BioMed Research International http://www.hindawi.com The latest articles from Hindawi Publishing Corporation © 2015 , Hindawi Publishing Corporation . All rights reserved. New Approaches, Findings, and Diagnostics in Medical and Surgical Retina Thu, 29 Jan 2015 10:21:07 +0000 http://www.hindawi.com/journals/bmri/2015/193561/ Jerzy Nawrocki, Ron Adelman, and Didier Ducournau Copyright © 2015 Jerzy Nawrocki et al. All rights reserved. Red Blood Cell Destruction in Autoimmune Hemolytic Anemia: Role of Complement and Potential New Targets for Therapy Thu, 29 Jan 2015 09:49:00 +0000 http://www.hindawi.com/journals/bmri/2015/363278/ Autoimmune hemolytic anemia (AIHA) is a collective term for several diseases characterized by autoantibody-initiated destruction of red blood cells (RBCs). Exact subclassification is essential. We provide a review of the respective types of AIHA with emphasis on mechanisms of RBC destruction, focusing in particular on complement involvement. Complement activation plays a definitive but limited role in warm-antibody AIHA (w-AIHA), whereas primary cold agglutinin disease (CAD), secondary cold agglutinin syndrome (CAS), and paroxysmal cold hemoglobinuria (PCH) are entirely complement-dependent disorders. The details of complement involvement differ among these subtypes. The theoretical background for therapeutic complement inhibition in selected patients is very strong in CAD, CAS, and PCH but more limited in w-AIHA. The optimal target complement component for inhibition is assumed to be important and highly dependent on the type of AIHA. Complement modulation is currently not an evidence-based therapy modality in any AIHA, but a number of experimental and preclinical studies are in progress and a few clinical observations have been reported. Clinical studies of new complement inhibitors are probably not far ahead. Sigbjørn Berentsen and Tatjana Sundic Copyright © 2015 Sigbjørn Berentsen and Tatjana Sundic. All rights reserved. Musculotendinous Stiffness of Triceps Surae, Maximal Rate of Force Development, and Vertical Jump Performance Thu, 29 Jan 2015 09:06:29 +0000 http://www.hindawi.com/journals/bmri/2015/797256/ The relationships between ankle plantar flexor musculotendinous stiffness (MTS) and performance in a countermovement vertical jump (CMJ) and maximal rate of torque development (MRTD) were studied in 27 active men. MTS was studied by means of quick releases at 20 (S0.2), 40 (S0.4), 60 (S0.6), and 80% (S0.8) of maximal voluntary torque (TMVC). CMJ was not correlated with strength indices but was positively correlated with MRTD/BM, S0.4/BM. The slope α2 and intercept β2 of the torque-stiffness relationships from 40 to 80% TMVC were correlated negatively (α2) and positively (β2) with CMJ. The different stiffness indices were not correlated with MRTD. The prediction of CMJ was improved by the introduction of MRTD in multiple regressions between CMJ and stiffness. CMJ was also negatively correlated with indices of curvature of the torque-stiffness relationship. The subjects were subdivided in 3 groups in function of CMJ (groups H, M, and L for high, medium, and low performers, resp.). There was a downward curvature of the torque-stiffness relationship at high torques in group H or M and the torque-stiffness regression was linear in group L only. These results suggested that torque-stiffness relationships with a plateau at high torques are more frequent in the best jumpers. Tarak Driss, Daniel Lambertz, Majdi Rouis, Hamdi Jaafar, and Henry Vandewalle Copyright © 2015 Tarak Driss et al. All rights reserved. Irrigated Tip Catheters for Radiofrequency Ablation in Ventricular Tachycardia Thu, 29 Jan 2015 09:04:45 +0000 http://www.hindawi.com/journals/bmri/2015/389294/ Radiofrequency (RF) ablation with irrigated tip catheters decreases the likelihood of thrombus and char formation and enables the creation of larger lesions. Due to the potential dramatic consequences, the prevention of thromboembolic events is of particular importance for left-sided procedures. Although acute success rates of ventricular tachycardia (VT) ablation are satisfactory, recurrence rate is high. Apart from the progress of the underlying disease, reconduction and the lack of effective transmural lesions play a major role for VT recurrences. This paper reviews principles of lesion formation with radiofrequency and the effect of tip irrigation as well as recent advances in new technology. Potential areas of further development of catheter technology might be the improvement of mapping by better substrate definition and resolution, the introduction of bipolar and multipolar ablation techniques into clinical routine, and the use of alternative sources of energy. Andreas Müssigbrodt, Matthias Grothoff, Borislav Dinov, Jedrzej Kosiuk, Sergio Richter, Philipp Sommer, Ole A. Breithardt, Sascha Rolf, Andreas Bollmann, Arash Arya, and Gerhard Hindricks Copyright © 2015 Andreas Müssigbrodt et al. All rights reserved. Circulating MicroRNAs as Clinical Biomarkers in the Predictions of Pregnancy Complications Thu, 29 Jan 2015 08:03:39 +0000 http://www.hindawi.com/journals/bmri/2015/294954/ Predicting pregnancy complications is a major topic for clinicians and biologists for maternal and fetal monitoring. Noninvasive biomarkers in maternal blood such as circulating microRNAs (miRNAs) are promising molecules to predict pregnancy disorders. miRNAs are noncoding short RNAs that regulate mRNA expression by repressing the translation or cleaving the transcript. miRNAs are released to the extracellular systemic circulation via exosomes. The discovery of plasma- or serum-derived miRNAs and of free-circulating exosomes that contain miRNAs provides useful information about the physiological or pathophysiological roles of the miRNAs. Specific placental miRNAs are present in maternal plasma in different ways depending on whether the pregnancy is normal or pathological or if there is no pregnancy. This paper focuses on placental miRNAs and extracellular miRNAs to the placenta whose misregulation could lead to pregnancy complications. Marthe Tsochandaridis, Laurent Nasca, Caroline Toga, and Annie Levy-Mozziconacci Copyright © 2015 Marthe Tsochandaridis et al. All rights reserved. An Expedient Synthesis, Acetylcholinesterase Inhibitory Activity, and Molecular Modeling Study of Highly Functionalized Hexahydro-1,6-naphthyridines Thu, 29 Jan 2015 07:33:10 +0000 http://www.hindawi.com/journals/bmri/2015/965987/ A series of hexahydro-1,6-naphthyridines were synthesized in good yields by the reaction of 3,5-bis[(E)-arylmethylidene]tetrahydro-4(1H)-pyridinones with cyanoacetamide in the presence of sodium ethoxide under simple mixing at ambient temperature for 6–10 minutes and were assayed for their acetylcholinesterase (AChE) inhibitory activity using colorimetric Ellman’s method. Compound 4e with methoxy substituent at ortho-position of the phenyl rings displayed the maximum inhibitory activity with IC50 value of 2.12 μM. Molecular modeling simulation of 4e was performed using three-dimensional structure of Torpedo californica AChE (TcAChE) enzyme to disclose binding interaction and orientation of this molecule into the active site gorge of the receptor. Abdulrahman I. Almansour, Raju Suresh Kumar, Natarajan Arumugam, Alireza Basiri, Yalda Kia, and Mohamed Ashraf Ali Copyright © 2015 Abdulrahman I. Almansour et al. All rights reserved. Relaxation Measurement of Ex-Vivo Breast Cancer Tissues at Ultralow Magnetic Fields Thu, 29 Jan 2015 07:27:11 +0000 http://www.hindawi.com/journals/bmri/2015/385428/ We investigated relaxations of ex-vivo cancer tissues at low magnetic fields in order to check the possibility of achieving a contrast higher than those obtained at high fields. The relaxations of fifteen pairs (normal and cancerous) of breast tissue samples were measured at three magnetic fields, 37, 62, and 122 μT, using our superconducting quantum interference device-based ultralow field nuclear magnetic resonance setup, optimally developed for ex-vivo tissue studies. A signal reconstruction based on Bayesian statistics for noise reduction was exploited to overcome the low signal-to-noise ratio. The ductal and lobular-type tissues did not exhibit meaningful contrast values between normal and cancerous tissues at the three different fields. On the other hand, an enhanced contrast was obtained for the mucinous cancer tissue. Seong-Joo Lee, Jeong Hyun Shim, Kiwoong Kim, Seong-min Hwang, Kwon Kyu Yu, Sanghyun Lim, Jae Ho Han, Hyunee Yim, Jang-Hee Kim, Yong Sik Jung, and Ku Sang Kim Copyright © 2015 Seong-Joo Lee et al. All rights reserved. Body Composition Indices and Predicted Cardiovascular Disease Risk Profile among Urban Dwellers in Malaysia Thu, 29 Jan 2015 07:15:35 +0000 http://www.hindawi.com/journals/bmri/2015/174821/ Objectives. This study aims to compare various body composition indices and their association with a predicted cardiovascular disease (CVD) risk profile in an urban population in Kuala Lumpur, Malaysia. Methods. A cross-sectional survey was conducted in metropolitan Kuala Lumpur, Malaysia, in 2012. Households were selected using a simple random-sampling method, and adult members were invited for medical screening. The Framingham Risk Scoring algorithm was used to predict CVD risk, which was then analyzed in association with body composition measurements, including waist circumference, waist-hip ratio, waist-height ratio, body fat percentage, and body mass index. Results. Altogether, 882 individuals were included in our analyses. Indices that included waist-related measurements had the strongest association with CVD risk in both genders. After adjusting for demographic and socioeconomic variables, waist-related measurements retained the strongest correlations with predicted CVD risk in males. However, body mass index, waist-height ratio, and waist circumference had the strongest correlation with CVD risk in females. Conclusions. The waist-related indicators of abdominal obesity are important components of CVD risk profiles. As waist-related parameters can quickly and easily be measured, they should be routinely obtained in primary care settings and population health screens in order to assess future CVD risk profiles and design appropriate interventions. Tin Tin Su, Mohammadreza Amiri, Farizah Mohd Hairi, Nithiah Thangiah, Maznah Dahlui, and Hazreen Abdul Majid Copyright © 2015 Tin Tin Su et al. All rights reserved. Strategy for the Management of Macular Edema in Retinal Vein Occlusion: The European VitreoRetinal Society Macular Edema Study Thu, 29 Jan 2015 07:12:54 +0000 http://www.hindawi.com/journals/bmri/2015/870987/ Objective. To compare the efficacy of different therapies in the treatment of macular edema associated with retinal vein occlusion (RVO). Design. This is a nonrandomized, multicenter collaborative study. Participants. 86 retina specialists from 29 countries provided clinical information, including choice of treatment and outcome, on 2,603 patients with macular edema including 738 cases of RVO. Methods. Reported data included the type and number of treatments performed, visual acuities, and other clinical and diagnostic findings. Main Outcome Measures. The mean increase in visual acuity and mean number of treatments performed. Results. 358 cases of central retinal vein occlusion (CRVO) and 380 cases of branch retinal vein occlusion (BRVO) were included in this investigation. Taking all RVO cases together, pars plana vitrectomy with internal limiting membrane (ILM) peeling alone resulted in an improvement in vision greater than other therapies. Those treated with intravitreal antivascular endothelial growth factor (anti-VEGF) injection alone showed the second greatest improvement in vision. Dexamethasone intravitreal implant alone and intravitreal triamcinolone alone both resulted in modest visual gains. Conclusions. In the treatment of macular edema in RVO, vitrectomy with ILM peeling may achieve visual improvement and may be a good option for certain cases. Anti-VEGF injection is the most effective of the nonsurgical treatments. Ron A. Adelman, Aaron J. Parnes, Silvia Bopp, Ihab Saad Othman, and Didier Ducournau Copyright © 2015 Ron A. Adelman et al. All rights reserved. Novel Insights on Nutrient Management of Sarcopenia in Elderly Thu, 29 Jan 2015 07:06:54 +0000 http://www.hindawi.com/journals/bmri/2015/524948/ Sarcopenia is defined as a syndrome characterized by progressive and generalized loss of muscle mass and strength. The more rationale approach to delay the progression of sarcopenia is based on the combination of proper nutrition, possibly associated with the use of dietary supplements and a regular exercise program. We performed a narrative literature review to evaluate the till-now evidence regarding (1) the metabolic and nutritional correlates of sarcopenia; (2) the optimum diet therapy for the treatment of these abnormalities. This review included 67 eligible studies. In addition to the well recognized link between adequate intake of proteins/amino acids and sarcopenia, the recent literature underlines that in sarcopenic elderly subjects there is an unbalance in vitamin D synthesis and in omega-6/omega-3 PUFA ratio. Given the detrimental effect of these metabolic abnormalities, a change in the lifestyle must be the cornerstone in the treatment of sarcopenia. The optimum diet therapy for the sarcopenia treatment must aim at achieving specific metabolic goals, which must be reached through accession of the elderly to specific personalized dietary program aimed at achieving and/or maintaining muscle mass; increasing their intake of fish (4 times/week) or taking omega-3 PUFA supplements; taking vitamin D supplementation, if there are low serum levels. Mariangela Rondanelli, Milena Faliva, Francesca Monteferrario, Gabriella Peroni, Erica Repaci, Francesca Allieri, and Simone Perna Copyright © 2015 Mariangela Rondanelli et al. All rights reserved. Angiogenesis in the Placenta: The Role of Reactive Oxygen Species Signaling Thu, 29 Jan 2015 07:04:05 +0000 http://www.hindawi.com/journals/bmri/2015/814543/ Proper placental development and function are central to the health of both the mother and the fetus during pregnancy. A critical component of healthy placental function is the proper development of its vascular network. Poor vascularization of the placenta can lead to fetal growth restriction, preeclampsia, and in some cases fetal death. Therefore, understanding the mechanisms by which uterine stressors influence the development of the placental vasculature and contribute to placental dysfunction is of central importance to ensuring a healthy pregnancy. In this review we discuss how oxidative stress observed in maternal smoking, maternal obesity, and preeclampsia has been associated with aberrant angiogenesis and placental dysfunction resulting in adverse pregnancy outcomes. We also highlight that oxidative stress can influence the expression of a number of transcription factors important in mediating angiogenesis. Therefore, understanding how oxidative stress affects redox-sensitive transcription factors within the placenta may elucidate potential therapeutic targets for correcting abnormal placental angiogenesis and function. Robyn D. Pereira, Nicole E. De Long, Ruijun C. Wang, Fereshteh T. Yazdi, Alison C. Holloway, and Sandeep Raha Copyright © 2015 Robyn D. Pereira et al. All rights reserved. Transcriptional and Biochemical Effects of Cadmium and Manganese on the Defense System of Octopus vulgaris Paralarvae Thu, 29 Jan 2015 06:59:50 +0000 http://www.hindawi.com/journals/bmri/2015/437328/ Due to anthropogenic activities the relative concentrations of cadmium and manganese have increased in the marine environment. Cephalopods are able to accumulate such metals and, as inhabitant of coastal waters, Octopus vulgaris is continuously exposed to anthropogenic activities. Since no study is available on the effects of heavy metals at molecular level in developing octopuses, herein we exposed 1-day-old paralarvae for 24 h to 10, 100, and 1000 μg/L of CdCl2 or MnCl2. Cd exerted a concentration-dependent inhibition of survival and a reduction in growth rate was shown while Mn exposure did not affect the survival rate even at the highest concentrations. Gene expression profiles of hsp70, sod, cat, and gst genes were analyzed by quantitative real-time PCR and defined patterns of transcription were observed. Moreover posttranscriptional analyses were also performed suggesting the impairment of metabolic functions, under strong oxidative conditions (as occurred in paralarvae exposed to Cd) or the complete detoxification events (as occurred in paralarvae exposed to Mn). Aldo Nicosia, Monica Salamone, Salvatore Mazzola, and Angela Cuttitta Copyright © 2015 Aldo Nicosia et al. All rights reserved. Conformational B-Cell Epitope Prediction Method Based on Antigen Preprocessing and Mimotopes Analysis Thu, 29 Jan 2015 06:48:20 +0000 http://www.hindawi.com/journals/bmri/2015/257030/ Identification of epitopes which invokes strong humoral responses is an essential issue in the field of immunology. Various computational methods that have been developed based on the antigen structures and the mimotopes these years narrow the search for experimental validation. These methods can be divided into two categories: antigen structure-based methods and mimotope-based methods. Though new methods of the two kinds have been proposed in these years, they cannot maintain a high degree of satisfaction in various circumstances. In this paper, we proposed a new conformational B-cell epitope prediction method based on antigen preprocessing and mimotopes analysis. The method classifies the antigen surface residues into “epitopes” and “nonepitopes” by six epitope propensity scales, removing the “nonepitopes” and using the preprocessed antigen for epitope prediction based on mimotope sequences. The proposed method gives out the mean F score of 0.42 on the testing dataset. When compared with other publicly available servers by using the testing dataset, the new method yields better performance. The results demonstrate the proposed method is competent for the conformational B-cell epitope prediction. Pingping Sun, Haixu Ju, Baowen Zhang, Yu Gu, Bo Liu, Yanxin Huang, Huijie Zhang, and Yuxin Li Copyright © 2015 Pingping Sun et al. All rights reserved. Insufflation with Humidified and Heated Carbon Dioxide in Short-Term Laparoscopy: A Double-Blinded Randomized Controlled Trial Wed, 28 Jan 2015 15:36:35 +0000 http://www.hindawi.com/journals/bmri/2015/412618/ Background. We tested the hypothesis that warm-humidified carbon dioxide (CO2) insufflation would reduce postoperative pain and morphine requirement compared to cold-dry CO2 insufflation. Methods. A double-blinded, randomized, controlled trial was conducted to compare warm, humidified CO2 and cold-dry CO2. Patients with benign uterine diseases were randomized to either treatment () or control () group during laparoscopically assisted vaginal hysterectomy. Primary endpoints of the study were rest pain, movement pain, shoulder-tip pain, and cough pain at 2, 4, 6, 24, and 48 hours postoperatively, measured by visual analogue scale. Secondary outcomes were morphine consumption, rejected boli, temperature change, recovery room stay, and length of hospital stay. Results. There were no significant differences in all baseline characteristics. Shoulder-tip pain at 6 h postoperatively was significantly reduced in the intervention group. Pain at rest, movement pain, and cough pain did not differ. Total morphine consumption and rejected boli at 24 h postoperatively were significantly higher in the control group. Temperature change, recovery room stay, and length of hospital were similar. Conclusions. Warm, humidified insufflation gas significantly reduces postoperative shoulder-tip pain as well as morphine demand. This trial is registered with Clinical Trial Registration Number  DRKS00003853 (German Clinical Trials Register (DRKS)). Anja Herrmann and Rudy Leon De Wilde Copyright © 2015 Anja Herrmann and Rudy Leon De Wilde. All rights reserved. Helicase and Its Interacting Factors: Regulation Mechanism, Characterization, Structure, and Application for Drug Design Wed, 28 Jan 2015 14:39:55 +0000 http://www.hindawi.com/journals/bmri/2015/909047/ Cheng-Yang Huang, Yoshito Abe, Huangen Ding, and I-Fang Chung Copyright © 2015 Cheng-Yang Huang et al. All rights reserved. Clearance Rate and BP-ANN Model in Paraquat Poisoned Patients Treated with Hemoperfusion Wed, 28 Jan 2015 14:37:53 +0000 http://www.hindawi.com/journals/bmri/2015/298253/ In order to investigate the effect of hemoperfusion (HP) on the clearance rate of paraquat (PQ) and develop a clearance model, 41 PQ-poisoned patients who acquired acute PQ intoxication received HP treatment. PQ concentrations were determined by high performance liquid chromatography (HPLC). According to initial PQ concentration, study subjects were divided into two groups: Low-PQ group (0.05–1.0 μg/mL) and High-PQ group (1.0–10 μg/mL). After initial HP treatment, PQ concentrations decreased in both groups. However, in the High-PQ group, PQ levels remained in excess of 0.05 μg/mL and increased when the second HP treatment was initiated. Based on the PQ concentrations before and after HP treatment, the mean clearance rate of PQ calculated was 73 ± 15%. We also established a backpropagation artificial neural network (BP-ANN) model, which set PQ concentrations before HP treatment as input data and after HP treatment as output data. When it is used to predict PQ concentration after HP treatment, high prediction accuracy () can be obtained in this model. In conclusion, HP is an effective way to clear PQ from the blood, and the PQ concentration after HP treatment can be predicted by BP-ANN model. Lufeng Hu, Guangliang Hong, Jianshe Ma, Xianqin Wang, Guanyang Lin, Xiuhua Zhang, and Zhongqiu Lu Copyright © 2015 Lufeng Hu et al. All rights reserved. Strategy for the Management of Diabetic Macular Edema: The European Vitreo-Retinal Society Macular Edema Study Wed, 28 Jan 2015 14:17:07 +0000 http://www.hindawi.com/journals/bmri/2015/352487/ Objective. To compare the efficacy of different therapies in the treatment of diabetic macular edema (DME). Design. Nonrandomized, multicenter clinical study. Participants. 86 retina specialists from 29 countries provided clinical information on 2,603 patients with macular edema including 870 patients with DME. Methods. Reported data included the type and number of treatment(s) performed, the pre- and posttreatment visual acuities, and other clinical findings. The results were analyzed by the French INSEE (National Institute of Statistics and Economic Studies). Main Outcome Measures. Mean change of visual acuity and mean number of treatments performed. Results. The change in visual acuity over time in response to each treatment was plotted in second order polynomial regression trend lines. Intravitreal triamcinolone monotherapy resulted in some improvement in vision. Treatment with threshold or subthreshold grid laser also resulted in minimal vision gain. Anti-VEGF therapy resulted in more significant visual improvement. Treatment with pars plana vitrectomy and internal limiting membrane (ILM) peeling alone resulted in an improvement in vision greater than that observed with anti-VEGF injection alone. In our DME study, treatment with vitrectomy and ILM peeling alone resulted in the better visual improvement compared to other therapies. Ron Adelman, Aaron Parnes, Zofia Michalewska, Barbara Parolini, Claude Boscher, and Didier Ducournau Copyright © 2015 Ron Adelman et al. All rights reserved. Insight into Bone-Derived Biological Apatite: Ultrastructure and Effect of Thermal Treatment Wed, 28 Jan 2015 14:07:01 +0000 http://www.hindawi.com/journals/bmri/2015/601025/ Objectives. This study aims at examining the ultrastructure of bone-derived biological apatite (BAp) from a series of small vertebrates and the effect of thermal treatment on its physiochemical properties. Materials and Methods. Femurs/fin rays and vertebral bodies of 5 kinds of small vertebrates were firstly analyzed with X-ray microtomography. Subsequently, BAp was obtained with thermal treatment and low power plasma ashing, respectively. The properties of BAp, including morphology, functional groups, and crystal characteristics were then analyzed. Results. The bones of grouper and hairtail were mainly composed of condensed bone. Spongy bone showed different distribution in the bones from frog, rat, and pigeon. No significant difference was found in bone mineral density of condensed bone and trabecular thickness of spongy bone. Only platelet-like crystals were observed for BAp obtained by plasma ashing, while rod-like and irregular crystals were both harvested from the bones treated by sintering. A much higher degree of crystallinity and larger crystal size but a lower content of carbonate were detected in the latter. Conclusion. Platelet-like BAp is the common inorganic component of vertebrate bones. BAp distributing in condensed and spongy bone may exhibit differing thermal reactivity. Thermal treatment may alter BAp’s in vivo structure and composition. Quan Liu, Haobo Pan, Zhuofan Chen, and Jukka Pekka Matinlinna Copyright © 2015 Quan Liu et al. All rights reserved. Frequency of Migraine as a Chief Complaint in Otolaryngology Outpatient Practice Wed, 28 Jan 2015 14:03:49 +0000 http://www.hindawi.com/journals/bmri/2015/173165/ Objective. To identify the frequency of typical (headache and dizziness) and common atypical (ear fullness, pressure, pain, tinnitus, facial fullness, and nasal congestion) migraine symptoms as chief complaints among patients presenting to otolaryngology clinic. Methods. This is a descriptive study of prospectively collected data from a general otolaryngology practice. Typical migraine presentations were diagnosed by applying international headache society (IHS) criteria for migraine headache and Neuhauser’s criteria for migrainous vertigo. Atypical otologic and rhinologic migraine symptoms were diagnosed using individualized criteria. Charts were reviewed at 6-month interval from the first presentation. Results. Out of 1002 consecutive patients, 10.8% presented with “migrainous chief complaint.” All migrainous chief complaint patients had a history of headache but not all of them presented with headache. Corrected female to male ratio in the migraine group was 3 to 1; age distributions were significantly different between the migraine and nonmigraine groups by applying -test. Out of the atypical complaints, 86% of the patients had a history of concomitant typical presentation. Conclusion. Actual diagnostic criteria for migraine do not satisfy the diversity of its presentation. Investigating the history of migraine is enough to diagnose most atypical presentations. Sound knowledge about migraine seems essential for any ENT practitioner. Omar Sabra, Maria Muhammad Ali, Maha Al Zayer, and Saleh Altuwaijri Copyright © 2015 Omar Sabra et al. All rights reserved. Modeling the Responses to Resistance Training in an Animal Experiment Study Wed, 28 Jan 2015 14:03:17 +0000 http://www.hindawi.com/journals/bmri/2015/914860/ The aim of the present study was to test whether systems models of training effects on performance in athletes can be used to explore the responses to resistance training in rats. 11 Wistar Han rats (277 ± 15 g) underwent 4 weeks of resistance training consisting in climbing a ladder with progressive loads. Training amount and performance were computed from total work and mean power during each training session. Three systems models relating performance to cumulated training bouts have been tested: (i) with a single component for adaptation to training, (ii) with two components to distinguish the adaptation and fatigue produced by exercise bouts, and (iii) with an additional component to account for training-related changes in exercise-induced fatigue. Model parameters were fitted using a mixed-effects modeling approach. The model with two components was found to be the most suitable to analyze the training responses (; ). In conclusion, the accuracy in quantifying training loads and performance in a rodent experiment makes it possible to model the responses to resistance training. This modeling in rodents could be used in future studies in combination with biological tools for enhancing our understanding of the adaptive processes that occur during physical training. Antony G. Philippe, Guillaume Py, François B. Favier, Anthony M. J. Sanchez, Anne Bonnieu, Thierry Busso, and Robin Candau Copyright © 2015 Antony G. Philippe et al. All rights reserved. New Insights into Malignant B-Cell Disorders Wed, 28 Jan 2015 13:56:56 +0000 http://www.hindawi.com/journals/bmri/2015/128084/ Marie-Christine Kyrtsonis, Kazuyuki Shimizu, Panayiotis Panayiotidis, and Gerassimos A. Pangalis Copyright © 2015 Marie-Christine Kyrtsonis et al. All rights reserved. Health Safety of Soft Drinks: Contents, Containers, and Microorganisms Wed, 28 Jan 2015 13:51:37 +0000 http://www.hindawi.com/journals/bmri/2015/128697/ Soft drinks consumption is still a controversial issue for public health and public policy. Over the years, numerous studies have been conducted into the possible links between soft drink intake and medical problems, the results of which, however, remain highly contested. Nevertheless, as a result, increasing emphasis is being placed on the health properties of soft drinks, by both the industry and the consumers, for example, in the expanding area of functional drinks. Extensive legislation has been put in place to ensure that soft drinks manufacturers conform to established national and international standards. Consumers trust that the soft drinks they buy are safe and their quality is guaranteed. They also expect to be provided with information that can help them to make informed decisions about the purchase of products and that the information on product labels is not false or misleading. This paper provides a broad overview of available scientific knowledge and cites numerous studies on various aspects of soft drinks and their implications for health safety. Particular attention is given to ingredients, including artificial flavorings, colorings, and preservatives and to the lesser known risks of microbiological and chemical contamination during processing and storage. Dorota Kregiel Copyright © 2015 Dorota Kregiel. All rights reserved. The Oncofetal Protein IMP3: A Novel Grading Tool and Predictor of Poor Clinical Outcome in Human Gliomas Wed, 28 Jan 2015 13:06:58 +0000 http://www.hindawi.com/journals/bmri/2015/413897/ Morphologic criteria illustrated in WHO guidelines are the most significant prognostic factor in human gliomas, but novel biomarkers are needed to identify patients with a poorer outcome. The present study examined the expression of the oncofetal protein IMP3 in a series of 135 patients affected by high-grade (grade III and IV) gliomas, correlating the results with proliferative activity, molecular parameters, and clinical and follow-up data. Overall, IMP3 expression was higher in glioblastomas (68%) than in grade III tumors (20%, ), and IMP3-positive high-grade gliomas showed a shorter overall and disease-free survival than negative ones ( and , resp.). IMP3 expression was significantly associated with the absence of mutations of IDH1 gene () and with the unmethylated phenotype of MGMT in high-grade gliomas (). High Ki67 levels were correlated with better prognosis in glioblastomas but IMP3 expression was not correlated with the proliferation index. These findings confirm the role of IMP3 as a marker of poor outcome, also in consideration of its association with IDH1 wild-type phenotype and MGMT unmethylated status. The data suggest that IMP3 staining could identify a subgroup of patients with poor prognosis and at risk of recurrence in high-grade gliomas. Alessandro Del Gobbo, Valentina Vaira, Lucia Ferrari, Carlo Patriarca, Andrea Di Cristofori, Dario Ricca, Manuela Caroli, Paolo Rampini, Silvano Bosari, and Stefano Ferrero Copyright © 2015 Alessandro Del Gobbo et al. All rights reserved. Large-Vessel Vasculitis: Interobserver Agreement and Diagnostic Accuracy of 18F-FDG-PET/CT Wed, 28 Jan 2015 12:54:54 +0000 http://www.hindawi.com/journals/bmri/2015/914692/ Introduction. 18F-FDG-PET visualises inflammation. Both atherosclerosis and giant cell arteritis cause vascular inflammation, but distinguishing the two may be difficult. The goal of this study was to assess interobserver agreement and diagnostic accuracy of 18F-FDG-PET for the detection of large artery involvement in giant cell arteritis (GCA). Methods. 31 18F-FDG-PET/CT scans were selected from 2 databases. Four observers assessed vascular wall 18F-FDG uptake, initially without and subsequently with predefined observer criteria (i.e., vascular wall 18F-FDG uptake compared to liver or femoral artery 18F-FDG uptake). External validation was performed by two additional observers. Sensitivity and specificity of 18F-FDG-PET were determined by comparing scan results to a consensus diagnosis. Results. The highest interobserver agreement (kappa: 0.96 in initial study and 0.79 in external validation) was observed when vascular wall 18F-FDG uptake higher than liver uptake was used as a diagnostic criterion, although agreement was also good without predefined criteria (kappa: 0.68 and 0.85). Sensitivity and specificity were comparable for these methods. The criterion of vascular wall 18F-FDG uptake equal to liver 18F-FDG uptake had low specificity. Conclusion. Standardization of image assessment for vascular wall 18F-FDG uptake promotes observer agreement, enables comparative studies, and does not appear to result in loss of diagnostic accuracy compared to nonstandardized assessment. K. D. F. Lensen, E. F. I. Comans, A. E. Voskuyl, C. J. van der Laken, E. Brouwer, A. T. Zwijnenburg, L. M. Pereira Arias-Bouda, A. W. J. M. Glaudemans, R. H. J. A. Slart, and Y. M. Smulders Copyright © 2015 K. D. F. Lensen et al. All rights reserved. Anti-EGFR Antibody Reduces Lung Nodules by Inhibition of EGFR-Pathway in a Model of Lymphangioleiomyomatosis Wed, 28 Jan 2015 12:36:53 +0000 http://www.hindawi.com/journals/bmri/2015/315240/ EGFR belongs to the HER/ErbB family of tyrosine kinase receptors and its activation in cancer cells has been linked with increased proliferation, angiogenesis, and metastasis. Lymphangioleiomyomatosis (LAM) is a rare, low-grade neoplasm that occurs sporadically or in association with tuberous sclerosis complex (TSC), a genetic, multisystem disorder characterized by hamartomas in several organs. From chylous of a LAM/TSC patient, we previously isolated smooth muscle-like LAM/TSC cells whose proliferation depends on EGF and monoclonal anti-EGFR antibodies reduced proliferation and caused cell death. We demonstrated that the dependency from EGF was caused by the absence of tuberin. To study the role of EGFR pathway in vivo, we developed a mouse model by administration of LAM/TSC cells to female nude mice. LAM/TSC cells caused pulmonary airspace enlargement and, after 30 weeks, nodule formation which express EGFR. Anti-EGFR antibody decreased the number and dimension of lung nodules likely for the inhibition of Erk and S6 signaling, reversed the pulmonary alterations, and reduced lymphatic and blood vessels. Moreover, in pulmonary nodules anti-EGFR antibody reduced the positivity to estrogen and progesterone receptors which enhance survival of LAM cells and Snail expression. These results suggest that the inhibition of EGFR signalling has a potential in treatment of LAM/TSC lung alterations. Elena Lesma, Eloisa Chiaramonte, Silvia Ancona, Emanuela Orpianesi, Anna Maria Di Giulio, and Alfredo Gorio Copyright © 2015 Elena Lesma et al. All rights reserved. Proposal for a New Noncontact Method for Measuring Tongue Moisture to Assist in Tongue Diagnosis and Development of the Tongue Image Analyzing System, Which Can Separately Record the Gloss Components of the Tongue Wed, 28 Jan 2015 12:35:07 +0000 http://www.hindawi.com/journals/bmri/2015/249609/ Tongue diagnosis is a noninvasive diagnosis and is traditionally one of the most important tools for physicians who practice Kampo (traditional Japanese) medicine. However, it is a subjective process, and its results can depend on the experience of the physician performing it. Previous studies have reported how to measure and evaluate the shape and color of the tongue objectively. Therefore, this study focused on the glossy component in order to quantify tongue moisture in tongue diagnosis. We hypothesized that moisture appears as a gloss in captured images and measured the amount of water on the tongue surface in 13 subjects. The results showed a high correlation between the degree of gloss and the amount of water on the tongue surface and suggested that the moisture on the tongue can be estimated by the degree of gloss in a captured image. Because the moisture level on the tongue changes during the course of taking photos, it became clear that we had to wait at least 3 minutes between photos. Based on these results, we established the tongue image analyzing system (TIAS), which can consistently record the gloss and color of the tongue surface simultaneously. Toshiya Nakaguchi, Kanako Takeda, Yuya Ishikawa, Takeshi Oji, Satoshi Yamamoto, Norimichi Tsumura, Keigo Ueda, Koichi Nagamine, Takao Namiki, and Yoichi Miyake Copyright © 2015 Toshiya Nakaguchi et al. All rights reserved. The Role of Fundus Autofluorescence Imaging in the Study of the Course of Posterior Uveitis Disorders Wed, 28 Jan 2015 12:32:54 +0000 http://www.hindawi.com/journals/bmri/2015/247469/ Background. To evaluate the correlation of fundus autofluorescence (FAF) with indocyanine green angiography (ICGA) in patients with various posterior uveitis disorders. Methods. Interventional case series including 23 eyes of 15 patients with diagnosis of a specific type of retinochoroiditis, such as acute posterior multifocal placoid pigment epitheliopathy (APMPPE), serpiginous-like choroiditis, multifocal choroiditis (MFC), Harada disease, and syphilitic retinochoroiditis. Also, some cases with undefined retinochoroiditis were included. FAF and ICGA were performed and correlated at baseline and during follow-up after treatment. Results. In ICGA, early hypofluorescence was found to be the hallmark of acute choroidal inflammation, resolving in later stages and remaining in the late phase in areas with retinal pigment epithelium (RPE) damage. Poorly defined hyperautofluorescent areas correlated with acute choroidal lesions. Hypoautofluorescent delineation suggested the initiation of RPE healing processes, correlating well with the late phase of ICGA and delineating the RPE damage. Early hyperautofluorescence with late hypofluorescence in ICGA indicated the presence of primary RPE involvement. Conclusion. FAF contributes to the interpretation of RPE disease and may be a useful tool for the follow-up of progressive inflammatory disorders. Comparative evaluation of FAF and ICGA allows a characterization of the sequence of inflammatory events and the level of tissue affected. Panagiotis Malamos, Panos Masaoutis, Ilias Georgalas, Stelios Maselos, Konstantinos Andrianopoulos, Chryssanthi Koutsandrea, and Nikos N. Markomichelakis Copyright © 2015 Panagiotis Malamos et al. All rights reserved. Is Infusion of Subhypnotic Propofol as Effective as Dexamethasone in Prevention of Postoperative Nausea and Vomiting Related to Laparoscopic Cholecystectomy? A Randomized Controlled Trial Wed, 28 Jan 2015 12:18:40 +0000 http://www.hindawi.com/journals/bmri/2015/349806/ Background. Postoperative nausea and vomiting (PONV) is one of common complications in patients undergoing laparoscopic cholecystectomy (LC). Aim of this study was to compare the efficacy of subhypnotic (1 mg/kg/h) infusion of propofol with dexamethasone on PONV in patients undergoing LC. Methods. A total of 120 patients were included in this randomized, double-blind, placebo-controlled study. Patients were randomly assigned to 3 groups; patients of group dexamethasone (group D) were administrated 8 mg dexamethasone before induction of anesthesia, patients of group propofol (group P) were infused to subhypnotic (1 mg/kg/h) propofol during operation and patients of group control (group C) were applied infusion of 10% intralipid. The incidence of PONV and needs for rescue analgesic and antiemetic were recorded in the first 24 h postoperatively. Results. In the 0–24 h, the incidence of PONV was significantly lower in the group D and group P compared with the group C (37.5%, 40%, and 72.5%, resp.). There was no significant difference in the incidence of PONV and use of antiemetics and analgesic between group D and group P. Conclusion. We concluded that infusion of propofol 1 mg/kg/h is as effective as dexamethasone for the prevention of PONV during the first 24 hours after anesthesia in patients undergoing LC. Mine Celik, Aysenur Dostbil, Mehmet Aksoy, Ilker Ince, Ali Ahiskalioglu, Mehmet Comez, and Ali Fuat Erdem Copyright © 2015 Mine Celik et al. All rights reserved. CT Perfusion: Technical Developments and Current and Future Applications Wed, 28 Jan 2015 11:56:04 +0000 http://www.hindawi.com/journals/bmri/2015/397521/ Maria Antonietta Mazzei, Lorenzo Preda, Alessandro Cianfoni, and Luca Volterrani Copyright © 2015 Maria Antonietta Mazzei et al. All rights reserved. Key Proteins of Activating Cell Death Can Be Predicted through a Kainic Acid-Induced Excitotoxic Stress Wed, 28 Jan 2015 11:45:07 +0000 http://www.hindawi.com/journals/bmri/2015/478975/ Epilepsy is a major neurological disorder characterized by spontaneous seizures accompanied by neurophysiological changes. Repeated seizures can damage the brain as neuronal death occurs. A better understanding of the mechanisms of brain cell death could facilitate the discovery of novel treatments for neurological disorders such as epilepsy. In this study, a model of kainic acid- (KA-) induced neuronal death was established to investigate the early protein markers associated with apoptotic cell death due to excitotoxic damage in the rat cortex. The results indicated that KA induces both apoptotic and necrotic cell death in the cortex. Incubation with high concentrations (5 and 500 μM, >75%) and low concentrations (0.5 pM: 95% and 50 nM: 8%) of KA for 180 min led to necrotic and apoptotic cell death, respectively. Moreover, proteomic analysis using two-dimensional gel electrophoresis and mass spectrometry demonstrated that antiapoptotic proteins, including heat shock protein 70, 3-mercaptopyruvate sulfurtransferase, tubulin-B-5, and pyruvate dehydrogenase E1 component subunit beta, were significantly higher in apoptosis than in necrosis induced by KA. Our findings provide direct evidence that several proteins are associated with apoptotic and necrotic cell death in excitotoxicity model. The results indicate that these proteins can be apoptotic biomarkers from the early stages of cell death. Hsiu-Ling Tsai and Sue-Joan Chang Copyright © 2015 Hsiu-Ling Tsai and Sue-Joan Chang. All rights reserved.