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International Journal of Genomics
Volume 2017, Article ID 9769171, 7 pages
https://doi.org/10.1155/2017/9769171
Research Article

Tissue- and Cell Type-Specific Expression of the Long Noncoding RNA Klhl14-AS in Mouse

1Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, Via S. Pansini 5, 80131 Napoli, Italy
2Department of Internal Medicine, Botucatu School of Medicine, University of São Paulo State, Sao Paulo, SP, Brazil
3Department of Medical Biochemistry and Cell Biology, Institute of Biomedicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
4Dipartimento di Sanità Pubblica, Università degli Studi di Napoli Federico II, Via S. Pansini 5, 80131 Napoli, Italy
5Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Villa Comunale 1, 80121 Napoli, Italy

Correspondence should be addressed to Gabriella De Vita; ti.aninu@ativedg

Received 25 May 2017; Accepted 10 August 2017; Published 10 September 2017

Academic Editor: Michele Purrello

Copyright © 2017 Sara Carmela Credendino et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

The information of supplementary materials are as follows: Figure S1. (A) NCBI representation of mouse (upper panel) and human Klhl14-AS locus (lower panel) . Mouse Klhl14-AS shows two different transcripts, whereas a single transcript is reported for the human gene. The releases for the mouse and human genome are 106, 2016-06-22 and 108,2016-06-07 respectively. (B) UCSC data base reports one transcript both for mouse (upper panel) and human (lower panel) Klhl14-AS. The data refer to the versions GRCm38 /m10 and GRCh38 /hg38 for mouse and human genomes respectively. Figure S2. Amplification of Klhl14-AS predicted isoforms. (1) Four different primers were used. One forward primer was designed on the most upstream reported CAGE site (red arrow), while the other was designed on the alternative reported transcription start site (green arrow). The reverse primers were designed on the two predicted 3′ ends (blue and pink arrows) of the reported transcripts. (2) Scheme of the different combinations of oligos used to amplify Klhl14-AS isoforms. (3) PCR results: three different bands were obtained with the oligo set B, while the amplifications with sets A and C did not give any products. Primers sequence are reported in table S1. Table S1. Sequences of the primers reported in Figure S2. Most upstream 5′ (CAGE I, red arrow in figure S2), inner 5′ end (INNER 5′, green arrow in figure S2), upstream 3′ (UPSTREAM 3′, blue arrow in figure S2), most downstream 3′ reported end (DOWNSTREAM 3′, pink arrow in figure S2). Figure S3. Two different oligo sets were used to map thyroid Klhl14-AS transcripts. The two oligo sets differ mainly for the forward oligo used: for oligo set 1 (red arrows) the forward primer was designed starting from one of the CAGE sites reported in UCSC, while for oligo set 2 (blue arrows) the forward primer was designed starting from the 5′ end identified by RACE. Reverse primers instead were both designed starting from the most 3′ sequence identified by RACE, by slightly shifting the sequence to optimize melting temperature and amplification efficiency. Figure S4. Klhl14-AS sense probe were used as negative control. In situ hybridization performed on paraffin-embedded sections with a sense probe for Klhl14-AS. 200X magnification of thyroid and 25X magnification of brain sections are shown. Both images are reduced by 25% compared to the original ones. Figure S5. Human Klhl14-AS expression pattern partially overlaps with the mouse one. UCSC annotated Bioinformatic analysis from Gtex RNA-seq data shows that human Klhl14-AS is expressed in fallopian tube, kidney cortex, spleen, testis and thyroid (bit.ly /klhl14-as).

  1. Supplementary Material