Research Article

Effects of Vitamin D Restricted Diet Administered during Perinatal and Postnatal Periods on the Penis of Wistar Rats

Table 2

Parameters from offspring at 4 months of age.

Parameters SC/SC VitD/VitD

Food intake (g/animal/dia)19.09 ± 3.98 18.91 ± 4.18ns
Energy intake (kJ/animal/dia) 309.80 ± 62.46 306.30 ± 64.69ns
Systolic blood pressure (mmHg) 164.00 ± 11.11 189.10 ± 8.08<0.0001
Glucose (mmol/L) 6.04 ± 2.08 11.26 ± 4.150.0096
Insulin (µUI/L)21.50 ± 8.75 33.76 ± 3.520.0072
25 OHD3 (ng/ml)73.71 ± 8.86 28.74 ± 0.20<0.0001

Penile parametersSC/SCVitD/VitD

Morphometry
 A (mm2) 6.51 ± 1.35 6.15 ± 1.020.0083
 CC with TA (mm2) 4.51 ± 0.95 4.19 ± 0.690.0007
 CC without TA (mm2) 2.17 ± 0.54 2.05 ± 0.320.0133
 TA (mm2) 2.34 ± 0.45 2.13 ± 0.450.0001
 CE (mm2) 0.97 ± 0.12 1.02 ± 0.130.0015
Percentage in corpus cavernosum
 Connective tissue (%)62.58 ± 13.8168.54 ± 12.31<0.0001
 Smooth muscle (%) 8.55 ± 3.4910.70 ± 3.70<0.0001
 Sinusoidal space (%)22.24 ± 16.5717.45 ± 8.330.0002
 Elastic fibers (%) 5.09 ± 1.72 4.33 ± 1.930.0009
 PCNA (cells/mm2)0.0161
Percentage in corpus spongiosum
 Connective tissue (%)59.04 ± 15.4068.62 ± 14.79<0.0001
 Smooth muscle (%) 4.85 ± 2.61 5.87 ± 3.300.0074
 Elastic fibers (%)19.40 ± 9.4219.73 ± 8.10ns
 Elastic fibers in tunica albuginea (%)24.59 ± 6.7921.00 ± 6.48<0.0001

Data are presented as mean ± standard deviation and the differences were tested with an unpaired test (). A, penile cross sectional area; CC with TA, corpus cavernosum area with tunica albuginea; CC without TA, corpus cavernosum area without tunica albuginea; TA, tunica albuginea; CE, corpus spongiosum; PCNA, proliferating cell nuclear antigen; ns, not significant.