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Articles by M. DasGupta
Total Records ( 1 ) for M. DasGupta
  R. Bandyopadhyay , N. Chakraborty , M. DasGupta and S. Chakraborty
  In the present investigation, influence of castration and castrated animals supplemented with steroid hormones and antihormones on pineal-adrenal karyomorphology and dynamics were studied in post pubertal male mice. A group of thirty five mice were orchidectomized and (N = 7) sham operated, were kept in laboratory condition for 30 days. Such castrated were separately supplemented with estradiol at a dose of 5 μg, testosterone at a dose of 100 μg and antihormones, tamoxifen at a dose of 500 μg and flutamide at 2 μg daily (all at doses per 100 g.b.w.) for ten consecutive days following thirty days of post castration. Present data reveal that both pineal and adrenal gland nuclear size and cell proliferation were significantly increased in thirty days post orchidectomized mice compared to control animals. The values are control pinealocyte nuclear diameter (dim): 4.75±0.06; castrated pinealocyte nuclear diameter (μm): 5.34±0.04 (p<0.001). Control pineal M% 1.25±0.07; castrated pineal M% 2.02±0.11 (p<0.001). In control adrenal, representative of zones was Z. fasciculata nuclear diameter (μm) (5.11±0.04); castrated Z. fasciculata nuclear diameter (μm) 5.41±0.03 (p<0.001). Control adrenal M% (1.03±0.06) castrated adrenal M% (1.63±0.09) p<0.001. It was further observed that such pineal and adrenal stimulation in orchidectomized mice were significantly decreased when orchidectomized mice were administered with steroid hormones (estradiol and testosterone) and antihormones (tamoxifen and flutamide) compared to orchidectomized mice. Our study indicates that there exists a mutual stimulatory relationship between pineal and adrenal under conditions of steroid deprivation. However, exogenous administration of steroid hormones and antihormones to those castrated mice caused inhibition of these two peripheral endocrine glands.
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