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Biomedical subjects

S C Kundu

Publications and source records attributed to S C Kundu.

At least 19 recordsLinked to original sources

Gemfibrozil in dyslipidaemia.

A new lipid regulating agent, Gemfibrozil was evaluated in different types of dyslipidaemias. Out of a total of 34 patients, all completed 12 weeks' treatment and 26 completed 24 weeks' of treatment. A significant reduction in total cholesterol, LDL-c triglyceride and apo-B and an increase in HDL cholesterol and its apoprotein--apo-A were observed. The patients belonged to hyperlipidaemias--types IIa, IIb, and IV. Patients' compliance was good and side effects were minimal.

Adult

Sequential analysis of synaptonemal complexes in the repopulating spermatocytes of Rattus norvegicus after restricting the germ cell population to spermatogonia by gossypol treatment.

Synaptonemal complexes of the repopulating spermatocytes of male rats were analyzed day by day using silver-stained surface spread nuclei between 8 and 25 days after restricting the germ cell population to spermatogonia by treatment of gossypol acetic acid at 30 mg/kg body weight/day for 70 days. The method allowed sequential analysis of male meiotic prophase on successive days after the last day of treatment. The leptotene cells appeared on day 11 and were characterized by a network of lateral elements and large nucleolar bodies in a diffuse mass. On day 13 the unpaired lateral elements and short stretches of synaptonemal complexes characteristic for zygotene could be seen. Pachytene nuclei showing 20 autosomal synaptonemal complexes and XY axes appeared on day 15. The diplotene cells were defined on day 22 by the loss of a complete synaptonemal complex set and by the appearance of disjoined lateral elements and persistent segments of synaptonemal complexes.

Animals

Effects of the male contraceptive agent gossypol on meiotic chromosomes of the male rat.

Synaptonemal complexes (SCs) of rat spermatocytes were analyzed in silver-stained meiotic preparations 10-24 days after treatment with gossypol acetic acid, 30 mg/kg/day, for 70 days. Gossypol did not affect SC formation or function, as judged by the absence of pairing anomalies, SC fragmentation, or presynaptic arrest. The unpaired lateral axes could be seen at zygotene, and at pachytene normal SCs could be observed. The behavior of the XY axes also appeared to be normal.

Animals