Leydig Cell Tumor-Induced Gonadotropin-Independent Precocious Puberty Progressing to Gonadotropin-Dependent Precocious Puberty Post Orchiectomy: Out of the Frying Pan Into the Fire.

Many pathologies can cause gonadotropin-independent precocious puberty (GIPP) in prepubertal boys. Leydig cell tumor is one rare cause of this presentation. Here we present a six-year-old boy with features of isosexual precocious puberty, high testosterone levels, low gonadotropin levels, and bone age advancement.

Some case studies on application of "r(m)2" metrics for judging quality of quantitative structure-activity relationship predictions: emphasis on scaling of response data.

Quantitative structure-activity relationship (QSAR) techniques have found wide application in the fields of drug design, property modeling, and toxicity prediction of untested chemicals. A rigorous validation of the developed models plays the key role for their successful application in prediction for new compounds. The r(m)(2) metrics introduced by Roy et al.

Protective Effect of Aqueous Extract of Terminalia arjuna against Dehydrating Induced Oxidative Stress and Uremia in Male Rat.

The present study has been designed to find out the protective effect of aqueus extract of Terminalia arjuna against dehydration induced oxidative stress and uremia, protection by plant extract in male Wister strain albino rats, and therefore to find out the scientific basis of local use of Terminalia arjuna bark extract by village ayurved doctors to protect the progressive kidney disorder (renal failure) relating to dehydration and other related problems. Water withdrawing for 15 days in male Wister strain albino rats resulted in a significant elevation in the level of blood nitrogenous products (i.e.