Fausto Santeusanio

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OBJECTIVE RET proto-oncogene rearrangements (ret/PTCs) represent the most common genetic alterations found in papillary thyroid carcinomas (PTCs). Correlation of ret/PTC expression with clinical outcome is controversial. The aim of the present study was to analyze the frequency of RET rearrangements in adult PTCs, and to investigate if ret/PTCs influence(More)
OBJECTIVE Amino acids stimulate glucagon responses to hypoglycemia and may be utilized by the brain. The aim of this study was to assess the responses to hypoglycemia in nondiabetic and type 1 diabetic subjects after ingestion of an amino acid mixture. RESEARCH DESIGN AND METHODS Ten nondiabetic and 10 diabetic type 1 subjects were studied on three(More)
OBJECTIVE Experimental data from animal studies indicate that portal vein glucose sensors play a key role in the responses to slow-fall hypoglycemia. However, their role in modulating these responses in humans is not well understood. The aim of the present study was to examine in humans the potential role of portal vein glucose sensors in physiological(More)
Naturally produced growth hormone (GH) maintains bodily functions such as tissue repair, muscle growth, brain function, skin thickness, energy, and metabolism, throughout life. As we age, GH levels diminish and associated body functions suffer (Rudman et al. 1990). Researchers, who focus on anti-aging, have been searching for ways to maintain and increase(More)
To investigate the site and mode of action of progesterone in inducing gonadotropin release, the effects of catecholamine-depleting (methyldopa) or dopamine agonist (bromocriptine) drugs on progesterone positive feedback and the gonadotropin response to a centrally acting noradrenergic drug (clonidine) were evaluated in estrogen-primed postmenopausal women.(More)
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