PMID: 8967027Aug 1, 1996Paper

Amylin as an additional possible pathogenic factor in NIDDM and the insulin resistance syndrome

Vnitr̆ní lékar̆ství
J Hrnciar

Abstract

The syndrome of insulin resistance comprises the following H-phenomena: 1. Hyperinsulinism compensating the inborn postreceptor insulin resistance, 2. Hyperglycaemia-non-insulin-dependent diabetes mellitus, 3. Hyperlipoproteinaemia with android obesity, 4. Hypertension, 5. Hirsutism with the syndrome of polycystic ovaries as a manifestation of a hyperandrogenic situation in the female organism. Molecular syndromes of this syndrome of insulin resistance are obscure. They are the subject of intensive studies because H-phenomena are an aggregation of the main risk factors of atherogenesis. Recently attention is focused also on amylin--a 37 amino acid peptide with a 50% homologous amino acid sequence with a calcitonin-gene--related peptide (CGRP), which is the product of a gene made up of three introns on the 12th chromosome. Amylin acts in the beta-cells of the pancreas as a co-secretion of insulin. If in excess, it is deposited in the form of an amyloid in the beta-cells. In the early stage of NIDDM it alters the physiological response of the beta-cell to glycaemic stimuli and food, in later stages of the disease, after accumulation, it causes apoptosis of the beta-cell and reduces thus the secretory capacity of the Langerhans is...Continue Reading

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