MCP-3 was expressed in AL and its levels associated with clinical symptoms. MCP-3 might play a role in disease pathogenesis, possibly by stimulating mononuclear chemotaxis.
The cephalic phase of reflex insulin secretion was studied in normoglycemic and normoinsulinemic female patients, obese (more than 30% over IBW) and normal subjects. After an overnight fasting, at the sight of breakfast food, the obese group did not present a cephalic response. Their glycemia and insulinemia levels remained at base levels. One minute after visual and olfactory stimulation, a statistically significant rise in immunoreactive insulin levels which was maintained throughout the test, was observed in the control group.
The effects of insulin on the metabolism of acetate-U-14C in isolated chicken adipocytes have been investigated. Insulin added in vitro at physiological concentrations did not stimulate the incorporation of acetate-U-14C into triglycerides or CO2 when the acetate was present alone. In the presence of glucose 11m M, however, insulin stimulated significantly lipogenesis from acetate. This is an indirect action mediated by glucose.
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