Rachmiel Levine, M.D., F.A.C.P.
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The cell membrane regulates substrate intake, waste excretion, mineral balance, gas exchange, and reception and translation of chemical and physical stimuli. The membrane is a precisely fashioned supramolecular assembly of phospholipids, simple proteins, glycoproteins, and lipoproteins. Enzymes and transport proteins form part of its structure. Specific molecules at the surface serve as receptors for a variety of hormones, especially those with peptide- or amino acid-derivative structure. The interaction of a hormone with its membrane receptor may modify rates and direction of substrate transport and give rise to "secondary messages" that modulate other cell functions.
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Levine R. Hormonal Effects on Cell Membrane Function.. Ann Intern Med. ;78:813. doi: 10.7326/0003-4819-78-5-813_1
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Published: Ann Intern Med. 1973;78(5):813.
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