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Angiotensin (Paperback, Softcover reprint of the original 1st ed. 1974)
Loot Price: R3,068
Discovery Miles 30 680
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Angiotensin (Paperback, Softcover reprint of the original 1st ed. 1974)
Series: Handbook of Experimental Pharmacology, 37
Expected to ship within 10 - 15 working days
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The history of arterial hypertension is both long and short; long,
since BRIGHT (1827) first related hardness of the pulse to hardness
of the kidneys and hyper. trophy of the heart; short in that modern
research began in the late twenties. Most of what we know of these
diseases has been discovered in the past fifty years. The modern
story should have begun in 1897 when an extract of kidney was shown
to be pressor. But little was done with knowledge until about 1929
when the relationship of this kidney extract called "renin" to
hypertension was pos. tulated. The pressor effects were, however,
unlike most of those seen with sub. stances such as epinephrine or
vasopressin. Plasma was required for action of renin and the active
substance appeared to be protein. In 1939, it was shown that renin
was not in itself a pressor substance but rather a proteolytic
enzyme which produced a powerful pressor substance acting on a
substrate synthesized by the liver. Later it was noted that the
first definable step after the formation of this peptide was
cleaving of the decapeptide which had little or no demonstrable
activity, with loss of two amino acids to form the octapeptide
called "angiotensin." Within a decade synthesis was achieved which
made the substance available for world.wide study."
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