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Multiple short-term effects of lead on the renin-angiotensin system.

Authors
Goldman-JM; Vander-AJ; Mouw-DR; Keiser-J; Nicholls-MG
Source
J Lab Clin Med 1981 Feb; 97(2):251-263
NIOSHTIC No.
00122211
Abstract
The effects of lead (7439921) on the relationship between plasma renin and angiotensin II were studied. Male dogs were catheterized to measure hepatic renal flow and plasma renin activity. The effects of lead, 0.5 milligrams per minute, administered by continuous infusion for 3 hours, on these parameters and on arterial angiotensin II were measured. In some animals the effect of lead on the hepatic removal of renin was monitored by sampling hepatic portal blood. Plasma renin activity rose significantly over the 3 hour period of lead exposure. Although there was a linear relationship between angiotensin II levels and plasma renin activity following nonlead stimuli, this relation was changed with lead lowered angiotensin II levels. Hepatic removal of renin was shut off after 2 to 3 hours of lead administration. The authors conclude that the major cause of increased plasma renin activity after lead administration is the cessation of hepatic removal of renin and lead prevents angiotensin II levels from rising proportionately with plasma renin activity.
Keywords
NIOSH-Publication; NIOSH-Grant; Heavy-metals; Hematology; Animal-studies; Toxicology; Immunology; Kidney-function; Lead-poisoning; Blood-plasma
Contact
Physiology University of Michigan 6811 Medical Science II Ann Arbor, Mich
CODEN
JLCMAK
CAS No.
7439-92-1
Publication Date
19810201
Document Type
Journal Article
Funding Amount
243305
Funding Type
Grant
Fiscal Year
1981
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-00913
Issue of Publication
2
ISSN
0022-2143
Priority Area
Other Occupational Concerns; Grants-other
Source Name
The Journal of Laboratory and Clinical Medicine
State
MI
Performing Organization
University of Michigan at Ann Arbor, Ann Arbor, Michigan
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