Sodium transport during the natriuresis of volume expansion; a study using peripheral blood leucocytes. 1982

L Poston, and S Wilkinson, and R B Sewell, and R Williams

1. Leucocyte sodium transport was investigated as a possible assay for the small molecular weight natriuretic material isolated from the urine of normal subjects who had undergone volume expansion by saline infusion. 2. This fraction (fraction four or FIV), inhibitory to sodium transport in several other assays, was also found to inhibit leucocyte sodium transport. 3. FIV isolated from the urine of five normal subjects undergoing the natriuresis of mineralocorticoid 'escape' was also found to be inhibitory to leucocyte sodium transport. 4. Leucocytes isolated from the blood of the same subjects during mineralocorticoid escape showed decreased sodium transport.

UI MeSH Term Description Entries
D007962 Leukocytes White blood cells. These include granular leukocytes (BASOPHILS; EOSINOPHILS; and NEUTROPHILS) as well as non-granular leukocytes (LYMPHOCYTES and MONOCYTES). Blood Cells, White,Blood Corpuscles, White,White Blood Cells,White Blood Corpuscles,Blood Cell, White,Blood Corpuscle, White,Corpuscle, White Blood,Corpuscles, White Blood,Leukocyte,White Blood Cell,White Blood Corpuscle
D008297 Male Males
D008901 Mineralocorticoids A group of CORTICOSTEROIDS primarily associated with water and electrolyte balance. This is accomplished through the effect on ION TRANSPORT in renal tubules, resulting in retention of sodium and loss of potassium. Mineralocorticoid secretion is itself regulated by PLASMA VOLUME, serum potassium, and ANGIOTENSIN II. Mineralocorticoid,Mineralocorticoid Effect,Mineralocorticoid Effects,Effect, Mineralocorticoid,Effects, Mineralocorticoid
D008970 Molecular Weight The sum of the weight of all the atoms in a molecule. Molecular Weights,Weight, Molecular,Weights, Molecular
D009318 Natriuresis Sodium excretion by URINATION. Natriureses
D011507 Proteinuria The presence of proteins in the urine, an indicator of KIDNEY DISEASES. Proteinurias
D006728 Hormones Chemical substances having a specific regulatory effect on the activity of a certain organ or organs. The term was originally applied to substances secreted by various ENDOCRINE GLANDS and transported in the bloodstream to the target organs. It is sometimes extended to include those substances that are not produced by the endocrine glands but that have similar effects. Hormone,Hormone Receptor Agonists,Agonists, Hormone Receptor,Receptor Agonists, Hormone
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001692 Biological Transport The movement of materials (including biochemical substances and drugs) through a biological system at the cellular level. The transport can be across cell membranes and epithelial layers. It also can occur within intracellular compartments and extracellular compartments. Transport, Biological,Biologic Transport,Transport, Biologic

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