ReviewPediatric nephrology (Berlin, Germany)1994
Development biology of the renal kallikrein-kinin system.
Review in Pediatric nephrology (Berlin, Germany), 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
Kinins are endothelium-dependent vasodilators and natriuretic paracrine peptides that participate in the regulation of blood pressure, renal hemodynamics and sodium excretion. Several lines of evidence suggest an important role for intrarenal kinins and their receptors in kidney growth and development. (1) The developing rat kidney expresses all the components of the tissue kallikrein-kinin system: tissue kallikrein, low molecular weight (LMW) kininogen, kininase II and kinin receptors. Also, the developing liver expresses high molecular weight and LMW kininogens. Thus, a complete kinin-generating system exists in the developing kidney. (2) Gene transcription, mRNA and protein abundance, and enzymatic activity of renal kallikrein are all markedly up-regulated during postnatal kidney growth, and a positive correlation exists between renal kallikrein synthesis and the maturational rise in renal blood flow. (3) Rat glomerular mesangial cells in culture express the kinin receptors and proliferate in response to bradykinin, suggesting that endogenous kinins and their receptors modulate glomerular growth. (4) The newborn period is characterized by an activation of kinin receptor gene expression, and chronic pharmacological blockade of kinin receptors suppresses DNA synthesis in the developing but not adult kidney. Collectively, these data provide the basis for the hypothesis that endogenous kinins and the kinin receptors play an important role in the developmental biology of the metanephric kidney.
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