Key result
Tubuloglomerular feedback modulates both the amplitude and frequency of the myogenic oscillation in single-nephron blood flow, with median modulation frequency ratios of 0.95 and 0.97 in 10 rats.
Population
Computational model of renal blood flow regulation and experimental measurements from 10 rats
Design
Preclinical
Authors
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Model predictions of TGF-myogenic coupling are hypothesis-generating; experimental validation required before physiologic or clinical inference.
Frequency and amplitude modulation can provide robust communication between tubuloglomerular feedback and the myogenic mechanism in renal blood flow regulation.
Marsh et al. (2005) studied Renal blood flow regulation (n=10). Tubuloglomerular feedback (TGF) was evaluated on Ratio of modulation frequency to TGF frequency. Tubuloglomerular feedback modulates both the amplitude and frequency of the myogenic oscillation in single-nephron blood flow, with median modulation frequency ratios of 0.95 and 0.97 in 10 rats.
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