Computational Model of Circadian Nephron Transport in Normotensive and Hypertensive Rats

A computational modeling study investigating circadian rhythms in kidney function and diuretic responsiveness. The model simulates nephron transport in normotensive and Ang II–induced hypertensive rat kidneys, focusing on clock-gene regulation of sodium transporters. The work was authored by Kaixin Zheng and last updated on 2026-06-02.

Use Cases

• Simulating the effects of conditional Bmal1 knockdown on renal transporter oscillations based on the described computational model.
• Investigating the redistribution of sodium transport from proximal to distal nephron segments in hypertensive conditions as described in the study.
• Predicting the optimal timing for diuretic administration based on circadian phenotype (dipper vs. non-dipper) as a key finding of the model.
• Analyzing how oscillations in single-nephron glomerular filtration rate (SNGFR) determine daily excretory rhythms according to the model predictions.

Strengths

• Model predictions are based on specific, named sodium transporters (NHE3, SGLT1, NKCC2, NCC, ENaC) under circadian control.
• Explicitly compares two physiological conditions: normotensive and Ang II–induced hypertensive rat kidneys.
• The dataset is openly available under a CC-BY-4.0 license.

Limitations

• The primary data file is a 159.5 KB PDF, which likely contains a research paper rather than raw simulation data or structured tables.
• Row count and column-level documentation are unknown, limiting direct analysis of underlying model outputs.
• The dataset's small size (159.5 KB) indicates limited scope, likely containing only the manuscript and supplementary figures.

Provenance

Source

figshare, authored by Kaixin Zheng.

Collection Method

Computational models of nephron transport, as described in the associated research paper.

Freshness

Last updated 2026-06-02 04:28:28.