Proteomics

Dataset Information

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Proteomic analysis of isolated mouse distal convoluted tubules following high potassium or low sodium diet


ABSTRACT: The “aldosterone paradox” is a poorly understood physiological mechanism in which increases in the hormone aldosterone either serve to stabilize blood pressure by increasing sodium-chloride (NaCl) reabsorption or to excrete potassium (K+). Under low NaCl intake, abundance and activity of the thiazide-sensitive NaCl cotransporter NCC, expressed in the distal convoluted tubule (DCT), is high, whereas it is low during high K+ intake - leading to increased delivery of NaCl to downstream segments and increased electrogenic K+ secretion. Despite a critical role in blood pressure and K+ homeostasis, little is known about the molecular alterations in the DCT during the aldosterone paradox, and how they control NCC levels. The objective of this study was to define the proteome of the DCT and how it is modified by increased circulating aldosterone levels subsequent to long-term low dietary NaCl or high K+ intake.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): Epithelial Cell, Kidney

SUBMITTER: Qi Wu  

LAB HEAD: Robert A. Fenton

PROVIDER: PXD014383 | Pride | 2021-03-30

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
Maleen-S1-5.raw Raw
Maleen-S1-5_170406171140.raw Raw
Maleen-S1-6.raw Raw
Maleen-S1-6_170406195706.raw Raw
Maleen-S1-7.raw Raw
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