Physiology and pathophysiology of potassium homeostasis

BF Palmer, DJ Clegg - Advances in physiology education, 2016 - journals.physiology.org
Total body potassium content and proper distribution of potassium across the cell membrane
is of critical importance for normal cellular function. Potassium homeostasis is maintained by …

Regulation of the renal NaCl cotransporter and its role in potassium homeostasis

EJ Hoorn, M Gritter, CA Cuevas… - Physiological …, 2020 - journals.physiology.org
Daily dietary potassium (K+) intake may be as large as the extracellular K+ pool. To avoid
acute hyperkalemia, rapid removal of K+ from the extracellular space is essential. This is …

[HTML][HTML] Electrolytes

I Shrimanker, S Bhattarai - 2019 - europepmc.org
Electrolytes are essential for basic life functioning, such as maintaining electrical neutrality in
cells, generating and conducting action potentials in the nerves and muscles. Sodium …

Potassium homeostasis: the knowns, the unknowns, and the health benefits

AA McDonough, JH Youn - Physiology, 2017 - journals.physiology.org
Potassium homeostasis has a very high priority because of its importance for membrane
potential. Although extracellular K+ is only 2% of total body K+, our physiology was …

Regulation of distal tubule sodium transport: mechanisms and roles in homeostasis and pathophysiology

D Pearce, AD Manis, V Nesterov… - Pflügers Archiv-European …, 2022 - Springer
Regulated Na+ transport in the distal nephron is of fundamental importance to fluid and
electrolyte homeostasis. Further upstream, Na+ is the principal driver of secondary active …

[HTML][HTML] Potassium intake modulates the thiazide-sensitive sodium-chloride cotransporter (NCC) activity via the Kir4. 1 potassium channel

MX Wang, CA Cuevas, XT Su, P Wu, ZX Gao, DH Lin… - Kidney international, 2018 - Elsevier
Kir4. 1 in the distal convoluted tubule plays a key role in sensing plasma potassium and in
modulating the thiazide-sensitive sodium-chloride cotransporter (NCC). Here we tested …

Inherited tubulopathies of the kidney: insights from genetics

ML Downie, SCL Garcia, R Kleta… - Clinical Journal of the …, 2021 - journals.lww.com
The kidney tubules provide homeostasis by maintaining the external milieu that is critical for
proper cellular function. Without homeostasis, there would be no heartbeat, no muscle …

Cardiovascular benefits associated with higher dietary K+ vs. lower dietary Na+: evidence from population and mechanistic studies

AA McDonough, LC Veiras… - American Journal of …, 2017 - journals.physiology.org
The World Health Organization ranks hypertension the leading global risk factor for disease,
specifically, cardiovascular disease. Blood pressure (BP) is higher in Westernized …

[HTML][HTML] Potassium homeostasis–Physiology and pharmacology in a clinical context

R Kettritz, J Loffing - Pharmacology & Therapeutics, 2023 - Elsevier
Membrane voltage controls the function of excitable cells and is mainly a consequence of
the ratio between the extra-and intracellular potassium concentration. Potassium …

[HTML][HTML] Essential role of Kir5. 1 channels in renal salt handling and blood pressure control

O Palygin, V Levchenko, DV Ilatovskaya, TS Pavlov… - JCI insight, 2017 - ncbi.nlm.nih.gov
Supplementing diets with high potassium helps reduce hypertension in humans. Inwardly
rectifying K+ channels K ir 4.1 (Kcnj10) and K ir 5.1 (Kcnj16) are highly expressed in the …