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Nutrition: Calcium
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Total 675 results found since Jan 2013.
The Exocyst Complex is Required for the Trafficking and Delivery of KCa3.1 to the Basolateral Membrane of Polarized Epithelia
Am J Physiol Cell Physiol. 2023 May 1. doi: 10.1152/ajpcell.00374.2022. Online ahead of print.ABSTRACTControl of the movement of ions and water across epithelia is essential for homeostasis. Changing the number or activity of ion channels at the plasma membrane is a significant regulator of epithelial transport. In polarized epithelia, the intermediate-conductance calcium-activated potassium channel, KCa3.1 is delivered to the basolateral membrane where it generates and maintains the electrochemical gradients required for epithelial transport. The mechanisms that control the delivery of KCa3.1 to the basolateral membrane a...
Source: Am J Physiol Cell Ph... - May 1, 2023 Category: Cytology Authors: Matthew J E Logue Rachel E Farquhar Yoakim Eckhoff-Bj örngard Tanya T Cheung Daniel C Devor Fiona J McDonald Kirk L Hamilton Source Type: research
p38 MAPK activation and STIM1-Orai3 association mediate TRPC6 externalization
Am J Physiol Cell Physiol. 2023 Apr 24. doi: 10.1152/ajpcell.00425.2022. Online ahead of print.ABSTRACTEndothelial cell (EC) migration is critical for the repair of monolayer disruption following angioplasties, but migration is inhibited by lipid oxidation products, including lysophosphatidylcholine (lysoPC), which open canonical transient receptor potential 6 (TRPC6) channels. TRPC6 activation requires an increase in intracellular Ca2+ concentration ([Ca2+]i), the source of which is unknown. LysoPC can activate phospholipase A2 to release arachidonic acid (ArA). ArA can activate arachidonic acid-regulated calcium (ARC) ch...
Source: American Journal of Physiology. Cell Physiology - April 24, 2023 Category: Cytology Authors: Pinaki Chaudhuri Priya Putta Michael A Rosenbaum Linda M Graham Source Type: research
Metformin reverses oxidative stress ‑induced mitochondrial dysfunction in pre‑osteoblasts via the EGFR/GSK‑3β/calcium pathway
Int J Mol Med. 2023 Apr;51(4):36. doi: 10.3892/ijmm.2023.5239. Epub 2023 Mar 31.ABSTRACTOxidative stress is one of the main causes of osteoblast apoptosis induced by post‑menopausal osteoporosis. The authors previously found that metformin can reverse the loss of bone mass in post‑menopausal osteoporosis. The present study aimed to further clarify the effects and mechanisms of action of metformin in post‑menopausal osteoporosis under conditions of oxidative stress. Combined with an in‑depth investigation using the transcriptome database, the association between oxidative stress and mitochondrial dysfunction in post...
Source: International Journal of Molecular Medicine - March 31, 2023 Category: Molecular Biology Authors: Fangming Cao Keda Yang Shui Qiu Jie Li Wen Jiang Lin Tao Yue Zhu Source Type: research
