Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:1.13.12.5 (aequorin)
1,451 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The WFS1 gene, encoding an endoplasmic reticulum (ER) membrane glycoprotein, is mutated in Wolfram syndrome characterized by diabetes mellitus and optic atrophy. Herein, Ca(2+) dynamics were examined in WFS1-knockdown and -overexpressing HEK293 cells. Studies using ER-targeted Ca(2+)-sensitive photoprotein aequorin demonstrated WFS1 protein to positively modulate ER Ca(2+) levels by increasing the rate of Ca(2+) uptake. Furthermore, Ca(2+) imaging with Fura-2 showed the magnitude of the store-operated Ca(2+) entry to parallel WFS1 expression levels. These data indicate that WFS1 protein participates in the regulation of cellular Ca(2+) homeostasis, at least partly, by modulating the filling state of the ER Ca(2+) store.
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PMID:WFS1 protein modulates the free Ca(2+) concentration in the endoplasmic reticulum. 1698 14