WebMar 23, 2024 · CHKB encodes one of two mammalian choline kinase enzymes that catalyze the first step in the synthesis of the membrane phospholipid phosphatidylcholine. In humans and mice, inactivation of the... WebSep 13, 2024 · 1. It is caused by loss-of-function mutations in Choline kinase beta (CHKB) gene encoding an enzyme that catalyzes the first step of phosphatidylcholine (PC) biosynthesis 2.Clinically, Megaconial ...
Megaconial congenital muscular dystrophy due to loss-of-function ...
WebMar 10, 2024 · Background: CHKB mutations have been described in 49 patients with megaconial congenital muscular dystrophy, which is a rare autosomal recessive disorder, of which 40 patients showed homozygosity. Methods: Peripheral blood genomic DNA samples were extracted from patients and their parents and were tested by whole exome … WebRecombinant CHKB with identified missense mutations also showed reduced choline kinase activity, indicating that the disease is caused by the loss-of-function mutations in CHKB. Furthermore, mitochondria in the center of muscle fibers were subjected to autophagy on electron microscopy and these mitochondria did not have cytochrome c … dhl schedule shipment
Mutations of the DNA repair gene - Nature
WebMar 10, 2024 · CHKB gene mutations clustering in all exons leads to choline kinase deficiencies. CHKB mutations have been described in 49 patients with megaconial … WebThe protein encoded by the CHKB gene catalyzes the first step in phosphatidylethanolamine biosynthesis and consequently plays as a key role in phospholipid biosynthesis. … WebMar 12, 2024 · Genetic analysis in these patients identified three novel null mutations in CHKB [c.1027dupA (p.Ser343LysfsTer86);c.224 + 1G > T (5′ splice site); c.1123C > T (p.Gln375Ter)] and one reported... dhl scholarships