title: Regulation of lysosome biogenesis and functions in osteoclasts.
abstract: In order to resorb the mineralized bone extracellular matrix, the osteoclast relies on the generation of a resorption lacuna characterized by the presence of specific proteases and a low pH. Hence, bone resorption by osteoclasts is highly dependent on lysosomes, the organelles specialized in intra- and extracellular material degradation. This is best illustrated by the fact that multiple forms of human osteopetrosis are caused by mutations in genes encoding for lysosomal proteins. Yet, until recently, the molecular mechanisms regulating lysosomal biogenesis and function in osteoclasts were poorly understood. Here we review the latest developments in the study of lysosomal biogenesis and function in osteoclasts with an emphasis on the transcriptional control of these processes.
authors: Institut de Recherches Cliniques de Montréal; Montréal, Québec, Canada.
authors: Julie
authors: J
authors: Lacombe
authors: Gérard
authors: G
authors: Karsenty
authors: Mathieu
authors: M
authors: Ferron
mesh_terms: D000143:Acids / Q000378:metabolism; D001842:Bone and Bones / Q000378:metabolism; D005109:Extracellular Matrix / Q000378:metabolism; D006801:Humans; D008247:Lysosomes / Q000378:metabolism*; D010010:Osteoclasts / Q000378:metabolism*; D011506:Proteins / Q000378:metabolism
chemical_list: D000143:Acids; D011506:Proteins; C018589:lysosomal proteins
keywords: PKCβ; RANKL; TFEB; bone resorption; lysosomal biogenesis; lysosome; osteoclast
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