matrix vesicle

matrix vesicle

An extracellular membrane-bound body measuring 0.1–0.2 µm in diameter, which may form the nidus for calcification of psammoma bodies in meningiomas.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
Autophagy acts as an endogenous mechanism protecting against phosphorus-induced vascular calcification by reducing matrix vesicle release [47].
Cai et al., "Phosphate-induced autophagy counteracts vascular calcification by reducing matrix vesicle release," Kidney International, vol.
In fact, recent research has shown that calcitriol accelerates matrix vesicle formation in osteoblasts but only during the early phase of differentiation [23].
Notably, electron micrograph captures an osteoblast matrix vesicle just as it initiated the exocytosis of hydroxyapatite (EDX spectrum).
Nagashima et al., "Analysis of the extracellular matrix vesicle proteome in mineralizing osteoblasts," Journal of Cellular Physiology, vol.
Mineralization begins with HA formation in matrix vesicles; HA crystals penetrate the matrix vesicle membrane and elongate due to the effect of TNAP, and the crystals are then deposited between collagen fibrils.
It is linked to the membrane of matrix vesicles via a glycosylphosphatidylinositol (GPI) anchor by means of posttranslational modification.
Proposed starting sites for calcification include matrix vesicles derived from cells and lipoproteins in plasma or originally internalized by cells (4) as well as cholesterol (CH) (3) in tissue sections of lesions (5,6).
Although VSMC apoptosis is a major way of vascular calcification, microcalcification can also be caused by apoptotic death or the release of matrix vesicles by macrophages [8].
Mature OBs release a large number of matrix vesicles, each of which contains a large amount of calcium and is helpful in mineralization [23, 24].
(1989) to study the distribution of extracellular matrix vesicles around bone-bonding and nonbonding glass-ceramic implants in rat tibial bone.