Abstract:
:Calcium (Ca2+) plays an important role in regulating the differentiation and function of osteoclasts. Calcium oscillations (Ca oscillations) are well-known phenomena in receptor activator of nuclear factor kappa B ligand (RANKL)-induced osteoclastogenesis and bone resorption via calcineurin. Many modifiers are involved in the fine-tuning of Ca oscillations in osteoclasts. In addition to macrophage colony-stimulating factors (M-CSF; CSF-1) and RANKL, costimulatory signaling by immunoreceptor tyrosine-based activation motif-harboring adaptors is important for Ca oscillation generation and osteoclast differentiation. DNAX-activating protein of 12 kD is always necessary for osteoclastogenesis. In contrast, Fc receptor gamma (FcRγ) works as a key controller of osteoclastogenesis especially in inflammatory situation. FcRγ has a cofactor in fine-tuning of Ca oscillations. Some calcium channels and transporters are also necessary for Ca oscillations. Transient receptor potential (TRP) channels are well-known environmental sensors, and TRP vanilloid channels play an important role in osteoclastogenesis. Lysosomes, mitochondria, and endoplasmic reticulum (ER) are typical organelles for intracellular Ca2+ storage. Ryanodine receptor, inositol trisphosphate receptor, and sarco/endoplasmic reticulum Ca2+ ATPase on the ER modulate Ca oscillations. Research on Ca oscillations in osteoclasts has still many problems. Surprisingly, there is no objective definition of Ca oscillations. Causality between Ca oscillations and osteoclast differentiation and/or function remains to be examined.
journal_name
Int J Mol Scijournal_title
International journal of molecular sciencesauthors
Okada H,Okabe K,Tanaka Sdoi
10.3390/ijms22010180subject
Has Abstractpub_date
2020-12-26 00:00:00issue
1issn
1422-0067pii
ijms22010180journal_volume
22pub_type
杂志文章,评审abstract::The MP2 and DFT/B3LYP methods at 6-311++G(d,p) and aug-cc-pdz basis sets have been used to probe the origin of relative stability preference for eclipsed acetaldehyde over its bisected counterpart. A relative energy stability range of 1.02 to 1.20 kcal/mol, in favor of the eclipsed conformer, was found and discussed. ...
journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
pub_type: 评论,杂志文章
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journal_title:International journal of molecular sciences
pub_type: 杂志文章,评审
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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journal_title:International journal of molecular sciences
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