Role of regulator of G-protein signaling 2 (RGS2) in periodontal ligament cells under mechanical stress was written by Santos de Araujo, Rui M.;Oba, Yasuo;Moriyama, Keiji. And the article was included in Cell Biochemistry and Function in 2007.Related Products of 6698-26-6 This article mentions the following:
Mech. stress is thought to regulate the expression of genes in the periodontal ligament (PDL) cells. Using a microarray approach, we recently identified a regulator of G-protein signaling 2 (RGS2) as an up-regulated gene in the PDL cells under compressive force. The RGS protein family is known to turn off G-protein signaling. G-protein signaling involves the production of cAMP, which is thought to be one of the biol. mediators in response to mech. stress. Here, we investigated the role of RGS2 in the PDL cells under mech. stress. PDL cells derived from the ligament tissues of human premolar teeth were cultured in collagen gels and subjected to static compressive force. Compressive force application time-dependently enhanced RGS2 expression and intracellular cAMP levels. To examine the interrelationship between RGS2 and cAMP, the PDL cells were treated with 2′,5′-dideoxyadenosine (DDA), an inhibitor of adenyl cyclase, or antisense S-oligonucleotide (S-ODN) to RGS2 under compressive force. DDA dose-dependently inhibited RGS2 stimulated by compressive force. Blockage of RGS2 by antisense S-ODN elevated the cAMP levels compared with controls. These results indicate that cAMP stimulates RGS2 expression, which in turn leads to a decrease in the cAMP production by inactivating the G-protein signaling in the mech. stressed PDL cells. In the experiment, the researchers used many compounds, for example, (2R,3S,5R)-5-(6-Amino-9H-purin-9-yl)-2-methyltetrahydrofuran-3-ol (cas: 6698-26-6Related Products of 6698-26-6).
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