Találati lista | Tudóstér

001-es BibID:	BIBFORM116425
Első szerző:	Arany József (klinikai laboratóriumi kutató, vegyész)
Cím:	Adenosine receptors are novel regulators of human sebocyte biology / Arany J., Ádám D., Cseszlai M., Nyitrai T., Zouboulis C. C., Oláh A.
Dátum:	2023
ISSN:	0022-202X 1523-1747
Megjegyzések:	We have previously shown that (-)-cannabidiol, a non-psychotropic phytocannabinoid, exerted complex anti-acne effects, some of which were found to be mediated by the A2A adenosine receptor. Thus, in the current study, we aimed to investigate the expression and functional role of adenosine receptors on human SZ95 sebocytes. First, besides confirming the expression of A2A receptor, we showed that A1 and A2B adenosine receptors were also expressed in human sebocytes (Q-PCR, western blot), whereas expression of A3 was found to be around detection limit (Q-PCR). Next, by using non-cytotoxic concentrations (MTT-assay) of selective modulators of A2A and A2B receptors, we found that administration of the A2B agonist BAY 60-6583 led to a small, but significant increase in the basal, homeostatic sebaceous lipogenesis, while the A2B antagonist alloxazine reduced the lipid synthesis (24- and 48-hour treatments; Nile Red). Interestingly, administration of ZM 241385 (an A2A antagonist that can also block A2B receptor at higher concentrations) resulted in a concentration-dependent decrease of the lipid synthesis in course of 24-hr treatments, but did not influence lipogenesis in case of longer (48-hr) experiments (Nile Red). Importantly, the A2A agonist CGS 21680 slightly, but significantly decreased basal sebaceous lipogenesis (24- and 48-hr treatments; Nile Red), and could also suppress the lipogenic effect of the "acne-mimicking" inflammatory lipid mediator arachidonic acid (48-hr treatments; Nile Red). Last, but not least, our preliminary data suggest that activation of A2A, but, intriguingly, not of A2B, receptor is efficient in suppressing the Toll-like receptor 4 activator lipopolysaccharide-induced pro-inflammatory response as well (Q-PCR). Taken together, our data indicate that several adenosine receptors are expressed on human sebocytes. These receptors differentially influence sebocyte biology, and activation of A2A receptor appears to exert promising anti-acne effects in our in vitro model systems.
Tárgyszavak:	Orvostudományok Elméleti orvostudományok idézhető absztrakt folyóiratcikk sebocyte acne adenosine receptor sebaceous lipogenesis
Megjelenés:	Journal Of Investigative Dermatology. - 143 : Suppl_11 (2023), p. S355. -
További szerzők:	Ádám Dorottya (1991-) (molekuláris biológus) Cseszlai M. Nyitrai Tamara (1999-) (molekuláris biológus) Zouboulis, Christos C. (1960-) (bőrgyógyász) Oláh Attila (1984-) (élettanász)
Pályázati támogatás:	EFOP-3.6.3-VEKOP-16-2017-00009 EFOP EFOP-3.6.1-16-2016-00022 EFOP János Bolyai Research Scholarship MTA 134235 OTKA ÚNKP-23-5-DE-477 Egyéb
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
Borító:
Saját polcon: