인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
Rosacea is treated among others by doxycycline and sodium bituminosulfonate dry substance (SBDS). We addressed the molecular mechanism(s) underlying the therapeutic benefit of SBDS and doxycycline. Therefore, we investigated whether SBDS or doxycycline regulates the expression of signal molecules relevant for inflammatory and angiogenic effects. Cyclooxygenase 1 (COX1) and COX2 activity assays were assessed in primary human monocytes. The release of nitric oxide (NO) and their synthesizing enzyme inducible nitric oxide synthase (iNOS), VEGF and LL37 release were determined in lung epithelial cells A549, mast cells HMC 1.2 or in normal human epidermal keratinocytes (NHEKs), respectively. The IC<sub>50</sub> values of SBDS for the inhibition of recombinant human COX-1 and COX-2 were 1.9 and 8.3 µg/ml, respectively. In an inflammatory state (COX-2 expression) 100 µg/ml SBDS reduced PGE<sub>2</sub> and TXB<sub>2</sub> release in primary human monocytes. 25 µg/ml SBDS inhibited the mRNA and protein expression of iNOS. Moreover, 50 µg/ml SBDS and 30 µg/ml doxycycline inhibited the release of VEGF in an inflammatory state in HMC 1.2 cells. Both drugs did not affect LL37 release. Doxycycline did not affect intracellular NO levels and iNOS expression. SBDS and doxycycline mediate anti-inflammatory and anti-angiogenic effects through similar but also different signaling molecules.
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.