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류마티스관절염에서 TGF-β-inducible Gene-h3 (βig-h3)에 의한 활막세포 부착기전
조현정 ( Hyung Jung Cho ),박재용 ( Jae Yong Park ),경희수 ( Hee Soo Kyung ),김인산 ( In San Kim ),강영모 ( Young Mo Kang ),남언정 ( Eon Jeong Nam ),송은주 ( Eun Joo Song ),김지민 ( Ji Min Kim ),서재석 ( Jae Seok Seo ),사금희 ( Keu 대한류마티스학회 2008 대한류마티스학회지 Vol.15 No.3
Objective: βig-h3 is an extracellular matrix protein, which is overexpressed in synovial tissues of rheumatoid arthritis (RA) similar to adhesive glycoproteins. We sought to evaluate the compensatory role of βig-h3 with adhesive glycoproteins in mediating the adhesion of fibroblast-like synoviocytes (FLS) and to confirm the inhibitory effect of YH18 peptide of the 2nd fas-1 domain in βig-h3-mediated adhesion. Methods: The adhesion of FLS isolated from synovial tissues of RA, was evaluated in 96 well microtiter plate coated with matrix proteins. Inhibitory effect of YH18 peptides from the 2nd and 4th fas-1 domains was estimated in βig-h3-mediated adhesion of FLS. Results: The adhesion of FLS on βig-h3 was weaker than that of fibronectin and vitronectin. The βig-h3-mediated adhesion was enhanced by the stimulation with phorbol myristate acetate (PMA), but not by cytokines and growth factors. Combination of fibronectin with βig-h3 synergistically enhanced the adhesion of FLS, in contrast to the additive effect of vitronectin combined with βig-h3. YH18 peptide of the 2nd fas-1 domain did not block the βig-h3-mediated adhesion of FLS. Conclusion: Our results reveal that βig-h3 may regulate the adhesion of FLS through the interaction with adhesive glycoproteins and confirm that the essential motifs mediating adhesion on βig-h3 are different according to the type of cells.
박노언(Park, No-Eon),김용정(Kim, Yong-Jeong),조현정(Cho, Hyun-Jeong),김형욱(Kim, Hyung-Wook) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.11
신재생에너지는 세계적으로 투자급증, 관련기업의 가치상승, 경제성 상승등으로 인해 중요성이 강조되고 있다. 본 연구에서는 미래 먹거리산업 창출에 있어 중요한 신재생에너지 분야 정부지원 연구개발과제(2007~2008)의 투자현황 및 성과를 분석하였다. 연료전지 및 태양광 분야의 투자비중은 신재생에너지 분야 총 투자의 50.7%를 차지하였으며, 지경부는 총 투자의 73.5%를 차지하였다. 수소, 연료전지, 태양광, 해양 분야를 제외한 모든 에너지원에서 지경부의 투자비중이 절대적인 것으로 나타났다. 에너지원별 투자순위가 높은 세부기술을 살펴보면, 수소 분야는 수소제조, 연료전지 분야는 PEMFC, 태양광은 결정질 실리콘, 풍력은 발전시스템으로 나타났다. 연구성과를 살펴보면, 특허건수는 국내 R&D 분야 총 성과의 2.18%에 해당되었으며, 매출액은 0.08% 수준이었다.
신동수 ( Dong Su Shin ),서미령 ( Mi Ryeong Seo ),조현정 ( Hyung Jeong Cho ),최효진 ( Hyo Jin Choi ),이은봉 ( Eun Bong Lee ),백한주 ( Han Joo Baek ) 대한류마티스학회 2011 대한류마티스학회지 Vol.18 No.2
Necrotizing fasciitis (NF) is an uncommon, life-threatening infection of the subcutaneous tissue and superficial fascia. The clinical course of NF is rapid and progressive, and it is often fatal despite the appropriate therapy. The prognosis of NF depends on a timely diagnosis and then proper treatment. At onset it may not be possible to clearly distinguish NF from minor soft-tissue infections. Although infection are common due to the use of steroids and immunosuppressive agents in patients with systemic lupus erythematous (SLE), it is interesting that NF has rarely been reported with SLE. Here, we present two cases of NF with SLE.