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( Kye Youl Cho ),( Hyun Sup Oh ),( Jae Ho Yoo ),( Duk Hyun Kim ),( Young Joo Cho ),( Kang Il Kim ) 대한슬관절학회 2013 대한슬관절학회지 Vol.25 No.2
Purpose: The purpose of this study was to evaluate the results of the treatment of Schatzker type V and VI tibial plateau fractures using a midline longitudinal incision and dual-plate fixation. Materials and Methods: Ten patients with Schatzker type V and VI tibial plateau fractures treated with a midline longitudinal incision and dual plating were analyzed. The patients were followed for a minimum of one year. Clinical outcomes were evaluated using range of motion, visual analogue scale (VAS) and Knee Society Score. Radiological outcomes were evaluated using the bony union time, medial proximal tibial angle (MPTA) and posterior proximal tibial angle (PPTA). Results: The mean VAS score was 2.2 points, and the mean Knee Society function score was 85 points at the final follow-up. The mean flexion contracture was 2.5o and the mean further flexion was 125o. It took an average of 4 months until bony union occurred. The mean MPTA and PPTA were 90.5o and 4.4o, respectively. There was one case of delayed wound healing, but no other complications were observed. Conclusions: The treatment of Schatzker type V and VI tibial plateau fractures with a midline longitudinal incision and dua -plate fixation resulted in satisfactory clinical and radiological outcomes. This can be an option when treating Schatzker type V and VI tibial plateau fractures.
Kye-Youl Cho,Kang-Il Kim,송상준,Kyu-Jin Kim 대한슬관절학회 2018 대한슬관절학회지 Vol.30 No.1
Purpose: The purpose of this study was to determine the results of mobile bearing unicompartmental knee arthroplasty (UKA) with an intentionally increased flexion angle of the femoral component in patients requiring high flexion. Materials and Methods: We investigated 45 knees treated by UKA. Clinically, we measured the range of motion (ROM) and the American Knee Society (AKS) score preoperatively and at final follow-up and investigated complications. Radiologically, we measured the flexion angle of the femoral component, the posterior slope angle of the tibial component, the femorotibial angle and mechanical axis of the limb postoperatively. Results: The ROM was increased from 123° preoperatively to 139° at the final follow-up. The AKS knee and function scores increased from 59 and 68, respectively, preoperatively to 94 and 96, respectively, at the final follow-up. The flexion angle of the femoral component was 9.1°, and the posterior slope angle of the tibial component was 8.6°. There was one case of bearing dislocation in the largest femoral flexion angle case. Conclusions: The results might reflect the positive effect of an increased flexion angle of the femoral component up to 10° on ROM in mobile bearing UKA, which would contribute to better quality of life after UKA especially in populations requiring deep knee flexion.
세균 초항원에 의해 활성화된 대식세포에서 Toll-like receptor의 발현양상
김효열,조현철,김수기,신계철 대한감염학회 2004 감염과 화학요법 Vol.36 No.5
목적 : 대표적인 세균 초항원인 포도알균 창자독소B(SEB)에 의한 면역세포 활성에 Toll-like receptor(TLR)의 관련성을 알아보고, 지질다당질(LPS)에 의한 TLR의 발현양상과 비교하여 보았다. 재료 및 방법 : 세균 초항원인 SEB를 dye ligand affinity chromatography법으로 순수분리정제한 뒤 사람 말초혈액 단핵구와 사람 대식세포주인 THP-l을 자극하여 이들 세포에서 TLR1-9의 mRNA의 발현을 역전사중합효소반응법으로 확인하였고, 또한 LPS 자극에 의한 발현양상과 비교하여 보았다. 결과 : SEB로 사람 말초혈액 단핵구세포를 자극하였을 때 TLRl과 TLR5 mRNA 발현의 상승이 관찰되었고, TLR4 mRNA의 발현은 SEB 처리 후 1, 2시간째는 발현이 억제되다가 3시간 이후에 상승되는 양상을 보였다. 이런 TLR4 mRNA 발현의 변화는 말초혈액 단핵구를 LPS로 자극하였을 때도 유사하게 관찰되었고, SEB와 LPS를 동시에 자극하였을 때 더 현저한 변화를 보였다. 사람 대식세포주인 THP-l을 SEB 및 LPS로 자극하였을 때TLR2 보다는 TLR4의 mRNA 발현에 현저한 변화를 관찰할 수 있었다. 결론 : 이상의 결과로 SEB에 의한 사람 말초혈액 단핵구세포와 대식세포의 활성에 TLR의 연관성을 확인할 수 있었으며, 적어도 TLR4가 SEB에 대식세포 활성에 관여되었다. 또한 SEB와 LPS는 동시에 병용하여 단핵구세포를 자극하였을 때 상승적으로 TLR4 발현을 촉진할 것으로 추정된다. 향후 SEB 자극에 의한 대식세포 활성에 TLR의 관여 여부를 더 상세히 밝히는 것이 초항원에 의해 유발되는 질환들을 해결하는 중요한 열쇠가 될 수 있을 것으로 생각된다. Background : Staphylococcal enterotoxin B (SEB) as a prototype superantigen is known to play a pivotal role in toxic shock syndrome and severe sepsis. However, the precise mechanism initiating the activation of innate effector cells by SEB is unclear. Recently, Toll-like receptors (TLRs), the sensor of pathogen associated molecular pattern (PAMP), have been reported to be expressed abundantly in monocytic lineage-cells. The purpose of this study is to investigate whether TLRs are involved in the SEB-induced immune cell activation and to prove the differential TLRs expression in response to SEB and/or lipopolysaccharide (LPS). Materials and Methods : SEB was purified by dye ligand affinity chromatography. The mRNA expression of TLR1-9 in human peripheral blood mononuclear cells (PBMC) and human monocyte- like THP-1 cell line stimulated by SEB and/or LPS was detected by RT-PCR. Results : The treatment of PBMC with SEB elicited significant changes in the expression of several TLRs. Interestingly, the mRNAs of TLR1 and TLR5 were clearly up-regulated in PBMC, whereas mRNA of TLR4 was down-regulated in the very early period of stimulation within 1-2 hours, and subsequently up-regulated 3 hours later after the stimulation. The up-regulation of mRNA of TLR4 was detected in PBMC stimulated by LPS. The up-regulation was more prominent in the cells exposed concomitantly to SEB and LPS. The mRNA expression pattern of TLR4 in THP-1 cell line stimulated by SEB or LPS was comparable to those of PBMC. Conclusion : This study indicates that SEB triggers inflammatory signals on macrophages and PBMC by engaging TLRs, particularly TLR4. The combination of LPS and SEB synergistically modulates TLR4 signaling.
Phytochemical Constituents from the Leaves of Soybean [Glycine max (L.) Merr.]
Jin Hwan Lee,In-Youl Baek,Myoung-Gun Choung,Tae Joung Ha,Won-Young Han,Kye Man Cho,Jong-Min Ko,Seong Hun Jeong,Ki-Won Oh,Keum-Yong Park,Ki Hun Park 한국식품과학회 2008 Food Science and Biotechnology Vol.17 No.3
Phytochemicals study from the leaves of soybean [Glycine max (L.) Merr.], one of Korean edible plant materials were investigated through various chromatographic procedures. The methanolic leaves extracts of soybean yielded 16 phytochemicals, including 5 isoflavones 1-5, 3 flavones 6-8, 1 flavonol 9, 2 pterocarpans 10 and 11, 2 phenolic compounds 12 and 13, 2 phytosterols 14 and 15, and 1 sugar alcohol 16. The structures were fully characterized by analysis of physical and spectral data and were defined clearly as 4,5,7-trihydroxyisoflavone (1), 4,5,7-trihydroxyisoflavone-7-O-β-D-glucopyranoside (2), 4,7-dihydroxy-6-methoxyisoflavone (3), 4,7-dihydroxyisoflavone (4), 4,7-dihydroxyisoflavone-7-O-β-D-glucopyranoside (5), 5,7,4"-trihydroxyflavone (6), 3",4",5,7-tetrahydroxyflavone (7), 3",4",5-trihydroxyflavone-7-O-β-D-glucopyranoside (8), 3,4",5,7-tetrahydroxyflavonol (9), coumestrol (10), glyceofuran (11), 4-hydroxybenzoic acid (12), methyl-4-hydroxybenzoate (13), soyasapogenol B (14), stigmasterol (15), and D-mannitol (16), respectively. Among them, phytochemicals 7-16 were reported for the first time on the isolation and confirmation from the leaves of this species. These results suggest that the leaves extracts of soybean may possess possible health related benefits to human due to the isolated phytochemicals 1-16 which have been well known potential effects on various chronic diseases.
김영환,이계영,심영수,김건열,한용철,조상헌,한성구 대한내과학회 1988 대한내과학회지 Vol.35 No.4
Unilateral interstitial lung disease is a very rare condition. A 67 year old male was presented with fever and chill accompanied by progressive dyspnea. A chest X-ray showed unilateral homogenous opacification in the right lung, composed of air-space consolidation and reticular interstitial infiltration. He was treated with antibiotics and bronchodilators but there was no improvement. A transbronchial lung biopsy was done which suggested interstitial fibrosis. An open lung biopsy was done for confirmative diagnosis and as a therapeutic guide. The result was the diagnosis of intermediate stage of interstitial pulmonary fobrosis. Steroid were administered, resulting in a dramatic improvement, hoth clinically and radiologically.