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한국인 일차성 쇼그렌 증후군 환자의 선외 임상상의 분석
최병용 ( Byoong Yong Choi ),유종진 ( Jong Jin Yoo ),오혜진 ( Hye Jin Oh ),장유진 ( Yu Jin Jang ),이윤종 ( Yun Jong Lee ),송영욱 ( Yeong Wook Song ) 대한류마티스학회 2015 대한류마티스학회지 Vol.22 No.3
Objectives. To investigate the clinical findings upon initial diagnosis and extraglandular manifestations in Korean patients with primary Sjogren``s syndrome (pSS). Methods. We collected clinical and laboratory data from 238 pSS patients enrolled at Seoul National University Hospital, Seoul National University Bundang Hospital and Seoul Medical Center from March 2011 to December 2014. All patients met the American-European Consensus Group criteria for pSS. Results. Upon initial diagnosis, sicca symptoms (xerophthalmia or xerostomia) as the chief complaint were only observed in 129 (54.2%) pSS patients, while extraglandular manifestation was more common as the chief complaint in male patients or those with younger age (<40 years) than female or older patients (both p<0.05). Extraglandular manifestations were found in 178 (74.8%) patients, with musculoskeletal manifestations being most common (53.8%). Peripheral neuropathy in pSS patients was associated with Raynaud phenomenon and elevated serum total immunoglobulin G (IgG) levels (both p<0.05). Serum β2-microglobulin (β2-M) levels were significantly correlated with European League against Rheumatism (EULAR) Sjogren``s syndrome disease activity index, erythrocyte sedimentation rate and serum total IgG (all p<0.001), and were higher in patients with extraglandular manifestations than those without (p<0.05). Serum C3 levels were decreased in patients with extraglandular manifestation, compared to those without (p<0.05). Malignant lymphoma was found in Korean pSS patients (1.7%) and associated with elevated serum β2-M levels (p<0.0001). Conclusion. Extraglandular manifestations were common in pSS patients and may be a diagnostic tool for male or younger pSS patients. Serum β2-M levels can be useful markers for monitoring pSS patients. (J Rheum Dis 2015;22:167-174)
최병용 ( Byoung Yong Choi ),박영배 ( Young Bae Park ),이정화 ( Jung Hwa Lee ),류희정 ( Hee Jung Ryu ),이은영 ( Eun Yong Lee ),이윤종 ( Yun Jong Lee ),이은봉 ( Eun Bong Lee ),송영욱 ( Yeong Wook Song ) 대한류마티스학회 2007 대한류마티스학회지 Vol.14 No.3
Sacroiliitis is a rare manifestation in patients with sarcoidosis and there have been several case reports of ankylosing spondylitis (AS) accompanying sarcoidosis. Recently, the development of sarcoidosis has been reported in AS patients treated with tumor necrosis factor blocker. We described a 27-year-old male patient with AS and histologically proven sarcoidosis who was treated with etanercept without aggravation of sarcoidosis.
구름송편버섯 자실체의 열수와 메탄올 추출물의 아미노산 성분
최병용 ( Byeong Yong Choi ),이형환 ( Hyung H. Lee ) 한국자연치유학회 2017 Journal of Naturopathy Vol.6 No.1-2
구름송편버섯 자실체를 열수(hot water)와 메탄올(methanol)에서 추출하여 추출물의 수율 및 유리 아미노산류와 유기산류의 함량을 조사 분석하였다. 구름송편버섯 자실체 열수 추출물 수율은 0.495 g, 메탄올 추출물은 0.246 g이었으며, 수율은 열수추출이 메탄올 추출보다 약 2배 높았다. 열수추출물에 함유된 유리 아미노산은 총 15종(총 13.59 mg/g)이었고, 이중 leu(2.1 mg/g)이 가장 높았고, arg(1.83 mg/g), ile(1.17 mg/g), tyr(0.03 mg/g) 순이었다. 필수아미노산 함량은 열수 추출물이 메탄올 추출물의 함량보다 약 41배 높았으나, lys은 존재하지 않았다. 메탄올 추출물의 유리 아미노산은 총 6종(총 0.33 mg/g)이었고, 이중 glu이 0.12 mg/g으로 가장 높게 나타났다. 메탄올 추출물에서는 필수아미노산 함량이 총 0.12 mg/g이었다. 유기산 물질의 열수추출은 7종(총 1.26 mg/g)이었고, 이중 γ-aminobutyric acid가 0.63 mg/g, phosphoserine이 0.21 mg/g 이었다. 메탄올 추출물에서의 유기물은 phosphoserine과 β-amino-isobutyric acid의 2종이 확인되었으며, 총 0.09 mg/g이었다. 이중 β-amino-isobutyric acid는 열수 추출물에는 존재하지 않았으나, 메탄올 추출물에서는 확인이 되었다. 구름송편버섯 자실체 열수와 메탄올 추출물에는 여러 종류의 아미노산과 유기산이 추출되어서 단백질의 아미노산 기능과 유기산 등의 기능이 다양한 영양학적 또는 기능성 원료로서의 활용 가능성이 있는 것으로 사료된다. This study was to analyze, using HPLC method, the quantity and types of L-amino acids and organic compounds found in Coriolus versicolor fruitbody extracts in hot water and methanol. The total quantity of the C. versicolor extracts was 0.495 g in the hot water, the methanol extract appeared to 0.246 g, the water extracts showed about two times higher than the content of methanol extract. Fifteen types of L-amino acids and seven kinds of organic acids were found in the both extracts. The total quantity of the free amino acids were 13.59 mg/g in the hot water extracts, and the amounts of leu was highest with 2.1 mg/g, and the rest ranged from arg(1.83 mg/g), ile(1.17 mg/g) and tyr(0.03 mg/g). The total quantity of the free amino acids were 0.33 mg/g and six types of amino acids in methanol extracts, and the amounts of glu was highest with 0.12 mg/g, and the rest ranged from arg(1.83 mg/g), ile(1.17 mg/g) and tyr(0.03 mg/g). Amounts of essential amino acids were 41 times more presented in the hot extracts than the methanol extracts, however lys was not in the hot extract. The hot extracts contained seven types of organic acids and total quantity was 1.26 mg/g; ?-aminobutyric acid was 0.63 mg/g, phosphoserine was 0.21 mg/g. The methanol extract contained phosphoserine and β-amino-isobutyric acid and total amounts was 0.09 mg/g. β-amino-isobutyric acid was in the hot water. The finding supports that C. versicolor fruitbody extracts from hot water and methanol are useful to basic information in nutritional and functional materials.
만성 염증성 탈수초성 다발신경병증과 헤노흐-쇤라인 자반증을 동반한 강직성 척추염
최병용 ( Byoong Yong Choi ),권현미 ( Hyun Mi Kwon ),성정준 ( Jung Jun Sung ),박성혜 ( Seong He Park ),송영욱 ( Yeong Wook Song ) 대한내과학회 2012 대한내과학회지 Vol.83 No.4
Peripheral nervous system dysfunction is a rare complication in Henoch-Schonlein purpura, but it tends to recover spontaneously without treatment. A 78-year-old man who had ankylosing spondylitis presented with Henoch-Schonlein purpura associated with progressive sensorimotor polyneuropathy. He was diagnosed with chronic inflammatory demyelinating polyneuropathy, which did not improve despite intravenous immunoglobulin therapy. We describe a case of Henoch-Schonlein purpura, accompanied by chronic inflammatory demyelinating polyneuropathy in a patient with ankylosing spondylitis. (Korean J Med 2012;83:538-542)
운지버섯(Coriolus versicolor) 자실체 조 추출물의 항산화 활성 및 생리활성 연구
최병용(Choi, Byeong Yong),이형환(Hyung H. Lee) 한국산학기술학회 2016 한국산학기술학회논문지 Vol.17 No.8
본 연구는 운지버섯 자실체의 열수추출물(HE)과 메탄올 추출물(ME)의 총 polyphenol과 flavonoid 함량과 일부 생리 활성을 2015년 3월부터 2016년 2월에 조사하였다. 자료 분석은 SPSS 2.0을 이용하였다. 연구결과는 HE의 총 polyphenol 함량(129.60 mg/dl)은 ME함량(43.80 mg/dl)보다 85,8 mg/dl가 더 높았으며, 열수에서 추출이 더 높았다. HE의 총 flavonoid 함량(30.50 mg/dl)은 ME함량(20.90 mg/dl)보다 9.5 mg/dl가 더 높았다. DPPH의소거활성은 HE 1 mg/ml에 비해서 3 mg/ml에 서는 41.03%가, ME 1 mg/ml에 비해서 3 mg/ml에서는 16.36%로 더 높았으며, Tyrosinase저해활성은 HE 1 mg/ml에 비해서 3 mg/ml에서는 8.29%, ME 3 mg/ml에서는 10.32%가 더 높았고, Elastase 저해활성은 HE 1 mg/ml에 비해서 3 mg/ml에서는 3.12%가, ME에서는 21.53%가 더 높았다. Collagenase저해활성은 HE 1 mg/ml에 비해서 3 mg/ml에서는 5.44%가, ME에서는 4.07%로 더 높았다. 상기 효소활성은 모두 추출액농도증가에 비례하여 활성이 증가하였다. 결론적으로 상기의 두 종류의 추출물은 항산화 및 생리활성기능을 나타내어 피부의 주름의 완화제로서 유용하다고 판단되었다 In this research, the total polyphenol and flavonoid contents in the hot water extract (HE) and methanol extract (ME) of the Coriolus versicolor fruiting body and their partial bioactivities were investigated from March, 2015 to February, 2016. For the analysis of the data, the software used was SPSS 2.0. The results indicate that the total polyphenol content in the HE (129.60 mg/dl) was 85,8 mg/dl higher than that in the ME (43.80 mg/dl). The total flavonoid content in the HE (30.50 mg/dl) was 9.5 mg/dl higher than that in the ME (20.90 mg/dl). The DPPH scavenging activities of the HE and ME at a concentration of 3 mg/ml were 41.03% and 16.36% higher than those at a concentration of 1 mg/ml. The tyrosinase inhibitory activities of the HE and ME at a concentration of 3 mg/ml were 8.29% and 10.32% higher than those at a concentration of 1 mg/ml. The elastase inhibitory activities of the HE and ME at a concentration of 3 mg/ml were 3.12% and 21.53% higher than those at a concentration of 1 mg/ml. The collagenase inhibitory activities of the HE and ME at a concentration of 3 mg/ml were 5.44% and 4.07% higher than those at a concentration of 1 mg/ml. In conclusion, these two kinds of extracts are judged to be useful as skin wrinkle relaxants, due to their anti-oxidative and bioactive functions.
최중대 ( Choi Joong Dae ),양재의 ( Yang Jae E ),김도환 ( Kim Do Hwan ),최병용 ( Choi Byung Yong ),최경진 ( Choi Kyoung Jin ),박지성 ( Park Ji Sung ) 한국농공학회 1999 한국농공학회 학술대회초록집 Vol.1999 No.-
Stream and groundwater qualities of two rural watersheds in the upper North Han river basin were monitored for 14 months. Six to eight stream sampling sites and two to three groundwater monitoring wells were chosen and water samples were regularly collected and analyzed with respect to total nitrogen (T-N), total phosphorus (T-P) and total suspended solids (TSS). Monitored data were graphically analyzed with respect to time. Rainfall amount and intensity seemed to have an impact on stream T-N and T-P concentration changes. TSS concentrations were generally lower than the first class stream water quality standard. Both stream and groundwater qualities near livestock feetlot areas were degraded, indicating the feedlots have an impact on water quality.
최중대 ( Choi Joong Dae ),장석오 ( Jang Seok Oh ),김도환 ( Kim Do Hwan ),최병용 ( Choi Byung Yong ),최경진 ( Choi Kyoung Jin ),박지성 ( Park Ji Sung ),류순호 ( Yoo Sun Ho ) 한국농공학회 1999 한국농공학회 학술대회초록집 Vol.1999 No.-
The effects of nonpoint source pollutants from a small agricultural alluvial watershed on groundwater quality were investigated and analyzed in this study. Water quality factors of pH, electric conductivity (EC), total nitrogen (T-N), nitrate nitrogen (NO<sub>3</sub>-N), ammonium nitrate (NH<sub>4</sub>-N), and total phosphorus (T-P) concentrations were monitored at the watershed located in Shinbook-myon, Chunchon, Kangwon-do, Korea for 2 years. Groundwater samples of about 2 liters from 7 to 20 farm wells were regularly collected and analyzed with respect to the water quality factors which were again analyzed with respect to time and land uses of residential, agricultural, livestock feedlot, greenhouse, and natural areas.