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송은석,이해혁,김태희,김정식,남계현,이권해,고은석 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Prolapse of the fallopian tube into the vaginal vault after hysterectomy is a rare complication. Since most of cases may resolve before detection or remain undiagnosed, the exact incidence is still unknown. Though most common sign of tubal prolapse is tender friable tissue in vaginal cuff, with the simptoms of lower abdominal pain, dysparenunia, vaginal discharge, or postcoital spotting. The definitive diagnosis should be confirmed histologically Recently, we experienced a case of fallopian tube prolapse after abdominal hysterectomy in a 41-year-old woman and report with a brief review of the literature.
p-(p'-Hydroxy phenylazo)-benzoic의 합성과 LB막 특성에 관한 연구
박태곤,송경호,박근호 國立 昌原大學校 産業技術硏究所 1993 産技硏論文集 Vol.7 No.-
The Synthesis of p-(p'- Hdroxyl phenly azo)- benzoic acid was studied to get optimized conditions. The spectrum of the product of reaction containing azobenzene chromophores was investigated by using ultraviolet spectrophotometery in acetone solvent at room temperature. In addition, UV absorption spectra of langmmuir Blodggett film deposited on quartz plate was measured, and the structure of these compounds were ascertained by measuring the ultraviolet and infrared spectra. Recrystallization of reaction product in the solvent( water:methanlo:acetone) atmosphere results 68% p-(p'- Hdroxyl phenly azo)-benzoic acid yield and the melting point of that was about 254-267°C (decomposition). The LB film of azobenzene derivatives with long alkyl chains shows some possibility to be applied to functional molecular devices such as photomemory and lignt switching
조태현,송준혁,김명현,박향권,김성학,신규만,박동빈 梨花女子大學校 醫科大學 醫科學硏究所 2000 EMJ (Ewha medical journal) Vol.23 No.3
Objectives : Lumbar disc herniations at the L1-L2, L2-L3, and L3-L4 level are rare. The purpose of this study is to observe the variable clinical finding of upper lumbar disc herniations and to provide proper treatment modality. Patients and Methods : Between 1998 Jan. and 1999 Dec., seventeen patients with upper lumbar disc herniations who were undergone surgery in our institute were retrospectively evaluated. Patients were evaluated based on following factors : age, sex, aggravating factor, symptoms and signs type of disc herniation, type of surgery, and outcome of post-surgery. Results : The incidence of lumbar disc herniation at the level of L1-2, L2-3 and L3-4 is 6.1% with declining frequency as the level ascends. The peak age incidence is 6th decade in both sex. Preoperative symptomes and signs are variabe. In sixteen cases, posterior approach was done. In these cases, twelve cases were performed microscopic partial hemilaminectomy, and four cases with spinal stenosis were performed total laminectomy and posterior screw fixation with bone fusion. In one case, lateral extracavitary approach was done. In results of operation, fourteen cases showed more than good grade(82%). Conclusion : The age incidence of lumbar disc herniations at the level of L1-2, L2-3 and L3-4 older than lumbar disc herniations at the lower level of L4-5 and L5-S1. The signs and symptoms are variable. In our cases, most of the patients were performed posterior approach with microscopic partial hemilaminectomy except the patients combined spinal stenosis. One case was performed a lateral extracavitary approach because the risk of the cord and cauda equina injuries. The prognosis of upper lumbar disc herniations after treatment with only microscopic partial hemilaminectomy and diskectomy is comparable with the prognosis of lumbar disc herniations at the lower level.
염료착색 기질을 이용한 IEF gel에서(1-3)-β -glucanase 동위효소의 검출
Song Joong Yun,Myong Chul Lee,In Sook Kwon,Tae San Kim,Seung Joo Go 韓國作物學會 1994 Korean journal of crop science Vol.39 No.2
(1-3)-β-glucanase 동위효소의 발현 양상을 등 전점 전기영동 젤에서 직접 검출 확인할 수 있는 방법을 개발하였다. 개발된 방법은 시판되고 있는 (1-3)-β-glucanase활성 측정용 염료착색 기질을 이용하였다. 본 방법은 신속, 간편하며 보리 종자에서 발현되는 것으로 알려져 있는 모든 (1-3)-βglucanase 동위효소를 검출할 수 있을 정도로 민감하고 특이적이었다. 시판되고 있는 Penicillium(1-3)-β-glucanase에 대한 활성 검출 한계단위는 50 u U 정도로 추정되었다. 따라서, 본 방법은 특별한 시설이나 연구 인력을 확보하고 있지 않는 연구실에서 식물체의 (1-3)-β-glucanase발현에 대한 단백질 수준에서의 연구를 수행하는데 유용하게 이용될 수 있을 것으로 생각된다
Go, Jun,Kim, Ji Eun,Koh, Eun Kyoung,Song, Sung Hwa,Kang, Hyun Gu,Lee, Young Hee,Kim, Han Do,Hong, Jin Tae,Hwang, Dae Youn Medknow PublicationsMedia Pvt Ltd 2017 Pharmacognosy magazine Vol.13 No.50
<P><B>Background:</B></P><P>Gall (Galla Rhois [GR]) is known to have antibacterial, anti-inflammatory, antimetastatic, and anti-invasion activities and exert hepatoprotective effects. However, the hepatoprotective effects of gallotannin-enriched GR (GEGR) and their mechanisms have not yet been investigated.</P><P><B>Objective:</B></P><P>The potential protective effect of GEGR against hepatotoxicity induced by hydrogen peroxide (H<SUB>2</SUB>O<SUB>2</SUB>) was investigated.</P><P><B>Materials and Methods:</B></P><P>Changes in cell viability, apoptosis protein expression, and reactive oxygen species (ROS) generation were determined in HepG2 cells that were pretreated with four different concentrations of GEGR (6.25–50 μg/ml) for 24 h before H<SUB>2</SUB>O<SUB>2</SUB> exposure.</P><P><B>Results:</B></P><P>GEGR consisted of gallotannin (69.2%), gallic acid (26.6%), and methyl gallate (4.2%) and showed remarkable 2,2-diphenyl-1-picrylhydrazyl scavenging activity (inhibitory concentration 50% = 0.212 μg/ml). The lethal dose 50% and effective dose 50% values for the response of HepG2 cells to GEGR were determined to be 178 and 6.85 μg/ml, respectively. Significant reductions in the immunofluorescence intensity indicating apoptosis were also detected in the nuclei of HepG2 cells stained with 4’,6-diamidino-2-phenylindole and Annexin V after GEGR treatment. The Bax/Bcl-2 ratio and active caspase-3 level were higher in H<SUB>2</SUB>O<SUB>2</SUB> + vehicle-treated cells. However, these levels gradually decreased to those of the No-treated group in the GEGR pretreated group even though little or no decrease was observed in response to low GEGR concentrations. Furthermore, the GEGR pretreated group showed a reduced level of 2’,7’-dichlorofluorescein diacetate stained cells, indicating ROS generation relative to the H<SUB>2</SUB>O<SUB>2</SUB> + vehicle-treated group.</P><P><B>Conclusion:</B></P><P>The results of this study provide strong evidence that GEGR can prevent cell death induced by H<SUB>2</SUB>O<SUB>2</SUB> in HepG2 cells through the induction of antioxidant conditions.</P><P><B>SUMMARY</B></P><P><P>The gallotannin (69.2%), gallic acid (26.6%), and methyl gallate (4.2%) are the main constituents of water extracts of GR</P><P>GEGR was more potent in DPPH scavenging, and gallotannin contributes to this extract activity</P><P>GEGR significantly reduced the increase of apoptosis, Bax/Bcl-2 ratio, and active caspase-3 level after H2O2 treatment</P><P>GEGR pretreatment showed protection against H<SUB>2</SUB>O<SUB>2</SUB>-induced ROS production in DCFH-DA staining analysis.</P></P> >[FIG OMISSION]</BR><P><B>Abbreviations used:</B> COX: Cyclooxygenase; DAPI: 4’,6-diamidino-2-phenylindole; DMSO: Dimethyl sulfoxide; DPPH: 2,2-diphenyl-1-picrylhydrazyl; GEGR: Gallotannin-enriched Galla Rhois; GR: Galla Rhois; HPLC: High-performance liquid chromatography; H<SUB>2</SUB>O<SUB>2</SUB>: Hydrogen peroxide; MMP: Metallopeptidase; MTT: 3-(4,5 dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide; ROS: Reactive oxygen species; UV-Vis: Ultraviolet-visible.</P>
Song, Sung Hwa,Seong, Keum Yong,Kim, Ji Eun,Go, Jun,Koh, Eun Kyoung,Sung, Ji Eun,Son, Hong Joo,Jung, Young Jin,Kim, Hye Sung,Hong, Jin Tae,Hwang, Dae Youn UNKNOWN 2017 INTERNATIONAL JOURNAL OF MOLECULAR MEDICINE Vol.39 No.5
<P>The aim of this study was to investigate the therapeutic effects of three different cellulose membranes (CMs) manufactured from <I>Styela clava</I> tunics (SCTs) on the healing of cutaneous wounds. We examined the physical properties and therapeutic effects of three CMs regenerated from SCTs (referred to as SCT- CMs), including normal CM (SCT-CM), freeze-dried SCT-CM (FSCT-CM) and sodium alginate-supplemented SCT-CM (ASCT-CM) on skin regeneration and angiogenesis using Sprague-Dawley (SD) rats. FSCT-CM exhibited an outstanding interlayered structure, a high tensile strength (1.64 MPa), low elongation (28.59%) and a low water vapor transmission rate (WVTR) compared with the other SCT-CMs, although the fluid uptake rate was maintained at a medium level. In the SD rats with surgically wounded skin, the wound area and score of wound edge were lower in the FSCT-CM-treated group than in the gauze (GZ)-treated group on days 3–6 and 12–14. In addition, a significant attenuation in the histopathological changes was observed in the FSCT-CM-treated group. Furthermore, the expression level of collagen-1 and the signaling pathway of transforming growth factor (TGF)-β1 were significantly stimulated by the topical application of FSCT-CM. However, no signs of toxicity were detected in the livers or kidneys of the three SCT-CM-treated groups. Overall, our data indicate that the FSCT-CM may accelerate the process of wound healing in the surgically wounded skin of SD rats through the regulation of angiogenesis and connective tissue formation without inducing any specific toxicity.</P>