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금은화 Ethyl Acetate분획이 인체 구강유상피암종세포에 미치는 항암효과
백경현,한두석 원광대학교 생체재료·매식연구소 1997 원광생체재료·매식 Vol.6 No.2
This study was carried out to develop antitumor agents based on effects of the ethyl acetate soluble fraction of methanolic extract of Lonicerae flos on human oral epitheloid carcinoma cells. Human oral epitheloid carcinoma cells were cultured in RPMI-1640 media containing 10% fetal bovine serum, antibiotic, and fungizone. After incubation for 24 hr, the cells were treated with each fraction for 48 hr under the same condition. MTT (3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide), NR (Neutral red) and SRB (Sulforhodamine B protein) assay were performed. The light microscopic findings were observed by inverted microscope. These results were obtained as follows; 1. In MTT assay, fraction B was shown significant antitumor activity (p<0.01), fraction E was shown significant antitumor activities (p<0.05), but the other fractions were not shown. 2. In NR assay, fraction B was shown significant antiumor activity (p<0.001). 3. In SRB assay, fraction B was shown significant antitumor activities (p<0.01), fractions A and D were shown significant antitumor activities (p<0.05), but the other fractions were not shown. 4. In light microscopy, fraction B of the ethyl acetate soluble fraction showed the highest antitumor activity on Lonicerae flos. These findings suggested that fraction B possessed the most antitumorous agent.
한종현,백승화,김일광,한두석 圓光大學校 韓醫學硏究所 1993 원광한의학 Vol.3 No.1
In order to investigate the cytotoxicity of Lonicerae Flos extract, their extracts were dissolved in distilled water and methanol. All material diluted from 10^-3to 10^-7(㎎/㎖) with distilled water putted in each well of 24 multidish cultured rat fibroblast for 48hours. The cell number was calculated at 2 days and cell shape takes photographed by inverted microscope at same day. The results were as follows: 1. The rate of cell multiplication was the lowest in water extract from 10^-3 to 10^-7(㎎/㎖) concentration and the highest in ether and hexane extract at 10^-7(㎎/㎖) concentration. 2. Index of cytotoxicity was the highest with 3 score in water extract at 10^-3(㎎/㎖) concentration and the lowest with 1 score in ether, ethyl acetate or hexane extract at same concentration. 3. The degeneration of cell shape and number was the severest in water extract of 10&-4(㎎/㎖) concentration, but ether and hexane extracts in same concentration were weaker than water extract. These results indicate that the cytotoxicity of extracts by ether and hexane from same Lonicerae Flos was weaker then water extract.
최두환,구시선,배승훈,박병현,안선호,송주흥 圓光大學校 醫科學硏究所 1996 圓光醫科學 Vol.12 No.2
To elucidate the incidences and the clinical characteristics of glomerular diseases in our hospital, we reviewed the clinical records and histological findings of the 117 cases, which were diagnosed as one of the glomerular disease in renal biospy for about 6 years since 1991. In these 117 cases, 74 cases (63.2 %) fell into primary glomerulonephritis(GN), 18 cases (15.4%) into secondary GN, 2 cases (1.7 %) into end stage kidney, 4 cases (3.4%) into tubulointerstitial disease and the biopsy samples were inadequate for diagnosis in 19 cases. In primary glomerular diseases, most common pathologic diagnosis was IgA nephropathy (36.5 %}, followed by minimal change nephrotic syndrome (29.7%). The incidence of IgA nephropathy would be increased if we had biopsied every asymptomatic urinary abnormality (AUA) patients. Systemic lupus erythematosus (SLE) . hepatitis B accounted for most of secondary GN in our cases. One case of progressive scleroderma was included in this secondary GN. Minimal change nephrotic syndrome (22 cases) was the most common cause of nephrotic syndrome, followed by membranous GN (9 cases) and IgA nephropathy (8 cases). 2 cases of primary amyloidosis were presented with nephrotic syndrome. Nephrotic syndrome as presenting symptom in our IgA nephropathy patients was higher than in other studies, which may be due to indication bias for renal biopsy. We suggest that renal biopsy should be done in adult nephrotic syndrome and in SLE, because various kind of glomerular diseases can develop nephrotic syndrome in adult, renal biopsy can affect the treatment and prognosis in each patients and renal biopsy also determines the extent of renal involvement in SLE on which the treatment depends. In AUA urinary patients, renal biopsy could be reserved for the patients who show declining of GFR or rising of proteinuria. Because IgA nephropathy account for most of AUA. and there is no specific treatment for IgA nephropathy, and renal biopsy in those cases is helpful in ruling out the patients who need no treatment.
이태훈,이재백,양두현 대한응급의학회 2001 대한응급의학회지 Vol.12 No.4
Acute gastric dilatation without obstructive or organic disease is rare, but is possible after a gastric or an abdominal operation in cases of trauma, retroperitoneal hematoma, diabetic gastroparesis, hypoxemia, electrolyte imbalance, etc. However ischemic necrosis due to acute gastric dilatation is very rare and has been reported only in patients who has anorexia nervosa or overeat suddenly. If the distended stomach is not decompressed successfully by using a conservative method or if the process proceeds to ischemic necrosis, operative treatment is necessary. We experienced a case in which the stomach was acutely distended, and mutiple ischemic necroses had developed. The patient was a 27-year-old woman and had no specific underlying disease in her medical history. After overeating, the stomach was distended acutely. During the operation, mutiple ischemic necroses were found in the stomach. A total gastrectomy and Roux-en-Y esophagojejunostomy were performed.
Du-Han Kim,Beom-Soo Kim,Chung-Sin Baek,Chul-Hyun Cho 대한견주관절의학회 2020 대한견주관절의학회지 Vol.23 No.1
Background: High complication rate after open reduction and internal fixation can lead to use of primary total elbow replacement (TER) in treatment of complex distal humerus fractures in elderly patients. The purpose of this study was to investigate the short-term outcomes and complications after primary TER in patients with complex distal humerus fracture. Methods: Nine patients with acute complex distal humerus fracture were treated by primary TER using the semiconstrained Coonrad-Morrey prosthesis. The mean age of patients was 72.7 years (range, 63-85 years). Clinical and radiographic outcomes were evaluated over a mean follow-up of 29.0 months (range, 12-65 months) using visual analog scale (VAS) score for pain; Mayo elbow performance score (MEPS); Quick Disabilities of the Arm, Shoulder, and Hand (Quick-DASH) score; and serial plain radiographs. Complications were also evaluated. Results: At the final follow-up, mean VAS, MEPS, and Quick-DASH scores were 1.2, 80.5, and 20, respectively. The mean range of motion was 127.7° of flexion, 13.8° of extension, 73.3° of pronation, and 74.4° of supination. There was no evidence of bushing wear or high-grade implant loosening on serial plain radiographs. Three complications (33.3%) comprising two periprosthetic fractures and one ulnar neuropathy were observed. Conclusions: Primary TER for treatment of complex distal humerus fractures in elderly patients yielded satisfactory short-term outcomes. However, surgeons should consider the high complication rate after primary TER.