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위선암에서 p53 단백의 과발현과 임상 및 병리학적 예후인자와의 상관관계
서병조,유항종,이주호,주미,이혜경,김진복 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.2
Objective: Mutations in the p53 gene, one of the most common genetic alterations in human cancer, are implicated in tumorigenesis and tumor progression. Wild-type p53 negatively regulates the cell cycle; a loss of function by mutation might be expected to result in enhanced proliferating activity and tumor progression. A large number of immunohistochemical studies have confirmed p53 accumulation to be a very common feature of human malignancy. The aim of the present study was to determine whether p53 status in gastric cancer is correlated statistically with various histopathological indicators or not. Methods and Materials: A total of 197 surgically resected gastric adenocarcinomas were examined to determine whether a correlation exited between immunohistochemical expressions of the p53 protein and other histopathological factors. Results: p53 overexpression was observed in 46.2% of the gastric cancers. Overexpression of p53 was correlated with vascular invasion of gastric cancer(p=0.004). In early gastric cancer, the p53 overexpression rate was 42.3%, and of them, a correlation was found between the intestinal type of the Lauren classifcation(p=0.013) and histologically differentiated gastric cancer(p=0.014). Conclusion: p53 overexpression was significantly correlated with vascular invasion of gastric cancer. In cases of early gastric cancer, p53 overexpression was correlated with Lauren classification and differentiation. These results suggest that p53 mutation plays an important role in carcinogenesis in gastric adenocarcinomas. Further study in needed to determine the correlation between p53 overexpression and the prognosis for the gastric cancer patient.
요로감염이 의심되는 환자의 소변검체에서 분리된 Escherichia Coli O26의 임상적 의의
유항조 ( Hang Jo Yoo ),주원덕 ( Won Duk Joo ),김미령 ( Mi Ryung Kim ),이수정 ( Soo Jeong Lee ),구본상 ( Bon Sang Koo ),정윤성 ( Joseph Jeong ),이선호 ( Seon Ho Lee ),김성률 ( Sung Ryul Kim ) 대한산부인과학회 2008 Obstetrics & Gynecology Science Vol.51 No.9
목적: 대장균에 의한 요로감염은 중증 질환의 출발점이 되는 경우가 적지 않고, 현재 non-O157 strain이 증가하고 있는 추세이며, 그 중 O26이 가장 흔한 type으로 알려져 있어, 본 연구에서는 E. coli O26 균주가 소변에서 검출될 경우의 임상적 의의를 조사하고자 하였다. 방법: 2005년 1월부터 2007년 12월까지 3년간 요로감염이 의심되는 경우, 소변배양에서 동정된 E. coli 175개 검체를 분석하였다. 균동정은 주로 MacConkey media에서 배양된 집락으로 균액을 만든 후 Vitek 1 (BioMeriaux Vitek Inc., MO., USA)으로 동정하였고, O157, O26, O111 진단용 항혈청 (National Institute of Health, Korea)으로 항혈청검사를 실시했으며, 응집반응을 보인 검체의 경우, 환자의 병력을 후향적으로 고찰하였다. 결과: 본원에 2005년부터 3년 동안, 산부인과에서 배양 의뢰한 모든 검체에서 자란 대장균은 총 331균주였으며, 이 중 요로감염이 의심되는 175개 검체를 대상으로 항혈청검사를 실시하여 O26만이 양성을 보인 경우는 22검체 (12.6%)가 있었다. 이들 검체 중, 수성 설사 (watery diarrhea), 용혈성 요독 증후군, 혈전성 혈소판감소성 자반증의 예는 8, 3, 2건으로 확인되었다. 결론: 요로감염이 의심되는 환자에서 대장균이 소변에서 배양될 경우 병원성이 있고 중증 합병증을 유발한 예가 있으므로, 대장균 균주 중, O157뿐만 아니라 O26에 대해서도 항혈청검사를 실시하여 보고하는 것이 유용할 것으로 판단된다. Objective: Escherichia coli (E. coli) O26 has been the most common type of non-O157 human isolates and it has been related with urinary tract infection and its sequelae. So we investigated the clinical significance of E. coli O26 among the cases of urinary tract infection. Methods: From January, 2005 to December, 2007, the 22 E. coli isolates that were related with urinary tract infection were analyzed. The isolates were identified biochemically by Vitek 1. We performed antisera test by O157, O26, O111 diagnostic antisera about the 22 E. coli isolates. We reviewed clinical history of the same patients retrospectively. Results: 331 E. coli isolates in the urine specimen were isolated from January, 2005 to December, 2007. 175 E. coli isolates that were related with urinary tract infection were analyzed by O157, O26, O111 antisera test. As a result, 22 isolates (13.5%) were O26 antisera positive. There were 8, 3, and 2 cases of watery diarrhea, hemolytic uremic syndrome, thrombotic thrombocytopenic purpura repectively. Conclusion: In our study, because E. coli O26 was pathogenic and developed major complications, we concluded that patients with urinary tract infection with E. coli. should examine the antisera test about E. coli O157 and O26.
미세먼지 자극에 의한 저온숙성 선인장 열매 추출물의 생리활성 연구
조항의(Hang-Eui Cho),강정욱(Jung-Wook Kang),최순호(Soon-Ho Choi),차영권(Young-Kwon Cha),유단희(Dan-Hee Yoo),김소은(So-Eun Kim),김효민(Hyo-Min Kim),최호민(Ho-Min Choi),조미래(Mi-Rae Jo),김지영(Jee-Yong Kim),이인철(In-Chul Lee) 한국인체미용예술학회 2020 한국인체미용예술학회지 Vol.21 No.1
Air pollutants can trigger various disorders in humans and induce skin aging effects, related cell death, and inflammation. This study demonstrated the effects of low temperature-fermented Opuntia Ficus-Indica Fruit extracts (LTOE) treated total suspended particles (TSP). LTOE induced the expression of pro-inflammatory cytokines such as tumor necrosis factor (TNF)-α, interleukin (IL)-8 without cytotoxicity. To investigate the anti-aging effect, LTOE inhibited the production of matrix metalloproteinase (MMP)-1 (collagenase) more than Opuntia Ficus-Indica Fruit extracts (OE) in TSP-treated Normal human fibroblast cells. This study reports the significant improvement of anti-inflammation and decrease of MMP-1 related to the LTOE, which will be helpful in processing cosmetic ingredients.
서병조,김태현,이주호,유항종,김진복 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.3
Benign papillary mesothelioma in peritoneum is very rare lesion which is often found incidentally in abdominal surgery. Gross findings are similar to dissemination of intraabdominal malignant lesion, so it is hard to make differential diagnosis between them. Benign papillary mesothelioma is not related with exposure of asbestos which is related with development of malignant mesothelioma. To make differential diagnosis between peritoneal seeding of malignant lesions and benign papillary mesothelioma, it is often necessary to do frozen biopsy during abdominal operation. The patient was 53-year-old man and was transferred to KGCC under the diagnosis of advanced gastric cancer in private clinic. In gastrofiberscopic examination. pylorus was completely obstructed with Borrman Ⅲ gastric cancer. Operation findings revealed complete obstruction of antrum and serosal invasion, enlargement of number 8 lymph node, 0.5㎝ sized multiple nodules in mesentery of small bowel and colon and frozen biopsies of nodules were made and no cancer cell was noted. We did radical subtotal gastrectomy with D2 lymph node dissection. Adjuvant chemotherapy with protocol(Picibanil 1.0K.E, Mitomycin 4㎎, 5-FU 500㎎) was started after 8 days of operation and discharged after 21 days of operation.