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C3H 생쥐에서 자외선 B의 집중조사와 분할조사가 표피내 랑게르한스 세포의 회복에 미치는 영향
구상완,한승경,박윤기,조무연 ( Sang Wahn Koo,Seung Kyung Hann,Yoon Kee Park,Moo Yon Cho ) 대한피부과학회 1991 대한피부과학회지 Vol.29 No.4
N/A The Effect on the Recovery of Epidermal Langerhans Cells in C3H Mice after Single and Fractionated Exposure of Ultraviolet B Irradiation Sang-Wahn Koo, M.D., Seung Kyung Hann, M.D., Yoon-Kee Park, M.D., Moo Yon Cho, M.D. Department of Dermatology, Yonsei University College of Medicine Seoul, Korea The study was undertaken to see the recovery in epidermal Langerhans cells in relation to time after UVB irradiation through different amounts and ways of exposure in C3H mice. We irradiated the ears of C3H mice with UVB 200mJ/㎤ and 400mJ/㎤ in a single dose at one time and 5 fractionated doses for 5 days and 10 fractionated doses for 10 days and performed biopsies on the ears of the control and experimental groups after, 2, 7, 14, 21 days of irradiation and stained them by the immunoperoxidase method. The results are summarized as follows. 1. A more significant decrease in the number of Ia-positive epidermal Langerhans cells was observed in single-dose-exposed group than fractionated-dose-exposed groups on the second day of irradiation. 2. On the seventh day of exposure, the number of the Ia-positive epidermal cells in single-dose-exposed group returned to normal, but in fractionated-dose-exposed groups the number of Langerhans cells decreased most remarkably. 3. In fractionated-dose-exposed groups, the number of Langerhans cells returned to normal on the 14th or 21st day of expposure. (Kor J Dermatol 29(4) : 459-465, 1991)
전영은 ( Young Eun Jeon ),윤명근 ( Myoung Kun Yoon ),김성주 ( Sung Joo Kim ),장봉림 ( Pong Rheem Jang ),강정배 ( Jung Bae Kang ),박영한 ( Young Han Park1 ),임채춘 ( Chae Chun Rhim ),민수기 ( Soo Kee Min ) 대한주산의학회 2006 Perinatology Vol.17 No.1
Uterine arteriovenous malformations are very rare but potentially life threatening lesions. These lesions may be congenital or acquired, but especially occur in patients with a history of curettage, abortion or pregnancy. Color doppler ultrasonography is the preferred method of diagnosing of arteriovenous malformations. In many cases, hysterectomies are performed. But if patients want pregnancies, embolization therapy and conservative treatment are effective therapy. We have experienced a clinical case of uterine arteriovenous malformation, which is presented with a brief review of literature.
Park, Jeong-Uck,Hwang, Sang-Gu,Moon, Ja-Young,Cho, Yoon-Kweon,Kim, Dong-Wan,Jeong, Yong-Kee,Rhee, Kwang-Ho The Microbiological Society of Korea 2000 The journal of microbiology Vol.38 No.4
Pathogenic Salmonella typhimurium can invade the intestinal epithelium and cause a wide range of diseases including gastroenteritis and bacteremia in human and animals. To identify the genes involved in the infection, the invasion determinant was obtained from S. typhimurium 82/6915 and was subcloned into pGEM-7Z. A subclone DHl (pSV6235) invaded HEp-2 and Chinese hamster ovary epithelial cells and contained a 4.4 kb fragment of S. typhimurium genomic region. Compared with the host strain E. coli DHl, the subclone DHl (pSV6235) invaded cultured HEp-2 and Chinese hamster ovary cells at least 75- and 68-fold higher, respectively. The invasion rate of E. coli DHl for the cells significantly increased by harbouring the genomic region derived from pathogenic S. typhimurium 82/6915.