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Spontaneous infection of Capillaria hepatica in wild rats(Rattus norvegicus) of Korea
성제경,윤영민,한정희,이준섭,오양석,Seong, Je-kyung,Yun, Young-min,Han, Jeong-hee,Lee, Joon-sup,Oh, Yang-seok The Korean Society of Veterinary Science 1998 大韓獸醫學會誌 Vol.38 No.3
춘천지역에서 포획한 한국 야생랫드(시궁쥐)에서 Capillaria hepatica에 자연감염된 예를 보고한다. Capillaria hepatica의 충란이 포획된 68마리의 랫드중 17마리에서 발견되었다. Capillaria에 감염된 랫드의 간장은 충란과 함께 림프구, 단핵구, 호산구의 침윤이 관찰되었고 심한 괴사소견을 보였다. 또한 섬유화, 출혈 hemosiderin의 침착이 뚜렷하게 관찰되었다. 최근 국내에서 자연에서 채집된 랫드의 Capillaria hepatica의 감염을 보고한 자료가 없는 것으로 미루어 Capillaria hepatica의 숙주감염을 파악하는 자료로 활용될 수 있을 것이다.
성제경,윤영민,박지영,오승현,도선길,진희경,현병화,서준교,오양석,Seong, Je-Kyung,Yun, Young-min,Park, Ji-young,Oh, Seung-hyun,Do, Seon-gil,Jin, Hee-kyung,Hyun, Byung-hwa,Suh, Jun-gyo,Oh, Yang-seok 대한수의학회 1999 大韓獸醫學會誌 Vol.39 No.5
The morphometrical characteristics such as external measurements and mandible size assessment in mice and rats have to be highly heritable and sufficiently variable between strains in order to calculate a strain specific profiles. The coat color of Korean wild rats were observed and morphometric analysis of external measurements were carried out on Korean wild rats compared to laboratory strains in order to clarify the genetic characteristics of Korean wild rats and to establish background data as a domestication of Korean wild rats for new laboratory strain. Korean wild rats were captured from Chunchon and Hoengsong. 4 inbred and 1 outbred strains of rats were used in this study for the comparison of genetic characteristic of Korean wild rats. Total body length, head length, tail length, hind foot length and ear length were measured and then statistical analysis were carried out by discrimiant analysis. The coat color of Korean wild rat showed golden white in ventral portion and dark agouti in dorsal portion. Korean wild rats could be distinguished from the other laboratory strains distinctly by morphogenetical analysis. There was significant variations among Korean wild rat compared to those of the other laboratory strains of rat. This study may provide that Korean wild rats have a unique genetic characterization compared to those of other inbred strains of rats based on morphogenetical characteristics by external measurements.
성제경,김도균,최근호,오승현,김길수,이승숙,엄홍덕 생화학분자생물학회 2002 Experimental and molecular medicine Vol.34 No.5
TNF-related apoptosis-inducing ligand (TRAIL/Apo- 2L), a newly identified member of the TNF family promotes apoptosis by binding to the transmem-brane receptors (TRAIL-R1/DR4 and TRAIL-R2/ DR5). TRAIL known to activate NF-κB in number of tumor cells including A549 (wt p53) and NCI- H1299 (null p53) lung cancer cels exerts relati-tumor cel lines without much effect on the normal cels. We set out to identify an agent that would sensitize lung cancer cels to TRAIL-induced apo-ptosis through inhibition of NF-κB activation. We found that triptolide, an oxygenated diterpene ex-tracted and purified from the Chinese herb Tri-pterygium wilfordi sensitized A549 and NCI-H1299 cels to TRAIL-induced apoptosis through inhibi-tion of NF-κB activation. Pretreatment with MG132 which is a well-known NF-κB inhibitor by blocking degradation of IκBα also greatly sensitized lung cancer cels to TRAIL-induced apoptosis. Tripto-lide did not block DNA binding of NF-κB activated by TRAIL as in the case of TNF-α. It has ben already proven that triptolide blocks transactiva-tion of p65 which plays a key role in NF-κB acti-vation. These observations suggest that triptolide may be a potentialy useful drug to enhance
Helminths in Rattus norvegicus captured in Chunchon, Korea
성제경,허선,이준섭,오양석,SEONG, Je-Kyung,HUH, Sun,Lee, Joon-Sup,OH, Yang-Seok The Korean Society for Parasitology 1995 The Korean Journal of Parasitology Vol.33 No.3
We report helminthic infections in the liver and intestine of Rattus norvegicus captured in Chunchon, Korea from April to October 1994. Out of 43 examined rats, eggs of Capillaria hepatica were found in 11, Hymenolepis diminuta in 14 and Taenia taeniaeformis metacestodes in 28. Those rats can be cources of zoonotic infections in the curveyed area. 1994년 4월 부터 10월까지 춘천시내 한 동물농장에서 시궁쥐를 잡아 간파 장에서 윤충의 감염상 태를 조사하였다. 모두 43마리 가운데서 간모세선충 11예 축소조충 14예 고양이조충의 조충애벌레(metacestode)가 28예에서 발견되었다. 이 시궁쥐들은 조사 지역의 인수공통감염증의 원천이 될 수 있다.