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건뇌양(健腦揚)과 단미(單味)들이 Hypoxia-Reoxygenation에 의해 손상받은 Mouse Neuroblastoma 2a Cells에 미치는 영향(影響)
염창섭,김종우,강철훈,황의완,Yeum, Chang-Sub,Kim, Jong-Woo,Kang, Chul-Hun,Whang, Wei-Wan 대한한방신경정신과학회 2005 동의신경정신과학회지 Vol.16 No.2
Object : This study was designed to asses the effect of Kunnuetang and herbs on Mouse neuroblastoma 2a cells damaged by hypoxia-reoxygenation. Method : Mouse neuroblastoma 2a (N2a) cells were measured by MTT assay and LDH assay after 48h hypoxia and 6h reoxygenation. Mouse neuroblastoma 2a (N2a) cells were treated by Kunnuetang, Duchang and Daejo. Result : 1. Kunnuetang, was effective on LDH assay of hypoxia and reoxygenation. 2. Duchang and Daejo were generally effective on LDH assay of hypoxia and reoxygenation. 3. In MTT assay of hypoxia Kunnuetang was not effective. Duchung and Daejo were not generally effective on MTT assay, but in certain condition Herbs were effective. 4. In MTT assay of reoxygenation Kunnuetang and Daejo were not effective. But Duchung was effective in certain condition. Conclusion : The results suggest that Kunnuetang, Duchang and Daejo may have protective effect on vascular dementia and ad patient.
Benfuracarb 원제에 함유된 불순물들의 glutathione-S-transferase와 amidase 저해 특성
염창섭(Chang-Sub Yum),김성문(Songmun Kim),유지숙(Ji Sook Yu),허장현(Jang-Hyun Hur) 한국농약과학회 2002 농약과학회지 Vol.6 No.1
Objectives of this study were to determine if impurities in technical grade benfuracarb inhibit glutathione-S-transferase and amidase and to identify structures of impurities in technical grade benfuracarb. Technical grade benfuracarb, active ingredient, and impurity inhibited glutathione-S-transferase, and their I?? were 9.7×10?⁴ M, >1.0×10?³ M, 1.8×10?⁴ M, respectively. Such inhibition, however, was not higher than that by ethacrynic acid, a selective inhibitor to GST. Technical grade benfuracarb, active ingredient, and impurity also inhibited amidase, and their I?? were 6.0×10?? M, 4.3×10?⁴ M, 7.6×10?? M, respectively. Our results show that the inhibition of both detoxifying enzymes by impurities in benfuracarb was 10-fold lower than that by active ingredient, suggesting that both active ingredient and impurities are involved in the inhibition of both detoxifying enzymes. Of four impurities (IM 1~4) that were separated from technical grade benfuracarb, IM 2 and IM 3 inhibited GST and amidase. Based on data from IR, ¹H-NMR, ¹³C_NMR and MS, it was determined that IM 2 is ethyl-N-isopropylamino propionate and IM 3 is ethyl-N-isopropyl-N-(chlorosulfenyl)aminopropionate.
유리공장 이식을 이용한 인두 및 경부식도 재건술의 결과
추무진,염창섭,김용진,진홍률,문구현,박진우,Choo, Moo-Jin,Yum, Chang-Seop,Kim, Yong-Jin,Jin, Hong-Ryul,Mun, Goo-Hyun,Park, Jin-Woo 대한기관식도과학회 2000 大韓氣管食道科學會誌 Vol.6 No.1
The reconstruction for the pharynx and cervical esophagus after wide resection in essential procedures and the several methods have the reported. Each method has advantages and disadvantages relatively. Five cases of free jejunal graft were analyzed retrospectively for the reconstruction of pharynx and cervical esophagus at Chungbuk National University Hospital from May 1996 through December 1998. Primary sites were one oropharyngeal cancer, three hypopharyngeal cancers and one subglottic cancer involved the cervical esophagus. Two grafts had necrosis. Postoperative minor complications were dysphagia, fistula, stricture of anastomosis site, and pneumonia in the order. There were not possible voice rehabilitation in three success cases.