• 제목/요약/키워드: HT9

검색결과 453건 처리시간 0.029초

기분장애 및 기분관련장애에서 세로토닌 수용체 유전자 프로모터 다형성 (Serotonin(2A) Receptor Gene Promoter Polymorphism in Mood Disorder and Mood-Related Disorders)

  • 지익성
    • 생물정신의학
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    • 제9권1호
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    • pp.3-7
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    • 2002
  • Genes involved in the serotonin system are good candidates for the pathogenesis of mood disorder and mood-related disorders, such as eating disorder, obsessive-compulsive disorder, alcoholism, and suicide. Serotonin type 2A(5-HT2A) receptor gene promoter polymorphism(-1438A/G) has been reported. In this article, authors reviewed the literatures regarding association studies between -1438A/G and mood disorder and mood-related disorders. There are controversial results with limited data to date. Further researches on the -1438A/G in psychiatric disorders are required.

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무릇에서 분리한 nortriterpenoid glycoside의 암세포에 대한 세포독성 및 함량 분석 (Cytotoxicity and Quantitative Analysis of Nortriterpenoid glycoside from Scilla scilloides)

  • 이상명;전효곤;이충환;이호재;강진정;맹학영;고영희
    • 생약학회지
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    • 제32권3호통권126호
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    • pp.189-192
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    • 2001
  • Scillascilloside E-3 (1) and E-1 (2) were isolated from the bulbs of Scilla scilloides. The cytotoxic activities of these compounds were tested against murine (B16/F-10, 3LL) and human cancer cell lines (MCF7, PC-3, HT29, LOX-IMVI, A549 and HT1080). These compounds exhibited a significant cytotoxic activities against all tested cancer cells. Futhermore, the contents of 1 and 2 in S. scilloides are 43.2 and 27.9 mg/kg, respectively.

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Triterpenoids from Roots of Glycine max (L.) Merr

  • Lee, Jin-Hwan;Seo, Kwon-Il;Kang, Nam-Suk;Yang, Min-Suk;Park, Ki-Hun
    • Journal of Applied Biological Chemistry
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    • 제49권2호
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    • pp.51-56
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    • 2006
  • Metanolic root extract of Glycine max (L.) Merr. was chromatographed, affording three triterpenoids 1-3. The compound 3 was isolated from microorganism called Fusarium sporotrichioides but never been isolated from any plant sources. Compounds 1-3 showed cytotoxic activity against HT-59 human cancer cell line with $IC_{50}$ values of 62.9, 20.0, and $44.2{\mu}M$, respectively. Compound 3 showed significant activities against Gram-positive bacterial such as Bacillus cereus, Bacillus subtilis, and Staphylococcs aureus.

한약재 4종 복합추출물의 해마신경세포 보호를 통한 기억력 개선 (New Four-herb Formula Ameliorates Memory Impairments via Neuroprotective Effects on Hippocampal Cells)

  • 안성민;최영완;신화경;최병태
    • 생명과학회지
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    • 제26권4호
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    • pp.475-483
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    • 2016
  • 본 연구는 동의보감을 근거로 선별된 백수오, 지황, 원지 및 석창포로 구성된 복합추출물의 해마신경세포에 대한 보호 및 기억력의 개선효과를 살펴보았다. 복합추출물의 신경보호효과를 검증하기 위해 HT22해마신경세포의 생존율, 세포독성 및 활성산소를 분석하였으며, 허혈성 뇌손상 마우스모델을 이용하여 기억에 대한 동물행동학적 변화와 단백질 발현을 측정하였다. 해마신경세포에서 복합추출물의 전 처리는 glutamate에 의해 유도된 활성산소의 축적을 억제하였으며 세포사멸을 감소시켰다. 허혈성 뇌손상 마우스모델에서 복합추출물은 동물행동학적으로 공간 및 단기 기억능력을 개선시켰다. 뇌허혈로 인해 증가된 p38 MAPK의 인산화는 복합추출물에 의해 현저히 감소하는 반면, 감소된 PI3K와 CREB의 인산화는 현저히 증가하였다. 이를 면역조직화학분석을 통해 복합추출물을 투여한 그룹이 해마에서 발현되는 CREB의 인산화가 현저히 증가되는 것을 확인하였다. 이상의 결과는 복합추출물이 CREB 단백질과 관련된 신경보호 신호기전을 조절함으로써 인지기능을 개선시키는 것으로 사료된다.

DNA Topoisomerases I and II Inhibitory Activity and Cytotoxicity of Compounds from the Stems of Parthenocissus tricuspidata

  • Woo, Mi Hee;Zhao, Bing Tian;Tran, Manh Hung;Jeong, Su Yang;Ma, Eun Sook;Min, Byung Sun
    • Bulletin of the Korean Chemical Society
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    • 제34권9호
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    • pp.2675-2679
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    • 2013
  • Activity-directed isolation of the methylene chloride fraction from the stems of Parthenocissus tricuspidata have led to the identification of two new compounds (1-2): 1-(2',3',5'-trihydroxyphenyl)-2-(4"-hydroxyphenyl)-ethane-1,2-(E)-epoxide (1, tricuspidatin A) and erythro-1-(3',5'-dihydroxyphenyl)-2-(4"-hydroxyphenyl)-ethane-1,2-diol (2, tricuspidatin B), together with four known compounds (3-6): ${\beta}$-sitosterol (3), nonacosan-1-ol (4), 3-(4-hydroxy-3-methoxyphenyl)-2-propenoic acid hexacosyl ester (5) and betulinic acid (6). Their chemical structures were elucidated based on spectroscopic (IR, UV, MS, 1D and 2D NMR) and physicochemical analyses. Compounds 1 and 2 showed strong DNA topoisomerase II inhibitory activity at both concentrations of 20 and $100{\mu}M$. In addition, 3 exhibited strong cytotoxic activity against the HT-29 and HepG2 cancer cell lines, and 6 showed strong cytotoxicity against the HT-29 and MCF-7 ones.

Inhibitory Effect on TNF-${\alpha}$-Induced IL-8 Production in the HT29 Cell of Constituents from the Leaf and Stem of Weigela subsessilis

  • Thuong Phuong Thien;Jin WenYi;Lee JongPill;Seong RackSeon;Lee Young-Mi;Seong YeonHee;Song KyungSik;Bae KiHwan
    • Archives of Pharmacal Research
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    • 제28권10호
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    • pp.1135-1141
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    • 2005
  • Twelve compounds were isolated from the MeOH extract of the leaf and stem of the Korean endemic plant Weigela subsessilis L. H. Bailey. Their chemical structures were elucidated on the basis of physicochemical and spectroscopic data and by comparison with those of published literatures. These compounds were identified as three sterols, ${\beta}$-sitosterol acetate (2), ${\beta}$-sitosterol (3), daucosterol (11), eight triterpenoids, squalene (1), ursolic acid (4), ilekudinol A (5), corosolic acid (6), ilekudinol B (7), esculentic acid (8), pomolic acid (9), asiatic acid (10), and one iridoid glycoside, alboside I (12). This is the first report pertaining to the isolation of these compounds from Weigela subsessilis L. H. Bailey. In addition, three compounds 7, 9, and 12 were found to display a strong inhibitory effect on the production of IL-8 in the HT29 cells stimulated by TNF-${\alpha}$.

가정방문을 통한 일 광역시 성인의 대사증후군 유병률 및 위험요인 조사 (Prevalence Rates and Risk Factors of Metabolic Disorder in Urban Adults assessed in Home Visits)

  • 김종임
    • 가정∙방문간호학회지
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    • 제16권1호
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    • pp.12-21
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    • 2009
  • Purpose: The survey-based study aimed to determine the distribution and clustering tendency of metabolic syndrome risk factors in urban residents, and cluster odds ratios. Methods: Cluster sampling involved 827 urban participants and analysis of the collected data. Results: Regarding the prevalence of metabolic syndrome risk factors used for diagnosis, abdominal obesity was higher in women(69.5%) than in men(34.3%), high blood pressure was higher in men(57%) than in women(46.5%), and blood sugar was higher in men(6.9%) than in women(5.7%). Clustering increased with increasing body mass index(BMI), weight:height ratio(W/Ht) and abdominal obesity Risk factors for females were 1.7 times higher than for males. Participants with a family history of metabolic syndrome displayed related risk factors 1.5 times more than participants without a family history. Participants having a BMI ranking them as obese were 9.5 times more likely to display metabolic syndrome risk factors than non-obese participants. Obese participants were 20 times more likely to display risk factors than non-obese participants. Conclusion: BMI, W/Ht and abdominal obesity correlate with clustering of metabolic syndrome risk factors. The risk is increased by smoking and family history. Exercise weight control and non-smoking are recommended for comprehensive management of clustering of metabolic syndrome risk factors.

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상황버섯(Phellinus linteus) 추출물의 항돌연변이원성 및 세포독성 효과 (Antimutagenic and Cytotoxicity Effects of Phellinus linteus Extracts)

  • 함승시;지정환;김미남;정차권
    • 한국식품영양과학회지
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    • 제29권2호
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    • pp.322-328
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    • 2000
  • This study was performed to determine the antimutagenic and cytotoxic effect of the Phellinus linteus methanol extract on Salmonella typhimurium TA98, TA100 and human cancer cell lines. In the Ames test, methanol extract of P. linteus alone did not exhibit any mutagenicity but showed substantial inhibitory effects against mutation induced by N-methyl-N'-nitro-N-nitrosoguanidine(MNNG), 4-nitroquinoline-nitroquinoline-1-oxide(4NQO), 3-amino-1,4-dimethyl-5H-pyrdo[4,3-blindol(Trp-P-1) and benzo(α)pyrene(B(α)P). The methanol extracts of P. linteus(200㎍/plate) showed approximately 78.3%, 78.7% and 88.1% inhibitory effect on the mutagenesis induced by 4NQO, Trp-P-1 and B(α)P. The anticancer effects of P. linteus extract against human breast adenocarcinoma(MCF7), human lung carcinoma (A549), human fibrosarcoma (HT1080), human hepatocelular carcinoma (Hep3B) and human epitheloid carcinoma (HeLa) were investigated. The treatment of 1mg/mL P. linteus extracts had the highest cytotoxicity against MCF7 (92.0%), followed by Hep3B (84.9%), A549 (84.2%) and HT1080 (82.9%). In contrast 1mg/mL treatment of P. linteus extracts had only 10∼40% cytotoxicity on normal human liver cell (WRL68).

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