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Seo, Hee-Won,Kim, Eun-Jin,Na, Hyelin,Lee, Mi-Ock Elsevier 2009 FEBS letters Vol.583 No.1
<P><B>Abstract</B></P><P>The interplay between hypoxia-inducible factor-1α (HIF-1α) and histone deacetylase (HDACs) have been well studied; however, the mechanism of cross-talk is unclear. Here, we investigated the roles of HDAC4 and HDAC5 in the regulation of HIF-1α function and its associated mechanisms. HDAC4 and HDAC5 enhanced transactivation by HIF-1α without stabilizing HIF-1α. HDAC4 and HDAC5 physically associated with HIF-1α through the inhibitory domain (ID) that is the binding site for factor inhibiting HIF-1 (FIH-1). In the presence of these HDACs, binding of HIF-1α to FIH-1 decreased, whereas binding to p300 increased. These results indicate that HDAC4 and HDAC5 increase the transactivation function of HIF-1α by promoting dissociation of HIF-1α from FIH-1 and association with p300.</P><P><B>Structured summary:</B></P><P>MINT-6802187:</P><P><I>HIF1 alpha</I> (uniprotkb:Q16665) <I>physically interacts</I> (MI:0218) with <I>FIH1</I> (uniprotkb:Q9NWT6) by <I>anti bait coimmunoprecipitation</I> (MI:0006)</P><P>MINT-6802058:</P><P><I>HIF1 alpha</I> (uniprotkb:Q16665) <I>physically interacts</I> (MI:0218) with <I>HDAC4</I> (uniprotkb:P56524) by <I>pull down</I> (MI:0096)</P><P>MINT-6802021:</P><P><I>HIF1 alpha</I> (uniprotkb:Q61221) <I>physically interacts</I> (MI:0218) with <I>HDAC4</I> (uniprotkb:P56524) by <I>anti bait coimmunoprecipitation</I> (MI:0006)</P><P>MINT-6802036:</P><P><I>HIF1 alpha</I> (uniprotkb:Q61221) <I>physically interacts</I> (MI:0218) with <I>HDAC5</I> (uniprotkb:Q9UQL6) by <I>anti bait coimmunoprecipitation</I> (MI:0006)</P><P>MINT-6802102:</P><P><I>HIF1 alpha</I> (uniprotkb:Q16665) <I>physically interacts</I> (MI:0218) with <I>HDAC5</I> (uniprotkb:Q9UQL6) by <I>pull down</I> (MI:0096)</P><P>MINT-6802121, MINT-6802156:</P><P><I>P300</I> (uniprotkb:Q09472) <I>physically interacts</I> (MI:0218) with <I>HIF1 alpha</I> (uniprotkb:Q16665) by <I>anti bait coimmunoprecipitation</I> (MI:0006)</P>
서정희,복미정,강한나 울산대학교 2005 생활과학논문집 Vol.6 No.2
이 논문은 울산광역시의 울산대학교 학생 200명을 대상으로 하여 소비자의 술집평가기준에 관한 척도를 개발하였다. 대학생 소비자가 술집을 선택할 때 중요하게 고려해야 할 평가기준으로 25개 문항을 선정하였다. 25개 문항을 요인분석 한 결과 8개의 요인이 추출되었다. 각 요인에 속하는 문항들의 기여도를 알아보기 위하여 요인에 포함된 모든 문항을 더한 점수를 종속변수로 하고 각 문항의 점수를 독립변수로 하여 단계별 회기분석을 함으로써 설명력의 증가분을 검토하였다. 마지막으로 척도의 신뢰도를 알아보기 위하여 25개 문항의 상관관계를 검토하였고, 요인별 신뢰도계수를 구하였다. 이러한 과정을 거친 결과 이 논문에서 개발한 척도는 신뢰도가 높다는 사실을 경험적으로 입증되었다. This research developed a scale to measure consumers' evaluative criteria about a drinking house. The data was collected from 200 college students in Ulsan. 25 items were selected as the criteria for the choice of drinking house. The factor analysis was used to identify the 8 sub-dimensions of consumers' evaluative criteria about the favorite drinking house. The stepwise multiple regression was used to predict the explanatory power of each items included in each factors. The Pearson's product moment correlation of inter item and reliability coefficient was calculated. This measure was found to be reliable throughout above mentioned several analyses.
Cellulose 첨가 식이가 고콜레스테롤 식이를 섭취한 암컷 쥐의 혈중 지질 농도에 미치는 영향
서지나,최미자 啓明大學校 生活科學硏究所 2006 科學論集 Vol.32 No.-
Numerous studies have been done on the effect of fiber on cholesterol metabolism. Most of studies reported a hypocholesterolemic action of fiber in rats fed a high cholesterol diet. However, a few studies reported that addition of cellulose to the diet increased the serum level of cholesterol in rats. Therefore, more studies are needed to figure out the effects of cellulose on cholesterol metabolism. The purpose of this study was to investigate the effect of dietary cellulose supplementation on plasma lipid concentrations in rats fed a high cholesterol diet. Twenty female rats (body weight 190 ± 2.9 g) were randomly divided into two groups. The rats in the control group were fed on 5% cellulose diet (control) and those in the experimental group were fed with 10% cellulose diet. All rats were fed with the experimental diets and deionized water ad libitum for 5 weeks. The plasma lipid concentrations were measured using commercial kits with enzymatic methods. There were no significant differences in the body weight gain, food intake and food efficiency ratio between the control and experimental groups. The rats fed cellulose supplemented diet had significantly higher plasma total cholesterol concentration than those fed control diet. The plasma concentrations of triglyceride were slightly reduced in the rats fed cellulose supplemented diet compared to those fed control diet. But plasma triglyceride concentrations were not significantly different between two groups. More detailed research is necessary to explain why the effectiveness of cellulose in reducing the plasma cholesterol concentration in high cholesterol fed rats has been different.
서울시내 고등학교 위탁급식의 급식비와 투자비의 실태 및 위탁업체의 기대수준 비교 분석
양일선,배환미,김현아,신서영,조미나,박수연,차진아,이보숙 한국식생활문화학회 2002 韓國食生活文化學會誌 Vol.17 No.5
The purposes of this study were to a) find out the operational characteristics of the contract-managed highschool foodservice in Seoul, b) investigate the expected level of meal-price and facilities investment cost perceived by contract-managed highschool foodservice managers c) compare the present level and expected level of meal-price and facilities investment cost. From October 12 to November 13 in 2001, the questionnaires were mailed to 249 high schools which was managed by contract foodservice company with respondent rate 40.2%. Data were analyzed using SPSS Win(10.0) for descriptive analysis and one group paired t-test. The results of this study were as follows ; 1. The student enrollment of highschools run by contract-managed foodservice was 1,243 with 72.6% participation rate of school lunch program. The average meal-price was 2,138 won. The average annual period of school foodservice operation was 156.78 days per year. The average contracting period was about 3 years. 2. The average cost concerned in the facilities investment amounts 169,578,180 won at the initial investment and 25,204,092 won at the repairs and maintenance cost in the course of operation. 3. The present level of meal-price and facilities investment cost were respectively 2,136won/meal and 171,157,336.72 won. And expected level.of meal-price and amount of facilities investment cost were 2,418.75 won and 121,353,215.19 won. Comparing the present level with expected level of the meal-price and facilities investment cost, expected level of meal-price was significantly higher than the present level of meal-price(p<.001) and expected level of facilities investment cost was significantly lower than present level of facilities investment cost(p<.001).
Na Young Jin,Mi Jin Jeon,You Kyoung Lee,San Na Oh,Mi Ja Seo,Young Nam Youn,Yong Man Yu 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.04
Bacillus thuringiensis (Bt) is a gram-positive bacterium that produces parasporal crystal proteins known as endotoxins or Cry proteins. The Cry protoxins are then cleaved by insect midgut proteinases to form active Bt toxins. The activated Cry protein then binds to specific receptors at the midgut epithelium. Cadherin-like and aminopeptidase N (APN) proteins are involved in Bt toxin binding by interacting sequentially with different toxin structures. Aminopeptidase N (APNs) from several insect species have been shown to be putative receptors for these toxins. We have characterized four different midgut APNs(APN1, APN2, APN3, APN4) cDNAs from S. exigua. Forward primers and reverse primers for confirmation of four different midgut APNs were designed based on their sequences cloned from the cDNA libraries. Quantitative RT-PCR procedures includes 42℃ for 20min (cDNA synthesis), 99℃ for 5min, and 35 cycles (94℃ for 1min, and 60℃ for 50 s) for collection. Four aminopeptidase N isoforms were confirmed with qRT-PCR. Sequence analysis was performed by BlastX search the National Center for Biotechnology Information(NCBI) nucleotide. Furthermore, double-stranded RNAs(dsRNAs) were synthesized. DsRNAs were determined for bioassay.
In Vitro Biocompatibility of PLGA-HA Nano-Hybrid Scaffold
( Na Mi Seo ),( Jae Hoon Ko ),( Young Hwan Park ),( Heung Jae Chun ) 한국조직공학·재생의학회 2011 조직공학과 재생의학 Vol.8 No.1
Previously, a hybrid non woven mesh comprising nano-fibers of hyaluronic acid (HA) and poly (DL-lac-tic-co-glycolic acids) (PLGA) was prepared using multi-electro-spinning as a scaffold material for tissue engineer-ing applications. HA nano-fibers on the surface provided the improved wettability to the culture medium as well as the possibilities for the enhanced cell attachment and proliferation. As continuation study, biocompatibility profiles of the hybrid scaffold were investigated in vitro, using a series of cytotoxicity tests, and compared with those of highdensity polyethylene (HDPE) and polyurethane (PU). The PLGA-HA nano-hybrid scaffold showed the negligible toxic influence in all cell culture tests, which was attributed to hydrophilic nature of HA nano-fibers.