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Developmental Expression of Eukaryotic Initiation Factor 4E (eIF4E) and eIF4E-binding Protein 1 (eIF4EBP1) in Rat Hippocampal Neurons (발생단계별 해마신경세포에서 eIF4E 및 eIF4EBP1의 표현)

  • Park, Jaewan;Moon, Il Soo
    • Journal of Life Science
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    • v.23 no.7
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    • pp.941-946
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    • 2013
  • Local protein synthesis at subsynaptic sites plays a key role in the regulation of the protein composition in local domains. In this study, we carried out immunocytochemistry of cultured rat hippocampal neurons in various developmental stages to investigate the expression of eIF4E and its binding protein, eIF4EBP1. Both proteins were distributed in dendrites. In addition, eIF4EBP1 was highly expressed in the nucleus throughout the development, whereas eIF4E was not expressed in the nucleus. Punctate expression of eIF4E and eIF4EBP1 was evident in DIV 3. The colocalization rates of eIF4E or eIF4EBP1 puncta with PSD95 were higher in the dendrogenic than in the mature stages. In contrast, the colocalization rates of eIF4E and eIF4EBP1 puncta were higher in the mature than in the dendrogenic stages. As eIF4E is inactive when it is bound to eIF4EBP1, these data indicate that most dendritic eIF4E's are active during development but that they are mostly under inhibition in mature neurons.

An Empirical Study on the Measurement of e-Learning Success (e러닝 성공 평가에 관한 연구)

  • Son, Mac;Cho, Eun-Young;Kim, Hee-Woong
    • Knowledge Management Research
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    • v.15 no.2
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    • pp.67-88
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    • 2014
  • This study aims to investigate on measuring the success of e-Learning. For this purpose, we proposed a research model that consists of e-Learning contents quality, e-Learning system quality, e-Lecturing quality, sense of e-Learning community factors as independent factors and e-Learning and e-Learning satisfaction as mediators and tested it empirically based on the structural equation model. The empirical results showed that e-Learning contents quality, e-Learning system quality, sense of e-Learning community factors directly lead to e-Learning. The study also found that e-Learning contents quality, e-Lecturing quality, sense of e-Learning community factors bring about higher e-Learning satisfaction and that e-Learning satisfaction has a positive impact on e-Learning. Furthermore, the research discovered that both e-Learning and e-Learning satisfaction have a significant relationship with e-Learning net benefits. This research renders its theoretical contribution to analyzing a positive influence of sense of e-Learning community, a newly suggested variable added to the existing IS success model in this study, on e-Learning. From a practical view, the findings of this study can lead to improving the quality of e-Learning in today's era where the growth of e-Learning industry is quite noticeable.

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Logosphère de G. Bachelard et les rêveries de langue (바슐라르의 Logosphère와 언어적 몽상)

  • HONG, Myung-Hee
    • Cross-Cultural Studies
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    • v.25
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    • pp.679-694
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    • 2011
  • La langue est un des ${\acute{e}}l{\acute{e}}ments$ $privil{\acute{e}}gi{\acute{e}}s$ de la $r{\hat{e}}verie$ chez Bachelard. La langue est une force fondamentale de l'imagination. D'une part, elle garde son propre valeur dans le processus de l'imagination, et d'autre part elle forme sa propre image. La $priorit{\acute{e}}$ de langue chez Bachelard a, en effet, quelque liaison avec la notion de Logos qui avait ${\acute{e}}t{\acute{e}}$ $trait{\acute{e}}$ depuis longtemps comme $v{\acute{e}}rit{\acute{e}}$ ${\acute{e}}ternelle$ dans la $m{\acute{e}}taphysique$ occidentale. Cependant, la notion de logos de Bachelard se $diff{\grave{e}}re$ de celle de $m{\acute{e}}taphysique$ occidentale. Tandis que la $m{\acute{e}}taphysique$ traditionnelle traite le logos comme un but ${\acute{e}}ternel$ de sa $m{\acute{e}}ditation$, Bachelard donne l'importance sur la $capacit{\acute{e}}$ linguistique et imaginaire du logos. Le $logosph{\grave{e}}re$ est un des exemples qui montre bien la $diff{\acute{e}}rence$ entre la notion de logos de Bachelard et celle de $m{\acute{e}}taphysique$ traditionnelle. Le $logosph{\grave{e}}re$ est un $n{\acute{e}}ologisme$ de Bachelard qui est fait pour $d{\acute{e}}signer$ $l^{\prime}atmosph{\grave{e}}re$ verbal de la $soci{\acute{e}}t{\acute{e}}$ contemporaine $gr{\hat{a}}ce$ ${\grave{a}}$ l'emission de radio. Bachelard comprend le $ph{\acute{e}}nom{\grave{e}}ne$ de radio en tant que $r{\acute{e}}alisation$ de $Psych{\acute{e}}$ dans la vie quotidienne. C'est $gr{\hat{a}}ce$ ${\grave{a}}$ la technologie moderne que nous pouvons avoir l'univers de langue plus facilement par rapport aux $si{\grave{e}}cles$ $pr{\acute{e}}c{\acute{e}}dents$. Selon Bachelard, la radio n'est pas un simple instrument de communication. C'est une porte pour entrer dans la $r{\hat{e}}verie$ universelle. La radio est une voix du monde qui exprime notre inconscient. Quand un $r{\hat{e}}veur$ $r{\hat{e}}ve$, son $r{\hat{e}}verie$ se $d{\acute{e}}veloppe$ en se discutant avec le monde. Alors, quand nous $r{\hat{e}}vons$, nous parlons au monde et nous ${\acute{e}}coutons$ du monde, de sorte que nous devenons les citoyens du $logosph{\grave{e}}re$. Dans son oeuvre Sur la Grammatologie, J. Derrida critique la $m{\acute{e}}taphysique$ occidentale en la intitulant logocentrisme. Derrida pense que la philosophie occidentale a comme le but final la $pr{\acute{e}}sence$ de logos. Cette $pr{\acute{e}}sence$ de logos ne peut ${\hat{e}}tre$ $r{\acute{e}}alis{\acute{e}}e$ que par la langue de la voix, non pas par la langue de $caract{\grave{e}}re$. $D^{\prime}o{\grave{u}}$ vient le logocentrisme ou le phonocentrisme de $m{\acute{e}}taphysique$ occidental. Mais Derrida pense que le logocentrisme n'est qu'un autre aspect de l'ethnocentrisme ${\acute{e}}troit$ de l'occident. La notion de $logosph{\grave{e}}re$ de Bachelard a quelques ressemblances avec logocentrisme par ses apparences. Cependant, elles ont une $diff{\acute{e}}rence$ fondamentale depuis leur $d{\acute{e}}part$. Tandis que logocentrisme $tra{\hat{i}}te$ la parole en tant que $mani{\grave{e}}re$ d'expression de raison qui est une puissance fondamentale de l'homme, Bachelard pense que la parole est un $r{\acute{e}}sultat$ d'une opposition et fusion de notre raisons et parole. Bachelard pense que la parole est une $r{\acute{e}}alisation$ de l'image qui est l'essence de notre $psych{\acute{e}}$. Pour lui, la parole, la quintessence de $logosph{\grave{e}}re$, est le champ de l'imagination $d^{\prime}o{\grave{u}}$ jaillissent les images. C'est pour cela que $logosph{\grave{e}}re$ se situe ${\grave{a}}$ l'antipode de logocentrisme. $Logosph{\grave{e}}re$ nous fournit un espace de $r{\hat{e}}verie$ de langue. Notre $soci{\acute{e}}t{\acute{e}}$ contemporaine $fourr{\acute{e}}e$ des images visuelles creuses est $d{\acute{e}}pouill{\acute{e}}e$ de plus en plus des espaces de $r{\hat{e}}veries$. C'est une des raisons que le $logosph{\grave{e}}re$ de Bachelard doit ${\hat{e}}tre$ $r{\acute{e}}activ{\acute{e}}$ aujourd'hui.

Analysis of Melanocortin Receptor 1 (MC1R) Genotype in Korean Brindle Cattle and Korean Cattle with Dark Muzzle (칡소와 비경흑색 한우의 Melanocortin Receptor 1 (MC1R) 유전자형 분석)

  • Lee, S.S.;Yang, B.S.;Yang, Y.H.;Gang, S.Y.;Ko, S.B.;Jeong, J.K.;Oh, W.Y.;Oh, S.J.;Kim, K.I.
    • Journal of Animal Science and Technology
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    • v.44 no.1
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    • pp.23-30
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    • 2002
  • PCR-RFLP analysis was carried out to investigate the genotype of Melanocortin receptor 1 (MC1R) gene in Korean Brindle Cattle and Korean Cattle with dark muzzle, which are coat color and muzzle pigmentation variants of Korean Cattle, respectively. Allelic variants of MC1R in cattle were analyzed by digestion with BsrFⅠ, AciⅠ. Among six genotypes, $E^D/E^D,\;E^D/E^+,\;E^D/e,\;E^+/E^+,\;E^+$/e and e/e, detected in cattle, only two genotypes, $E^+/E^+\;and\;E^+$/e, were observed in Korean Brindle Cattle, probably reflecting the necessary of $E^+$ allele for the expression of black brindle coat color. As in Korean Cattle with light muzzle, the $E^+$/e and e/e genotypes were detected in Korean Cattle with dark muzzle. The $E^+$ and e alleles frequencies in two populations of Korean Cattle with dark muzzle and with light muzzle were 0.37, 0.63 and 0,11, 0.89, respectively. Although the frequency of $E^+$ allele in Korean Cattle with dark muzzle was higher than in Korean Cattle with light muzzle, the $E^+$ allele was not completely associated with dark muzzle pigmentation. The results of this experiment indicate that the difference of MC1R genotype and frequency may be useful for fixation of coat color in Korean Cattle as well as Korean Brindle Cattle.

A Study on the System of Environmental Education major in the Granduate School of Education (교육대학원 [환경교육전공]의 체제에 관한 연구)

  • 강환국
    • Hwankyungkyoyuk
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    • v.8 no.1
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    • pp.122-137
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    • 1995
  • The Environmental Education(E.E.) is very important field in Elementary and Secondary School. And the first important problem of E.E. in school is no special teacher. This thesis is a study on the system of E.E. major in the graduate school of education. 1. The aims of E.E. major are training of E.E. teacher and developing research of E.E. 2. The curriculum of E.E. major is consisted of E.E. theory and E.E. content. 3. The student of E.E. major is admited a university graduate of social science and natural science department. 4. The professor of E.E. major is organized a specialist of E.E.

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Une étude sur les textes théâtrals de Young-Sun Yun: L'écriture théâtrale sur la mort et le deuil (윤영선 희곡 연구: 죽음과 애도의 글쓰기)

  • Ahn, chiwoon
    • Journal of Korean Theatre Studies Association
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    • no.52
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    • pp.117-157
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    • 2014
  • Cette ${\acute{e}}tude$ est pour l'objectif de rechercher sur $l^{\prime}{\acute{e}}criture$ $th{\acute{e}}{\hat{a}}trale$ de la mort et le deuil dans les $th{\acute{e}}{\hat{a}}tres$ chez Young-sun Yun(1954-2007) ${\grave{a}}$ travers des textes dramatiques ${\acute{e}}crits$ par $lui-m{\hat{e}}me$, qui ${\acute{e}}tait$ aussi le metteur en $sc{\grave{e}}ne$ depuis 1994 dans le $th{\acute{e}}{\hat{a}}tre$ contemporain en $Cor{\acute{e}}e$. Cette $th{\grave{e}}se$ est $commenc{\acute{e}}$ ${\grave{a}}$ ${\acute{e}}crire$ pas pour apprendre ses textes mais pour comprendre la ralation entre les textes et les ${\exp}{\acute{e}}riences$ de l'auteur. Ici, pour cela, j''ai $analys{\acute{e}}$ ses 4 $pi{\grave{e}}ces$ $th{\acute{e}}{\hat{a}}trales$ produites ${\grave{a}}$ cette ${\grave{e}}poque$, dont (1994), (2000), $d{\acute{e}}biteur$, mon $p{\grave{e}}re$ est $progress{\acute{e}}$ de cancer>(1996), (2005), en referrant les rapports entre $l^{\prime}{\acute{e}}criture$ dramatique et de la mort et le deuil de $p{\grave{e}}re$. Cette ${\acute{e}}tude$ $pr{\acute{e}}suppose$ un certain situation psychologue de l'auteur sur la mort et le deuil de personnage '$p{\grave{e}}re$'. L'auteur dramatique et le metteur en $sc{\grave{e}}ne$ du $th{\acute{e}}{\hat{a}}tre$ Young-sun Yun propose certaines orientations de la mort de son $p{\grave{e}}re$ dans ses texts dramatiques: le sentiment de victime sous le pouvoir absolu de son $p{\grave{e}}re$. Chez lui, ${\acute{e}}crire$ le texte dramatique, c'est transmettre les amertumes d'esprit et une forme de $r{\acute{e}}flextion$ vis-${\grave{a}}$-vis de la relation avec son $p{\grave{e}}re$ surtout le $probl{\grave{e}}me$ $inachev{\acute{e}}$ de deuil. c'est-${\grave{a}}$-dire fournir des sentiments coupables et des $anxi{\acute{e}}t{\acute{e}}s$ qui $r{\acute{e}}sident$ au fond de son coeur, tout au long de sa vie. Pour cette objecif, il est ${\acute{e}}vident$ qu'il faudra toujours partir du texte et y revenir. J'ai $essay{\acute{e}}$ de ne pas $r{\acute{e}}duiser$ $l^{\prime}{\acute{e}}tude$ des textes au respect myope des paroles des personnage et rester la $r{\acute{e}}flextion$ pshchologique sur la mort et le processu de deuil. J'ai $essay{\acute{e}}$ d'appuyer mes remarques sur les sources $autoris{\acute{e}}es$: psychanalytiques en la $mati{\grave{e}}re$. C'est pourquoi j'ai cru devoir $pr{\acute{e}}senter$ cette recherche de l'analyse sous la forme d'une $synth{\grave{e}}se$ des principaux concepts de la $th{\acute{e}}orie$ de la pshchologie moderne qui permettent l'analyse des textes dramatiques.(Dany Nobus, David K. Switzer, Fritz Riemann, Giles Deleuze, Sigmund Freud, Julia Kristeva) Et auiss j'ai $essay{\acute{e}}$ de explorer l'imaginaire des paroles dans les textes en ses rapports avec l'auteur et les personnages et entre les personnages. Ainsi conçu, j'ai $analys{\acute{e}}$ les formes de paroles en ce qui concerne la mort de $p{\grave{e}}re$ et le deuil. Cette $mani{\grave{e}}re$ s'est $r{\acute{e}}v{\acute{e}}l{\acute{e}}e$ efficace pour montrer comment des traces de sentiment se transforment dans des textes. Dans les pluparts des personnages chez les textes de Young-sun Yun, on peut voir si $d{\acute{e}}finitivement$ leur cicatrices personnelles, $sensibilit{\acute{e}}s$ $m{\hat{e}}l{\acute{e}}s$, ce 'je-ne-pourrai-rien-contre-mon-$p{\grave{e}}re$' ou 'je-ne-sais-quoi-et-presque-$apr{\grave{e}}s$-la mort-de-mon pere'. Pour $d{\acute{e}}pouiller$ cet aspect, j'ai $montr{\acute{e}}$ qu'il n'y avait pas de $v{\acute{e}}rit{\acute{e}}s$ objectives, mais que la $subjectivit{\acute{e}}$ doit trouver le jeu triangulaire entre l'inconscient de l'auteur par les paroles des textes et par les rapports entre le symbolisant et le $symbolis{\acute{e}}$ dans les $repr{\acute{e}}sentation$ socio-culturelle en $Cor{\acute{e}}e$ d'aujourd'hui.

La méthodologie de lecture de la didascalie dans le théâtre contemporain (<현대희곡에서 지문 읽기의 방법적 고찰>)

  • Kim, Young-eun
    • Journal of Korean Theatre Studies Association
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    • no.53
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    • pp.89-128
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    • 2014
  • De notre temps, nous faisons face ${\grave{a}}$ un changement du $th{\hat{e}}atre$ dans son ensemble. Le $th{\acute{e}}atre$ contemporain tente de se $d{\acute{e}}marquer$ des autres formes artistiques, mais aussi des formes $litt{\acute{e}}raires$, lorsque la tendance est ${\grave{a}}$ la fusion des genres. Il existe ainsi de plus en plus de $th{\hat{e}}atre$ ${e}xp{\acute{e}}rimentaux$, $n{\acute{e}}s$ sous le nom de $th{\acute{e}}atre$ anthropologique, $th{\acute{e}}atre$ sociologique, $th{\acute{e}}atre$ ethnologique, $th{\acute{e}}atre$ ${\acute{e}}pist{\acute{e}}miologique$ ou $th{\acute{e}}{\hat{a}}tre$ interculturel. La $m{\acute{e}}thodologie$ doit elle s'adapter ${\grave{a}}$ cette tendance de fusion? Au lieu de trouver une $m{\acute{e}}thode$ d'anlyse de chaque "nouveaux genre" $n{\acute{e}}$ de la fusion, nous nous interrogeons sur la $m{\acute{e}}thodologie$ pour ${\acute{e}}tudier$ le $th{\hat{e}}atre$ dans son ensemble. Si une telle $m{\acute{e}}thodologie$ d'analyse existait, quelle serait la $diff{\acute{e}}rence$ avec la $m{\acute{e}}thodologie$ $d{\acute{e}}j{\grave{a}}$ existante? Et si elle n'existait pas, quelle serait la meilleure $m{\acute{e}}thodologie$ $adapt{\acute{e}}e$? Nous $consid{\acute{e}}rons$ la $m{\acute{e}}thode$ d'analyse de la didascalie comme nouvelle $m{\acute{e}}thodologie$ $adapt{\acute{e}}e$. En effet, la didascalie $conna{\hat{i}}t$ sans cesse des $m{\acute{e}}tamorphoses$ dans $l^{\prime}{\acute{e}}criture$. De nombreux $th{\acute{e}}oriciens$ ont $d{\acute{e}}velopp{\acute{e}}$ des $m{\acute{e}}thodes$ d'analyse afin de mieux comprendre les diverses formes de $th{\acute{e}}atre$ comtemporain et ses didascalies. Notre travail est de rassembler les ${\acute{e}}tudes$ des $diff{\acute{e}}rents$ $th{\acute{e}}oriciens$ et de les ordonner ; afin de proposer un outil d'analyse $adapt{\acute{e}}$ pour $l^{\prime}interpr{\acute{e}}tation$ des $pi{\grave{e}}ces$ du $th{\acute{e}}{\hat{a}}tre$ contemporain.

Effects of Apo E Polymorphism on the Plasma Lipid Profiles and Free Amino Acids in Korean Women (Apo E 유전자 변이형이 혈청지질 및 유리아미노산 농도에 미치는 영향)

  • 이명숙;박태선
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.28 no.1
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    • pp.225-232
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    • 1999
  • Apo E polymorphism(e2, e3, e4) was among the first reported genetic polymorphism that explained part of the normal variation in plasma cholesterol concentrations. Among 62 normolipidemic healthy females, aged 19 up to 22 years, the relative frequencies of E3/3 was 0.806(n=50), E3/2 was 0.081(n=5), E3/4 allele was 0.113(n=7), and no E2/2, E2/4 and E4/4 were found. Based on the five samples of E2 allele, five subjects were randomly selected by E3 and E4 groups for the study of effects of apo E polymorphism on the distribution of serum lipid and amino acids profiles. No differences in the anthro pometric data among apo E isomers were found, otherwise the pulsation was higher in E4 than that in the others. There were no differences in plasma total HDL , HDL3 , HDL2 & LDL cholesterol, and apo A I concentrations. However, phenotype means significantly rank E2>E3>E4 allele in average TG levels(p=0.014), and rank E4>E3>E2 in total cholesterol levels(p=0.011). Atherogenic index(AI) such as lipoproteins was significantly increased in E2 & E4 than that in E3(p=0.045). Subjects with E3/2 allele had significantly higher concentrations of glutamine, phosphoserine and taurine, while subjects with E3/4 allele showed significantly lower concentrations of arginine and am inobutyrate and elevated level of phosphoserine in plasma com pared to those of E3/3 allele. Higher level of plasma taurine in subjects with E3/2 or E3/4 allele appears to be related to the elevated level of plasma total and LDL cholesterol concentrations compared to those of E3/3 allele.

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The Relationships of Website Quality, e-Satisfaction, e-Trust, and e-Loyalty in Low-Cost Carriers (저비용 항공사의 웹사이트 품질, e-만족, e-신뢰, e-충성도 간의 구조적 관계 연구)

  • In, Ok Nam;Kim, Seung Lee
    • Journal of the Korea Society of Computer and Information
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    • v.18 no.10
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    • pp.207-216
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    • 2013
  • The A low-cost carriers(LCC)' website represents their public face to the world. Futhermore, distribution through their own websites is generally regarded as the being most cost effective for airlines The Internet website has become an effective marketing vehicle for low-cost carriers(LCC). The objective of this study was to examine theoretical relationship of website quality, e-satisfaction, e-trust, and e-loyalty to the low-cost carriers' website. The study sample included respondents who had visited any LCC websites in the last 12 months. Data were collected by conducting a web-based survey to maintain respondents' anonymity and overcome time and place constraints. From the 334 usable data obtained, hypotheses are tested using structural equation modeling. The results indicate that website quality, e-satisfaction, and e-trust are antecedents of e-loyalty in loyalty relationships between passengers and low-cost carriers' websites. Website quality positively influences e-satisfaction, e-trust while e-satisfaction. However, contrary to our expectation, e-satisfaction has a negative effect on e-trust. Managerial implications are provided following presentation of the findings.

Studies on the Distribution of Plasma Lipid Profiles and Body Fatness According to Apo E Polymorphism in Normolipidemic Korean Women

  • Lee, Myoung-Sook
    • Preventive Nutrition and Food Science
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    • v.2 no.4
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    • pp.338-347
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    • 1997
  • Apo E polymorphism(e2, e3, e4) was among the first reported genetic polymorphism that explained part of the normal vairation in plasma cholesterol concentrations. Both alleles E2 and E4 are significantly more frequent in patients with mixed forms of hyperlipidemia and contribute on the observed differences in CHD risk among different populations. Effects of apo E polymorphism on the distribution of plasma lipid profiles were studied in 89 normolipidemic healthy females, aged 19 up to 22 years. The relative frequencies of E3/3 was 0.787, E3/2 was 0.101, E3/4 allele was 0.112 and no E2/2, E2/4 and E4/4 were found. Weight, height and %LBM were elevated in E2 than those in E3&E4. No differences in the blood pressure among apo E isomers were found, otherwise the pulsation was higher in E4 than that in the others. There were no differences in plasma total-, total DL-, HDL$_3$-, HDL$_2$ cholesterol, apo B-100 and apo A-I, However, phenotype means rank E3/2>E3/3>E3/4 in average TG levels(p<0.0001) significantly, and rank E3/4>E3/3>E3/2 in LDL cholesterol levels. These results were related to the correlation between atherogenic indiced (AI) such as LDL/HDL, (TC-HDL)/HDL, HDL$_3$/HDL$_2$. The ratio of HDL$_3$& HDL$_2$was significantly increased in E2 & E4 than that in E3(P=0.043). LCAT activity was not different between E2 and E3 but was highly increased in E4 (p<0.0001 among apo E isomers), but CETP was not different. Since the negative correlation between LCAT and CETP in apo E2(r=-0.491) was stronger than that in apo E3, E2 allele impacts the clearance of plasma apo E mediated lipoproteins. In conclusion firstly, E4 mediated alteration through LDL or E receptors results in lower TG or higher $\beta$-lipoprotein levels and E2 shows reciprocal effects of E4, respectively. Second, E4 allele was more atherogenic than E2 allele because the higher levels of AI such as HDL$_3$/HDL$_2$ were criticized.

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