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Relationship between Stress Gene Polymorphisms and Litter Size by AI in Pigs
Jin, H.J.,Kim, I.C.,Wee, M.S.,Yeon, S.H.,Kim, C.D.,Lee, S.S.,Cho, C.Y.,Cho, S.R.,Son, D.S.,Park, C.K. 韓國受精卵移植學會 2007 한국동물생명공학회지 Vol.22 No.4
This study was performed to investigate the relationship between PSS-HSP70 gene polymorphism and artificial insemination (AI) reproductivity in the pigs. The RFLP polymorphism of PSS and the SSCP polymorphisms of HSP70 K1, K3 and K4 PCR product were detected different patterns. In the experiment for AI of fresh semen, spring and fall season showed higher litter size born of 10.89 head than 10.47 head of summer season. Landrace was showed higher litter size of 9.96 head than that of Duroc and Yorkshire (p<0.05). Stress relating PSS and HSP70 polymorphism of PSS-Normal, HSP70 K1-BB, K3-AB, K4-AA showd a highest litter size born of 10.97 head and litter size born alive of 10.69 head than that of the other polymorphisms(p<0.05). In the experiment for AI of frozen semen, effects of season and pig breeds were not showed for litter size born. The stress relating polymorphism of PSS-Carrier, HSP70 K1-BB, K3-BB, K4-AB showed highest litter size born of 11.29 head and litter size born alive of 10.82 head and PSS-Normal, HSP70 K1-BB, K3-AB, K4-AA showed the lowest litter size born of 8.48 head and litter size born alive of 7.33 head than that of the other polymorphisms(p<0.05). These results suggest that AI litter size born for the stress of forzen thawed semen may be affected by PSS and HSP70 polymorphism in pigs.
The Effects of Stress Related Genes on Carcass Traits and Meat Quality in Pigs
H. J. Jin,B. Y. Park,J. C. Park,I. H. Hwang,S. S. Lee,S. H. Yeon,C. D. Kim,C. Y. Cho,Y. K. Kim,K. S. Min,S. T. Feng,Z. D. Li,C. K. Park,C. I. Kim 아세아·태평양축산학회 2006 Animal Bioscience Vol.19 No.2
The current study was conducted to investigate the relationship between stress related gene and meat quality in pigs. A total number of 212 three-way cross bred (Landrace-Yorkshire횞Duroc) and 38 Duroc were sampled from the Korean pig industry to determine genotype requency of porcine stress syndrome (PSS) and heat shock protein 70 kDa (HSP70) genes and their relationship with carcass traits and longissimus meat quality. Screen of HSP70 was performed by the single strand conformation polymorphism (SSCP) technique. Based on the analysis of restriction fragment length polymorphism (RFLP) in ryanodine receptor 1 (RYR1) gene, genetic disorder of PSS was related to a mutation at 18,168th (C to T) of exon 17. There was no significant difference in ultimate meat pH and backfat thickness between HSP70 K1-AA type and -BB type in pure Duroc breed. In Landrace-Yorkshire횞Duroc (L-YxD) cross bred pig, our results indicated that HSP70 derivate type in Duroc had a limited effect on backfat thickness, but L-YxD type had a noticeable linkage with HSP70 K1-AA and K3-AB. This tendency was also observed in hot carcass weight where HSP70 K1-AA and K3-AB resulted in heavier weight with 86.3 kg compared to HSP70 K1-AB and K3-BB of 74.3 kg. Results imply that stress related HSP70 genotype has a potential association with backfat thickness and carcass weight.
Relationship between Stress Gene Polymorphisms and Litter Size by AI in Pigs
H. J. Jin,I. C. Kim,M. S. Wee,S. H. Yeon,C. D. Kim,S. S. Lee,C. Y. Cho,S. R. Cho,D. S. Son,C. K. Park,Z. D. Li 사단법인 한국동물생명공학회 2007 한국동물생명공학회지 Vol.22 No.4
This study was performed to investigate the relationship between PSS-HSP70 gene polymorphism and artificial insemination (AI) reproductivity in the pigs. The RFLP polymorphism of PSS and the SSCP polymorphisms of HSP70 K1, K3 and K4 PCR product were detected different patterns. In the experiment for AI of fresh semen, spring and fall season showed higher litter size born of 10.89 head than 10.47 head of summer season. Landrace was showed higher litter size of 9.96 head than that of Duroc and Yorkshire(p<0.05). Stress relating PSS and HSP70 polymorphism of PSS-Normal, HSP70 K1-BB, K3-AB, K4-AA showd a highest litter size born of 10.97 head and litter size born alive of 10.69 head than that of the other polymorphisms(p<0.05). In the experiment for AI of frozen semen, effects of season and pig breeds were not showed for litter size born. The stress relating polymorphism of PSS-Carrier, HSP70 K1-BB, K3-BB, K4-AB showed highest litter size born of 11.29 head and litter size born alive of 10.82 head and PSS-Normal, HSP70 K1-BB, K3-AB, K4-AA showed the lowest litter size born of 8.48 head and litter size born alive of 7.33 head than that of the other polymorphisms(p<0.05). These results suggest that AI litter size born for the stress of forzen thawed semen may be affected by PSS and HSP70 polymorphism in pigs.
음란물 접촉과 청소년의 성 가치관의 변화 : 서울 일개 중학교를 중심으로
김가영,김슬기,김지아,박다현,연현숙,오연경,주혜인,차근영 이화여자대학교 간호과학대학 2011 이화간호학회지 Vol.- No.45
This document's purposes are to give basic data in the viewpoint of nursing through investigation on the change of teenager's sexual values resulted from pornography experience. 150 middle school boy students who were in first, second and third grade were surveyed. Investigated place is limited only one school which is located in Seoul city. 123 Data was available among the 150 surveyed data. Collected data are statistically processed using SPSS program. To verify the reliability, Cronbach'a was applied and analysed using t- test, ANOVA. In short, the main results of this survey are as follows. 1. The general characteristics of surveyed students: Most of surveyed students were middle school 3rdgrade(42.5%) who had computer at their room ranked first (47.2%). The average using time of internet was more than 2 hours (35.4%, the highest rate). 76.6% of surveyed students answered that they had experience of watching the pornography. 2. 53.1% of surveyed students, which is the highest ratio, experienced pornography before they entered middle school. The curiosity rank first (57.%) about the question why they watch pornography. In case of students who had no experiences of pornography answered that they didn't watch pornography because they had no concern on pornography (51.6%). 3. On sexual values, the average scores of pornography non-experienced (3.77±0.46, full score: 5..0) are higher than those of pornography-experienced (3.53±0.51), showing statically significant difference against pornography -experienced group. 4. Findings of sexual values scores on general characteristics were as follows; The higher in grades, the lower in scores. Top-graded students gained higher scores of sexual values than low graded students showing statistically significant difference in both case of characteristics.
알파술폰 고급지방산 폴리에틸렌 글리콜 에스테르류의 합성
남기대,김진현,연영흠,정노희 한국유화학회 1998 한국응용과학기술학회지 Vol.15 No.2
α-sulfonated fatty acid polyethylene glycol esters with polyethylene oxide(addition, 3, 5, 10mol) were synthesized through esterification of α-sulfonated fatty acid methyl esters with alkyl chain length C_12∼C_18. Their compounds were separated with column chromatography, and confirmed by TLC. Quantitative analysis of all the sulfonates were performed according to JIS K-3362 method, and ethylene oxide unit number were determined by ISO 2270 method. Structural properties of α-sulfonated fatty acid methyl esters and their derivatives were also identified from IR. and ^1H NMR spectra.
알파술폰 고급지방산 폴리에틸렌글리콘 에스테르류의 계면물성
윤영균,남기대,김진현,연영흠 한국유화학회 1998 한국응용과학기술학회지 Vol.15 No.2
All the surface activities including surface tension, foaming power, foam stability, emulsifying power, dispersion effect, and detergency were measured and critical micelle concentration(cmc) was evaluated in dilute aqueous solution. The cmc evaluated by the Ring method was 10^-3∼10^-4mol/L in case of monoesters, and 10^-3∼5.0×10^-5mol/L in case of diesters, respectively. Surface tension of the aqueous solution was decreased to 45∼50dyne/㎝, showing the tendency that the ability of lowering the surface tension was dependent on increasing of carbon atom number in alkyl chain. Foaming power of all the monoesters was better than that of diesters. while foam stability of diesters was to the contrary. Emulsifying power of soybean oil or benzene was specially expected to be good for emulsifiers in industrial application fields. HLB values of monoesters and diesters evaluated by Griffin's method were in the range of 8 to 12. Dispersion property of ferric oxide was stable in the range of 4.5×10^-5∼5.0×10^-4mol/L in case of monoesters, and 10^-5∼10^-4mol/L in case of diesters.
Wee, M.S.,Park, C.K.,Cho, S.R.,Lee, S.S.,Yeon, S.H.,Kim, C.D.,Cho, C.Y.,Choi, S.H.,Sang, B.D.,Son, D.S.,Li, Z.D.,Jin, H.J. Asian Australasian Association of Animal Productio 2008 Animal Bioscience Vol.21 No.10
This study was performed to clarify whether the variation of stress related heat shock protein 70 (HSP70) (GenBank X68213) gene was associated with the nuclear morphological change of in vitro maturation and in vitro capacitation in oocytes of pig ovaries obtained at the slaughterhouse. The nucleic acid substitution of C to G at the 483rd position was found out in HSP70 K1 (290-512) from X68213. The ovaries were categorized into CC, CG, and GG genotypes using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) (BsiHKA I). After the second in vitro maturation of immature fresh oocytes, the relation of nuclear morphological change in oocytes with the genotype of HSP70 K1 gene was such that the MII ratios of the genotype GG and CG (46.93% and 42.20%, respectively) were significantly higher than that of the CC genotype (10.71%) (p<0.05). With respect to in vitro maturation of frozen-thawed oocytes by an open pulled straw (OPS) method, the percentage of oocytes matured to MII stage of the CG genotype showed a higher trend than CC and GG genotypes. After the in vitro maturation of immature fresh oocytes and frozen-thawed oocytes by the OPS method, the relation of the pronuclei change in oocytes matured in vitro with HSP70 genotype was assessed, and the result showed that the enlarged sperm heads (ESH) of matured fresh oocytes and frozen-thawed oocytes were 80.0% and 60.0% in the CC genotype, respectively. The CC genotype group had a significantly higher rate of ESH than the CG and the GG genotype group (p<0.05). The ratios of polyspermic invasion were not different among HSP70 of the three genotypes. It was considered that the rate of in vitro maturation of fertilized oocytes was expected to differ according to genotype of the stress related gene.