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Shin, H. D.,Park, K. S.,Park, B. L.,Cheong, H. S.,Cho, Y. M.,Lee, H. K.,Lee, J.-Y.,Lee, J.-K.,Kim, H. T.,Han, B. G.,Kim, J. W.,Koh, I.,Kim, Y. J.,Oh, B.,Kimm, K.,Park, C. Blackwell Science Ltd 2006 Diabetic medicine Vol.23 No.1
<P>Abstract</P><P>Aims </P><P>Growing evidence supports the hypothesis that chronic low-grade inflammation related to innate immunity may play an important role in the pathophysiology of Type 2 diabetes mellitus (T2DM). The monocyte differentiation antigen CD14 gene (<I>CD14</I>) acts as the receptor for lipopolysaccharide (LPS) and augments monocyte/macrophage inflammatory responses.</P><P>Methods </P><P>We have sequenced the gene, including all exons, exon/intron boundaries, and the −1.5 kb of the 5′ flanking region. Two common loci (minor allele frequency > 0.05) were genotyped in 775 T2DM patients and 316 control subjects recruited in the Korean T2DM Study.</P><P>Results </P><P>Eight polymorphisms, including four non-synonymous forms, were identified in <I>CD14</I>. No polymorphisms were found in association with T2DM. However, one common promoter SNP (<I>−260T>C</I>) was significantly associated with both the serum triglyceride level (TG) and body mass index (BMI) in non-diabetic control subjects. Individuals who carried the minor allele (C) had higher TG levels (1.65 ± 0.81 vs. 1.46 ± 0.80 mmol/l; <I>P</I> = 0.0007) and BMI (23.96 ± 3.00 vs. 23.28 ± 3.22 kg/m<SUP>2</SUP>; <I>P</I> = 0.04) as compared with subjects carrying T/T genotypes.</P><P>Conclusion </P><P>Our data suggest that lipid metabolism and obesity, important pathophysiological elements of T2DM and the metabolic syndrome, are regulated by complex mechanisms that include the CD14 gene polymorphism-mediated genetic propensity to non-specific inflammatory responses.</P>
Choi, Y.I.,Ahn, H.J.,Lee, B.K.,Oh, S.T.,An, B.K.,Kang, C.W. Asian Australasian Association of Animal Productio 2012 Animal Bioscience Vol.25 No.8
This experiment was conducted with male chicks to investigate the influence of hormones and nutrients on the development of fatty liver syndrome (FLS) as well as the effects of dietary lipotropic factors on hepatic fat accumulation and lipogenic enzyme gene expression. A total of two-hundred sixteen 4-wk-old Hy-Line male chicks were divided into six groups and fed an experimental diet (T1, low-energy diet with low levels of lipotropic factors; T2, high-energy diet with low levels of lipotropic factors; T3 and T5, low-energy diet with high levels of lipotropic factors; T4 and T6, high-energy diet with high levels of lipotropic factors) for six weeks. The chicks in T5 and T6 groups were treated with intramuscular injections of estradiol benzoate for three days prior to biopsy and clinical analysis of FLS. Chicks treated with estrogen had significantly greater liver weights than untreated chicks. The abdominal fat contents were increased in chicks consuming high-energy diets as compared to those consuming low-energy diets. Treatment with estrogen significantly increased the concentrations of serum cholesterol, triacylglycerol and phospholipid (p<0.05). The hepatic triacylglycerol levels were tenfold higher in the estrogen treated chicks than in the untreated chicks. There were no significant differences in malondialdehyde levels between the treatment groups. Estrogen treatment dramatically increased the levels of fatty acid synthetase, acetyl-CoA carboxylase and ApoB mRNA. The results indicated that treatment with exogenous estrogen in growing male chicks induced hepatic fat accumulation, which might be partially due to increased lipogenic enzyme gene expression.
포장방법과 저장조건이 돈육 등심의 저장성 및 보수력에 미치는 영향
허선진,주선태,오성현,김영직,김영환,이정일,박구부 한국동물자원과학회 2001 한국축산학회지 Vol.43 No.1
To investigate the effects of packaging method and storage condition on meat quality, a total of eight pork loins were selected from a commercial meat plant at 24 hr postmortem. The loins were cut to 2.5㎝ thick steaks and were randomly assigned to the five treatment combination; vacuum packaging and submersion in chilled salt water(SCSW)(T1), non-vacuum packaging and submersion in chilled salt water (T2), vacuum packaging and storage in conventional refrigerator(SCR)(T3), non-vacuum packaging and storage in conventional refrigerator(T4), and wrap packaging and storage in conventional refrigerator(TS). All samples were stored at 0℃ for 20 days to measure color of meat(CIE L*, a*. b*), pH, drip loss, purge loss %, lipid oxidation (TBARS; thiobarbituric acid reactive substances) and total plate counts (TPC). CIE L* and b* value of SCSW(T1, 2) samples were significantly(P$lt;0.05) lower than SCR samples when they were measured at storage 20 days. The sample of SCSW(T1, 2) showed significantly(P$lt;0.05) lower pH than those of SCR(T3, 4, 5) during storage. The sample of SCSW(T1, 2) showed significantly(P$lt;0.05) higher Drip loss than those of SCR(T3, 4, 5) during 5 days storage. T2 showed the lowest purge loss % whereas T3 remarked the highest purge loss %. The samples of SCSW showed significantly(P$lt;0.05) lower TBARS than those of SCR during storage. TPC was samples of SCSW(T1, 2) showed significantly(P$lt;0.05) lower than other treatments. These results suggested that NVP(non-vacuum packaging) and SCSW could reduce purge loss and discoloration, and extend shelf-life of pork loin.
김원배,정재훈,윤보현,이석인,김민선,오태근,조보연,이홍규,고창순 대한내분비학회 1994 Endocrinology and metabolism Vol.9 No.3
It is well known that normal pregnancy is accompanied by a rise in serum concentrations of thyroxine-binding globulin(TBG) and human chorionic gonadotropin (hCG). Alterations of biochemical parameters of thyroid function are recognized during gestation and sensitive tests to evaluate the alterations easily are required. Therefore, a cross-sectional study was undertaken in 140 healthy pregnant women to evaluate the efficacy of free T_4 measured by 2-step RIA compared to other thyroid function tests and to confirm the changes of thyroid function according to the stages of normal pregnancy. The sensitivities of free T_4 index, free T_4(by 2-step RIA), T_3 and TSH were realtively high(99.3%, 93.6%, 92.9%, 83.6%, respectively) compared to those of T_4 and T_3 bead upgake(49.3%, 21.4%) during all stages of pregnancy. There were positive correlations between free T_4 index and free T_4 or total T_4(r=0.68, r=0.72; p$lt;0.001). The values of free T_4 index sharply decreased from 3.22+-0.10(meam +-SEM) during 6th-12th week to an plateau after 16th-20th week of gestation(p$lt;0.01). The serum concentrations free T_4 and T_3 bead uptake also significantly decreased from 1.65+-0.05 ng/dl, 24.7+- 0.7% during 6th-12th week to an plateau after 16th-20th week of gestation, respectively(p$lt;0.001), No differences were found in the changes of serum concentrations of T_3, T_4 and TSH according to the stages of pregnancy. In conclusion, it is adequate to measure some tests including free T_4 index and free T_4 to evaluate thyroid function during pregnancy. The thyroid physiology and changes of thyroid function according to the stages of pregnancy should be considered in the interpretation of thyroid function status during pregnancy(J Kor Soc Endocrinol 9: 183-189, 1994).
Hwang, H.,Kim, K.I.,Kwon, J.,Kim, B.S.,Jeong, H.S.,Jang, S.J.,Oh, P.S.,Park, H.S.,Lim, S.T.,Sohn, M.H.,Jeong, H.J. Pergamon Press 2017 Nuclear medicine and biology Vol.52 No.-
<P>Advances in knowledge: Transarterial embolization is a conceivable treatment option for patients with inoperable liver cancer to mitigate the disease progression. Recently, we have developed chitosan-based hydrogel microparticles. In the present study, the hydrogel microparticles were radiolabeled with I-131 for treatment of liver cancer. Our results demonstrated that a hepatic arterial injection of I-125 -labeled Chi resulted in substantial liver accumulation, which was accompanied by virtually no extrahepatic deposition. The results of the present study also showed that administration of I-131 Chi markedly suppressed tumor growth, compared to controls and to animals receiving unlabeled Chi. I-131 -labeled chitosan hydrogel microparticles represent a new therapeutic approach for treatment of liver cancer. (C) 2017 Elsevier Inc. All rights reserved.</P>
Oh, C.,Park, T.Y.S.,Woo, J.,Bomfleur, B.,Philippe, M.,Decombeix, A.L.,Kim, Y.H.G.,Lee, J.I. Elsevier Scientific Pub. Co. [etc.] 2016 Review of palaeobotany and palynology Vol.233 No.-
During the first Korea Antarctic Geological Expedition (KAGEX I, 2013/2014), fossil wood was collected from the Triassic fluvial deposits of the Beacon Supergroup at Skinner Ridge in northern Victoria Land, Antarctica. The material is coalified and partially silicified; most specimens are slightly compressed due to burial compaction. In spite of this imperfect preservation, anatomical features of both the xylem and the pith could be observed in some specimens. The xylem displays prominent growth rings and usually araucarioid or somewhat mixed-type radial pitting with some abnormal rings partly composed of parenchymatous tissues. Some specimens also have a wood cylinder that is divided radially by parenchymatous zones. These anatomical features indicate a systematic affinity with Kykloxylon Mey.-Berth., T.N.Taylor et Ed.L.Taylor, a characteristic wood type of the Umkomaciaceae, which flourished throughout Gondwana during the Triassic. The Kykloxylon specimens in this study represent the only wood fossil taxon in the Triassic of Victoria Land, except for a dubious report of Antarcticoxylon Seward in 1914. This may indicate a low diversity of Triassic wood fossils in this area, as in other parts of Antarctica. On the contrary, diverse other gymnosperm organs are known to occur in the Triassic of Antarctica. This low diversity of wood taxa compared to the various plant organs in the Triassic of Antarctica is remarkable. We hypothesize three major reasons for this: 1) the overall structural uniformity of gymnosperm wood compared to other vegetative and especially reproductive organ diversity; 2) the overwhelming dominance of corystosperm plants, with a minor component of voltzialean conifers in the canopy-forming forest vegetation during the Triassic in Antarctica; and 3) the very few systematic studies of fossil wood compared to other plant macrofossils.
Kim, T.-B.,Oh, S.-Y.,Park, H.-K.,Jeon, S.-G.,Chang, Y.-S.,Lee, K.-Y.,Cho, Y. S.,Chae, I.-H.,Kim, Y.-K.,Cho, S.-H.,Moon, H.-B.,Min, K.-U.,Kim, Y.-Y. Blackwell Publishing Ltd 2009 Journal of clinical pharmacy and therapeutics Vol.34 No.4
<P>Summary</P><P>Background and objective: </P><P>Treatment with angiotensin-converting enzyme (ACE) inhibitors can induce chronic cough in many patients. Genetic variations in the neurokinin 2 receptor gene (NK2R) are significantly associated with cough sensitivity to capsaicin.</P><P>Methods: </P><P>This study assessed the relationship between genetic polymorphisms in the NK2R gene and chronic cough in 91 patients taking ACE inhibitors. Patients included in the study did not have chest abnormalities, postnasal drip, gastroesophageal reflux or a recent history of upper respiratory infection.</P><P>Results: </P><P>We detected two single nucleotide polymorphisms in the NK2R gene (i.e., Gly231Glu and Arg375His). The allelic frequencies at amino acid 231 were 36·3% for Gly/Gly, 49·5% for Gly/Glu and 14·3% for Glu/Glu. The allelic frequencies at amino acid 375 were 74·7% for Arg/Arg, 24·2% for Arg/His and 1·1% for His/His. The prevalence of chronic cough in patients with the amino acid 231 genotype was 33·3% in Gly/Gly homozygotes, 24·4% in Gly/Glu heterozygotes and 0% in Glu/Glu homozygotes. There was a statistically significant association between chronic cough and the Glu/Glu allele (<I>P</I> = 0·028) when the data were analyzed with a recessive model. In addition, there was a significant inverse linear association between the number of Glu231 alleles and ACE inhibitor-related cough (<I>P </I>=<I> </I>0·026). The prevalence of chronic cough in patients with the amino acid 375 genotype was 22·1% in Arg/Arg homozygotes, 31·8% in Arg/His heterozygotes and 0% in His/His homozygotes, although none of these association were statistically significant.</P><P>Conclusion: </P><P>Our findings indicate that the Gly231Glu polymorphism is associated with a lower prevalence of ACE inhibitor-related cough.</P>