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Mi Jung Kim  (Kim MJ) 2 Articles
A Novel Mutation of the Vasopressin-Neurophysin II Gene in a Familial Neurohypophyseal Diabetes Insipidus.
Mi Jung Kim, Byung Wan Lee, In Kyung Jeong, Jun Goo Kang, Seong Jin Lee, Eun Gyung Hong, Hyeon Kyu Kim, Doo Man Kim, Jae Myung Yoo, Sung Hee Ihm, Moon Gi Choi, Hyung Joon Yoo
J Korean Endocr Soc. 2007;22(2):118-124.   Published online April 1, 2007
DOI: https://doi.org/10.3803/jkes.2007.22.2.118
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AbstractAbstract PDF
Autosomal dominant familial neurohypophyseal diabetes insipidus (adFNDI) is a rare form of central diabetes insipidus (DI), and this malady is clinically characterized by polydipsia and polyuria, and it is caused by mutation in the vasopressin-neurophysin II. We identified a Korean family that suffered with adFNDI and we found a novel mutation in the NP II molecule. The index subject's DI symptoms dated to childhood, and his familial history was consistent with autosomal transmission. The diagnosis of central DI was done by performing a water deprivation test and a vasopressin challenge test. For molecular analysis, the genomic DNA was extracted and the AVP-NP II gene was amplified by polymerase chain reaction from four clinically-affected members and seven clinically-nonaffected members. Genetic analysis of AVP-NP II revealed new a heterozygous missense mutation in exon 2 of the AVP-NP II gene (+1692C > A) and this amino acid substitution (Cys105Stop) was predicted to have occurred in four clinically-affected subjects. In summary, in the present study we have described a novel mutation of the AVP-NPII gene in a Korean family suffering with adFNDI.
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Association of Polymorphism in beta3-Adrenergic Receptor Gene with Fat Distribution.
Tae Sung Yun, Yong Deuk Kim, Hye Soon Kim, Mi Jung Kim, Young Sung Suh, Jung Hyeok Kwon, Jin Soo Choi, Jung Guk Kim, Sung Woo Ha, Bo Wan Kim, Kyu Chang Won, Hyong Woo Lee, Ho Sang Shon, Ji Hyun Lee, Hyun Dae Yoon, Won Ho Kim, Young Gil Yun, In Kyu Lee
J Korean Endocr Soc. 2003;18(2):184-192.   Published online April 1, 2003
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AbstractAbstract PDF
BACKGROUND
Reasons for obesity include environmental factors and, more largely so, genetic factors. There have been many studies on these genetic factors. So far, genes related to obesity such as Leptin, Uncoupling Protein(UCP), Peroxisome proliferator activated receptor-gamma(PPAR-gamma), and Beta3-adrener-gic receptor(beta3-AR) gene have been discovered. Among these, beta3-AR is expressed in visceral adipose tissue and is thought to contribute to the regulation of resting metabolic rate and lipolysis. The missense mutation of beta3-AR gene, resulting in replacement of tryptophan by arginine at position 64(Trp64Arg), is associated with decreased resting metabolic rate and weightgain. We performed this study to determine if Trp64Arg polymorphism of beta3-AR gene is associatedwith obesity in Koreans. METHOD: We investigated the relationship between the beta3-AR gene mutation and body mass index (BMI), waist circumference, hip circumference, waist to hip ratio(WHR), area of subcutaneous fat, area of visceral fat, visceral to subcutaneous fat ratio(VSR), and lipid profile. 198 subjects were included in this study of which 97 were of normal weight and 101 were obese. Anthropometric data was obtained from physical examination and medical records. RESULT: In the cases of beta3-AR gene mutation of the obese group, the ratio of Trp/Arg and Arg/Arg are 43% and 5%, respectively, which were higher than the normal group(36%, 1%), although a statistical significant was not found. There was significant difference in the are of subcutaneous fat. Normal group(Trp/Trp) measured at 213.9+/-109.6cm2 versus 244.0+/-127.7cm2 (Trp/Arg) and 323.9+/-189.9cm2(Arg/Arg) for the mutation groups. Circumference of waist, circumference of hip, WHR, area of visceral fat, and VSR were higher in the mutation groups than in normal subject, but not significantly different. CONCLUSION: These results suggest that a genetic mutation in the beta3-AR gene can affect body fat composition, and is associated with obesity in Korean adults.
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Endocrinol Metab : Endocrinology and Metabolism