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포도상구균 폐렴을 동반한 고면역글로불린 E 증후군 1례
오흥원,서원석,신상만 순천향의학연구소 1995 Journal of Soonchunhyang Medical Science Vol.1 No.1
The hyperimmunoglobulin E syndrome is a rare primary immunodeficiency disorder characterized by extremely high serum IgE levels and eosinophilia, and serious recurrent bacterial infections of the skin and sinopulmonary tract in early life. Associated clinical features are coarse facial appearance and chronic eczematoid dermatitis. The most common organism that infect these patients are S. aureus and C. albicans. The patients' serum IgE levels are elevated but the basic immunologic mechanism is not fully understood. It is believed that the elevated IgE levels reflect a T-cell imbalance characterized by T-cell activation and a deficiency of suppressor T cells to inhibit IgE production. We have experienced a case of hyperimmunoglobulin E syndrome in a ??-year-old boy who had suffered from recurrent staphylococcal pneumonia and onychomycosis and chronically pruritic dermatitis from 3 months of age with elevated serum IgE level. A brief review of the related literature is presented.
대장균 세포내 칼모듈린 돌연변이체 고발현을 위한 클로닝 및 Chemiluminescence 검출법에 의한 발현분석
오석홍,박윤식,양문식,최동성 우석대학교 자연과학연구소 1996 自然科學硏究論文集 Vol.1 No.-
To obtain a large amount of VU-4 calmodulin (115, Lys to Ile). VU-4 calmodulin gene with Ptac promoter (680 bp) was cloned into a plasmid, pUC18. Newly cloned pUC18/VU-4 was transferred into E. coli UT481. The plasmid isolated from cell extracts of the transformed E. coli was analyzed by restriction mapping and yielded the expected restriction endonuclease map with BamHI and EcoRI. Calmodulin was detected by Western blot analysis using chemiluminescence protocol and the estimated expression level was 60 pmole calmodulin/mg protein. Calmodulin was purified from the E. coli cell extracts by Ca^(2+)-dependent chromatography on a phenyl-Sepharose column. The purified calmodulin was identified as a mutant VU-4 calmodulin by SDS-PAGE and methyltransferase substrate test.
朴興秀,尹錫旺,李聖壽,朴光俊,吳世珍 성균관대학교 기초과학연구소 1986 論文集 Vol.37 No.1
An anechoic chamber was constructed to make to condition of acoustic free field at the Department of Physics, Sung Kyun Kwan University. In this paper the criteria for the design and construction of the anechoic chamber are described. 48cm long wedges of density 15.3kg/㎥ glasswool attached to the 40×20×20㎤ base were used for the lining of anechoic chamber with the cutoff frequency of 125Hz. The interior space of the chamber is 3.56m long, 3.38m wide and 2.37m high.
이용근,이흥수,이성재,방기숙,오상엽 원광대학교 생체재료·매식연구소 1996 원광생체재료·매식 Vol.5 No.2
Human teeth vary widely in color. Practitioner and patients are concerned with preventing and correcting discolored or dark teeth to achieve and maintain stain-free, white teeth. Tooth brushing cannot after tooth color but it can remove adherent films and stains. Esthetics of natural dentition can be improved by bleaching and this process can be applied to intrinsically and extrinsically stained teeth. The need for a brighter, more attractive smile has made rapid growth in the marker for tooth whiteners. There is no doubt these products work as whiteners, at least on mild to moderate stains, but the safety of these products are unclear. In this experiment, the effect of tooth whitener application on the color of extracted human enamel was measured. RMS, RMT and NWT were used as tooth whiteners, and tooth paste(ETQ) and hydrogen peroxide solution(HPO) were used as controls. 35 caries-free extracted human molars were embedded and polished with the exposed enamel diameter of 4 mm. The tooth whiteners and control agents were according applied to the manufacturers' instructions of clinically simulated procedures for eight weeks, and measurements were repeated every two weeks. CLELAB color difference(ΔE^*) was measured using Differential Colorimeter(Model TC-6FX, Denshoku Co., Japan). The results were are follows ; 1. After application of tooth whiteners and controls for eight weeks, the color change of all groups were not significantly different from each other (p>0.01). But after application of agents for 2 weeks and four weeks, the color difference of NWT applied group and HPO applied group were significantly higher than those of others(p<0.01). 2. The application of tooth paste and paste type tooth whitener made gradual color change, but hydrogen peroxide gel type whitener and hydrogen peroxide solution made rapid color change during initial application period.
서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1994)
김재홍,안진균,정성재,김영태,김중환,김시영,이석종,이홍렬,서호석,김경훈,권혁진,정우권,고우석,이용석,안필수,오준규,오용섭 대한화학요법학회 1996 대한화학요법학회지 Vol.14 No.1
Background : In recent years gonorrhoea has been panendemic and remains one of the most common Sexually Transmitted Diseases in the world, especially in developing countries. Objective & Method : For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria Gonorrhoeae(PPNG), Ive have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results : In 1994, 168 strains of N. gonorrhoeae were isolated, among which 109 (64,9% ) were PPNG. Conclustion : Our results suggests that the prevalence of PPNG in Seoul is still increasing.
Oh, Suk-Heung,Cha, Youn-Soo,Sohn, Hee-Sook The Korean Society of Food Science and Nutrition 1998 Preventive Nutrition and Food Science Vol.3 No.3
Rat testis known to contain all of the enzymes required for carnitine biosynthesis also contains high concentration of calmodulin, a protein which may or may not contain trimethyllysine, the major substrate in carnitine biosynthesis. The purpose of this study was to investigate the levels of carnitine and the state of calmodulin N-methylation in rat testes, and to discuss the possibility of the involvement of calmodulin incarnitine biosynthesis. Nonesterified carnitine , acid soluble acyl carnitine, and acid insoluble acyl carnitine of ra tests were 273 nmole, 62nmole, and 4 nmole/g tissue, respectively. Total carnitine level was 339 nmole/g testes tissue. Calmodulin purified from rat tests was assayed for methylation potential using N-methyltransferase from the rat testes. Rat testes calmodulin showed no 3H-methyl incorporation indicating that the calmodulin was trimethylated already by endogenous calmodulin N-methyltransferase. Amino acid composition analysis revealed that the rat testes calmodulin containd one mole of trimethyllysine per mole of calmodulin. These data suggest that testes calmodulin could provide the trimethyllysine needed for the synthesis of carnitine in the rat tests.
Oh, Suk-Heung,Cha, Youn-Soo Korean Society for Biochemistry and Molecular Biol 2001 Journal of biochemistry and molecular biology Vol.34 No.2
The levels of $\gamma$-aminobutyric acid (GAGA) have been analyzed from pharbitis seeds by an AccQ-Tag amino acid analysis procedure. The GABA level of the pharbitis seeds was 125 nmole per gram fresh weight. To investigate the effects of pharbitis seed diets on serum and hepatic lipid levels, as well as enzyme activities of rats administered with ethanol chronically, Sprague-Dawley male rats were fed with either a AIN-76 diet (control), a control diet plus ethanol, a control plus pharbitis seed diet, or a control plus pharbitis seed diet plus ethanol for 30 days. Pharbitis seed diets decreased the serum total cholesterol, triglyceride, LDL-cholesterol, and $\gamma$-GTP levels that were increased by the chronic ethanol administration. In addition, pharbitis seed diets decreased the liver triglyceride and total lipid levels that were increased by the ethanol administration. However, ethanol metabolism was not retarded by the pharbitis seed supplemented diets. The present Endings, plus previous data showing the differences in the effects of cabbage diets having a high or a low level of GABA on the lipid levels and the enzyme activities of rats (Cha and Oh [2000] J. Korean Soc. Food Sci. Nutr. 29, 500-505), raise the possibility that GABA in plants could have a nutraceutical role in the recovery of chronic alcohol-related diseases.
Oh, Suk-Heung,Park, Yoon-Sick,Yang, Moon-Sik The Korea Science and Technology Center 1999 BMB Reports Vol.32 No.1
In order to understand the biological role of calmodulin in plants, transgenic tobacco plants expressing a calmodulin mutant (VU-4 calmodulin, lys to ile-115) gene have been analyzed. SDS-PAGE and Western-blot analyses showed that the foreign calmodulin mutant is stably and highly expressed in the transgenic tobacco plants. The levels of H₂O₂ were elevated approximately 2-fold in the transgenic plants. Furthermore, the transgenic tobacco plants have more than 6-fold higher levels of NADPH compared to control tobacco plants. The present findings, combined with previous data showing differences in the susceptibility of the transgenic tobacco seeds and normal tobacco seeds to fungal contamination (Oh and yang,1996), suggest that the expression of the calmodulin derivative gene in tobacco plants could increase resistance to infection by fungal pathogens.