• Title/Summary/Keyword: 집단발병

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Transforming growth factor-β gene promoter polymorphism : its association with renal involvement in Henoch-Schölein Purpura in childhood (소아 Henoch-Schölein purpura에서 전환성장인자-β 프로모터유전자의 유전학적 다형성과 신장침범의 관련성)

  • Lee, Seung Ho;Jee, Hwa Young;Kim, Hwang Min;Yeh, Byung Il
    • Clinical and Experimental Pediatrics
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    • v.51 no.5
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    • pp.523-527
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    • 2008
  • Purpose : Several cytokines play important roles in the inflammatory process of Henoch-$Sch\ddot{o}lein$ Purpura (HSP). It is likely that transforming growth $factor-{\beta}$ ($TGF-{\beta}$) is involved in the pathogenesis of HSP. The purpose of this study is to investigate whether $TGF-{\beta}$ promoter polymorphism is associated with the renal involvement of childhood HSP. Methods : Thirty-four patients younger than 15 years, who had been diagnosed with HSP, as well as 27 controls, were examined. Patients and controls were genotyped for $TGF-{\beta}$ C-509T by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Results : The T allelic frequencies in patients and controls showed no difference (45% vs. 48.8%). No allele or genotype differences between the group of HSP group and control group were observed. The frequencies of $TGF-{\beta}$ 509 genotypes TT, TC, and CC were no different between patients and controls (26% vs. 22%). The TT genotype of polymorphism of the $TGF-{\beta}$ C-509T gene had no relation to the susceptibility of children to HSP and renal involvement in HSP. Conclusion : $TGF-{\beta}$ T allele may not be related to the susceptibility of children to HSP. The TT genotype of polymorphism of the $TGF-{\beta}$ C 509T gene does not appear to have an influence on renal involvement in childhood HSP.

The Relationships between UCP-1 Polymorphism and the Degree of Obesity or Plasma Lipid Profile in Prepubertal Children (소아에서의 UCP-1 다형성과 비만도 및 혈액 지질수치와의 관련성에 관한 연구)

  • Oh, Hyun-Hee;Shin, Eun-Jung;Lee, Myoung-Sook
    • Journal of Nutrition and Health
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    • v.41 no.8
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    • pp.767-775
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    • 2008
  • Uncoupling protein-1 (UCP-1) plays a major role in thermogenesis at brown adipose tissues and has been implicated in the pathogenesis of obesity and metabolic disorders. The purpose of this study was to estimate the effects of A-3826G polymorphism in 117 Korean prepubertal children aged 8-11 years olds. Anthropometry by bioelectrical impedance analysis method, plasma lipid profiles by auto-biochemical analyzer and UCP-1 genotyping by PCR-RFLP were done. The frequencies of UCP-1 genotypes were AA; 17.7%, AG; 57.8%, GG; 26.6%. The frequencies of each G allele (55.5%) was similar to Japanese's (49%) and higher than Caucacian's (25%). No correlation UCP-1 polymorphism and BMI (kg/$m^2$) or the degree of obesity described by the relative percentiles of the standard weight according to height in prepubertal children. However, plasma total- and LDL-cholesterol were significantly increased in G allele when sex, age and weight were adjusted. Our results suggested that G allele of UCP-1 gene was stronger risk factors in hyperLDLcholesterolemia than A allele. This impact might be progressed as the precaution against the revalence of obesity based-metabolic disease.

Molecular Epidemiology of Metallo-β-lactamase Producing Pseudomonas aeruginosa Clinical Isolates (임상에서 분리된 Metallo-β-lactamase 생성 Pseudomonas aeruginosa의 분자역학)

  • Choi, Myung-Won
    • Journal of Life Science
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    • v.22 no.9
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    • pp.1268-1276
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    • 2012
  • The emergence and dissemination of carbapenem-resistant bacteria have resulted in limitations of antibiotic treatment and potential outbreaks of metallo-${\beta}$-lactamase (MBL) producing Pseudomonas aeruginosa resistant to carbapenems. In this study, we conducted molecular characterization of the MBL genes of the ${\beta}$-lactam drug-resistant P. aeruginosa and prepared basic data for treatment and prevention of proliferation of antimicrobial-resistant bacterial infections. Forty-two P. aeruginosa isolates of 254 were resistant to imipenem or meropenem. Among the 42 isolates, 28 isolates were positive for the Hodge test, and 23 isolates were positive for the EDTA-disk synergy test (EDST). MBLs were detected in 59.5% (25/42) of P. aeruginosa isolates. Eight isolates harbored $bla_{IMP-6}$, whereas 17 isolates harbored $bla_{VIM-2}$. The $bla_{IMP-6}$ gene was in a class 1 integron containing five gene cassettes: $bla_{IMP-6}$, qac, aacA4, $bla_{OXA-1}$, and aadA1. Some strains that produce IMP-6 and VIM-2 showed epidemiological relationships. The $bla_{IMP-6}$ gene in carbapenem-resistant P. aeruginosa showed an identical pattern to a gene cassette that was reported at a hospital in Daegu, Korea. Therefore, MBL-producing P. aeruginosa is already endemic in the community. We are concerned that the existence of carbapenem-resistant bacteria containing the blaMBL gene may increase pressure on antibiotic selection when treating infections. We believe that we should select appropriate antibiotics based on the antibiotic susceptibility test and continue the research to prohibit the emergence and spread of antibiotics resistant bacteria.

An overview of the regulatory effect of vitamin D supplementation on atopic dermatitis (비타민 D의 기능성: 아토피피부염의 조절에 미치는 영향 연구)

  • Sung, Dong Eun
    • Korean Journal of Food Science and Technology
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    • v.53 no.2
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    • pp.139-148
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    • 2021
  • Atopic dermatitis is a chronic, recurrent, inflammatory skin disease that is a well-known allergic disease with severe itching, making daily life difficult. Since the immunomodulatory action of vitamin D has been reported, several researchers have attempted to determine the correlation between vitamin D and atopic dermatitis. In this review, 41 articles meeting the inclusion criteria were selected and reviewed from the articles published to date. Several studies have reported that low vitamin D levels are associated with the onset of atopic dermatitis and severe atopic dermatitis, but the opinions remain conflicting. Similarly, there are conflicting opinions on the improvement effect of oral vitamin D supplementation on atopic dermatitis, but some possibilities have been suggested. To apply vitamin D as a therapeutic agent for atopic dermatitis, a more systematically designed experiment should be conducted, and an appropriate intake dose for an immunomodulatory function should be obtained.

The Difference of Fitness according to Blood Pressure Level in Korean Women (한국성인 여성의 혈압수준에 따른 체력의 차이)

  • So, Wi-Young;Choi, Dai-Hyuk
    • 한국노년학
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    • v.29 no.1
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    • pp.135-147
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    • 2009
  • Recently, The number of hypertension is increasing with westernized diet and lack of exercise. Many researchers are trying to treat and prevent hypertension by exercise therapy. However, not only did most of studies analyze the effect and usefulness of exercise related to lowering hypertension, but also there is no analysis of the difference of fitness with regard to hypertension according to ages. It is assumed to be important research work to be continued to identify, from the public health's point of view, the difference of fitness with regard to hypertension according to ages can be a essential data for treating and preventing hypertension. Thus, this study is to identify the difference of fitness according to hypertension of adult female over 20s and emphasize the importance of fitness level to the hypertension. Also, this study is to devise valuable study by examining the difference of cardiovascular function. Subjects were 8889 of adult female over 20s. Subjects visited promotion of health center at Y Gu public health center and took comprehensive medical test including hypertension test in Seoul in Korea. It was divided into normal, prehypertension, stage I hypertension and stage II hypertension group by JNC7. The evaluation of cardiorespiratory function was by resting heart rate and lung capacity, the evaluation of fitness was by cardiorespiratory endurance, muscular endurance, muscular strength, power, agility, balance, and flexibility, and the difference of fitness was analyzed by ANCOVA revising independent variable of BMI, drinking, and smoking which affects hypertension. At result, there was significant difference between normal and hypertension group according to most ages in two variable of all cardiorespiratory function, seven fitness variable. Through this study, it was defined that hypertension group had lower cardiorespiratory function and fitness than normal group.

RELATIONSHIP OF MOTHERS' SELF-PERCEPTION WITH PERCEPTION OF CHILDREN'S PROBLEMS - FOCUSING ON VALIDITY SCALES OF MMPI & KPI-C - (어머니의 자기 지각 성향과 자녀 문제에 대한 지각 성향간의 관계 - MMPI와 KPI-C의 타당도 척도를 중심으로 -)

  • Kim, Keun-Hyang;Jung, Yoo-Sook;Hong, Sung-Do;Kim, E-Yong;Kim, Ji-Hae
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • v.9 no.2
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    • pp.174-179
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    • 1998
  • Objective:Present study investigated the relationship between mothers' self-perception and perception of children's problems. Method:Subjects were 63 children, mothers, who visited child & adolescent psychiatric clinic. Their mothers completed Minnesota Mulpiphasic Personality Inventory(MMPI) & Korean Personality Inventory for Children(KPI-C). Correlation between validity scales of mothers' MMPI and validity scales of KPI-C was analysed, and then we divided subjects into two group(High & Low Group) according to the MMPI validity scales, and compared KPI-C's validity scales by student t-test. Result:There were significant positive correlation(r=.30) between K scale of MMPI and L scale of KPI-C, significant negative correlation(r=-.32) F scale of MMPI and L scale of KPI-C. The Means of T scores did show significant difference according to MMPI F, K scales in KPI-C L scale, to MMPI L scale in KPI-C F scale. Conclusion:These results indicated that defensive mothers tend to perceive her child's problems more defensively. However mothers who exaggerate their problem more severely, do not exaggerate their children's problem. Therefore, these result suggested that we should be careful not to underestimate children's problem whose mother elevated in K scale of MMPI.

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The Effect of Memorial Strategy Program on Memory in the Elderly (기억전략 프로그램이 정상 노인의 기억력에 미치는 효과)

  • Lee, Chun-Yeop;Ryu, Seung-Min;Kim, Seung-Hwan;Kong, Do-Hyun;Lee, Dae-Eun;Lee, Ji-Ho;Jung, Hye-Rim
    • The Journal of Korean society of community based occupational therapy
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    • v.6 no.1
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    • pp.33-39
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    • 2016
  • Objective : The cognitive rehabilitation were necessary for the elderly has generally decreased memory in order to recovery and maintain. This study showed that effect of memorial strategy program on memory in the elderly. Methods : 20 elderly who has used seniors welfare center in Busan was divided into an experimental group and control group. The control group used program of seniors welfare center, the experimental group participated memorial strategy program twice a week, total of 8 times. We used contextural memory test(CMT) to compared before and after. Results : Immediate recall and delayed recall were no statistically significant difference(p>.05) in both experimental group and control group when compared before and after. But there was statistically significant difference(p<.05) in a experimental group after memorial strategy program. Conclusion : This study shown that memorial strategy program help memory improve in the elderly. Many programs for memory improve in the elderly expect that prevent dementia or mild cognitive impairment.

Evaluation of Early Generations of Crosses for Incorporation of Resistance to Phytophthora Blight into Sweet Pepper (감미종(甘味種)고추에 역병저항성(疫病抵抗性)을 도입(導入)하기 위한 교잡(交雜) 초기세대(初期世代) 검정(檢定))

  • Jeong, Ho Jeong;Kim, Byung Soo;Shon, Eun Young
    • Current Research on Agriculture and Life Sciences
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    • v.12
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    • pp.29-34
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    • 1994
  • A leading sweet pepper cultivar, Keystone Resistant Giant #3, was crossed with a line with resistance to Phytophthora capsici, PI201232, for incorporation of the resistance and to study the inheritance of resistance to the disease. Seedlings of parents, $F_1$, $F_2$ and backcross populations of a cross between Keystone Resistant Giant #3 and PI201232 were inoculated with zoospore suspension of P. capsici at 36 days after seeding. Most of the $F_1$ seedlings survied the inoculation and this suggested that resistance is dominant over susceptibility. The number of survived plants in $F_2$ population was, however, much less than the killed. All the plants in a backcross to Keystone Resistant Giant #3 were killed. Therefore, the observed numbers did not fit the expected ratio for segregation of one or two dominant alleles as previously reported. The resistance to P. capsici appeared to be inherited in a quantitative mode in evaluation of root rot. Resistant individuals in $F_2$ population were selected and a breeding program for incorporation of the resistance to P. capsici by backcross method is continued.

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An Etiologic Study of Rabbit Dermatitis at Large Rabbit Farms in South Korea (집단 사육 되는 토끼에서 호발하는 피부병에 관한 병인론적 연구)

  • Kim, Sung-Ho;Lee, Jae-Hoon;Chang, Hwa-Seok;Kang, Eun-Hee;Chung, Dai-Jung;Kim, Hwi-Yool
    • Journal of Life Science
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    • v.19 no.11
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    • pp.1499-1505
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    • 2009
  • This study was carried out between August and September 2007 to determine the causative agents and epidemiologic features of rabbit dermatitis in Korea. Rabbits were shipped to the laboratory in the College of Veterinary Medicine from 10 rabbit farms. A total of 520 hair, blood, and skin specimens collected from skin lesions of 40 rabbits with suspected dermatopathy were examined mycologically, bacteriologically, and parasitologically. The positive rates of dermatophytosis, bacterial skin dermatitis, and ectoparasite dermatitis were 95, 92.5, and 7.5%, respectively. The etiologic agents of dermatophytosis were identified as Trichophyton mentagrophyte (95%), non-dermatophytic filamentous fungi such as Aspergillus s(5%), and Cryptococcus humilocus (2.5%). With respect to bacteria-related skin dermatitis, Staphylococcus coagulase negative was the most common etiological agent. Staphylococcus aureus was the second most frequent causative agent. Most of the pathogenic isolates were resistant to tetracycline, and aminoglycosides such as amikacin and gentamicin were the most effective drugs against the pathologic bacteria isolated. Ectoparasites were rarely detected in this study. Only Psoroptes cuniculis was detected in 3 (7.5%) out of the 40 tested rabbits. The role of ectoparasites as a causative agent of dermatitis in rabbits in this study was minimal. Our results provide important information related to rabbit dermatitis treatments and researches.

Development of Cleaved Amplified Polymorphic Sequence (CAPS) Marker for Selecting Powdery Mildew-Resistance Line in Strawberry (Fragaria×ananassa Duchesne) (딸기 흰가루병 저항성 계통 선발을 위한 분자마커 개발)

  • Je, Hee-Jeong;Ahn, Jae-Wook;Yoon, Hae-Suk;Kim, Min-Keun;Ryu, Jae-San;Hong, Kwang-Pyo;Lee, Sang-Dae;Park, Young-Hoon
    • Horticultural Science & Technology
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    • v.33 no.5
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    • pp.722-729
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    • 2015
  • Powdery mildew (PM) caused by Podosphaera aphanis is a major disease that can result in significant yield losses in strawberry (Fragaria ${\times}$ ananassa Duchesne). For preventing PM, pesticides are usually applied in strawberry. In this study, molecular markers were developed to increase breeding efficiency of PM-resistance cultivars by marker-assisted selection (MAS). An $F_2$ population derived from a cross between PM-resistance 'Seolhyang' and PM-susceptibility 'Akihime' was evaluated for disease resistance to PM and RAPD (random amplification of polymorphic DNA)-BSA (bulked segregant analysis). Among 200 RAPD primers tested, OPE10 primer amplified a 311bp-band present in with 331bp. Sequence alignment performed for searching polymorphisms and six single nucleotide polymorphism (SNP) were found in amplified regions. To develop polymorphic marker for distinguishing between resistant and susceptible, RAPD was converted to cleaved amplified polymorphic sequence (CAPS) marker. Among restriction enzymes associated with six SNPs, Eae I (Y/GGCCR) was successfully digested to 231bp in susceptible. The results suggest that the selected CAPS marker could be used for increasing efficiency of selecting powdery mildew resistant strawberry in breeding system.