Study of Genetic Inheritance in Osmidrosis Patients Based on Pedigree Analysis

가계도 분석을 통한 액취증 유전 경향에 대한 연구

  • Lee, Jung Woo (Department of Plastic and Reconstructive Surgery, College of Medicine, Hanyang University) ;
  • Kim, Jeong Tae (Department of Plastic and Reconstructive Surgery, College of Medicine, Hanyang University) ;
  • Kim, Chang Yeon (Department of Plastic and Reconstructive Surgery, College of Medicine, Hanyang University)
  • 이정우 (한양대학교 의과대학 성형외과학교실) ;
  • 김정태 (한양대학교 의과대학 성형외과학교실) ;
  • 김창연 (한양대학교 의과대학 성형외과학교실)
  • Received : 2008.03.17
  • Accepted : 2008.06.16
  • Published : 2008.10.15

Abstract

Purpose: Bacterial degeneration of sweat and increased secretion of over developed apocrine sweat gland are known causes of osmidrosis. In addition, genetic inheritance must be another important cause, because there are high incidence rates of osmidrosis in familial members. But the research about genetic inheritance has been overlooked. For this reason we studied genetic inheritance in osmidrosis patients based on pedigree analysis. Methods: We have evaluated pedigree of 52 patients who have diagnosed and treated in our hospital from January 2003 to August 2007. For making pedigrees, we have evaluated 3 generations of affected lineage from osmidrosis patients. Family members having uncertain information or those who are before puberty are excluded. In pedigree analysis, inheritance rate and inheritance pattern from parents, prevalence rate in generations and sexual prevalence are evaluated. Results: In this study, we divided pedigrees into 3 different groups according to inheritance pattern. Group A is genetically unrelated pattern with no prevalence between familial members in 7 families. Group B is weakly expressed pattern with 17 families there are genetically related but no genetic patterns are founded. In group B inheritance rate is 34% and incidence rate is 21% in 2nd generation and 22% in 3rd generation. Group C is autosomal dominant pattern with 31 families. In group C, there are no differences in sexual prevalence. Incidence rate is 43% in 2nd generation and 49% in 3rd generation. Conclusion: In this study, we have studied pedigrees of 52 families of osmidrosis patients. 60% of the pedigrees shows autosomal dominant pattern, 33% shows genetically related but no definite autosomal dominant pattern and 7% shows genetically unrelated pattern. In Conclusion, This study can be basic data for future gene analysis study of osmidrosis.

Keywords

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