期刊
REPRODUCTIVE TOXICOLOGY
卷 21, 期 4, 页码 345-349出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.reprotox.2005.08.006
关键词
susceptibility; infectious diseases; segregation; inheritance; immunogenetics
The clinical outcome of infectious disease (ID) is determined by a complex interaction between microorganism, host genetic factors and environment. Epidemiological studies have revealed differences within and between populations exposed to the same infectious agent, and in the prevalence or severity of the disease, underlying the relevance of the genetic background. Population genetic studies have estimated the genetic component (susceptibility) in the ID determination and have identified some susceptibility gene(s)/polymorphism(s). This paper describes the methods used in genetic epidemiology. Complex segregation analysis is used to define genetic models. Parametric linkage analysis and association studies are used to identify polymorphisms strongly linked to the disease. Genome-wide scan and microarray technology are used to map and identify major genes for ID. Future developments will identify subgroups of subjects at different risks of developing ID. (c) 2005 Elsevier Inc. All rights reserved.
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