Sudden Infant Death syndrome (SIDS) is a diagnosis of exclusion. Decades of research have made steady gains in understanding plausible mechanisms of terminal events. Current evidence suggests SIDS includes heterogeneous biological conditions, such as metabolic, cardiac, neurologic, respiratory, and infectious conditions. Here we review genetic studies that address each of these areas in SIDS cases and cohorts, providing a broad view of the genetic underpinnings of this devastating phenomenon. The current literature has established a role for monogenic genetic causes of SIDS mortality in a subset of cases. To expand upon our current knowledge of disease-causing genetic variants in SIDS cohorts and their mechanisms, future genetic studies may employ functional assessments of implicated var-iants, broader genetic tests, and the inclusion of parental genetic data and family history information.
CITATION STYLE
Keywan, C., Poduri, A. H., Goldstein, R. D., & Holm, I. A. (2021). Genetic factors underlying sudden infant death syndrome. Application of Clinical Genetics. Dove Medical Press Ltd. https://doi.org/10.2147/TACG.S239478
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