The DOI matches its Crossref record; 70 of the 70 references it cites were found in a registry or an index.
Twin and family studies reveal strong environmental and weaker genetic cues explaining heritability of eosinophilic esophagitis
Open accessAbstract
Background Eosinophilic esophagitis (EoE) is a chronic antigen-driven allergic inflammatory disease, likely involving the interplay of genetic and environmental factors, yet their respective contributions to heritability are unknown. Objective To quantify risk associated with genes and environment on familial clustering of EoE. Methods Family history was obtained from a hospital-based cohort of 914 EoE probands, (n=2192 first-degree “Nuclear-Family” relatives) and the new international registry of monozygotic and dizygotic twins/triplets (n=63 EoE “Twins” probands). Frequencies, recurrence risk ratios (RRRs), heritability and twin concordance were estimated. Environmental exposures were preliminarily examined. Results Analysis of the Nuclear-Family–based cohort revealed that the rate of EoE, in first-degree relatives of a proband, was 1.8% (unadjusted) and 2.3% (sex-adjusted). RRRs ranged from 10–64, depending on the family relationship, and were higher in brothers (64.0; p=0.04), fathers (42.9; p=0.004) and males (50.7; p<0.001) compared to sisters, mothers and females, respectively. Risk of EoE for other siblings was 2.4%. In the Nuclear-Families, combined gene and common environment heritability (hgc2) was 72.0±2.7% (p<0.001). In the Twins cohort, genetic heritability was 14.5±4.0% (p<0.001), and common family environment contributed 81.0±4% (p<0.001) to phenotypic variance. Proband-wise concordance in MZ co-twins was 57.9±9.5% compared to 36.4±9.3% in DZ (p=0.11). Greater birth-weight difference between twins (p=0.01), breastfeeding (p=0.15) and Fall birth season (p=0.02) were associated with twin discordance in disease status. Conclusions EoE recurrence risk ratios are increased 10–64-fold compared with the general population. EoE in relatives is 1.8–2.4%, depending upon relationship and sex. Nuclear-Family heritability appeared to be high (72.0%). However, Twins cohort analysis revealed a powerful role for common environment (81.0%) compared with additive genetic heritability (14.5%).
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Self-citationEosinophilic esophagitis: Updated consensus recommendations for children and adults
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Self-citationDevelopmental plasticity and human health
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Microbial Exposure During Early Life Has Persistent Effects on Natural Killer T Cell Function
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Metadata
- Authors
- Alexander, E. S., Martin, L. J., Collins, M. H., Kottyan, L. C., Sucharew, H., He, H., Mukkada, V. A., Succop, P. A., Abonia, J. P., Foote, H., Eby, M. D., Grotjan, T. M., Greenler, A. J., Dellon, E. S., Demain, J. G., Furuta, G. T., Gurian, L. E., Harley, J. B., Hopp, R. J., Kagalwalla, A., Kaul, A., Nadeau, K. C., Noel, R. J., Putnam, P. E., von Tiehl, K. F., & Rothenberg, M. E.
- Venue
- Journal of Allergy and Clinical Immunology
- Publisher
- Elsevier BV
- Published
- 2014-11
- Volume
- 134
- Issue
- 5
- Pages
- 1084-1092.e1
- ISSN
- 0091-6749 (ISSN-L)
- OpenAlex
- W2142243176
- Cited by
- 299
- References
- 70
- FWCI
- 19.12
- Type
- journal article
- Language
- en
- Open access
- green
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- Alexander, E. S., Martin, L. J., Collins, M. H., Kottyan, L. C., Sucharew, H., He, H., Mukkada, V. A., Succop, P. A., Abonia, J. P., Foote, H., Eby, M. D., Grotjan, T. M., Greenler, A. J., Dellon, E. S., Demain, J. G., Furuta, G. T., Gurian, L. E., Harley, J. B., Hopp, R. J., . . . Rothenberg, M. E. (2014). Twin and family studies reveal strong environmental and weaker genetic cues explaining heritability of eosinophilic esophagitis. Journal of Allergy and Clinical Immunology. https://doi.org/10.1016/j.jaci.2014.07.021
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