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6 results on '"Onyiah, Chioma C."'

1. Association of Variants of the Interleukin-23 Receptor Gene With Susceptibility to Pediatric Crohn’s Disease

Author

Baldassano, Robert N., Bradfield, Jonathan P., Monos, Dimitri S., Kim, Cecilia E., Glessner, Joseph T., Casalunovo, Tracy, Frackelton, Edward C., Otieno, F. George, Kanterakis, Stathis, Shaner, Julie L., Smith, Ryan M., Eckert, Andrew W., Robinson, Luke J., Onyiah, Chioma C., Abrams, Debra J., Chiavacci, Rosetta M., Skraban, Robert, Devoto, Marcella, Grant, Struan F.A., and Hakonarson, Hakon

Published
2007
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2. A Novel Susceptibility Locus for Type 1 Diabetes on Chr12q13 Identified by a Genome-Wide Association Study

Author

Hakonarson, Hakon, Qu, Hui-Qi, Bradfield, Jonathan P., Marchand, Luc, Kim, Cecilia E., Glessner, Joseph T., Grabs, Rosemarie, Casalunovo, Tracy, Taback, Shayne P., Frackelton, Edward C., Eckert, Andrew W., Annaiah, Kiran, Lawson, Margaret L., Otieno, F. George, Santa, Erin, Shaner, Julie L., Smith, Ryan M., Onyiah, Chioma C., Skraban, Robert, Chiavacci, Rosetta M., Robinson, Luke J., Stanley, Charles A., Kirsch, Susan E., Devoto, Marcella, Monos, Dimitri S., Grant, Struan F.A., and Polychronakos, Constantin

Published
2008

3. Association of the T300A non-synonymous variant of the ATG16L1 gene with susceptibility to paediatric Crohn’s disease

Author

Baldassano, Robert N, Bradfield, Jonathan P, Monos, Dimitri S, Kim, Cecilia E, Glessner, Joseph T, Casalunovo, Tracy, Frackelton, Edward C, Otieno, F George, Kanterakis, Stathis, Shaner, Julie L, Smith, Ryan M, Eckert, Andrew W, Robinson, Luke J, Onyiah, Chioma C, Abrams, Debra J, Chiavacci, Rosetta M, Skraban, Robert, Devoto, Marcella, Grant, Struan F A, and Hakonarson, Hakon

Published
2007

4. High-resolution mapping and analysis of copy number variations in the human genome: a data resource for clinical and research applications

Author

Shaikh, Tamim H., Xiaowu Gai, Perin, Juan C., Glessner, Joseph T., Hongbo Xie, Murphy, Kevin, O'Hara, Ryan, Casalunovo, Tracy, Conlin, Laura K., D'Arcy, Monica, Frackelton, Edward C., Geiger, Elizabeth A., Haldeman-Englert, Chad, Imielinski, Marcin, Kim, Cecilia E., Medne, Livija, Annaiah, Kiran, Bradfield, Jonathan P., Dabaghyan, Elvira, Eckert, Andrew, Onyiah, Chioma C., Ostapenko, Svetlana, Otieno, F. George, Santa, Erin, Shaner, Julie L., Skraban, Robert, Smith, Ryan M., Elia, Josephine, Goldmuntz, Elizabeth, Spinner, Nancy B., Zackai, Elaine H., Chiavacci, Rosetta M., Grundmeier, Robert, Rappaport, Eric F., Grant, Struan F.A., White, Peter S., and Hakonarson, Hakon

Subjects
African Americans -- Genetic aspects, DNA microarrays -- Usage, High resolution spectroscopy -- Analysis, Human genome -- Research, Whites -- Genetic aspects, Health
Published
2009

5. ▪Association of Variants of the Interleukin-23 Receptor Gene With Susceptibility to Pediatric Crohn’s Disease.

Author

Baldassano, Robert N., Bradfield, Jonathan P., Monos, Dimitri S., Kim, Cecilia E., Glessner, Joseph T., Casalunovo, Tracy, Frackelton, Edward C., Otieno, F. George, Kanterakis, Stathis, Shaner, Julie L., Smith, Ryan M., Eckert, Andrew W., Robinson, Luke J., Onyiah, Chioma C., Abrams, Debra J., Chiavacci, Rosetta M., Skraban, Robert, Devoto, Marcella, Grant, Struan F.A., and Hakonarson, Hakon

Subjects
INTERLEUKINS, CROHN'S disease, JUVENILE diseases, STATISTICAL hypothesis testing
Abstract

Background & Aims: Recently an association was shown between the single nucleotide polymorphism (SNP), rs11209026, within the interleukin-23 receptor (IL23R) locus and Crohn’s disease (CD) as a consequence of a genome-wide association study of this disease in adults. We examined the effects of this and other previously reported SNPs at this locus with respect to CD in children. Methods: By using data from our ongoing genome-wide association study in our cohort of 142 pediatric CD patients and 281 matched controls, we investigated the association of the previously reported SNPs at the IL23R locus with the childhood form of this disease. Results: By using the Fisher exact test, the minor allele frequency of rs11209026 in the patients was 1.75%, whereas it was 6.61% in the controls, yielding a protective odds ratio (OR) of 0.25 (95% confidence interval, 0.10–0.65; 1-sided P = 9.2 × 10−4). Furthermore, of all the SNPs previously reported, rs11209026 was associated the most strongly. A subsequent family based association test (which is more resistant to population stratification) with 65 sets of trios derived from our initial patient cohort yielded significant association with rs11209026 in a transmission disequilibrium test (1-sided P = .0017). In contrast, no association was detected to the caspase-recruitment domain 15 gene for the inflammatory bowel disease phenotype. Conclusions: The OR of the IL23R variant in our pediatric study is highly comparable with that reported previously in a non-Jewish adult inflammatory bowel disease case-control cohort (OR, 0.26). As such, variants in the IL23R gene confer a similar magnitude of risk of CD to children as for their adult counterparts. [Copyright &y& Elsevier]

Published
2007
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6. Association of the T300A non- synonymous variant of the ATG16L1 gene with susceptibility to paediatric Crohn's disease.

Author

Boldassano, Robert N., Bradfield, Jonathan P., Manos, Dimitri S., Kim, Cecilia E., Glessner, Joseph T., Casalunovo, Tracy, Frackelton, Edward C., Otieno, F. George, Kanterakis, Stathis, Shaner, Julie L., Smith, Ryan M., Eckert, Andrew W., Robinson, Luke J., Onyiah, Chioma C., Abrams, Debra J., Chiavacci, Rosetta M., Skraban, Robert, Devoto, Marcella, Grant, Struaan F. A., and Hakonarson, Hakon

Subjects
LETTERS to the editor, CROHN'S disease
Abstract

A letter to the editor which offers information about the association of the T300A non-synonymous variant of the ATG16L1 gene with susceptibility to pediatric Crohn's disease is presented.

Published
2007
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