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| Content Provider | Springer Nature Link |
|---|---|
| Author | Stasia, Marie José Leeuwen, Karin Boer, Martin Martel, Cecile Mollin, Michele Thuret, Isabelle Michel, Gerard Hanson, Celine Augustine, Nancy H. Coutton, Charles Satre, Véronique Wittwer, Carl T. Hill, Harry Roos, Dirk |
| Copyright Year | 2012 |
| Abstract | Chronic granulomatous disease (CGD) is a rare congenital disorder in which phagocytes cannot generate superoxide (O 2 − ) and other microbicidal oxidants due to mutations in one of the five components of the O 2 − -generating NADPH oxidase complex. The most common form is caused by mutations in CYBB on the X chromosome, encoding gp91phox, the enzymatic subunit of the phagocyte NADPH oxidase. Here, we report two rare cases of male X-linked CGD patients, one caused by a 5.7-kb duplication of a region containing CYBB exons 6 to 8 and the other caused by a deletion of this same region. We found both the duplication in patient 1 and the deletion in patient 2 to be bordered by a GT repeat. Indeed, in control DNA, the 3′ part of CYBB intron 5 contains a GT repeat and the 5′ part of intron 8 also contains such a repeat. Duplication of exons 6, 7 and 8 in patient 1 was probably caused by a non-homologous crossing over between the two GT repeats. The deletion found in patient 2 probably arose from a similar misalignment. The results found in these patients were confirmed by multiplex ligation-dependent probe amplification. The clinical profile of XCGD is severe in both patients. |
| Starting Page | 653 |
| Ending Page | 662 |
| Page Count | 10 |
| File Format | |
| ISSN | 02719142 |
| Journal | Journal of Clinical Immunology |
| Volume Number | 32 |
| Issue Number | 4 |
| e-ISSN | 15732592 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2012-03-02 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Chronic granulomatous disease CYBB gene duplication deletion gp91phox NADPH oxidase Immunology Medical Microbiology Internal Medicine Infectious Diseases |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Immunology |
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