1. Deletion of chr7p22 and chr15q11: Two Familial Cases of Immune Deficiency: Extending the Phenotype Toward Dysimmunity
- Author
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Natacha Sloboda, Arthur Sorlin, Mylène Valduga, Mylène Beri-Dexheimer, Claire Bilbault, Fanny Fouyssac, Aurélie Becker, Laëtitia Lambert, Céline Bonnet, and Bruno Leheup
- Subjects
7p22 ,vasculitis ,hypogammaglobulinemia ,CGH array ,dysimmunity ,Immunologic diseases. Allergy ,RC581-607 - Abstract
Background: We report here two new familial cases of associated del15q11 and del7p22, with the latter underlining the clinical variability of this deletion. Two siblings patients presented a similar familial imbalanced translocation, originating from a balanced maternal translocation, with deletions of 7p22 and of 15q11 [arr[GRCh37] 7p22.3-p22.2(42976-3736851)x1, 15q11.1-q11.2(20172544-24979427)x1].Methods: We used aCGH array, FISH, and karyotype for studying the phenotype of the two patients.Results: The 7p22 deletion (3.5 Mb) contained 58 genes, including several OMIM genes. Patients 1 and 2 exhibited acquisition delays, morphological particularities, and hypogammaglobulinemia, which was more severe in patient 1. Patient 1 presented also with cerebral vasculitis.Conclusion: We discuss here how the PDGFa, CARD11, LFNG, GPER1, and MAFK genes, included in the deletion 7p22, could be involved in the clinical and biological features of the two patients.
- Published
- 2019
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