In VitroChromosomal Radiosensitivity in Common Variable Immune Deficiency

Common variable immune deficiency (CVID) is characterized by low immunoglobulin levels and recurrent infections in patients with a period of normal immune function several years after birth. It is associated with diarrhea, malabsorption, bronchiectasis, and lymphoreticular malignancies. Radiation-in...

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Bibliographic Details
Published in:Clinical immunology and immunopathology 1998-02, Vol.86 (2), p.180-182
Main Authors: Palanduz, Sukru, Palanduz, Ayse, Yalcin, Isik, Somer, Ayper, Ones, Ulker, Ustek, Duran, Ozturk, Sukru, Salman, Nuran, Guler, Nermin, Bilge, Hatice
Format: Article
Language:English
Subjects:
common variable immune deficiency
radiosensitivity
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Summary:Common variable immune deficiency (CVID) is characterized by low immunoglobulin levels and recurrent infections in patients with a period of normal immune function several years after birth. It is associated with diarrhea, malabsorption, bronchiectasis, and lymphoreticular malignancies. Radiation-induced chromosome instability may contribute to the high degree of susceptibility to neoplasia. Peripheral blood lymphocyte cultures were obtained from six patients with CVID and the healthy control group matched by age and sex. The groups did not differ in the frequency of spontaneous chromosome aberrations. After exposure to X-ray radiation, mitotic indices were found to be significantly low and incidence of chromosomal alterations were high in the CVID group. We conclude that chromosomes of cells from patients with CVID are significantly more radiosensitive than those of controls. Thus these patients must be protected from unnecessary X-ray examinations and in case of radiosensitive tumour, the dose of irradiation should be carefully monitored.
ISSN:0090-1229
1090-2341
DOI:10.1006/clin.1997.4478