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Information Journal Paper

Title

Comparison of Clinical Manifestations, Immunological Analyses between LRBA and CVID Patients: A Longitudinal Study

Pages

  46-53

Abstract

 Background: Immunodeficiency/fa?page=1&sort=1&ftyp=all&fgrp=all&fyrs=all" target="_blank">Common variable immunodeficiency (CVID), is generally recognized as the most frequent type of Symptomatic primary immunodeficiencies (PID). Mutations in lipopolysaccharide-responsive beige-like anchor protein (LRBA) gene, are the most common genetic alterations amongst CVID patients. To date, there are no published studies to compare clinical and immunologic features of LRBA-deficient patients with those who do not harbor any known genetic mutations. Therefore, this study aims to compare the clinical manifestations and laboratory findings of Iranian patients with LRBA-deficiency and CVID with no known genetic alterations. Methods: We performed a longitudinal study on patients who had been diagnosed with CVID. Demographic and clinical features were obtained via the databank of the Iranian Registry of Primary Immunodeficiencies, and the direct interviews with patients. To assess the presence of LRBA or other genetic mutations, wholeexome sequencing (WES) was used. Immunologic characteristics of patients were evaluated using flow cytometry, nephelometry, and conventional blood counts. The current study is conducted at Tehran’, s Children Medical Center and is approved by the ethics committee of Tehran University of Medical Sciences. Results: Between March 2013 and October 2019, we enrolled 30 patients with LRBA-deficiency and 13 patients with CVID, who had no identified genetic mutations. Regarding clinical features, there were no significant differences for the prevalence of infections at different sites (lung, sinuses, and middle ear) among the two groups (all P > 0. 05). However, the incidences of autoimmune disorders and enteropathy were significantly higher among LRBA-deficient cases (P < 0. 001). In serum levels of immunoglobulins, there were significant differences for IgG and IgM between the two groups (P of 0. 014 and 0. 004, respectively),however, this was not seen for IgA and IgE levels. Likewise, we did not see any significant differences for the cluster of differentiation (CD) markers between the two groups (all P > 0. 05). Conclusion: Compared to the CVID patients with no identified genetic mutations, LRBA-deficient patients have a significantly greater chance of parental consanguinity and developing autoimmune disorders and enteropathy, and have significantly higher values of serum IgG and IgM. The rate of infectious complications and other basic laboratory features, do not show significant differences between the two groups.

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    APA: Copy

    TAFAROJI, JAVAD, Mahdavi Sharif, Pouya, KARIMI, SAEED, & Sharifi, Ali Reza. (2021). Comparison of Clinical Manifestations, Immunological Analyses between LRBA and CVID Patients: A Longitudinal Study. IMMUNOLOGY AND GENETICS JOURNA, 4(1), 46-53. SID. https://sid.ir/paper/1076617/en

    Vancouver: Copy

    TAFAROJI JAVAD, Mahdavi Sharif Pouya, KARIMI SAEED, Sharifi Ali Reza. Comparison of Clinical Manifestations, Immunological Analyses between LRBA and CVID Patients: A Longitudinal Study. IMMUNOLOGY AND GENETICS JOURNA[Internet]. 2021;4(1):46-53. Available from: https://sid.ir/paper/1076617/en

    IEEE: Copy

    JAVAD TAFAROJI, Pouya Mahdavi Sharif, SAEED KARIMI, and Ali Reza Sharifi, “Comparison of Clinical Manifestations, Immunological Analyses between LRBA and CVID Patients: A Longitudinal Study,” IMMUNOLOGY AND GENETICS JOURNA, vol. 4, no. 1, pp. 46–53, 2021, [Online]. Available: https://sid.ir/paper/1076617/en

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