Displaying publications 21 - 22 of 22 in total

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  1. Fulltext Clinical, immunological, molecular and therapeutic findings in monogenic immune dysregulation diseases: Middle East and North Africa registry
    Jamee M, Azizi G, Baris S, Karakoc-Aydiner E, Ozen A, Kiliç SŞ, et al.
    Clin Immunol, 2022 Nov;244:109131.
    PMID: 36179983 DOI: 10.1016/j.clim.2022.109131
    Monogenic immune dysregulation diseases (MIDD) are caused by defective immunotolerance. This study was designed to increase knowledge on the prevalence and spectrum of MIDDs, genetic patterns, and outcomes in Middle East and North Africa (MENA). MIDD patients from 11 MENA countries (Iran, Turkey, Kuwait, Oman, Algeria, Egypt, United Arab Emirates, Tunisia, Jordan, Qatar, and Azerbaijan) were retrospectively evaluated. 343 MIDD patients (58% males and 42% female) at a median (IQR) age of 101 (42-192) months were enrolled. The most common defective genes were LRBA (23.9%), LYST (8.2%), and RAB27A (7.9%). The most prevalent initial and overall manifestations were infections (32.2% and 75.1%), autoimmunity (18.6% and 41%), and organomegaly (13.3% and 53.8%), respectively. Treatments included immunoglobulin replacement therapy (53%), hematopoietic stem cell transplantation (HSCT) (14.3%), immunosuppressives (36.7%), and surgery (3.5%). Twenty-nine (59.2%) patients survived HSCT. Along with infectious complications, autoimmunity and organomegaly may be the initial or predominant manifestations of MIDD.
  2. Epidemiology of combined immunodeficiencies affecting cellular and humoral immunity- a multicentric retrospective cohort study from the Arabian Peninsula
    Al-Herz W, Ziyab AH, Adeli M, Al Farsi T, Al-Hammadi S, Al Kuwaiti AA, et al.
    Clin Immunol, 2023 Sep;254:109696.
    PMID: 37481010 DOI: 10.1016/j.clim.2023.109696
    AIMS: To understand the characteristics of combined immunodeficiency disorders that affect cellular and humoral immunity (CID) in the Arabian Peninsula.

    METHODS: Retrospective study of 236 patients with CID from the region were enrolled from 2004 to 2022.

    RESULTS: 236 patients were included with a majority being profound CID. Among patients with a family history of CID, the ages at onset and diagnosis, and the delay in diagnosis were lower compared to those with no family history of CID, but this did not affect time to transplant. HSCT was performed for 51.27% of the patients with median time from diagnosis to HSCT of 6.36 months. On multivariate analysis, patients who underwent early transplant had increased odds of having CD3 count ≤1000 cell/μl, diagnosed by screening or erythroderma.

    CONCLUSION: There is a delay in diagnosis and treatment of CID in our region. Establishing newborn screening programs and HSCT units in our region are the urgent need.

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