Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Fundamental Elucidation of HLA in Type 1 Diabetes of Arab Populations

Version 1 : Received: 7 September 2016 / Approved: 7 September 2016 / Online: 7 September 2016 (12:49:02 CEST)

How to cite: Jahromi, M.M. Fundamental Elucidation of HLA in Type 1 Diabetes of Arab Populations. Preprints 2016, 2016090029. Jahromi, M.M. Fundamental Elucidation of HLA in Type 1 Diabetes of Arab Populations. Preprints 2016, 2016090029.


Aims/Hypothesis): Type 1 diabetes is an immune-mediated disease with destruction of the pancreatic β-cells, a process that is conditioned by multiple genes and other factors. HLA counts as the major susceptibility gene. Significant variations in HLA genetic susceptibility to type 1 diabetes between Caucasians, African and Asian and other ethnic groups may have led to the variation in incidence of type 1 diabetes globally. Type 1 diabetes is characterized upon HLA identification. In this chapter we discuss global variations in genetic susceptibility of HLA with regard to type 1 diabetes globally with a particular attention to Arab population. Methods): Haplotype configuration of HLA class I A, B, C and Class II –DR/DQ/DP were studied in Caucasians, African and Asian and in Arab population to see if that is responsible for the exponential rise in the rate of type 1 diabetes. Results): Although Arabs have one of the highest global incidence and prevalence rates of type 1 diabetes, unfortunately, there is a dearth amount of information regarding HLA genetic susceptibility to type 1 diabetes in the Arab world. HLA haplotype configurations contribute to its risk value. However, out of an insufficient present study there are examples of misjudgment of HLA risk according to HLA alleles rather than haplotypes. Conclusion): To date HLA outlooks for the characterization of type 1 diabetes. There is an ethnicity difference in HLA characteristics which is responsible for variation in type 1 diabetes. Although Arab population have contributed heavily in the rise of burden of type 1 diabetes, however, there is significantly a dearth amount of studies on HLA in Arab population. Obviously, any future prediction, prevention or cure of the disease will be based on the HLA genetics. There is a dire need for a systematic screening of HLA for Arab population with type 1 diabetes, identification of Arab HLA-risk values and identify those who are prone to get the disease.


HLA; type 1 diabetes; ethnicity; screening; haplotype


Medicine and Pharmacology, Endocrinology and Metabolism

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