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Discov Med . Whole-Exome Sequencing Detecting a Recurrent Pathogenic Mutation, HFE p.His63Asp (H63D) in COVID-19 Patients and Its Effect on Mortali

tetano

Editor, Senior Moderator
Discov Med


. 2024 Jul;36(186):1513-1526.
doi: 10.24976/Discov.Med.202436186.140. Whole-Exome Sequencing Detecting a Recurrent Pathogenic Mutation, HFE p.His63Asp (H63D) in COVID-19 Patients and Its Effect on Mortality

Rashid Mir[SUP] 1 [/SUP], Imadeldin Elfaki[SUP] 2 [/SUP], Mohammad A Alanazi[SUP] 1 [/SUP], Naseh A Algehainy[SUP] 1 [/SUP], Faisal H Altemani[SUP] 1 [/SUP], Badr A Alsayed[SUP] 3 [/SUP], Elsiddig Idriss Mohamed[SUP] 4 [/SUP], Syed Khalid Mustafa[SUP] 5 [/SUP], Mamdoh S Moawadh[SUP] 1 [/SUP], Faris J Tayeb[SUP] 1 [/SUP], Jaber Alfaifi[SUP] 6 [/SUP], Sael M Alatawi[SUP] 1 [/SUP], Mohammad Muzaffar Mir[SUP] 7 [/SUP], Mohammad Fahad Ullah[SUP] 1 [/SUP]



Affiliations
Abstract

Background: In recent years, various coronaviruses have caused severe respiratory illnesses worldwide. For example the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infections of COVID-19 outbreak in 2019 in Wuhan, China. Genome-wide association studies (GWAS) have significantly expanded our comprehension of how specific genetic variations are linked to diseases. Research has demonstrated the existence of genetic factors influencing susceptibility to coronaviruses. The objective of this study was to examine the association of certain loci with the COVID-19 in Saudi population.
Methods: In the present study we have examined the link between the COVID-19 disease and certain genetic variants in hospitalized COVID-19 patients (n = 16) in Tabuk and Bisha, Kingdom Saudi Arabia. We used the genome Analysis Toolkit (GATK) and Comprehensive variant annotation was performed different databases and tools such as Search Tool for the Retrieval of Interacting Genes (STRING), PanelApp and PolyPhen-2.
Results: The study showed that the genetic variants associated with genes such as Homeostatic Iron Regulator (HFE) (found in 7 patients, representing 44%), complement factor H (CFH) (6 patients, 38%), cadherin 23 (CDH23) (4 patients, 25%), cytotoxic T-lymphocyte associated protein 4 (CTLA-4) (3 patients, 19%), Transforming Growth Factor Beta 1 (TGFB1) (3 patients, 19%), CREB-binding protein (CREBBP) (2 patients, 13%), E1A Binding Protein P300 (EP300) (2 patients, 13%), hemoglobin subunit beta (HBB) (2 patients, 13%), interferon regulatory factor 7 (IRF7) (2 patients, 13%), and unc-119 lipid binding chaperone (UNC119) (2 patients, 13%) might be associated with susceptibility to coronavirus. We also identified mutations in the COVID-19 patient that are pathogenic or likely pathogenic.
Conclusion: A recurrent pathogenic mutation, HFE p.His63Asp (H63D), was identified in 7 patients, suggesting its potential contribution to disease severity. Additionally, a likely pathogenic variant, HBB p.Glu7Val (E7V), was present in 2 patients, highlighting its potential role in disease susceptibility. Our results shed light on the key genetic mechanisms of COVID-19 pathogenesis and help to identify and stratify the individuals or populations that are at risk to corona virus infection. The identification of susceptible individuals or populations assist in prevention and/or in treatment programs.

Keywords: GWASs; coronavirus – COVID-19 – whole exome sequencing - HFE gene.

 
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