Corpus overview


MeSH Disease

Disease (1)

Death (1)

Infections (1)

Fibrosis (1)

Human Phenotype


fomite (1)


There are no seroprevalence terms in the subcorpus

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    Genes associated with liver damage signalling pathways may impact the severity of COVID-19 symptoms in Spanish and Italian populations

    Authors: Leire Moya; Samaneh Farashi; Prashanth Suravajhala; Panchadsaram Janaththani; Jyotsna Batra

    doi:10.1101/2020.07.03.179028 Date: 2020-07-08 Source: bioRxiv

    AimThe novel SARS-CoV-2 virus, which causes the COVID-19 disease MESHD, has infected more than 10 million people and caused 500K deaths MESHD worldwide. In Europe, over 2 million confirmed cases TRANS have been reported, while nearly 200K people have died from the disease MESHD. Despite strict containment measures in Spain and Italy after the first reported COVID-19 patient, these two countries have remained in the top five European nations with the highest mortality rate for over two months. We hypothesised that a genetic mechanism could partially explain the poor survival outcome observed in these two countries. MethodsAn extensive literature search to identify human candidate genes linked to SARS-CoV infection MESHD, host immune evasion and disease MESHD aggressiveness was carried out. Pathway analysis (IPA) was performed to select the most significantly associated canonical signalling pathways with the genes of interest. The genetic variants at these genes with {+/-}1Mb flanking region was extracted (GRCh37/hg19 built). Over 80 million single nucleotide polymorphisms (SNPs) were analysed in genome-wide data of 2,504 individuals (1000 genomes, phase III, Principal component (PC) analysis was performed, ancestry by the whole genome was inferred and subsets of the regions of interest were extracted (PLINK v1.9b, PC1 to PC20 values from five European ancestries, including the Spanish and Italian populations, were used for PC analysis. Gene function predictions were run with our genes of interest as a query to the GeneMANIA Cytoscape plugin ( ResultsA total of 437 candidate genes associated with SARS were identified, including 21 correlated with COVID-19 aggressiveness. The two most significant pathways associated with all 437 genes (Caveolar-mediated Endocytosis and MSP-RON Signalling) did not show any segregation at the population level. However, the most significant canonical pathway associated with genes linked to COVID-19 aggressiveness, the Hepatic Fibrosis HP Fibrosis MESHD and Hepatic Stellate Cell Activation, showed population-specific segregation. Both the Spanish and Italian populations clustered together from the rest of Europe. This was also observed for the Finnish population but in the opposite direction. These results suggest some of the severe COVID-19 cases reported in Spain and Italy could be partially explained by a pre-existing liver condition (especially liver cancer) and/or may lead to further COVID-19 related liver complications.

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MeSH Disease
Human Phenotype

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