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2020 ; 18
(1
): 233
Nephropedia Template TP
gab.com Text
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English Wikipedia
COVID-19: viral-host interactome analyzed by network based-approach model to
study pathogenesis of SARS-CoV-2 infection
#MMPMID32522207
Messina F
; Giombini E
; Agrati C
; Vairo F
; Ascoli Bartoli T
; Al Moghazi S
; Piacentini M
; Locatelli F
; Kobinger G
; Maeurer M
; Zumla A
; Capobianchi MR
; Lauria FN
; Ippolito G
J Transl Med
2020[Jun]; 18
(1
): 233
PMID32522207
show ga
BACKGROUND: Epidemiological, virological and pathogenetic characteristics of
SARS-CoV-2 infection are under evaluation. A better understanding of the
pathophysiology associated with COVID-19 is crucial to improve treatment
modalities and to develop effective prevention strategies. Transcriptomic and
proteomic data on the host response against SARS-CoV-2 still have anecdotic
character; currently available data from other coronavirus infections are
therefore a key source of information. METHODS: We investigated selected
molecular aspects of three human coronavirus (HCoV) infections, namely SARS-CoV,
MERS-CoV and HCoV-229E, through a network based-approach. A functional analysis
of HCoV-host interactome was carried out in order to provide a theoretic
host-pathogen interaction model for HCoV infections and in order to translate the
results in prediction for SARS-CoV-2 pathogenesis. The 3D model of S-glycoprotein
of SARS-CoV-2 was compared to the structure of the corresponding SARS-CoV,
HCoV-229E and MERS-CoV S-glycoprotein. SARS-CoV, MERS-CoV, HCoV-229E and the host
interactome were inferred through published protein-protein interactions (PPI) as
well as gene co-expression, triggered by HCoV S-glycoprotein in host cells.
RESULTS: Although the amino acid sequences of the S-glycoprotein were found to be
different between the various HCoV, the structures showed high similarity, but
the best 3D structural overlap shared by SARS-CoV and SARS-CoV-2, consistent with
the shared ACE2 predicted receptor. The host interactome, linked to the
S-glycoprotein of SARS-CoV and MERS-CoV, mainly highlighted innate immunity
pathway components, such as Toll Like receptors, cytokines and chemokines.
CONCLUSIONS: In this paper, we developed a network-based model with the aim to
define molecular aspects of pathogenic phenotypes in HCoV infections. The
resulting pattern may facilitate the process of structure-guided pharmaceutical
and diagnostic research with the prospect to identify potential new biological
targets.