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2020 ; 51
(7
): 645-653
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Molecular Alterations Prompted by SARS-CoV-2 Infection: Induction of Hyaluronan,
Glycosaminoglycan and Mucopolysaccharide Metabolism
#MMPMID32611485
Andonegui-Elguera S
; Taniguchi-Ponciano K
; Gonzalez-Bonilla CR
; Torres J
; Mayani H
; Herrera LA
; Peña-Martínez E
; Silva-Román G
; Vela-Patiño S
; Ferreira-Hermosillo A
; Ramirez-Renteria C
; Carvente-Garcia R
; Mata-Lozano C
; Marrero-Rodríguez D
; Mercado M
Arch Med Res
2020[Oct]; 51
(7
): 645-653
PMID32611485
show ga
BACKGROUND: The SARS-CoV-2 is the etiological agent causing COVID-19 which has
infected more than 2 million people with more than 200000 deaths since its
emergence in December 2019. In the majority of cases patients are either
asymptomatic or show mild to moderate symptoms and signs of a common cold. A
subset of patients, however, develop a severe atypical pneumonia, with the
characteristic ground-glass appearance on chest x-ray and computerized
tomography, which evolves into an acute respiratory distress syndrome, that
requires mechanical ventilation and eventually results in multiple organ failure
and death. The Molecular pathogenesis of COVID-19 is still unknown. AIM OF THE
STUDY: In the present work we performed a stringent metanalysis from the publicly
available RNAseq data from bronchoalveolar cells and peripheral blood mononuclear
cells to elucidate molecular alterations and cellular deconvolution to identify
immune cell profiles. RESULTS: Alterations in genes involved in hyaluronan,
glycosaminoglycan and mucopolysaccharides metabolism were over-represented in
bronchoalveolar cells infected by SARS-CoV-2, as well as potential lung
infiltration with neutrophils, T CD4+ cell and macrophages. The blood mononuclear
cells presented a proliferative state. Dramatic reduction of NK and T
lymphocytes, whereas an exacerbated increase in monocytes. CONCLUSIONS: In
summary our results revealed molecular pathogenesis of the SARS-CoV-2 infection
to bronchoalveolar cells inducing the hyaluronan and glycosaminoglycan metabolism
that could shape partially the components of the ground-glass opacities observed
in CT. And the potential immune response profile in COVID-19.