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JAK inhibition reduces SARS-CoV-2 liver infectivity and modulates inflammatory responses to reduce morbidity and mortality.


ABSTRACT: Using AI we identified baricitinib as possessing anti-viral and anti-cytokine efficacy. We now show a 71% (95% CI 0.15-0.58) mortality benefit in 83 patients with moderate-severe SARS-CoV-2 pneumonia with few drug-induced adverse events, including a large elderly cohort (median age 81 years). A further 48 cases with mild-moderate pneumonia recovered uneventfully. Using organotypic 3D cultures of primary human liver cells, we demonstrate that interferon-alpha-2 (IFN?2) significantly increases ACE2 expression and SARS-CoV-2 infectivity in parenchymal cells by >5-fold. RNA-Seq reveals gene response signatures associated with platelet activation, fully inhibited by baricitinib. Using viral load quantifications and super-resolution microscopy, baricitinib exerts activity rapidly through the inhibition of host proteins (numb associated kinases), uniquely amongst anti-virals. This reveals mechanistic actions of a Janus kinase-1/2 inhibitor targeting viral entry, replication and the cytokine storm, and is associated with beneficial outcomes including in severely ill elderly patients, data that incentivizes further randomized controlled trials.

SUBMITTER: Stebbing J 

PROVIDER: S-EPMC7775747 | biostudies-literature | 2020 Nov

REPOSITORIES: biostudies-literature

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JAK inhibition reduces SARS-CoV-2 liver infectivity and modulates inflammatory responses to reduce morbidity and mortality.

Stebbing Justin J   Sánchez Nievas Ginés G   Falcone Marco M   Youhanna Sonia S   Richardson Peter P   Ottaviani Silvia S   Shen Joanne X JX   Sommerauer Christian C   Tiseo Giusy G   Ghiadoni Lorenzo L   Virdis Agostino A   Monzani Fabio F   Rizos Luis Romero LR   Forfori Francesco F   Avendaño Céspedes Almudena A   De Marco Salvatore S   Carrozzi Laura L   Lena Fabio F   Sánchez-Jurado Pedro Manuel PM   Lacerenza Leonardo Gianluca LG   Cesira Nencioni N   Caldevilla Bernardo David D   Perrella Antonio A   Niccoli Laura L   Méndez Lourdes Sáez LS   Matarrese Daniela D   Goletti Delia D   Tan Yee-Joo YJ   Monteil Vanessa V   Dranitsaris George G   Cantini Fabrizio F   Farcomeni Alessio A   Dutta Shuchismita S   Burley Stephen K SK   Zhang Haibo H   Pistello Mauro M   Li William W   Romero Marta Mas MM   Andrés Pretel Fernando F   Simón-Talero Rafaela Sánchez RS   García-Molina Rafael R   Kutter Claudia C   Felce James H JH   Nizami Zehra F ZF   Miklosi Andras G AG   Penninger Josef M JM   Menichetti Francesco F   Mirazimi Ali A   Abizanda Pedro P   Lauschke Volker M VM  

Science advances 20210101 1


Using AI, we identified baricitinib as having antiviral and anticytokine efficacy. We now show a 71% (95% CI 0.15 to 0.58) mortality benefit in 83 patients with moderate-severe SARS-CoV-2 pneumonia with few drug-induced adverse events, including a large elderly cohort (median age, 81 years). An additional 48 cases with mild-moderate pneumonia recovered uneventfully. Using organotypic 3D cultures of primary human liver cells, we demonstrate that interferon-α2 increases ACE2 expression and SARS-Co  ...[more]

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