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A TMPRSS2 inhibitor acts as a pan-SARS-CoV-2 prophylactic and therapeutic.
Shapira T, Monreal IA, Dion SP, Buchholz DW, Imbiakha B, Olmstead AD, Jager M, Désilets A, Gao G, Martins M, Vandal T, Thompson CAH, Chin A, Rees WD, Steiner T, Nabi IR, Marsault E, Sahler J, Diel DG, Van de Walle GR, August A, Whittaker GR, Boudreault PL, Leduc R, Aguilar HC, Jean F. Shapira T, et al. Among authors: dion sp. Nature. 2022 May;605(7909):340-348. doi: 10.1038/s41586-022-04661-w. Epub 2022 Mar 28. Nature. 2022. PMID: 35344983 Free PMC article.
Modulating the selectivity of matriptase-2 inhibitors with unnatural amino acids.
St-Georges C, Désilets A, Béliveau F, Ghinet M, Dion SP, Colombo É, Boudreault PL, Najmanovich RJ, Leduc R, Marsault É. St-Georges C, et al. Among authors: dion sp. Eur J Med Chem. 2017 Mar 31;129:110-123. doi: 10.1016/j.ejmech.2017.02.006. Epub 2017 Feb 11. Eur J Med Chem. 2017. PMID: 28219045
Discovery and Development of TMPRSS6 Inhibitors Modulating Hepcidin Levels in Human Hepatocytes.
Béliveau F, Tarkar A, Dion SP, Désilets A, Ghinet MG, Boudreault PL, St-Georges C, Marsault É, Paone D, Collins J, Macphee CH, Campobasso N, Groy A, Cottom J, Ouellette M, Pope AJ, Leduc R. Béliveau F, et al. Among authors: dion sp. Cell Chem Biol. 2019 Nov 21;26(11):1559-1572.e9. doi: 10.1016/j.chembiol.2019.09.004. Epub 2019 Sep 19. Cell Chem Biol. 2019. PMID: 31543462 Free article.
The serine protease-mediated increase in intestinal epithelial barrier function is dependent on occludin and requires an intact tight junction.
Ronaghan NJ, Shang J, Iablokov V, Zaheer R, Colarusso P, Dion S, Désilets A, Leduc R, Turner JR, MacNaughton WK. Ronaghan NJ, et al. Am J Physiol Gastrointest Liver Physiol. 2016 Sep 1;311(3):G466-79. doi: 10.1152/ajpgi.00441.2015. Epub 2016 Aug 4. Am J Physiol Gastrointest Liver Physiol. 2016. PMID: 27492333 Free PMC article.
A novel highly potent inhibitor of TMPRSS2-like proteases blocks SARS-CoV-2 variants of concern and is broadly protective against infection and mortality in mice.
Shapira T, Monreal IA, Dion SP, Jager M, Désilets A, Olmstead AD, Vandal T, Buchholz DW, Imbiakha B, Gao G, Chin A, Rees WD, Steiner T, Nabi IR, Marsault E, Sahler J, August A, Van de Walle G, Whittaker GR, Boudreault PL, Aguilar HC, Leduc R, Jean F. Shapira T, et al. Among authors: dion sp. bioRxiv [Preprint]. 2021 May 4:2021.05.03.442520. doi: 10.1101/2021.05.03.442520. bioRxiv. 2021. PMID: 33972944 Free PMC article. Preprint.