Generation of an induced pluripotent stem cell line (TRNDi031-A) from a patient with Alagille syndrome type 1 carrying a heterozygous p. C312X (c. 936 T > A) mutation in JAGGED-1.

Alagille syndrome (ALGS) is a rare autosomal dominant disorder caused by disruption of the Notch signaling pathway due to mutations in either JAGGED1 (JAG1) (ALGS type 1) or NOTCH2 (ALGS type 2). Loss of this signaling interferes with the development of many organs, but especially the liver. A human induced pluripotent stem cell (iPSC) line was generated from the fibroblasts of a patient with a p. C312X (c. 936 T > A) variant in JAG1. This iPSC line offers a valuable resource to study the disease pathophysiology and develop therapeutics to treat patients with ALGS.

Generation of an induced pluripotent stem cell line (TRNDi030-A) from a patient with Farber disease carrying a homozygous p. Y36C (c. 107 A>G) mutation in ASAH1.

Farber disease is an ultra-rare lysosomal storage disease. Mutations in the N-acylsphingosine amidohydrolase (ASAH1) gene, which encodes for the enzyme acid ceramidase (ACDase), cause ceramides to accumulate in the body. A human induced pluripotent stem cell (iPSC) line TRNDi030-A was generated from fibroblasts of a male patient with a homozygous p. Y36C (c.107 A>G) variant in the second exon of the ASAH1 producing the alpha subunit of ACDase. This Farber disease iPSC line is a useful resource to study disease pathophysiology and to develop therapeutics for treatment of patients with Farber disease.

Drug Repurposing Screen for Compounds Inhibiting the Cytopathic Effect of SARS-CoV-2.

Drug repurposing is a rapid approach to identify therapeutics for the treatment of emerging infectious diseases such as COVID-19. To address the urgent need for treatment options, we carried out a quantitative high-throughput screen using a SARS-CoV-2 cytopathic assay with a compound collection of 8,810 approved and investigational drugs, mechanism-based bioactive compounds, and natural products. Three hundred and nineteen compounds with anti-SARS-CoV-2 activities were identified and confirmed, including 91 approved drugs and 49 investigational drugs. The anti-SARS-CoV-2 activities of 230 of these confirmed compounds, of which 38 are approved drugs, have not been previously reported. Chlorprothixene, methotrimeprazine, and piperacetazine were the three most potent FDA-approved drugs with anti-SARS-CoV-2 activities. These three compounds have not been previously reported to have anti-SARS-CoV-2 activities, although their antiviral activities against SARS-CoV and Ebola virus have been reported. These results demonstrate that this comprehensive data set is a useful resource for drug repurposing efforts, including design of new drug combinations for clinical trials for SARS-CoV-2.