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Caraphenol A is a resveratrol trimer and is able to transiently reduce interferon-induced transmembrane (IFITM) protein expression. Caraphenol A safely enhances lentiviral vector gene delivery to hematopoietic stem and progenitor cells[1]. Caraphenol A also inhibits human cystathionine β-synthase (hCBS) and human cystathionine γ- lyase (hCSE) with IC50s of 5.9 μM and 12.1 μM, respectively[2].

[1] Ozog S, et al. Resveratrol trimer enhances gene delivery to hematopoietic stem cells by reducing antiviral restriction at endosomes. Blood. 2019 Oct 17;134(16):1298-1311. DOI:10.1182/blood.2019000040
[2] Niu W, et al. Discovery of selective cystathionine β-synthase inhibitors by high-throughput screening with a fluorescent thiol probe. Medchemcomm. 2016 Nov 15;8(1):198-201. DOI:10.1039/c6md00493h