Preliminary structure-activity relationship on theonellasterol, a new chemotype of FXR antagonist, from the marine sponge Theonella swinhoei

Valentina Sepe, Raffaella Ummarino, Maria Valeria D'Auria, Orazio Taglialatela-Scafati, Simona De Marino, Claudio D'Amore, Barbara Renga, Maria Giovanna Chini, Giuseppe Bifulco, Yoichi Nakao, Nobuhiro Fusetani, Stefano Fiorucci, Angela Zampella^*