Glycogen synthase kinase 3β inhibition synergizes with PARP inhibitors through the induction of homologous recombination deficiency in colorectal cancer oleh Ning Zhang, Yu-Nan Tian, Li-Na Zhou, Meng-Zhu Li, Hua-Dong Chen, Shan-Shan Song, Xia-Juan Huan, Xu-Bin Bao, Ao Zhang, Ze-Hong Miao, Jin-Xue He