Chi Zhang, Kathy Yuen Yee Chan, Wing Hei Ng, John Tak Kit Cheung, Qiwei Sun, Han Wang, Po Yee Chung, Frankie Wai Tsoi Cheng, Alex Wing Kwan Leung, Xiao-Bing Zhang, Po Yi Lee, Siu Ping Fok, Guanglan Lin, Ellen Ngar Yun Poon, Jian-Hua Feng, Yan-Lai Tang, Xue-Qun Luo, Li-Bin Huang, Wei Kang, Patrick Ming Kuen Tang, Junbin Huang, Chun Chen, Junchao Dong, Ester Mejstrikova, Jiaoyang Cai, Yu Liu, Shuhong Shen, Jun J Yang, Patrick Man Pan Yuen, Chi Kong Li, Kam Tong Leung
Resistance to glucocorticoids (GCs), the common agents for remission induction in pediatric B-cell precursor acute lymphoblastic leukemia (BCP-ALL), poses a significant therapeutic hurdle. Therefore, dissecting the mechanisms shaping GC resistance could lead to new treatment modalities. Here, we showed that CD9- BCP-ALL cells were preferentially resistant to prednisone and dexamethasone over other standard cytotoxic agents. Concordantly, we identified significantly more poor responders to the prednisone prephase among BCP-ALL patients with a CD9- phenotype, especially for those with adverse presenting features including older age, higher white cell count and BCR-ABL1...
April 4, 2024: Haematologica