Background:Despite the success of tyrosine kinase inhibitors in chronic myeloid leukemia(CML)therapy,CML still faces the challenges of drug resistance and progression to blast crisis.Twenty-five percent of patients ha...Background:Despite the success of tyrosine kinase inhibitors in chronic myeloid leukemia(CML)therapy,CML still faces the challenges of drug resistance and progression to blast crisis.Twenty-five percent of patients have imatinib resistance and treatment difficulties due to heterogeneity after progression,but little is known about the mechanism.A key transcription factor in hematopoiesis,MYB,has been reported to increase abnormally in several types of aggressive blood disorders including CML.Methods:This study used a zebrafish model to explore the relationship between BCR/ABL1 and c-myb in CML progression.A CML zebrafish model was crossed with a c-myb hyperactivity transgenic line.Results:It was found that both exogenous BCR/ABL1 and c-myb could up-regulate the expression of neutrophil-related genes.More seriously,neutrophil accumulation was observed when BCR/ABL1 was combined with c-myb overexpression.Further studies showed that c-myb may be one of the downstream targets of BCR/ABL1 and the effect of BCR/ABL1 on neutrophils was c-myb dependent.Taking advantage of this inheritable in vivo model,it was shown that a combination of imatinib and flavopiridol,a cyclin-dependent kinase inhibitor targeting MYB,could more effectively alleviate the aggressive phenotype of the double transgene line.Conclusion:In summary,this study suggests that c-myb acts downstream of BCR/ABL1 and is involved in CML progression and is therefore a risk factor and a valuable target for the treatment of CML progression.The model used in the study could be helpful in high-throughput drug screening in CML transformation.展开更多
近日,武汉大学国家网络安全学院彭聪副研究员的研究成果《Parameter-Hiding Order-Revealing Encryption without Pairings》被公钥密码学领域国际会议PKC2024录用。这是武汉大学师生首次以第一作者身份在PKC(International Conference ...近日,武汉大学国家网络安全学院彭聪副研究员的研究成果《Parameter-Hiding Order-Revealing Encryption without Pairings》被公钥密码学领域国际会议PKC2024录用。这是武汉大学师生首次以第一作者身份在PKC(International Conference on Practice and Theory of Public Key Cryptography)上发表学术论文,实现了国际密码学会(the International Association for Cryptologic Research, IACR)五大专业领域旗舰会议成果发表的重要突破。展开更多
基金National Key R&D Program of ChinaGrant/Award Number:2018YFA0801000+5 种基金National Natural Science Foundation of ChinaGrant/Award Number:32170830Natural Science Foundation of Guangdong ProvinceChinaGrant/Award Number:2021A1515010422South China University of Technology。
文摘Background:Despite the success of tyrosine kinase inhibitors in chronic myeloid leukemia(CML)therapy,CML still faces the challenges of drug resistance and progression to blast crisis.Twenty-five percent of patients have imatinib resistance and treatment difficulties due to heterogeneity after progression,but little is known about the mechanism.A key transcription factor in hematopoiesis,MYB,has been reported to increase abnormally in several types of aggressive blood disorders including CML.Methods:This study used a zebrafish model to explore the relationship between BCR/ABL1 and c-myb in CML progression.A CML zebrafish model was crossed with a c-myb hyperactivity transgenic line.Results:It was found that both exogenous BCR/ABL1 and c-myb could up-regulate the expression of neutrophil-related genes.More seriously,neutrophil accumulation was observed when BCR/ABL1 was combined with c-myb overexpression.Further studies showed that c-myb may be one of the downstream targets of BCR/ABL1 and the effect of BCR/ABL1 on neutrophils was c-myb dependent.Taking advantage of this inheritable in vivo model,it was shown that a combination of imatinib and flavopiridol,a cyclin-dependent kinase inhibitor targeting MYB,could more effectively alleviate the aggressive phenotype of the double transgene line.Conclusion:In summary,this study suggests that c-myb acts downstream of BCR/ABL1 and is involved in CML progression and is therefore a risk factor and a valuable target for the treatment of CML progression.The model used in the study could be helpful in high-throughput drug screening in CML transformation.
文摘近日,武汉大学国家网络安全学院彭聪副研究员的研究成果《Parameter-Hiding Order-Revealing Encryption without Pairings》被公钥密码学领域国际会议PKC2024录用。这是武汉大学师生首次以第一作者身份在PKC(International Conference on Practice and Theory of Public Key Cryptography)上发表学术论文,实现了国际密码学会(the International Association for Cryptologic Research, IACR)五大专业领域旗舰会议成果发表的重要突破。
