Patents Assigned to BEIJING PROTGEN LTD.
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Publication number: 20240165140Abstract: A method for treating a tumor or cancer by means of a treatment scheme of using endostatin in combination with induction of DNA double-strand breaks, and a medication. The method and composition are used for treating a tumor or cancer related to loss of p53 function, or a tumor or cancer occurring when p53 function is normal.Type: ApplicationFiled: November 17, 2023Publication date: May 23, 2024Applicants: TSINGHUA UNIVERSITY, BEIJING PROTGEN LTD.Inventors: Yongzhang LUO, Lin JIA, Guodong CHANG
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Patent number: 11098104Abstract: The present invention provides a polyethylene glycol-modified endostatin analogue and an application thereof. The endostatin analogue is coupled to polyethylene glycol at lysine away from a nucleolin binding domain, or is coupled to polyethylene glycol at lysine away from a nucleolin binding domain and amidogen at the N end.Type: GrantFiled: November 10, 2017Date of Patent: August 24, 2021Assignee: BEIJING PROTGEN LTD.Inventors: Daifu Zhou, Wenchao Wang, Hui Li, Guodong Chang
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Publication number: 20210085754Abstract: Provided is a mutant of an endostatin. The mutant has improved ATPase activity and improved activity of inhibiting angiogenesis and inhibiting tumors. Further provided is use of the mutant in treatment of angiogenesis related diseases such as tumors.Type: ApplicationFiled: September 28, 2020Publication date: March 25, 2021Applicants: TSINGHUA UNIVERSITY, BEIJING PROTGEN LTD.Inventors: Yongzhang LUO, Peng LIU, Xinan LU
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Patent number: 10869910Abstract: Provided is a mutant of an endostatin. The mutant has improved ATPase activity and improved activity of inhibiting angiogenesis and inhibiting tumors. Further provided is use of the mutant in treatment of angiogenesis related diseases such as tumors.Type: GrantFiled: February 14, 2016Date of Patent: December 22, 2020Assignees: Tsinghua University, BEIJING PROTGEN LTD.Inventors: Yongzhang Luo, Peng Liu, Xinan Lu
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Publication number: 20200270333Abstract: The present invention provides a polyethylene glycol-modified endostatin analogue and an application thereof. The endostatin analogue is coupled to polyethylene glycol at lysine away from a nucleolin binding domain, or is coupled to polyethylene glycol at lysine away from a nucleolin binding domain and amidogen at the N end.Type: ApplicationFiled: November 10, 2017Publication date: August 27, 2020Applicant: BEIJING PROTGEN LTD.Inventors: Daifu Zhou, Wenchao Wang, Hui Li, Guodong Chang
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Patent number: 10647968Abstract: The present invention discloses a new anti-tumor medicament comprising a mutant of endostatin. The mutant comprises a mutation in the ATP-binding site of endostatin and has a decreased ATPase activity and an increased anti-angiogenesis activity.Type: GrantFiled: September 10, 2012Date of Patent: May 12, 2020Assignees: Tsinghua University, Beijing Protgen Ltd.Inventors: Yongzhang Luo, Peng Liu, Xinan Lu, Yang Chen, Yan Fu, Guodong Chang, Daifu Zhou
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Publication number: 20180200337Abstract: Provided is amutant of an endostatin. The mutant has improved ATPase activity and improved activity of inhibiting angiogenesis and inhibiting tumors. Further provided is use of the mutant in treatment of angiogenesis related diseases such as tumors.Type: ApplicationFiled: February 14, 2016Publication date: July 19, 2018Applicants: Tsinghua University, BEIJING PROTGEN LTD.Inventors: Yongzhang LUO, Peng LIU, Xinan LU
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Publication number: 20180015148Abstract: The present invention provides use of endostatin or a functional variant thereof in the preparation of a medicament for treating dietary obesity, non-alcoholic fatty liver disease, insulin resistance or glucose intolerance. In the embodiments of the present invention, the functional variant may be YH-16, mES, mYH-16, m003, m007, mZ101, or the like.Type: ApplicationFiled: November 3, 2015Publication date: January 18, 2018Applicants: TSINGHUA UNIVERSITY, BEIJING PROTGEN LTD.Inventors: Yongzhang LUO, Hui WANG, Hui LI, Xinan LU, Yan FU, Shunli ZHAN, Daifu ZHOU
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Publication number: 20160178633Abstract: A method of determining whether a subject has cancer or has a risk of getting cancer comprises: detecting the concentration of Hsp90a in a blood sample of the subject; and if the concentration reaches or exceeds a preset threshold value, determining that the subject has cancer or has a risk of getting cancer, where the threshold value is selected from a range from 50 ng/ml to 120 ng/ml; for example, the threshold value may be 50, 53, 56, 62, 63, 64, 67, 72, 82, 85 or 117 ng/ml, and a numerical value within the ±15% range of the threshold value is regarded having equivalent significance for determination.Type: ApplicationFiled: June 27, 2014Publication date: June 23, 2016Applicants: TSINGHUA UNIVERSITY, YANTAI PROTGEN BIOTECHNOLOGY DEVELOPMENT CO., LTD., BEIJING PROTGEN LTD.Inventors: Yongzhang Luo, Dawei Cui, Yan Fu, Fei Wu, Xiaomin Song, Michuan Li, Guodong Chang, Chuntao Lu
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Patent number: 9364493Abstract: The present invention relates to a new use of a known medicament. Specifically, the invention relates to methods and compositions for enhancing the therapeutic efficacy of a therapeutic agent by increasing the uptake of the therapeutic agent by target cells, and in particular relates to a pharmaceutical composition comprising a regulating agent of lipid raft/caveolae-dependent endocytic pathway and some therapeutic agents, such as anti-tumor agents. The invention also relates to a method for screening a regulating agent of lipid raft/caveolae-dependent endocytic pathway capable of enhancing the therapeutic efficacy of anti-tumor agents.Type: GrantFiled: March 28, 2012Date of Patent: June 14, 2016Assignees: Tsinghua University, Beijing Protgen LTD.Inventors: Yongzhang Luo, Yang Chen, Yan Fu, Lin Jia, Guodong Chang
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Publication number: 20150197733Abstract: The present invention discloses a new anti-tumor medicament comprising a mutant of endostatin. The mutant comprises a mutation in the ATP-binding site of endostatin and has a decreased ATPase activity and an increased anti-angiogenesis activity.Type: ApplicationFiled: September 10, 2012Publication date: July 16, 2015Applicants: BEIJING PROTGEN LTD., TSINGHUA UNIVERSITYInventors: Yongzhang Luo, Peng Liu, Xinan Lu, Yang Chen, Yan Fu, Guodong Chang, Daifu Zhou
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Publication number: 20140335152Abstract: The present invention relates to a new use of a known medicament. Specifically, the invention relates to methods and compositions for enhancing the therapeutic efficacy of a therapeutic agent by increasing the uptake of the therapeutic agent by target cells, and in particular relates to a pharmaceutical composition comprising a regulating agent of lipid raft/caveolae-dependent endocytic pathway and some therapeutic agents, such as anti-tumor agents. The invention also relates to a method for screening a regulating agent of lipid raft/caveolae-dependent endocytic pathway capable of enhancing the therapeutic efficacy of anti-tumor agents.Type: ApplicationFiled: March 28, 2012Publication date: November 13, 2014Applicants: TSINGHUA UNIVERSITY, BEIJING PROTGEN LTD.Inventors: Yongzhang LUO, Yang CHEN, Yan FU, Lin JIA, Guodong CHANG
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Publication number: 20140308263Abstract: The present invention discloses a new anti-tumor medicament comprising a mutant of endostatin. The mutant comprises a mutation in the ATP-binding site of endostatin and has a decreased ATPase activity and an increased anti-angiogenesis activity.Type: ApplicationFiled: September 10, 2012Publication date: October 16, 2014Applicants: BEIJING PROTGEN LTD., TSINGHUA UNIVERSITYInventors: Yongzhang Luo, Peng Liu, Xinan Lu, Yang Chen, Yan Fu, Guodong Chang, Daifu Zhou