Patents by Inventor Longqin Hu
Longqin Hu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12122742Abstract: This patent document discloses novel compounds and methods of preventing or treating diseases or conditions related to Keap1-Nrf2 interaction activity by use of the novel compounds. As direct inhibitors of Keap1-Nrf2 interaction, the compounds disclosed herein are more specific and free of various undesirable effects than existing indirect inhibitors, and are potential dmg candidates of chemopreventive and therapeutic agents for treatment of various diseases or conditions involving oxidative stress and/or inflammation, including but not limited to cancers, diabetes, Alzheimer's, Parkinson's, and inflammatory bowel disease including ulcerative colitis.Type: GrantFiled: January 16, 2020Date of Patent: October 22, 2024Assignee: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEYInventors: Longqin Hu, Dhulfiqar A. Abed
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Patent number: 11628221Abstract: The present disclosure is directed to a series of target-selective chemotherapeutic ester prodrugs comprising PSA-cleavable peptides that promote the delivery of free doxorubicin and other chemotherapeutic agents into the prostate and/or prostate tumors with greater efficiency.Type: GrantFiled: September 21, 2021Date of Patent: April 18, 2023Assignee: Rutgers, The State University of New JerseyInventors: Longqin Hu, Herve Aloysius
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Publication number: 20230043330Abstract: This document discloses novel cystine analogs, methods of making cystine analogs, compositions containing cystine analogs and methods of using such analogs for inhibiting cystine stone formation and treatment of cystinuria.Type: ApplicationFiled: December 11, 2020Publication date: February 9, 2023Applicant: Rutgers, The State University of New JerseyInventors: Longqin Hu, Haifa Albanyan
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Publication number: 20230002337Abstract: Cystine analogs that improve the solubility of L-cystine in urine for treatment of cystinuria and which have the structure: and pharmaceutically acceptable salts, solvates and prodrugs thereof, wherein each R and R? pair are independently selected from (i) or (ii); (i) R and R? are independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alcohol, substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocyclic, and substituted or unsubstituted heteroaryl, or (ii) R and R? together form a substituted or unsubstituted heterocyclic ring structure, or a substituted or unsubstituted heteroaryl ring structure; X is hydrogen, or an alkyl; and Y is O or S.Type: ApplicationFiled: August 22, 2022Publication date: January 5, 2023Applicant: Rutgers, The State University of New JerseyInventors: Longqin Hu, Amrik Sahota
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Patent number: 11420949Abstract: Cystine analogs that improve the solubility of L-cystine in urine for treatment of cystinuria and which have the structure: and pharmaceutically acceptable salts, solvates and prodrugs thereof, wherein each R and R? pair are independently selected from (i) or (ii); (i) R and R? are independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alcohol, substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocyclic, and substituted or unsubstituted heteroaryl, or (ii) R and R? together form a substituted or unsubstituted heterocyclic ring structure, or a substituted or unsubstituted heteroaryl ring structure; X is hydrogen, or an alkyl; and Y is O or S.Type: GrantFiled: October 12, 2020Date of Patent: August 23, 2022Assignee: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEYInventor: Longqin Hu
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Publication number: 20220112160Abstract: This patent document discloses novel compounds and methods of preventing or treating diseases or conditions related to Keap1-Nrf2 interaction activity by use of the novel compounds. As direct inhibitors of Keap1-Nrf2 interaction, the compounds disclosed herein are more specific and free of various undesirable effects than existing indirect inhibitors, and are potential dmg candidates of chemopreventive and therapeutic agents for treatment of various diseases or conditions involving oxidative stress and/or inflammation, including but not limited to cancers, diabetes, Alzheimer's, Parkinson's, and inflammatory bowel disease including ulcerative colitis.Type: ApplicationFiled: January 16, 2020Publication date: April 14, 2022Applicant: Rutgers, The State University of New JerseyInventors: Longqin Hu, Dhulfiqar A. Abed
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Publication number: 20220088209Abstract: The present disclosure is directed to a series of target-selective chemotherapeutic ester prodrugs comprising PSA-cleavable peptides that promote the delivery of free doxorubicin and other chemotherapeutic agents into the prostate and/or prostate tumors with greater efficiency.Type: ApplicationFiled: September 21, 2021Publication date: March 24, 2022Inventors: Longqin HU, Herve ALOYSIUS
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Patent number: 11129901Abstract: The present disclosure is directed to a series of target-selective chemotherapeutic ester prodrugs comprising PSA-cleavable peptides that promote the delivery of free doxorubicin and other chemotherapeutic agents into the prostate and/or prostate tumors with greater efficiency.Type: GrantFiled: February 2, 2018Date of Patent: September 28, 2021Assignee: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEYInventors: Longqin Hu, Herve Aloysius
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Publication number: 20210024477Abstract: Cystine analogs that improve the solubility of L-cystine in urine for treatment of cystinuria and which have the structure: and pharmaceutically acceptable salts, solvates and prodrugs thereof, wherein each R and R? pair are independently selected from (i) or (ii); (i) R and R? are independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alcohol, substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocyclic, and substituted or unsubstituted heteroaryl, or (ii) R and R? together form a substituted or unsubstituted heterocyclic ring structure, or a substituted or unsubstituted heteroaryl ring structure; X is hydrogen, or an alkyl; and Y is O or S.Type: ApplicationFiled: October 12, 2020Publication date: January 28, 2021Applicant: Rutgers, The State University of New JerseyInventor: Longqin Hu
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Patent number: 10836737Abstract: Cystine analogs that improve the solubility of L-cystine in urine for treatment of cystinuria and which have the structure: and pharmaceutically acceptable salts, solvates and prodrugs thereof, wherein each R and R? pair are independently selected from (i) or (ii); (i) R and R? are independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alcohol, substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocyclic, and substituted or unsubstituted heteroaryl, or (ii) R and R? together form a substituted or unsubstituted heterocyclic ring structure, or a substituted or unsubstituted heteroaryl ring structure; X is hydrogen, or an alkyl; and Y is O or S.Type: GrantFiled: August 26, 2016Date of Patent: November 17, 2020Assignee: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEYInventors: Longqin Hu, Amrik Sahota
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Publication number: 20190358337Abstract: The present disclosure is directed to a series of target-selective chemotherapeutic ester prodrugs comprising PSA-cleavable peptides that promote the delivery of free doxorubicin and other chemotherapeutic agents into the prostate and/or prostate tumors with greater efficiency.Type: ApplicationFiled: February 2, 2018Publication date: November 28, 2019Inventors: Longqin HU, Herve ALOYSIUS
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Patent number: 10106502Abstract: A method of identifying compounds as direct inhibitors of Keap1-Nrf2 interaction through high-throughput screening and lead development. The direct inhibitors of Keap1-Nrf2 interaction are more specific and free of various undesirable effects than existing indirect inhibitors, and are potential drug candidates of chemopreventive and therapeutic agents for treatment of various diseases or conditions involving oxidative stress and/or inflammation, including but not limited to cancers, diabetes, Alzheimer's, and Parkinson's. Novel compounds are identified and methods of preventing or treating diseases or conditions related to Keap1-Nrf2 interaction activity by use of the novel compounds identified or compositions containing such compounds are also disclosed.Type: GrantFiled: September 28, 2017Date of Patent: October 23, 2018Assignees: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY, THE BROAD INSTITUTE, INC.Inventors: Longqin Hu, Sadagopan Magesh, Lin Chen, Timothy Lewis, Ben Munoz, Lili Wang
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Publication number: 20180148408Abstract: A method of identifying compounds as direct inhibitors of Keap1-Nrf2 interaction through high-throughput screening and lead development. The direct inhibitors of Keap1-Nrf2 interaction are more specific and free of various undesirable effects than existing indirect inhibitors, and are potential drug candidates of chemopreventive and therapeutic agents for treatment of various diseases or conditions involving oxidative stress and/or inflammation, including but not limited to cancers, diabetes, Alzheimer's, and Parkinson's. Novel compounds are identified and methods of preventing or treating diseases or conditions related to Keap1-Nrf2 interaction activity by use of the novel compounds identified or compositions containing such compounds are also disclosed.Type: ApplicationFiled: September 28, 2017Publication date: May 31, 2018Inventors: Longqin Hu, Sadagopan Magesh, Lin Chen, Timothy Lewis, Ben Munoz, Lili Wang
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Publication number: 20160362386Abstract: Cystine analogs that improve the solubility of L-cystine in urine for treatment of cystinuria and which have the structure: and pharmaceutically acceptable salts, solvates and prodrugs thereof, wherein each R and R? pair are independently selected from (i) or (ii); (i) R and R? are independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alcohol, substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocyclic, and substituted or unsubstituted heteroaryl, or (ii) R and R? together form a substituted or unsubstituted heterocyclic ring structure, or a substituted or unsubstituted heteroaryl ring structure; X is hydrogen, or an alkyl; and Y is O or S.Type: ApplicationFiled: August 26, 2016Publication date: December 15, 2016Inventors: Longqin Hu, Amrik Sahota
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Patent number: 9428453Abstract: Cystine analogs that improve the solubility of L-cystine in urine for treatment of cystinuria and which have the structure: and pharmaceutically acceptable salts, solvates and prodrugs thereof, wherein each R and R? pair are independently selected from (i) or (ii); (i) R and R? are independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alcohol, substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocyclic, and substituted or unsubstituted heteroaryl, or (ii) R and R? together form a substituted or unsubstituted heterocyclic ring structure, or a substituted or unsubstituted heteroaryl ring structure; X is hydrogen, or an alkyl; and Y is O or S.Type: GrantFiled: January 2, 2014Date of Patent: August 30, 2016Assignee: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEYInventors: Longqin Hu, Amrik Sahota
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Patent number: 9075070Abstract: Disclosed are methods and kits for identifying modulators of the Keap1-Nrf2-ARE pathway. In particular, a high throughput fluorescent polarization assay is described that identifies small molecules that inhibit the binding of a fluorescently labeled Nrf2 peptide with the kelch domain of the Keap1 protein. Also provided are probes that can be used in the described fluorescent polarization assay. The small molecules identified using the described assay are useful for combating oxidative stress-related disorders, such as those associated with cancer, emphysema, Huntington's disease, light-induced retinal damage, and stroke.Type: GrantFiled: February 9, 2012Date of Patent: July 7, 2015Assignee: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEYInventors: Longqin Hu, Daigo Inoyama
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Publication number: 20140256767Abstract: A method of identifying compounds as direct inhibitors of Keap1-Nrf2 interaction through high-throughput screening and lead development. The direct inhibitors of Keap1-Nrf2 interaction are more specific and free of various undesirable effects than existing indirect inhibitors, and are potential drug candidates of chemopreventive and therapeutic agents for treatment of various diseases or conditions involving oxidative stress and/or inflammation, including but not limited to cancers, diabetes, Alzheimer's, and Parkinson's. Novel compounds are identified and methods of preventing or treating diseases or conditions related to Keap1-Nrf2 interaction activity by use of the novel compounds identified or compositions containing such compounds are also disclosed.Type: ApplicationFiled: October 31, 2012Publication date: September 11, 2014Applicants: THE BROAD INSTITUTE, INC., RUTGERS, THE STATE UNIVERSITY OF NEW JERSEYInventors: Longqin Hu, Sadagopan Magesh, Lin Chen, Timothy Lewis, Ben Munoz, Lili Wang
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Publication number: 20140187546Abstract: Cystine analogs that improve the solubility of L-cystine in urine for treatment of cystinuria and which have the structure: and pharmaceutically acceptable salts, solvates and prodrugs thereof, wherein each R and R? pair are independently selected from (i) or (ii); (i) R and R? are independently selected from hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alcohol, substituted or unsubstituted aryl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocyclic, and substituted or unsubstituted heteroaryl, or (ii) R and R? together form a substituted or unsubstituted heterocyclic ring structure, or a substituted or unsubstituted heteroaryl ring structure; X is hydrogen, or an alkyl; and Y is O or S.Type: ApplicationFiled: January 2, 2014Publication date: July 3, 2014Applicant: Rutgers, The State University of New JerseyInventors: Longqin Hu, Amrik Sahota
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Patent number: 8518891Abstract: Chemotherapeutic conjugates of a peptide substrate to a phosphoramide chemotherapeutic agent in which a peptide substrate is covalently linked to the chemotherapeutic agent by a linker with an aminoarylmethyl or aminoheteroaryl moiety, wherein the linking of the peptide to the chemotherapeutic agent inhibits the cytotoxic activity of the chemotherapeutic agent, the peptide is a substrate for proteolytic cleavage by a tumor-specific enzyme; and the linker is capable of undergoing 1,6-elimination in vivo upon cleavage of the peptide substrate. Methods for synthesizing and methods of using the conjugates are also disclosed.Type: GrantFiled: November 29, 2007Date of Patent: August 27, 2013Inventors: Longqin Hu, Xinghua Wu
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Publication number: 20120322768Abstract: Provided are compounds, compositions and methods for treating protozoan infections.Type: ApplicationFiled: November 24, 2010Publication date: December 20, 2012Applicants: QUEEN MARY & WESTFIELD COLLEGE, RUTGERS, THE STATE UNIVERSITY OF NEW JERSEYInventors: Longqin Hu, Shane R. Wilkinson, Xinghua Wu, Belinda S. Hall