Patents by Inventor Shih-Chong Tsai

Shih-Chong Tsai 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).

  • Publication number: 20250197501
    Abstract: Disclosed herein is a recombinant antibody or a fragment thereof exhibiting binding affinity and specificity toward B7-H3. According to some embodiments of the present disclosure, the recombinant antibody or its fragment comprises a heavy chain variable (VH) domain and a light chain variable (VL) domain respectively having the amino acid sequences of SEQ ID NOs: 7 and 8. Also disclosed herein are an immunoconjugate comprising the recombinant antibody or its fragment, and a method of treating cancers by use of the present immunoconjugate.
    Type: Application
    Filed: December 19, 2023
    Publication date: June 19, 2025
    Inventors: Chu-Bin LIAO, Chen-Jei HONG, Shih-Chong TSAI, Chien-Yu LIN, Yu-Ping CHOU, Cheng-Chou YU, Wei-Ting SUN
  • Publication number: 20240238432
    Abstract: A method for modifying glycoproteins is provided. The present disclosure also provides a method for producing glycoprotein-payload conjugates, the conjugates produced thereby, and the use thereof.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 18, 2024
    Inventors: Shih-Hsien CHUANG, Yu-Wei LAI, Cheng-Chou YU, Shu-Ping YEH, Jin-Yu WANG, Shih-Chong TSAI, Wei-Ting SUN, Chin-Yi Huang
  • Patent number: 11998613
    Abstract: The present disclosure provides an immunoconjugate includes an antibody comprising an antigen-binding fragment that specifically binds to an epitope in mesothelin, N-glycan binding domain and an N-glycan; a linker linking to the N-glycan; and a payload A and a payload B conjugated to the linker, respectively; wherein the payload A and the payload B are the same or different. A pharmaceutical composition comprises the immunoconjugate and a method for treating cancer are also provided in the disclosure.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: June 4, 2024
    Assignee: DEVELOPMENT CENTER FOR BIOTECHNOLOGY
    Inventors: Shih-Hsien Chuang, Wei-Ting Sun, Ying-Shuan Lailee, Chun-Liang Lai, Wun-Huei Lin, Win-Yin Wei, Shih-Chong Tsai, Cheng-Chou Yu, Chao-Yang Huang
  • Publication number: 20210386866
    Abstract: The present disclosure provides an immunoconjugate includes an antibody comprising an antigen-binding fragment that specifically binds to an epitope in mesothelin, N-glycan binding domain and an N-glycan; a linker linking to the N-glycan; and a payload A and a payload B conjugated to the linker, respectively; wherein the payload A and the payload B are the same or different. A pharmaceutical composition comprises the immunoconjugate and a method for treating cancer are also provided in the disclosure.
    Type: Application
    Filed: June 4, 2021
    Publication date: December 16, 2021
    Applicant: DEVELOPMENT CENTER FOR BIOTECHNOLOGY
    Inventors: SHIH-HSIEN CHUANG, WEI-TING SUN, YING-SHUAN LAILEE, CHUN-LIANG LAI, WUN-HUEI LIN, WIN-YIN WEI, SHIH-CHONG TSAI, CHENG-CHOU YU, CHAO-YANG HUANG
  • Patent number: 11085062
    Abstract: A process for modifying glycoproteins is provided. The invention also provides a process for producing glycoprotein-payload conjugates, as well as the conjugates produced thereby.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: August 10, 2021
    Assignee: DEVELOPMENT CENTER FOR BIOTECHNOLOGY
    Inventors: Shih-Chong Tsai, Chun-Chung Lee, Meng-Sheng Lee, Ching-Yao Chen, Shih-Hsien Chuang, Yi-Jen Chen, Win-Yin Wei
  • Patent number: 10781266
    Abstract: An antibody, or an antigen-binding fragment there, binding human ENO1 (GenBank: AAH506421.1) is provided. Methods for treating an ENO1 protein-related disease or disorder, inhibiting cancer invasion and diagnosis of cancer are also provided.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: September 22, 2020
    Assignees: DEVELOPMENT CENTER FOR BIOTECHNOLOGY, NATIONAL HEALTH RESEARCH INSTITUTES
    Inventors: Shih-Chong Tsai, Ta-Tung Yuan, Shih-Chi Tseng, Jiann-Shiun Lai, Chia-Cheng Wu, Po-Yin Lin, Ya-Wei Tsai, Chao-Yang Huang, Ying-Yung Lok, Chung-Hsiun Wu, Hsien-Yu Tsai, Neng-Yao Shih, Ko-Jiunn Liu, Li-Tzong Chen
  • Publication number: 20200087697
    Abstract: A process for modifying glycoproteins is provided. The invention also provides a process for producing glycoprotein payload conjugates, as well as the conjugates produced thereby.
    Type: Application
    Filed: December 29, 2017
    Publication date: March 19, 2020
    Applicant: DEVELOPMENT CENTER FOR BIOTECHNOLOGY
    Inventors: SHIH-CHONG TSAI, CHUN-CHUNG LEE, MENG-SHENG LEE, CHING-YAO CHEN, SHIH-HSIEN CHUANG, YI-JEN CHEN, WIN-YIN WEI
  • Publication number: 20190322762
    Abstract: An antibody, or an antigen-binding fragment there, binding human ENO1 (GenBank: AAH506421.1) is provided. Methods for treating an ENO1 protein-related disease or disorder, inhibiting cancer invasion and diagnosis of cancer are also provided.
    Type: Application
    Filed: March 19, 2018
    Publication date: October 24, 2019
    Applicants: DEVELOPMENT CENTER FOR BIOTECHNOLOGY, NATIONAL HEALTH RESEARCH INSTITUTES
    Inventors: SHIH-CHONG TSAI, TA-TUNG YUAN, SHIH-CHI TSENG, JIANN-SHIUN LAI, CHIA-CHENG WU, PO-YIN LIN, YA-WEI TSAI, CHAO-YANG HUANG, YING-YUNG LOK, CHUNG-HSIUN WU, HSIEN-YU TSAI, NENG-YAO SHIH, KO-JIUNN LIU, LI-TZONG CHEN
  • Patent number: 9750804
    Abstract: A method for treating an inflammatory disease or an immune disorder includes administering to a subject in need of such treatment an antagonist against ENO1. The antagonist binds ENO1 and inhibits ENO1 plasminogen receptor activity. The antagonist may be an anti-human ENO1 antibody, or an scFv, Fab, or F(ab)2 fragment thereof, that specifically binds to human ENO1 (GenBank: AAH50642.1) for the treatment of an inflammatory disease or an immune disorder, which may be multiple sclerosis, rheumatoid arthritis, Crohn's disease, ulcerative colitis, systemic Lupus erythematosus, chronic obstructive pulmonary disease (COPD), asthma, allergy, psoriasis, type 1 diabetes mellitus, artherosclerosis or osteoporosis.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: September 5, 2017
    Assignees: Development Center for Biotechnology, National Health Research Institutes
    Inventors: Shih-Chong Tsai, Mingl Chang, Ta-Tung Yuan, Shih-Chi Tseng, Shyi-Jou Chen, Wei-Tso Chia, Hsin-Yun Wang, Neng-Yao Shih, Ko-Jiunn Liu, Li-Tzong Chen
  • Patent number: 9527922
    Abstract: A humanized antibody, or a binding fragment thereof, wherein the humanized antibody binds human ENO1 (GenBank: AAH50642.1), wherein the antibody comprises a light chain variable region (VL) domain comprising a CDR1 having the amino acid sequence LCDR1 (RASENIYSYLT; SEQ ID NO: 6) and a CDR2 having the amino acid sequence LCDR2 (NAKTLPE; SEQ ID NO: 7) and a CDR3 having the amino acid sequence LCDR3 (QHHYGTPYT; SEQ ID NO: 8) and an antibody heavy chain variable region (VH) domain comprising a CDR1 having the amino acid sequence HCDR1 (GYTFTSCVMN; SEQ ID NO: 3), a CDR2 having the amino acid sequence HCDR2 (YINPYNDGTKYNEKFKG; SEQ ID NO: 4) and a CDR3 having the amino acid sequence HCDR3 (EGFYYGNFDN; SEQ ID NO: 5), wherein framework regions in the light chain variable region (VL) domain and the heavy chain variable region (VH) domain comprise amino acid sequences from a human immunoglobulin.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: December 27, 2016
    Assignees: Development Center for Biotechnology, DCB-USA LLC, National Health Research Institutes
    Inventors: Shih-Chong Tsai, Ta-Tung Yuan, Shih-Chi Tseng, Jiann-Shiun Lai, Chia-Cheng Wu, Chao-Yang Huang, Ya-Wei Tsai, Ying-Yung Lok, Chung-Hsiun Wu, Neng-Yao Shih, Ko-Jiunn Liu, Li-Tzong Chen
  • Patent number: 9382331
    Abstract: The present invention discloses an anti-human alpha-enolase (ENO1) antibody, which can bind the peptides, comprising amino-acid sequence 296FD Q D D W G A W Q K F TA309 (SEQ ID: #9) and/or 326K R I A K A V N EK S336 (SEQ ID: #10) of human ENO1 protein (GenBank: AAH50642.1), has a favorable binding activity (the binding affinity is around 2.19×10-10 mol/L) and a remarkable capability to inhibit the cell invasion and tumor metastasis of a varied of tumors. The recognized peptides and antibody of the invention are useful for diagnosis, prognosis, and treatment of cancers that have been reported to express cell-surface ENO1 such as including lung, breast, pancreas, liver, colorectal, prostate cancers and solid tumors.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: July 5, 2016
    Assignees: Development Center for Biotechnology, National Health Research Institutes
    Inventors: Shih-Chong Tsai, Neng-Yao Shih, Ta-Tung Yuan, Ko-Jiunn Liu, Shih-Chi Tseng, Chih-Yung Hu, Hsin-Yun Wang, Li-Tzong Chen
  • Publication number: 20160185876
    Abstract: A humanized antibody, or a binding fragment thereof, wherein the humanized antibody binds human ENO1 (GenBank: AAH50642.1), wherein the antibody comprises a light chain variable region (VL) domain comprising a CDR1 having the amino acid sequence LCDR1 (RASENIYSYLT; SEQ ID NO: 6) and a CDR2 having the amino acid sequence LCDR2 (NAKTLPE; SEQ ID NO: 7) and a CDR3 having the amino acid sequence LCDR3 (QHHYGTPYT; SEQ ID NO: 8) and an antibody heavy chain variable region (VH) domain comprising a CDR1 having the amino acid sequence HCDR1 (GYTFTSCVMN; SEQ ID NO: 3), a CDR2 having the amino acid sequence HCDR2 (YINPYNDGTKYNEKFKG; SEQ ID NO: 4) and a CDR3 having the amino acid sequence HCDR3 (EGFYYGNFDN; SEQ ID NO: 5), wherein framework regions in the light chain variable region (VL) domain and the heavy chain variable region (VH) domain comprise amino acid sequences from a human immunoglobulin.
    Type: Application
    Filed: December 31, 2014
    Publication date: June 30, 2016
    Applicants: Development Center for Biotechnology, DCB-USA LLC, National Health Research Institutes
    Inventors: Shih-Chong Tsai, Ta-Tung Yuan, Shih-Chi Tseng, Jiann-Shiun Lai, Chia-Cheng Wu, Chao-Yang Huang, Ya-Wei Tsai, Ying-Yung Lok, Chung-Hsiun Wu, Neng-Yao Shih, Ko-Jiunn Liu, Li-Tzong Chen
  • Publication number: 20150183884
    Abstract: The present invention discloses an anti-human alpha-enolase (ENO1) antibody, which can bind the peptides, comprising amino-acid sequence 296FD Q D D W G A W Q K F TA309 (SEQ ID: #9) and/or 326K R I A K A V N EK S336 (SEQ ID: #10) of human ENO1 protein (GenBank: AAH50642.1), has a favorable binding activity (the binding affinity is around 2.19×10-10 mol/L) and a remarkable capability to inhibit the cell invasion and tumor metastasis of a varied of tumors. The recognized peptides and antibody of the invention are useful for diagnosis, prognosis, and treatment of cancers that have been reported to express cell-surface ENO1 such as including lung, breast, pancreas, liver, colorectal, prostate cancers and solid tumors.
    Type: Application
    Filed: December 27, 2013
    Publication date: July 2, 2015
    Applicants: NATIONAL HEALTH RESEARCH INSTITUTES, DEVELOPMENT CENTER FOR BIOTECHNOLOGY
    Inventors: Shih-Chong Tsai, Neng-Yao Shih, Ta-Tung Yuan, Ko-Jiunn Liu, Shih-Chi Tseng, Chih-Yung Hu, Hsin-Yun Wang, Li-Tzong Chen
  • Publication number: 20150175710
    Abstract: A method for treating an inflammatory disease or an immune disorder includes administering to a subject in need of such treatment an antagonist against ENO1. The antagonist binds ENO1 and inhibits ENO1 plasminogen receptor activity. The antagonist may be an anti-human ENO1 antibody, or an scFv, Fab, or F(ab)2 fragment thereof, that specifically binds to human ENO1 (GenBank: AAH50642.1) for the treatment of an inflammatory disease or an immune disorder, which may be multiple sclerosis, rheumatoid arthritis, Crohn's disease, ulcerative colitis, systemic Lupus erythematosus, chronic obstructive pulmonary disease (COPD), asthma, allergy, psoriasis, type 1 diabetes mellitus, artherosclerosis or osteoporosis.
    Type: Application
    Filed: December 22, 2014
    Publication date: June 25, 2015
    Inventors: Shih-Chong Tsai, Mingl Chang, Ta-Tung Yuan, Shih-Chi Tseng, Shyi-Jou Chen, Wei-Tso Chia, Hsin-Yun Wang
  • Publication number: 20030073236
    Abstract: Described are nucleotide sequences coding for and regulating expression of a cell cycle regulatory protein, designated p193, and recombinant vectors and host cells containing nucleotide sequences coding for and regulating expression of the protein sequence. Also described are methods for modifying the cell cycle of a cell by regulating p193 or its pathway. Methods for inducing apoptosis in cells are provided by increasing level of a pro-apoptotic p193 protein in the cells. Methods for suppressing apoptosis in or increasing the proliferative potential of cells are provided by reducing the level of pro-apoptotic p193 protein the cells and/or by interfering with the native p193 signal transduction pathway, for instance utilizing a p193 protein having a dominant negative mutation.
    Type: Application
    Filed: February 22, 2002
    Publication date: April 17, 2003
    Inventors: Loren J. Field, Shih-Chong Tsai