Patents by Inventor Margaret Dah-Tsyr Chang

Margaret Dah-Tsyr Chang 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).

  • Patent number: 9410969
    Abstract: The present invention provides a method of determining and treating amyotrophic lateral sclerosis (ALS) in a subject, comprising the following steps: (1) measuring a concentration of an autoantibody against high mobility group box 1 protein (HMGB1) in a biological sample from the subject; and (2) administering an effective amount of ALS-treating drug to the subject whose measured concentration of the autoantibody against HMGB1 is higher than 0.874 ?g/ml.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: August 9, 2016
    Assignees: National Tsing Hua University, China Medical University
    Inventors: Hao-Teng Chang, Margaret Dah-Tsyr Chang, Chi-Shin Hwang
  • Patent number: 9328370
    Abstract: The present invention relates to a recombinant protein comprising SEQ ID NO: 1 and a bacteria recognizing lectin. The present invention also relates to uses of the recombinant protein comprising detecting pathogens, removing endotoxins, determining the presence of an endotoxin or endotoxin-like material, and determining the presence of pathogen-associated molecular pattern (PAMP) comprising rhamnose-rhamnose (Rha-Rha), rhamnose-N-acetyl-mannosamine (Rha-ManNAc), N-acetyl-mannosamine-rhamnose (ManNAc-Rha), rhamnose-galatose (Rha-Gal), or galatose-rhamnose (Gal-Rha) in a sample, and use as a medicament, a disinfectant, a decontaminant, a surfactant or a diagnostic means.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: May 3, 2016
    Assignee: SIMPSON BIOTECH CO., LTD.
    Inventors: Margaret Dah-Tsyr Chang, Chia-Chin Sheu
  • Patent number: 9315544
    Abstract: A method of treating or preventing inflammatory related diseases in a subject in need thereof comprising administering to said subject a pharmaceutically effective amount of a composition comprising an immune modulating polypeptide of SEQ ID NO: 1 is provided. A method for inhibiting cancer metastasis or growth of tumor in a subject in need thereof, comprising administering to the subject a pharmaceutically effective amount of a composition comprising an immune modulating polypeptide of SEQ ID NO: 1 is also provided.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: April 19, 2016
    Assignee: National Tsing Hua University
    Inventors: Margaret Dah-Tsyr Chang, Lin-Shien Fu, Shun-Lung Fang
  • Publication number: 20150377912
    Abstract: The present invention provides a method of determining and treating amyotrophic lateral sclerosis (ALS) in a subject, comprising the following steps: (1) measuring a concentration of an autoantibody against high mobility group box 1 protein (HMGB1) in a biological sample from the subject; and (2) administering an effective amount of ALS-treating drug to the subject whose measured concentration of the autoantibody against HMGB1 is higher than 0.874 ?g/ml.
    Type: Application
    Filed: September 15, 2015
    Publication date: December 31, 2015
    Applicants: CHINA MEDICAL UNIVERSITY, NATIONAL TSING HUA UNIVERSITY
    Inventors: HAO-TENG CHANG, MARGARET DAH-TSYR CHANG, CHI-SHIN HWANG
  • Patent number: 9096880
    Abstract: The present invention relates to an isolated peptide consisting of the amino acid sequence of SEQ ID NO: 1. The present invention also relates to a method for increasing expression of a target protein using the peptide consisting of the amino acid sequence of SEQ ID NO: 1, comprising (a) fusing the peptide with the target protein to form a recombinant protein; and (b) expressing the recombinant protein by an expression host.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: August 4, 2015
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventor: Margaret Dah-Tsyr Chang
  • Patent number: 8999688
    Abstract: A polysaccharide-protein binding model of SBD, and a fibril-forming 14-residue peptide consisting of X1NNNX2X3NYQX4X5X6X7X8, wherein the X1 and X8 mean a pair of opposite charged amino acid residues, and the X2, X3, X4, X5, X6, or X7 means an amino acid residue is described. A mixture for diminishing a polysaccharide, comprising at least two starch binding domains (SBDs) and a polysaccharide in a helix form is also presented. A method of providing an oligosaccharide, and a method of producing an amyloid-like fibril and use thereof are further described.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: April 7, 2015
    Assignee: National Tsing Hua University
    Inventors: Margaret Dah-Tsyr Chang, Yuh-Ju Sun, Ping-Chiang Lyu, Shu-Chuan Lin, Wei-I Chou
  • Patent number: 8986955
    Abstract: The present invention provides a method and a system for increasing thermal stability of a target protein comprising fusing a starch binding protein (SBP) with the target protein to form a SBP-tagged recombinant protein and combining the SBP-tagged recombinant protein with a SBP-binding matrix. The present invention also provides a method for retaining an activity of a target protein in aquatic environment comprising fusing a starch binding protein (SBP) with the target protein to form a SBP-tagged recombinant protein and combining the SBP-tagged recombinant protein with a SBP-binding matrix.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: March 24, 2015
    Assignee: Simpson Biotech Co., Ltd.
    Inventors: Margaret Dah-Tsyr Chang, Chia-Chin Sheu
  • Publication number: 20140342400
    Abstract: The present invention relates to an isolated peptide consisting of the amino acid sequence of SEQ ID NO: 1. The present invention also relates to a method for increasing expression of a target protein using the peptide consisting of the amino acid sequence of SEQ ID NO: 1, comprising (a) fusing the peptide with the target protein to form a recombinant protein; and (b) expressing the recombinant protein by an expression host.
    Type: Application
    Filed: May 13, 2014
    Publication date: November 20, 2014
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventor: Margaret Dah-Tsyr Chang
  • Publication number: 20140343250
    Abstract: The present invention relates to a recombinant protein comprising SEQ ID NO: 1 and a bacteria recognizing lectin. The present invention also relates to uses of the recombinant protein comprising detecting pathogens, removing endotoxins, determining the presence of an endotoxin or endotoxin-like material, and determining the presence of pathogen-associated molecular pattern (PAMP) comprising rhamnose-rhamnose (Rha-Rha), rhamnose-N-acetyl-mannosamine (Rha-ManNAc), N-acetyl-mannosamine-rhamnose (ManNAc-Rha), rhamnose-galatose (Rha-Gal), or galatose-rhamnose (Gal-Rha) in a sample, and use as a medicament, a disinfectant, a decontaminant, a surfactant or a diagnostic means.
    Type: Application
    Filed: May 13, 2014
    Publication date: November 20, 2014
    Applicant: SIMPSON BIOTECH CO., LTD.
    Inventors: Margaret Dah-Tsyr Chang, Chia-Chin Sheu
  • Publication number: 20140127723
    Abstract: The present invention provides a method of determining a risk for amyotrophic lateral sclerosis (ALS) in a subject, comprising the following steps: (1) measuring a concentration of an autoantibody against HMGB1 in a biological sample from the subject; and (2) comparing the measured concentration of the autoantibody against HMGB1 with a control value for autoantibody against HMGB1; wherein a difference between the measured concentration of the autoantibody against HMGB1 from the biological sample and the control value for autoantibody against HMGB1 is indicative of the risk of ALS in the subject.
    Type: Application
    Filed: January 3, 2014
    Publication date: May 8, 2014
    Applicants: China Medical University, National Tsing Hua University
    Inventors: HAO-TENG CHANG, MARGARET DAH-TSYR CHANG, CHI-SHIN HWANG
  • Publication number: 20140072574
    Abstract: A method of treating or preventing inflammatory related diseases in a subject in need thereof comprising administering to said subject a pharmaceutically effective amount of a composition comprising an immune modulating polypeptide of SEQ ID NO: 1 is provided. A method for inhibiting cancer metastasis or growth of tumor in a subject in need thereof, comprising administering to the subject a pharmaceutically effective amount of a composition comprising an immune modulating polypeptide of SEQ ID NO: 1 is also provided.
    Type: Application
    Filed: September 10, 2013
    Publication date: March 13, 2014
    Applicant: National Tsing Hua University
    Inventors: Margaret Dah-Tsyr Chang, Lin-Shien Fu, Shun-Lung Fang
  • Publication number: 20130315828
    Abstract: The present invention relates to a method of delivering an agent to a cancer cell, comprising: (a) obtaining a peptide that selectively binds to a cancer cell, wherein the peptide comprises a cancer targeting motif having the amino acid sequence of SEQ ID NO: 1, wherein the peptide is attached or fused to an agent that one desires to target to a cancer cell; and (b) exposing the peptide to a population of cells suspected of containing cancer cells. The present invention also relates to a kit for applying the above method, comprising a peptide that binds to a cancer cell, wherein the peptide comprises a cancer targeting motif having the amino acid sequence of SEQ ID NO: 1.
    Type: Application
    Filed: May 23, 2012
    Publication date: November 28, 2013
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: Margaret Dah-Tsyr Chang, Shun-Lung Fang, Chien-Jung Chen
  • Patent number: 8551695
    Abstract: The present invention provides a method for identifying starch binding sites of starch binding domain in CBM family. The CBM family is consisting of CBM20, CBM21, CBM25, CBM26, CBM34, and CBM41. The method further comprises predicting starch binding sites of starch binding domain in CBM family using the identified starch binding sites of starch binding domain with same topology.
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: October 8, 2013
    Assignee: Simpson Biotech Co., Ltd.
    Inventors: Margaret Dah-Tsyr Chang, Ping-Chiang Lyu, Yuh-Ju Sun, Chia-Chin Sheu
  • Patent number: 8399416
    Abstract: The present invention is for an isolated peptide consisting of the amino acid sequence of SEQ ID NO: 9 and using the peptide for treating asthma by reducing cytotoxicity of eosinophil derived toxins in bronchial epithelial cells of the subject suffers from asthma. The method comprises preparing a pharmaceutical composition having the peptide of SEQ ID NO: 9 and administering an effective amount of the composition to the subject.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: March 19, 2013
    Assignee: National Tsing Hua University
    Inventors: Margaret Dah-Tsyr Chang, Tan-chi Fan, Shu-Chuan Lin
  • Patent number: 8372951
    Abstract: A cell penetrating peptide which has following sequence: NYBX1BX2BNQX3, wherein B represents a basic amino acid, X1 represents an amino acid with an aromatic, a hydrophobic or an uncharged side chain, X2 represents any amino acid, and X3 represents N or none is described. A method for delivering a cargo into a subject by administrating a complex comprising the cell penetrating peptide and the desired cargo to the subject is also described.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: February 12, 2013
    Assignee: National Tsing Hua University
    Inventors: Margaret Dah-Tsyr Chang, Shun-Lung Fang, Wei-I Chou, Shu-Chuan Lin
  • Publication number: 20120322082
    Abstract: A diagnostic marker for determining of a patient with amyotrophic lateral sclerosis (ALS), comprising an autoantibody against a human protein HMGB1 is described. A diagnostic kit for determining of a patient with ALS, comprising: (a) an HMGB1 protein; and (b) an HMGB1 antibody standard is also presented. A method of determining ALS in a subject, comprising the steps: (a) detecting autoantibody against HMGB1 in a biological sample taken from the subject and normal control individuals; and (b) statistically comparing concentrations of the autoantibody against HMGB1 in the subject with that of the normal control individuals obtained from step (a); wherein a higher concentration of the autoantibody against HMGB1 in the subject than a cut-off concentration indicates the subject suffers from ALS is further described.
    Type: Application
    Filed: June 20, 2011
    Publication date: December 20, 2012
    Applicants: China Medical University, National Tsing Hua University
    Inventors: Hao-Teng Chang, Margaret Dah-Tsyr Chang, Chi-Shin Hwang
  • Patent number: 8293465
    Abstract: The present invention relates to an antibody mimetic of carbohydrate binding module (CBM) which specifically binds to an epitope on HIV glycoprotein. The present invention also relates to a method of detecting HIV glycoprotein.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: October 23, 2012
    Assignee: National Tsing Hua University
    Inventors: Margaret Dah-Tsyr Chang, Yuan-Chuan Lee, Rong-Yuan Huang, Shu-Chuan Lin, Wei-I Chou, Shi-Hwei Liu
  • Publication number: 20120225492
    Abstract: The present invention provides a method for identifying starch binding sites of starch binding domain in CBM family. The CBM family is consisting of CBM20, CBM21, CBM25, CBM26, CBM34, and CBM41. The method further comprises predicting starch binding sites of starch binding domain in CBM family using the identified starch binding sites of starch binding domain with same topology.
    Type: Application
    Filed: January 23, 2012
    Publication date: September 6, 2012
    Applicant: SIMPSON BIOTECH CO., LTD.
    Inventors: Margaret Dah-Tsyr Chang, Ping-Chiang Lyu, Yuh-Ju Sun, Chia-Chin Sheu
  • Publication number: 20120214730
    Abstract: The present invention is for an isolated peptide consisting of the amino acid sequence of SEQ ID NO: 9 and using the peptide for treating asthma by reducing cytotoxicity of eosinophil derived toxins in bronchial epithelial cells of the subject suffers from asthma. The method comprises preparing a pharmaceutical composition having the peptide of SEQ ID NO: 9 and administering an effective amount of the composition to the subject.
    Type: Application
    Filed: February 27, 2012
    Publication date: August 23, 2012
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: Margaret Dah-Tsyr Chang, Tan-chi Fan, Shu-Chuan Lin
  • Publication number: 20110280798
    Abstract: The present invention provides a cell penetrating peptide which has following sequence: NYBX1BX2BNQX3, wherein B represents a basic amino acid, X1 represents an amino acid with an aromatic, a hydrophobic or an uncharged side chain, X2 represents any amino acid, and X3 represents N or none. The present invention also provides a method for delivering a cargo into a subject by administrating a complex comprising the cell penetrating peptide and the desired cargo to the subject.
    Type: Application
    Filed: May 14, 2010
    Publication date: November 17, 2011
    Applicant: NATIONAL TSING HUA UNIVERSITY
    Inventors: Margaret Dah-Tsyr Chang, Shun-Lung Fang, Wei-I Chou, Shu-Chuan Lin