Patents by Inventor Hsiang-Fu Kung

Hsiang-Fu Kung 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: 7429656
    Abstract: The present invention relates to therapeutic agents useful for the treatment of Severe Acute Respiratory Syndrome (SARS) in humans. In particular, the present invention relates to RNA interference (RNAi) molecules useful for inhibiting the infection and replication of hSARS virus. Preferably, the RNAi molecules target the replicase region of the hSARS virus, or combinations of different sites of hSARS virus genes. The present invention further encompasses methods of using the RNAi molecules for preventing and/or treating SARS. Vaccines and kits comprising therapeutically effective amounts of the RNAi molecules are also encompassed.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: September 30, 2008
    Assignee: The University of Hong Kong
    Inventors: Hsiang-Fu Kung, Ming-Liang He, Bo-Jiang Zheng, Yi Guan, Marie Chia-Mi Lin, Ying Peng
  • Patent number: 7294708
    Abstract: The invention provides compositions comprising fragments of human telomerase reverse transcriptase (hTERT) which can lead to telomere dysfunction in a cell and reduction of growth and tumorigenicity in cancer cells. The invention also relates to uses of the fragments in the treatment of cancer and in drug discovery.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: November 13, 2007
    Assignees: Beijing Institute of Biotechnology, The University of Hong Kong
    Inventors: Jun Jian Huang, Cui-Fen Huang, Marie C. M. Lin, Hsiang-Fu Kung
  • Publication number: 20070148268
    Abstract: Two novel benzofuran glycosides, named psoralenoide and isopsoralenoide, isolated and purified from the seeds of Psoralea corylifolia. The compounds are useful as therapeutic agents for diseases defined under TCM and as a more accurately means of quality control and assessment for Psoralea corylifolia, an important herbs used in TCM.
    Type: Application
    Filed: December 21, 2006
    Publication date: June 28, 2007
    Applicant: Hong Kong Jockey Club Institute of Chinese Medicine Limted
    Inventors: Chun Feng QIAO, Quan-Bin HAN, Jing-Zheng SONG, Shi-Fu MO, Ling-Dong KONG, Hsiang-Fu KUNG, Hong-Xi XU
  • Publication number: 20070081978
    Abstract: This invention provides two novel vectors, a vector comprising a rAAV-type 2 plasmid encoding mutant survivin (Cys84Ala), and a vector comprising a rAAV-type 2 plasmid encoding eGFP. This invention also provides compositions comprising the above vectors. This invention provides a method for inducing apoptosis in a cell comprising introducing into the cell the vector comprising a rAAV-type 2 plasmid encoding mutant survivin (Cys84Ala), or a composition thereof. This invention further provides a method for inhibiting tumor cell growth comprising introducing into the tumor cell the vector comprising a rAAV-type 2 plasmid encoding mutant survivin (Cys84Ala), or a composition thereof. Finally, this invention provides a method of treating a subject having colon cancer comprising administering to the subject a suitable amount of the vector comprising a rAAV-type 2 plasmid encoding mutant survivin (Cys84Ala) in a composition.
    Type: Application
    Filed: October 7, 2005
    Publication date: April 12, 2007
    Inventors: Shui Tu, Marie Lin, Hsiang-Fu Kung, Benjamin Chun-Yu Wong
  • Publication number: 20070027099
    Abstract: The invention provides a vector comprising an AAV-shRNA vector. The vector is preferably rAAV-151i/1694i. The invention also provides a method of suppressing or inhibiting HBV replication in liver cells infected therewith, comprising administering an amount of an AAVB-shRNA vector effective to suppress, inhibit or reduce HBV replication.
    Type: Application
    Filed: June 12, 2006
    Publication date: February 1, 2007
    Inventors: Marie Lin, Ming-Liang He, Hsiang-Fu Kung
  • Publication number: 20060258611
    Abstract: The present invention relates to therapeutic agents useful for the treatment of Severe Acute Respiratory Syndrome (SARS) in humans. In particular, the present invention relates to RNA interference (RNAi) molecules useful for inhibiting the infection and replication of hSARS virus. Preferably, the RNAi molecules target the replicase region of the hSARS virus, or combinations of different sites of hSARS virus genes. The present invention further encompasses methods of using the RNAi molecules for preventing and/or treating SARS. Vaccines and kits comprising therapeutically effective amounts of the RNAi molecules are also encompassed.
    Type: Application
    Filed: June 14, 2006
    Publication date: November 16, 2006
    Inventors: Hsiang-Fu Kung, Ming-Liang He, Bo-Jiang Zheng, Yi Guan, Marie Lin, Ying Peng
  • Patent number: 7129223
    Abstract: The present invention relates to therapeutic agents useful for the treatment of Severe Acute Respiratory Syndrome (SARS) in humans. In particular, the present invention relates to RNA interference (RNAi) molecules useful for inhibiting the infection and replication of hSARS virus. Preferably, the RNAi molecules target the replicase region of the hSARS virus, or combinations of different sites of hSARS virus genes. The present invention further encompasses methods of using the RNAi molecules for preventing and/or treating SARS. Vaccines and kits comprising therapeutically effective amounts of the RNAi molecules are also encompassed.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: October 31, 2006
    Assignee: The University of HongKong
    Inventors: Hsiang-Fu Kung, Ming-Liang He, Bo-Jiang Zheng, Yi Guan, Marie Chia-Mi Lin, Ying Peng
  • Publication number: 20060147569
    Abstract: The present invention relates to the use of Chinese herbs Buguzhi and Fuling extracts in preparation formulations for the treatment of depression and related symptoms.
    Type: Application
    Filed: January 3, 2005
    Publication date: July 6, 2006
    Inventors: Hsiang-fu Kung, Ling-dong Kong
  • Patent number: 7067249
    Abstract: The present invention relates to the inhibition of Hepatitis B virus (HBV) replication by RNA molecules of the present invention. Specifically, the RNA molecules of the present invention are double-stranded ribonucleic acid molecules (dsRNA). Specifically, the invention relates to small interfering RNAs (siRNA) which are double-stranded RNAs that direct the sequence-specific degradation of messenger RNA in mammalian cells. The invention relates to development of a new anti-HBV therapy by inhibition of Hepatitis B Virus (HBV) replication using stably-expressed short hairpin RNAs (shRNA), which degrade HBV pregenomic RNA and message RNAs. Included are methods of treatment of cancer by the administration of RNA molecules of the present invention in combination with surgery, alone or in further combination with standard and experimental chemotherapies, hormonal therapies, biological therapies/immunotherapies and/or radiation therapies.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: June 27, 2006
    Assignee: The University of Hong Kong
    Inventors: Hsiang-Fu Kung, Ming-Liang He
  • Publication number: 20060037085
    Abstract: A Xenopus laevis (the African clawed frog) embryo model is provided to study the effects of alcohol on fetal development. Exposure of Xenopus embryos in specific developmental stages to alcohol results in tadpoles with microencephaly and growth retardation, in a dose- and time-dependent manner, similar to those observed in human fetal alcohol syndrome (FAS). The invention further provides methods for screening an agent to determine its usefulness for preventing or treating FAS. Moreover, the invention provides methods for preventing or treating FAS in an animal by administering an agent, such an agent includes vitamin C and a catalase, which causes or enhances an expression of Pax6 that is a neural and eye marker. In addition, the invention provides methods for preventing or treating FAS by administering an agent, such as vitamin C, which causes suppression of NF-?B activation.
    Type: Application
    Filed: July 28, 2005
    Publication date: February 16, 2006
    Inventors: Ying Peng, Marie Lin, Hsiang-Fu Kung, Pai-Hao Yang
  • Publication number: 20050191363
    Abstract: The present invention relates to a method for inhibiting hepatic fibrogenesis, especially liver fibrogenesis, which method comprises administering an effective amount of Fibroscutum, a mixture of natural peptides extracted from the liver tissue of suckling pig, containing at least 6 peptides of relative abundance of 10-27% and molecular weight of 7-40 kD.
    Type: Application
    Filed: July 2, 2004
    Publication date: September 1, 2005
    Inventors: Mengsu Yang, Hsiang-fu Kung, Yaou Zhang, Celina Cheng, Pik Cheung
  • Publication number: 20050004063
    Abstract: The present invention relates to therapeutic agents useful for the treatment of Severe Acute Respiratory Syndrome (SARS) in humans. In particular, the present invention relates to RNA interference (RNAi) molecules useful for inhibiting the infection and replication of hSARS virus. Preferably, the RNAi molecules target the replicase region of the hSARS virus, or combinations of different sites of hSARS virus genes. The present invention further encompasses methods of using the RNAi molecules for preventing and/or treating SARS. Vaccines and kits comprising therapeutically effective amounts of the RNAi molecules are also encompassed.
    Type: Application
    Filed: May 19, 2004
    Publication date: January 6, 2005
    Inventors: Hsiang-Fu Kung, Ming-Liang He, Bo-Jiang Zheng, Yi Guan, Marie Lin, Ying Peng
  • Publication number: 20040235775
    Abstract: The present invention relates to the inhibition of Hepatitis B virus (HBV) replication by RNA molecules of the present invention. Specifically, the RNA molecules of the present invention are double-stranded ribonucleic acid molecules (dsRNA). Specifically, the invention relates to small interfering RNAs (siRNA) which are double-stranded RNAs that direct the sequence-specific degradation of messenger RNA in mammalian cells. The invention relates to development of a new anti-HBV therapy by inhibition of Hepatitis B Virus (HBV) replication using stably-expressed short hairpin RNAs (shRNA), which degrade HBV pregenomic RNA and message RNAs. Included are methods of treatment of cancer by the administration of RNA molecules of the present invention in combination with surgery, alone or in further combination with standard and experimental chemotherapies, hormonal therapies, biological therapies/immunotherapies and/or radiation therapies.
    Type: Application
    Filed: May 19, 2004
    Publication date: November 25, 2004
    Inventors: Hsiang-Fu Kung, Ming-Liang He
  • Publication number: 20040223953
    Abstract: The present invention provides an efficient gene delivery system using Adeno-Associated Viral (AAV) vector in gene therapy. Furthermore, the invention provides a combined AAV and Adenovirus (Adv) cocktail gene delivery system which is even more efficient in in vivo gene delivery and expression without eliciting any significant immune responses in an immunocompetent subject. In particular, the invention provides a therapeutic agent and methods for preventing, treating, managing, or ameliorating various diseases and disorders including, but not limited to, bone diseases, by delivering Bone Morphogenetic Protein 2 (BMP-2) for new bone formation via gene therapy using said system. The invention provides a nucleic acid molecule comprising an AVV vector and a promoter operably linked to a sequence encoding BMP-2; and a nucleic acid molecule comprising an Adv vector and a promoter operably linked to a sequence encoding BMP-2, as well as vectors and host cells comprising said nucleic acid molecules, respectively.
    Type: Application
    Filed: March 17, 2004
    Publication date: November 11, 2004
    Inventors: Hsiang-Fu Kung, Yan Chen, K.D.K. Luk, Marie C.M. Lin
  • Publication number: 20040156828
    Abstract: The present invention provides adeno-associated viral (AAV) vectors encoding an angiostatin protein (“AAV-angiostatin vector”) and/or a costimulatory molecule B7.1 (“AAV-B7.1 vector”). The AAV-angiostatin vector can be administered to a subject, alone or in combination, sequentially or simultaneously, with a AAV-B7.1 vector for treatment, management or prevention of metastatic tumors. Pharmaceutical compositions and vaccines comprising the AAV-angiostatin vector and/or the AAV-B7.1 vector and methods of manufacturing are also described. Administration of AAV-angiostatin and AAV-B7.1 vectors by intraportal and muscular injections are also provided.
    Type: Application
    Filed: January 7, 2004
    Publication date: August 12, 2004
    Inventors: Ruian Xu, Xueying Sun, Sheung-Tat Fan, Hsiang-Fu Kung, Geoffrey Krissansen, Peter Chin Wan Fung
  • Publication number: 20040058314
    Abstract: The persistence of covalently closed circular (ccc) DNA of Hepatitis B Virus (HBV) in liver cells is believed to be the major reason for relapse after completion of HBV antiviral therapy. Up to now, there is no sensitive method to quantify cccDNA in infected liver cells. A set of primers were designed to specifically amplify DNA fragments from HBV cccDNA but not from viral genomic DNA. A good linear range was obtained when 100 to 107 copies of HBV cccDNA were used as template in the quantitative real-time PCR. Not only is this method rapid, economical, highly sensitive, it can be used to monitor HBV cccDNA in infected human liver biopsies and to guide patients undergoing long-term anti-HBV therapy.
    Type: Application
    Filed: May 29, 2003
    Publication date: March 25, 2004
    Inventors: Ming Liang He, Hsiang-Fu Kung, Marie Chia Mi Lin
  • Publication number: 20030225027
    Abstract: The invention provides compositions comprising fragments of human telomerase reverse transcriptase (hTERT) which can lead to telomere dysfunction in a cell and reduction of growth and tumorigenicity in cancer cells. The invention also relates to uses of the fragments in the treatment of cancer and in drug discovery.
    Type: Application
    Filed: May 30, 2003
    Publication date: December 4, 2003
    Inventors: Jun Jian Huang, Cui-Fen Huang, Marie C.M. Lin, Hsiang-Fu Kung
  • Patent number: 5668149
    Abstract: Methods are disclosed for inhibiting the infectivity of HIV-1 in human cells. The methods comprise contacting human cells infected with HIV-1, with certain quinolinyl and acridinyl derivatives, including amodiaquin, chloroquine, hydroxychloroquine, primoquine, quinacrine and compounds having the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each hydrogen, or join to form a cyclic structure of the formula: ##STR2## and R.sup.3 and R.sup.4, same or different, are hydrogen, C.sub.1 -C.sub.8 lower alkyl or hydroxy substituted C.sub.1 -C.sub.8 lower alkyl, and the pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: January 26, 1990
    Date of Patent: September 16, 1997
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Stephen Oroszlan, Wen-Po Tsai, Peter L. Nara, Hsiang-Fu Kung
  • Patent number: 5593667
    Abstract: An intact human immune interferon protein and a method for the extraction and purification of intact recombinant human immune interferon is disclosed. This method permits the purification to homogeneity of intact recombinant human immune interferon.
    Type: Grant
    Filed: December 19, 1994
    Date of Patent: January 14, 1997
    Assignees: Hoffmann-La Roche Inc., Takeda Chemical Ind. Ltd.
    Inventors: Hsiang-Fu Kung, Hiromu Sugino, Susumu Honda
  • Patent number: 5532214
    Abstract: A new protein, termed TAP 29, obtainable from the root tuber of the plant Trichosanthes kirilowii or produced by recombinant means is useful for treating HIV infections or tumors. In treating HIV infections, the protein is administered alone or in conjunction with conventional AIDS therapies. Also provided are processes for purifying the protein, DNA sequences encoding the protein, hosts expressing the protein, recombinant DNA methods for expressing the protein, and antibodies specific for the protein.
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: July 2, 1996
    Assignees: New York University, American Biosciences, Inc., The United States of America as represented by the Department of Health and Human Services
    Inventors: Sylvia Lee-Huang, Philip L. Huang, Hao-chia Chen, Hsiang-fu Kung, Peter Huang, Henry I. Huang, Paul L. Huang