Patents by Inventor Sun-Chang Kim

Sun-Chang Kim 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: 10174355
    Abstract: The present invention relates to a uridine diphosphate (UDP)-glycosyltransferase protein which has glycosylation activity for a hydroxyl group at the C-20 position of a protopanaxadiol (PPD)- or protopanaxatriol (PPT)-type ginsenoside, and a method for glycosylation of UDP using the same.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: January 8, 2019
    Assignees: Korea Advanced Institute of Science and Technology, Intelligent Synthetic Biology Center
    Inventors: Sun Chang Kim, Gil Tsu Choi, Suk Chae Jung, Myung Keun Park, Woo Hyun Kim, Soo Hwan Lim, Wan Taek Im
  • Publication number: 20180319852
    Abstract: Provided are a recombinant yeast having improved ability to produce ginsenoside, which is prepared by overexpressing INO2 and INO4 or deleting OPT1 in a yeast having ability to produce ginsenoside, a method of preparing the yeast, and a method of producing ginsenoside by using the yeast.
    Type: Application
    Filed: January 26, 2018
    Publication date: November 8, 2018
    Inventors: Ju Young LEE, In Seung JANG, Seohyun KIM, Sun-Chang KIM, Suk Chea JUNG, Jong Geon JEGAL
  • Publication number: 20180289727
    Abstract: The present invention relates to a pharmaceutical composition containing ginsenoside F1 or Rh1 for preventing or treating vascular leak syndrome, to a method for treating vascular leak syndrome using the pharmaceutical composition, and to a food composition containing ginsenoside F1 or Rh1 for preventing or ameliorating vascular leak syndrome. The ginsenoside F1 or Rh1 provided in the present invention can promote angiogenesis and suppress vascular leakage, and thus can be widely utilized in the effective prevention or treatment of vascular leak syndrome.
    Type: Application
    Filed: May 19, 2016
    Publication date: October 11, 2018
    Inventors: Ho Min KIM, Ji In KANG, Sun Chang KIM, Chang Hao CUI
  • Publication number: 20180228823
    Abstract: The present invention relates to a composition for preventing, improving, or treating diabetes mellitus, and more specifically, relates to pharmaceutical, food, and feed compositions comprising gypenoside 75 or a pharmaceutically acceptable salt thereof. Additionally, the present invention relates to a method for preventing or treating diabetes mellitus using the composition.
    Type: Application
    Filed: May 4, 2016
    Publication date: August 16, 2018
    Inventors: Sun Chang KIM, Chan Bae PARK, Soon Jang LEE
  • Publication number: 20180140623
    Abstract: Provided are a pharmaceutical composition for preventing or treating cervical cancer including gypenoside LXXV or a pharmaceutically acceptable salt thereof as an active ingredient, a method of preventing or treating cervical cancer including administering the pharmaceutical composition to a subject excluding humans, a health functional food composition for preventing or improving cervical cancer including gypenoside LXXV as an active ingredient, and a feed composition for preventing or improving cervical cancer including gypenoside LXXV as an active ingredient.
    Type: Application
    Filed: June 21, 2016
    Publication date: May 24, 2018
    Inventors: Chang Hao CUI, Wan Taek IM, Sun Chang KIM
  • Patent number: 9963684
    Abstract: This invention relates to a novel formaldehyde dehydrogenase expressed by a formaldehyde dehydrogenase gene and having independent reduction activity for formic acid, a method of preparing the formaldehyde dehydrogenase from a strain transformed with a recombinant expression vector including the gene, and a method of producing formaldehyde from formic acid through a reduction reaction of the formaldehyde dehydrogenase.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: May 8, 2018
    Assignees: Konkuk University Industrial Cooperation Corp., Intelligent Synthetic Biology Center
    Inventors: Jung-Kul Lee, Ranjitha Ramakrishnan, Ji-Hyun Park, Tae-Su Kim, Sun-Chang Kim
  • Publication number: 20180104914
    Abstract: A porous structure according to one embodiment of the present invention is constituted by a frame having a plurality of pores interconnected 3-dimensionally through a plurality of connecting passages. The plurality of pores defined by the frame are distributed in a closest packed state and are interconnected 3-dimensionally through a plurality of connecting passages in a symmetric structure, thus being effective in achieving a maximum porosity of the porous structure. A porous hierarchical structure according to one embodiment of the present invention includes a first porous structure having a plurality of 3-dimensionally interconnected first pores and a second porous structure having a plurality of 3-dimensionally interconnected second pores whose diameter is different from that of the first pores and surrounding and bonded to the first porous structure.
    Type: Application
    Filed: May 4, 2016
    Publication date: April 19, 2018
    Applicants: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), INTELLIGENT SYNTHETIC BIOLOGY CENTER
    Inventors: Dong Rip KIM, Min Soo JEON, Jeong Hun HWANG, Sun Chang KIM, Byung Kwan CHO, Chang Sung HEU
  • Publication number: 20180105844
    Abstract: Provided is a method of preparing cinnamaldehyde by using a recombinant microorganism.
    Type: Application
    Filed: May 13, 2016
    Publication date: April 19, 2018
    Inventors: Ki Jun JEONG, Sun Chang KIM, Hyun Bae BANG, Yoon Hyeok LEE, Suk Chae JUNG
  • Patent number: 9943534
    Abstract: The present invention relates to a composition for preventing or treating liver cancer containing ginsenoside F2 as an active ingredient. Specifically, the composition according to the present invention kills liver cancer cells, specifically inhibits the formation of liver cancer, and reduces the expression of alanine aminotransferase (ALT) or aspartate aminotransferase (AST), without affecting normal hepatocytes, and thus can be usefully used as a therapeutic agent for liver cancer.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: April 17, 2018
    Assignee: INTELLIGENT SYNTHETIC BIOLOGY CENTER
    Inventors: Won Il Jeong, Myung Ho Kim, Jong Min Jeong, So Yeon Kim, Sun Chang Kim
  • Patent number: 9926585
    Abstract: Provided are a method of producing minor ginsenosides using a ginsenoside glycosidase protein derived from a Microbacterium sp. (Microbacterium testaceum) microorganism, and a composition including the protein for conversion into minor ginsenosides. The ginsenoside glycosidase exhibits very excellent activity of specifically hydrolyzing a sugar at the C-6 position of ginsenoside to convert the ginsenoside into in-vivo absorbable minor ginsenoside, thereby being very usefully applied to mass-production of ginsenoside.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: March 27, 2018
    Assignee: INTELLIGENT SYNTHETIC BIOLOGY CENTER
    Inventors: Sun Chang Kim, Wan Taek Im, Chang Hao Cui
  • Publication number: 20180071327
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating Gleevec-resistant leukemia, containing, as an active ingredient, ginsenoside F1 or Rg3 which exhibits a preventive or therapeutic effect on Gleevec-resistant leukemia through enhancing cell killing activity of NK cells; a method for treating Gleevec-resistant leukemia comprising a step of administering the pharmaceutical composition; and a food composition for preventing or ameliorating Gleevec-resistant leukemia. Since the pharmaceutical composition of the present invention can effectively treat leukemia that exhibits resistance to conventional Gleevec, the pharmaceutical composition can be widely used for effective leukemia treatment.
    Type: Application
    Filed: May 4, 2016
    Publication date: March 15, 2018
    Inventors: Sun Chang KIM, Hun Sik KIM
  • Patent number: 9896710
    Abstract: Provided are a novel UDP-glycosyltransferase (uridine diphosphate glycosyltransferase) protein having glycosyltransfer activity for glucose linked by a glycosidic bond at the C-20 position of PPD (protopanaxadiol)-type or PPT (protopanaxatriol)-type ginsenoside, and use thereof.
    Type: Grant
    Filed: September 17, 2015
    Date of Patent: February 20, 2018
    Assignees: Korea Advanced Institute of Science and Technology, Intelligent Synthetic Biology Center
    Inventors: Sun-Chang Kim, Giltsu Choi, Suk-Chae Jung, Woohyun Kim, Soohwan Lim, Wan-Taek Im
  • Publication number: 20180036324
    Abstract: The present invention relates to a composition for preventing or treating liver cancer containing ginsenoside F2 as an active ingredient. Specifically, the composition according to the present invention kills liver cancer cells, specifically inhibits the formation of liver cancer, and reduces the expression of alanine aminotransferase (ALT) or aspartate aminotransferase (AST), without affecting normal hepatocytes, and thus can be usefully used as a therapeutic agent for liver cancer.
    Type: Application
    Filed: March 17, 2017
    Publication date: February 8, 2018
    Inventors: Won Il JEONG, Myung Ho KIM, Jong Min JEONG, So Yeon KIM, Sun Chang KIM
  • Publication number: 20170368084
    Abstract: The present invention relates to composition for enhancing immunity, comprising ginsenoside F1 as an active ingredient. Specifically, the composition according to the present invention promotes degranulation activity and cell-killing activity of natural killer cells, and increases expressions of cell-killing factors, thereby being effectively used as an immune enhancer.
    Type: Application
    Filed: March 17, 2017
    Publication date: December 28, 2017
    Inventors: Sun Chang KIM, Hun Sik KIM
  • Publication number: 20170292945
    Abstract: The present invention relates to a method for screening an activator of mitochondrial activity by using gypenoside-treated cells, to a composition for screening an activator of mitochondrial activity, comprising the gypenoside, and to a kit comprising the composition. By using the method for screening an activator of mitochondrial activity of the present invention, it is possible to effectively discover a preparation which can substantially promote the mitochondrial activity, and thus the method is expected to be widely used in developing a therapeutic agent for diseases caused by mitochondrial activity inhibition.
    Type: Application
    Filed: June 22, 2016
    Publication date: October 12, 2017
    Inventors: Sun Chang KIM, Chan Bae PARK, Soon Jang LEE
  • Patent number: 9784747
    Abstract: For efficient analysis of a protein-protein interaction, the present disclosure provides a kit for analyzing a protein-protein interaction, the kit including: a 1st expression vector including a 1st polynucleotide and a multi-cloning site, wherein, the 1st polynucleotide is operably linked to a promoter and encodes a 1st fusion protein having a 1st fluorescence protein and a 1st self-assembly protein, and the multi-cloning site is a site where a polynucleotide encoding a bait protein may be operably linked to the polynucleotide encoding the 1st fusion protein; and a 2nd expression vector including a 2nd polynucleotide and a multi-cloning site, wherein, the 2nd polynucleotide is operably linked to a promoter and encodes a 2nd fusion protein having a 2nd fluorescence protein and a 2nd self-assembly protein, and the multi-cloning site is a site where a polynucleotide encoding a prey protein may be operably linked to the polynucleotide encoding the 2nd fusion protein.
    Type: Grant
    Filed: July 23, 2012
    Date of Patent: October 10, 2017
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Won Do Heo, Sun Chang Kim, Sang Kyu Lee
  • Publication number: 20170175159
    Abstract: Provided are a method of producing minor ginsenosides using a ginsenoside glycosidase protein derived from a Microbacterium sp. (Microbacterium testaceum) microorganism, and a composition including the protein for conversion into minor ginsenosides. The ginsenoside glycosidase exhibits very excellent activity of specifically hydrolyzing a sugar at the C-6 position of ginsenoside to convert the ginsenoside into in-vivo absorbable minor ginsenoside, thereby being very usefully applied to mass-production of ginsenoside.
    Type: Application
    Filed: June 23, 2016
    Publication date: June 22, 2017
    Inventors: Sun Chang Kim, Wan Taek Im, Chang Hao Cui
  • Patent number: 9670469
    Abstract: The present invention relates to a novel uridine diphosphate (UDP)-glycosyltransferase, and particularly to a novel UDP-glycosyltransferase derived from ginseng and use thereof, a method for preparing glycosylated ginsenoside by converting protopanaxadiol (PPD)-type ginsenoside using the UDP-glycosyltransferase, a composition for converting the PPD-type ginsenoside into glycosylated ginsenoside, comprising the UDP-glycosyltransferase, a transformant or a culture thereof as active ingredients, a method for enhancing the expression of the UDP-glycosyltransferase using MeJA (methyl jasmonate), and a composition for enhancing the expression of the UDP-glycosyltransferase, which comprises MeJA as an active ingredient.
    Type: Grant
    Filed: December 24, 2012
    Date of Patent: June 6, 2017
    Assignees: INTELLIGENT SYNTHETIC BIOLOGY CENTER, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sun-Chang Kim, Gil Tsu Choi, Suk Chae Jung, Woo Hyun Kim, Wan Taek Im, Yeon Lee
  • Publication number: 20170145389
    Abstract: This invention relates to a novel formaldehyde dehydrogenase expressed by a formaldehyde dehydrogenase gene and having independent reduction activity for formic acid, a method of preparing the formaldehyde dehydrogenase from a strain transformed with a recombinant expression vector including the gene, and a method of producing formaldehyde from formic acid through a reduction reaction of the formaldehyde dehydrogenase.
    Type: Application
    Filed: May 29, 2014
    Publication date: May 25, 2017
    Applicant: KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP.
    Inventors: Jung-Kul Lee, Ranjitha Ramakrishnan, Ji-Hyun Park, Tae-Su Kim, Sun-Chang Kim
  • Publication number: 20170121750
    Abstract: The present invention relates to a uridine diphosphate (UDP)-glycosyltransferase protein which has glycosylation activity for a hydroxyl group at the C-20 position of a protopanaxadiol (PPD)- or protopanaxatriol (PPT)-type ginsenoside, and a method for glycosylation of UDP using the same.
    Type: Application
    Filed: April 30, 2015
    Publication date: May 4, 2017
    Inventors: Sun Chang Kim, Gil Tsu Choi, Suk Chae Jung, Myung Keun Park, Woo Hyun Kim, Soo Hwan Lim, Wan Taek Im