Patents by Inventor Da-Eun Hwang

Da-Eun Hwang 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: 10793900
    Abstract: The present invention discloses a novel polypeptide capable of binding Taq DNA polymerase, a polynucleotide encoding the polypeptide, a recombinant vector comprising the polynucleotide, a cell having the recombinant vector introduced therein, a method of producing the polypeptide using the recombinant cell, and a hot-start PCR composition comprising the polypeptide. The polypeptide of the present invention is capable of binding specifically to Taq DNA polymerase to inhibit the activity of the polymerase, and thus may be effectively used in hot-start PCR using Taq DNA polymerase.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 6, 2020
    Assignees: ENZYNOMICS CO. LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Da-Eun Hwang, Yong Keol Shin, Palinda Ruvan Munashingha, So Yeon Park, Yeon-Soo Seo, Hak-Sung Kim
  • Patent number: 10508138
    Abstract: The present disclosure relates to a novel polypeptide capable of binding specifically to vascular endothelial growth factor, a polynucleotide encoding the polypeptide, a vector comprising the polynucleotide, a recombinant microorganism including the expression vector, a method of producing the polypeptide using the recombinant microorganism, a composition for treating or preventing age-related macular degeneration or cancer, which comprises the polypeptide, and a method for preventing or treating age-related macular degeneration or cancer, which comprises administering the composition for treating or preventing age-related macular degeneration or cancer, which comprises the polypeptide. The disclosed polypeptide is capable of binding to vascular endothelial growth factor to inhibit the activity thereof, and thus can be widely used as an agent for treating and preventing various diseases associated with vascular endothelial growth factor (VEGF).
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: December 17, 2019
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hak-Sung Kim, Da Eun Hwang, Jeong Hyun Ryou
  • Patent number: 10287342
    Abstract: The present invention relates to novel polypeptide for binding to a complement protein C5a. More particularly, the present invention relates to polypeptide which can be bound to a complement protein C5a and inhibit the activation of same, polynucleotide which codes for the polypeptide, a recombinant vector which comprises the polynucleotide, a recombinant microorganism to which the recombinant vector has been introduced, a method for producing the polypeptide by means of the recombinant microorganism, and a pharmaceutical composition, for treating immune diseases or sepsis, containing the polypeptide. A polypeptide, according to the present invention, can be bound to a complement protein C5a, with higher affinity compared to being bound to a complement protein C5a receptor which is present in nature, and inhibits the activation of same, thus being widely utilized for development of formulation for preventing or treating diseases related to a complement protein C5a.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: May 14, 2019
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hak-Sung Kim, Da Eun Hwang, Jung-Min Choi, Joong-Jae Lee, Woosung Heu
  • Publication number: 20180298422
    Abstract: The present invention discloses a novel polypeptide capable of binding Taq DNA polymerase, a polynucleotide encoding the polypeptide, a recombinant vector comprising the polynucleotide, a cell having the recombinant vector introduced therein, a method of producing the polypeptide using the recombinant cell, and a hot-start PCR composition comprising the polypeptide. The polypeptide of the present invention is capable of binding specifically to Taq DNA polymerase to inhibit the activity of the polymerase, and thus may be effectively used in hot-start PCR using Taq DNA polymerase.
    Type: Application
    Filed: April 21, 2017
    Publication date: October 18, 2018
    Applicants: ENZYNOMICS CO. LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Da-Eun HWANG, Yong Keol SHIN, Palinda Ruvan MUNASHINGHA, So Yeon PARK, Yeon-Soo SEO, Hak-Sung KIM
  • Publication number: 20180170980
    Abstract: The present disclosure relates to a novel polypeptide capable of binding specifically to vascular endothelial growth factor, a polynucleotide encoding the polypeptide, a vector comprising the polynucleotide, a recombinant microorganism including the expression vector, a method of producing the polypeptide using the recombinant microorganism, a composition for treating or preventing cancer, which comprises the polypeptide, and a method for preventing or treating cancer, which comprises administering the composition for treating or preventing cancer, which comprises the polypeptide. The disclosed polypeptide is capable of binding to vascular endothelial growth factor to inhibit the activity thereof, and thus can be widely used as an agent for treating and preventing various diseases associated with vascular endothelial growth factor (VEGF).
    Type: Application
    Filed: September 16, 2015
    Publication date: June 21, 2018
    Inventors: Hak-Sung Kim, Da Eun Hwang, Jeong Hyun Ryou
  • Publication number: 20170218060
    Abstract: The present invention relates to novel polypeptide for binding to a complement protein C5a. More particularly, the present invention relates to polypeptide which can be bound to a complement protein C5a and inhibit the activation of same, polynucleotide which codes for the polypeptide, a recombinant vector which comprises the polynucleotide, a recombinant microorganism to which the recombinant vector has been introduced, a method for producing the polypeptide by means of the recombinant microorganism, and a pharmaceutical composition, for treating immune diseases or sepsis, containing the polypeptide. A polypeptide, according to the present invention, can be bound to a complement protein C5a, with higher affinity compared to being bound to a complement protein C5a receptor which is present in nature, and inhibits the activation of same, thus being widely utilized for development of formulation for preventing or treating diseases related to a complement protein C5a.
    Type: Application
    Filed: August 3, 2015
    Publication date: August 3, 2017
    Inventors: Hak-Sung KIM, Da Eun HWANG, Jung-Min CHOI, Joong-Jae LEE, Woosung HEU
  • Publication number: 20150133308
    Abstract: The present invention relates to a method for improving a repebody protein comprising repeat modules and a nucleotide library encoding a repebody protein library for improving the repebody protein. More particularly, the present invention relates to a method for improving a repebody protein using a module evolution method of sequentially mutating repeat modules constituting the repebody protein, and a nucleotide library encoding a repebody protein library used to improve the protein. According to the module evolution method of the present invention, an improved repebody protein can be screened which has a high binding affinity and accordingly increased specificity and activity, and thus it is easy to express a repebody used as an inhibitor, a therapeutic agent, and an analysis means against a target substance.
    Type: Application
    Filed: November 11, 2014
    Publication date: May 14, 2015
    Inventors: Hak-Sung Kim, Joong-Jae Lee, Hyun-Ho Kyeong, Jung-Min Choi, Da-Eun Hwang, Hae-Kap Cheong, Hyun Jung Kim, Eun-Kyeong Jo, Chul-Su Yang, Jae-Min Yuk