Patents by Inventor Sittadjody Sivanandane

Sittadjody Sivanandane 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: 20220010270
    Abstract: A method of providing a culture of oogonia stem cells comprising oogonia stem cells is provided. The method may further include culturing the oogonia stem cells with granulosa and theca cells to differentiate the oogonia stem cells into oocytes. In some embodiments, the culturing comprises including the oogonia stem cells in an in vitro follicle construct or a microcapsule comprising said granulosa and theca cells. Further described herein is a method of forming a bioengineered follicle construct capable of releasing a mature oocyte. An in vitro fertilization method using the mature oocyte is also provided.
    Type: Application
    Filed: September 27, 2021
    Publication date: January 13, 2022
    Inventors: Sittadjody Sivanandane, Russel C. Sequeira, John D. Jackson, Anthony Atala, James J. Yoo
  • Patent number: 10398739
    Abstract: A composition comprising microcapsules, the microcapsules containing both live mammalian ovarian granulosa cells and live mammalian ovarian theca cells, is described. In some embodiments, the granulosa cells and the theca cells are contained in separate microcapsules in the composition; in some embodiments, the granulosa cells and the theca cells are contained together in the same microcapsules in the composition. The composition is can be used for estrogen, and optionally also progesterone, delivery, and hence is preferably free or essentially free of oocytes. Methods of using the same and pharmaceutical formulations containing the same are also described.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: September 3, 2019
    Assignee: Wake Forest University Health Sciences
    Inventors: Emmanuel C. Opara, James J. Yoo, Justin M. Saul, Sittadjody Sivanandane, Anthony Atala
  • Patent number: 9763986
    Abstract: A composition comprising microcapsules, the microcapsules containing both live mammalian ovarian granulosa cells and live mammalian ovarian theca cells, is described. In some embodiments, the granulosa cells and the theca cells are contained in separate microcapsules in the composition; in some embodiments, the granulosa cells and the theca cells are contained together in the same microcapsules in the composition The composition is can be used for estrogen, and optionally also progesterone, delivery, and hence is preferably free or essentially free of oocytes. Methods of using the same and pharmaceutical formulations containing the same are also described.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: September 19, 2017
    Assignee: Wake Forest University Health Sciences
    Inventors: Emmanuel Opara, James J. Yoo, Justin M. Saul, Sittadjody Sivanandane, Anthony Atala
  • Publication number: 20160206665
    Abstract: A composition comprising microcapsules, the microcapsules containing both live mammalian ovarian granulosa cells and live mammalian ovarian theca cells, is described. In some embodiments, the granulosa cells and the theca cells are contained in separate microcapsules in the composition; in some embodiments, the granulosa cells and the theca cells are contained together in the same microcapsules in the composition The composition is can be used for estrogen, and optionally also progesterone, delivery, and hence is preferably free or essentially free of oocytes. Methods of using the same and pharmaceutical formulations containing the same are also described.
    Type: Application
    Filed: February 3, 2016
    Publication date: July 21, 2016
    Inventors: Emmanuel Opara, James J. Yoo, Justin M. Saul, Sittadjody Sivanandane, Anthony Atala
  • Publication number: 20160166620
    Abstract: A composition comprising microcapsules, the microcapsules containing both live mammalian ovarian granulosa cells and live mammalian ovarian theca cells, is described. In some embodiments, the granulosa cells and the theca cells are contained in separate microcapsules in the composition; in some embodiments, the granulosa cells and the theca cells are contained together in the same microcapsules in the composition. The composition is can be used for estrogen, and optionally also progesterone, delivery, and hence is preferably free or essentially free of oocytes. Methods of using the same and pharmaceutical formulations containing the same are also described.
    Type: Application
    Filed: September 2, 2014
    Publication date: June 16, 2016
    Inventors: Emmanuel C. Opara, James J. Yoo, Justin M. Saul, Sittadjody Sivanandane, Anthony Atala
  • Patent number: 9283251
    Abstract: A composition comprising microcapsules, the microcapsules containing both live mammalian ovarian granulosa cells and live mammalian ovarian theca cells, is described. In some embodiments, the granulosa cells and the theca cells are contained in separate microcapsules in the composition; in some embodiments, the granulosa cells and the theca cells are contained together in the same microcapsules in the composition The composition is can be used for estrogen, and optionally also progesterone, delivery, and hence is preferably free or essentially free of oocytes. Methods of using the same and pharmaceutical formulations containing the same are also described.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: March 15, 2016
    Assignee: Wake Forest University Health Sciences
    Inventors: Emmanuel Opara, James J. Yoo, Justin M. Saul, Sittadjody Sivanandane, Anthony Atala
  • Publication number: 20140127308
    Abstract: A composition comprising microcapsules, the microcapsules containing both live mammalian ovarian granulosa cells and live mammalian ovarian theca cells, is described. In some embodiments, the granulosa cells and the theca cells are contained in separate microcapsules in the composition; in some embodiments, the granulosa cells and the theca cells are contained together in the same microcapsules in the composition The composition is can be used for estrogen, and optionally also progesterone, delivery, and hence is preferably free or essentially free of oocytes. Methods of using the same and pharmaceutical formulations containing the same are also described.
    Type: Application
    Filed: February 21, 2012
    Publication date: May 8, 2014
    Applicant: Wake Forest University Health Sciences
    Inventors: Emmanuel Opara, James J. Yoo, Justin M. Saul, Sittadjody Sivanandane, Anthony Atala