Patents by Inventor Songtao Shi
Songtao Shi 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).
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Publication number: 20230084480Abstract: Use of an inducible extracellular vesicle as a medicament for skin, health care products or skin care products. A composition, comprising the inducible vesicle and the medicaments or care products for skin.Type: ApplicationFiled: January 20, 2021Publication date: March 16, 2023Applicant: EV CELL BIOTECH (GUANGZHOU) CO., LTD.Inventors: Lan MA, Xiaoxing KOU, Songtao SHI
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Publication number: 20230051925Abstract: Provided are a vesicle and the use thereof. The vesicle is an induced vesicle, and the sources thereof include stem cells or somatic cells, and the possessed markers include Syntaxin 4. Compared with an exosome in mesenchymal stem cells, the vesicle can specifically express Syntaxin 4 and can be used to distinguish characteristic markers of MSC-derived vesicles and exosomes. The vesicle can play a procoagulant effect in vitro, can improve the bleeding tendency of mice with hemophilia after in vivo injection, and can be used for the treatment of improving the bleeding tendency of hemophilia. In addition, the vesicle can be expelled through the skin and hair.Type: ApplicationFiled: January 20, 2021Publication date: February 16, 2023Applicant: EV CELL BIOTECH (GUANGZHOU) CO., LTD.Inventors: Xiao ZHANG, Xiaoxing KOU, Songtao SHI
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Patent number: 10889804Abstract: This disclosure relates to pancreatic stromal progenitor cells. This disclosure also relates to isolation of pancreatic stromal progenitor cells. This disclosure further relates to a composition comprising pancreatic stromal progenitor cells and preparation of this composition. This disclosure also relates to a treatment comprising administering a composition comprising pancreatic stromal progenitor cells. This disclosure also relates to a treatment of diabetes mellitus comprising administering a composition comprising pancreatic stromal progenitor cells.Type: GrantFiled: May 11, 2016Date of Patent: January 12, 2021Assignee: ALFRED E. MANN INSTITUTE FOR BIOMEDICAL ENGINEERING AT THE UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Songtao Shi, Jin Liu
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Patent number: 10736922Abstract: Disclosed are isolated human bone marrow mesenchymal stem cells having high telomerase activity (tBMMSCs). Also disclosed are isolated human CD34+ bone marrow mesenchymal stem cells. Also disclosed are bone marrow mesenchymal stem cells treated with a telomerase induction agent.Type: GrantFiled: December 18, 2017Date of Patent: August 11, 2020Assignee: University of Southern CaliforniaInventors: Songtao Shi, Kentaro Akiyama, Chider Chen
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Patent number: 10646518Abstract: This disclosure relates to apoptotic bodies. The disclosure particularly relates to a composition comprising the apoptotic bodies. The disclosure further relates to preparation of apoptotic bodies from stem cells. The disclosure also relates to medical treatments comprising the use of the composition comprising the apoptotic bodies. The apoptotic bodies may comprise apoptotic stem cells. The apoptosis of a cell may be induced by a starvation method, an ultra-violet irradiation method, a thermal stress method, a staurosporine method, or a combination thereof.Type: GrantFiled: August 7, 2015Date of Patent: May 12, 2020Assignees: ALFRED E. MANN INSTITUTE FOR BIOMEDICAL ENGINEERING AT THE UNIVERSITY OF SOUTHERN CALIFORNIA, UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Songtao Shi, Dawei Liu, Cunye Qu
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Patent number: 10421946Abstract: Mesenchymal precursors cells have been isolated from perivascular niches from a range of tissues utilizing a perivascular marker. A new mesenchymal precursor cell phenotype is described characterized by the presence of the perivascular marker 3G5, and preferably also alpha smooth muscle actin together with early developmental markers such as MUC 18, VCAM-1 and STRO-1bri. The perivascular mesenchymal precursor cell is multipotential and is shown to form, vascular tissue, as well as bone marrow dentin and pulp. A method of enriching using cell sorting based on these markers is also described.Type: GrantFiled: June 23, 2015Date of Patent: September 24, 2019Assignee: MESOBLAST, INC.Inventors: Stan Gronthos, Andrew Zannettino, Songtao Shi
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Publication number: 20190167846Abstract: A method for reconstructing a functional tooth by using a carrier loaded with a plurality of mesenchymal stem cells including at least one of a stem cell derived from Apical Papilla (SCAP), Periodontal Ligament Stem Cells (PDLSC), and Dental Pulp Stem Cells (DPSC). The mesenchymal stem cell loaded carrier is planted into a site within a subject's oral cavity to form a bio-root upon which a crown may be affixed, The mesenchymal stem cells will develop new periodontal tissues to stabilize the bio-root. Methods disclosed herein are particularly beneficial for subjects lacking good bone structures for conventional crown treatments.Type: ApplicationFiled: February 4, 2019Publication date: June 6, 2019Inventors: Songtao SHI, Wataru SONOYAMA, Takayoshi YAMAZA, Songlin WANG
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Patent number: 10232080Abstract: A method for reconstructing a functional tooth by using a carrier loaded with a plurality of mesenchymal stem cells including at least one of a stem cell derived from Apical Papilla (SCAP), Periodontal Ligament Stem Cells (PDLSC), and Dental Pulp Stem Cells (DPSC). The mesenchymal stem cell loaded carrier is planted into a site within a subject's oral cavity to form a bio-root upon which a crown may be affixed, The mesenchymal stem cells will develop new periodontal tissues to stabilize the bio-root. Methods disclosed herein are particularly beneficial for subjects lacking good bone structures for conventional crown treatments.Type: GrantFiled: November 29, 2007Date of Patent: March 19, 2019Assignee: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Songtao Shi, Wataru Sonoyama, Takayoshi Yamaza, Songlin Wang
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Publication number: 20190060406Abstract: This disclosure relates to a stem cell treatment. This disclosure also relates to an IL-1RA treatment. This disclosure also relates to a composition comprising stem cells and preparation of this composition. This disclosure also relates to a composition comprising IL-1RA, an IL-1RA substitute, or a combination thereof. This disclosure also relates to preparation of this composition. This disclosure further relates to a wound treatment using a composition comprising IL-1RA, an IL-1RA substitute, or a combination thereof. This disclosure also further relates to a treatment to reduce scar formation by using a composition comprising IL-1RA, an IL-1RA substitute, or a combination thereof.Type: ApplicationFiled: March 22, 2016Publication date: February 28, 2019Inventor: Songtao Shi
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Publication number: 20180318355Abstract: The present invention discloses methods, compositions and devices for improving tissue regeneration by suppressing the effects of several proinflammatory cytokines such as TNF-? and IFN-?. Compositions and devices of this invention will generally include one or more anti-inflammatory agent(s) capable of reducing the level of TNF-?, IFN-?, or both. Methods for improving tissue regeneration in accordance with this invention will generally have the step of applying a composition or device of the invention to a site in need of the composition or device. Also disclosed are methods for forming composition and devices of the invention and pharmaceutical compositions comprising one or more anti-inflammatory agent(s) effective of inhibiting or reducing the levels of TNF-?, IFN-?, or both.Type: ApplicationFiled: December 7, 2017Publication date: November 8, 2018Applicant: Alfred E. Mann Institute for Biomedical Eng. at the University of Southern CaliforniaInventors: Songtao Shi, Yi Liu, Lei Wang
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Patent number: 10098333Abstract: This invention discloses a stem cell modified animal model useful as a research tool for investigating aging-related degeneration processes and treatments. The animal model is preferably a rodent subcutaneously transplanted with a mesenchymal stem cell capable of generating a functional bone or marrow element. Also provided are a method for extending the lifespan and improving the quality of life of a subject by subcutaneously transplanting a plurality of mesenchymal stem cells to the subject, wherein the mesenchymal stem cells are capable of generating a functional bone or marrow element. Compositions and source of stem cells suitable for use with the methods of this invention, including stem cells from human exfoliated deciduous teeth (SHED), are also disclosed. Further disclosed is a method for identifying progenitor bone marrow mesenchymal stem cells, and a method for treating SLE-like autoimmune diseases by infusion of mesenchymal stem cells.Type: GrantFiled: December 9, 2009Date of Patent: October 16, 2018Assignee: University Of Southern CaliforniaInventors: Songtao Shi, Takayoshi Yamaza, Kentaro Akiyama
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Patent number: 10098913Abstract: This disclosure relates in general to a stem cell treatment. This disclosure further relates to a stem cell treatment using a composition comprising stem cells having highly expressed Fas-L. This disclosure further relates to a stem cell treatment of multiple myeloma. This disclosure also relates to a composition comprising stem cells having highly expressed Fas-L. This disclosure also relates to preparation of a composition comprising stem cell having highly expressed Fas-L. This disclosure also relates to preparation of a composition comprising stem cells having highly expressed Fas-L by using a salicylate. An example of salicylate may be aspirin. This disclosure further relates to a stem cell treatment of multiple myeloma. This disclosure also relates to a stem cell treatment of an inflammatory disease and/or autoimmune disease.Type: GrantFiled: September 10, 2014Date of Patent: October 16, 2018Assignee: University Of Southern CaliforniaInventors: Songtao Shi, Shiyu Liu, Fa-ming Chen
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Patent number: 10046012Abstract: The invention generally relates to postnatal periodontal ligament stem cells and methods for their use. More specifically, the invention relates in one aspect to postnatal periodontal ligament multipotent stem cells, use of the cells to generate periodontium, differentiation of the cells and methods of tissue cryopreservation.Type: GrantFiled: November 9, 2015Date of Patent: August 14, 2018Assignee: The United States of America as represented by the Secretary, Department of Health and Human ServicesInventors: Songtao Shi, Byoung-Moo Seo, Masako Miura
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Publication number: 20180142213Abstract: This disclosure relates to pancreatic stromal progenitor cells. This disclosure also relates to isolation of pancreatic stromal progenitor cells. This disclosure further relates to a composition comprising pancreatic stromal progenitor cells and preparation of this composition. This disclosure also relates to a treatment comprising administering a composition comprising pancreatic stromal progenitor cells. This disclosure also relates to a treatment of diabetes mellitus comprising administering a composition comprising pancreatic stromal progenitor cells.Type: ApplicationFiled: May 11, 2016Publication date: May 24, 2018Applicant: Alfred E. Mann Institute for Biomedical Engineer- ing at the University of Southern CaliforniaInventors: Songtao Shi, Jin Liu
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Publication number: 20180104281Abstract: Disclosed are isolated human bone marrow mesenchymal stem cells having high telomerase activity (tBMMSCs). Also disclosed are isolated human CD34+ bone marrow mesenchymal stem cells. Also disclosed are bone marrow mesenchymal stem cells treated with a telomerase induction agent.Type: ApplicationFiled: December 18, 2017Publication date: April 19, 2018Applicant: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Songtao Shi, Kentaro Akiyama, Chider Chen
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Publication number: 20170258847Abstract: The invention generally relates to postnatal dental stem cells and methods for their use. More specifically, the invention relates in one aspect to postnatal dental pulp stem cells, use of the cells to generate dentin, and differentiation of the cells. In another aspect, the invention relates to human postnatal deciduous dental pulp multipotent stem cells, use of the cells to generate dentin, and differentiation of the cells.Type: ApplicationFiled: May 19, 2017Publication date: September 14, 2017Applicant: THE UNITED STATES OF AMERICA, as represented by the Secretary, Department of Health and Human ServInventors: Songtao Shi, Pamela Gehron Robey, Stan Gronthos, Masako Miura
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Publication number: 20170216364Abstract: This disclosure relates to apoptotic bodies. The disclosure particularly relates to a composition comprising the apoptotic bodies. The disclosure further relates to preparation of apoptotic bodies from stem cells. The disclosure also relates to medical treatments comprising the use of the composition comprising the apoptotic bodies. The apoptotic bodies may comprise apoptotic stem cells. The apoptosis of a cell may be induced by a starvation method, an ultra-violet irradiation method, a thermal stress method, a staurosporine method, or a combination thereof.Type: ApplicationFiled: August 7, 2015Publication date: August 3, 2017Inventors: Songtao SHI, Dawei LIU, Cunye QU
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Publication number: 20170204373Abstract: Mesenchymal precursors cells have been isolated from perivascular niches from a range of tissues utilizing a perivascular marker. A new mesenchymal precursor cell phenotype is described characterized by the presence of the perivascular marker 3G5, and preferably also alpha smooth muscle actin together with early developmental markers such as MUC 18, VCAM-1 and STRO-1bri. The perivascular mesenchymal precursor cell is multipotential and is shown to form, vascular tissue, as well as bone marrow dentin and pulp. A method of enriching using cell sorting based on these markers is also described.Type: ApplicationFiled: June 23, 2015Publication date: July 20, 2017Applicant: ANGIOBLAST SYSTEMS, INC.Inventors: Stan Gronthos, Andrew Zannettino, Songtao Shi
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Patent number: 9682107Abstract: The invention generally relates to postnatal dental stem cells and methods for their use. More specifically, the invention relates in one aspect to postnatal dental pulp stem cells, use of the cells to generate dentin, and differentiation of the cells. In another aspect, the invention relates to human postnatal deciduous dental pulp multipotent stem cells, use of the cells to generate dentin, and differentiation of the cells.Type: GrantFiled: September 29, 2015Date of Patent: June 20, 2017Assignee: The United States of America as represented by the Secretary of the Department of Health and Human ServicesInventors: Songtao Shi, Pamela Gehron Robey, Stan Gronthos, Masako Miura
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Publication number: 20160206660Abstract: This disclosure relates in general to a stem cell treatment. This disclosure further relates to a stem cell treatment using a composition comprising stem cells having highly expressed Fas-L. This disclosure further relates to a stem cell treatment of multiple myeloma. This disclosure also relates to a composition comprising stem cells having highly expressed Fas-L. This disclosure also relates to preparation of a composition comprising stem cell having highly expressed Fas-L. This disclosure also relates to preparation of a composition comprising stem cells having highly expressed Fas-L by using a salicylate. An example of salicylate may be aspirin. This disclosure further relates to a stem cell treatment of multiple myeloma. This disclosure also relates to a stem cell treatment of an inflammatory disease and/or autoimmune disease.Type: ApplicationFiled: September 10, 2014Publication date: July 21, 2016Applicant: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Songtao Shi, Shiyu Liu, Fa-ming Chen