Patents by Inventor Rocky S. Tuan
Rocky S. Tuan 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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Patent number: 12234486Abstract: Disclosed herein are various bioreactor devices and systems for growing cellular material, and related methods of growing cellular material. In some cases, a system can include a well plate having a plurality of wells and a bioreactor situated in each well of the well plate. In some cases, a bioreactor can include an inner body which divides the bioreactor into several distinct chambers and facilitates the growth of a multi-tissue sample in the bioreactor. In some cases, a system can include a mechanical actuator situated to mechanically stress tissues grown in a bioreactor.Type: GrantFiled: November 15, 2023Date of Patent: February 25, 2025Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Rocky S. Tuan, Hang Lin, Thomas P. Lozito, Peter Alexander, Douglas Allen Nelson, Jr., Riccardo Gottardi
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Publication number: 20240093157Abstract: Disclosed herein are various bioreactor devices and systems for growing cellular material, and related methods of growing cellular material. In some cases, a system can include a well plate having a plurality of wells and a bioreactor situated in each well of the well plate. In some cases, a bioreactor can include an inner body which divides the bioreactor into several distinct chambers and facilitates the growth of a multi-tissue sample in the bioreactor. In some cases, a system can include a mechanical actuator situated to mechanically stress tissues grown in a bioreactor.Type: ApplicationFiled: November 15, 2023Publication date: March 21, 2024Applicant: University of Pittsburgh - Of the Commonwealth System of Higher EducationInventors: Rocky S. Tuan, Hang Lin, Thomas P. Lozito, Peter Alexander, Douglas Allen Nelson, Jr., Riccardo Gottardi
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Patent number: 11845961Abstract: Disclosed herein are various bioreactor devices and systems for growing cellular material, and related methods of growing cellular material. In some cases, a system can include a well plate having a plurality of wells and a bioreactor situated in each well of the well plate. In some cases, a bioreactor can include an inner body which divides the bioreactor into several distinct chambers and facilitates the growth of a multi-tissue sample in the bioreactor. In some cases, a system can include a mechanical actuator situated to mechanically stress tissues grown in a bioreactor.Type: GrantFiled: January 19, 2021Date of Patent: December 19, 2023Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Rocky S. Tuan, Hang Lin, Thomas P. Lozito, Peter Alexander, Douglas Allen Nelson, Jr., Riccardo Gottardi
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Publication number: 20210332098Abstract: Disclosed herein are Nsp-IL10 polypeptides comprising an Nsp polypeptide and an IL10 polypeptide. In some embodiments, Nsp-IL10 polypeptide is capable of activating an NGF signaling pathway, an IL10 signaling pathway, or both. Also disclosed are methods for treating a disease comprising administering an Nsp-IL10 polypeptide. The methods include treating diseases associated with joint inflammation, such as osteoarthritis.Type: ApplicationFiled: July 2, 2021Publication date: October 28, 2021Inventors: Yangzi Jiang, Rocky S. Tuan
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Patent number: 11154858Abstract: Disclosed herein are various bioreactor devices and systems for growing cellular material, and related methods of growing cellular material. In some cases, a system can include a bioreactor system having one or more wells with at least one fluidic passageway coupled to each well to feed fluids to biological material being developed inside the well. In some cases, a bioreactor system can include a main body comprising the perimeter of the well and the fluidic passageways, a cover that forms the top of the well and provides optical access into the well, and a base that forms the bottom surface of the well. The cover and base can be attached and detached from the main body to seal the well closed and to physically access the contents of the well.Type: GrantFiled: October 6, 2016Date of Patent: October 26, 2021Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Riccardo Gottardi, Peter Alexander, Bryan Romell, Rocky S. Tuan
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Patent number: 11084857Abstract: Disclosed herein are Nsp-IL10 polypeptides comprising an Nsp polypeptide and an IL10 polypeptide. In some embodiments, Nsp-IL10 polypeptide is capable of activating an NGF signaling pathway, an IL10 signaling pathway, or both. Also disclosed are methods for treating a disease comprising administering an Nsp-IL10 polypeptide. The methods include treating diseases associated with joint inflammation, such as osteoarthritis.Type: GrantFiled: December 5, 2019Date of Patent: August 10, 2021Assignee: UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATIONInventors: Yangzi Jiang, Rocky S. Tuan
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Publication number: 20210139859Abstract: Disclosed herein are various bioreactor devices and systems for growing cellular material, and related methods of growing cellular material. In some cases, a system can include a well plate having a plurality of wells and a bioreactor situated in each well of the well plate. In some cases, a bioreactor can include an inner body which divides the bioreactor into several distinct chambers and facilitates the growth of a multi-tissue sample in the bioreactor. In some cases, a system can include a mechanical actuator situated to mechanically stress tissues grown in a bioreactor.Type: ApplicationFiled: January 19, 2021Publication date: May 13, 2021Applicant: University of Pittsburgh - Of the Commonwealth System of Higher EducationInventors: Rocky S. Tuan, Hang Lin, Thomas P. Lozito, Peter Alexander, Douglas Allen Nelson, JR., Riccardo Gottardi
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Patent number: 10900023Abstract: Disclosed herein are various bioreactor devices and systems for growing cellular material, and related methods of growing cellular material. In some cases, a system can include a well plate having a plurality of wells and a bioreactor situated in each well of the well plate. In some cases, a bioreactor can include an inner body which divides the bioreactor into several distinct chambers and facilitates the growth of a multi-tissue sample in the bioreactor. In some cases, a system can include a mechanical actuator situated to mechanically stress tissues grown in a bioreactor.Type: GrantFiled: August 22, 2014Date of Patent: January 26, 2021Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Rocky S. Tuan, Hang Lin, Thomas P. Lozito, Peter Alexander, Douglas A. Nelson, Jr., Riccardo Gottardi
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Patent number: 10864234Abstract: Methods are disclosed for forming bone and/or cartilage in an avian subject. The methods include administering to the avian subject a therapeutically effective amount of a composition comprising avian mesenchymal stem cells and a hydrogel that supports the differentiation of the avian mesenchymal stem cells into cells of an osteogenic and/or condrogenic lineage. In some embodiments, methods are disclosed for repairing a bone defect and preventing infection, such as that associated bone fracture, in an avian subject. The methods include administering locally to the bone defect a composition comprising a therapeutically effective amount of avian mesenchymal stem cells and a hydrogel, such as a methacrylated gelatin hydrogel.Type: GrantFiled: November 4, 2015Date of Patent: December 15, 2020Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventor: Rocky S. Tuan
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Publication number: 20200181219Abstract: Disclosed herein are Nsp-IL10 polypeptides comprising an Nsp polypeptide and an IL10 polypeptide. In some embodiments, Nsp-IL10 polypeptide is capable of activating an NGF signaling pathway, an IL10 signaling pathway, or both. Also disclosed are methods for treating a disease comprising administering an Nsp-IL10 polypeptide. The methods include treating diseases associated with joint inflammation, such as osteoarthritis.Type: ApplicationFiled: December 5, 2019Publication date: June 11, 2020Inventors: Yangzi Jiang, Rocky S. Tuan
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Patent number: 10507187Abstract: A graft containing a scaffold that includes a matrix in which are positioned mesenchymal progenitor cells (MPCs) has the capacity to substantially improve wound healing, including wounds resulting from injury to nerve, bone and vascular tissue. MPCs can be harvested from debrided muscle tissue following orthopaedic trauma. The traumatized muscle-derived progenitor cells are a readily available autologous cell source that can be utilized to effect or improve wound healing in a variety of therapeutic settings and vehicles.Type: GrantFiled: February 12, 2014Date of Patent: December 17, 2019Assignees: THE HENRY M. JACKSON FOUNDATION FOR THE ADVANCEMENT OF MILITARY MEDICINE, INC., THE UNITED STATES GOVERNMENT, AS REPRESENTED BY THE SECRETARY OF THE ARMY, U.S.A., THE GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE DEPARTMENT OF HEALTH AND HUMAN SERVICESInventors: Wesley M. Jackson, Leon J. Nesti, Rocky S. Tuan
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Publication number: 20180223329Abstract: Functionalized chondroitin sulfate, cross-linked polymer matrices comprising functionalized chondroitin sulfate, and methods of making and using the same are provided. Such polymer matrices may be used for tissue engineering, reconstructing cartilage, and the like. Kits are also provided for detection of cartilage degrading enzymes.Type: ApplicationFiled: June 22, 2017Publication date: August 9, 2018Inventors: Jennifer H. Elisseeff, Rocky S. Tuan, Qiang Li, Dongan Wang, Ronald Paul Silverman
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Publication number: 20170333488Abstract: Methods are disclosed for forming bone and/or cartilage in an avian subject. The methods include administering to the avian subject a therapeutically effective amount of a composition comprising avian mesenchymal stem cells and a hydrogel that supports the differentiation of the avian mesenchymal stem cells into cells of an osteogenic and/or condrogenic lineage. In some embodiments, methods are disclosed for repairing a bone defect and preventing infection, such as that associated bone fracture, in an avian subject. The methods include administering locally to the bone defect a composition comprising a therapeutically effective amount of avian mesenchymal stem cells and a hydrogel, such as a methacrylated gelatin hydrogel.Type: ApplicationFiled: November 4, 2015Publication date: November 23, 2017Applicant: University of Pittsburgh - Of the Commonwealth System of Higher EducationInventor: Rocky S. TUAN
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Publication number: 20160201037Abstract: Disclosed herein are various bioreactor devices and systems for growing cellular material, and related methods of growing cellular material. In some cases, a system can include a well plate having a plurality of wells and a bioreactor situated in each well of the well plate. In some cases, a bioreactor can include an inner body which divides the bioreactor into several distinct chambers and facilitates the growth of a multi-tissue sample in the bioreactor. In some cases, a system can include a mechanical actuator situated to mechanically stress tissues grown in a bioreactor.Type: ApplicationFiled: August 22, 2014Publication date: July 14, 2016Inventors: Rocky S. TUAN, Hang LIN, Thomas P. LOZITO, Peter ALEXANDER, Douglas A. NELSON, JR., Riccardo GOTTARDI
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Publication number: 20160106548Abstract: The instant invention is directed to a tissue engineered intervertebral disc comprising at least one inner layer and an exterior layer, wherein: the exterior layer comprises a nanofibrous polymer support comprising one or more polymer nanofibers; the at least one inner layer comprises a hydrogel composition comprising at least one or more hydrogel materials and/or one or more polymer nanofibers; and a plurality of cells which are dispersed throughout the tissue engineered intervertebral disc. Additionally, the instant invention is directed to methods of making such intervertebral discs and methods of treating intervertebral disc damage.Type: ApplicationFiled: December 28, 2015Publication date: April 21, 2016Inventors: Wan-Ju Li, Leon J. Nesti, Rocky S. Tuan
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Publication number: 20140288022Abstract: Functionalized chondroitin sulfate, cross-linked polymer matrices comprising functionalized chondroitin sulfate, and methods of making and using the same are provided. Such polymer matrices may be used for tissue engineering, reconstructing cartilage, and the like. Kits are also provided for detection of cartilage degrading enzymes.Type: ApplicationFiled: March 17, 2014Publication date: September 25, 2014Applicants: The Johns Hopkins University, The United States, as represented by the Secretary Department of Health & Human Services, University of Maryland, BaltimoreInventors: Jennifer H. Elisseeff, Rocky S. Tuan, Qiang Li, Dongan Wang, Ronald Paul Silverman
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Publication number: 20140227339Abstract: A graft containing a scaffold that includes a matrix in which are positioned mesenchymal progenitor cells (MPCs) has the capacity to substantially improve wound healing, including wounds resulting from injury to nerve, bone and vascular tissue. MPCs can be harvested from debrided muscle tissue following orthopaedic trauma. The traumatized muscle-derived progenitor cells are a readily available autologous cell source that can be utilized to effect or improve wound healing in a variety of therapeutic settings and vehicles.Type: ApplicationFiled: February 12, 2014Publication date: August 14, 2014Applicants: THE HENRY M. JACKSON FOUNDATION FOR THE ADVANCEMENT OF MILITARY MEDICINE, INC., THE GOVERNMENT OF THE UNITED STATES, AS REPRESENTED BY THE SECRETARY OF THE DEPARTMENT OF, THE UNITED STATES GOVERNMENT, AS REPRESENTED BY THE SECRETARY OF THE ARMY, U.S.A.Inventors: Wesley M. Jackson, Leon J. Nesti, Rocky S. Tuan
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Patent number: 8709793Abstract: A bioreactor device, and a method and system for fabricating tissues and growing cells and tissues in the bioreactor device, accommodates less than about 1 mL (or less than about 200 ?L) of local medium volume but sample sizes of about 100 ?L or greater. The bioreactor device includes a bioreactor chamber for containing a sample, where sample growth in response to mechanical, electrical, and biofactor stimulation is monitored through one or more optical ports. Embedded sensors are provided for measuring fluid pressure, pH, temperature, and oxygen tension. The bioreactor device can receive different types of mechanical loadings, including fluid shear, hydrostatic pressure, matrix compression, and clinorotation.Type: GrantFiled: July 20, 2006Date of Patent: April 29, 2014Assignee: The United States of America, as represented by the Secretary, Department of Health and Human ServicesInventors: Juan M. Taboas, Rocky S. Tuan, Steven D. Hudson
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Patent number: 8673333Abstract: Functionalized chondroitin sulfate, cross-linked polymer matrices comprising functionalized chondroitin sulfate, and methods of making and using the same are provided. Such polymer matrices may be used for tissue engineering, reconstructing cartilage, and the like. Kits are also provided for detection of cartilage degrading enzymes.Type: GrantFiled: September 5, 2006Date of Patent: March 18, 2014Assignees: The Johns Hopkins University, University of Maryland, Baltimore, The United States of America, as represented by the Secretary, Department of Health & Human ServicesInventors: Jennifer Elisseeff, Rocky S. Tuan, Qiang Li, Dongan Wang, Ronald Paul Silverman
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Patent number: 8652458Abstract: A graft containing a scaffold that includes a matrix in which are positioned mesenchymal progenitor cells (MPCs) has the capacity to substantially improve wound healing, including wounds resulting from injury to nerve, bone and vascular tissue. MPCs can be harvested from debrided muscle tissue following orthopaedic trauma. The traumatized muscle-derived progenitor cells are a readily available autologous cell source that can be utilized to effect or improve wound healing in a variety of therapeutic settings and vehicles.Type: GrantFiled: August 5, 2009Date of Patent: February 18, 2014Assignees: The Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., The United States of America, as represented by the Secretary of the Army, U.S.A., The United States of America, as represented by the Secretary of the Department of Health and Human ServicesInventors: Wesley M. Jackson, Leon J. Nesti, Rocky S. Tuan