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Grant of the Month 2015

Grant of the Month
Media Grant of the Month 2015

Grant of the Month | December 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | January 28, 2016

GRANT OF THE MONTH

PI:  Denis E. Bragin

Pitt subcontract Principal Investigator:  Marina Kameneva

Title:  Stroke Treatment by Modulation of Hemodynamics with Drag Reducing Molecules

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Grant of the Month | November 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | November 24, 2015

GRANT OF THE MONTH

PI:  Julie Phillippi

Co-Investigators:  Thomas Gleason, Vera Donnenberg, Phil Campbell, and Lee Weiss

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Grant of the Month | October 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | October 27, 2015
PI:  David Vorp

Co-PI:  John Curci

Title:  Outside-In Regenerative Therapy for Abdominal Aortic Aneurysm

Description:  Few diseases represent the optimal potential target for regenerative cellular therapy more than the abdominal aortic aneurysm (AAA). A disease that affects a large number of elderly in the United States with a natural history that results in structural failure of the aortic wall and death, AAA continues to represent a critical need for biologic therapy. Regenerative therapy consisting of the delivery of stem cells to the damaged aorta presents a conceptually strong opportunity for the reconstitution of the aortic mural matrix and therefore aortic strength – any test of such a therapy must be done on an established aneurysm to most accurately represent what occurs in the clinic. In this proposal, we have combined the strengths of two laboratories with complementary scientific capability, and with a common interest in the development of effective biologic therapies for AAA disease. The early product of this collaborative pairing is published “proof of concept” evidence that mesenchymal stem cell (MSC) delivery to the wall of a murine AAA can slow progression. The purpose of this R21 Exploratory/Developmental Research Proposal is to develop a clinically- translatable MSC delivery system that would result in aortic matrix repair and regeneration. Our hypothesis is that local stem cell delivery to a murine AAA via an adventitially-applied hydrogel and magnetic assistance will result in intramural cell engraftment, matrix repair, and mechanical stabilization of the aortic wall. To address our hypothesis, we will execute the following specific aims: Specific Aim 1 is to develop and validate a technique to deliver MSCs into the aortic wall periadventitially using a hydrogel vehicle and magnetic guidance. The technique will be optimized by testing a cadre of iron nanoparticle types, fibrin hydrogel formulations, and stem cell concentrations both in vitro and in vitro. Specific Aim 2 is to demonstrate that local MSC delivery halts and reverses the functional and structural degeneration of an AAA in an established rodent model. MSC hydrogels developed in Specific Aim 1 will be applied to the adventitia of an elastase-induced model AAA after allowing for varying degrees of matrix degeneration. Metrics for success of the various therapies versus cell-free hydrogel controls on aortic tissue will involve: i) functional assessment (including aortic diameter and biomechanical parameters) and ii) detailed microstructural and cellular composition assessment. The expected outcome of this work is the development and proof-of-concept of a new technology for stem cell delivery to AAA.

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Grant of the Month | September 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | September 1, 2015
PI: Michael L. Boninger, MD and Thomas A. Rando, MD

Title: Alliance for Regenerative Rehabilitation Research & Training (AR3T)

Description: The advancement of regenerative medicine principles and technologies holds great potential to drive progress in the prevention and treatment of individuals with a host of pathologies resulting from injury, disease or aging. The long-term goal of regenerative medicine is to promote the repair, replacement, or regeneration of tissues. Likewise, rehabilitation seeks to harness the body’s innate regenerative potential in order to maximize function. Both fields hold great potential to drive progress in the treatment of a host of acute and chronic pathologies. We propose that these two fields are inextricably intertwined; an intersection of disciplines known as Regenerative Rehabilitation. To fully realize the tremendous potential of Regenerative Rehabilitation, we must promote the interaction of basic scientists with rehabilitation specialists. We must also train rehabilitation clinicians who can help oversee the quality, safety, and validity of these innovative Regenerative Rehabilitation technologies. The overarching goal of the Alliance for Regenerative Rehabilitation Research & Training (AR3T) is to establish a national network that will expand scientific knowledge, expertise and methodologies across the domains of regenerative medicine and rehabilitation.

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Grant of the Month | August 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | August 1, 2015
PI: Daolin Tang, MD, PhD

Co-PI: Timothy Billiar, MD

Title: Immunometabolism in Sepsis

Description: Sepsis, a clinical systemic inflammatory response syndrome occurring in patients following infection or injury, remains the leading cause of death in intensive care units worldwide, including the United States. Emerging evidence indicates that immunometabolism may play an important role in the pathogenesis of sepsis through its ability to regulate the expression and release of cytokines. In particular, we recently provided the first direct evidence that PKM2-mediated aerobic glycolysis promotes the release of HMGB1, a late mediator of lethal systemic inflammation with a wider therapeutic time window for clinical intervention. These exciting findings raise several important questions regarding the previously unknown role of PKM2 in the pathogenesis of sepsis, as well as the novel mechanisms underlying the regulation of PKM2 expression and HMGB1 release. We hypothesize that PKM2-mediated immunometabolism is an emerging hallmark of sepsis that contributes to cytokine (e.g., HMGB1) release and the subsequent systemic inflammatory response. We propose the following specific aims:

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Grant of the Month | July 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | July 1, 2015
PI: Stephen Badylak

Title: Extracellular Matrix as a Therapy for Inflammatory Bowel Disease

Description: Clinical Problem: Inflammatory Bowel Disease (IBD) affects nearly 1.5 million Americans with approximately 70,000 new cases diagnosed each year. There are a number of forms of IBD most notably ulcerative colitis (UC) and Crohn’s disease, but the medical device therapy described in this work could also address proctitis, proctosigmoiditis, and rectal mucositis. UC is the initial research target that may or may not include the other forms of inflammatory disease in the colon. UC significantly increases the risk of developing colorectal cancer and negatively impacts quality of life. The etiology of UC is unknown but altered intestinal barrier function and production of cytotoxic effector molecules within the mucosal lining of the colon are known to play central roles in the development of UC. The proposed work would investigate and evaluate the ability of a hydrogel form of extracellular matrix (ECM) to restore structure and function of the mucosal lining of the colon in a preclinical UC model. These findings would represent an important contribution to required regulatory filings prior to human studies.

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Grant of the Month | June 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | June 1, 2015
PI Stephen Badylak Title Development of Tissue Engineered Arterial Grafts Description: The purpose of this study is to evaluate the effectiveness of TEAGs (cell coated) and uncoated (un-TEAGs) as peripheral blood conduits in a sheep animal model in relation to the following.
  • TEAGs revascularization in vivo
  • Endothelialization Response
  • Patency
Source: CR Bard Term 06/15/2015 – 12/31/2016 Amount

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Grant of the Month | May 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | May 1, 2015
PI Stephen Badylak

Title Evaluation of ECM Hydrogel as a Treatment for Stroke Injury

Description: Products composed of mammalian Extracellular Matrix (ECM) have been regulated as a “device” by the FDA, and these materials have been used as a bioscaffold for the repair and reconstruction of soft tissues for the past 15 years. Work in the Badylak laboratory has shown that such matrix materials, when properly prepared, can minimize fibrous tissue deposition and induce a constructive and functional tissue remodeling response. This constructive response is due, at least in part, to bioactive cryptic peptides created during the process of scaffold degradation. Bioactive properties of these oligopeptides include chemoattraction for endogenous stem and progenitor cells, angiogenesis, and modulation of the innate immune response toward a regulatory and constructive “M2”phenotype.

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Grant of the Month | April 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | April 1, 2015
PI J Peter Rubin

Title Injectable Engineered Tissue for Cancer Reconstruction
Description: Breast reconstruction relieves physical discomfort and psychological distress following mastectomy for over 90,000 women in the United States annually. The limitations of the two main methods, autologous flap procedures and implant procedures, have driven a search for new reconstructive techniques. Autologous tissue operations are highly invasive with a prolonged recovery and risk for major donor site morbidity. Implant reconstruction avoids a donor wound, but is fraught with problems of scar contracture (20%), displacement (5%), rupture (5% in 5 years), and an overall reoperation rate of 50%. Additionally, both these therapies are poorly suited for the significant number of women with deformities after lumpectomy.

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Grant of the Month | March 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | March 1, 2015
PI Anthony Delitto

Title Targeted interventions to Prevent Chronic Low Back Pain in High Risk Patients: A Multi-Site Pragmatic RCT

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Grant of the Month | February 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | February 1, 2015
PI Michael Steketee

Title Applying Extracellular Matrix Technology to Neuroprotect and to Repair Injured Retina and Optic Nerve Extension

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Grant of the Month | January 2015

By The McGowan Institute For Regenerative Medicine | Grant of the Month, Grant of the Month 2015 | January 1, 2015
PI Stephen Badylak, and J. Peter Rubin

Title Musculotendinous Tissue Unit Repair and Reinforcement (MTURR) with the Use of Biologic Scaffolds for Patients Suffering from Severe Skeletal Muscle Injury

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