Robert C Rennert, MD's portrait
Robert C Rennert, MD
Neurosurgical Resident
University of California, San Diego Medical Center
San Diego, CA

About Robert C Rennert, MD

Dr. Robert Rennert is a Neurosurgical resident at the University of California San Diego Medical Center in San Diego. Dr. Rennert received his Medical Degree from The Ohio State University (OSU) College of Medicine in Columbus.

Throughout his academic career, Dr. Rennert has received many prestigious awards, including the Hagey Family Program in Pediatric Stem Cell Research and Regenerative Medicine for his study of adult mesenchymal stem cell therapies; Alpha Omega Alpha Honor Medical Society for academic excellence; and, Landacre Honor Society (OSU) in recognition of his excellence in research.

His medical work experience includes several research positions, including Stanford University's Department of Surgery, where Dr. Rennert's work involved successfully writing the AFIRM (Armed Forces Institute of Regenerative Medicine) II-Wounded Warriors grant, which received independent funding from the American Heart Association.

Dr. Rennert is active in research and publishing study findings in peer reviewed publications. Furthermore, he has presented his research at many prestigious medical and spine-related societies.

Publications

Peer-Reviewed Publications
*Authors contributed equally to this work

Rennert RC*, Sorkin M*, Wong VW, Gurtner GC. Organ-level tissue engineering using bioreactor systems and stem cells: implications for transplant surgery. Curr Stem Cell Res Ther. 2014 Jan; 9(1):2-9.

Rennert RC*, Rustad K*, Harwood M, Sorkin M, Al-Ahmad A, Zei P, Hsia H, Beygui RE, Norton L, Levi K, Wang P, Gurtner GC. A Histological and Mechanical Analysis of the Cardiac Lead-Tissue Interface: Implications for Lead Extraction. Acta Biomater. 2014 Jan 13; [Epub Ahead of Print].

Suga H*, Rennert RC*, Rodrigues M, Sorkin M, Glotzbach J, Januszyk M, Fujiwara T, Longaker MT, Gurtner GC. Tracking the elusive fibrocyte: Identification and characterization of collagen producing hematopoietic lineage cells during murine wound healing. Stem Cells. 2014 Jan 20; [Epub Ahead of Print].

Hu M, Rennert R, McArdle A, Chung MT, Longaker MT, Lorenz HP. The Role of Stem Cells During Scarless Wound Healing. Adv Wound Care. [Accepted for Publication].

Maan ZN, Januszyk M, Rennert RC, Duscher D, Rodrigues M, Fujiwara T, Ho N, Whitmore A, Hu MS, Longaker MT, Gurtner GC. Non-contact low frequency ultrasound therapy enhances neovascularization and wound healing in diabetic mice. Plast Reconstr Surg. [Accepted for Publication]. 

Hong WX, Hu MS, Esquivel M, Liang GY, Rennert RC, McCardle A, Paik KJ, Duscher D, Gurtner GC, Lorenz P, Longaker MT. The Role of Hypoxia-Inducible Factor in Wound Healing. Adv Wound Care. [Accepted for Publication].

Duscher D, Maan ZN, Wong VW, Rennert RC, Januszyk M, Rodrigues M, Hu M, Whitmore AJ, Whittam AJ, Longaker MT, Gurter GC. Mechanotransduction and Fibrosis. J Biomech. [Accepted for Publication].

Koob TJ, Lim JL, Massee M, Zabek N, Rennert RC, Gurtner G, Li WL. Angiogenic properties of dehydrated human amnion/chorion allografts: therapeutic potential for soft tissue repair and regeneration. Vasc Cell. [Accepted for Publication]. 

Hu MS, Maan ZN, Wu JC, Rennert RC, Hong WX, Lai TS, Cheung AT, Walmsley GG, Chung MT, McArdle A, Longaker MT, Lorenz P. Tissue Engineering and Regenerative Repair in Wound Healing. Ann Biomed Eng. [Accepted for Publication].

Januszyk M, Sorkin M, Glotzbach JP, Vial IN, Maan Z, Rennert RC, Duscher D, Thangarajah H, Longaker MT, Butte AJ, Gurtner GC. Diabetes Irreversibly Depletes Bone Marrow-Derived Mesenchymal Stem Cell Subpopulations. Diabetes. [Accepted for Publication].

Rennert RC*, Sorkin M*, Januszyk M, Duscher D, Kosaraju R, Chung MT, Radiya-Dixit A, Raghvendra S, Maan Z, Hu MS, Rajadas J, Rodrigues M, Gurtner GC. Diabetes impairs the angiogenic potential of adipose derived stem cells by selectively depleting cellular subpopulations. Stem Cell Res Ther. [Submitted for Initial Review].

Hu MS, Hong WX, Rennert RC, Walmsley GG, Mann Z, Duscher D, McArdle, A, Zimmerman A, Chung MT, Lorenz HP, Gurtner GC, Longaker MT. Murine Dorsal Ischemic Flap Model. J Vis Exp. [Submitted for Initial Review].

Maan ZN*, Rennert RC*, Koob TJ, Li WW, Gurtner GC. Cell Recruitment by Amnion Chorion Graft Promotes Neovascularization. Plas Reconst Surg. [Submitted for Initial Review].

Maan ZN, Rodrigues M, Rennert RC, Whitmore A, Duscher D, Januszyk M, Hu M, Davis CR, Whittam AJ, Gurtner GC. Understanding Regulatory Pathways of Neovascularization in Diabetes. Expert Rev Endocrin Metab. [Submitted for Initial Review].

Garg RK*, Rennert RC*, Duscher D*, Sorkin M, Kosaraju R, Auerbach LJ, Lennon J, Chung MT, Paik K, Nimpf J, Rajadas J, Longaker MT, Gurtner GC. Capillary Force Seeding of Hydrogels for Adipose Derived Stem Cell Delivery in Wounds. Stem Cells Transl Med. [Revisions Requested].

Wong VW, Sorkin M, Rustad KC, Akaishi S, Levi K, Nelson ER, Tran M, Rennert R, Liu W, Longaker MT, Gurtner GC. Loss of keratinocyte focal adhesion kinase stimulates dermal proteolysis through upregulation of MMP9 in wound healing. Ann Surg. [Accepted for Publication].

Rennert RC, Rodrigues M, Wong VW, Duscher D, Hu M, Maan Z, Sorkin M, Gurtner GC, Longaker MT. Biological Therapies for the Treatment of Cutaneous Wounds: Phase III and Launched Therapies. Expert Opin Biol Ther. 2013 Nov; 13(11):1523-41.

Koob TJ, Rennert R, Zabek N, Massee M, Temenoff JS, Gurtner GC. Biological properties of dehydrated human amnion/chorion composite graft: implications for chronic wound healing. Int Wound J. 2013 Oct; 10(5):493-500.

Chung MT, Zimmerman AS, Paik KJ, Morrison SD, Hyun JS, Lo DD, McArdle A, Montoro DT, Walmsley G, Senarath-Yapa K, Sorkin M, Rennert R, Chen HH, Chung AS, Vistnes D, Gurtner GC, Longaker MT, Wan DC. Isolation of Human Adipose-Derived Stromal Cells Using Laser-Assisted Liposuction and Their Therapeutic Potential in Regenerative Medicine. Stem Cells Transl Med. 2013 Oct; 2(10):808-17.

Rennert RC, Sorkin M, Garg RK, Januszyk M, Gurtner GC. Cellular Response to a Novel Fetal Acellular Collagen Matrix: Implications for Tissue Regeneration. Int J of Biomater. 2013; 2013:10.1155/2013/527957.

Chung MT, Liu C, Hyun JS, Lo DD, Montoro DT, Hasegawa M, Li S, Sorkin M, Rennert R, Keeney M, Yang F, Quarto N, Longaker M, Wan DC. CD90 (Thy-1) Positive Selection Enhances Osteogenic Capacity of Human Adipose-Derived Stromal Cells. Tissue Eng Part A. 2013 Apr; 19(7-8):989-97

Rennert RC, Sorkin M, Garg RK, Gurtner GC. Stem cell recruitment after injury: lessons for regenerative medicine. Regen Med. 2012 Nov; 7(6):833-50.

Brem H, Maggi J, Nierman D, Rolnitzky L, Bell D, Rennert R, Golinko M, Yan A, Lyder C, Vladeck B. High cost of stage IV pressure ulcers. Am J Surg; 2010 Oct; 200(4):473-7.

Golinko MS, Clark S, Rennert R, Flattau A, Boulton AJ, Brem H. Wound emergencies: the importance of assessment, documentation, and early treatment using a wound electronic medical record. Ostomy Wound Manage. 2009 May; 55(5):54-61.

Rennert R, Golinko M, Yan A, Flattau A, Tomic-Canic M, Brem H. Developing and evaluating outcomes of an evidence-based protocol for the treatment of osteomyelitis in Stage IV pressure ulcers: a literature and wound electronic medical record database review. Ostomy Wound Manage. 2009 March; 55(3):42-53

Rennert R, Golinko M, Kaplan D, Flattau A, Brem H. Standardization of wound photography using the Wound Electronic Medical Record. Adv Skin Wound Care. 2009 Jan; 22(1):32-38.

Presentations
Rennert RC, Sorkin M, Kosaraju R, Chung MT, Lennon J, Radiya A, Raghvendra S, Januszyk M, Gurtner GC. Diabetic Adipose Derived Stem Cells Display Functional Impairments in the Setting of a Regenerative Biomimetic Hydrogel Scaffold [podium]. In: 88th Meeting of the ASPS, 2013, October 11-15th; San Diego, CA.

Rennert RC, Sorkin M, Januszyk M, Kosaraju R, Chung MT, Duscher D, Lennon J, Radiya R, Raghvendra S, Gurtner GC. Diabetes Impairs the Neovascular Potential of Adipose Derived Stem Cells and Selectively Depletes Cellular Sub-Populations [podium]. In: 15th Annual Emile F. Holman Lectureship and Resident Day, 2013, June 7th; Stanford, CA.

Rennert RC, Rustad K, Harwood M, Sorkin M, Al-Ahmad A, Zei P, Hsia H, Beygui RE, Levi K, Wang P, Gurtner GC. Characterization of the Fibrotic Response to Implanted Cardiac Leads: Myofibroblast Proliferation and Implications for Lead Extraction [poster]. In: 6th Annual Stanford Plastic Surgery Research Symposium, 2013, April 9th; Stanford, CA.

Rennert RC, Sorkin M, Kosaraju R, Chung MT, Lennon J, Radiya A, Raghvendra S, Januszyk M, Gurtner GC. Diabetic Adipose Derived Stem Cells Display Functional Impairments in the Setting of a Regenerative Biomimetic Hydrogel Scaffold [podium]. In: 6th Annual Stanford Plastic Surgery Research Symposium, 2013, April 9th; Stanford, CA.

Rennert RC, Sorkin M, Garg RK, Januszyk M, Gurtner GC. A Novel Fetal ECM Provides A Niche for Stem Cell Recruitment and Tissue Regeneration [podium]. In: 58th Annual Meeting of the PSRC, 2013, May 2-4; Santa Monica, CA.

Rennert RC, Sorkin M, Garg RK, Januszyk M, Gurtner GC. Characterization of Inflammatory and Stem Cell Recruitment Into a Novel Fetal Acellular Collagen Matrix to Facilitate Tissue Regeneration [podium]. In: 8th Annual Academic Surgical Congress, 2013, February 5-7; New Orleans, LA.

Rennert RC, Sorkin M, Januszyk M, Chung MT, Longaker MT, Gurtner GC. Single Cell Transcriptional Analysis Identifies A Functionally Distinct Subpopulation Of Human Adipose Derived Stem Cells [podium]. In: 8th Annual Academic Surgical Congress, 2013, February 5-7; New Orleans, LA.

Rennert RC, Gurtner GC. Characterizing Heterogeneity Within Stem Cell Populations: Utility of Microfluidic-based Single Cell Transcriptional Analysis [podium]. In: Stanford Radiation and Cancer Biology Seminar Series, 2012, November 27th; Stanford, CA.

Rennert RC, Sorkin M, Morrison S, Garg RK, Longaker MT, Gurtner GC. Minicircle DNA Engineered Free Flaps as an Efficient Transgene Expression Platform [podium]. In: 57th Annual Meeting of the PSRC, 2012, June 14-17; Ann Arbor, Michigan.

Rennert RC, Sorkin M, Morrison S, Garg RK, Longaker MT, Gurtner GC. Systemic Gene Replacement Therapy Using Adipose Tissue Flaps Engineered with Minicircle DNA [podium]. In: 14th Annual Emile F. Holman Lectureship and Resident Day, 2012, June 8th; Stanford, CA.

Rennert R, Sorkin M, Morrison S, Tran P, Evers L, Longaker M, Gurtner GC. Vascularized Adipose Tissue Flaps Engineered With Minicircle DNA Provide A Platform For Sustainable Transgene Expression [podium]. In: 7th Annual Academic Surgical Congress, 2012, February 14-16; Las Vegas NV.

Rennert R, Kigerl K, Popovich P. Characterization of Macrophage Activation State in the Spinal Cords of Mice Displaying Improved Outcomes Following Spinal Cord Injury [poster]. In: 9th Annual OSUMC Trainee Research Day, 2009, April 2; Columbus, OH.

Kapil-Pair N, Rennert R, Golinko M, Kaplan D, Brem H. Preventing Stage IV Pressure Ulcers Utilizing a Simultaneous Treatment Protocol [podium]. In: Annual Meeting of the Wound Healing Society, 2007, April 28 – May 1; Tampa, FL.

Peer-Reviewed Journal Abstracts
Maan ZN, Rennert RC, Duscher D, Chung MT, Paik K, Fujiwara T, Rodrigues M, Ho N, Perez M, Sorkin M, Hu M, Longaker MT, Gurtner GC. SDF-1 Mediated Endothelial Cell-Stromal Interactions Regulate the Adipose Niche Microenvironment [abstract]. In: 9th Annual Academic Surgical Congress, 2014, February 4-6; San Diego, CA. J Surg Res; 186(2), p596.

Januszyk M, Rennert RC, Sorkin M, Khatri P, Butte AJ, Gurtner GC. Integration of Public Microarray Data with Single Cell Gene Expression Profiling Facilitates Identification of Transcriptionally-Defined Subpopulations in Small Cell Lung Cancer [abstract]. In: 9th Annual Academic Surgical Congress, 2014, February 4-6; San Diego, CA. J Surg Res; 186(2), p558-59.

Maan ZN, Ho N, Rennert RC, Duscher D, Sorkin M, Rodrigues M, Chen JS, Vial N, Perez M, Findlay M, Gurtner GC. Endothelial Cell Production of SDF-1 Critically Regulates Cytokine Expression and Neovascularization during Wound Healing [abstract]. In: 9th Annual Academic Surgical Congress, 2014, February 4-6; San Diego, CA. J Surg Res; 186(2), p596-97.

Walmsley GG, Hu MS, Weiskopf K, Rennert RC, McArdle A, Chung MT, Schnorr PJ, Rajadas J, Gurtner GC, Weissman IL, Lorenz HP, Longaker MT. Macrophage Transplantation Improves Cutaneous Wound Healing in a Humanized Mouse Model [abstract]. In: 9th Annual Academic Surgical Congress, 2014, February 4-6; San Diego, CA.  J Surg Res; 186(2), p648.

Esquivel M, Hu MS, Hong W, Rennert RC, Chung MT, Zimmerman AS, Rajadas J, Duscher D, McArdle A, Walmsley GG, Gurtner GC, Longaker MT, Lorenz HP. Comparison of Therapeutic Adipose-Derived Stem Cell Delivery Methods for the Treatment of Cutaneous Wounds [abstract]. In: 9th Annual Academic Surgical Congress, 2014, February 4-6; San Diego, CA. J Surg Res; 186(2), p664-65.

Hu MS, Zimmerman AS, Chung MT, McArdle MB, Rennert RC, Lai TS, Gurtner GC, Giaccia AJ, Lorenz PH, Longaker MT. In Vivo Tumor Inhibition by Full Thickness Wounds [abstract]. In: American College of Surgeons Annual Meeting, 2013, October 6-10; Washington, DC. J Am Coll Surg; 217(3), pS95.

Garg R, Rennert RC, Sorkin M, Auerbach LJ, Lennon J, Longaker MT, Gurtner GC. Adipose-Derived Mesenchymal Stem Cell-Seeded Hydrogels Accelerate Closure of Murine Wounds [abstract]. In: 58th Annual Meeting of the PSRC, 2013, May 2-4; Santa Monica, CA. Plast Reconstr Surg; 131(5S), p136.

McArdle A, Chung, MT, Lo DD, Hyun JS, Montoro DT, Paik KJ, Walmsley G, Senarath-Yapa K, Zimmerman AS, Sorkin M, Rennert R, Hu M, Liu C, Chen HH, Chung AS, Longaker MT, Wan DC. Bone Morphogenetic Protein Receptor IB as a Marker for Enrichment of Osteogenic Precursors [abstract]. In: 58th Annual Meeting of the PSRC, 2013, May 2-4; Santa Monica, CA. Plast Reconstr Surg; 131(5S), p132.

Chung MT, Morrison SD, Liu C, Zimmerman AS, Paik KJ, Lo DD, McArdle A, Hyun, JS, McArdle A, Walmsley G, Senarath-Yapa K, Montoro DT, Sorkin M, Rennert R, Hu M, Chen HH, Chung HS, Longaker MT, Wan DC. Enhanced Adipose-Derived Stromal Cell Osteogenesis Through Surface Marker Enrichment and BMP Modulation [abstract]. In: 58th Annual Meeting of the PSRC, 2013, May 2-4; Santa Monica, CA. Plast Reconstr Surg; 131(5S), p131.

Paik KJ, Chung MT, Hu MS, Lo DD, McArdle A, Hyun JS, Montoro DT, Walmsley G, Senarath-Yapa K, Zimmerman AS, Sorkin M, Rennert R, Liu C, Chen HH, Chung AS, Longaker MT, Wan DC. Cell-Assisted Lipotransfer with Bone Morphogenetic Protein Receptor IA+ Adipose-Derived Stromal Cell Subpopulations [abstract]. In: 58th Annual Meeting of the PSRC, 2013, May 2-4; Santa Monica, CA. Plast Reconstr Surg; 131(5S), p129.

Garg RK, Auerbach LJ, Sorkin M, Rennert RC, Longaker MT, Gurtner GC. A Biomimetic Collagen-Pullulan Hydrogel Enhances Stemness and Wound Healing Potential of Adipose-Derived Mesenchymal Stem Cells [abstract]. In: American College of Surgeons 2012 Clinical Congress, September 30- October 4; Chicago, IL. J Am Coll Surg; 215(3), pS96.

Junuszyk M, Sorkin M, Rennert RC, Gurtner GC. Integrating high-resolution single cell gene expression data with a public microarray repository permits automated functional profiling of progenitor cell populations [abstract]. In: American College of Surgeons 2012 Clinical Congress, September 30- October 4; Chicago, IL. J Am Coll Surg; 215(3), pS95.

Garg RK, Wong VW, Akaishi S, Rennert RC, Liu WC, Rustad KC, Longaker MT, Gurtner GC. Epidermal Focal Adhesion Kinase Critically Regulates Tensile Strength in a Murine Model of Chronic Wound Repair [abstract]. In: 57th Annual Meeting of the PSRC, 2012, June 14-17; Ann Arbor, Michigan. Plast Reconstr Surg; 130(1S), p13.

Wong VW, Garg RK, Januszyk M, Rennert RC, Akaishi S, Longaker MT, Gurtner GC. Epithelial Tension Controls Dermal Proteolysis Via Keratinocyte Focal Adhesion Kinase-Regulated Pathways [abstract]. In: 7th Annual Academic Surgical Congress, 2012, February 14-16; Las Vegas NV. J Surg Res; 172(2), p327-328.

Stojadinovic O, Brem H, Vukelic S, Pastar I, Carucci J, Golinko M, Martinez L, Rennert R, Tomic-Canic M. Deregulation of Keratinocyte Differentiation and Activation Pathways in Chronic Wounds [abstract]. In: Proceedings of the Annual Meeting of the Wound Healing Society, 2007, April 28 – May 1; Tampa, FL. Wound Repair Regen; 15(2), pA26.

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