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Mamsen FP, Munthe-Fog L, Kring MKM, Duscher D, Taudorf M, Katz AJ, Kølle ST. Differences of embedding adipose-derived stromal cells in natural and synthetic scaffolds for dermal and subcutaneous delivery. Stem Cell Res Ther. 2021 Jan 19; 12(1):68.
PMID: 33468240.
Citations:
-
Jones VM, Suarez-Martinez AD, Hodges NA, Murfee WL, Llull R, Katz AJ. A clinical perspective on adipose-derived cell therapy for enhancing microvascular health and function: Implications and applications for reconstructive surgery. Microcirculation. 2021 04; 28(3):e12672.
PMID: 33174272.
Citations:
-
Kølle ST, Duscher D, Taudorf M, Fischer-Nielsen A, Svalgaard JD, Munthe-Fog L, Jønsson B, Selvig PB, Mamsen FP, Katz AJ. Ex vivo-expanded autologous adipose tissue-derived stromal cells ensure enhanced fat graft retention in breast augmentation: A randomized controlled clinical trial. Stem Cells Transl Med. 2020 11; 9(11):1277-1286.
PMID: 32639099.
Citations:
-
Brown JC, Shang H, Yang N, Pierson J, Ratliff CR, Prince N, Roney N, Chan R, Hatem V, Gittleman H, Barnholtz-Sloan JS, Vincek V, Katz AJ. Autologous Fat Transfer for Scar Prevention and Remodeling: A Randomized, Blinded, Placebo-controlled Trial. Plast Reconstr Surg Glob Open. 2020 May; 8(5):e2830.
PMID: 33154872.
Citations:
-
Azimi MS, Motherwell JM, Dutreil M, Fishel RL, Nice M, Hodges NA, Bunnell BA, Katz A, Murfee WL. A novel tissue culture model for evaluating the effect of aging on stem cell fate in adult microvascular networks. Geroscience. 2020 04; 42(2):515-526.
PMID: 32206968.
Citations:
-
Bukowska J, Alarcon Uquillas A, Wu X, Frazier T, Walendzik K, Vanek M, Gaupp D, Bunnell BA, Kosnik P, Mehrara B, Katz AJ, Gawronska-Kozak B, Gimble JM. Safety of Human Adipose Stromal Vascular Fraction Cells Isolated with a Closed System Device in an Immunocompetent Murine Pressure Ulcer Model. Stem Cells Dev. 2020 04 01; 29(7):452-461.
PMID: 31992147.
Citations:
-
Bukowska J, Alarcon Uquillas A, Wu X, Frazier T, Walendzik K, Vanek M, Gaupp D, Bunnell BA, Kosnik P, Mehrara B, Katz AJ, Gawronska-Kozak B, Gimble JM. Safety and Efficacy of Human Adipose-Derived Stromal/Stem Cell Therapy in an Immunocompetent Murine Pressure Ulcer Model. Stem Cells Dev. 2020 04 01; 29(7):440-451.
PMID: 31950878.
Citations:
-
Rodriguez RL, Frazier T, Bunnell BA, Mouton CA, March KL, Katz AJ, Rubin JP, Llull R, Sørensen JA, Gimble JM. Arguments for a Different Regulatory Categorization and Framework for Stromal Vascular Fraction. Stem Cells Dev. 2020 03 01; 29(5):257-262.
PMID: 31797749.
Citations:
-
Chopan M, White JA, Sayadi LR, Buchanan PJ, Katz AJ. Autogenous Fat Grafting to the Breast and Gluteal Regions: Safety Profile Including Risks and Complications. Plast Reconstr Surg. 2019 06; 143(6):1625-1632.
PMID: 31136476.
Citations:
-
Chopan M, Sayadi L, Buchanan PJ, Katz AJ, Mast BA. Historical Roots of Modern Plastic Surgery: A Cited Reference Analysis. Ann Plast Surg. 2019 06; 82(6S Suppl 5):S421-S426.
PMID: 30383584.
Citations:
-
Lilly CM, Cucchi E, Marshall N, Katz A. Battling Intensivist Burnout: A Role for Workload Management. Chest. 2019 11; 156(5):1001-1007.
PMID: 31102610.
Citations:
-
Brown, JC; Katz, AJ. Principles of Regenerative Medicine, Eds. Atala, Lanza, Mikos, Nerem. Stem Cells Derived from Fat. 2019.
-
Ehanire, T., and Katz, AJ. Tissue Engineering and Regeneration: Cell Engineering and Regeneration, Eds. Heinz Redl, Jeff Gimble, Darja Marolt, Richard Oreffo and Susanne Wolbank. Springer. Challenges and Status of Adipose Cell Therapies: Translation and Commercialization. 2019.
-
Herly M, Ørholt M, Larsen A, Pipper CB, Bredgaard R, Gramkow CS, Katz AJ, Drzewiecki KT, Vester-Glowinski PV. Efficacy of breast reconstruction with fat grafting: A systematic review and meta-analysis. J Plast Reconstr Aesthet Surg. 2018 Dec; 71(12):1740-1750.
PMID: 30245019.
Citations:
-
Timothy J. Stoddard, Adam J. Katz;. Creativity in Health Care Students and Providers: A Subjective and Objective Analysis. Journal of the American College of Surgeons. 2018; 227(4):e50.
-
Fredman R, Katz AJ, Hultman CS. Fat Grafting for Burn, Traumatic, and Surgical Scars. Clin Plast Surg. 2017 Oct; 44(4):781-791.
PMID: 28888303.
Citations:
-
Spiguel L, Shaw C, Katz A, Guo L, Chen HC, Lee BT, Singhal D. Fluorescein Isothiocyanate: A Novel Application for Lymphatic Surgery. Ann Plast Surg. 2017 Jun; 78(6S Suppl 5):S296-S298.
PMID: 28328630.
Citations:
-
Buchanan PJ, Katz AJ. Discussion: A Comprehensive In Vitro Comparison of Preparation Techniques for Fat Grafting. Plast Reconstr Surg. 2017 03; 139(3):683e-684e.
PMID: 28234836.
Citations:
-
Brown JC, Shang H, Li Y, Yang N, Patel N, Katz AJ. Isolation of Adipose-Derived Stromal Vascular Fraction Cells Using a Novel Point-of-Care Device: Cell Characterization and Review of the Literature. Tissue Eng Part C Methods. 2017 03; 23(3):125-135.
PMID: 28177263.
Citations:
-
Pachón-Peña G, Donnelly C, Ruiz-Cañada C, Katz A, Fernández-Veledo S, Vendrell J, Sackstein R. A Glycovariant of Human CD44 is Characteristically Expressed on Human Mesenchymal Stem Cells. Stem Cells. 2017 04; 35(4):1080-1092.
PMID: 27888602.
Citations:
-
Fredman, R., Katz, AJ., and Hultman, CS. Fat Grafting for Burn, Traumatic, and Surgical Scars, Clin Plast Surg. 2017; 781-791.
-
James C Brown, Hulan Shang, Ning Yang, Justine Pierson, Catherine Ratliffe, Adam Katz A.J. Plastic and Reconstructive Surgery Global Open. Qualitative and Quantitative Analysis of Autologous Fat Grafting: A Randomized Controlled Trial. 2017; 5(4).
-
Zhang Y, Xie C, Wang H, Foss RM, Clare M, George EV, Li S, Katz A, Cheng H, Ding Y, Tang D, Reeves WH, Yang LJ. Irisin exerts dual effects on browning and adipogenesis of human white adipocytes. Am J Physiol Endocrinol Metab. 2016 08 01; 311(2):E530-41.
PMID: 27436609.
Citations:
-
Brown, J.C. and Katz, A.J. Fat Injection. Chapter 11: The Evolution of Adipose Biology and Regenerative Medicine. 2016.
-
Dos Anjos S, Matas-Palau A, Mercader J, Katz AJ, Llull R. Reproducible Volume Restoration and Efficient Long-term Volume Retention after Point-of-care Standardized Cell-enhanced Fat Grafting in Breast Surgery. Plast Reconstr Surg Glob Open. 2015 Oct; 3(10):e547.
PMID: 26579353.
Citations:
-
Strong AL, Bowles AC, MacCrimmon CP, Frazier TP, Lee SJ, Wu X, Katz AJ, Gawronska-Kozak B, Bunnell BA, Gimble JM. Adipose stromal cells repair pressure ulcers in both young and elderly mice: potential role of adipogenesis in skin repair. Stem Cells Transl Med. 2015 Jun; 4(6):632-42.
PMID: 25900728.
Citations:
-
Strong AL, Bowles AC, MacCrimmon CP, Lee SJ, Frazier TP, Katz AJ, Gawronska-Kozak B, Bunnell BA, Gimble JM. Characterization of a Murine Pressure Ulcer Model to Assess Efficacy of Adipose-derived Stromal Cells. Plast Reconstr Surg Glob Open. 2015 Mar; 3(3):e334.
PMID: 25878945.
Citations:
-
Kapur SK, Dos-Anjos Vilaboa S, Llull R, Katz AJ. Adipose tissue and stem/progenitor cells: discovery and development. Clin Plast Surg. 2015 Apr; 42(2):155-67.
PMID: 25827560.
Citations:
-
Banauch GI, Katz A, Cucchi E. A 39-year-old woman with palpitations and dyspnea. Chest. 2015 Apr; 147(4):e137-e139.
PMID: 25848956.
Citations:
-
Sweeney WM, Cederna PS, Losee JE, Lee WPA, Katz AJ, Rubin JP, Gosain AK. The Academic Scholar Award of the American Association of Plastic Surgeons: the first 20 years. Plast Reconstr Surg. 2015 Feb; 135(2):438e-444e.
PMID: 25626829.
Citations:
-
Qi, Y., Rathinasabapathy, T., Zhang, H.J., Shang, H., Katz, A.J., Katovich, M., Raizada, M., and Pepine, C. Journal of Hypertension. Dysfunctional Adipose Stem Cell is linked to obesity, elevated inflammatory cytokines and resistant hypertension. 2015; 33:90.
-
Agrawal H, Shang H, Sattah AP, Yang N, Peirce SM, Katz AJ. Human adipose-derived stromal/stem cells demonstrate short-lived persistence after implantation in both an immunocompetent and an immunocompromised murine model. Stem Cell Res Ther. 2014 Dec 18; 5(6):142.
PMID: 25523792.
Citations:
-
Yang X, Shang H, Katz A, Li X. A modified aggregate culture for chondrogenesis of human adipose-derived stem cells genetically modified with growth and differentiation factor 5. Biores Open Access. 2013 Aug; 2(4):258-65.
PMID: 23914332.
Citations:
-
Kumar M, Allison DF, Baranova NN, Wamsley JJ, Katz AJ, Bekiranov S, Jones DR, Mayo MW. NF-?B regulates mesenchymal transition for the induction of non-small cell lung cancer initiating cells. PLoS One. 2013; 8(7):e68597.
PMID: 23935876.
Citations:
-
Kapur SK, Katz AJ. Review of the adipose derived stem cell secretome. Biochimie. 2013 Dec; 95(12):2222-8.
PMID: 23770442.
Citations:
-
Mendel TA, Clabough EB, Kao DS, Demidova-Rice TN, Durham JT, Zotter BC, Seaman SA, Cronk SM, Rakoczy EP, Katz AJ, Herman IM, Peirce SM, Yates PA. Pericytes derived from adipose-derived stem cells protect against retinal vasculopathy. PLoS One. 2013; 8(5):e65691.
PMID: 23741506.
Citations:
-
Bourin P, Bunnell BA, Casteilla L, Dominici M, Katz AJ, March KL, Redl H, Rubin JP, Yoshimura K, Gimble JM. Stromal cells from the adipose tissue-derived stromal vascular fraction and culture expanded adipose tissue-derived stromal/stem cells: a joint statement of the International Federation for Adipose Therapeutics and Science (IFATS) and the International Society for Cellular Therapy (ISCT). Cytotherapy. 2013 Jun; 15(6):641-8.
PMID: 23570660.
Citations:
-
Shen FH, Werner BC, Liang H, Shang H, Yang N, Li X, Shimer AL, Balian G, Katz AJ. Implications of adipose-derived stromal cells in a 3D culture system for osteogenic differentiation: an in vitro and in vivo investigation. Spine J. 2013 Jan; 13(1):32-43.
PMID: 23384881.
Citations:
-
Tannan S, and Katz AJ. Sara D. Rynders and Jennifer A. Hart, Editors: Elsevier Saunders. Wound Care. Chapter 12, In: Orthopaedics for Physicians Assistants. 2013.
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Capito AE, Tholpady SS, Agrawal H, Drake DB, Katz AJ. Evaluation of host tissue integration, revascularization, and cellular infiltration within various dermal substrates. Ann Plast Surg. 2012 May; 68(5):495-500.
PMID: 22531405.
Citations:
-
Kapur SK, Wang X, Shang H, Yun S, Li X, Feng G, Khurgel M, Katz AJ. Human adipose stem cells maintain proliferative, synthetic and multipotential properties when suspension cultured as self-assembling spheroids. Biofabrication. 2012 Jun; 4(2):025004.
PMID: 22522924.
Citations:
-
Katz, A.J., and Mericli, A.F. Anthony Atala and Robert Lanza, Editors; Elsevier, San Diego, CA. Stem Cells Derived from Fat – An Update. Chapter 46, In: Handbook of Stem Cells. 2012.
-
MacIsaac ZM, Shang H, Agrawal H, Yang N, Parker A, Katz AJ. Long-term in-vivo tumorigenic assessment of human culture-expanded adipose stromal/stem cells. Exp Cell Res. 2012 Feb 15; 318(4):416-23.
PMID: 22185824.
Citations:
-
Amos PJ, Mulvey CL, Seaman SA, Walpole J, Degen KE, Shang H, Katz AJ, Peirce SM. Hypoxic culture and in vivo inflammatory environments affect the assumption of pericyte characteristics by human adipose and bone marrow progenitor cells. Am J Physiol Cell Physiol. 2011 Dec; 301(6):C1378-88.
PMID: 21865587.
Citations:
-
Hanna KR, Katz AJ. An update on wound healing and the nervous system. Ann Plast Surg. 2011 Jul; 67(1):49-52.
PMID: 21629046.
Citations:
-
Hogan MV, Bagayoko N, James R, Starnes T, Katz A, Chhabra AB. Tissue engineering solutions for tendon repair. J Am Acad Orthop Surg. 2011 Mar; 19(3):134-42.
PMID: 21368094.
Citations:
-
Katz AJ. The real challenge of the translational process: management of expectations. Muscle Nerve. 2011 Feb; 43(2):155-6.
PMID: 21254076.
Citations:
-
Katz, A.J., and Mericli, A.F. In Principles of Regenerative Medicine, Anthony Atala and Robert Lanza, Editors; Elsevier, San Diego, CA. Stem Cells Derived from Fat. 2011.
-
Mohammadi R, Azizi S, Delirezh N, Hobbenaghi R, Amini K. Comparison of beneficial effects of undifferentiated cultured bone marrow stromal cells and omental adipose-derived nucleated cell fractions on sciatic nerve regeneration. Muscle Nerve. 2011 Feb; 43(2):157-63.
PMID: 21254077.
Citations:
-
Bailey AM, Kapur S, Katz AJ. Characterization of adipose-derived stem cells: an update. Curr Stem Cell Res Ther. 2010 Jun; 5(2):95-102.
PMID: 19941461.
Citations:
-
Amos PJ, Kapur SK, Stapor PC, Shang H, Bekiranov S, Khurgel M, Rodeheaver GT, Peirce SM, Katz AJ. Human adipose-derived stromal cells accelerate diabetic wound healing: impact of cell formulation and delivery. Tissue Eng Part A. 2010 May; 16(5):1595-606.
PMID: 20038211.
Citations:
-
Feng G, Yang X, Shang H, Marks IW, Shen FH, Katz A, Arlet V, Laurencin CT, Li X. Multipotential differentiation of human anulus fibrosus cells: an in vitro study. J Bone Joint Surg Am. 2010 Mar; 92(3):675-85.
PMID: 20194326.
Citations:
-
Bailey AM, Lawrence MB, Shang H, Katz AJ, Peirce SM. Agent-based model of therapeutic adipose-derived stromal cell trafficking during ischemia predicts ability to roll on P-selectin. PLoS Comput Biol. 2009 Feb; 5(2):e1000294.
PMID: 19247427.
Citations:
-
Tholpady SS, Ogle RC, Katz AJ. Adipose stem cells and solid organ transplantation. Curr Opin Organ Transplant. 2009 Feb; 14(1):51-5.
PMID: 19337147.
Citations:
-
Shang, H., and Katz, AJ. Plast Reconstr Surg. 3-Dimensional Adipogenesis of Human Adipose Stem Cells within a Self-generated ECM. 2009; 73.
-
Tholpady, S.T., Arnold, P.B., Morgan, R.F., Ogle, R.C., and Katz, A.J. Fat Injection: From Filling to Regeneration. Sydney R. Coleman and Riccardo F. Mazzola, Editors; Quality Medical Publishing, Inc., St. Louis, Missouri. Fat Grafting and Stem Cell Biology. 2009.
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Arnold, P.B., and Katz, A.J. In Autologous Fat Transfer: Art, Science, and Practice, Melvin A. Shiffman, Editor; Springer (Berlin). Tissue Processing Considerations for Autologous Fat Grafting. 2009.
-
Sefcik LS, Neal RA, Kaszuba SN, Parker AM, Katz AJ, Ogle RC, Botchwey EA. Collagen nanofibres are a biomimetic substrate for the serum-free osteogenic differentiation of human adipose stem cells. J Tissue Eng Regen Med. 2008 Jun; 2(4):210-20.
PMID: 18493910.
Citations:
-
Birchenough SA, Rodeheaver GT, Morgan RF, Peirce SM, Katz AJ. Topical poloxamer-188 improves blood flow following thermal injury in rat mesenteric microvasculature. Ann Plast Surg. 2008 May; 60(5):584-8.
PMID: 18434836.
Citations:
-
Amos PJ, Shang H, Bailey AM, Taylor A, Katz AJ, Peirce SM. IFATS collection: The role of human adipose-derived stromal cells in inflammatory microvascular remodeling and evidence of a perivascular phenotype. Stem Cells. 2008 Oct; 26(10):2682-90.
PMID: 18436860.
Citations:
-
Amos PJ, Bailey AM, Shang H, Katz AJ, Lawrence MB, Peirce SM. Functional binding of human adipose-derived stromal cells: effects of extraction method and hypoxia pretreatment. Ann Plast Surg. 2008 Apr; 60(4):437-44.
PMID: 18362576.
Citations:
-
Parker A, Katz A, Salopek L, Pineros-Fernandez A, Rodeheaver G. Quantitation of the Postoperative Vascular Response in Four Dorsal Bipedicle Flaps in the Rat. Wounds. 2007 Jul; 19(7):183-91.
PMID: 26110334.
Citations:
-
Gimble JM, Katz AJ, Bunnell BA. Adipose-derived stem cells for regenerative medicine. Circ Res. 2007 May 11; 100(9):1249-60.
PMID: 17495232.
Citations:
-
Parker A, Shang H, Khurgel M, Katz A. Low serum and serum-free culture of multipotential human adipose stem cells. Cytotherapy. 2007; 9(7):637-46.
PMID: 17917877.
Citations:
-
Ghosh S, Lu Y, Katz A, Hu Y, Li R. Tumor suppressor BRCA1 inhibits a breast cancer-associated promoter of the aromatase gene (CYP19) in human adipose stromal cells. Am J Physiol Endocrinol Metab. 2007 Jan; 292(1):E246-52.
PMID: 16940470.
Citations:
-
Parker AM, Katz AJ. Adipose-derived stem cells for the regeneration of damaged tissues. Expert Opin Biol Ther. 2006 Jun; 6(6):567-78.
PMID: 16706604.
Citations:
-
Parker, A.M., Rodeheaver, G., Salopeck, L., Shang, H., Khurgel, M., and Katz, A.J. Accelerated diabetic wound healing in a murine model with the application of multipotent human adipose derived stem cells. J Am Coll Surgeons. 2006.
-
Katz, A.J., Yang, Z., Shang, H., Chamberlain, A.T., Berr, S.S., Roy, R.J., Khurgel, M., Epstein, F.H., and French, B.A. Serial MRI assessment of human adipose-derived stem cells (hASCs) in a murine model of reperfused myocardial infarction. Adipocytes. 2006; 2:1-10.
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Tholpady SS, Llull R, Ogle RC, Rubin JP, Futrell JW, Katz AJ. Adipose tissue: stem cells and beyond. Clin Plast Surg. 2006 Jan; 33(1):55-62, vi.
PMID: 16427974.
Citations:
-
Hu Y, Ghosh S, Amleh A, Yue W, Lu Y, Katz A, Li R. Modulation of aromatase expression by BRCA1: a possible link to tissue-specific tumor suppression. Oncogene. 2005 Dec 15; 24(56):8343-8.
PMID: 16170371.
Citations:
-
Tholpady SS, Aojanepong C, Llull R, Jeong JH, Mason AC, Futrell JW, Ogle RC, Katz AJ. The cellular plasticity of human adipocytes. Ann Plast Surg. 2005 Jun; 54(6):651-6.
PMID: 15900154.
Citations:
-
Katz AJ, Tholpady A, Tholpady SS, Shang H, Ogle RC. Cell surface and transcriptional characterization of human adipose-derived adherent stromal (hADAS) cells. Stem Cells. 2005 Mar; 23(3):412-23.
PMID: 15749936.
Citations:
-
Okonkwo, D.O., Katz, A.J., Lee, K.S., and Jane, J.A. Repopulation of injured brain with human adipo-derived stem cells after traumatic brain injury. J Am Coll Surgeons, Surg Forum Suppl. 2005; 201:S47.
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Macrae JW, Tholpady SS, Katz AJ, Gampper TG, Drake DB, Ogle RC, Morgan RF. Human adipocyte viability testing: a new assay. Aesthet Surg J. 2003 Jul-Aug; 23(4):265-9.
PMID: 19336086.
Citations:
-
Tholpady SS, Katz AJ, Ogle RC. Mesenchymal stem cells from rat visceral fat exhibit multipotential differentiation in vitro. Anat Rec A Discov Mol Cell Evol Biol. 2003 May; 272(1):398-402.
PMID: 12704697.
Citations:
-
Balian, G., Anderson, D., Cui, Q., and Katz, A.J. Advances in Spinal Fusion: Clinical Applications of Basic Science, Molecular Biology, Biomechanics, and Engineering. Marcel Dekkler, Inc. Potential of mesenchymal cells as a graft for spinal fusions. 2003.
-
Ashjian PH, De Ugarte DA, Katz AJ, Hedrick MH. Lipoplasty: from body contouring to tissue engineering. Aesthet Surg J. 2002 Mar; 22(2):121-7.
PMID: 19331962.
Citations:
-
Katz, A.J. Plast Reconstr Surg. Rat extramedullary adipose tissue as a source of osteochondrogenic progenitor cells. 2002; 109:1042-43.
-
Ashjian, P.H., DeUgarte, D.A., Katz, A.J., and Hedrick, M.H. From body contouring to tissue engineering. Continuing Medical Education. Aesthetic Surgery Journal. Lipoplasty. 2002; 22:121-130.
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Zuk PA, Zhu M, Mizuno H, Huang J, Futrell JW, Katz AJ, Benhaim P, Lorenz HP, Hedrick MH. Multilineage cells from human adipose tissue: implications for cell-based therapies. Tissue Eng. 2001 Apr; 7(2):211-28.
PMID: 11304456.
Citations:
-
Katz AJ, Hedrick MH, Llull R, Futrell JW. A novel device for the simple and efficient refinement of liposuctioned tissue. Plast Reconstr Surg. 2001 Feb; 107(2):595-7.
PMID: 11214080.
Citations:
-
Katz, A.J. and Hedrick, M.H. Fat transplantation to fat engineering. Perspectives in Plastic Surgery 14. 2000.
-
Katz, A.J. Methods of Tissue Engineering, Academic Press. Isolation, culture and developmental manipulation of cells from adipose tissue. 2000.
-
Katz, A.J., Llull, R., Hedrick, M.H., and Futrell, J.W. Clin Plast Surg. Emerging approaches to the tissue engineering of fat. 1999; 26:587-603.
-
Tholpady, S.S., Llull, R., Ogle, R.C., Rubin, J.P., Futrell, J.W., and Katz, A.J. Clin Plast Surg. Adipose tissue: Stem cells and beyond.
-
Agrawal H. Tholpady SS. Capito AE. Drake DB. Katz AJ. Macrophage phenotypes correspond with remodeling outcomes of various acellular dermal matrices. Open Journal of Regenerative Medicine.
-
Kapur, SA, and Katz, AJ. M.A. Shiffman et al. (eds.), Stem Cells in Aesthetic Procedures, Chapter 12, Springer-Verlag Berlin Heidelberg. Multipotential Aspects of Adipose-Derived Stem Cells and Their Spheroids.