Human Adipose-Derived Stromal Cells Accelerate Diabetic Wound Healing: Impact of Cell Formulation and Delivery

Human adipose-derived stromal cells (ASCs) have been shown to possess therapeutic potential in a variety of settings, including cutaneous wound healing; however, it is unknown whether the regenerative properties of this cell type can be applied to diabetic ulcers. ASCs collected from elective surgic...

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Veröffentlicht in:Tissue engineering. Part A 2010-05, Vol.16 (5), p.1595-1606
Hauptverfasser: Amos, Peter J., Kapur, Sahil K., Stapor, Peter C., Shang, Hulan, Bekiranov, Stefan, Khurgel, Moshe, Rodeheaver, George T., Peirce, Shayn M., Katz, Adam J.
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container_end_page 1606
container_issue 5
container_start_page 1595
container_title Tissue engineering. Part A
container_volume 16
creator Amos, Peter J.
Kapur, Sahil K.
Stapor, Peter C.
Shang, Hulan
Bekiranov, Stefan
Khurgel, Moshe
Rodeheaver, George T.
Peirce, Shayn M.
Katz, Adam J.
description Human adipose-derived stromal cells (ASCs) have been shown to possess therapeutic potential in a variety of settings, including cutaneous wound healing; however, it is unknown whether the regenerative properties of this cell type can be applied to diabetic ulcers. ASCs collected from elective surgical procedures were used to treat full-thickness dermal wounds in leptin receptor-deficient ( db/db ) mice. Cells were delivered either as multicellular aggregates or as cell suspensions to determine the impact of cell formulation and delivery methods on biological activity and in vivo therapeutic effect. After treatment with ASCs that were formulated as multicellular aggregates, diabetic wounds experienced a significant increase in the rate of wound closure compared to wounds treated with an equal number of ASCs delivered in suspension. Analysis of culture supernatant and gene arrays indicated that ASCs formulated as three-dimensional aggregates produce significantly more extracellular matrix proteins (e.g., tenascin C, collagen VI α3, and fibronectin) and secreted soluble factors (e.g., hepatocyte growth factor, matrix metalloproteinase-2, and matrix metalloproteinase-14) compared to monolayer culture. From these results, it is clear that cell culture, formulation, and delivery method have a large impact on the in vitro and in vivo biology of ASCs.
doi_str_mv 10.1089/ten.tea.2009.0616
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subjects Adipocytes - cytology
Adipocytes - metabolism
Adipocytes - transplantation
Adipose Tissue - cytology
Animals
Cell Aggregation
Cell Culture Techniques
Connective tissue cells
Diabetes Mellitus - pathology
Drug Delivery Systems - methods
Enzyme-Linked Immunosorbent Assay
Extracellular Matrix Proteins - chemistry
Extracellular Matrix Proteins - metabolism
Gene Expression Regulation
Health aspects
Humans
Leptin
Male
Mass Spectrometry
Mice
Original
Original Articles
Physiological aspects
RNA, Messenger - genetics
RNA, Messenger - metabolism
Spheroids, Cellular - cytology
Stromal Cells - cytology
Stromal Cells - metabolism
Stromal Cells - transplantation
Time Factors
Wound Healing
title Human Adipose-Derived Stromal Cells Accelerate Diabetic Wound Healing: Impact of Cell Formulation and Delivery
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