Na Eun Lee1, Sung Joo Kim2, Seung-Jib Yang3, Sung-Yeon Joo4, Hyojun Park5, Kyo Won Lee5, Heung-Mo Yang6, Jae Berm Park7. 1. Transplantation Research Center, Samsung Biomedical Research Institute, Samsung Medical Center, Seoul, Republic of Korea; Samsung Advanced Institute for Health Sciences & Technology, Graduate School, Department of Health Sciences & Technology, Sungkyunkwan University, Kyunggi, Republic of Korea; Stem Cell & Regenerative Medicine Institute, Samsung Medical Center, Seoul, Republic of Korea. 2. Transplantation Research Center, Samsung Biomedical Research Institute, Samsung Medical Center, Seoul, Republic of Korea; Samsung Advanced Institute for Health Sciences & Technology, Graduate School, Department of Health Sciences & Technology, Sungkyunkwan University, Kyunggi, Republic of Korea; Stem Cell & Regenerative Medicine Institute, Samsung Medical Center, Seoul, Republic of Korea; Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea. 3. Transplantation Research Center, Samsung Biomedical Research Institute, Samsung Medical Center, Seoul, Republic of Korea; Stem Cell & Regenerative Medicine Institute, Samsung Medical Center, Seoul, Republic of Korea. 4. Transplantation Research Center, Samsung Biomedical Research Institute, Samsung Medical Center, Seoul, Republic of Korea; Samsung Advanced Institute for Health Sciences & Technology, Graduate School, Department of Health Sciences & Technology, Sungkyunkwan University, Kyunggi, Republic of Korea. 5. Transplantation Research Center, Samsung Biomedical Research Institute, Samsung Medical Center, Seoul, Republic of Korea; Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea. 6. Transplantation Research Center, Samsung Biomedical Research Institute, Samsung Medical Center, Seoul, Republic of Korea; Stem Cell & Regenerative Medicine Institute, Samsung Medical Center, Seoul, Republic of Korea; Department of Medicine, Sungkyunkwan University School of Medicine, Kyunggi, Republic of Korea. Electronic address: mive69@skku.edu. 7. Transplantation Research Center, Samsung Biomedical Research Institute, Samsung Medical Center, Seoul, Republic of Korea; Samsung Advanced Institute for Health Sciences & Technology, Graduate School, Department of Health Sciences & Technology, Sungkyunkwan University, Kyunggi, Republic of Korea; Stem Cell & Regenerative Medicine Institute, Samsung Medical Center, Seoul, Republic of Korea; Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea. Electronic address: jaeberm.park@samsung.com.
Abstract
BACKGROUND: There are various types of adipose tissue in the human body, and their morphology is known to be closely related to cell function and metabolism. However, the functional differences among the mesenchymal stromal cells (MSCs) of different abdominal adipose tissues have not been clearly elucidated. METHODS: MSCs were isolated from different abdominal adipose tissues according to their regional distribution and included superficial subcutaneous, deep subcutaneous, omentum, mesentery and retroperitoneal MSCs. The immunophenotype, proliferative ability and angiogenic function of these MSCs were compared based on flow cytometry analysis, CCK-8 proliferation, in vitro differentiation, tubule formation and in vivo plug assay. RESULTS: The plastic adherence, cell morphology and general immunophenotype are similar among the MSCs. However, subcutaneous adipose tissue-derived MSCs have a faster growth rate and a higher level of CD146 expression than the other MSCs. Moreover, according to the fluorescence-activated cell sorting (FACS) enrichment procedure, the expression level of CD146 is positively related to the growth rate and angiogenic capability of MSCs. DISCUSSION: MSCs in adipose tissue showed slightly different characteristics depending on their location of origin, and they possessed different angiogenic abilities that were mediated by the expression of CD146. This study provides evidence that subcutaneous adipose tissue is the most appropriate source of MSCs for therapeutic cell transplantation in vascular disease.
BACKGROUND: There are various types of adipose tissue in the human body, and their morphology is known to be closely related to cell function and metabolism. However, the functional differences among the mesenchymal stromal cells (MSCs) of different abdominal adipose tissues have not been clearly elucidated. METHODS: MSCs were isolated from different abdominal adipose tissues according to their regional distribution and included superficial subcutaneous, deep subcutaneous, omentum, mesentery and retroperitoneal MSCs. The immunophenotype, proliferative ability and angiogenic function of these MSCs were compared based on flow cytometry analysis, CCK-8 proliferation, in vitro differentiation, tubule formation and in vivo plug assay. RESULTS: The plastic adherence, cell morphology and general immunophenotype are similar among the MSCs. However, subcutaneous adipose tissue-derived MSCs have a faster growth rate and a higher level of CD146 expression than the other MSCs. Moreover, according to the fluorescence-activated cell sorting (FACS) enrichment procedure, the expression level of CD146 is positively related to the growth rate and angiogenic capability of MSCs. DISCUSSION: MSCs in adipose tissue showed slightly different characteristics depending on their location of origin, and they possessed different angiogenic abilities that were mediated by the expression of CD146. This study provides evidence that subcutaneous adipose tissue is the most appropriate source of MSCs for therapeutic cell transplantation in vascular disease.
Authors: Nestor M Diaz Deleon; Sandeep Adem; Christopher V Lavin; Darren B Abbas; Michelle Griffin; Megan E King; Mimi R Borrelli; Ronak A Patel; Evan J Fahy; Daniel Lee; Abra H Shen; Arash Momeni; Michael T Longaker; Derrick C Wan Journal: J Tissue Eng Regen Med Date: 2021-10-05 Impact factor: 3.963
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