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Oh MS, Lee SG, Lee GH, Kim CY, Song JH, Yu BY, Chung HM. Verification of Therapeutic Effect through Accelerator Mass Spectrometry-Based Single Cell Level Quantification of hESC-Endothelial Cells Distributed into an Ischemic Model. Adv Healthc Mater 2023; 12:e2300476. [PMID: 37068221 DOI: 10.1002/adhm.202300476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/01/2023] [Indexed: 04/19/2023]
Abstract
As the potential of pluripotent stem cell-derived differentiated cells has been demonstrated in regenerative medicine, differentiated vascular endothelial cells (ECs) are emerging as a therapeutic agent for the cardiovascular system. To verify the therapeutic efficacy of differentiated ECs in an ischemic model, human embryonic stem cells (hESCs) are induced as EC lineage and produce high-purity ECs through fluorescence-activated cell sorting (FACS). When hESC-ECs are transplanted into a hindlimb ischemic model, it is confirmed that blood flow and muscle regeneration are further improved by creating new blood vessels together with autologous ECs than the primary cell as cord blood endothelial progenitor cells (CB-EPCs). In addition, previously reported studies show the detection of transplanted cells engrafted in blood vessels through various tracking methods, but fail to provide accurate quantitative values over time. In this study, it is demonstrated that hESC-ECs are engrafted approximately sevenfold more than CB-EPCs by using an accelerator mass spectrometry (AMS)-based cell tracking technology that can perform quantification at the single cell level. An accurate quantification index is suggested. It has never been reported in in vivo kinetics of hESC-ECs that can act as therapeutic agents.
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Affiliation(s)
- Min-Seok Oh
- Department of Stem Cell Biology, School of Medicine, Konkuk University, 120 Neungdong-Ro, Gwangjin-Gu, Seoul, 05029, Republic of Korea
- Advanced Analysis and Data Center, Korea Institute of Science and Technology, Hwarang-ro 14-gil 5, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Seul-Gi Lee
- Department of Stem Cell Biology, School of Medicine, Konkuk University, 120 Neungdong-Ro, Gwangjin-Gu, Seoul, 05029, Republic of Korea
| | - Gwan-Ho Lee
- Advanced Analysis and Data Center, Korea Institute of Science and Technology, Hwarang-ro 14-gil 5, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - C-Yoon Kim
- College of Veterinary Medicine, Konkuk University, Gwangjin-Gu, Seoul, 05029, Republic of Korea
| | - Jong Han Song
- Advanced Analysis and Data Center, Korea Institute of Science and Technology, Hwarang-ro 14-gil 5, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Byung-Yong Yu
- Advanced Analysis and Data Center, Korea Institute of Science and Technology, Hwarang-ro 14-gil 5, Seongbuk-gu, Seoul, 02792, Republic of Korea
| | - Hyung Min Chung
- Department of Stem Cell Biology, School of Medicine, Konkuk University, 120 Neungdong-Ro, Gwangjin-Gu, Seoul, 05029, Republic of Korea
- Mirae Cell Bio Co. Ltd, Seoul, 04795, Republic of Korea
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Jang KS, Park SJ, Choi JJ, Kim HN, Shim KM, Kim MJ, Jang IH, Jin SW, Kang SS, Kim SE, Moon SH. Therapeutic Efficacy of Artificial Skin Produced by 3D Bioprinting. MATERIALS 2021; 14:ma14185177. [PMID: 34576409 PMCID: PMC8467964 DOI: 10.3390/ma14185177] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/30/2021] [Accepted: 09/06/2021] [Indexed: 02/05/2023]
Abstract
The skin protects the body from external barriers. Certain limitations exist in the development of technologies to rapidly prepare skin substitutes that are therapeutically effective in surgeries involving extensive burns and skin transplantation. Herein, we fabricated a structure similar to the skin layer by using skin-derived decellularized extracellular matrix (dECM) with bioink, keratinocytes, and fibroblasts using 3D-printing technology. The therapeutic effects of the produced skin were analyzed using a chimney model that mimicked the human wound-healing process. The 3D-printed skin substitutes exhibited rapid re-epithelialization and superior tissue regeneration effects compared to the control group. These results are expected to aid the development of technologies that can provide customized skin-replacement tissues produced easily and quickly via 3D-printing technology to patients.
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Affiliation(s)
- Kwang-Sik Jang
- Department of Veterinary Surgery, College of Veterinary Medicine and Biomaterial R&BD Center, Chonnam National University, Gwangju 61186, Korea; (K.-S.J.); (K.-M.S.)
| | - Soon-Jung Park
- Pangyo Research Center, T&R Biofab Co., Ltd, Seongnam-si 13487, Korea; (S.-J.P.); (M.-J.K.); (I.-H.J.); (S.-W.J.)
| | | | - Ha-Na Kim
- Department of Medicine, Konkuk University School of Medicine, Seoul 05029, Korea;
| | - Kyung-Mi Shim
- Department of Veterinary Surgery, College of Veterinary Medicine and Biomaterial R&BD Center, Chonnam National University, Gwangju 61186, Korea; (K.-S.J.); (K.-M.S.)
| | - Mi-Jeong Kim
- Pangyo Research Center, T&R Biofab Co., Ltd, Seongnam-si 13487, Korea; (S.-J.P.); (M.-J.K.); (I.-H.J.); (S.-W.J.)
| | - Il-Ho Jang
- Pangyo Research Center, T&R Biofab Co., Ltd, Seongnam-si 13487, Korea; (S.-J.P.); (M.-J.K.); (I.-H.J.); (S.-W.J.)
| | - Song-Wan Jin
- Pangyo Research Center, T&R Biofab Co., Ltd, Seongnam-si 13487, Korea; (S.-J.P.); (M.-J.K.); (I.-H.J.); (S.-W.J.)
| | - Seong-Soo Kang
- Department of Veterinary Surgery, College of Veterinary Medicine and Biomaterial R&BD Center, Chonnam National University, Gwangju 61186, Korea; (K.-S.J.); (K.-M.S.)
- Correspondence: (S.-S.K.); (S.-E.K.); (S.-H.M.)
| | - Se-Eun Kim
- Department of Veterinary Surgery, College of Veterinary Medicine and Biomaterial R&BD Center, Chonnam National University, Gwangju 61186, Korea; (K.-S.J.); (K.-M.S.)
- Correspondence: (S.-S.K.); (S.-E.K.); (S.-H.M.)
| | - Sung-Hwan Moon
- Pangyo Research Center, T&R Biofab Co., Ltd, Seongnam-si 13487, Korea; (S.-J.P.); (M.-J.K.); (I.-H.J.); (S.-W.J.)
- Department of Medicine, Konkuk University School of Medicine, Seoul 05029, Korea;
- Correspondence: (S.-S.K.); (S.-E.K.); (S.-H.M.)
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Pham TND, Shields MA, Spaulding C, Principe DR, Li B, Underwood PW, Trevino JG, Bentrem DJ, Munshi HG. Preclinical Models of Pancreatic Ductal Adenocarcinoma and Their Utility in Immunotherapy Studies. Cancers (Basel) 2021; 13:cancers13030440. [PMID: 33503832 PMCID: PMC7865443 DOI: 10.3390/cancers13030440] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 01/13/2021] [Accepted: 01/20/2021] [Indexed: 12/18/2022] Open
Abstract
Simple Summary Immune checkpoint blockade has provided durable clinical responses in a number of human malignancies, but not in patients with pancreatic cancer. Efforts to understand mechanisms of resistance and increase efficacy of immune checkpoint blockade in pancreatic cancer require the use of appropriate preclinical models in the laboratory. Here, we discuss the benefits, caveats, and potentials for improvement of the most commonly used models, including murine-based and patient-derived models. Abstract The advent of immunotherapy has transformed the treatment landscape for several human malignancies. Antibodies against immune checkpoints, such as anti-PD-1/PD-L1 and anti-CTLA-4, demonstrate durable clinical benefits in several cancer types. However, checkpoint blockade has failed to elicit effective anti-tumor responses in pancreatic ductal adenocarcinoma (PDAC), which remains one of the most lethal malignancies with a dismal prognosis. As a result, there are significant efforts to identify novel immune-based combination regimens for PDAC, which are typically first tested in preclinical models. Here, we discuss the utility and limitations of syngeneic and genetically-engineered mouse models that are currently available for testing immunotherapy regimens. We also discuss patient-derived xenograft mouse models, human PDAC organoids, and ex vivo slice cultures of human PDAC tumors that can complement murine models for a more comprehensive approach to predict response and resistance to immunotherapy regimens.
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Affiliation(s)
- Thao N. D. Pham
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (M.A.S.); (C.S.)
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA;
- Correspondence: (T.N.D.P.); (H.G.M.); Tel.: +1-312-503-0312 (T.N.D.P.); +1-312-503-2301 (H.G.M.)
| | - Mario A. Shields
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (M.A.S.); (C.S.)
- Robert H. Lurie Comprehensive Cancer Center, Chicago, IL 60611, USA
| | - Christina Spaulding
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (M.A.S.); (C.S.)
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA;
| | - Daniel R. Principe
- Medical Scientist Training Program, University of Illinois, Chicago, IL 60612, USA;
| | - Bo Li
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA;
| | - Patrick W. Underwood
- Department of Surgery, University of Florida, Gainesville, FL 32611, USA; (P.W.U.); (J.G.T.)
| | - Jose G. Trevino
- Department of Surgery, University of Florida, Gainesville, FL 32611, USA; (P.W.U.); (J.G.T.)
| | - David J. Bentrem
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA;
- Robert H. Lurie Comprehensive Cancer Center, Chicago, IL 60611, USA
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA;
| | - Hidayatullah G. Munshi
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; (M.A.S.); (C.S.)
- Jesse Brown VA Medical Center, Chicago, IL 60612, USA;
- Robert H. Lurie Comprehensive Cancer Center, Chicago, IL 60611, USA
- Correspondence: (T.N.D.P.); (H.G.M.); Tel.: +1-312-503-0312 (T.N.D.P.); +1-312-503-2301 (H.G.M.)
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Huang S, Hu Z, Wang P, Zhang Y, Cao X, Dong Y, Cheng P, Xu H, Zhu W, Tang B, Zhu J. Rat epidermal stem cells promote the angiogenesis of full-thickness wounds. Stem Cell Res Ther 2020; 11:344. [PMID: 32771044 PMCID: PMC7414990 DOI: 10.1186/s13287-020-01844-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 07/06/2020] [Accepted: 07/21/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Full-thickness wounds severely affect patients' life quality and become challenging problems for clinicians. Stem cells have great prospects in the treatment of wounds. Our previous study confirmed that autologous basal cell suspension could promote wound healing, and epidermal stem cells (ESCs) were detected in the basal cell suspension. Herein, this study aimed to explore the effect of ESCs on full-thickness wounds. METHODS Rat ESCs were isolated and expanded and then were transfected with lentivirus to stably express enhanced green fluorescent protein. The experimental rats were randomly divided into 2 groups: in the ESC group, the rat ESCs were sprayed on the full-thickness wounds of rats; in the control group, phosphate-buffered saline was sprayed the on the wounds. Next, wound healing and neovascularization were evaluated. Colonization, division, and differentiation of ESCs on the wound were analyzed by immunofluorescence. RESULTS The rat ESCs colonized, divided, and proliferated in the wound. Additionally, rat ESCs around blood vessels differentiated into vascular endothelial cells and formed a lumen-like structure. Compared with the control group, the ESC group showed enhanced angiogenesis and accelerated wound healing. CONCLUSIONS Our study confirmed that rat ESCs are safe and effective for treating full-thickness wounds. Additionally, under certain conditions, ESCs can differentiate into vascular endothelial cells to promote angiogenesis and wound healing.
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Affiliation(s)
- Shaobin Huang
- Department of Burn, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China.,Department of Plastic Surgery, Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Zhicheng Hu
- Department of Burn, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Peng Wang
- Department of Burn, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Yi Zhang
- Department of Burn and Plastic Surgery, Affiliated Hospital of Nantong University, Nantong, People's Republic of China
| | - Xiaoling Cao
- Department of Burn, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Yunxian Dong
- Department of Burn, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Pu Cheng
- Department of Burn, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Hailin Xu
- Department of Burn, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China
| | - Wenkai Zhu
- Department of Chemistry, Portland State University, Portland, USA
| | - Bing Tang
- Department of Burn, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China.
| | - Jiayuan Zhu
- Department of Burn, First Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510080, Guangdong Province, People's Republic of China.
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Lotus seedpod-inspired hydrogels as an all-in-one platform for culture and delivery of stem cell spheroids. Biomaterials 2019; 225:119534. [DOI: 10.1016/j.biomaterials.2019.119534] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 09/05/2019] [Accepted: 09/28/2019] [Indexed: 01/01/2023]
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Parnell LK, Volk SW. The Evolution of Animal Models in Wound Healing Research: 1993-2017. Adv Wound Care (New Rochelle) 2019; 8:692-702. [PMID: 31827981 DOI: 10.1089/wound.2019.1098] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 09/21/2019] [Indexed: 02/06/2023] Open
Abstract
Significance: Wound healing is a complex and dynamic series of events influenced by a variety of intrinsic and extrinsic factors. Problematic wounds, particularly chronic wounds and pathologic scars, remain clinically significant burdens. Modeling physiologic and aberrant wound repair processes using in vitro or in vivo models have contributed to Advances in Wound Care (AWC); however, the fidelity of each model used, particularly with respect to its species-specific limitations, must be taken into account for extrapolation to human patients. Twenty-five years of wound healing models published in Wound Repair and Regeneration (1993-2017) and AWC (2012-2017) were collected and analyzed to determine trends in species utilization and models used. Recent Advances: In 25 years, 1,521 original research articles utilizing one or more wound models were published (total of 1,665 models). Although 20 different species were used over the course of 25 years, 5 species were most commonly utilized: human, mouse, rat, pig, and rabbit. In vivo modeling was used most frequently, followed by in vitro, ex vivo, and in silico modeling of wound healing processes. Critical Issues: A comparison of articles from 1993 to 1997 and 2013 to 2017 periods showed notable differences in model and species usage. Experiments utilizing mouse and human models increased, while the usage of pig models remained constant, rabbit and rat models declined in the more recent time period examined compared to the time period two decades before. Future Directions: This analysis shows notable changes in types of models and species used over time which may be attributed to new knowledge, techniques, technology, and/or reagents. Explorations into mechanisms of limb regeneration and wound healing of noncutaneous tissues have also contributed to a shift in modeling over time. Changes within the journals (i.e., page expansion and increased rejection rates), research funding, and model expense may also influence the observed shifts.
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Affiliation(s)
| | - Susan W. Volk
- Department of Clinical Studies and Advanced Medicine, University of Pennsylvania School of Veterinary Medicine, Philadelphia, Pennsylvania
- Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, Philadelphia, Pennsylvania
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