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Bhattacharyya S, Mitra D, Ray S, Biswas N, Banerjee S, Majumder B, Mustafi SM, Murmu N. Reversing effect of Lupeol on vasculogenic mimicry in murine melanoma progression. Microvasc Res 2018; 121:52-62. [PMID: 30381268 DOI: 10.1016/j.mvr.2018.10.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 08/16/2018] [Accepted: 10/24/2018] [Indexed: 12/11/2022]
Abstract
Vasculogenic mimicry, an endothelia-independent tumor microcirculation has been found in various cancers and is thought to be achieved by cancer stem like cells. Dacarbazine resistance is one of the most common features of melanoma and recent studies suggest that the mode of resistance is closely related to the formation of vasculogenic mimicry. In our work, we examined the anticancer effect of Lupeol, a novel phytochemical with Dacarbazine in vivo and in vitro. Results demonstrated adequate cytotoxicity followed by down regulation of CD 133 expression in Lupeol treated B16-F10 cell line. In solid tumor model the drug also inhibited vasculogenic mimicry along with angiogenesis by altering both the cancer stem cell as well as the endothelial progenitor cell population. Lupeol hindered the maturation of bone marrow derived endothelial progenitors and thus, retarded the formation of rudimentary tumor microvessels. Notably, Dacarbazine treatment demonstrated unresponsiveness to B16-F10 cells in both in vivo and in vitro model via upregulation of CD 133 expression and increased formation of vasculogenic mimicry tubes. Together, these data indicate that Lupeol alone can become a proficient agent in treating melanoma, inhibiting vasculogenic mimicry and might play a significant role in subduing Dacarbazine induced drug resistance.
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Affiliation(s)
- Sayantan Bhattacharyya
- Department of Signal Transduction and Biogenic Amines, Chittaranjan National Cancer Institute, 37, S. P. Mukherjee Road, Kolkata 700026, India
| | - Debarpan Mitra
- Department of Signal Transduction and Biogenic Amines, Chittaranjan National Cancer Institute, 37, S. P. Mukherjee Road, Kolkata 700026, India
| | - Sudipta Ray
- Department of Signal Transduction and Biogenic Amines, Chittaranjan National Cancer Institute, 37, S. P. Mukherjee Road, Kolkata 700026, India
| | - Nirjhar Biswas
- Department of Signal Transduction and Biogenic Amines, Chittaranjan National Cancer Institute, 37, S. P. Mukherjee Road, Kolkata 700026, India
| | - Samir Banerjee
- Department of Signal Transduction and Biogenic Amines, Chittaranjan National Cancer Institute, 37, S. P. Mukherjee Road, Kolkata 700026, India
| | - Biswanath Majumder
- Department of Molecular Pathology and Cancer Biology, Mitra Biotech, 202, Narayana Nethralaya, Hosur Main Road, Bangalore 560099, India
| | - Saunak Mitra Mustafi
- Department of Pathology, Chittaranjan National Cancer Institute, 37, S. P. Mukherjee Road, Kolkata 700026, India
| | - Nabendu Murmu
- Department of Signal Transduction and Biogenic Amines, Chittaranjan National Cancer Institute, 37, S. P. Mukherjee Road, Kolkata 700026, India.
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Qiang S, Alsaeedi HA, Yuhong C, Yang H, Tong L, Kumar S, Higuchi A, Alarfaj AA, Munisvaradass R, Ling MP, Cheng P. Morphological and genetical changes of endothelial progenitor cells after in-vitro conversion into photoreceptors. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 183:127-132. [PMID: 29704860 DOI: 10.1016/j.jphotobiol.2018.04.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 03/19/2018] [Accepted: 04/03/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Retinal degeneration is a condition ensued by various ocular disorders such as artery occlusion, diabetic retinopathy, retrolental fibroplasia and retinitis pigmentosa which cause abnormal loss of photoreceptor cells and lead to eventual vision impairment. No efficient treatment has yet been found, however, the use of stem cell therapy such as bone marrow and embryonic stem cells has opened a new treatment modality for retinal degenerative diseases. The major goal of this study is to analyze the potential of endothelial progenitor cells derived from bone marrow to differentiate into retinal neural cells for regenerative medicine purposes. METHODS In this study, endothelial progenitor cells were induced in-vitro with photoreceptor growth factor (taurine) for 21 days. Subsequently, the morphology and gene expression of CRX and RHO of the photoreceptors-induced EPCs were examined through immunostaining assay. FINDINGS The results indicated that the induced endothelial progenitor cells demonstrated positive gene expression of CRX and RHO. Our findings suggested that EPC cells may have a high advantage in cell replacement therapy for treating eye disease, in addition to other neural diseases, and may be a suitable cell source in regenerative medicine for eye disorders.
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Affiliation(s)
- Shi Qiang
- Opthalmology Department, First Affiliated Hospital of Xi'an Jiao Tong University, China
| | - Hiba Amer Alsaeedi
- Department of Medical Microbiology and Parasitology, Faculty of Medicine & Health Sciences, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia.
| | - Cheng Yuhong
- Opthalmology Department, First Affiliated Hospital of Xi'an Jiao Tong University, China
| | - Hao Yang
- Opthalmology Department, First Affiliated Hospital of Xi'an Jiao Tong University, China
| | - Li Tong
- Opthalmology Department, First Affiliated Hospital of Xi'an Jiao Tong University, China
| | - Suresh Kumar
- Department of Medical Microbiology and Parasitology, Faculty of Medicine & Health Sciences, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia
| | - Akon Higuchi
- Department of Chemical and Materials Engineering, National Central University, Jhong-li, Taoyuan 32001, Taiwan; Department of Botany and Microbiology, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdullah A Alarfaj
- Department of Botany and Microbiology, King Saud University, Riyadh 11451, Saudi Arabia
| | - Rusheni Munisvaradass
- Department of Clinical Laboratory Sciences, College of Applied Medical Science, Aljouf University, Sakaka, P.O. Box 2014, Aljouf Province, Saudi Arabia
| | - Mok Pooi Ling
- Department of Biomedical Science, Faculty of Medicine & Health Sciences, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia; Genetics and Regenerative Medicine Research Center, Faculty of Medicine & Health Sciences, Universiti Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia
| | - Pei Cheng
- Opthalmology Department, First Affiliated Hospital of Xi'an Jiao Tong University, China.
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Li Y, Liu J, Zhao Z, Wen L, Li H, Ren J, Liu H. Correlation between circulating endothelial progenitor cells and serum carcinoembryonic antigen level in colorectal cancer. Acta Biochim Biophys Sin (Shanghai) 2018; 50:307-312. [PMID: 29377980 DOI: 10.1093/abbs/gmx147] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Indexed: 12/13/2022] Open
Abstract
Circulating endothelial progenitor cells (cEPCs) play an important role in cancer development. Previous studies showed that serum carcinoembryonic antigen (CEA) levels and the number of circulating endothelial progenitor cells (cEPCs) in the peripheral blood are both involved in tumor neoangiogenesis, and can be used for monitoring tumor progression, recurrence, metastasis, and therapeutic responses. However, the clinical relevance of these biomarkers remains unknown. In this study, 40 colorectal cancer (CRC) patients and 17 healthy volunteers were recruited and the amount of cEPCs in the peripheral blood was measured by flow cytometry. The serum CEA level was determined by CEA-RIACT assay. Results showed that cEPC level positively correlated with the stage of the disease, but not with the age and gender of the patients. Moreover, patients with higher serum CEA levels had higher cEPC levels. These results provide clinical evidence for a correlation between two commonly used biomarkers. Further understanding the role of serum CEA in cEPC-mediated tumor vascularization may improve clinical CRC diagnosis and provide useful insights into the design of therapeutic interventions that target tumor vasculature.
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Affiliation(s)
- Yuanxiang Li
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jingwen Liu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zheyan Zhao
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Lu Wen
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Huili Li
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jinghua Ren
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Hongli Liu
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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Kim M, Kim DI, Kim EK, Kim CW. CXCR4 Overexpression in Human Adipose Tissue-Derived Stem Cells Improves Homing and Engraftment in an Animal Limb Ischemia Model. Cell Transplant 2016; 26:191-204. [PMID: 27501830 DOI: 10.3727/096368916x692708] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
We investigated the effects of transplantation of CXCR4-overexpressing adipose tissue-derived stem cells (ADSCs) into a mouse diabetic hindlimb ischemia model on homing and engraftment as early as 48 h after transplant. CXCR4-overexpressing ADSCs were intramuscularly or intravenously injected into diabetic mice with hindlimb ischemia. After 48 h, muscle tissues in the femur and tibia were collected, and the CXCR4 expression pattern was analyzed by immunofluorescence staining. The homing and engraftment of transplanted CXCR4-overexpressing ADSCs into the ischemic area were significantly increased, and intravenous (systemic) injection resulted in the more effective delivery of stem cells to the target site 48 h posttransplantation. Furthermore, CXCR4-overexpressing ADSCs more efficiently contributed to long-term engraftment and muscle tissue regeneration than normal ADSCs in a limb ischemia model. In addition, the homing and engraftment of ADSCs were correlated with the CXCR4 transfection efficiency. These results demonstrated that enhanced CXCR4 signaling could significantly improve the early homing and engraftment of ADSCs into ischemic areas as well as the long-term engraftment and ultimate muscle tissue regeneration.
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Endothelial progenitor cells in tumor angiogenesis: another brick in the wall. Stem Cells Int 2015; 2015:832649. [PMID: 26000021 PMCID: PMC4427119 DOI: 10.1155/2015/832649] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2014] [Revised: 03/25/2015] [Accepted: 03/27/2015] [Indexed: 12/14/2022] Open
Abstract
Until 15 years ago, vasculogenesis, the formation of new blood vessels from undifferentiated cells, was thought to occur only during embryonic development. The discovery of circulating cells that are able to promote vascular regeneration and repair—the so-called endothelial progenitor cells (EPCs)—changed that, and EPCs have since been studied extensively. It is already known that EPCs include many subtypes of cells that play a variety of roles in promoting vascular growth. Some EPCs are destined to differentiate into endothelial cells, whereas others are capable of promoting and sustaining angiogenesis through paracrine mechanisms. Vasculogenesis and angiogenesis might constitute complementary mechanisms for postnatal neovascularization, and EPCs could be at the core of this process. Although the formation of new blood vessels from preexisting vasculature plays a beneficial role in many physiological processes, such as wound healing, it also contributes to tumor growth and metastasis. However, many aspects of the role played by EPCs in tumor angiogenesis remain unclear. This review aims to address the main aspects of EPCs differentiation and certain characteristics of their main function, especially in tumor angiogenesis, as well as the potential clinical applications.
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Li Q, Wang Z. Influence of mesenchymal stem cells with endothelial progenitor cells in co-culture on osteogenesis and angiogenesis: an in vitro study. Arch Med Res 2013; 44:504-13. [PMID: 24120387 DOI: 10.1016/j.arcmed.2013.09.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2013] [Accepted: 09/13/2013] [Indexed: 11/18/2022]
Abstract
BACKGROUND AND AIMS Bone is a highly vascularized tissue reliant on the close spatial and temporal connection between blood vessels and bone cells to maintain skeletal integrity. Considering the intricate connection between osteogenesis and angiogenesis, it is not surprising that communication between mesenchymal stem cells (MSCs) and endothelial progenitor cells (EPCs) is one of the most important cellular interactions that orchestrates bone formation. The aim of this study was to evaluate the interaction of co-cultured bone marrow-derived endothelial progenitor cells (BM-EPCs) and mesenchymal stem cells (MSCs) in angiogenesis and osteogenesis in vitro. METHODS MSCs and BM-EPCs were isolated from bone marrow of dogs' iliac crest using density gradient centrifugation combined with adhesion method and identified with surface markers, cell proliferation and immunocytochemistry in vitro. We used the direct contact method of MSCs and BM-EPCs in a co-culture system. Co-cultured cells and non-co-cultured cells were examined using the alkaline phosphatase (ALP) activity assay, matrix mineralization assay, Matrigel 2D assay and gene expression. RESULTS ALP activity and calcification of nodules significantly increased in the co-cultured cells compared with MSCs alone after day 3, and tubulogenic activity of the co-cultured cells was also higher than BM-EPCs alone. Expression of bone and angiogenic markers were enhanced beyond expression levels of MSCs and BM-EPCs cultured alone. CONCLUSIONS BM-EPCs co-cultured with MSCs can promote osteogenesis and angiogenesis. This co-cultured system may be broadly useful in engineering a variety of other tissue types.
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Affiliation(s)
- Qiong Li
- Department of Oral and Maxillofacial Surgery, Hospital of Stomatology, Tongji University, Shanghai, China
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Kawakami Y, Ii M, Alev C, Kawamoto A, Matsumoto T, Kuroda R, Shoji T, Fukui T, Masuda H, Akimaru H, Mifune Y, Kuroda T, Horii M, Yokoyama A, Kurosaka M, Asahara T. Local Transplantation of Ex Vivo Expanded Bone Marrow-Derived CD34-Positive Cells Accelerates Fracture Healing. Cell Transplant 2012; 21:2689-709. [DOI: 10.3727/096368912x654920] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Transplantation of bone marrow (BM) CD34+ cells, an endothelial/hematopoietic progenitor-enriched cell population, has shown therapeutic efficiency in the treatment of ischemic diseases enhancing neovascularization. However, the number of CD34+ cells obtained from bone marrow is not sufficient for routine clinical application. To overcome this issue, we developed a more efficient and clinically applicable CD34+ cell expansion method. Seven-day ex vivo expansion culture of BM CD34+ cells with a cocktail of five growth factors containing VEGF, SCF, IL-6, Flt-3 ligand, and TPO resulted in reproducible more than 20-fold increase in cell number. The favorable effect of the local transplantation of culture expanded (cEx)-BM CD34+ cells on rat unhealing fractures was equivalent or higher than that of nonexpanded (fresh) BM CD34+ cells exhibiting sufficient therapeutic outcome with frequent vasculogenic/osteogenic differentiation of transplanted cEx-BM CD34+ cells and fresh BM CD34+ cells as well as intrinsic enhancement of angiogenesis/osteogenesis at the treated fracture sites. Specifically, cEx-BM CD34+ cell treatment demonstrated the best blood flow recovery at fracture sites compared with the nonexpanded BM CD34+ cells. In vitro, cEx-BM CD34+ cells showed higher colony/tube-forming capacity than nonexpanded BM CD34+ cells. Both cells demonstrated differentiation potential into osteoblasts. Since fresh BM CD34+ cells can be easily collected from fracture sites at the time of primary operation and stored for future use, autologous cEx-BM CD34+ cell transplantation would be not only a simple but also a promising therapeutic strategy for unhealing fractures in the field of orthopedic trauma surgery.
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Affiliation(s)
- Yohei Kawakami
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Masaaki Ii
- Department of Pharmacology, Osaka Medical College, Takatsuki, Osaka, Japan
| | - Cantas Alev
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Laboratory for Early Embryogenesis, RIKEN Center for Developmental Biology, Kobe, Hyogo, Japan
| | - Atsuhiko Kawamoto
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
| | - Tomoyuki Matsumoto
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Taro Shoji
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Tomoaki Fukui
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Haruchika Masuda
- Department of Regenerative Medicine Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Hiroshi Akimaru
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
| | - Yutaka Mifune
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Tomoya Kuroda
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Miki Horii
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
| | - Ayumi Yokoyama
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
| | - Masahiro Kurosaka
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Takayuki Asahara
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Regenerative Medicine Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
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Sakata N, Chan NK, Ostrowski RP, Chrisler J, Hayes P, Kim S, Obenaus A, Zhang JH, Hathout E. Hyperbaric oxygen therapy improves early posttransplant islet function. Pediatr Diabetes 2010; 11:471-8. [PMID: 20144181 PMCID: PMC2914840 DOI: 10.1111/j.1399-5448.2009.00629.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
OBJECTIVE This study investigates the therapeutic potential of hyperbaric oxygen therapy (HBO) in reducing hypoxia and improving engraftment of intraportal islet transplants by promoting angiogenesis. METHODS Diabetic BALB/c mice were transplanted with 500 syngeneic islets intraportally and received six consecutive twice-daily HBO treatments (n = 9; 100% oxygen for 1 h at 2.5 atmospheres absolute) after transplantation. Dynamic contrast-enhanced magnetic resonance imaging (DCE MRI) was used to assess new vessel formation at postoperative days (POD) 3, 7, and 14. Liver tissue was recovered at the same time points for correlative histology, including: hematoxylin and eosin, hypoxia-inducible factor (HIF1α), Terminal deoxynucleotidyl transferase (TdT)-mediated dUTP-biotin nick end labeling (TUNEL), vascular endothelial growth factor (VEGF), and von Willebrand Factor immunohistochemistry. RESULTS HBO therapy significantly reduced HIF-1α, TUNEL and VEGF expression in islets at POD 7. In the non-HBO transplants, liver enhancement on DCE MRI peaked at POD 7 consistent with less mature vasculature but this enhancement was suppressed at POD 7 in the HBO-treated group. The number of new peri-islet vessels at POD 7 was not significantly different between HBO and control groups. CONCLUSION These results are consistent with a hyperbaric oxygen-mediated decrease in hypoxia that appeared to enhance vessel maturation in the critical days following intraportal islet transplantation.
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Affiliation(s)
- Naoaki Sakata
- Department of Pediatrics, Islet Transplant Laboratory, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
- Division of Hepato-Biliary Pancreatic Surgery, Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi 980-8574, Japan
| | - Nathaniel K. Chan
- Department of Pediatrics, Islet Transplant Laboratory, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
| | - Robert P. Ostrowski
- Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
| | - John Chrisler
- Department of Pediatrics, Islet Transplant Laboratory, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
| | - Pete Hayes
- Department of Radiation Medicine, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
| | - Sonny Kim
- Department of Radiation Medicine, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
| | - Andre Obenaus
- Department of Radiation Medicine, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
- Department of Radiology, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
| | - John H. Zhang
- Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
| | - Eba Hathout
- Department of Pediatrics, Islet Transplant Laboratory, Loma Linda University School of Medicine, Loma Linda, CA 92354, USA
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Aguirre A, Planell JA, Engel E. Dynamics of bone marrow-derived endothelial progenitor cell/mesenchymal stem cell interaction in co-culture and its implications in angiogenesis. Biochem Biophys Res Commun 2010; 400:284-91. [PMID: 20732306 DOI: 10.1016/j.bbrc.2010.08.073] [Citation(s) in RCA: 120] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2010] [Accepted: 08/17/2010] [Indexed: 01/07/2023]
Abstract
Tissue engineering aims to regenerate tissues and organs by using cell and biomaterial-based approaches. One of the current challenges in the field is to promote proper vascularization in the implant to prevent cell death and promote host integration. Bone marrow endothelial progenitor cells (BM-EPCs) and mesenchymal stem cells (MSCs) are bone marrow resident stem cells widely employed for proangiogenic applications. In vivo, they are likely to interact frequently both in the bone marrow and at sites of injury. In this study, the physical and biochemical interactions between BM-EPCs and MSCs in an in vitro co-culture system were investigated to further clarify their roles in vascularization. BM-EPC/MSC co-cultures established close cell-cell contacts soon after seeding and self-assembled to form elongated structures at 3days. Besides direct contact, cells also exhibited vesicle transport phenomena. When co-cultured in Matrigel, tube formation was greatly enhanced even in serum-starved, growth factor free medium. Both MSCs and BM-EPCs contributed to these tubes. However, cell proliferation was greatly reduced in co-culture and morphological differences were observed. Gene expression and cluster analysis for wide panel of angiogenesis-related transcripts demonstrated up-regulation of angiogenic markers but down-regulation of many other cytokines. These data suggest that cross-talk occurs in between BM-EPCs and MSCs through paracrine and direct cell contact mechanisms leading to modulation of the angiogenic response.
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Affiliation(s)
- A Aguirre
- Institute for Bioengineering of Catalonia (IBEC), Baldiri Reixac 15-21, 08028 Barcelona, Spain
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Sakata N, Chan NK, Chrisler J, Obenaus A, Hathout E. Bone marrow cell cotransplantation with islets improves their vascularization and function. Transplantation 2010; 89:686-93. [PMID: 20101199 PMCID: PMC2844476 DOI: 10.1097/tp.0b013e3181cb3e8d] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND.: To test the angiogenesis-promoting effects of bone marrow cells when cotransplanted with islets. METHODS.: Streptozotocin-induced diabetic BALB/c mice were transplanted syngeneically under the kidney capsule: (1) 200 islets, (2) 1 to 5x10 bone marrow cells, or (3) 200 islets and 1 to 5x10 bone marrow cells. All mice were evaluated for blood glucose, serum insulin, and glucose tolerance up to postoperative day (POD) 28, and a subset was monitored for 3 months after transplantation. Histologic assessment was performed at PODs 3, 7, 14, 28, and 84 for the detection of von Willebrand factor (vWF), vascular endothelial growth factor (VEGF), insulin, cluster of differentiation-34, and pancreatic duodenal homeobox-1 (PDX-1) protein. RESULTS.: Blood glucose was the lowest and serum insulin was the highest in the islet+bone marrow group at POD 7. Blood glucose was significantly lower in the islet+bone marrow group relative to the islet only group after 63 days of transplantation (P<0.05). Significantly more new periislet vessels were detected in the islet+bone marrow group compared with the islet group (P<0.05). Vascular endothelial growth factor staining was more prominent in bone marrow than in islets (P<0.05). Pancreatic duodenal homeobox-1-positive areas were identified in bone marrow cells with an increase in staining over time. However, there were no normoglycemic mice and no insulin-positive cells in the bone marrow alone group. CONCLUSIONS.: Cotransplantation of bone marrow cells with islets is associated with enhanced islet graft vascularization and function.
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Affiliation(s)
- Naoaki Sakata
- Islet Transplant Laboratory, Department of Pediatrics, Loma Linda University School of Medicine, CA, USA
- Division of Hepato-Biliary Pancreatic Surgery, Department of Surgery, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Nathaniel K. Chan
- Islet Transplant Laboratory, Department of Pediatrics, Loma Linda University School of Medicine, CA, USA
| | - John Chrisler
- Islet Transplant Laboratory, Department of Pediatrics, Loma Linda University School of Medicine, CA, USA
| | - Andre Obenaus
- Department of Radiation Medicine, Loma Linda University School of Medicine, CA, USA
- Department of Radiology, Loma Linda University School of Medicine, CA, USA
| | - Eba Hathout
- Islet Transplant Laboratory, Department of Pediatrics, Loma Linda University School of Medicine, CA, USA
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Sakata N, Chan NK, Chrisler J, Obenaus A, Hathout E. Bone marrow cells produce nerve growth factor and promote angiogenesis around transplanted islets. World J Gastroenterol 2010; 16:1215-20. [PMID: 20222164 PMCID: PMC2839173 DOI: 10.3748/wjg.v16.i10.1215] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To clarify the mechanism by which bone marrow cells promote angiogenesis around transplanted islets.
METHODS: Streptozotocin induced diabetic BALB/c mice were transplanted syngeneically under the kidney capsule with the following: (1) 200 islets (islet group: n = 12), (2) 1-5 × 106 bone marrow cells (bone marrow group: n = 11), (3) 200 islets and 1-5 × 106 bone marrow cells (islet + bone marrow group: n = 13), or (4) no cells (sham group: n = 5). All mice were evaluated for blood glucose, serum insulin, serum nerve growth factor (NGF) and glucose tolerance (GTT) up to postoperative day (POD) 14. Histological assessment for insulin, von Willebrand factor (vWF) and NGF was performed at POD 3, 7 and 14.
RESULTS: Blood glucose level was lowest and serum insulin was highest in the islet + bone marrow group. Serum NGF increased in islet, bone marrow, and islet + bone marrow groups after transplantation, and there was a significant difference (P = 0.0496, ANOVA) between the bone marrow and sham groups. The number of vessels within the graft area was significantly increased in both the bone marrow and islet + bone marrow groups at POD 14 as compared to the islet alone group (21.2 ± 3.6 in bone marrow, P = 0.01, vs islet group, 22.6 ± 1.9 in islet + bone marrow, P = 0.0003, vs islet group, 5.3 ± 1.6 in islet-alone transplants). NGF was more strongly expressed in bone marrow cells compared with islets.
CONCLUSION: Bone marrow cells produce NGF and promote angiogenesis. Islet co-transplantation with bone marrow is associated with improvement of islet graft function.
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Toll-like receptor 2/6 stimulation promotes angiogenesis via GM-CSF as a potential strategy for immune defense and tissue regeneration. Blood 2010; 115:2543-52. [PMID: 20056792 DOI: 10.1182/blood-2009-05-224402] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Toll-like receptors (TLRs) are known primarily as pathogen recognition receptors of the innate immunity, initiating inflammatory pathways to organize the immune defense. More recently, an involvement of TLRs in various physiologic and pathologic processes has been reported. Because many of these processes implicate angiogenesis, we here elucidated the role of a TLR2/6-dependent pathway on angiogenesis using the TLR2/6 agonist macrophage-activating lipopeptide of 2 kDa (MALP-2), a common bacterial lipopeptide. In vivo and in vitro Matrigel assays demonstrated that MALP-2 promoted angiogenesis in a TLR2/6-dependent manner. Moreover, MALP-2 induced endothelial cell proliferation and migration and a strong secretion of granulocyte-macrophage colony-stimulating factor (GM-CSF). GM-CSF release in response to MALP-2 from isolated vascular segments was completely prevented when the endothelium was removed. MALP-2 containing Matrigel implants exhibited vascular structures as well as CD45(+) cells. MALP-2 induced migration of leukocytes and likewise GM-CSF release, particularly from the monocyte population. Inhibition of GM-CSF by siRNA or antibodies suppressed MALP-2-induced angiogenesis in vitro and in vivo. These results clearly identified a TLR2/6-dependent induction of angiogenesis by the bacterial lipopeptide MALP-2, which is mediated by GM-CSF. This might represent a general mechanism to enhance or restore blood flow and recruit immune cells for pathogen defense and tissue regeneration.
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Mueller C, Lee SY, Schultze-Mosgau S. Characterization of interfacial reactions between connective tissue and allogenous implants used for subdermal soft tissue augmentation. Int J Oral Maxillofac Surg 2009; 38:1194-200. [DOI: 10.1016/j.ijom.2009.07.059] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2008] [Revised: 06/06/2009] [Accepted: 07/21/2009] [Indexed: 01/30/2023]
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Nikolic B, Faintuch S, Goldberg SN, Kuo MD, Cardella JF. Stem Cell Therapy: A Primer for Interventionalists and Imagers. J Vasc Interv Radiol 2009; 20:999-1012. [DOI: 10.1016/j.jvir.2009.04.075] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2009] [Revised: 04/24/2009] [Accepted: 04/28/2009] [Indexed: 02/06/2023] Open
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Lian F, Xue S, Gu P, Zhu HS. The Long-term Effect of Autologous Endothelial Progenitor Cells from Peripheral Blood Implantation on Infarcted Myocardial Contractile Force. J Int Med Res 2008; 36:40-6. [PMID: 18230266 DOI: 10.1177/147323000803600106] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This study was designed to evaluate the long-term effect of endothelial progenitor cell (EPC) implantation in acute myocardial infarction in Sprague-Dawley rats after ligation of the left anterior descending coronary artery. Autologous EPCs from peripheral blood were purified and implanted into an acute myocardial infarct site. Specimens and muscle strip were harvested at 3 and 6 weeks, and at 6, 8 and 12 months for contractile force assessment and, by immunohistology, for expression of vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF) and factor VIII. Expression of VEGF and bFGF, and microvessel counts and contractile force in the cell implantation group were significantly higher than in the control group up to 8 months after implantation. Beyond 8 months following implantation, however, no further improvement occurred. The EPCs showed an ability to improve contractile performance in infarcted myocardium by means of angiogenesis and vasculogenesis, and the results seemed to persist long-term.
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Affiliation(s)
- F Lian
- Department of Cardiovascular and Thoracic Surgery, Renji Hospital, Shanghai Jiaotong University Medical School, Shanghai, China
| | - S Xue
- Department of Cardiovascular and Thoracic Surgery, Renji Hospital, Shanghai Jiaotong University Medical School, Shanghai, China
| | - P Gu
- Laboratory Diagnosis Centre, Shanghai Children's Medical Centre, Shanghai Jiaotong University Medical School, Shanghai, China
| | - HS Zhu
- Department of Cardiovascular and Thoracic Surgery, Renji Hospital, Shanghai Jiaotong University Medical School, Shanghai, China
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