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Yan D, Cui D, Zhu Y, Chan CKW, Choi CHJ, Liu T, Tsao SW, Ma S, Cheung ALM. Serglycin-induced interleukin-1β from oesophageal cancer cells upregulate hepatocyte growth factor in fibroblasts to promote tumour angiogenesis and growth. Clin Transl Med 2022; 12:e1031. [PMID: 35994394 PMCID: PMC9394751 DOI: 10.1002/ctm2.1031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 08/05/2022] [Accepted: 08/09/2022] [Indexed: 01/24/2023] Open
Affiliation(s)
- Dongdong Yan
- School of Biomedical SciencesLi Ka Shing Faculty of MedicineUniversity of Hong KongHong KongSARChina
| | - Di Cui
- School of Biomedical SciencesLi Ka Shing Faculty of MedicineUniversity of Hong KongHong KongSARChina
| | - Yun Zhu
- Center for Clinical Big Data and AnalyticsThe Second Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhouChina
| | - Cecilia Ka Wing Chan
- Department of Biomedical EngineeringThe Chinese University of Hong KongHong KongSARChina
| | | | - Tengfei Liu
- School of Biomedical SciencesLi Ka Shing Faculty of MedicineUniversity of Hong KongHong KongSARChina
| | - Sai Wah Tsao
- School of Biomedical SciencesLi Ka Shing Faculty of MedicineUniversity of Hong KongHong KongSARChina
| | - Stephanie Ma
- School of Biomedical SciencesLi Ka Shing Faculty of MedicineUniversity of Hong KongHong KongSARChina
- The University of Hong Kong – Shenzhen HospitalShenzhenChina
| | - Annie Lai Man Cheung
- School of Biomedical SciencesLi Ka Shing Faculty of MedicineUniversity of Hong KongHong KongSARChina
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2
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Xiang Y, Qin Z, Yang Y, Fisher GJ, Quan T. Age-related elevation of HGF is driven by the reduction of fibroblast size in a YAP/TAZ/CCN2 axis-dependent manner. J Dermatol Sci 2021; 102:36-46. [PMID: 33648801 DOI: 10.1016/j.jdermsci.2021.02.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 02/03/2021] [Accepted: 02/12/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Aged human skin is primarily attributable to the loss of collagen. Hepatocyte growth factor (HGF) acts as an anti-fibrotic factor by suppression of collagen production. In aged human skin, HGF is elevated in dermal fibroblasts and thus contributes to dermal aging (thin dermis) by suppression of collagen production. OBJECTIVE We aimed to investigate the underlying mechanisms of age-related elevation of HGF expression. METHODS Collagen fibrils in the aged skin dermis are fragmented and disorganized, which impairs collagen-fibroblast interaction, resulting in reduced fibroblast spreading and size. To explore the connection between reduced dermal fibroblast size and age-related elevation of HGF expression, we manipulate dermal fibroblast size, and cell-size dependent regulation of HGF was investigated by laser capture microdissection, immunostaining, capillary electrophoresis immunoassay, and quantitative RT-PCR. RESULTS We found that reduced fibroblast size is responsible for age-related elevation of HGF expression. Further investigation indicated that cell size-dependent upregulation of HGF expression was mediated by impeded YAP/TAZ nuclear translocation and their target gene, CCN2. Conversely, restoration of dermal fibroblast size rapidly reversed cell-size-dependent upregulation of HGF in a YAP/TAZ-dependent manner. Finally, we confirmed that elevated HGF expression is accompanied by the reduced expression of YAP/TAZ and CCN2 in the aged human skin in vivo. CONCLUSION Age-related elevation of HGF is driven by the reduction of fibroblast size in a YAP/TAZ/CCN2 axis-dependent manner. These data reveal a novel mechanism by which reduction of fibroblast size upregulates HGF expression, which in turn contributes to loss of collagen, a prominent feature of aged human skin.
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Affiliation(s)
- Yaping Xiang
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Zhaoping Qin
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Yan Yang
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Gary J Fisher
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Taihao Quan
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA.
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3
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Liu Y, Liang S, Yang F, Sun Y, Niu L, Ren Y, Wang H, He Y, Du J, Yang J, Lin J. Biological characteristics of endometriotic mesenchymal stem cells isolated from ectopic lesions of patients with endometriosis. Stem Cell Res Ther 2020; 11:346. [PMID: 32771033 PMCID: PMC7414689 DOI: 10.1186/s13287-020-01856-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 06/29/2020] [Accepted: 07/27/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Research into the pathogenesis of endometriosis (EMs) would substantially promote its effective treatment and early diagnosis. However, the aetiology of EMs is poorly understood and controversial despite the progress in EMs research in the last several decades. Currently, accumulating evidence has shed light on the importance of endometrial stem cells (EnSCs) residing in the basal layer of endometrium in the establishment and progression of endometriotic lesions. Therefore, we aimed to identify the differences between EnSCs isolated from the ectopic lesions of EMs patients (EnSC-EM-EC) and EnSCs isolated from eutopic endometrium of control group (EnSC-Control). We further performed preliminary exploration of the potential signalling pathways involved in the above abnormalities. METHODS EnSC-EM-EC (n = 12) and EnSC-Control (n = 13) were successfully isolated. Then, the proliferative capacity, migratory capacity and angiogenic potential of EnSCs were evaluated by conventional MTT assay, flow cytometry, wound healing assay, transwell assay, tube formation assay and chick embryo chorioallantoic membrane assay respectively. The expression of 11 angiogenesis-associated biological factors and 11 cytokines secreted by EnSCs and 17 adhesion molecules expressed on EnSCs were determined by protein array assays respectively. Differentially expressed genes (DEGs) between EnSC-EM-EC and EnSC-Control were analysed by RNA-sequence. RESULTS EnSC-EM-EC exhibited unique biological characteristics, including prolonged mitosis, enhanced migratory capacity and enhanced angiogenic potential. Greater amounts of angiogenic factors (especially VEGF and PDGF) were secreted by EnSC-EM-EC than by EnSC-Control; however, the distinct profiles of cytokines secreted by EnSC-EM-EC and adhesion molecules expressed by EnSC-EM-EC require further investigation. A total of 523 DEGs between EnSC-EM-EC and EnSC-Control were identified and analysed using the KEGG and Gene Ontology databases. CONCLUSIONS Our results not only improve the understanding of EMs but also contribute to the development of EnSC-EM-EC as a tool for EMs drug discovery. These cells could be of great help in exploiting promising therapeutic targets and new biomarkers for EMs treatment and prognosis.
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Affiliation(s)
- Yanli Liu
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China.,Henan Key Laboratory of Medical Tissue Regeneration, NO 601, East of JinSui Road, Xinxiang City, 453003, Henan Province, China
| | - Shengying Liang
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China.,Henan Key Laboratory of Medical Tissue Regeneration, NO 601, East of JinSui Road, Xinxiang City, 453003, Henan Province, China
| | - Fen Yang
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China.,Henan Key Laboratory of Medical Tissue Regeneration, NO 601, East of JinSui Road, Xinxiang City, 453003, Henan Province, China.,College of Biomedical Engineering, Xinxiang Medical University, Xinxiang, 453003, China
| | - Yuliang Sun
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China
| | - Lidan Niu
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China.,College of Biomedical Engineering, Xinxiang Medical University, Xinxiang, 453003, China
| | - Yakun Ren
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China.,Henan Key Laboratory of Medical Tissue Regeneration, NO 601, East of JinSui Road, Xinxiang City, 453003, Henan Province, China
| | - Hongmei Wang
- The First Affiliated Hospital of Xinxiang Medical University, NO 88, JianKang Road, Weihui, Xinxiang City, 453100, Henan Province, China
| | - Yanan He
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China
| | - Jiang Du
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China.,College of Biomedical Engineering, Xinxiang Medical University, Xinxiang, 453003, China
| | - Jun Yang
- The First Affiliated Hospital of Xinxiang Medical University, NO 88, JianKang Road, Weihui, Xinxiang City, 453100, Henan Province, China.
| | - Juntang Lin
- Stem Cell and Biotherapy Technology Research Center, College of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China. .,Henan Key Laboratory of Medical Tissue Regeneration, NO 601, East of JinSui Road, Xinxiang City, 453003, Henan Province, China.
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c-Jun Overexpression Accelerates Wound Healing in Diabetic Rats by Human Umbilical Cord-Derived Mesenchymal Stem Cells. Stem Cells Int 2020; 2020:7430968. [PMID: 32399050 PMCID: PMC7201444 DOI: 10.1155/2020/7430968] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/18/2019] [Accepted: 12/20/2019] [Indexed: 12/19/2022] Open
Abstract
Objective Mesenchymal stem cells (MSCs) are considered a promising therapy for wound healing. Here, we explored the role of c-Jun in diabetic wound healing using human umbilical cord-derived MSCs (hUC-MSCs). Methods Freshly isolated hUC-MSCs were subjected to extensive in vitro subcultivation. The cell proliferative and migratory capacities were assessed by the Cell Counting Kit-8 and scratch assays, respectively. c-Jun expression was evaluated by RT-PCR and western blot analysis. The function of c-Jun was investigated with lentivirus transduction-based gene silencing and overexpression. Diabetes mellitus was induced in SD rats on a high-glucose/fat diet by streptozocin administration. Wounds were created on the dorsal skin. The effects of c-Jun silencing and overexpression on wound closure by hUC-MSCs were examined. Reepithelialization and angiogenesis were assessed by histological and immunohistochemical analysis, respectively. Platelet-derived growth factor A (PDGFA), hepatocyte growth factor (HGF), and vascular endothelial growth factor (VEGF) levels were determined by western blot analysis. Results hUC-MSCs showed gradually decreased cell proliferation, migration, and c-Jun expression during subcultivation. c-Jun silencing inhibited cell proliferation and migration, while c-Jun overexpression enhanced proliferation but not migration. Compared with untransduced hUC-MSCs, local subcutaneous injection of c-Jun-overexpressing hUC-MSCs accelerated wound closure, enhanced angiogenesis and reepithelialization at the wound bed, and increased PDGFA and HGF levels in wound tissues. Conclusion c-Jun overexpression promoted hUC-MSC proliferation and migration in vitro and accelerated diabetic wound closure, reepithelization, and angiogenesis by hUC-MSCs in vivo. These beneficial effects of c-Jun overexpression in diabetic wound healing by hUC-MSCs were at least partially mediated by increased PDGFA and HGF levels in wound tissues.
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Hynds RE, Bonfanti P, Janes SM. Regenerating human epithelia with cultured stem cells: feeder cells, organoids and beyond. EMBO Mol Med 2018; 10:139-150. [PMID: 29288165 PMCID: PMC5801505 DOI: 10.15252/emmm.201708213] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 09/26/2017] [Accepted: 11/29/2017] [Indexed: 12/20/2022] Open
Abstract
More than 40 years ago, Howard Green's laboratory developed a method for long-term expansion of primary human epidermal keratinocytes by co-culture with 3T3 mouse embryonic fibroblasts. This was a breakthrough for in vitro cultivation of cells from human skin and later for other epithelia: it led to the first stem cell therapy using cultured cells and has vastly increased our understanding of epithelial stem cell biology. In recent years, new methods to expand epithelial cells as three-dimensional organoids have provided novel means to investigate the functions of these cells in health and disease. Here, we outline the history of stratified epithelial stem cell culture and the application of cultured epithelial cells in clinical therapies. We further discuss the derivation of organoids from other types of epithelia and the challenges that remain for the translation of novel stem cell therapies toward clinical use.
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Affiliation(s)
- Robert E Hynds
- Lungs for Living Research Centre, UCL Respiratory, University College London, London, UK
- CRUK Lung Cancer Centre of Excellence, UCL Cancer Institute, University College London, London, UK
- The Francis Crick Institute, London, UK
| | - Paola Bonfanti
- The Francis Crick Institute, London, UK
- Great Ormond Street Institute of Child Health, University College London, London, UK
- Institute of Immunity and Transplantation, University College London, London, UK
| | - Sam M Janes
- Lungs for Living Research Centre, UCL Respiratory, University College London, London, UK
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6
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Qin Z, Worthen CA, Quan T. Cell-size-dependent upregulation of HGF expression in dermal fibroblasts: Impact on human skin connective tissue aging. J Dermatol Sci 2017; 88:289-297. [PMID: 28826691 DOI: 10.1016/j.jdermsci.2017.08.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 07/05/2017] [Accepted: 08/02/2017] [Indexed: 11/29/2022]
Abstract
BACKGROUND Aged human skin is primarily attributable to loss of collagen, the main structural component of skin. Hepatocyte growth factor (HGF) acts as an anti-fibrotic factor by suppression of collagen production. It is not known whether HGF is involved in age-related collagen deficit in human skin. OBJECTIVE The objective of this study was to investigate the expression of HGF in human skin, and the underlying mechanisms of age-related elevation of HGF expression. METHODS The expression of HGF in young (25±5years, six subjects) and aged (75±6years, six subjects) human skin was determined by laser capture microdissection (LCM) coupled real-time PCR and immunohistology. The underlying mechanisms of age-related elevation of HGF were investigated by reducing dermal fibroblast size, which is a prominent feature of aged skin fibroblast in vivo. RESULTS HGF is predominantly expressed in human skin dermal fibroblasts, the major cells responsible for collagen production, and is significantly elevated in aged human skin in vivo. Mechanistically, reduced fibroblast size, which is a prominent feature of aged skin fibroblasts in vivo, is responsible for age-related elevation of HGF expression. Cell-size-dependent upregulation of HGF expression is driven by increased c-Jun and impaired TGF-β signaling. Restoration of fibroblast size normalizes increased c-Jun expression and impaired TGF-β signaling, and thus reversed the elevated HGF expression. Finally, we confirmed that application of retinoid (ROL), which has been shown to improve aged human skin, significantly reduced elevated HGF mRNA expression in aged human skin in vivo (78±4years, six subjects). CONCLUSION These data reveal a novel mechanism by which reduction of fibroblast size upregulates HGF expression, which in turn contributes to loss of collagen, a prominent feature of aged skin.
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Affiliation(s)
- Zhaoping Qin
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Christal A Worthen
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Taihao Quan
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI, USA.
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7
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Thangapazham RL, Darling TN, Meyerle J. Alteration of skin properties with autologous dermal fibroblasts. Int J Mol Sci 2014; 15:8407-27. [PMID: 24828202 PMCID: PMC4057739 DOI: 10.3390/ijms15058407] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Revised: 04/19/2014] [Accepted: 05/06/2014] [Indexed: 12/16/2022] Open
Abstract
Dermal fibroblasts are mesenchymal cells found between the skin epidermis and subcutaneous tissue. They are primarily responsible for synthesizing collagen and glycosaminoglycans; components of extracellular matrix supporting the structural integrity of the skin. Dermal fibroblasts play a pivotal role in cutaneous wound healing and skin repair. Preclinical studies suggest wider applications of dermal fibroblasts ranging from skin based indications to non-skin tissue regeneration in tendon repair. One clinical application for autologous dermal fibroblasts has been approved by the Food and Drug Administration (FDA) while others are in preclinical development or various stages of regulatory approval. In this context, we outline the role of fibroblasts in wound healing and discuss recent advances and the current development pipeline for cellular therapies using autologous dermal fibroblasts. The microanatomic and phenotypic differences of fibroblasts occupying particular locations within the skin are reviewed, emphasizing the therapeutic relevance of attributes exhibited by subpopulations of fibroblasts. Special focus is provided to fibroblast characteristics that define regional differences in skin, including the thick and hairless skin of the palms and soles as compared to hair-bearing skin. This regional specificity and functional identity of fibroblasts provides another platform for developing regional skin applications such as the induction of hair follicles in bald scalp or alteration of the phenotype of stump skin in amputees to better support their prosthetic devices.
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Affiliation(s)
- Rajesh L Thangapazham
- Department of Dermatology, Uniformed Services University of the Health Sciences, Bethesda, MD 20851, USA.
| | - Thomas N Darling
- Department of Dermatology, Uniformed Services University of the Health Sciences, Bethesda, MD 20851, USA.
| | - Jon Meyerle
- Department of Dermatology, Uniformed Services University of the Health Sciences, Bethesda, MD 20851, USA.
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Hung TH, Chen CM, Tseng CP, Shen CJ, Wang HL, Choo KB, Chong KY. FZD1 activates protein kinase C delta-mediated drug-resistance in multidrug-resistant MES-SA/Dx5 cancer cells. Int J Biochem Cell Biol 2014; 53:55-65. [PMID: 24814288 DOI: 10.1016/j.biocel.2014.04.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2013] [Revised: 01/16/2014] [Accepted: 04/10/2014] [Indexed: 12/13/2022]
Abstract
Multidrug-resistant (MDR) cancer is a major clinical problem in chemotherapy of cancer patients. We have noted inappropriate PKCδ hypomethylation and overexpression of genes in the PKCδ/AP-1 pathway in the human uterus sarcoma drug-resistant cell line, MES-SA/Dx5 cells, which also overexpress p-glycoprotein (ABCB1). Recent studies have indicated that FZD1 is overexpressed in both multidrug-resistant cancer cell lines and in clinical tumor samples. These data have led us to hypothesize that the FZD1-mediated PKCδ signal-transduction pathway may play an important role in drug resistance in MES-SA/Dx5 cells. In this work, the PKCδ inhibitor Rottlerin was found to reduce ABCB1 expression and to inhibit the MDR drug pumping ability in the MES-SA/Dx5 cells when compared with the doxorubicin-sensitive parental cell line, MES-SA. PKCδ was up-regulated with concurrent up-regulation of the mRNA levels of the AP-1-related factors, c-JUN and c-FOS. Activation of AP-1 also correlated with up-regulation of the AP-1 downstream genes HGF and EGR1. Furthermore, AP-1 activities were reduced and the AP-1 downstream genes were down-regulated in Rottlerin-treated or PKCδ shRNA-transfected cells. MES-SA/Dx5 cells were resensitized to doxorubicin-induced toxicity by co-treatment with doxorubicin and Rottlerin or PKCδ shRNA. In addition, cell viability and drug pump-out ability were significantly reduced in the FZD1 inhibitor curcumin-treated and FZD1 shRNA-knockdown MES-SA/Dx5 cells, indicating involvement of PKCδ in FZD1-modulated ABCB1 expression pathway. Taken together, our data demonstrate that FZD1 regulates PKCδ, and the PKCδ/AP-1 signalling transduction pathway plays an important role in drug resistance in MES-SA/Dx5 cells.
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Affiliation(s)
- Tsai-Hsien Hung
- Graduate Institute of Biomedical Sciences, Division of Biotechnology College of medicine, Chang Gung University,Tao-Yuan, Taiwan, Republic of China
| | - Chuan-Mu Chen
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan, Republic of China
| | - Ching-Ping Tseng
- Graduate Institute of Biomedical Sciences, Division of Biotechnology College of medicine, Chang Gung University,Tao-Yuan, Taiwan, Republic of China; Department of Medical Biotechnology and Laboratory Science, College of medicine, Chang Gung University, Tao-Yuan, Taiwan, Republic of China; Molecular Medicine Research Center, College of medicine, Chang Gung University, Tao-Yuan, Taiwan, Republic of China
| | - Chih-Jie Shen
- Department of Life Sciences, National Chung Hsing University, Taichung, Taiwan, Republic of China
| | - Hui-Ling Wang
- Department of Medical Biotechnology and Laboratory Science, College of medicine, Chang Gung University, Tao-Yuan, Taiwan, Republic of China
| | - Kong-Bung Choo
- Department of Preclinical Sciences, Faculty of Medicine and Health Sciences and Centre for Stem Cell Research, Universiti Tunku Abdul Rahman, Selangor, Malaysia
| | - Kowit Yu Chong
- Graduate Institute of Biomedical Sciences, Division of Biotechnology College of medicine, Chang Gung University,Tao-Yuan, Taiwan, Republic of China; Department of Medical Biotechnology and Laboratory Science, College of medicine, Chang Gung University, Tao-Yuan, Taiwan, Republic of China; Molecular Medicine Research Center, College of medicine, Chang Gung University, Tao-Yuan, Taiwan, Republic of China.
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Yang H, Lim YH, Yun S, Yoon AY, Kim H. A role of cell adhesion molecules and gelatinases in human serum-induced aggregation of human eyelid-derived stem cells in vitro. Dev Reprod 2013; 17:409-20. [PMID: 25949157 PMCID: PMC4382947 DOI: 10.12717/dr.2013.17.4.409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Revised: 12/15/2013] [Accepted: 12/20/2013] [Indexed: 01/18/2023]
Abstract
Human serum (HS) has been reported to induce aggregation of human eyelid adipose-derived stem cells (HEACs) during high-density culture in vitro. The present study focused on the role of cell adhesion molecules and gelatinases during HS-induced aggregation of HEACs. HS-induced aggregation occurred between 9-15 days of culture. Cells aggregated by HS medium (HS-agg) showed stronger expression of α2, α2B, αX, and CEACAM1 genes compared to non-aggregated cells in HS medium (HS-ex) or in control FBS-cultured cells. HS-agg were distinctly labeled with antibodies against α2, α2B, and αX proteins. Western blot results demonstrated that the two integrin proteins were greatly expressed in HS-agg compared to HS-ex and control FBS-cultured cells. Treatment of HEACs with anti-integrin α2 antibody during culture in HS medium delayed aggregation formation. HS-agg exhibited strong expression of MMP1 and MMP9 compared to HS-ex or FBS-cultured cells. Conditioned media from HS-culture showed remarkable increase of MMP9 gelatinolytic activity in comparison to those from FBS-culture. However, there was no change of TIMP mRNA expression in relation to the HS-induced aggregation. Based on these results, it is suggested that integrin α2, α2B, and αX, and MMP9 might play an important role in the HS-induced aggregation of HEACs.
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Affiliation(s)
- Hyejin Yang
- Department of Biotechnology, Seoul Women's University, Seoul 139-774, Republic of Korea
| | - Yoon Hwa Lim
- Department of Biotechnology, Seoul Women's University, Seoul 139-774, Republic of Korea
| | - Sujin Yun
- Department of Biotechnology, Seoul Women's University, Seoul 139-774, Republic of Korea
| | - A Young Yoon
- Department of Biotechnology, Seoul Women's University, Seoul 139-774, Republic of Korea
| | - Haekwon Kim
- Department of Biotechnology, Seoul Women's University, Seoul 139-774, Republic of Korea
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Schmitt S, Safferling K, Westphal K, Hrabowski M, Müller U, Angel P, Wiechert L, Ehemann V, Müller B, Holland-Cunz S, Stichel D, Harder N, Rohr K, Germann G, Matthäus F, Schirmacher P, Grabe N, Breuhahn K. Stathmin regulates keratinocyte proliferation and migration during cutaneous regeneration. PLoS One 2013; 8:e75075. [PMID: 24066165 PMCID: PMC3774809 DOI: 10.1371/journal.pone.0075075] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Accepted: 08/10/2013] [Indexed: 02/01/2023] Open
Abstract
Cutaneous regeneration utilizes paracrine feedback mechanisms to fine-tune the regulation of epidermal keratinocyte proliferation and migration. However, it is unknown how fibroblast-derived hepatocyte growth factor (HGF) affects these mutually exclusive processes in distinct cell populations. We here show that HGF stimulates the expression and phosphorylation of the microtubule-destabilizing factor stathmin in primary human keratinocytes. Quantitative single cell- and cell population-based analyses revealed that basal stathmin levels are important for the migratory ability of keratinocytes in vitro; however, its expression is moderately induced in the migration tongue of mouse skin or organotypic multi-layered keratinocyte 3D cultures after full-thickness wounding. In contrast, clearly elevated stathmin expression is detectable in hyperproliferative epidermal areas. In vitro, stathmin silencing significantly reduced keratinocyte proliferation. Automated quantitative and time-resolved analyses in organotypic cocultures demonstrated a high correlation between Stathmin/phospho-Stathmin and Ki67 positivity in epidermal regions with proliferative activity. Thus, activation of stathmin may stimulate keratinocyte proliferation, while basal stathmin levels are sufficient for keratinocyte migration during cutaneous regeneration.
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Affiliation(s)
- Sabrina Schmitt
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
| | - Kai Safferling
- Institute of Medical Biometry and Informatics, Section Medical Informatics, University Hospital Heidelberg, Heidelberg, Germany
| | - Kathi Westphal
- Institute of Medical Biometry and Informatics, Section Medical Informatics, University Hospital Heidelberg, Heidelberg, Germany
| | - Manuel Hrabowski
- BG-Trauma Center, Ludwigshafen, Department of Hand and Plastic Surgery, University of Heidelberg, Heidelberg, Germany
| | - Ute Müller
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
| | - Peter Angel
- Deutsches Krebsforschungszentrum, Division of Signal Transduction and Growth Control, Heidelberg, Germany
| | - Lars Wiechert
- Deutsches Krebsforschungszentrum, Division of Signal Transduction and Growth Control, Heidelberg, Germany
| | - Volker Ehemann
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
| | - Benedikt Müller
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
| | - Stefan Holland-Cunz
- Division of Pediatric Surgery, University Hospital Heidelberg, Heidelberg, Germany
| | - Damian Stichel
- Center for Modeling and Simulation in the Biosciences (BIOMS), University of Heidelberg, Heidelberg, Germany
| | - Nathalie Harder
- Biomedical Computer Vision Group (BMCV), BIOQUANT and IPMB, University of Heidelberg and DKFZ, Heidelberg, Germany
| | - Karl Rohr
- Biomedical Computer Vision Group (BMCV), BIOQUANT and IPMB, University of Heidelberg and DKFZ, Heidelberg, Germany
| | - Günter Germann
- BG-Trauma Center, Ludwigshafen, Department of Hand and Plastic Surgery, University of Heidelberg, Heidelberg, Germany
| | - Franziska Matthäus
- Center for Modeling and Simulation in the Biosciences (BIOMS), University of Heidelberg, Heidelberg, Germany
| | - Peter Schirmacher
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
| | - Niels Grabe
- Institute of Medical Biometry and Informatics, Section Medical Informatics, University Hospital Heidelberg, Heidelberg, Germany
| | - Kai Breuhahn
- Institute of Pathology, University Hospital Heidelberg, Heidelberg, Germany
- * E-mail:
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Singh A, Nascimento JM, Kowar S, Busch H, Boerries M. Boolean approach to signalling pathway modelling in HGF-induced keratinocyte migration. ACTA ACUST UNITED AC 2013; 28:i495-i501. [PMID: 22962472 PMCID: PMC3436837 DOI: 10.1093/bioinformatics/bts410] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Motivation: Cell migration is a complex process that is controlled through the time-sequential feedback regulation of protein signalling and gene regulation. Based on prior knowledge and own experimental data, we developed a large-scale dynamic network describing the onset and maintenance of hepatocyte growth factor-induced migration of primary human keratinocytes. We applied Boolean logic to capture the qualitative behaviour as well as short-and long-term dynamics of the complex signalling network involved in this process, comprising protein signalling, gene regulation and autocrine feedback. Results: A Boolean model has been compiled from time-resolved transcriptome data and literature mining, incorporating the main pathways involved in migration from initial stimulation to phenotype progress. Steady-state analysis under different inhibition and stimulation conditions of known key molecules reproduces existing data and predicts novel interactions based on our own experiments. Model simulations highlight for the first time the necessity of a temporal sequence of initial, transient MET receptor (met proto-oncogene, hepatocyte growth factor receptor) and subsequent, continuous epidermal growth factor/integrin signalling to trigger and sustain migration by autocrine signalling that is integrated through the Focal adhesion kinase protein. We predicted in silico and verified in vitro that long-term cell migration is stopped if any of the two feedback loops are inhibited. Availability: The network file for analysis with the R BoolNet library is available in the Supplementary Information. Contact:melanie.boerries@frias.uni-freiburg.de or hauke.busch@frias.uni-freiburg.de Supplementary information:Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Amit Singh
- Freiburg Institute for Advanced Studies, LifeNet, Albert-Ludwigs-University of Freiburg, Albertstrasse 19, Freiburg, Germany
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Gatti S, Leo C, Gallo S, Sala V, Bucci E, Natale M, Cantarella D, Medico E, Crepaldi T. Gene expression profiling of HGF/Met activation in neonatal mouse heart. Transgenic Res 2012; 22:579-93. [DOI: 10.1007/s11248-012-9667-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Accepted: 10/11/2012] [Indexed: 12/15/2022]
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13
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Guziolowski C, Kittas A, Dittmann F, Grabe N. Automatic generation of causal networks linking growth factor stimuli to functional cell state changes. FEBS J 2012; 279:3462-74. [PMID: 22540519 DOI: 10.1111/j.1742-4658.2012.08616.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Despite the increasing number of growth factor-related signalling networks, their lack of logical and causal connection to factual changes in cell states frequently impairs the functional interpretation of microarray data. We present a novel method enabling the automatic inference of causal multi-layer networks from such data, allowing the functional interpretation of growth factor stimulation experiments using pathway databases. Our environment of evaluation was hepatocyte growth factor-stimulated cell migration and proliferation in a keratinocyte-fibroblast co-culture. The network for this system was obtained by applying the steps: (a) automatic integration of the comprehensive set of all known cellular networks from the Pathway Interaction Database into a master structure; (b) retrieval of an active-network from the master structure, where the network edges that connect nodes with an absent mRNA level were excluded; and (c) reduction of the active-network complexity to a causal subnetwork from a set of seed nodes specific for the microarray experiment. The seed nodes comprised the receptors stimulated in the experiment, the consequently differentially expressed genes, and the expected cell states. The resulting network shows how well-known players, in the context of hepatocyte growth factor stimulation, are mechanistically linked in a pathway triggering functional cell state changes. Using BIOQUALI, we checked and validated the consistency of the network with respect to microarray data by computational simulation. The network has properties that can be classified into different functional layers because it not only shows signal processing down to the transcriptional level, but also the modulation of the network structure by the preceeding stimulation. The software for generating computable objects from the Pathway Interaction Database database, as well as the generated networks, are freely available at: http://www.tiga.uni-hd.de/supplements/inferringFromPID.html.
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Affiliation(s)
- Carito Guziolowski
- Hamamatsu Tissue Imaging and Analysis (TIGA) Center, BIOQUANT, University Heidelberg, Germany
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LeBlanc S, Arabzadeh A, Benlolo S, Breton V, Turbide C, Beauchemin N, Nouvion AL. CEACAM1 deficiency delays important wound healing processes. Wound Repair Regen 2012; 19:745-52. [PMID: 22092845 DOI: 10.1111/j.1524-475x.2011.00742.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Cutaneous wound healing is a complex process that requires the coordination of many cell types to achieve proper tissue repair. Four major overlapping processes have been identified in wound healing: hemostasis, inflammation, reepithelialization and granulation tissue formation, and tissue remodeling. Carcinoembryonic antigen-related cell adhesion molecule 1 (CEACAM1) is a glycoprotein expressed in epithelial, endothelial, lymphoid, and myeloid cells. Given its known roles in angiogenesis, cell migration, and immune functions, we hypothesized that CEACAM1 might also be involved in cutaneous wound healing and that a number of relevant CEACAM1-positive cell types might contribute to wound healing. To evaluate the role of CEACAM1 in these processes, 6-mm-diameter skin wounds were inflicted on Ceacam1(-/-) and wild-type mice. Herein, we demonstrate that CEACAM1 deletion indeed affects wound healing in three key ways. Infiltration of F4/80(+) macrophages was decreased in Ceacam1(-/-) wounds, altering inflammatory processes. Reepithelialization in Ceacam1(-/-) wounds was delayed. Furthermore, the vascular density of the granulation tissue in Ceacam1(-/-) wounds was significantly diminished. These results confirm CEACAM1's role as an important regulator of key processes in cutaneous wound healing, although whether this works via a specific cell type or alterations in the functioning of multiple processes remains to be determined.
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Affiliation(s)
- Sarah LeBlanc
- Rosalind and Morris Goodman Cancer Research Centre, McGill University, Montreal, Quebec, Canada
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Liu GX, Xie Q, Zhou CJ, Zhang XY, Ma BL, Wang CQ, Wei FC, Qu X, Sun SZ. The possible roles of OPN-regulated CEACAM1 expression in promoting the survival of activated T cells and the apoptosis of oral keratinocytes in oral lichen planus patients. J Clin Immunol 2011; 31:827-39. [PMID: 21671129 DOI: 10.1007/s10875-011-9552-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Accepted: 05/24/2011] [Indexed: 10/18/2022]
Abstract
Oral lichen planus is a chronic inflammatory disorder of the oral mucosa that represents T cell-mediated autoimmune diseases. The regulation and roles of carcinoembryonic antigen-related cellular adhesion molecule 1 (CEACAM1), a novel immune molecule, in the immunopathogenesis of T cell-mediated autoimmune diseases remain unclear. In the current paper, CEACAM1 was found to be overexpressed in peripheral T cells and epithelial cells in oral lichen planus patients. A fraction of infiltrating inflammatory mononuclear cells in the lamina propria of the oral lichen planus mucosa also expressed CEACAM1. Importantly, for the first time, CEACAM1 expression in T cells and in normal human oral keratinocytes was demonstrated to be regulated differently by osteopontin in vitro. Furthermore, the apoptosis of oral keratinocytes and activated T cells can be markedly suppressed by CEACAM1-specific monoclonal antibodies. In conclusion, OPN-regulated CEACAM1 expression may play a critical role in the immunopathogenesis of oral lichen planus.
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Affiliation(s)
- Gui-Xiang Liu
- Department of Pathology, Stomatology College of Shandong University, 44-1#, Wenhua Xi Road, Jinan, Shandong, 250012, People's Republic of China
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Yan G, Sun H, Wang F, Wang J, Wang F, Zou Z, Cheng T, Ai G, Su Y. Topical application of hPDGF-A-modified porcine BMSC and keratinocytes loaded on acellular HAM promotes the healing of combined radiation-wound skin injury in minipigs. Int J Radiat Biol 2011; 87:591-600. [DOI: 10.3109/09553002.2011.570854] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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