1
|
Guo Q, Ji X, Zhang L, Liu X, Wang Y, Liu Z, Jin J, Han Y, Liu H. Differences in the response of normal oral mucosa, oral leukoplakia, oral squamous cell carcinoma-derived mesenchymal stem cells, and epithelial cells to photodynamic therapy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 255:112907. [PMID: 38677259 DOI: 10.1016/j.jphotobiol.2024.112907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 03/24/2024] [Accepted: 04/12/2024] [Indexed: 04/29/2024]
Abstract
OBJECTIVE The objective of this study is to investigate the variances in transcriptome gene expression of normal oral mucosa-derived mesenchymal stem cell (OM-MSC), oral leukoplakia-derived MSC (OLK-MSC) and oral squamous cell carcinoma-derived MSC(OSCC-MSC). as Additionally, the study aims to compare the in vitro proliferation, migration, invasion ability, and response to photodynamic therapy (PDT) of these three MSC, HOK, DOK, leuk1, and Cal27 cell lines. METHODS HOK, DOK, leuk1, Cal27 cells were cultured in vitro. 3 MSC cells were obtained from OM, OLK, OSCC tissue (n = 3) and identified through flow cytometry. They were also cultured in vitro for osteogenic and lipogenic-induced differentiation. Based on the Illumina HiSeq high-throughput sequencing platform, OM-MSC, OLK-MSC, OSCC-MSC (n = 3) were subjected to transcriptome sequencing, functional annotation, and enrichment analysis of differentially expressed genes and related genes. CCK8 assay, wound healing assay, and transwell assay were performed to compare the proliferation, migration, and invasion of the seven types of cells. The 7 cells were incubated with 0, 0.125 mM, 0.25 mM, 0.5 mM, 1 mM, and 2 mM of the photosensitizer (5-aminolevulinic acid, 5-ALA) in vitro. Subsequently, they were irradiated with a 150 mM, 635 nm laser for 1 min, and the cell activity was detected using the CCK8 assay after 24 h. The mitochondrial changes in the 7 cells before and after the treatment of PDT were detected using the JC-10 probe, and the changes in ATP content were measured before and after the PDT treatment. RESULTS OM-MSC, OLK-MSC, and OSCC-MSC expressed positive MSC surface markers. After osteogenic and lipogenic-induced differentiation culture, stained calcium nodules and lipid droplets were visible, meeting the identification criteria of MSC. Pathway enrichment analysis revealed that the differentially expressed genes (DEGs) of OSCC-MSC compared to OLK-MSC were primarily associated with the PI3K-Akt signaling pathway and tumor-related pathways. OSCC-MSC exhibited stronger migratory and invasive abilities compared to Cal27. The IC50 values required for OM, OLK, and OSCC-derived MSC were lower than those required for epithelial cells treated with PDT, which were 1.396 mM, 0.9063 mM, and 2.924 mM, respectively. Cell membrane and mitochondrial disruption were observed in seven types of cells after 24 h of PDT treatment. However, HOK, DOK, leuk1, and Cal27 cells had an ATP content increased. CONCLUSIONS OLK, OSCC epithelial cells require higher concentrations of 5-ALA for PDT treatment than MSC of the same tissue origin. The concentration of 5-ALA required increases with increasing cell malignancy. Differences in the response of epithelial cells and MSC to PDT treatment may have varying impacts on OLK recurrence and malignancy.
Collapse
Affiliation(s)
- Qianyun Guo
- Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Xiaoli Ji
- Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, China; Central Hospital of Shandong First Medical University, Shandong, China
| | - Lei Zhang
- Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Xingyun Liu
- Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Yutian Wang
- Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Zijian Liu
- Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, China; Stomatological Hospital of Xiamen Medical College, Xiamen Key Laboratory of Stomatological Disease Diagnosis and Treatment, Fujian, China
| | - Jianqiu Jin
- Beijing Hospital, National Center of Gerontology, Department of Stomatology, Chinese Academy of Medical Sciences, Institute of Geriatric Medicine, Beijing, China
| | - Ying Han
- Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, China
| | - Hongwei Liu
- Department of Oral Medicine, Peking University School and Hospital of Stomatology & National Center of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, NMPA Key Laboratory for Dental Materials, Beijing, China.
| |
Collapse
|
2
|
Santilli F, Fabrizi J, Santacroce C, Caissutti D, Spinello Z, Candelise N, Lancia L, Pulcini F, Delle Monache S, Mattei V. Analogies and Differences Between Dental Stem Cells: Focus on Secretome in Combination with Scaffolds in Neurological Disorders. Stem Cell Rev Rep 2024; 20:159-174. [PMID: 37962698 PMCID: PMC10799818 DOI: 10.1007/s12015-023-10652-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2023] [Indexed: 11/15/2023]
Abstract
Mesenchymal stem cells (MSCs) are well known for their beneficial effects, differentiation capacity and regenerative potential. Dental-derived MSCs (DSCs) are more easily accessible and have a non-invasive isolation method rather than MSCs isolated from other sources (umbilical cord, bone marrow, and adipose tissue). In addition, DSCs appear to have a relevant neuro-regenerative potential due to their neural crest origin. However, it is now known that the beneficial effects of MSCs depend, at least in part, on their secretome, referring to all the bioactive molecules (neurotrophic factors) released in the conditioned medium (CM) or in the extracellular vesicles (EVs) in particular exosomes (Exos). In this review, we described the similarities and differences between various DSCs. Our focus was on the secretome of DSCs and their applications in cell therapy for neurological disorders. For neuro-regenerative purposes, the secretome of different DSCs has been tested. Among these, the secretome of dental pulp stem cells and stem cells from human exfoliated deciduous teeth have been the most widely studied. Both CM and Exos obtained from DSCs have been shown to promote neurite outgrowth and neuroprotective effects as well as their combination with scaffold materials (to improve their functional integration in the tissue). For these reasons, the secretome obtained from DSCs in combination with scaffold materials may represent a promising tissue engineering approach for neuroprotective and neuro-regenerative treatments.
Collapse
Affiliation(s)
- Francesca Santilli
- Biomedicine and Advanced Technologies Rieti Center, "Sabina Universitas", Via A.M. Ricci 35/A, 02100, Rieti, Italy
| | - Jessica Fabrizi
- Department of Experimental Medicine, "Sapienza" University, Viale Regina Elena 324, 00161, Rome, Italy
| | - Costantino Santacroce
- Biomedicine and Advanced Technologies Rieti Center, "Sabina Universitas", Via A.M. Ricci 35/A, 02100, Rieti, Italy
| | - Daniela Caissutti
- Department of Experimental Medicine, "Sapienza" University, Viale Regina Elena 324, 00161, Rome, Italy
| | - Zaira Spinello
- Department of Experimental Medicine, "Sapienza" University, Viale Regina Elena 324, 00161, Rome, Italy
| | - Niccolò Candelise
- National Center for Drug Research and Evaluation, Istituto Superiore di Sanità, Viale Regina Elena, 29900161, Rome, Italy
| | - Loreto Lancia
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Via Vetoio, 67100, L'Aquila, Italy
| | - Fanny Pulcini
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Via Vetoio, 67100, L'Aquila, Italy
| | - Simona Delle Monache
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, Via Vetoio, 67100, L'Aquila, Italy.
| | - Vincenzo Mattei
- Dipartimento di Scienze della Vita, della Salute e delle Professioni Sanitarie, Link Campus University, Via del Casale di San Pio V 44, 00165, Rome, Italy.
| |
Collapse
|
3
|
Samadi A, Moammeri A, Pourmadadi M, Abbasi P, Hosseinpour Z, Farokh A, Shamsabadipour A, Heydari M, Mohammadi MR. Cell Encapsulation and 3D Bioprinting for Therapeutic Cell Transplantation. ACS Biomater Sci Eng 2023; 9:1862-1890. [PMID: 36877212 DOI: 10.1021/acsbiomaterials.2c01183] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
Abstract
The promise of cell therapy has been augmented by introducing biomaterials, where intricate scaffold shapes are fabricated to accommodate the cells within. In this review, we first discuss cell encapsulation and the promising potential of biomaterials to overcome challenges associated with cell therapy, particularly cellular function and longevity. More specifically, cell therapies in the context of autoimmune disorders, neurodegenerative diseases, and cancer are reviewed from the perspectives of preclinical findings as well as available clinical data. Next, techniques to fabricate cell-biomaterials constructs, focusing on emerging 3D bioprinting technologies, will be reviewed. 3D bioprinting is an advancing field that enables fabricating complex, interconnected, and consistent cell-based constructs capable of scaling up highly reproducible cell-biomaterials platforms with high precision. It is expected that 3D bioprinting devices will expand and become more precise, scalable, and appropriate for clinical manufacturing. Rather than one printer fits all, seeing more application-specific printer types, such as a bioprinter for bone tissue fabrication, which would be different from a bioprinter for skin tissue fabrication, is anticipated in the future.
Collapse
Affiliation(s)
- Amirmasoud Samadi
- Department of Chemical and Biomolecular Engineering, 6000 Interdisciplinary Science & Engineering Building (ISEB), Irvine, California 92617, United States
| | - Ali Moammeri
- School of Chemical Engineering, College of Engineering, University of Tehran, Enghelab Square, 16 Azar Street, Tehran 1417935840, Iran
| | - Mehrab Pourmadadi
- School of Chemical Engineering, College of Engineering, University of Tehran, Enghelab Square, 16 Azar Street, Tehran 1417935840, Iran
| | - Parisa Abbasi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Azadi Avenue, Tehran 1458889694, Iran
| | - Zeinab Hosseinpour
- Biotechnology Research Laboratory, Faculty of Chemical Engineering, Babol Noshirvani University of Technology, Babol 4714871167, Mazandaran Province, Iran
| | - Arian Farokh
- School of Chemical Engineering, College of Engineering, University of Tehran, Enghelab Square, 16 Azar Street, Tehran 1417935840, Iran
| | - Amin Shamsabadipour
- School of Chemical Engineering, College of Engineering, University of Tehran, Enghelab Square, 16 Azar Street, Tehran 1417935840, Iran
| | - Maryam Heydari
- Department of Cell and Molecular Biology, Faculty of Biological Science, University of Kharazmi, Tehran 199389373, Iran
| | - M Rezaa Mohammadi
- Dale E. and Sarah Ann Fowler School of Engineering, Chapman University, Orange, California 92866, United States
| |
Collapse
|
4
|
Karami Fath M, Moayedi Banan Z, Barati R, Mohammadrezakhani O, Ghaderi A, Hatami A, Ghiabi S, Zeidi N, Asgari K, Payandeh Z, Barati G. Recent advancements to engineer mesenchymal stem cells and their extracellular vesicles for targeting and destroying tumors. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2023; 178:1-16. [PMID: 36781149 DOI: 10.1016/j.pbiomolbio.2023.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 01/24/2023] [Accepted: 02/10/2023] [Indexed: 02/13/2023]
Abstract
Mesenchymal stem cells (MSCs) have the ability to migrate into tumor sites and release growth factors to modulate the tumor microenvironment. MSC therapy have shown a dual role in cancers, promoting or inhibiting. However, MSCs could be used as a carrier of anticancer agents for targeted tumor therapy. Recent technical improvements also allow engineering MSCs to improve tumor-targeting properties, protect anticancer agents, and decrease the cytotoxicity of drugs. While some of MSC functions are mediated through their secretome, MSCs-derived extracellular vesicles (EVs) are also proposed as a possible viechle for cancer therapy. EVs allow efficient loading of anticancer agents and have an intrinsic ability to target tumor cells, making them suitable for targeted therapy of tumors. In addition, the specificity and selectivity of EVs to the tumor sites could be enhanced by surface modification. In this review, we addressed the current approaches used for engineering MSCs and EVs to effectively target tumor sites and deliver anticancer agents.
Collapse
Affiliation(s)
- Mohsen Karami Fath
- Department of Cellular and Molecular Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Zahra Moayedi Banan
- School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Barati
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Omid Mohammadrezakhani
- Faculty of Pharmacy, Ramsar Campus, Mazandaran University of Medical Sciences, Sari, Iran
| | - Aliasghar Ghaderi
- Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Hatami
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shamim Ghiabi
- Department of Medical Chemistry, Faculty of Pharmacy, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Nazanin Zeidi
- Division of Pharmaceutical Science, Long Island University, Brooklyn, NY, USA
| | - Katayoon Asgari
- Department of Clinical Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Payandeh
- Department Medical Biochemistry and Biophysics, Division Medical Inflammation Research, Karolinska Institute, Stockholm, Sweden
| | | |
Collapse
|
5
|
Opposing MMP-9 Expression in Mesenchymal Stromal Cells and Head and Neck Tumor Cells after Direct 2D and 3D Co-Culture. Int J Mol Sci 2023; 24:ijms24021293. [PMID: 36674806 PMCID: PMC9861345 DOI: 10.3390/ijms24021293] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/23/2022] [Accepted: 01/07/2023] [Indexed: 01/11/2023] Open
Abstract
Bone marrow-derived mesenchymal stromal cells (BMSCs) respond to a variety of tumor cell-derived signals, such as inflammatory cytokines and growth factors. As a result, the inflammatory tumor microenvironment may lead to the recruitment of BMSCs. Whether BMSCs in the tumor environment are more likely to promote tumor growth or tumor suppression is still controversial. In our experiments, direct 3D co-culture of BMSCs with tumor cells from the head and neck region (HNSCC) results in strong expression and secretion of MMP-9. The observed MMP-9 secretion mainly originates from BMSCs, leading to increased invasiveness. In addition to our in vitro data, we show in vivo data based on the chorioallantoic membrane (CAM) model. Our results demonstrate that MMP-9 induces hemorrhage and increased perfusion in BMSC/HNSCC co-culture. While we had previously outlined that MMP-9 expression and secretion originate from BMSCs, our data showed a strong downregulation of MMP-9 promoter activity in HNSCC cells upon direct contact with BMSCs using the luciferase activity assay. Interestingly, the 2D and 3D models of direct co-culture suggest different drivers for the downregulation of MMP-9 promoter activity. Whereas the 3D model depicts a BMSC-dependent downregulation, the 2D model shows cell density-dependent downregulation. In summary, our data suggest that the direct interaction of HNSCC cells and BMSCs promotes tumor progression by significantly facilitating angiogenesis via MMP-9 expression. On the other hand, data from 3D and 2D co-culture models indicate opposing regulation of the MMP-9 promoter in tumor cells once stromal cells are involved.
Collapse
|
6
|
Li S, Han Y, Lu M, Liu Z, Jin J, Guo Q, Wang Y, Liu H. Mesenchymal stem cell‐exosome‐mediated matrix metalloproteinase 1 participates in oral leukoplakia and carcinogenesis by inducing angiogenesis. J Oral Pathol Med 2022; 51:638-648. [PMID: 35792829 DOI: 10.1111/jop.13321] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 02/04/2022] [Accepted: 02/10/2022] [Indexed: 11/30/2022]
Affiliation(s)
- Shufang Li
- Department of Oral Medicine Peking University School and Hospital of Stomatology Beijing China
| | - Ying Han
- Department of Oral Medicine Peking University School and Hospital of Stomatology Beijing China
| | - Mingxing Lu
- Department of Oral Medicine Peking University School and Hospital of Stomatology Beijing China
| | - Zijian Liu
- Department of Oral Medicine Peking University School and Hospital of Stomatology Beijing China
| | - Jianqiu Jin
- Department of Stomatology Beijing Hospital, National Center of Gerontology Beijing China
| | - Qianyun Guo
- Department of Oral Medicine Peking University School and Hospital of Stomatology Beijing China
| | - Yixiang Wang
- Department of Central Laboratory Peking University School and Hospital of Stomatology Beijing China
| | - Hongwei Liu
- Department of Oral Medicine Peking University School and Hospital of Stomatology Beijing China
| |
Collapse
|
7
|
Yang T, Tang S, Peng S, Ding G. The Effects of Mesenchymal Stem Cells on Oral Cancer and Possible Therapy Regime. Front Genet 2022; 13:949770. [PMID: 35846142 PMCID: PMC9280436 DOI: 10.3389/fgene.2022.949770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Accepted: 06/10/2022] [Indexed: 11/13/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are characterized by self-renewal, rapid proliferation, multipotent differentiation, and low immunogenicity. In addition, the tropism of MSCs towards injured tissues and tumor lesions makes them attractive candidates as cell carriers for therapeutic agent delivery and genetic material transfer. The interaction between tumor cells and MSCs in the tumor microenvironment plays an important role in tumor progression. Oral cancer is one of the most common malignant diseases in the head and neck. Although considerable improvements in the treatment of oral cancer were achieved, more effective and safer novel agents and treatments are still needed, and deeper studies on the etiology, pathology, and treatment of the oral cancer are desirable. In the past decades, many studies have reported the beneficial effects of MSCs-based therapies in the treatment of various diseases, including oral cancers. Meanwhile, other studies demonstrated that MSCs may enhance the growth and metastasis of oral cancer. In this paper, we reviewed the research progress of the effects of MSCs on oral cancers, the underlying mechanisms, and their potential applications in the treatment of oral cancers.
Collapse
|
8
|
de Miranda MC, Melo MIAD, Cunha PDS, Gentilini J, Faria JAQA, Rodrigues MA, Gomes DA. Roles of mesenchymal stromal cells in the head and neck cancer microenvironment. Biomed Pharmacother 2021; 144:112269. [PMID: 34794230 PMCID: PMC8630686 DOI: 10.1016/j.biopha.2021.112269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/18/2021] [Accepted: 09/27/2021] [Indexed: 10/19/2022] Open
Abstract
Head and neck cancer (HNC), a common malignancy worldwide, is associated with high morbidity and mortality rates. Squamous cell carcinoma is the most common HNC type, followed by salivary gland carcinomas, head and neck sarcomas, and lymphomas. The microenvironment of HNCs comprises various cells that regulate tumor development. Recent studies have reported that the tumor microenvironment, which modulates cancer progression, regulates cancer treatment response. However, the presence of different types of stromal cells in cancers is a major challenge to elucidate the role of individual cells in tumor progression. The role of mesenchymal stromal cells (MSCs), which are a component of the tumor microenvironment, in HNC is unclear. The major impediment for characterizing the role of MSCs in cancer progression is the lack of MSC-specific markers and their phenotypic similarity with stromal cells. This review aimed to summarize the latest findings on the role of MSCs in the progression of HNC to improve our understanding of HNC pathophysiology.
Collapse
Affiliation(s)
- Marcelo Coutinho de Miranda
- Biochemistry and Immunology Department, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Minas Gerais, Brazil.
| | - Mariane Izabella Abreu de Melo
- Biochemistry and Immunology Department, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Minas Gerais, Brazil
| | - Pricila da Silva Cunha
- Biochemistry and Immunology Department, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Minas Gerais, Brazil
| | - Jovino Gentilini
- Biochemistry and Immunology Department, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Minas Gerais, Brazil
| | | | - Michele Angela Rodrigues
- Department of General Pathology, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Minas Gerais, Brazil
| | - Dawidson Assis Gomes
- Biochemistry and Immunology Department, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Minas Gerais, Brazil
| |
Collapse
|
9
|
Mai Z, Chen H, Ye Y, Hu Z, Sun W, Cui L, Zhao X. Translational and Clinical Applications of Dental Stem Cell-Derived Exosomes. Front Genet 2021; 12:750990. [PMID: 34764982 PMCID: PMC8576041 DOI: 10.3389/fgene.2021.750990] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 10/07/2021] [Indexed: 12/12/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are promising seed cells in tissue repair and regeneration due to their featured properties of self-renewal and multipotency. However, a growing body of evidence has demonstrated that MSCs exert biological functions mainly through secreting exosomes. Exosomes, which contain RNA, proteins, lipids, and metabolites, are new players in regulating many fundamental processes and play important roles in regenerative medicine. Exosomes not only mimic the effects of their parent cells but also possess many advantages such as high drug loading capacity, low immunogenicity, excellent biocompatibility, and low side effects. Currently, a total of 6 different dental stem cells (DSCs) including dental pulp stem cells (DPSCs), stem cells from exfoliated deciduous teeth (SHEDs), periodontal ligament stem cells (PDLSCs), dental follicle progenitor cells (DFPCs), stem cells from apical papilla (SCAPs) and gingival mesenchymal stem cells (GMSCs) have been isolated and identified. DSC-derived exosomes (DSC-Exos) are actively involved in intercellular communication, anti-inflammation, osteogenesis, angiogenesis, immunomodulation, nurturing neurons, and promoting tumor cell apoptosis. In this review, we will critically review the emerging role and clinical application potential of DSC-Exos.
Collapse
Affiliation(s)
- Zizhao Mai
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Huan Chen
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Yu Ye
- Institute of Stomatology, Nanjing Medical University, Nanjing, China.,Key Laboratory of Oral Diseases of Jiangsu Province, Stomatological Institute, Nanjing Medical University, Nanjing, China
| | - Ziyu Hu
- Department of Pediatrics, Nanjing Jinling Stomatology Hospital, Nanjing, China
| | - Wenjuan Sun
- Department of Stomatology, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Li Cui
- Stomatological Hospital, Southern Medical University, Guangzhou, China.,UCLA School of Dentistry, Los Angeles, CA, United States
| | - Xinyuan Zhao
- Stomatological Hospital, Southern Medical University, Guangzhou, China
| |
Collapse
|
10
|
Raj AT, Kheur S, Bhonde R, Mani VR, Baeshen HA, Patil S. Assessing the effect of human dental pulp mesenchymal stem cell secretome on human oral, breast, and melanoma cancer cell lines. Saudi J Biol Sci 2021; 28:6556-6567. [PMID: 34764771 PMCID: PMC8568833 DOI: 10.1016/j.sjbs.2021.07.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 06/25/2021] [Accepted: 07/06/2021] [Indexed: 12/28/2022] Open
Abstract
Background The secretome of the dental pulp mesenchymal stem cells (DPMSCS-S) have an array of regenerative potential and could aid in the rehabilitation of cancer patients post-therapeutic interventions, although caution is required as DPMSC-S have shown to augment prostate cancer cells. Thus, it is vital to assess if these pro-carcinogenic effects extend to other cancer types. Objective To assess if DPMSC-S has any pro-carcinogenic effect on oral cancer, breast cancer, and melanoma cell lines. Materials and methods Conditioned media obtained from the isolated and characterized DPMSC (DPMSC-CM) were profiled using bead-based multiplex assay. AW13515 (oral cancer), MDA-MB-231 (breast cancer), and A-375 (melanoma) cell lines were exposed to 20%, 50%, and 100% DPMSC-CM for 24, 48, and 72 h. DPMSC-CM effect on the cancer cell properties and secretome were assessed. Results DPMSC-CM augmented invasion, adhesion, multi-drug resistance, DNA repair, and mitochondrial repair in AW13516 through upregulation of growth factors Ang-2, EGF, M−CSF, PDGF-AA, PDGF-BB, pro-inflammatory cytokines TNF-α, IL-2, downregulation of anti-inflammatory cytokine TGF-β1, and pro-inflammatory cytokine IL-4. In MDA-MB-231, invasion, and multi-drug resistance were augmented through upregulation of growth factors EGF, EPO, G-CSF, HGF, M−CSF, PDGF-AA, and pro-inflammatory cytokine TNF-α, CXCL10, IL-12p70. EMT, invasion, migration, and adhesion were augmented in A-375 through upregulation of growth factors Ang-2, EGF, PDGF-BB, TGF-α, pro-inflammatory cytokines TNF-α, and IL-17A. Conclusion DPMSC-CM can augment the carcinogenic properties of oral cancer, breast cancer, and melanoma cells, further animal model studies are required to validate our in-vitro findings.
Collapse
Affiliation(s)
- A Thirumal Raj
- Department of Oral Pathology and Microbiology, Dr.D.Y.Patil Dental College and Hospital, Dr.D.Y.Patil Vidyapeeth, Pune, India
| | - Supriya Kheur
- Department of Oral Pathology and Microbiology, Dr.D.Y.Patil Dental College and Hospital, Dr.D.Y.Patil Vidyapeeth, Pune, India
| | | | - Vishnu R Mani
- Division of Trauma, Acute and Critical Care Surgery, Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, The United States of America
| | - Hosam Ali Baeshen
- Department of Orthodontics, College of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia
| |
Collapse
|
11
|
Emerging approaches of wound healing in experimental models of high-grade oral mucositis induced by anticancer therapy. Oncotarget 2021; 12:2283-2299. [PMID: 34733419 PMCID: PMC8555685 DOI: 10.18632/oncotarget.28091] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 09/24/2021] [Indexed: 01/22/2023] Open
Abstract
Clinical guidelines for oral mucositis (OM) still consist in palliative care. Herein, we summarize cellular and molecular mechanisms of OM ulceration in response to chemical therapies in animal models. We discuss evidenced anti-inflammatory and anti-oxidant drugs which have not been ever used for OM, such as synthetic peptides as well as cell therapy with mesenchymal stem cells; amniotic membranes, mucoadhesive polymers loaded with anti-inflammatory agents and natural or synthetic electrospun. These approaches have been promising to allow the production of drug-loaded membranes, scaffolds for cells encapsulation or guided tissue regeneration.
Collapse
|
12
|
Ji X, Sun T, Xie S, Qian H, Song L, Wang L, Liu H, Feng Q. Upregulation of CPNE7 in mesenchymal stromal cells promotes oral squamous cell carcinoma metastasis through the NF-κB pathway. Cell Death Discov 2021; 7:294. [PMID: 34650058 PMCID: PMC8516970 DOI: 10.1038/s41420-021-00684-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 09/01/2021] [Accepted: 09/27/2021] [Indexed: 02/07/2023] Open
Abstract
A remarkable shift in Mesenchymal stromal cells (MSCs) plays an important role in cancer metastasis, but the molecular mechanism is still unclear. CPNE7, a calcium-dependent phospholipid-binding protein, mediates signal transduction and metastasis in many tumours. Here, we demonstrated that MSCs derived from OSCC (OSCC-MSCs) promoted the metastasis of OSCC cells by transwell assay and animal models through epithelial to mesenchymal transition (EMT) (p < 0.05). RNA-sequencing, ELISA, neutralizing antibody and CXCR2 inhibitor assay confirmed that CXCL8 secreted by OSCC-MSCs was associated with the upregulated expression of CPNE7 by immunohistochemical and western blotting (p < 0.05). This is mechanistically linked to the activation of CPNE7 to NF-κB pathway-induced metastasis, including phosphorylated p65 and IκBa. CPNE7 silencing inhibited metastatic abilities and the expression of CXCL8, phosphorylated p65, IκBa, and p65 nuclear translocation by western blotting and immunofluorescence, while CPNE7 overexpression markedly promoted these events (p < 0.05). We also identified that Nucleolin could be bind CPNE7 and IκBa by co-immunoprecipitation. Together, our results suggest that upregulation of CPNE7 in MSCs interacted with surface receptor -Nucleolin and then combined with IκBa to promoted phosphorylated IκBa and p65 nuclear translocation to active NF-κB pathway, and then regulates CXCL8 secretion to promote the metastasis of OSCC cells. Therefore, CPNE7 in MSCs could be promising therapeutic targets in OSCC.
Collapse
Affiliation(s)
- Xiaoli Ji
- Department of Stomatology, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, No.105 Jiefang Road, Jinan, 250013, Shandong, China. .,Department of Oral Mucosal Diseases, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China. .,Department of Human Microbiome, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China.
| | - Tianyong Sun
- Department of Human Microbiome, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China
| | - Shang Xie
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology, 22 Zhongguancun South Avenue, Haidian, Beijing, 100081, China
| | - Hua Qian
- Department of Stomatology, The Second Hospital of Shandong University, No. 247 Beiyuan Road, Jinan, 250033, China
| | - Lixiang Song
- Department of Pediatric Dentistry, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China
| | - Lihua Wang
- Department of Human Microbiome, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China
| | - Hongwei Liu
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, 22 Zhongguancun South Avenue, Haidian, Beijing, 100081, China.
| | - Qiang Feng
- Department of Human Microbiome, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Provincial Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China. .,NHC Key Laboratory of Otorhinolaryngology (Shandong University), No.44-1 Wenhua Road West, Jinan, Shandong, China, 250012.
| |
Collapse
|
13
|
Raj AT, Kheur S, Bhonde R, Gupta AA, Patil S. Assessing the effect of human mesenchymal stem cell-derived conditioned media on human cancer cell lines: A systematic review. Tissue Cell 2021; 71:101505. [PMID: 33582384 DOI: 10.1016/j.tice.2021.101505] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 01/29/2021] [Accepted: 01/31/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) exhibit differential effect (augmentation or inhibition) on cancer cells depending on the tissue of origin. Given the increasing demand to use MSCs in regenerative medicine, it is vital to ensure that the MSCs being employed are not pro-carcinogenic. OBJECTIVE To assess the effect of human MSC derived conditioned media (CM) on human cancer cell lines. MATERIALS AND METHODS PubMed, SCOPUS, and Web of Science were searched using the keyword combination 'human mesenchymal stem cell and conditioned media and human cancer cell line and in-vitro'. RESULTS MSC-CM pro-carcinogenic molecules were IL-6, IL-8, FGF10, VEGF, PDGF, TGF-b1, IGF-1, GRO-a, OSP, MMPs, TNFα, IL-4, IL-10, IL-13, IL-17, IL-1 β, G-CSF, MCP‑1, MIP‑1α, MIP‑1β, RANTES, MIG, IP‑10, HGFa, ETX, DKK1; anti-carcinogenic molecules were IFN-β, OST, LIGHT, FRTK3, INF-γ, IP-10, LAP, IL‑1RA, IL‑2, IL-5, IL-7, IL-12, IL-15, IFN-α, IFN‑γ. Effector pathways were STAT 1, JAK2/STAT3, Ras-Raf-MEK-ERK, Wnt/β-catenin, NF-κB, ERK1/2, PI3K/ Akt/mTOR, MAPK/ERK. BMSC, ADMSC, UCMSC, WJMSC DPMSC, AMSC, and UTCMSC had a differential effect on carcinogenesis. GMSC, LMSC, FDMSC were anti-carcinogenic. OMSC was pro-carcinogenic. CONCLUSION Use of MSC-CM with a pro-carcinogenic effect must be restricted in cancer patients irrespective of the nature of the application.
Collapse
Affiliation(s)
- A Thirumal Raj
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pune, India.
| | - Supriya Kheur
- Department of Oral Pathology and Microbiology Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pune, India.
| | | | - Archana A Gupta
- Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pune, India.
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Science, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia.
| |
Collapse
|
14
|
Eiro N, Fraile M, Fernández-Francos S, Sánchez R, Costa LA, Vizoso FJ. Importance of the origin of mesenchymal (stem) stromal cells in cancer biology: "alliance" or "war" in intercellular signals. Cell Biosci 2021; 11:109. [PMID: 34112253 PMCID: PMC8194017 DOI: 10.1186/s13578-021-00620-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 05/31/2021] [Indexed: 12/14/2022] Open
Abstract
Mesenchymal stem cells (MSCs) play a central role in the intercellular signaling within the tumor microenvironment (TME), exchanging signals with cancer cells and tumor stromal cells, such as cancer-associated fibroblasts and inflammatory mononuclear cells. Research attributes both pro-tumor and anti-tumor actions to MSCs; however, evidence indicates that MSCs specific effect on the tumor depends on the source of the MSCs and the type of tumor. There are consistent data proving that MSCs from reproductive tissues, such as the uterus, umbilical cord or placenta, have potent anti-tumor effects and tropism towards tumor tissues. More interestingly, products derived from MSCs, such as secretome or extracellular vesicles, seem to reproduce the effects of their parental cells, showing a potential advantage for clinical treatments by avoiding the drawbacks associated with cell therapy. Given these perspectives, it appears necessary new research to optimize the production, safety and antitumor potency of the products derived from the MSCs suitable for oncological therapies.
Collapse
Affiliation(s)
- Noemi Eiro
- Unit Research, Fundación Hospital de Jove, Avda. Eduardo Castro 161, 33290, Gijón, Asturias, Spain.
| | - Maria Fraile
- Unit Research, Fundación Hospital de Jove, Avda. Eduardo Castro 161, 33290, Gijón, Asturias, Spain
| | - Silvia Fernández-Francos
- Unit Research, Fundación Hospital de Jove, Avda. Eduardo Castro 161, 33290, Gijón, Asturias, Spain
| | - Rosario Sánchez
- Department of Surgery, Fundación Hospital de Jove, 33290, Gijón, Asturias, Spain
| | - Luis A Costa
- Unit Research, Fundación Hospital de Jove, Avda. Eduardo Castro 161, 33290, Gijón, Asturias, Spain
| | - Francisco J Vizoso
- Unit Research, Fundación Hospital de Jove, Avda. Eduardo Castro 161, 33290, Gijón, Asturias, Spain. .,Department of Surgery, Fundación Hospital de Jove, 33290, Gijón, Asturias, Spain.
| |
Collapse
|
15
|
Dental Mesenchymal Stem/Progenitor Cells: A New Prospect in Regenerative Medicine. Stem Cells 2021. [DOI: 10.1007/978-3-030-77052-5_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|
16
|
Gao X, Cao Z. Gingiva-derived Mesenchymal Stem Cells and Their Potential Applications in Oral and Maxillofacial Diseases. Curr Stem Cell Res Ther 2020; 15:43-53. [PMID: 31702517 DOI: 10.2174/1574888x14666191107100311] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/02/2019] [Accepted: 09/12/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Stem cells are undifferentiated cells with multilineage differentiation potential. They can be collected from bone marrow, fat, amniotic fluid, and teeth. Stem cell-based therapies have been widely used to treat multiple diseases, such as cardiac disease, and hematological disorders. The cells may also be beneficial for controlling the disease course and promoting tissue regeneration in oral and maxillofacial diseases. Oral-derived gingival mesenchymal stem cells are easy to access and the donor sites heal rapidly without a scar. Such characteristics demonstrate the beneficial role of GMSCs in oral and maxillofacial diseases. OBJECTIVE We summarize the features of GMSCs, including their self-renewal, multipotent differentiation, immunomodulation, and anti-inflammation properties. We also discuss their applications in oral and maxillofacial disease treatment and tissue regeneration. CONCLUSION GMSCs are easily harvestable adult stem cells with outstanding proliferation, differentiation, and immunomodulation characteristics. A growing body of evidence indicates that GMSCs have strong potential use in accelerating wound healing and promoting the regeneration of bone defects, periodontium, oral neoplasms, salivary glands, peri-implantitis, and nerves. Moreover, alginate, polylactic acid and polycaprolactone can be used as biodegradable scaffolds for GMSC encapsulation. Various growth factors can be applied to the corresponding scaffolds to obtain the desired GMSC differentiation and phenotypes. Three-dimensional spheroid culture systems could optimize GMSC properties and improve the performance of the cells in tissue engineering. The immunomodulatory property of GMSCs in controlling oral and maxillofacial inflammation needs further research.
Collapse
Affiliation(s)
- Xudong Gao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST KLOS) & Key Laboratory for Oral Biomedical Engineering of Ministry of Education (KLOBME), School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Zhengguo Cao
- Department of Periodontology, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| |
Collapse
|
17
|
Stefańska K, Mehr K, Wieczorkiewicz M, Kulus M, Angelova Volponi A, Shibli JA, Mozdziak P, Skowroński MT, Antosik P, Jaśkowski JM, Piotrowska-Kempisty H, Kempisty B, Dyszkiewicz-Konwińska M. Stemness Potency of Human Gingival Cells-Application in Anticancer Therapies and Clinical Trials. Cells 2020; 9:cells9081916. [PMID: 32824702 PMCID: PMC7464983 DOI: 10.3390/cells9081916] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 08/01/2020] [Accepted: 08/14/2020] [Indexed: 12/17/2022] Open
Abstract
Gingivae, as the part of periodontium, are involved in tooth support and possess the ability to heal rapidly, without scar formation. Recently, dental tissues have been identified as a potential source of mesenchymal stem cells (MSCs) and several populations of MSCs were isolated from the orofacial region, including gingival mesenchymal stem cells (GMSCs). GMSCs exhibit robust immunomodulatory and differentiation potential and are easily obtainable, which make them promising candidates for cellular therapies. Apart from being tested for application in immunologic- and inflammatory-related disorders and various tissue regeneration, GMSCs promise to be a valuable tool in cancer treatment, especially in tongue squamous cell carcinoma (TSCC) with the use of targeted therapy, since GMSCs are able to selectively migrate towards the cancerous cells both in vitro and in vivo. In addition to their ability to uptake and release anti-neoplastic drugs, GMSCs may be transduced with apoptosis-inducing factors and used for cancer growth inhibition. Moreover, GMSCs, as most mammalian cells, secrete exosomes, which are a subset of extracellular vesicles with a diameter of 40–160 nm, containing DNA, RNA, lipids, metabolites, and proteins. Such GMSCs-derived exosomes may be useful therapeutic tool in cell-free therapy, as well as their culture medium. GMSCs exhibit molecular and stem-cell properties that make them well suited in preclinical and clinical studies.
Collapse
Affiliation(s)
- Katarzyna Stefańska
- Department of Histology and Embryology, Poznan University of Medical Sciences, 6 Święcickiego St., 60-781 Poznan, Poland;
| | - Katarzyna Mehr
- Department of Gerostomatology and Pathology of Oral Cavity, Poznan University of Medical Sciences, 70 Bukowska St., 60-812 Poznan, Poland;
| | - Maria Wieczorkiewicz
- Department of Basic and Preclinical Sciences, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 7 Gagarina St., 87-100 Torun, Poland; (M.W.); (M.T.S.)
| | - Magdalena Kulus
- Department of Veterinary Surgery, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 7 Gagarina St., 87-100 Torun, Poland; (M.K.); (P.A.)
| | - Ana Angelova Volponi
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King’s College London, Strand, London WC2R 2LS, UK;
| | - Jamil A. Shibli
- Department of Periodontology and Oral Implantology, Dental Research Division, Guarulhos University, Guarulhos, R. Eng. Prestes Maia, 88-Centro, São Paulo 07023-070, Brazil;
| | - Paul Mozdziak
- Physiology Graduate Program, North Carolina State University, Campus Box 7608, Raleigh, NC 27695-7608, USA;
| | - Mariusz T. Skowroński
- Department of Basic and Preclinical Sciences, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 7 Gagarina St., 87-100 Torun, Poland; (M.W.); (M.T.S.)
| | - Paweł Antosik
- Department of Veterinary Surgery, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 7 Gagarina St., 87-100 Torun, Poland; (M.K.); (P.A.)
| | - Jędrzej M. Jaśkowski
- Department of Diagnostics and Clinical Sciences, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 7 Gagarina St., 87-100 Torun, Poland;
| | - Hanna Piotrowska-Kempisty
- Department of Toxicology, Poznan University of Medical Sciences, 30 Dojazd St., 60-631 Poznan, Poland;
| | - Bartosz Kempisty
- Department of Veterinary Surgery, Institute of Veterinary Medicine, Nicolaus Copernicus University in Torun, 7 Gagarina St., 87-100 Torun, Poland; (M.K.); (P.A.)
- Department of Anatomy, Poznan University of Medical Sciences, 6 Święcickiego St., 60-781 Poznan, Poland;
- Correspondence: ; Tel./Fax: +48-61-8546565
| | - Marta Dyszkiewicz-Konwińska
- Department of Anatomy, Poznan University of Medical Sciences, 6 Święcickiego St., 60-781 Poznan, Poland;
- Department of Biomaterials and Experimental Dentistry, Poznan University of Medical Sciences, 70 Bukowska St., 60-812 Poznan, Poland
| |
Collapse
|
18
|
Wang X, Jin J, Li W, Wang Q, Han Y, Liu H. Differential in vitro sensitivity of oral precancerous and squamous cell carcinoma cell lines to 5-aminolevulinic acid-mediated photodynamic therapy. Photodiagnosis Photodyn Ther 2020; 29:101554. [PMID: 31479802 DOI: 10.1016/j.pdpdt.2019.08.036] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 08/16/2019] [Accepted: 08/30/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVES The clinical effect of 5-aminolevulinic acid-mediated photodynamic therapy (ALA-PDT) may be correlated with the degree of dysplasia of cancer tissues, but much is still unknown regarding the differences in its effectiveness, especially in oral cancer and precancerous lesions. The aim of this study is to compare the effects of ALA-PDT on a human oral precancerous cell line (DOK) and an oral squamous cell carcinoma cell line (CAL-27). METHODS First, we explored the dose- and time-dependent responses of DOK and CAL-27 cells to ALA-PDT. DOK and CAL-27 cells were incubated with various concentrations of ALA (from 0.25 to 2 mM), followed by PDT using laser irradiation at 635 nm. The resulting photocytotoxicity was assessed in both cell lines using MTT assays. Further, apoptosis was assessed using flow cytometry, reactive oxygen species (ROS) generation was evaluated with 2,7-dichlorofluorescein diacetate (DCFH2-DA), and the response to treatment was examined via RT-qPCR and Western blotting to measure the mRNA and protein expression levels of matrix metallopeptidase 2 (MMP-2) and MMP-9. RESULTS ALA-PDT inhibited the proliferation of DOK and CAL-27 cells in a dose- and time-dependent manner. Dose-effect and inhibition-time relationships were also found. The rates of DOK and CAL-27 cell apoptosis when the ALA dose was 1 mM were 30.66 ± 3.10% and 75.40 ± 1.29%, respectively (P < 0.01). Following PDT, compared with DOK cells, the ROS level in CAL-27 cells was significantly increased and was correlated with an increase in the ALA concentration. Mechanistically, both the mRNA and protein expression levels of MMP-2 and MMP-9 were found to be regulated in both cell types after ALA-PDT. CONCLUSION ALA-PDT effectively killed DOK and CAL-27 cells in a dose- and time-dependent manner in vitro. However, under the same conditions, the susceptibilities of these cell lines to ALA-PDT were different. Further studies are necessary to confirm whether this difference is present in clinical oral cancer and precancerous lesions.
Collapse
Affiliation(s)
- Xing Wang
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, PR China
| | - Jianqiu Jin
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, PR China
| | - Wenwen Li
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, PR China
| | - Qian Wang
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, PR China
| | - Ying Han
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, PR China.
| | - Hongwei Liu
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, PR China.
| |
Collapse
|
19
|
Atiya H, Frisbie L, Pressimone C, Coffman L. Mesenchymal Stem Cells in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1234:31-42. [PMID: 32040853 DOI: 10.1007/978-3-030-37184-5_3] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The interactions between tumor cells and the non-malignant stromal and immune cells that make up the tumor microenvironment (TME) are critical to the pathophysiology of cancer. Mesenchymal stem cells (MSCs) are multipotent stromal stem cells found within most cancers and play a critical role influencing the formation and function of the TME. MSCs have been reported to support tumor growth through a variety of mechanisms including (i) differentiation into other pro-tumorigenic stromal components, (ii) suppression of the immune response, (iii) promotion of angiogenesis, (iv) enhancement of an epithelial-mesenchymal transition (EMT), (v) enrichment of cancer stem-like cells (CSC), (vi) increase in tumor cell survival, and (vii) promotion of tumor metastasis. In contrast, MSCs have also been reported to have antitumorigenic functions including (i) enhancement of the immune response, (ii) inhibition of angiogenesis, (iii) regulation of cellular signaling, and (iv) induction of tumor cell apoptosis. Although literature supporting both arguments exists, most studies point to MSCs acting in a cancer supporting role within the confines of the TME. Tumor-suppressive effects are observed when MSCs are used in higher ratios to tumor cells. Additionally, MSC function appears to be tissue type dependent and may rely on cancer education to reprogram a naïve MSC with antitumor effects into a cancer-educated or cancer-associated MSC (CA-MSC) which develops pro-tumorigenic function. Further work is required to delineate the complex crosstalk between MSCs and other components of the TME to accurately assess the impact of MSCs on cancer initiation, growth, and spread.
Collapse
Affiliation(s)
- Huda Atiya
- Division of Hematology/Oncology, Department of Medicine, Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Leonard Frisbie
- Division of Hematology/Oncology, Department of Medicine, Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - Lan Coffman
- Division of Hematology/Oncology, Division of Gynecologic Oncology, Department of Medicine, Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA.
| |
Collapse
|
20
|
Du L, Liang Q, Ge S, Yang C, Yang P. The growth inhibitory effect of human gingiva-derived mesenchymal stromal cells expressing interferon-β on tongue squamous cell carcinoma cells and xenograft model. Stem Cell Res Ther 2019; 10:224. [PMID: 31358054 PMCID: PMC6664557 DOI: 10.1186/s13287-019-1320-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 06/17/2019] [Accepted: 06/30/2019] [Indexed: 02/06/2023] Open
Abstract
Background Interferon-β (IFN-β) is a cytokine with pleiotropic cellular functions, including antiviral, antiproliferative, and immunomodulatory activities. IFN-β inhibits multiple tumor cell growth in vitro. However, the contradiction between the therapeutic dose of IFN-β and its maximally tolerated dose is still inextricable in vivo. Human gingiva-derived mesenchymal stromal cells (GMSCs) represent promising vehicles for cancer gene therapy. This study evaluated the potential of GMSCs genetically engineered to produce IFN-β as a targeted gene delivery system to treat tongue squamous cell carcinoma (TSCC) in vitro and in vivo. Methods A lentiviral vector encoding IFN-β was constructed and transfected into GMSCs to obtain IFN-β gene-modified GMSCs (GMSCs/IFN-β). Enzyme-linked immunosorbent assay (ELISA) was used to measure the IFN-β concentration in conditioned medium (CM) from GMSCs/IFN-β. The Cell Counting Kit-8 (CCK8), colony formation assay, and flow cytometry were used to detect the effects of GMSCs/IFN-β on TSCC cell line CAL27 cell growth and apoptosis in vitro. TSCC xenograft model was developed by subcutaneous injection of CAL27 cells into BALB/c nude mouse, and the role of intravenously injected GMSCs/IFN-β in engrafting in TSCC and controlling tumor progression was measured in vivo. Results GMSCs/IFN-β expressed a high level of IFN-β. Both CCK8 and colony forming assay showed that GMSCs/IFN-β significantly inhibited the proliferation of CAL27 cells compared with the GMSCs, GMSCs/vector, or DMEM group. Flow cytometry analysis demonstrated that the CAL27 cell apoptosis rate was higher in the GMSCs/IFN-β group than in the other three groups. The in vivo experiment revealed that GMSCs/IFN-β engrafted selectively in TSCC xenograft and expressed a high level of IFN-β. There were smaller tumor volume and lower number of Ki67-positive cells in the GMSCs/IFN-β group than in the GMSCs, GMSCs/vector, or phosphate-buffered saline (PBS) group. Interestingly, GMSCs and GMSCs/vector also presented the potential of CAL27 cell growth inhibition in vitro and in vivo, although such an effect was weaker than GMSCs/IFN-β. Conclusions GMSCs/IFN-β inhibits the proliferation of TSCC cells in vitro and in vivo. These results provide evidence that delivery of IFN-β by GMSCs may be a promising approach to develop an effective treatment option for TSCC therapy.
Collapse
Affiliation(s)
- Lingqian Du
- Department of Stomatology, The Second Hospital of Shandong University, Jinan, 250033, Shandong, People's Republic of China.,Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China
| | - Qianyu Liang
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China.,Department of Periodontology, School of Stomatology, Shandong University, Jinan, People's Republic of China
| | - Shaohua Ge
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China.,Department of Periodontology, School of Stomatology, Shandong University, Jinan, People's Republic of China
| | - Chengzhe Yang
- Department of Oral & Maxillofacial Surgery, Qilu Hospital and Institute of Stomatology, Shandong University, 107 Wenhua Road West, Jinan, 250012, Shandong, People's Republic of China.
| | - Pishan Yang
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, School of Stomatology, Shandong University, 44 West Wenhua Road, Jinan, 250012, Shandong, People's Republic of China. .,Department of Periodontology, School of Stomatology, Shandong University, Jinan, People's Republic of China.
| |
Collapse
|
21
|
Encapsulated human mesenchymal stem cells (eMSCs) as a novel anti-cancer agent targeting breast cancer stem cells: Development of 3D primed therapeutic MSCs. Int J Biochem Cell Biol 2019; 110:59-69. [DOI: 10.1016/j.biocel.2019.02.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 01/28/2019] [Accepted: 02/01/2019] [Indexed: 02/06/2023]
|
22
|
Li W, Han Y, Zhao Z, Ji X, Wang X, Jin J, Wang Q, Guo X, Cheng Z, Lu M, Wang G, Wang Y, Liu H. Oral mucosal mesenchymal stem cell‑derived exosomes: A potential therapeutic target in oral premalignant lesions. Int J Oncol 2019; 54:1567-1578. [PMID: 30896790 PMCID: PMC6438436 DOI: 10.3892/ijo.2019.4756] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 01/23/2019] [Indexed: 02/07/2023] Open
Abstract
Emerging evidence indicates that mesenchymal stem cells (MSCs) serve an indispensable role in the tumor microenvironment. However, whether MSCs participate in the development of oral carcinogenesis remains unclear. The present study isolated MSCs from clinical tissues and investigated the differences of MSCs derived from normal oral mucosa (N-MSC), oral leukoplakia with dysplasia (LK-MSC) and oral carcinoma (Ca-MSC). The results revealed that the LK-MSCs exhibited reduced proliferation and migration, compared with the N-MSCs and Ca-MSCs. Furthermore, it was demonstrated that the exosomes secreted by LK-MSCs have significant roles in promoting proliferation, migration and invasion in vitro, which was similar to the Ca-MSC-derived exosomes. The promoting effect was also demonstrated in a 3D coculture model. When the secretion of exosomes was blocked, the promoting effect of LK-MSCs was reversed. Based on a microarray analysis of MSC-derived exosomes, microRNA-8485 (miR-8485) was identified to be ectopically expressed. The exosomal miR-8485 was capable of promoting the proliferation, migration and invasion of tumor cells. Therefore, the present study highlights the significance of MSC-derived exosomes and exosomal miR-8485 in premalignant lesions and carcinogenesis. Intervention with the secretion of MSC-derived-exosomes may be an innovative strategy to retard the carcinogenesis.
Collapse
Affiliation(s)
- Wenwen Li
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Ying Han
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Zhongfang Zhao
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Xiaoli Ji
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Xing Wang
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Jianqiu Jin
- Department of Stomatology, Beijing Hospital, Beijing 100730, P.R. China
| | - Qian Wang
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Xiang Guo
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Zhe Cheng
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Mingxing Lu
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Guodong Wang
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Yixiang Wang
- Department of Central Laboratory, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| | - Hongwei Liu
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing 100081, P.R. China
| |
Collapse
|
23
|
Li X, Li S, Wang X, Zhao S, Liu H. [Knocking down fascin inhibits cervical cancer cell proliferation and tumorigenesis in nude mice]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2019; 38:1409-1414. [PMID: 30613006 DOI: 10.12122/j.issn.1673-4254.2018.12.02] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVE To study the effect of knocking down fascin on cervical cancer cell proliferation and tumorigenicity in nude mice. METHODS Cervical cancer CaSki cells were infected with a lentiviral vector carrying fascin siRNA or with a negative control lentivirus, and fascin mRNA and protein expressions in the cells were detected using qRT-PCR and Western blotting. MTT assay was used to determine the proliferation of CaSki cells with fascin knockdown. CaSki cells transfected with fascin siRNA or the control lentiviral vector and non-transfected CaSki cells were inoculated subcutaneously in nude mice, and the volume and weight of the transplanted tumor were measured; Western blotting was used to detect the expressions of proliferating cell nuclear antigen (PCNA), survivin, cyclin dependent kinase 4 (CDK4) and p21 proteins in the tumor xenograft. RESULTS Infection with the lentiviral vector carrying fascin siRNA, but not the negative control vector, caused significant reductions in the expression levels of fascin mRNA and protein in CaSki cells (P < 0.05). Fascin knockdown resulted in significantly reduced proliferation of CaSki cells in vitro (P < 0.05). The nude mice inoculated with CaSki cells with fascin knockdown showed reduced tumor volume and weight, lowered levels of PCNA, survivin and CDK4, and increased expression of p21 protein in the tumor xenograft compared with the control mice. The negative control lentivirus did not affect the proliferation or tumorigenicity of CaSki cells in nude mice or the expression levels of PCNA, survivin, CDK4 or p21 proteins in the xenografts. CONCLUSIONS Knocking down fascin can inhibit the growth and tumorigenicity of cervical cancer cells in nude mice.
Collapse
Affiliation(s)
- Xian Li
- College of Pharmacy, Bengbu Medical College, Bengbu 233030, China
| | - Shanshan Li
- College of Pharmacy, Bengbu Medical College, Bengbu 233030, China
| | - Xinxin Wang
- College of Pharmacy, Bengbu Medical College, Bengbu 233030, China
| | - Surong Zhao
- College of Pharmacy, Bengbu Medical College, Bengbu 233030, China
| | - Hao Liu
- College of Pharmacy, Bengbu Medical College, Bengbu 233030, China
| |
Collapse
|
24
|
Buduru SD, Gulei D, Zimta AA, Tigu AB, Cenariu D, Berindan-Neagoe I. The Potential of Different Origin Stem Cells in Modulating Oral Bone Regeneration Processes. Cells 2019; 8:cells8010029. [PMID: 30625993 PMCID: PMC6356555 DOI: 10.3390/cells8010029] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Revised: 12/22/2018] [Accepted: 01/02/2019] [Indexed: 12/20/2022] Open
Abstract
Tissue engineering has gained much momentum since the implementation of stem cell isolation and manipulation for regenerative purposes. Despite significant technical improvements, researchers still have to decide which strategy (which type of stem cell) is the most suitable for their specific purpose. Therefore, this short review discusses the advantages and disadvantages of the three main categories of stem cells: embryonic stem cells, mesenchymal stem cells and induced pluripotent stem cells in the context of bone regeneration for dentistry-associated conditions. Importantly, when deciding upon the right strategy, the selection needs to be made in concordance with the morbidity and the life-threatening level of the condition in discussion. Therefore, even when a specific type of stem cell holds several advantages over others, their availability, invasiveness of the collection method and ethical standards become deciding parameters.
Collapse
Affiliation(s)
- Smaranda Dana Buduru
- Prosthetics and Dental Materials, Faculty of Dental Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Cluj-Napoca, 32 Clinicilor Street, 400006 Cluj-Napoca, Romania.
- Stomestet Stomatology Clinic, Calea Manastur 68A Street, 400658 Cluj-Napoca, Romania; .
| | - Diana Gulei
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, 400337 Cluj-Napoca, Romania.
| | - Alina-Andreea Zimta
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, 400337 Cluj-Napoca, Romania.
| | - Adrian Bogdan Tigu
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, 400337 Cluj-Napoca, Romania.
| | - Diana Cenariu
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, 400337 Cluj-Napoca, Romania.
| | - Ioana Berindan-Neagoe
- MEDFUTURE-Research Center for Advanced Medicine, "Iuliu-Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, 400337 Cluj-Napoca, Romania.
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, 400337 Cluj-Napoca, Romania.
- Department of Functional Genomics and Experimental Pathology, The Oncology Institute "Prof. Dr. Ion Chiricuta", Republicii 34-36 Street, 400015 Cluj-Napoca, Romania.
| |
Collapse
|
25
|
Zhao Z, Han Y, Zhang Z, Li W, Ji X, Liu X, Jin J, Xu S, Cui H, Cheng Z, Wang Q, Wang X, Guo X, Wang Y, Liu H. Total glucosides of paeony improves the immunomodulatory capacity of MSCs partially via the miR-124/STAT3 pathway in oral lichen planus. Biomed Pharmacother 2018; 105:151-158. [DOI: 10.1016/j.biopha.2018.05.076] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2018] [Revised: 05/17/2018] [Accepted: 05/17/2018] [Indexed: 12/15/2022] Open
|
26
|
Thirumal Raj A, Kheur S. Hypothesizing the potential implications of exposing known carcinogens on normal stem cells. Oral Oncol 2018. [PMID: 29519751 DOI: 10.1016/j.oraloncology.2018.02.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- A Thirumal Raj
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India.
| | - Supriya Kheur
- Department of Oral Pathology and Microbiology, Dr. D.Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Pimpri, Pune, India.
| |
Collapse
|