1
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Li C, Xie Q, Ghosh S, Cao B, Du Y, Vo GV, Huang TY, Spruck C, Wang YA, Nephew KP, Shen J. SUV39H1 Preserves Cancer Stem Cell Chromatin State and Properties in Glioblastoma. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.15.607856. [PMID: 39229036 PMCID: PMC11370334 DOI: 10.1101/2024.08.15.607856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2024]
Abstract
Of the more than 100 types of brain cancer, glioblastoma (GBM) is the deadliest. As GBM stem cells (GSCs) are considered to be responsible for therapeutic resistance and tumor recurrence, effective targeting and elimination of GSCs could hold promise for preventing GBM recurrence and achieving potential cures. We show here that SUV39H1 , which encodes a histone-3, lysine-9 methyltransferase, plays a critical role in GSC maintenance and GBM progression. Upregulation of SUV39H1 was observed in GBM samples compared to normal brain tissues, and knockdown of SUV39H1 in patient-derived GSCs impaired their proliferation and stemness. Single-cell RNA-seq analysis demonstrated restricted expression of SUV39H1 is in GSCs relative to non-stem GBM cells, likely due to super-enhancer-mediated transcriptional activation, while whole cell RNA-seq analysis revealed that SUV39H1 regulates G2/M cell cycle progression, stem cell maintenance, and cell death pathways in GSCs. By integrating the RNA-seq data with ATAC-seq (assay for transposase-accessible chromatin followed by sequencing), we further demonstrated altered chromatin accessibility in key genes associated with these pathways following SUV39H1 knockdown. Treatment with chaetocin, a SUV39H1 inhibitor, mimicked the functional effects of SUV39H1 knockdown in GSCs and sensitized GSCs to the GBM chemotherapy drug temozolomide. Furthermore, targeting SUV39H1 in vivo using a patient-derived xenograft model for GBM inhibited GSC-driven tumor formation. This is the first report demonstrating a critical role for SUV39H1 in GSC maintenance. SUV39H1-mediated targeting of GSCs could enhance the efficacy of existing chemotherapy, presenting a promising strategy for improving GBM treatment and patient outcomes. Highlights SUV39H1 is upregulated in GBM, especially GSCsTargeting SUV39H1 disrupts GSC maintenance and sensitizes GSCs to TMZTargeting SUV39H1 alters chromatin accessibility at cell cycle and stemness genesTargeting SUV39H1 suppresses GSC-driven tumors in a patient-derived xenograft model.
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2
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Lee VK, Tejero R, Silvia N, Sattiraju A, Ramakrishnan A, Shen L, Wojcinski A, Kesari S, Friedel RH, Zou H, Dai G. 3D Brain Vascular Niche Model Captures Invasive Behavior and Gene Signatures of Glioblastoma. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.09.601756. [PMID: 39026692 PMCID: PMC11257506 DOI: 10.1101/2024.07.09.601756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2024]
Abstract
Glioblastoma (GBM) is a lethal brain cancer with no effective treatment; understanding how GBM cells respond to tumor microenvironment remains challenging as conventional cell cultures lack proper cytoarchitecture while in vivo animal models present complexity all at once. Developing a culture system to bridge the gap is thus crucial. Here, we employed a multicellular approach using human glia and vascular cells to optimize a 3-dimensional (3D) brain vascular niche model that enabled not only long-term culture of patient derived GBM cells but also recapitulation of key features of GBM heterogeneity, in particular invasion behavior and vascular association. Comparative transcriptomics of identical patient derived GBM cells in 3D and in vivo xenotransplants models revealed that glia-vascular contact induced genes concerning neural/glia development, synaptic regulation, as well as immune suppression. This gene signature displayed region specific enrichment in the leading edge and microvascular proliferation zones in human GBM and predicted poor prognosis. Gene variance analysis also uncovered histone demethylation and xylosyltransferase activity as main themes for gene adaption of GBM cells in vivo . Furthermore, our 3D model also demonstrated the capacity to provide a quiescence and a protective niche against chemotherapy. In summary, an advanced 3D brain vascular model can bridge the gap between 2D cultures and in vivo models in capturing key features of GBM heterogeneity and unveil previously unrecognized influence of glia-vascular contact for transcriptional adaption in GBM cells featuring neural/synaptic interaction and immunosuppression.
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3
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Chakraborty A, Yang C, Kresak JL, Silver AJ, Feier D, Tian G, Andrews M, Sobanjo OO, Hodge ED, Engelbart MK, Huang J, Harrison JK, Sarkisian MR, Mitchell DA, Deleyrolle LP. KR158 Spheres Harboring Slow-Cycling Cells Recapitulate High-Grade Glioma Features in an Immunocompetent System. Cells 2024; 13:938. [PMID: 38891070 PMCID: PMC11171638 DOI: 10.3390/cells13110938] [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: 03/04/2024] [Revised: 05/20/2024] [Accepted: 05/24/2024] [Indexed: 06/21/2024] Open
Abstract
Glioblastoma (GBM) poses a significant challenge in clinical oncology due to its aggressive nature, heterogeneity, and resistance to therapies. Cancer stem cells (CSCs) play a critical role in GBM, particularly in treatment resistance and tumor relapse, emphasizing the need to comprehend the mechanisms regulating these cells. Also, their multifaceted contributions to the tumor microenvironment (TME) underline their significance, driven by their unique properties. This study aimed to characterize glioblastoma stem cells (GSCs), specifically slow-cycling cells (SCCs), in an immunocompetent murine GBM model to explore their similarities with their human counterparts. Using the KR158 mouse model, we confirmed that SCCs isolated from this model exhibited key traits and functional properties akin to human SCCs. KR158 murine SCCs, expanded in the gliomasphere assay, demonstrated sphere forming ability, self-renewing capacity, positive tumorigenicity, enhanced stemness and resistance to chemotherapy. Together, our findings validate the KR158 murine model as a framework to investigate GSCs and SCCs in GBM pathology, and explore specifically the SCC-immune system communications, understand their role in disease progression, and evaluate the effect of therapeutic strategies targeting these specific connections.
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Affiliation(s)
- Avirup Chakraborty
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
- Preston A. Wells Jr. Center for Brain Tumor Therapy, University of Florida, Gainesville, FL 32608, USA
| | - Changlin Yang
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
- Preston A. Wells Jr. Center for Brain Tumor Therapy, University of Florida, Gainesville, FL 32608, USA
| | - Jesse L. Kresak
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL 32610, USA
| | - Aryeh J. Silver
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
| | - Diana Feier
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
| | - Guimei Tian
- Department of Surgery, University of Florida, Gainesville, FL 32610, USA
| | - Michael Andrews
- College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, FL 33314, USA
| | - Olusegun O. Sobanjo
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
| | - Ethan D. Hodge
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
| | - Mia K. Engelbart
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
| | - Jianping Huang
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
- Preston A. Wells Jr. Center for Brain Tumor Therapy, University of Florida, Gainesville, FL 32608, USA
| | - Jeffrey K. Harrison
- Preston A. Wells Jr. Center for Brain Tumor Therapy, University of Florida, Gainesville, FL 32608, USA
- Department of Pharmacology and Therapeutics, University of Florida, Gainesville, FL 32603, USA
| | - Matthew R. Sarkisian
- Preston A. Wells Jr. Center for Brain Tumor Therapy, University of Florida, Gainesville, FL 32608, USA
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL 32610, USA
| | - Duane A. Mitchell
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
- Preston A. Wells Jr. Center for Brain Tumor Therapy, University of Florida, Gainesville, FL 32608, USA
| | - Loic P. Deleyrolle
- Adam Michael Rosen Neuro-Oncology Laboratories, Department of Neurosurgery, University of Florida, Gainesville, FL 32608, USA (A.J.S.)
- Preston A. Wells Jr. Center for Brain Tumor Therapy, University of Florida, Gainesville, FL 32608, USA
- Department of Neuroscience, McKnight Brain Institute, University of Florida, Gainesville, FL 32610, USA
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4
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Hayashi Y, Hashimoto M, Takaoka K, Takemoto T, Takakura N, Kidoya H. Tumor endothelial cell-derived Sfrp1 supports the maintenance of cancer stem cells via Wnt signaling. In Vitro Cell Dev Biol Anim 2024:10.1007/s11626-024-00899-y. [PMID: 38625488 DOI: 10.1007/s11626-024-00899-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 03/15/2024] [Indexed: 04/17/2024]
Abstract
Cancer stem cells (CSCs), which are critical targets for cancer therapy as they are involved in drug resistance to anticancer drugs, and metastasis, are maintained by angiocrine factors produced by particular niches that form within tumor tissue. Secreted frizzled-related protein 1 (Sfrp1) is an extracellular protein that modulates Wnt signaling. However, the cells that produce Sfrp1 in the tumor environment and its function remain unclear. We aimed to elucidate angiocrine factors related to CSC maintenance, focusing on Sfrp1. Although Sfrp1 is a Wnt pathway-related factor, its impact on tumor tissues remains unknown. We investigated the localization of Sfrp1 in tumors and found that it is expressed in some tumor vessels. Analysis of mice lacking Sfrp1 showed that tumor growth was suppressed in Sfrp1-deficient tumor tissues. Flow cytometry analysis indicated that CSCs were maintained in the early tumor growth phase in the Sfrp1 knockout (KO) mouse model of tumor-bearing cancer. However, tumor growth was inhibited in the late tumor growth phase because of the inability to maintain CSCs. Real-time PCR results from tumors of Sfrp1 KO mice showed that the expression of Wnt signaling target genes significantly decreased in the late stage of tumor growth. This suggests that Sfrp1, an angiocrine factor produced by the tumor vascular niche, is involved in Wnt signaling-mediated mechanisms in tumor tissues.
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Affiliation(s)
- Yumiko Hayashi
- Department of Integrative Vascular Biology, Faculty of Medical Science, Fukui University, 23-3 Matsuoka-Shimoaizuki, Eiheiji, Yoshida, Fukui, 910-1193, Japan
- Department of Signal Transduction, Research Institute for Microbial Diseases, Osaka University, Suita, Japan
| | - Masakazu Hashimoto
- Laboratory for Embryogenesis, Graduate School of Frontier Biosciences, Osaka University, Suita, Osaka, Japan
| | - Katsuyoshi Takaoka
- Laboratory for Embryology, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Tatsuya Takemoto
- Laboratory for Embryology, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Nobuyuki Takakura
- Department of Signal Transduction, Research Institute for Microbial Diseases, Osaka University, Suita, Japan
- World Premier Institute Immunology Frontier Research Center, Integrated Frontier Research for Medical Science Division, Osaka University, Suita, Japan
- Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, Suita, Japan
- Center for Infectious Disease Education and Research, Osaka University, Suita, Japan
| | - Hiroyasu Kidoya
- Department of Integrative Vascular Biology, Faculty of Medical Science, Fukui University, 23-3 Matsuoka-Shimoaizuki, Eiheiji, Yoshida, Fukui, 910-1193, Japan.
- Department of Signal Transduction, Research Institute for Microbial Diseases, Osaka University, Suita, Japan.
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5
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Chakraborty A, Yang C, Kresak JL, Silver A, Feier D, Tian G, Andrews M, Sobanjo OO, Hodge ED, Engelbart MK, Huang J, Harrison JK, Sarkisian MR, Mitchell DA, Deleyrolle LP. KR158 spheres harboring slow-cycling cells recapitulate GBM features in an immunocompetent system. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.26.577279. [PMID: 38501121 PMCID: PMC10945590 DOI: 10.1101/2024.01.26.577279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Glioblastoma (GBM) poses a significant challenge in clinical oncology due to its aggressive nature, heterogeneity, and resistance to therapies. Cancer stem cells (CSCs) play a critical role in GBM, particularly in treatment-resistance and tumor relapse, emphasizing the need to comprehend the mechanisms regulating these cells. Also, their multifaceted contributions to the tumor-microenvironment (TME) underline their significance, driven by their unique properties. This study aimed to characterize glioblastoma stem cells (GSCs), specifically slow-cycling cells (SCCs), in an immunocompetent murine GBM model to explore their similarities with their human counterparts. Using the KR158 mouse model, we confirmed that SCCs isolated from this model exhibited key traits and functional properties akin to human SCCs. KR158 murine SCCs, expanded in the gliomasphere assay, demonstrated sphere forming ability, self-renewing capacity, positive tumorigenicity, enhanced stemness and resistance to chemotherapy. Together, our findings validate the KR158 murine model as a framework to investigate GSCs and SCCs in GBM-pathology, and explore specifically the SCC-immune system communications, understand their role in disease progression, and evaluate the effect of therapeutic strategies targeting these specific connections.
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6
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Stringer BW, De Silva MI, Greenberg Z, Noreña Puerta A, Adams R, Milky B, Zabolocki M, van den Hurk M, Ebert LM, Fairly Bishop C, Conn SJ, Kichenadasse G, Michael MZ, Ormsby RJ, Poonoose S, Bardy C. Human cerebrospinal fluid affects chemoradiotherapy sensitivities in tumor cells from patients with glioblastoma. SCIENCE ADVANCES 2023; 9:eadf1332. [PMID: 37878712 PMCID: PMC10599627 DOI: 10.1126/sciadv.adf1332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 09/21/2023] [Indexed: 10/27/2023]
Abstract
Cancers in the central nervous system resist therapies effective in other cancers, possibly due to the unique biochemistry of the human brain microenvironment composed of cerebrospinal fluid (CSF). However, the impact of CSF on cancer cells and therapeutic efficacy is unknown. Here, we examined the effect of human CSF on glioblastoma (GBM) tumors from 25 patients. We found that CSF induces tumor cell plasticity and resistance to standard GBM treatments (temozolomide and irradiation). We identified nuclear protein 1 (NUPR1), a transcription factor hampering ferroptosis, as a mediator of therapeutic resistance in CSF. NUPR1 inhibition with a repurposed antipsychotic, trifluoperazine, enhanced the killing of GBM cells resistant to chemoradiation in CSF. The same chemo-effective doses of trifluoperazine were safe for human neurons and astrocytes derived from pluripotent stem cells. These findings reveal that chemoradiation efficacy decreases in human CSF and suggest that combining trifluoperazine with standard care may improve the survival of patients with GBM.
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Affiliation(s)
- Brett W. Stringer
- South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA, Australia
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Manam Inushi De Silva
- South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA, Australia
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Zarina Greenberg
- South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA, Australia
| | - Alejandra Noreña Puerta
- South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA, Australia
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Robert Adams
- South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA, Australia
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Bridget Milky
- South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA, Australia
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Michael Zabolocki
- South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA, Australia
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Mark van den Hurk
- South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA, Australia
| | - Lisa M. Ebert
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA, Australia
- Cancer Clinical Trials Unit, Royal Adelaide Hospital, Adelaide, SA, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
| | - Christine Fairly Bishop
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
- Flinders Medical Centre, SA Health, Adelaide, SA, Australia
| | - Simon J. Conn
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Ganessan Kichenadasse
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
- Flinders Medical Centre, SA Health, Adelaide, SA, Australia
| | - Michael Z. Michael
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
- Flinders Medical Centre, SA Health, Adelaide, SA, Australia
| | - Rebecca J. Ormsby
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Santosh Poonoose
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
| | - Cedric Bardy
- South Australian Health and Medical Research Institute (SAHMRI), Laboratory for Human Neurophysiology and Genetics, Adelaide, SA, Australia
- Flinders Health and Medical Research Institute, College of Medicine and Public Health, Flinders University, Adelaide, SA, Australia
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7
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Whitehead CA, Morokoff AP, Kaye AH, Drummond KJ, Mantamadiotis T, Stylli SS. Invadopodia associated Thrombospondin-1 contributes to a post-therapy pro-invasive response in glioblastoma cells. Exp Cell Res 2023; 431:113743. [PMID: 37591452 DOI: 10.1016/j.yexcr.2023.113743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/19/2023]
Abstract
A critical challenge in the treatment of glioblastoma (GBM) is its highly invasive nature which promotes cell migration throughout the brain and hinders surgical resection and effective drug delivery. GBM cells demonstrate augmented invasive capabilities following exposure to the current gold standard treatment of radiotherapy (RT) and concomitant and adjuvant temozolomide (TMZ), resulting in rapid disease recurrence. Elucidating the mechanisms employed by post-treatment invasive GBM cells is critical to the development of more effective therapies. In this study, we utilized a Nanostring® Cancer Progression gene expression panel to identify candidate genes that may be involved in enhanced GBM cell invasion after treatment with clinically relevant doses of RT/TMZ. Our findings identified thrombospondin-1 (THBS1) as a pro-invasive gene that is upregulated in these cells. Immunofluorescence staining revealed that THBS1 localised within functional matrix-degrading invadopodia that formed on the surface of GBM cells. Furthermore, overexpression of THBS1 resulted in enhanced GBM cell migration and secretion of MMP-2, which was reduced with silencing of THBS1. The preliminary data demonstrates that THBS1 is associated with invadopodia in GBM cells and is likely involved in the invadopodia-mediated invasive process in GBM cells exposed to RT/TMZ treatment. Therapeutic inhibition of THBS1-mediated invadopodia activity, which facilitates GBM cell invasion, should be further investigated as a treatment for GBM.
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Affiliation(s)
- Clarissa A Whitehead
- Department of Surgery, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia
| | - Andrew P Morokoff
- Department of Surgery, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia; Department of Neurosurgery, Royal Melbourne Hospital, Parkville, VIC, Australia
| | - Andrew H Kaye
- Department of Surgery, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia; Department of Neurosurgery, Hadassah Hebrew University Medical Centre, Jerusalem, Israel
| | - Katharine J Drummond
- Department of Surgery, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia; Department of Neurosurgery, Royal Melbourne Hospital, Parkville, VIC, Australia
| | - Theo Mantamadiotis
- Department of Surgery, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia; Department of Microbiology and Immunology, The University of Melbourne, Melbourne, VIC, Australia; The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Parkville, VIC, Australia
| | - Stanley S Stylli
- Department of Surgery, Royal Melbourne Hospital, The University of Melbourne, Parkville, VIC, Australia; Department of Neurosurgery, Royal Melbourne Hospital, Parkville, VIC, Australia.
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8
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Ismailov ZB, Belykh ES, Chernykh AA, Udoratina AM, Kazakov DV, Rybak AV, Kerimova SN, Velegzhaninov IO. Systematic review of comparative transcriptomic studies of cellular resistance to genotoxic stress. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2023; 792:108467. [PMID: 37657754 DOI: 10.1016/j.mrrev.2023.108467] [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: 01/07/2023] [Revised: 08/19/2023] [Accepted: 08/28/2023] [Indexed: 09/03/2023]
Abstract
The development of resistance by tumor cells to various types of therapy is a significant problem that decreases the effectiveness of oncology treatments. For more than two decades, comparative transcriptomic studies of tumor cells with different sensitivities to ionizing radiation and chemotherapeutic agents have been conducted in order to identify the causes and mechanisms underlying this phenomenon. However, the results of such studies have little in common and often contradict each other. We have assumed that a systematic analysis of a large number of such studies will provide new knowledge about the mechanisms of development of therapeutic resistance in tumor cells. Our comparison of 123 differentially expressed gene (DEG) lists published in 98 papers suggests a very low degree of consistency between the study results. Grouping the data by type of genotoxic agent and tumor type did not increase the similarity. The most frequently overexpressed genes were found to be those encoding the transport protein ABCB1 and the antiviral defense protein IFITM1. We put forward a hypothesis that the role played by the overexpression of the latter in the development of resistance may be associated not only with the stimulation of proliferation, but also with the limitation of exosomal communication and, as a result, with a decrease in the bystander effect. Among down regulated DEGs, BNIP3 was observed most frequently. The expression of BNIP3, together with BNIP3L, is often suppressed in cells resistant to non-platinum genotoxic chemotherapeutic agents, whereas it is increased in cells resistant to ionizing radiation. These observations are likely to be mediated by the binary effects of these gene products on survival, and regulation of apoptosis and autophagy. The combined data also show that even such obvious mechanisms as inhibition of apoptosis and increase of proliferation are not universal but show multidirectional changes.
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Affiliation(s)
- Z B Ismailov
- Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, 28b Kommunisticheskaya St., Syktyvkar 167982, Russia
| | - E S Belykh
- Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, 28b Kommunisticheskaya St., Syktyvkar 167982, Russia
| | - A A Chernykh
- Institute of Physiology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, 50 Pervomaiskaya St., Syktyvkar 167982, Russia
| | - A M Udoratina
- Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Avenue, Nizhny Novgorod 603022, Russia
| | - D V Kazakov
- Institute of Physics and Mathematics of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, 4 Oplesnina St., Syktyvkar 167982, Russia
| | - A V Rybak
- Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, 28b Kommunisticheskaya St., Syktyvkar 167982, Russia
| | - S N Kerimova
- State Medical Institution Komi Republican Oncology Center, 46 Nyuvchimskoe highway, Syktyvkar 167904, Russia
| | - I O Velegzhaninov
- Institute of Biology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences, 28b Kommunisticheskaya St., Syktyvkar 167982, Russia.
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9
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Castillo SP, Galvez-Cancino F, Liu J, Pollard SM, Quezada SA, Yuan Y. The tumour ecology of quiescence: Niches across scales of complexity. Semin Cancer Biol 2023; 92:139-149. [PMID: 37037400 DOI: 10.1016/j.semcancer.2023.04.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 03/06/2023] [Accepted: 04/08/2023] [Indexed: 04/12/2023]
Abstract
Quiescence is a state of cell cycle arrest, allowing cancer cells to evade anti-proliferative cancer therapies. Quiescent cancer stem cells are thought to be responsible for treatment resistance in glioblastoma, an aggressive brain cancer with poor patient outcomes. However, the regulation of quiescence in glioblastoma cells involves a myriad of intrinsic and extrinsic mechanisms that are not fully understood. In this review, we synthesise the literature on quiescence regulatory mechanisms in the context of glioblastoma and propose an ecological perspective to stemness-like phenotypes anchored to the contemporary concepts of niche theory. From this perspective, the cell cycle regulation is multiscale and multidimensional, where the niche dimensions extend to extrinsic variables in the tumour microenvironment that shape cell fate. Within this conceptual framework and powered by ecological niche modelling, the discovery of microenvironmental variables related to hypoxia and mechanosignalling that modulate proliferative plasticity and intratumor immune activity may open new avenues for therapeutic targeting of emerging biological vulnerabilities in glioblastoma.
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Affiliation(s)
- Simon P Castillo
- Centre for Evolution and Cancer & Division of Molecular Pathology, The Institute of Cancer Research, London SM2 5NG, UK
| | - Felipe Galvez-Cancino
- Immune Regulation and Tumor Immunotherapy Group, Cancer Immunology Unit, Research Department of Haematology, UCL Cancer Institute, London WC1E 6DD, UK
| | - Jiali Liu
- Immune Regulation and Tumor Immunotherapy Group, Cancer Immunology Unit, Research Department of Haematology, UCL Cancer Institute, London WC1E 6DD, UK
| | - Steven M Pollard
- Centre for Regenerative Medicine and Cancer Research UK Scotland Centre, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh EH16 4UU, UK
| | - Sergio A Quezada
- Immune Regulation and Tumor Immunotherapy Group, Cancer Immunology Unit, Research Department of Haematology, UCL Cancer Institute, London WC1E 6DD, UK
| | - Yinyin Yuan
- Centre for Evolution and Cancer & Division of Molecular Pathology, The Institute of Cancer Research, London SM2 5NG, UK.
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10
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Yang J, Teng Y. Harnessing cancer stem cell-derived exosomes to improve cancer therapy. J Exp Clin Cancer Res 2023; 42:131. [PMID: 37217932 DOI: 10.1186/s13046-023-02717-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 05/18/2023] [Indexed: 05/24/2023] Open
Abstract
Cancer stem cells (CSCs) are the key "seeds" for tumor initiation and development, metastasis, and recurrence. Because of the function of CSCs in tumor development and progression, research in this field has intensified and CSCs are viewed as a new therapeutic target. Exosomes carrying a wide range of DNA, RNA, lipids, metabolites, and cytosolic and cell-surface proteins are released outside of the originating cells through the fusion of multivesicular endosomes or multivesicular bodies with the plasma membrane. It has become evident that CSC-derived exosomes play a significant role in almost all "hallmarks" of cancer. For example, exosomes from CSCs can maintain a steady state of self-renewal in the tumor microenvironment and regulate microenvironmental cells or distant cells to help cancer cells escape immune surveillance and induce immune tolerance. However, the function and therapeutic value of CSC-derived exosomes and the underlying molecular mechanisms are still largely undefined. To provide an overview of the possible role of CSC-derived exosomes and targeting strategies, we summarize relevant research progress, highlight the potential impact of detecting or targeting CSC-derived exosomes on cancer treatment, and discuss opportunities and challenges based on our experience and insights in this research area. A more thorough understanding of the characteristics and function of CSC-derived exosomes may open new avenues to the development of new clinical diagnostic/prognostic tools and therapies to prevent tumor resistance and relapse.
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Affiliation(s)
- Jianqiang Yang
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, 201 Dowman Dr, Atlanta, GA, 30322, USA
| | - Yong Teng
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, 201 Dowman Dr, Atlanta, GA, 30322, USA.
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology & Emory University, Atlanta, GA, 30322, USA.
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11
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Jia Y, Xu S, Han G, Wang B, Wang Z, Lan C, Zhao P, Gao M, Zhang Y, Jiang W, Qiu B, Liu R, Hsu YC, Sun Y, Liu C, Liu Y, Bai R. Transmembrane water-efflux rate measured by magnetic resonance imaging as a biomarker of the expression of aquaporin-4 in gliomas. Nat Biomed Eng 2023; 7:236-252. [PMID: 36376487 DOI: 10.1038/s41551-022-00960-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 10/10/2022] [Indexed: 11/16/2022]
Abstract
The water-selective channel protein aquaporin-4 (AQP4) contributes to the migration and proliferation of gliomas, and to their resistance to therapy. Here we show, in glioma cell cultures, in subcutaneous and orthotopic gliomas in rats, and in glioma tumours in patients, that transmembrane water-efflux rate is a sensitive biomarker of AQP4 expression and can be measured via conventional dynamic-contrast-enhanced magnetic resonance imaging. Water-efflux rates correlated with stages of glioma proliferation as well as with changes in the heterogeneity of intra-tumoural and inter-tumoural AQP4 in rodent and human gliomas following treatment with temozolomide and with the AQP4 inhibitor TGN020. Regions with low water-efflux rates contained higher fractions of stem-like slow-cycling cells and therapy-resistant cells, suggesting that maps of water-efflux rates could be used to identify gliomas that are resistant to therapies.
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Affiliation(s)
- Yinhang Jia
- Department of Physical Medicine and Rehabilitation of the Affiliated Sir Run Run Shaw Hospital AND Interdisciplinary Institute of Neuroscience and Technology, Zhejiang University School of Medicine, Hangzhou, China
- Key Laboratory of Biomedical Engineering of Ministry of Education, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou, China
- Department of Neurosurgery, Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Shangchen Xu
- Department of Neurosurgery, Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Guangxu Han
- Key Laboratory of Biomedical Engineering of Ministry of Education, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou, China
| | - Bao Wang
- Department of Radiology, Qilu Hospital of Shandong University, Jinan, China
| | - Zejun Wang
- Key Laboratory of Biomedical Engineering of Ministry of Education, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou, China
| | - Chuanjin Lan
- Department of Neurosurgery, Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Peng Zhao
- Department of Neurosurgery, Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Meng Gao
- Department of Neurosurgery, Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yi Zhang
- Department of Radiology, Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Wenhong Jiang
- Zhejiang University School of Medicine, Hangzhou, China
| | - Biying Qiu
- Zhejiang University School of Medicine, Hangzhou, China
| | - Rui Liu
- Zhejiang University School of Medicine, Hangzhou, China
| | - Yi-Cheng Hsu
- MR Collaboration, Siemens Healthcare, Shanghai, China
| | - Yi Sun
- MR Collaboration, Siemens Healthcare, Shanghai, China
| | - Chong Liu
- MOE Frontier Science Center for Brain Science and Brain-machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, Hangzhou, China
| | - Yingchao Liu
- Department of Neurosurgery, Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
- Shandong National Center for Applied Mathematics, Shandong University, Jinan, China.
| | - Ruiliang Bai
- Department of Physical Medicine and Rehabilitation of the Affiliated Sir Run Run Shaw Hospital AND Interdisciplinary Institute of Neuroscience and Technology, Zhejiang University School of Medicine, Hangzhou, China.
- Key Laboratory of Biomedical Engineering of Ministry of Education, College of Biomedical Engineering and Instrument Science, Zhejiang University, Hangzhou, China.
- MOE Frontier Science Center for Brain Science and Brain-machine Integration, School of Brain Science and Brain Medicine, Zhejiang University, Hangzhou, China.
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12
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Ngo MT, Sarkaria JN, Harley BA. Perivascular Stromal Cells Instruct Glioblastoma Invasion, Proliferation, and Therapeutic Response within an Engineered Brain Perivascular Niche Model. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201888. [PMID: 36109186 PMCID: PMC9631060 DOI: 10.1002/advs.202201888] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 08/12/2022] [Indexed: 06/15/2023]
Abstract
Glioblastoma (GBM) tumor cells are found in the perivascular niche microenvironment and are believed to associate closely with the brain microvasculature. However, it is largely unknown how the resident cells of the perivascular niche, such as endothelial cells, pericytes, and astrocytes, influence GBM tumor cell behavior and disease progression. A 3D in vitro model of the brain perivascular niche developed by encapsulating brain-derived endothelial cells, pericytes, and astrocytes in a gelatin hydrogel is described. It is shown that brain perivascular stromal cells, namely pericytes and astrocytes, contribute to vascular architecture and maturation. Cocultures of patient-derived GBM tumor cells with brain microvascular cells are used to identify a role for pericytes and astrocytes in establishing a perivascular niche environment that modulates GBM cell invasion, proliferation, and therapeutic response. Engineered models provide unique insight regarding the spatial patterning of GBM cell phenotypes in response to a multicellular model of the perivascular niche. Critically, it is shown that engineered perivascular models provide an important resource to evaluate mechanisms by which intercellular interactions modulate GBM tumor cell behavior, drug response, and provide a framework to consider patient-specific disease phenotypes.
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Affiliation(s)
- Mai T. Ngo
- Department Chemical and Biomolecular EngineeringUniversity of Illinois Urbana‐ChampaignUrbanaIL61801USA
| | | | - Brendan A.C. Harley
- Department Chemical and Biomolecular EngineeringUniversity of Illinois Urbana‐ChampaignUrbanaIL61801USA
- Carl R. Woese Institute for Genomic BiologyUniversity of Illinois Urbana‐ChampaignUrbanaIL61801USA
- Cancer Center at IllinoisUniversity of Illinois Urbana‐ChampaignUrbanaIL61801USA
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13
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Gimple RC, Yang K, Halbert ME, Agnihotri S, Rich JN. Brain cancer stem cells: resilience through adaptive plasticity and hierarchical heterogeneity. Nat Rev Cancer 2022; 22:497-514. [PMID: 35710946 DOI: 10.1038/s41568-022-00486-x] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/03/2022] [Indexed: 02/07/2023]
Abstract
Malignant brain tumours are complex ecosystems containing neoplastic and stromal components that generate adaptive and evolutionarily driven aberrant tissues in the central nervous system. Brain cancers are cultivated by a dynamic population of stem-like cells that enforce intratumoural heterogeneity and respond to intrinsic microenvironment or therapeutically guided insults through proliferation, plasticity and restructuring of neoplastic and stromal components. Far from a rigid hierarchy, heterogeneous neoplastic populations transition between cellular states with differential self-renewal capacities, endowing them with powerful resilience. Here we review the biological machinery used by brain tumour stem cells to commandeer tissues in the intracranial space, evade immune responses and resist chemoradiotherapy. Through recent advances in single-cell sequencing, improved models to investigate the role of the tumour microenvironment and a deeper understanding of the fundamental role of the immune system in cancer biology, we are now better equipped to explore mechanisms by which these processes can be exploited for therapeutic benefit.
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Affiliation(s)
- Ryan C Gimple
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | - Kailin Yang
- Department of Radiation Oncology, Taussig Cancer Center, Cleveland Clinic, Cleveland, OH, USA
| | - Matthew E Halbert
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Sameer Agnihotri
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jeremy N Rich
- University of Pittsburgh Medical Center Hillman Cancer Center, Pittsburgh, PA, USA.
- Department of Neurology, University of Pittsburgh, Pittsburgh, PA, USA.
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14
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Qiao L, Chen Y, Liang N, Xie J, Deng G, Chen F, Wang X, Liu F, Li Y, Zhang J. Targeting Epithelial-to-Mesenchymal Transition in Radioresistance: Crosslinked Mechanisms and Strategies. Front Oncol 2022; 12:775238. [PMID: 35251963 PMCID: PMC8888452 DOI: 10.3389/fonc.2022.775238] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 01/24/2022] [Indexed: 12/12/2022] Open
Abstract
Radiotherapy exerts a crucial role in curing cancer, however, its treatment efficiency is mostly limited due to the presence of radioresistance. Epithelial-to-mesenchymal transition (EMT) is a biological process that endows the cancer cells with invasive and metastatic properties, as well as radioresistance. Many potential mechanisms of EMT-related radioresistance being reported have broaden our cognition, and hint us the importance of an overall understanding of the relationship between EMT and radioresistance. This review focuses on the recent progresses involved in EMT-related mechanisms in regulating radioresistance, irradiation-mediated EMT program, and the intervention strategies to increase tumor radiosensitivity, in order to improve radiotherapy efficiency and clinical outcomes of cancer patients.
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Affiliation(s)
- Lili Qiao
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University and Shandong Province Qianfoshan Hospital, Shandong Lung Cancer Institute, Jinan, China.,Department of Oncology, Shandong First Medical University, Jinan, China
| | - Yanfei Chen
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University and Shandong Province Qianfoshan Hospital, Shandong Lung Cancer Institute, Jinan, China.,Department of Oncology, Shandong First Medical University, Jinan, China
| | - Ning Liang
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University and Shandong Province Qianfoshan Hospital, Shandong Lung Cancer Institute, Jinan, China.,Department of Oncology, Shandong First Medical University, Jinan, China
| | - Jian Xie
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University and Shandong Province Qianfoshan Hospital, Shandong Lung Cancer Institute, Jinan, China.,Department of Oncology, Shandong First Medical University, Jinan, China
| | - Guodong Deng
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University and Shandong Province Qianfoshan Hospital, Shandong Lung Cancer Institute, Jinan, China.,Department of Oncology, Shandong First Medical University, Jinan, China
| | - Fangjie Chen
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University and Shandong Province Qianfoshan Hospital, Shandong Lung Cancer Institute, Jinan, China.,Department of Oncology, Shandong First Medical University, Jinan, China
| | - Xiaojuan Wang
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University and Shandong Province Qianfoshan Hospital, Shandong Lung Cancer Institute, Jinan, China.,Department of Oncology, Shandong First Medical University, Jinan, China
| | - Fengjun Liu
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University and Shandong Province Qianfoshan Hospital, Shandong Lung Cancer Institute, Jinan, China.,Department of Oncology, Shandong First Medical University, Jinan, China
| | - Yupeng Li
- Department of Oncology, Shandong First Medical University, Jinan, China.,Department of General Surgery, The First Affiliated Hospital of Shandong First Medical University, Jinan, China
| | - Jiandong Zhang
- Department of Oncology, The First Affiliated Hospital of Shandong First Medical University and Shandong Province Qianfoshan Hospital, Shandong Lung Cancer Institute, Jinan, China.,Department of Oncology, Shandong First Medical University, Jinan, China
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15
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Ham HJ, Lee YS, Lee HP, Ham YW, Yun J, Han SB, Hong JT. G721-0282 Exerts Anxiolytic-Like Effects on Chronic Unpredictable Mild Stress in Mice Through Inhibition of Chitinase-3-Like 1-Mediated Neuroinflammation. Front Cell Neurosci 2022; 16:793835. [PMID: 35345530 PMCID: PMC8957088 DOI: 10.3389/fncel.2022.793835] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 02/02/2022] [Indexed: 11/30/2022] Open
Abstract
Chronic stress is thought to be a major contributor to the onset of mental disorders such as anxiety disorders. Several studies have demonstrated a correlation between anxiety state and neuroinflammation, but the detailed mechanism is unclear. Chitinase-3-like 1 (CHI3L1) is expressed in several chronic inflammatorily damaged tissues and is well known to play a major role in mediating inflammatory responses. In the present study, we investigated the anxiolytic-like effect of N-Allyl-2-[(6-butyl-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-5-yl)sulfanyl]acetamide (G721-0282), an inhibitor of CHI3L1, on mice treated with chronic unpredictable mild stress (CUMS), as well as the mechanism of its action. We examined the anxiolytic-like effect of G721-0282 by conducting several behavioral tests with oral administration of G721-0282 to CUMS-treated BALB/c male mice. We found that administration of G721-0282 relieves CUMS-induced anxiety. Anxiolytic-like effects of G721-0282 have been shown to be associated with decreased expressions of CUMS-induced inflammatory proteins and cytokines in the hippocampus. The CUMS-elevated levels of CHI3L1 and IGFBP3 were inhibited by treatment with G721-0282 in vivo and in vitro. However, CHI3L1 deficiency abolished the anti-inflammatory effects of G721-0282 in microglial BV-2 cells. These results suggest that G721-0282 could lower CUMS-induced anxiety like behaviors by regulating IGFBP3-mediated neuroinflammation via inhibition of CHI3L1.
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Affiliation(s)
- Hyeon Joo Ham
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Yong Sun Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Hee Pom Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Young Wan Ham
- Department of Chemistry, Utah Valley University, Orem, UT, United States
| | - Jaesuk Yun
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Sang Bae Han
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
| | - Jin Tae Hong
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, South Korea
- *Correspondence: Jin Tae Hong,
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16
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Furst L, Atkins RJ, Dinevska M, Stylli SS, Corcoran NM, Hovens CM, Mantamadiotis T. Identification and isolation of slow-cycling glioma stem cells. Methods Cell Biol 2022; 170:21-30. [DOI: 10.1016/bs.mcb.2022.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Morrison C, Weterings E, Mahadevan D, Sanan A, Weinand M, Stea B. Expression Levels of RAD51 Inversely Correlate with Survival of Glioblastoma Patients. Cancers (Basel) 2021; 13:cancers13215358. [PMID: 34771522 PMCID: PMC8582387 DOI: 10.3390/cancers13215358] [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: 09/23/2021] [Revised: 10/17/2021] [Accepted: 10/23/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Identifying prognostic and predictive biomarkers for glioblastoma (GBM), a primary brain tumor, is essential in improving patient survival. We utilized gene expression profiling to investigate a uniform population of GBM patients who had been treated with surgery and adjuvant radiation therapy versus normal brain tissue, and identified high RAD51 expression as a poor prognostic marker that is amenable to therapeutic intervention. This observation was confirmed utilizing a publicly available gene expression dataset in a cohort of GBM patients. Abstract Treatment failures of glioblastoma (GBM) occur within high-dose radiation fields. We hypothesized that this is due to increased capacity for DNA damage repair in GBM. We identified 24 adult GBM patients treated with maximal safe resection followed by radiation with concurrent and adjuvant temozolomide. The mRNA from patients was quantified using NanoString Technologies’ nCounter platform and compared with 12 non-neoplastic temporal lobe tissue samples as a control. Differential expression analysis identified seven DNA repair genes significantly upregulated in GBM tissues relative to controls (>4-fold difference, adjusted p values < 0.001). Among these seven genes, Cox proportional hazards models identified RAD51 to be associated with an increased risk of death (HR = 3.49; p = 0.03). Kaplan–Meier (KM) analysis showed that patients with high RAD51 expression had significantly shorter OS compared to low levels (median OS of 10.6 mo. vs 20.1 mo.; log-rank p = 0.03). Our findings were validated in a larger external dataset of 162 patients using publicly available gene expression data quantified by the same NanoString technology (median OS of 13.8 mo. vs. 17.4 mo; log-rank p = 0.006). Within this uniformly treated GBM population, RAD51, in the homologous recombination pathway, was overexpressed (vs. normal brain) and inversely correlated with OS. High RAD51 expression may be a prognostic biomarker and a therapeutic target in GBM.
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Affiliation(s)
- Christopher Morrison
- Department of Radiation Oncology, University of Arizona, Tucson, AZ 85719, USA; (C.M.); (E.W.)
| | - Eric Weterings
- Department of Radiation Oncology, University of Arizona, Tucson, AZ 85719, USA; (C.M.); (E.W.)
| | - Daruka Mahadevan
- Mays Cancer Center, University of Texas Health, San Antonio, TX 78229, USA;
| | - Abhay Sanan
- Center for Neurosciences, Tucson, AZ 85718, USA;
| | - Martin Weinand
- Department of Neurosurgery, University of Arizona College of Medicine, Tucson, AZ 85724, USA;
| | - Baldassarre Stea
- Department of Radiation Oncology, University of Arizona, Tucson, AZ 85719, USA; (C.M.); (E.W.)
- Correspondence: ; Tel.: +1-(520)-694-0861
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18
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Sun Y, Sedgwick AJ, Palarasah Y, Mangiola S, Barrow AD. A Transcriptional Signature of PDGF-DD Activated Natural Killer Cells Predicts More Favorable Prognosis in Low-Grade Glioma. Front Immunol 2021; 12:668391. [PMID: 34539622 PMCID: PMC8444979 DOI: 10.3389/fimmu.2021.668391] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 08/10/2021] [Indexed: 12/21/2022] Open
Abstract
The binding of platelet-derived growth factor D (PDGF-DD) to the NKp44 receptor activates a distinct transcriptional program in primary IL-2 expanded human natural killer (NK) cells. We were interested in knowing if the PDGF-DD-NKp44 pathway of NK cell activation might play a clinically relevant role in anti-tumor immunity. In order to address this question, we determined transcriptional signatures unique to resting, IL-2 expanded, and PDGF-DD activated, NK cells, in addition to different T cell subsets, and established the abundance of these immune cell phenotypes in The Cancer Genome Atlas (TCGA) low-grade glioma (LGG) dataset using CIBERSORT. Our results show that LGG patient tumors enriched for either the PDGF-DD activated NK cell or memory CD8+ T cell phenotypes are associated with a more favorable prognosis. Combined cell phenotype analyses revealed that patients with LGG tumors enriched for the PDGF-DD activated NK cell phenotype and the CD4+ T helper cell phenotype had a more favorable prognosis. High expression of transcripts encoding members of the killer cell lectin-like receptor (KLR) family, such as KLRK1 and KLRC2, KLRC3 and KLRC4 in LGG tumors were associated with more favorable prognosis, suggesting that these NK cell family receptors may play a prominent role in LGG anti-tumor immunity. Finally, many of the TCGA findings were reciprocated in LGG patients from the Chinese Glioma Genome Atlas (CGGA) dataset. Our results provide transcriptomic evidence that PDGF-DD activated NK cells and KLR family receptors may play an important clinical role in immune surveillance of LGG.
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Affiliation(s)
- Yuhan Sun
- Department of Microbiology and Immunology, The University of Melbourne and The Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Alexander James Sedgwick
- Department of Microbiology and Immunology, The University of Melbourne and The Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
| | - Yaseelan Palarasah
- Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark
| | - Stefano Mangiola
- Division of Bioinformatics, Walter and Eliza Hall Institute, Parkville, VIC, Australia.,Department of Medical Biology, University of Melbourne, Melbourne, VIC, Australia
| | - Alexander David Barrow
- Department of Microbiology and Immunology, The University of Melbourne and The Peter Doherty Institute for Infection and Immunity, Melbourne, VIC, Australia
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19
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Li JH, Li SY, Shen MX, Qiu RZ, Fan HW, Li YB. Anti-tumor effects of Solanum nigrum L. extraction on C6 high-grade glioma. JOURNAL OF ETHNOPHARMACOLOGY 2021; 274:114034. [PMID: 33746002 DOI: 10.1016/j.jep.2021.114034] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 03/07/2021] [Accepted: 03/12/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Solanum nigrum L. (SN) is a traditional Chinese medicine with anti-tumor effects, has been used in cancer for centuries, but the role on high-grade gliomas (HGG) is not clear. AIM OF THE STUDY This work was to investigate the anti-tumor effects of SN extract on rat C6 glioma in vitro and in vivo, providing a new medium for the treatment of HGG. MATERIALS AND METHODS After identification and quality inspection of SN medicinal materials by HPLC-MS/MS and HPLC, CCK8 and colony formation assay were conducted to study the effects of SN on vitality and proliferation of C6 cells. Cell morphology was evaluated by HE staining, and flow cytometry was used for apoptosis analysis. The effects on cell migration and invasion were determined by transwell and wound healing assay. Western blot was used to further investigate the influence of SN on migration, invasion and apoptosis of tumor cells. In addition, the rat intracranial transplanted tumor model was used to evaluate the effects of SN on growth and infiltration of tumor and proliferation of transplanted tumor cells. RESULTS SN extract suppressed the viability of C6 cells in a dose-dependent manner. The extract attenuated cell cloning, migration and invasion, and induced cell Annexin V+ PI+ late-stage apoptosis. Besides, SN induced the expression of apoptotic proteins including Bax and Cleaved Caspase-3, downregulated anti-apoptotic protein Bcl-2, and decreased the level of migratory proteins MMP-2 and MMP-9. Moreover, SN reduced the growth and infiltration of C6 glioma tissue and suppressed the proliferation of tumor cells in rat brain. CONCLUSIONS SN extract has significant inhibitory activity on the growth and invasion of C6 HGG in vivo and in vitro.
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Affiliation(s)
- Jia-Hui Li
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, 210006, China
| | - Song-Ya Li
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, 210006, China
| | - Ming-Xue Shen
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, 210006, China
| | - Run-Ze Qiu
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, 210006, China
| | - Hong-Wei Fan
- Department of Clinical Pharmacology Lab, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, 210006, China.
| | - Ying-Bin Li
- Department of Neurosurgery, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210011, China.
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20
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Koshkin SA, Anatskaya OV, Vinogradov AE, Uversky VN, Dayhoff GW, Bystriakova MA, Pospelov VA, Tolkunova EN. Isolation and Characterization of Human Colon Adenocarcinoma Stem-Like Cells Based on the Endogenous Expression of the Stem Markers. Int J Mol Sci 2021; 22:4682. [PMID: 33925224 PMCID: PMC8124683 DOI: 10.3390/ijms22094682] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/26/2021] [Accepted: 04/26/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Cancer stem cells' (CSCs) self-maintenance is regulated via the pluripotency pathways promoting the most aggressive tumor phenotype. This study aimed to use the activity of these pathways for the CSCs' subpopulation enrichment and separating cells characterized by the OCT4 and SOX2 expression. METHODS To select and analyze CSCs, we used the SORE6x lentiviral reporter plasmid for viral transduction of colon adenocarcinoma cells. Additionally, we assessed cell chemoresistance, clonogenic, invasive and migratory activity and the data of mRNA-seq and intrinsic disorder predisposition protein analysis (IDPPA). RESULTS We obtained the line of CSC-like cells selected on the basis of the expression of the OCT4 and SOX2 stem cell factors. The enriched CSC-like subpopulation had increased chemoresistance as well as clonogenic and migration activities. The bioinformatic analysis of mRNA seq data identified the up-regulation of pluripotency, development, drug resistance and phototransduction pathways, and the downregulation of pathways related to proliferation, cell cycle, aging, and differentiation. IDPPA indicated that CSC-like cells are predisposed to increased intrinsic protein disorder. CONCLUSION The use of the SORE6x reporter construct for CSCs enrichment allows us to obtain CSC-like population that can be used as a model to search for the new prognostic factors and potential therapeutic targets for colon cancer treatment.
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Affiliation(s)
- Sergei A. Koshkin
- Institute of Cytology of the Russian Academy of Science, 194064 St-Petersburg, Russia; (M.A.B.); (V.A.P.)
- Department of Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University, 1015 Walnut Street, Ste. 1024, Philadelphia, PA 19107, USA
| | - Olga V. Anatskaya
- Institute of Cytology of the Russian Academy of Science, 194064 St-Petersburg, Russia; (M.A.B.); (V.A.P.)
| | - Alexander E. Vinogradov
- Institute of Cytology of the Russian Academy of Science, 194064 St-Petersburg, Russia; (M.A.B.); (V.A.P.)
| | - Vladimir N. Uversky
- Department of Molecular Medicine and USF Health Byrd Alzheimer’s Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Guy W. Dayhoff
- Department of Chemistry, College of Art and Sciences, University of South Florida, Tampa, FL 33620, USA;
| | - Margarita A. Bystriakova
- Institute of Cytology of the Russian Academy of Science, 194064 St-Petersburg, Russia; (M.A.B.); (V.A.P.)
| | - Valery A. Pospelov
- Institute of Cytology of the Russian Academy of Science, 194064 St-Petersburg, Russia; (M.A.B.); (V.A.P.)
| | - Elena N. Tolkunova
- Institute of Cytology of the Russian Academy of Science, 194064 St-Petersburg, Russia; (M.A.B.); (V.A.P.)
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21
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Wang J, Zhang Y, Liu L, Yang T, Song J. Circular RNAs: new biomarkers of chemoresistance in cancer. Cancer Biol Med 2021; 18:j.issn.2095-3941.2020.0312. [PMID: 33738995 PMCID: PMC8185855 DOI: 10.20892/j.issn.2095-3941.2020.0312] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 11/27/2020] [Indexed: 12/17/2022] Open
Abstract
Chemotherapeutics are validated conventional treatments for patients with advanced cancer. However, with continual application of chemotherapeutics, chemoresistance, which is often predictive of poor prognosis, has gradually become a concern in recent years. Circular RNAs (circRNAs), a class of endogenous noncoding RNAs (ncRNAs) with a closed-loop structure, have been reported to be notable targets and markers for the prognosis, diagnosis, and treatment of many diseases, particularly cancer. Although dozens of studies have shown that circRNAs play major roles in drug-resistance activity in tumors, the mechanisms by which circRNAs affect chemoresistance have yet to be explored. In this review, we describe the detailed mechanisms of circRNAs and chemotherapeutics in various cancers and summarize potential therapeutic targets for drug-resistant tumors.
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Affiliation(s)
- Jiaqi Wang
- Department of General Surgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
- Institute of Digestive Diseases of Xuzhou Medical University, Xuzhou 221002, China
| | - Yi Zhang
- Department of General Surgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Lianyu Liu
- Department of General Surgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
- Institute of Digestive Diseases of Xuzhou Medical University, Xuzhou 221002, China
| | - Ting Yang
- Department of General Surgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
| | - Jun Song
- Department of General Surgery, The Affiliated Hospital of Xuzhou Medical University, Xuzhou 221002, China
- Institute of Digestive Diseases of Xuzhou Medical University, Xuzhou 221002, China
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22
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Mangiola S, Thomas EA, Modrák M, Vehtari A, Papenfuss A. Probabilistic outlier identification for RNA sequencing generalized linear models. NAR Genom Bioinform 2021; 3:lqab005. [PMID: 33709073 PMCID: PMC7936652 DOI: 10.1093/nargab/lqab005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 11/30/2020] [Accepted: 01/27/2021] [Indexed: 02/06/2023] Open
Abstract
Relative transcript abundance has proven to be a valuable tool for understanding the function of genes in biological systems. For the differential analysis of transcript abundance using RNA sequencing data, the negative binomial model is by far the most frequently adopted. However, common methods that are based on a negative binomial model are not robust to extreme outliers, which we found to be abundant in public datasets. So far, no rigorous and probabilistic methods for detection of outliers have been developed for RNA sequencing data, leaving the identification mostly to visual inspection. Recent advances in Bayesian computation allow large-scale comparison of observed data against its theoretical distribution given in a statistical model. Here we propose ppcseq, a key quality-control tool for identifying transcripts that include outlier data points in differential expression analysis, which do not follow a negative binomial distribution. Applying ppcseq to analyse several publicly available datasets using popular tools, we show that from 3 to 10 percent of differentially abundant transcripts across algorithms and datasets had statistics inflated by the presence of outliers.
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Affiliation(s)
- Stefano Mangiola
- The Walter and Eliza Hall Institute, Parkville, Victoria, 3052, Australia
- Department of Medical Biology, University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Evan A Thomas
- The Walter and Eliza Hall Institute, Parkville, Victoria, 3052, Australia
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Victoria, 3010, Australia
| | - Martin Modrák
- Institute of Microbiology of the Czech Academy of Sciences, Prague, 1083, Czech Republic
| | - Aki Vehtari
- Department of Computer Science, Aalto University, Aalto, FI-00076, Finland
| | - Anthony T Papenfuss
- The Walter and Eliza Hall Institute, Parkville, Victoria, 3052, Australia
- Department of Medical Biology, University of Melbourne, Melbourne, Victoria, 3010, Australia
- Peter MacCallum Cancer Centre, Melbourne, Victoria, 3000, Australia
- Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, 3010, Australia
- School of Mathematics and Statistics, University of Melbourne, Melbourne, Victoria, 3010, Australia
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23
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A Novel Glucose Metabolism-Related Gene Signature for Overall Survival Prediction in Patients with Glioblastoma. BIOMED RESEARCH INTERNATIONAL 2021; 2021:8872977. [PMID: 33553434 PMCID: PMC7847336 DOI: 10.1155/2021/8872977] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/22/2020] [Accepted: 01/13/2021] [Indexed: 12/14/2022]
Abstract
Introduction Glioblastoma (GBM) is one of the most frequent primary intracranial malignancies, with limited treatment options and poor overall survival rates. Alternated glucose metabolism is a key metabolic feature of tumour cells, including GBM cells. However, due to high cellular heterogeneity, accurately predicting the prognosis of GBM patients using a single biomarker is difficult. Therefore, identifying a novel glucose metabolism-related biomarker signature is important and may contribute to accurate prognosis prediction for GBM patients. Methods In this research, we performed gene set enrichment analysis and profiled four glucose metabolism-related gene sets containing 327 genes related to biological processes. Univariate and multivariate Cox regression analyses were specifically completed to identify genes to build a specific risk signature, and we identified ten mRNAs (B4GALT7, CHST12, G6PC2, GALE, IL13RA1, LDHB, SPAG4, STC1, TGFBI, and TPBG) within the Cox proportional hazards regression model for GBM. Results Depending on this glucose metabolism-related gene signature, we divided patients into high-risk (with poor outcomes) and low-risk (with satisfactory outcomes) subgroups. The results of the multivariate Cox regression analysis demonstrated that the prognostic potential of this ten-gene signature is independent of clinical variables. Furthermore, we used two other GBM databases (Chinese Glioma Genome Atlas (CGGA) and REMBRANDT) to validate this model. In the functional analysis results, the risk signature was associated with almost every step of cancer progression, such as adhesion, proliferation, angiogenesis, drug resistance, and even an immune-suppressed microenvironment. Moreover, we found that IL31RA expression was significantly different between the high-risk and low-risk subgroups. Conclusion The 10 glucose metabolism-related gene risk signatures could serve as an independent prognostic factor for GBM patients and might be valuable for the clinical management of GBM patients. The differential gene IL31RA may be a potential treatment target in GBM.
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24
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Systematic alteration of in vitro metabolic environments reveals empirical growth relationships in cancer cell phenotypes. Cell Rep 2021; 34:108647. [PMID: 33472066 PMCID: PMC7877896 DOI: 10.1016/j.celrep.2020.108647] [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: 05/18/2020] [Revised: 10/15/2020] [Accepted: 12/22/2020] [Indexed: 01/01/2023] Open
Abstract
Cancer cells, like microbes, live in complex metabolic environments. Recent evidence suggests that microbial behavior across metabolic environments is well described by simple empirical growth relationships, or growth laws. Do such empirical growth relationships also exist in cancer cells? To test this question, we develop a high-throughput approach to extract quantitative measurements of cancer cell behaviors in systematically altered metabolic environments. Using this approach, we examine relationships between growth and three frequently studied cancer phenotypes: drug-treatment survival, cell migration, and lactate overflow. Drug-treatment survival follows simple linear growth relationships, which differ quantitatively between chemotherapeutics and EGFR inhibition. Cell migration follows a weak grow-and-go growth relationship, with substantial deviation in some environments. Finally, lactate overflow is mostly decoupled from growth rate and is instead determined by the cells’ ability to maintain high sugar uptake rates. Altogether, this work provides a quantitative approach for formulating empirical growth laws of cancer. Kochanowski et al. quantify cancer cell phenotypes across systematically altered in vitro metabolic environments to search for phenotype-growth relationships, similar to the growth laws found in microbes. Three case studies highlight examples in which such growth relationships are clearly operating (cancer drug survival), weakly present (cell migration), or absent (lactate overflow).
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25
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Jia M, Su B, Mo L, Qiu W, Ying J, Lin P, Yang B, Li D, Wang D, Xu L, Li H, Zhou Z, Li X, Li J. Circadian clock protein CRY1 prevents paclitaxel‑induced senescence of bladder cancer cells by promoting p53 degradation. Oncol Rep 2020; 45:1033-1043. [PMID: 33650658 PMCID: PMC7860017 DOI: 10.3892/or.2020.7914] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 10/06/2020] [Indexed: 12/19/2022] Open
Abstract
Bladder cancer is a common tumor type of the urinary system, which has high levels of morbidity and mortality. The first‑line treatment is cisplatin‑based combination chemotherapy, but a significant proportion of patients relapse due to the development of drug resistance. Therapy‑induced senescence can act as a 'back‑up' response to chemotherapy in cancer types that are resistant to apoptosis‑based anticancer therapies. The circadian clock serves an important role in drug resistance and cellular senescence. The aim of the present study was to investigate the regulatory effect of the circadian clock on paclitaxel (PTX)‑induced senescence in cisplatin‑resistant bladder cancer cells. Cisplatin‑resistant bladder cancer cells were established via long‑term cisplatin incubation. PTX induced apparent senescence in bladder cancer cells as demonstrated via SA‑β‑Gal staining, but this was not observed in the cisplatin‑resistant cells. The cisplatin‑resistant cells entered into a quiescent state with prolonged circadian rhythm under acute PTX stress. It was identified that the circadian protein cryptochrome1 (CRY1) accumulated in these quiescent cisplatin‑resistant cells, and that CRY1 knockdown restored PTX‑induced senescence. Mechanistically, CRY1 promoted p53 degradation via increasing the binding of p53 with its ubiquitin E3 ligase MDM2 proto‑oncogene. These data suggested that the accumulated CRY1 in cisplatin‑resistant cells could prevent PTX‑induced senescence by promoting p53 degradation.
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Affiliation(s)
- Min Jia
- Shenzhen Ruipuxun Academy for Stem Cell and Regenerative Medicine, Shenzhen, Guangdong 518122, P.R. China
| | - Bijia Su
- Shenzhen Ruipuxun Academy for Stem Cell and Regenerative Medicine, Shenzhen, Guangdong 518122, P.R. China
| | - Lijun Mo
- Shenzhen Ruipuxun Academy for Stem Cell and Regenerative Medicine, Shenzhen, Guangdong 518122, P.R. China
| | - Wen Qiu
- Institute of Biotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Jiaxu Ying
- Institute of Biotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Peng Lin
- Institute of Biotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Bingxuan Yang
- The Third Clinical Medical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Danying Li
- Institute of Biotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Dongxia Wang
- Institute of Biotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Lili Xu
- Institute of Biotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Hongwei Li
- Institute of Biotherapy, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Zhongxin Zhou
- Department of Vascular Surgery, The Third Affiliated Hospital, Southern Medical University, Guangzhou, Guangdong 510630, P.R. China
| | - Xing Li
- Shenzhen Ruipuxun Academy for Stem Cell and Regenerative Medicine, Shenzhen, Guangdong 518122, P.R. China
| | - Jinlong Li
- Shenzhen Ruipuxun Academy for Stem Cell and Regenerative Medicine, Shenzhen, Guangdong 518122, P.R. China
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Najafi M, Mortezaee K, Majidpoor J. Cancer stem cell (CSC) resistance drivers. Life Sci 2019; 234:116781. [PMID: 31430455 DOI: 10.1016/j.lfs.2019.116781] [Citation(s) in RCA: 245] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 08/02/2019] [Accepted: 08/16/2019] [Indexed: 02/07/2023]
Abstract
Cancer stem cells (CSCs) are a population of self-renewal cells with high tumorigenic potency. CSCs can adopt easily with changes in the nearby milieu, and are more resistant to conventional therapies than other cells within a tumor. CSC resistance can be induced secondary to radio- and chemotherapy, or even after chemotherapy secession. A combination of both intrinsic and extrinsic factors is contributed to CSC-mediated therapy resistance. CSCs represent protective autophagy and efficient cell cycling, along with highly qualified epithelial-mesenchymal transition (EMT) regulators, reactive oxygen species (ROS) scavengers, drug transporters, and anti-apoptotic and DNA repairing systems. In addition, CSCs develop cross-talking and share some characteristics with other cells within the tumor microenvironment (TME) being more intense in higher stage tumors, and thereby sophisticating tumor-targeted therapies. TME, in fact, is a nest for aggravating resistance mechanisms in CSCs. TME is exposed constantly to the nutritional, metabolic and oxygen deprivation; these conditions promote CSC adaptation. This review is aimed to discuss main (intrinsic and extrinsic) mechanisms of CSC resistance and suggest some strategies to revoke this important promoter of therapy failure.
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Affiliation(s)
- Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Keywan Mortezaee
- Department of Anatomy, School of Medicine, Kurdistan University of Medical Sciences, Sanandaj, Iran; Cancer and Immunology Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran.
| | - Jamal Majidpoor
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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27
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High density is a property of slow-cycling and treatment-resistant human glioblastoma cells. Exp Cell Res 2019; 378:76-86. [PMID: 30844389 DOI: 10.1016/j.yexcr.2019.03.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 03/01/2019] [Accepted: 03/02/2019] [Indexed: 12/16/2022]
Abstract
Slow-cycling and treatment-resistant cancer cells escape therapy, providing a rationale for regrowth and recurrence in patients. Much interest has focused on identifying the properties of slow-cycling tumor cells in glioblastoma (GBM), the most common and lethal primary brain tumor. Despite aggressive ionizing radiation (IR) and treatment with the alkylating agent temozolomide (TMZ), GBM patients invariably relapse and ultimately succumb to the disease. In patient biopsies, we demonstrated that GBM cells expressing the proliferation markers Ki67 and MCM2 displayed a larger cell volume compared to rare slow-cycling tumor cells. In optimized density gradients, we isolated a minor fraction of slow-cycling GBM cells in patient biopsies and tumorsphere cultures. Transcriptional profiling, self-renewal, and tumorigenicity assays reflected the slow-cycling state of high-density GBM cells (HDGCs) compared to the tumor bulk of low-density GBM cells (LDGCs). Slow-cycling HDGCs enriched for stem cell antigens proliferated a few days after isolation to generate LDGCs. Both in vitro and in vivo, we demonstrated that HDGCs show increased treatment-resistance to IR and TMZ treatment compared to LDGCs. In conclusion, density gradients represent a non-marker based approach to isolate slow-cycling and treatment-resistant GBM cells across GBM subgroups.
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Uche-Okereafor N, Sebola T, Tapfuma K, Mekuto L, Green E, Mavumengwana V. Antibacterial Activities of Crude Secondary Metabolite Extracts from Pantoea Species Obtained from the Stem of Solanum mauritianum and Their Effects on Two Cancer Cell Lines. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:E602. [PMID: 30791418 PMCID: PMC6406648 DOI: 10.3390/ijerph16040602] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 02/07/2019] [Accepted: 02/14/2019] [Indexed: 12/11/2022]
Abstract
Endophytes are microorganisms that are perceived as non-pathogenic symbionts found inside plants since they cause no symptoms of disease on the host plant. Soil conditions and geography among other factors contribute to the type(s) of endophytes isolated from plants. Our research interest is the antibacterial activity of secondary metabolite crude extracts from the medicinal plant Solanum mauritianum and its bacterial endophytes. Fresh, healthy stems of S. mauritianum were collected, washed, surface sterilized, macerated in PBS, inoculated in the nutrient agar plates, and incubated for 5 days at 30 °C. Amplification and sequencing of the 16S rRNA gene was applied to identify the isolated bacterial endophytes. These endophytes were then grown in nutrient broth for 7⁻14 days, after which sterilized Amberlite® XAD7HP 20⁻60 mesh (Merck KGaA, Darmstadt, Germany) resin was added to each culture to adsorb the secondary metabolites, which were later extracted using ethyl acetate. Concentrated crude extracts from each bacterial endophyte were tested for antibacterial activity against 11 pathogenic bacteria and two human cancer cell lines. In this study, a total of three bacterial endophytes of the Pantoea genus were identified from the stem of S. mauritianum. The antibacterial test showed that crude secondary metabolites of the endophytes and stem of S. mauritianum possessed antibacterial properties against pathogenic microbes such as Escherichia coli, Staphylococcus aureus, Klebsiella pneumoniae, and Pseudomonas aeruginosa, with concentrations showing inhibition ranging from 0.0625 to 8.0000 mg/mL. The anticancer analysis showed an increase in cell proliferation when A549 lung carcinoma and UMG87 glioblastoma cell lines were treated with both the plant and endophytes' crude extracts. As far as we know, this is the first study of its kind on Solanum mauritianum in South Africa showing S. mauritianum endophytes having activity against some of the common human pathogenic organisms.
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Affiliation(s)
- Nkemdinma Uche-Okereafor
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, PO Box 17011, Doornfontein, Johannesburg 2028, South Africa.
| | - Tendani Sebola
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, PO Box 17011, Doornfontein, Johannesburg 2028, South Africa.
| | - Kudzanai Tapfuma
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, PO Box 17011, Doornfontein, Johannesburg 2028, South Africa.
| | - Lukhanyo Mekuto
- Department of Chemical Engineering, Faculty of Engineering and the Built Environment, University of Johannesburg, PO Box 17011, Doornfontein, Johannesburg 2028, South Africa.
| | - Ezekiel Green
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, PO Box 17011, Doornfontein, Johannesburg 2028, South Africa.
| | - Vuyo Mavumengwana
- South African Medical Research Council Centre for Tuberculosis Research, Division of Molecular Biology and Human Genetics, Department of Medicine and Health Sciences, Stellenbosch University, Tygerberg 7505, South Africa.
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