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Jasim SA, Salahdin OD, Malathi H, Sharma N, Rab SO, Aminov Z, Pramanik A, Mohammed IH, Jawad MA, Gabel BC. Targeting Hepatic Cancer Stem Cells (CSCs) and Related Drug Resistance by Small Interfering RNA (siRNA). Cell Biochem Biophys 2024:10.1007/s12013-024-01423-5. [PMID: 39060914 DOI: 10.1007/s12013-024-01423-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/10/2024] [Indexed: 07/28/2024]
Abstract
Tumor recurrence after curative therapy and hepatocellular carcinoma (HCC) cells' resistance to conventional therapies is the reasons for the worse clinical results of HCC patients. A tiny population of cancer cells with a strong potential for self-renewal, differentiation, and tumorigenesis has been identified as cancer stem cells (CSCs). The discovery of CSC surface markers and the separation of CSC subpopulations from HCC cells have been made possible by recent developments in the study of hepatic (liver) CSCs. Hepatic CSC surface markers include epithelial cell adhesion molecules (EpCAM), CD133, CD90, CD13, CD44, OV-6, ALDH, and K19. CSCs have a significant influence on the development of cancer, invasiveness, self-renewal, metastasis, and drug resistance in HCC, and thus provide a therapeutic chance to treat HCC and avoid its recurrence. Therefore, it is essential to develop treatment approaches that specifically and effectively target hepatic stem cells. Given this, one potential treatment approach is to use particular small interfering RNA (siRNA) to target CSC, disrupting their behavior and microenvironment as well as changing their epigenetic state. The characteristics of CSCs in HCC are outlined in this study, along with new treatment approaches based on siRNA that may be used to target hepatic CSCs and overcome HCC resistance to traditional therapies.
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Affiliation(s)
| | | | - H Malathi
- Department of Biotechnology and Genetics, School of Sciences, JAIN (Deemed to be University, Bangalore, Karnataka, India
| | - Neha Sharma
- Chandigarh Pharmacy College, Chandigarh group of Colleges, Jhanjeri, 140307, Mohali, Punjab, India
| | - Safia Obaidur Rab
- Department of Clinical Laboratory Sciences, College of Applied Medical Science, King Khalid University, Abha, Saudi Arabia
| | - Zafar Aminov
- Department of Public Health and Healthcare management, Samarkand State Medical University, 18 Amir Temur Street, Samarkand, Uzbekistan
| | - Atreyi Pramanik
- School of Applied and Life Sciences, Division of Research and Innovation, Uttaranchal University, Dehradun, Uttarakhand, India
| | - Israa Hussein Mohammed
- College of nursing, National University of Science and Technology, Nasiriyah, Dhi Qar, Iraq
| | - Mohammed Abed Jawad
- Department of Medical Laboratories Technology, Al-Nisour University College, Baghdad, Iraq
| | - Benien C Gabel
- Medical laboratory technique college, the Islamic University, Najaf, Iraq
- Medical laboratory technique college, the Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq
- Medical laboratory technique college, the Islamic University of Babylon, Babylon, Iraq
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Zou W, Zhang Y, Bai G, Zhuang J, Wei L, Wang Z, Sun M, Wang J. siRNA-induced CD44 knockdown suppresses the proliferation and invasion of colorectal cancer stem cells through inhibiting epithelial-mesenchymal transition. J Cell Mol Med 2022; 26:1969-1978. [PMID: 35229451 PMCID: PMC8980945 DOI: 10.1111/jcmm.17221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 01/15/2022] [Accepted: 01/18/2022] [Indexed: 12/04/2022] Open
Abstract
CD44 has shown prognostic values and promising therapeutic potential in multiple human cancers; however, the effects of CD44 silencing on biological behaviors of cancer stem cells (CSCs) have not been fully understood in colorectal cancer. To examine the contribution of siRNA‐induced knockdown of CD44 to the biological features of colorectal CSCs, colorectal CSCs HCT116‐CSCs were generated, and CD44 was knocked down in HCT116‐CSCs using siRNA. The proliferation, migration and invasion of HCT116‐CSCs were measured, and apoptosis and cell‐cycle analyses were performed. The sensitivity of HCT116‐CSCs to oxaliplatin was tested, and xenograft tumor growth assay was performed to examine the role of CD44 in HCT116‐CSCs tumorigenesis in vivo. In addition, the expression of epithelial–mesenchymal transition (EMT) markers E‐cadherin, N‐cadherin and vimentin was quantified. siRNA‐induced knockdown of CD44 was found to inhibit the proliferation, migration and invasion, induce apoptosis, promote cell‐cycle arrest at the G1/G0 phase and increase the sensitivity of HCT116‐CSCs to oxaliplatin in HCT116‐CSCs, and knockdown of CD44 suppressed in vivo tumorigenesis and intrapulmonary metastasis of HCT116‐CSCs. Moreover, silencing CD44 resulted in EMT inhibition. Our findings demonstrate that siRNA‐induced CD44 knockdown suppresses the proliferation, invasion and in vivo tumorigenesis and metastasis of colorectal CSCs by inhibiting EMT.
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Affiliation(s)
- Weiyan Zou
- Department of Histology and Embryology, Bengbu Medical College, Bengbu City, China
| | - Yi Zhang
- The Second Department of Surgery, Xiamen Hospital Affiliated to Beijing University of Chinese Medicine, Xiamen City, China
| | - Guangfu Bai
- Department of Emergency, Wuxi Huishan District People's Hospital, Wuxi City, China
| | - Jialu Zhuang
- The Second School of Clinical Medicine, Bengbu Medical College, Bengbu City, China
| | - Lin Wei
- The Second School of Clinical Medicine, Bengbu Medical College, Bengbu City, China
| | - Zishu Wang
- Department of Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu City, China
| | - Meiqun Sun
- Department of Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu City, China
| | - Junbin Wang
- Department of Oncology, The First Affiliated Hospital of Bengbu Medical College, Bengbu City, China
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Kummer B, Löck S, Gurtner K, Hermann N, Yaromina A, Eicheler W, Baumann M, Krause M, Jentsch C. Value of functional in-vivo endpoints in preclinical radiation research. Radiother Oncol 2021; 158:155-161. [PMID: 33639191 DOI: 10.1016/j.radonc.2021.02.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 02/11/2021] [Accepted: 02/18/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Cancer research faces the problem of high rates of clinical failure of new treatment approaches after positive preclinical data. We hypothesize that a major confounding factor to this problem in radiooncology is the choice of the preclinical endpoint. METHODS We present a comprehensive re-evaluation of large-scale preclinical in-vivo data on fractionated irradiation alone or simultaneously with Epidermal Growth Factor Receptor inhibition. Taking the permanent local tumour control assay as a gold standard, we evaluated different tumour volume dependent endpoints that are widely used for preclinical experiments. RESULTS The analysis showed the highest correlations between volume related and local tumour control endpoints after irradiation alone. For combined treatments, wide inter-tumoural variations were observed with reduced correlation between the endpoints. Evaluation of growth delay per Gray (GD/Gy) based on two or more dose levels showed closest correlation with local tumour control dose 50% (TCD50). CONCLUSIONS GD/Gy with at least two dose groups correlates with TCD50, but cannot replace the latter as the goldstandard.
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Affiliation(s)
- Berit Kummer
- Department of Radiation Oncology and OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
| | - Steffen Löck
- Department of Radiation Oncology and OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany; German Cancer Consortium (DKTK), Partner Site Dresden, and German Cancer Research Center, Heidelberg, Germany; National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany; German Cancer Research Center (DKFZ) Heidelberg, Germany
| | - Kristin Gurtner
- Department of Radiation Oncology and OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany; National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany; German Cancer Research Center (DKFZ) Heidelberg, Germany
| | - Nadine Hermann
- Department of Radiation Oncology and OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
| | - Ala Yaromina
- Department of Radiation Oncology and OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany; The D-Lab and The M-Lab, Department of Precision Medicine, GROW - School for Oncology and Developmental Biology, Maastricht University, Maastricht, the Netherlands
| | - Wolfgang Eicheler
- Department of Radiation Oncology and OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
| | - Michael Baumann
- Department of Radiation Oncology and OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany; German Cancer Consortium (DKTK), Core Center Heidelberg, Germany; German Cancer Research Center (DKFZ) Heidelberg, Germany
| | - Mechthild Krause
- Department of Radiation Oncology and OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany; German Cancer Consortium (DKTK), Partner Site Dresden, and German Cancer Research Center, Heidelberg, Germany; Helmholtz-Zentrum Dresden - Rossendorf, Dresden, Germany; National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany; German Cancer Research Center (DKFZ) Heidelberg, Germany.
| | - Christina Jentsch
- Department of Radiation Oncology and OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, and Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany; National Center for Tumor Diseases (NCT), Partner Site Dresden, Germany; German Cancer Research Center (DKFZ) Heidelberg, Germany
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Androgen Deprivation Induces Transcriptional Reprogramming in Prostate Cancer Cells to Develop Stem Cell-Like Characteristics. Int J Mol Sci 2020; 21:ijms21249568. [PMID: 33339129 PMCID: PMC7765584 DOI: 10.3390/ijms21249568] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 12/10/2020] [Accepted: 12/11/2020] [Indexed: 12/22/2022] Open
Abstract
Enzalutamide, an antiandrogen, is approved for therapy of castration resistant prostate cancer. Clinical applications have shown that approximately 30% of patients acquire resistance after a short period of treatment. However, the molecular mechanisms underlying this resistance is not completely understood. To identify transcriptomic signatures associated with acquisition of drug resistance we profiled gene expression of paired enzalutamide sensitive and resistant human prostate cancer LNCaP (lymph node carcinoma of the prostate) and C4-2B cells. Overlapping genes differentially regulated in the enzalutamide resistant cells were ranked by Ingenuity Pathway Analysis and their functional validation was performed using ingenuity knowledge database followed by confirmation to correlate transcript with protein expression. Analysis revealed that genes associated with cancer stem cells, such as POU5F1 (OCT4), SOX2, NANOG, BMI1, BMP2, CD44, SOX9, and ALDH1 were markedly upregulated in enzalutamide resistant cells. Amongst the pathways enriched in the enzalutamide-resistant cells were those associated with RUNX2, hedgehog, integrin signaling, and molecules associated with elastic fibers. Further examination of a patient cohort undergoing ADT and its comparison with no-ADT group demonstrated high expression of POU5F1 (OCT4), ALDH1, and SOX2 in ADT specimens, suggesting that they may be clinically relevant therapeutic targets. Altogether, our approach exhibits the potential of integrative transcriptomic analyses to identify critical genes and pathways of antiandrogen resistance as a promising approach for designing novel therapeutic strategies to circumvent drug resistance.
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Survival Mechanisms and Influence Factors of Circulating Tumor Cells. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6304701. [PMID: 30515411 PMCID: PMC6236925 DOI: 10.1155/2018/6304701] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 09/13/2018] [Accepted: 09/27/2018] [Indexed: 02/06/2023]
Abstract
Circulating tumor cells (CTCs) are cancer cells shed from either the primary tumor or its metastases that circulate in the peripheral blood. The CTCs are regarded as the source of tumor recurrence and metastasis and speculated as the indicators of residual tumors, thereby indicating a poor prognosis. Although CTCs play a vital role in tumor metastasis and recurrence, little is known about the underlying survival mechanisms in the blood circulation. The accumulating evidence has revealed that CTCs might survive in the peripheral blood by overcoming the mechanical damage due to shear stress, resistance to anoikis, evasion of immune destruction, and resistance to chemotherapy. The present review addresses the putative survival mechanisms underlying the formation and migration of CTCs according to their biological characteristics and blood microenvironment. In addition, the relationship between CTCs and microenvironment is illustrated, and the influencing factors related to the interactions of CTCs with various components in the peripheral blood are reviewed with respect to the platelets, immune cells, cytokines, and circulating tumor microemboli (CTM). Furthermore, the recent advances in the new treatment strategies targeting the survival mechanisms of CTCs are also discussed.
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Dvořánková B, Szabo P, Kodet O, Strnad H, Kolář M, Lacina L, Krejčí E, Naňka O, Šedo A, Smetana K. Intercellular crosstalk in human malignant melanoma. PROTOPLASMA 2017; 254:1143-1150. [PMID: 27807664 DOI: 10.1007/s00709-016-1038-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Accepted: 10/19/2016] [Indexed: 06/06/2023]
Abstract
Incidence of malignant melanoma is increasing globally. While the initial stages of tumors can be easily treated by a simple surgery, the therapy of advanced stages is rather limited. Melanoma cells spread rapidly through the body of a patient to form multiple metastases. Consequently, the survival rate is poor. Therefore, emphasis in melanoma research is given on early diagnosis and development of novel and more potent therapeutic options. The malignant melanoma is arising from melanocytes, cells protecting mitotically active keratinocytes against damage caused by UV light irradiation. The melanocytes originate in the neural crest and consequently migrate to the epidermis. The relationship between the melanoma cells, the melanocytes, and neural crest stem cells manifests when the melanoma cells are implanted to an early embryo: they use similar migratory routes as the normal neural crest cells. Moreover, malignant potential of these melanoma cells is overdriven in this experimental model, probably due to microenvironmental reprogramming. This observation demonstrates the crucial role of the microenvironment in melanoma biology. Indeed, malignant tumors in general represent complex ecosystems, where multiple cell types influence the growth of genetically mutated cancer cells. This concept is directly applicable to the malignant melanoma. Our review article focuses on possible strategies to modify the intercellular crosstalk in melanoma that can be employed for therapeutic purposes.
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Affiliation(s)
- Barbora Dvořánková
- Institute of Anatomy, Charles University, 1st Faculty of Medicine, U Nemocnice 3, 128 00, Prague, Czech Republic
- BIOCEV, Průmyslová 595, 252 50, Vestec, Czech Republic
| | - Pavol Szabo
- Institute of Anatomy, Charles University, 1st Faculty of Medicine, U Nemocnice 3, 128 00, Prague, Czech Republic
- BIOCEV, Průmyslová 595, 252 50, Vestec, Czech Republic
| | - Ondřej Kodet
- Institute of Anatomy, Charles University, 1st Faculty of Medicine, U Nemocnice 3, 128 00, Prague, Czech Republic
- BIOCEV, Průmyslová 595, 252 50, Vestec, Czech Republic
- Department of Dermatology and Venerology, Charles University, 1st Faculty of Medicine and General University Hospital in Prague, U Nemocnice 2, 128 08, Prague, Czech Republic
| | - Hynek Strnad
- Institute of Molecular Genetics, Academy of Sciences of the Czech Republic, Vídeňská 1083, 142 20, Prague, Czech Republic
| | - Michal Kolář
- Institute of Molecular Genetics, Academy of Sciences of the Czech Republic, Vídeňská 1083, 142 20, Prague, Czech Republic
| | - Lukáš Lacina
- Institute of Anatomy, Charles University, 1st Faculty of Medicine, U Nemocnice 3, 128 00, Prague, Czech Republic
- Department of Dermatology and Venerology, Charles University, 1st Faculty of Medicine and General University Hospital in Prague, U Nemocnice 2, 128 08, Prague, Czech Republic
| | - Eliška Krejčí
- Institute of Anatomy, Charles University, 1st Faculty of Medicine, U Nemocnice 3, 128 00, Prague, Czech Republic
| | - Ondřej Naňka
- Institute of Anatomy, Charles University, 1st Faculty of Medicine, U Nemocnice 3, 128 00, Prague, Czech Republic
| | - Aleksi Šedo
- Institute of Biochemistry and Experimental Oncology, Charles University, 1st Faculty of Medicine, U Nemocnice 5, 128 53, Prague, Czech Republic
| | - Karel Smetana
- Institute of Anatomy, Charles University, 1st Faculty of Medicine, U Nemocnice 3, 128 00, Prague, Czech Republic.
- BIOCEV, Průmyslová 595, 252 50, Vestec, Czech Republic.
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