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Theard PL, Linke AJ, Sealover NE, Daley BR, Yang J, Cox K, Kortum RL. SOS2 modulates the threshold of EGFR signaling to regulate osimertinib efficacy and resistance in lung adenocarcinoma. Mol Oncol 2024; 18:641-661. [PMID: 38073064 PMCID: PMC10920089 DOI: 10.1002/1878-0261.13564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 10/23/2023] [Accepted: 12/08/2023] [Indexed: 01/02/2024] Open
Abstract
Son of sevenless 1 and 2 (SOS1 and SOS2) are RAS guanine nucleotide exchange factors (RasGEFs) that mediate physiologic and pathologic receptor tyrosine kinase (RTK)-dependent RAS activation. Here, we show that SOS2 modulates the threshold of epidermal growth factor receptor (EGFR) signaling to regulate the efficacy of and resistance to the EGFR tyrosine kinase inhibitor (EGFR-TKI) osimertinib in lung adenocarcinoma (LUAD). SOS2 deletion (SOS2KO ) sensitized EGFR-mutated cells to perturbations in EGFR signaling caused by reduced serum and/or osimertinib treatment to inhibit phosphatidylinositol 3-kinase (PI3K)/AKT pathway activation, oncogenic transformation, and survival. Bypassing RTK reactivation of PI3K/AKT signaling represents a common resistance mechanism to EGFR-TKIs; SOS2KO reduced PI3K/AKT reactivation to limit osimertinib resistance. In a forced HGF/MET-driven bypass model, SOS2KO inhibited hepatocyte growth factor (HGF)-stimulated PI3K signaling to block HGF-driven osimertinib resistance. Using a long-term in situ resistance assay, most osimertinib-resistant cultures exhibited a hybrid epithelial/mesenchymal phenotype associated with reactivated RTK/AKT signaling. In contrast, RTK/AKT-dependent osimertinib resistance was markedly reduced by SOS2 deletion; the few SOS2KO cultures that became osimertinib resistant primarily underwent non-RTK-dependent epithelial-mesenchymal transition (EMT). Since bypassing RTK reactivation and/or tertiary EGFR mutations represent most osimertinib-resistant cancers, these data suggest that targeting proximal RTK signaling, here exemplified by SOS2 deletion, has the potential to delay the development osimertinib resistance and enhance overall clinical responses for patients with EGFR-mutated LUAD.
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Affiliation(s)
- Patricia L. Theard
- Department of Pharmacology and Molecular TherapeuticsUniformed Services University of the Health SciencesBethesdaMDUSA
| | - Amanda J. Linke
- Department of Pharmacology and Molecular TherapeuticsUniformed Services University of the Health SciencesBethesdaMDUSA
| | - Nancy E. Sealover
- Department of Pharmacology and Molecular TherapeuticsUniformed Services University of the Health SciencesBethesdaMDUSA
| | - Brianna R. Daley
- Department of Pharmacology and Molecular TherapeuticsUniformed Services University of the Health SciencesBethesdaMDUSA
| | - Johnny Yang
- Department of Pharmacology and Molecular TherapeuticsUniformed Services University of the Health SciencesBethesdaMDUSA
| | - Katherine Cox
- Department of Pharmacology and Molecular TherapeuticsUniformed Services University of the Health SciencesBethesdaMDUSA
| | - Robert L. Kortum
- Department of Pharmacology and Molecular TherapeuticsUniformed Services University of the Health SciencesBethesdaMDUSA
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Khan SU, Fatima K, Aisha S, Malik F. Unveiling the mechanisms and challenges of cancer drug resistance. Cell Commun Signal 2024; 22:109. [PMID: 38347575 PMCID: PMC10860306 DOI: 10.1186/s12964-023-01302-1] [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: 07/01/2023] [Accepted: 08/30/2023] [Indexed: 02/15/2024] Open
Abstract
Cancer treatment faces many hurdles and resistance is one among them. Anti-cancer treatment strategies are evolving due to innate and acquired resistance capacity, governed by genetic, epigenetic, proteomic, metabolic, or microenvironmental cues that ultimately enable selected cancer cells to survive and progress under unfavorable conditions. Although the mechanism of drug resistance is being widely studied to generate new target-based drugs with better potency than existing ones. However, due to the broader flexibility in acquired drug resistance, advanced therapeutic options with better efficacy need to be explored. Combination therapy is an alternative with a better success rate though the risk of amplified side effects is commonplace. Moreover, recent groundbreaking precision immune therapy is one of the ways to overcome drug resistance and has revolutionized anticancer therapy to a greater extent with the only limitation of being individual-specific and needs further attention. This review will focus on the challenges and strategies opted by cancer cells to withstand the current therapies at the molecular level and also highlights the emerging therapeutic options -like immunological, and stem cell-based options that may prove to have better potential to challenge the existing problem of therapy resistance. Video Abstract.
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Affiliation(s)
- Sameer Ullah Khan
- Division of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Holcombe Blvd, Houston, TX, 77030, USA.
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar-190005, Jammu and Kashmir, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India.
| | - Kaneez Fatima
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar-190005, Jammu and Kashmir, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Shariqa Aisha
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar-190005, Jammu and Kashmir, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Fayaz Malik
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar-190005, Jammu and Kashmir, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India.
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Zhang H, Song J, Ward R, Han Y, Hunt A, Shriwas P, Steed A, Edwards C, Cao Y, Co M, Chen X. Diverse temporal and spatial mechanisms work, partially through Stanniocalcin-1, V-ATPase and senescence, to activate the extracellular ATP-mediated drug resistance in human cancer cells. Front Oncol 2024; 14:1276092. [PMID: 38380370 PMCID: PMC10876858 DOI: 10.3389/fonc.2024.1276092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 01/17/2024] [Indexed: 02/22/2024] Open
Abstract
Introduction Resistance to drug therapies is associated with a large majority of cancer-related deaths. ATP-binding cassette (ABC) transporter-mediated drug efflux, epithelial-mesenchymal transition (EMT), cancer stem cells (CSCs), glutathione (GSH), senescence, and vacuole-type ATPase (V-ATPase) all contribute to the resistance. We recently showed that extracellular ATP (eATP) induces and regulates EMT, CSC formation, and ABC transporters in human cancer cells and tumors. eATP also consistently upregulates Stanniocalcin-1 (STC1), a gene that significantly contributes to EMT, CSC formation, and tumor growth. We also found that eATP enhances drug resistance in cancer cells through eATP internalization mediated by macropinocytosis, leading to an elevation of intracellular ATP (iATP) levels, induction of EMT, and CSC formation. However, these factors have never been systematically investigated in the context of eATP-induced drug resistance. Methods In this study, we hypothesized that eATP increases drug resistance via inducing ABC efflux, EMT, CSCs, STC1, and their accompanied processes such as GSH reducing activity, senescence, and V-ATPase. RNA sequencing, metabolomics, gene knockdown and knockout, and functional assays were performed to investigate these pathways and processes. Results and discussion Our study results showed that, in multiple human cancer lines, eATP induced genes involved in drug resistance, elevated ABC transporters' efflux activity of anticancer drugs; generated transcriptomic and metabolic profiles representing a drug resistant state; upregulated activities of GSH, senescence, and V-ATPase to promote drug resistance. Collectively, these newly found players shed light on the mechanisms of eATP-induced as well as STC1- and V-ATPase-mediated drug resistance and offer potential novel targets for combating drug resistance in cancers.
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Affiliation(s)
- Haiyun Zhang
- Department of Biological Science, Ohio University, Athens, OH, United States
- The Edison Biotechnology Institute, Ohio University, Athens, OH, United States
- The Program of Molecular and Cellular Biology, Ohio University, Athens, OH, United States
| | - Jingwen Song
- Department of Biological Science, Ohio University, Athens, OH, United States
- The Edison Biotechnology Institute, Ohio University, Athens, OH, United States
- The Program of Molecular and Cellular Biology, Ohio University, Athens, OH, United States
| | - Ryan Ward
- The Honor Tutorial College, Ohio University, Athens, OH, United States
| | - Yong Han
- The Edison Biotechnology Institute, Ohio University, Athens, OH, United States
| | - Arabella Hunt
- The Honor Tutorial College, Ohio University, Athens, OH, United States
| | - Pratik Shriwas
- Department of Biological Science, Ohio University, Athens, OH, United States
- The Edison Biotechnology Institute, Ohio University, Athens, OH, United States
- The Program of Molecular and Cellular Biology, Ohio University, Athens, OH, United States
| | - Alexander Steed
- Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, United States
| | - Cory Edwards
- Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, United States
| | - Yanyang Cao
- Department of Biological Science, Ohio University, Athens, OH, United States
- The Edison Biotechnology Institute, Ohio University, Athens, OH, United States
- The Program of Molecular and Cellular Biology, Ohio University, Athens, OH, United States
| | - Milo Co
- Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, United States
| | - Xiaozhuo Chen
- Department of Biological Science, Ohio University, Athens, OH, United States
- The Edison Biotechnology Institute, Ohio University, Athens, OH, United States
- The Program of Molecular and Cellular Biology, Ohio University, Athens, OH, United States
- Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, United States
- Department of Biomedical Science, Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, United States
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Maleki EH, Bahrami AR, Matin MM. Cancer cell cycle heterogeneity as a critical determinant of therapeutic resistance. Genes Dis 2024; 11:189-204. [PMID: 37588236 PMCID: PMC10425754 DOI: 10.1016/j.gendis.2022.11.025] [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: 06/17/2022] [Revised: 10/20/2022] [Accepted: 11/16/2022] [Indexed: 01/15/2023] Open
Abstract
Intra-tumor heterogeneity is now arguably one of the most-studied topics in tumor biology, as it represents a major obstacle to effective cancer treatment. Since tumor cells are highly diverse at genetic, epigenetic, and phenotypic levels, intra-tumor heterogeneity can be assumed as an important contributing factor to the nullification of chemotherapeutic effects, and recurrence of the tumor. Based on the role of heterogeneous subpopulations of cancer cells with varying cell-cycle dynamics and behavior during cancer progression and treatment; herein, we aim to establish a comprehensive definition for adaptation of neoplastic cells against therapy. We discuss two parallel and yet distinct subpopulations of tumor cells that play pivotal roles in reducing the effects of chemotherapy: "resistant" and "tolerant" populations. Furthermore, this review also highlights the impact of the quiescent phase of the cell cycle as a survival mechanism for cancer cells. Beyond understanding the mechanisms underlying the quiescence, it provides an insightful perspective on cancer stem cells (CSCs) and their dual and intertwined functions based on their cell cycle state in response to treatment. Moreover, CSCs, epithelial-mesenchymal transformed cells, circulating tumor cells (CTCs), and disseminated tumor cells (DTCs), which are mostly in a quiescent state of the cell cycle are proved to have multiple biological links and can be implicated in our viewpoint of cell cycle heterogeneity in tumors. Overall, increasing our knowledge of cell cycle heterogeneity is a key to identifying new therapeutic solutions, and this emerging concept may provide us with new opportunities to prevent the dreadful cancer recurrence.
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Affiliation(s)
- Ebrahim H. Maleki
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Jagiellonian Centre for Experimental Therapeutics (JCET), Jagiellonian University, 31-007 Krakow, Poland
- Doctoral School of Exact and Natural Sciences, Jagiellonian University, 30-348 Krakow, Poland
| | - Ahmad Reza Bahrami
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Industrial Biotechnology Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
| | - Maryam M. Matin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, 9177948974 Mashhad, Iran
- Stem Cell and Regenerative Medicine Research Group, Iranian Academic Center for Education, Culture and Research (ACECR), Khorasan Razavi Branch, 917751376 Mashhad, Iran
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Lee YS, Kim HS, Kim HJ, Kang HW, Lee DE, Kim MJ, Hong WC, Kim JH, Kim M, Cheong JH, Park JS. The role of LOXL2 induced by glucose metabolism-activated NF-κB in maintaining drug resistance through EMT and cancer stemness in gemcitabine-resistant PDAC. J Mol Med (Berl) 2023; 101:1449-1464. [PMID: 37737908 PMCID: PMC10663195 DOI: 10.1007/s00109-023-02369-6] [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: 03/16/2023] [Revised: 08/23/2023] [Accepted: 08/31/2023] [Indexed: 09/23/2023]
Abstract
Gemcitabine is considered a standard treatment for pancreatic cancer, but developing drug resistance greatly limits the effectiveness of chemotherapy and increases the rate of recurrence. Lysyl oxide-like 2 (LOXL2) is highly expressed in pancreatic cancer and is involved in carcinogenesis and EMT regulation. However, studies on the role of LOXL2 in drug resistance are limited. Here, we investigated the mechanism of LOXL2 induction and the effect of LOXL2 on EMT and CSC in gemcitabine-resistant pancreatic cancer. Glucose metabolism was activated in gemcitabine-resistant pancreatic cancer cells, and NF-κB signaling was regulated accordingly. Activated NF-κB directly induces transcription by binding to the promoters of LOXL2 and ZEB1. The EMT process was significantly inhibited by the coregulation of ZEB1 and LOXL2. In addition, LOXL2 inhibition reduced the expression of cancer stemness markers and stemness by regulating MAPK signaling activity. LOXL2 inhibits tumor growth of gemcitabine-resistant pancreatic cancer cells and increases the sensitivity to gemcitabine in mouse models. KEY MESSAGES: We identified a specific mechanism for inducing LOXL2 overexpression in gemcitabine-resistant pancreatic cancer. Taken together, our results suggest LOXL2 has an important regulatory role in maintaining gemcitabine resistance and may be an effective therapeutic target to treat pancreatic cancer.
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Affiliation(s)
- Yun Sun Lee
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Hyung Sun Kim
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Hyo Jung Kim
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Hyeon Woong Kang
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
- Department of Medical Science, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea
| | - Da Eun Lee
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Myeong Jin Kim
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
- Department of Medical Science, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea
| | - Woosol Chris Hong
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Ju Hyun Kim
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
| | - Minsoo Kim
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea
- Department of Medical Science, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea
| | - Jae-Ho Cheong
- Department of Surgery, Yonsei University College of Medicine, Seoul, South Korea
- Department of Medical Science, Graduate School of Medical Science, Brain Korea 21 Project, Yonsei University College of Medicine, Seoul, South Korea
| | - Joon Seong Park
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, South Korea.
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6
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Nayak A, Warrier NM, Kumar P. Cancer Stem Cells and the Tumor Microenvironment: Targeting the Critical Crosstalk through Nanocarrier Systems. Stem Cell Rev Rep 2022; 18:2209-2233. [PMID: 35876959 PMCID: PMC9489588 DOI: 10.1007/s12015-022-10426-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/10/2022] [Indexed: 11/25/2022]
Abstract
The physiological state of the tumor microenvironment (TME) plays a central role in cancer development due to multiple universal features that transcend heterogeneity and niche specifications, like promoting cancer progression and metastasis. As a result of their preponderant involvement in tumor growth and maintenance through several microsystemic alterations, including hypoxia, oxidative stress, and acidosis, TMEs make for ideal targets in both diagnostic and therapeutic ventures. Correspondingly, methodologies to target TMEs have been investigated this past decade as stratagems of significant potential in the genre of focused cancer treatment. Within targeted oncotherapy, nanomedical derivates-nanocarriers (NCs) especially-have emerged to present notable prospects in enhancing targeting specificity. Yet, one major issue in the application of NCs in microenvironmental directed therapy is that TMEs are too broad a spectrum of targeting possibilities for these carriers to be effectively employed. However, cancer stem cells (CSCs) might portend a solution to the above conundrum: aside from being quite heavily invested in tumorigenesis and therapeutic resistance, CSCs also show self-renewal and fluid clonogenic properties that often define specific TME niches. Further scrutiny of the relationship between CSCs and TMEs also points towards mechanisms that underly tumoral characteristics of metastasis, malignancy, and even resistance. This review summarizes recent advances in NC-enabled targeting of CSCs for more holistic strikes against TMEs and discusses both the current challenges that hinder the clinical application of these strategies as well as the avenues that can further CSC-targeting initiatives. Central role of CSCs in regulation of cellular components within the TME.
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Affiliation(s)
- Aadya Nayak
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Neerada Meenakshi Warrier
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Praveen Kumar
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India.
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7
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Reimche I, Yu H, Ariantari NP, Liu Z, Merkens K, Rotfuß S, Peter K, Jungwirth U, Bauer N, Kiefer F, Neudörfl JM, Schmalz HG, Proksch P, Teusch N. Phenanthroindolizidine Alkaloids Isolated from Tylophora ovata as Potent Inhibitors of Inflammation, Spheroid Growth, and Invasion of Triple-Negative Breast Cancer. Int J Mol Sci 2022; 23:ijms231810319. [PMID: 36142230 PMCID: PMC9499467 DOI: 10.3390/ijms231810319] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
Triple-negative breast cancer (TNBC), representing the most aggressive form of breast cancer with currently no targeted therapy available, is characterized by an inflammatory and hypoxic tumor microenvironment. To date, a broad spectrum of anti-tumor activities has been reported for phenanthroindolizidine alkaloids (PAs), however, their mode of action in TNBC remains elusive. Thus, we investigated six naturally occurring PAs extracted from the plant Tylophora ovata: O-methyltylophorinidine (1) and its five derivatives tylophorinidine (2), tylophoridicine E (3), 2-demethoxytylophorine (4), tylophoridicine D (5), and anhydrodehydrotylophorinidine (6). In comparison to natural (1) and for more-in depth studies, we also utilized a sample of synthetic O-methyltylophorinidine (1s). Our results indicate a remarkably effective blockade of nuclear factor kappa B (NFκB) within 2 h for compounds (1) and (1s) (IC50 = 17.1 ± 2.0 nM and 3.3 ± 0.2 nM) that is different from its effect on cell viability within 24 h (IC50 = 13.6 ± 0.4 nM and 4.2 ± 1 nM). Furthermore, NFκB inhibition data for the additional five analogues indicate a structure–activity relationship (SAR). Mechanistically, NFκB is significantly blocked through the stabilization of its inhibitor protein kappa B alpha (IκBα) under normoxic as well as hypoxic conditions. To better mimic the TNBC microenvironment in vitro, we established a 3D co-culture by combining the human TNBC cell line MDA-MB-231 with primary murine cancer-associated fibroblasts (CAF) and type I collagen. Compound (1) demonstrates superiority against the therapeutic gold standard paclitaxel by diminishing spheroid growth by 40% at 100 nM. The anti-proliferative effect of (1s) is distinct from paclitaxel in that it arrests the cell cycle at the G0/G1 state, thereby mediating a time-dependent delay in cell cycle progression. Furthermore, (1s) inhibited invasion of TNBC monoculture spheroids into a matrigel®-based environment at 10 nM. In conclusion, PAs serve as promising agents with presumably multiple target sites to combat inflammatory and hypoxia-driven cancer, such as TNBC, with a different mode of action than the currently applied chemotherapeutic drugs.
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Affiliation(s)
- Irene Reimche
- Department of Biomedical Sciences, Institute of Health Research and Education, University of Osnabrück, 49090 Osnabrück, Germany
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Haiqian Yu
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Ni Putu Ariantari
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
- Department of Pharmacy, Faculty of Mathematics and Natural Sciences, Udayana University, Bali 80361, Indonesia
| | - Zhen Liu
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Kay Merkens
- Department of Chemistry, University of Cologne, 50923 Cologne, Germany
| | - Stella Rotfuß
- Department of Biomedical Sciences, Institute of Health Research and Education, University of Osnabrück, 49090 Osnabrück, Germany
| | - Karin Peter
- Department of Biomedical Sciences, Institute of Health Research and Education, University of Osnabrück, 49090 Osnabrück, Germany
| | - Ute Jungwirth
- Department of Life Sciences, Centre for Therapeutic Innovation, University of Bath, Bath BA2 7AY, UK
| | - Nadine Bauer
- European Institute of Molecular Imaging, University of Münster, 48149 Münster, Germany
| | - Friedemann Kiefer
- European Institute of Molecular Imaging, University of Münster, 48149 Münster, Germany
- Max Planck Institute for Molecular Biomedicine, 48149 Münster, Germany
| | | | | | - Peter Proksch
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Nicole Teusch
- Department of Biomedical Sciences, Institute of Health Research and Education, University of Osnabrück, 49090 Osnabrück, Germany
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University, 40225 Düsseldorf, Germany
- Correspondence: ; Tel.: +49-211-81-14163
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Impact of Non-Coding RNAs on Chemotherapeutic Resistance in Oral Cancer. Biomolecules 2022; 12:biom12020284. [PMID: 35204785 PMCID: PMC8961659 DOI: 10.3390/biom12020284] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/07/2022] [Accepted: 02/08/2022] [Indexed: 02/04/2023] Open
Abstract
Drug resistance in oral cancer is one of the major problems in oral cancer therapy because therapeutic failure directly results in tumor recurrence and eventually in metastasis. Accumulating evidence has demonstrated the involvement of non-coding RNAs (ncRNAs), such as microRNAs (miRNAs) and long non-coding RNAs (lncRNAs), in processes related to the development of drug resistance. A number of studies have shown that ncRNAs modulate gene expression at the transcriptional or translational level and regulate biological processes, such as epithelial-to-mesenchymal transition, apoptosis, DNA repair and drug efflux, which are tightly associated with drug resistance acquisition in many types of cancer. Interestingly, these ncRNAs are commonly detected in extracellular vesicles (EVs) and are known to be delivered into surrounding cells. This intercellular communication via EVs is currently considered to be important for acquired drug resistance. Here, we review the recent advances in the study of drug resistance in oral cancer by mainly focusing on the function of ncRNAs, since an increasing number of studies have suggested that ncRNAs could be therapeutic targets as well as biomarkers for cancer diagnosis.
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9
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Role of miRNA-145, 148, and 185 and Stem Cells in Prostate Cancer. Int J Mol Sci 2022; 23:ijms23031626. [PMID: 35163550 PMCID: PMC8835890 DOI: 10.3390/ijms23031626] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/11/2022] [Accepted: 01/29/2022] [Indexed: 01/27/2023] Open
Abstract
MicroRNAs (miRNAs) are small non-coding RNA molecules that play a role in cancer linked to the regulation of important cellular processes and pathways involving tumorigenesis, cell proliferation, differentiation, and apoptosis. A lot of human miRNA sequences have been identified which are linked to cancer pathogenesis. MicroRNAs, in prostate cancer (PC), play a relevant role as biomarkers, show a specific profile, and have been used as therapeutic targets. Prostate cancer (PC) is the most frequently diagnosed cancer in men. Clinical diagnoses among the gold standards for PC diagnosis and monitoring are prostate-specific antigen (PSA) testing, digital rectal examination, and prostate needle biopsies. PSA screening still has a large grey area of patients, which leads to overdiagnosis. Therefore, new biomarkers are needed to improve existing diagnostic tools. The miRNA expression profiles from tumour versus normal tissues are helpful and exhibit significant differences not only between cancerous and non-cancerous tissues, but also between different cancer types and subtypes. In this review, we focus on the role of miRNAs-145, 148, and 185 and their correlation with stem cells in prostate cancer pathogenesis. MiR-145, by modulating multiple oncogenes, regulates different cellular processes in PC, which are involved in the transition from localised to metastatic disease. MiR-148 is downregulated in high-grade tumours, suggesting that the miR-148-3 family might act as tumour suppressors in PC as a potential biomarker for detecting this disease. MiR-185 regulation is still unclear in being able to regulate tumour processes in PC. Nevertheless, other authors confirm the role of this miRNA as a tumour suppressor, suggesting its potential use as a suitable biomarker in disease prognosis. These three miRNAs are all involved in the regulation of prostate cancer stem cell behaviour (PCSCs). Within this contest, PCSCs are often involved in the onset of chemo-resistance in PC, therefore strategies for targeting this subset of cells are strongly required to control the disease. Hence, the relationship between these two players is interesting and important in prostate cancer pathogenesis and in PCSC stemness regulation, in the attempt to pave the way for novel therapeutic targets in prostate cancer.
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