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de Castilhos J, Tillmanns K, Blessing J, Laraño A, Borisov V, Stein-Thoeringer CK. Microbiome and pancreatic cancer: time to think about chemotherapy. Gut Microbes 2024; 16:2374596. [PMID: 39024520 PMCID: PMC11259062 DOI: 10.1080/19490976.2024.2374596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 06/26/2024] [Indexed: 07/20/2024] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive cancer characterized by late diagnosis, rapid progression, and a high mortality rate. Its complex biology, characterized by a dense, stromal tumor environment with an immunosuppressive milieu, contributes to resistance against standard treatments like chemotherapy and radiation. This comprehensive review explores the dynamic role of the microbiome in modulating chemotherapy efficacy and outcomes in PDAC. It delves into the microbiome's impact on drug metabolism and resistance, and the interaction between microbial elements, drugs, and human biology. We also highlight the significance of specific bacterial species and microbial enzymes in influencing drug action and the immune response in the tumor microenvironment. Cutting-edge methodologies, including artificial intelligence, low-biomass microbiome analysis and patient-derived organoid models, are discussed, offering insights into the nuanced interactions between microbes and cancer cells. The potential of microbiome-based interventions as adjuncts to conventional PDAC treatments are discussed, paving the way for personalized therapy approaches. This review synthesizes recent research to provide an in-depth understanding of how the microbiome affects chemotherapy efficacy. It focuses on elucidating key mechanisms and identifying existing knowledge gaps. Addressing these gaps is crucial for enhancing personalized medicine and refining cancer treatment strategies, ultimately improving patient outcomes.
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Affiliation(s)
- Juliana de Castilhos
- Translational Microbiome Research, Internal Medicine I and M3 Research Center, University Hospital Tuebingen, Tübingen, Germany
- Cluster of Excellence “Controlling Microbes to Fight Infections” (CMFI), University of Tuebingen, Tübingen, Germany
| | - Katharina Tillmanns
- Translational Microbiome Research, Internal Medicine I and M3 Research Center, University Hospital Tuebingen, Tübingen, Germany
- Cluster of Excellence “Controlling Microbes to Fight Infections” (CMFI), University of Tuebingen, Tübingen, Germany
| | - Jana Blessing
- Translational Microbiome Research, Internal Medicine I and M3 Research Center, University Hospital Tuebingen, Tübingen, Germany
- Cluster of Excellence “Controlling Microbes to Fight Infections” (CMFI), University of Tuebingen, Tübingen, Germany
| | - Arnelyn Laraño
- Translational Microbiome Research, Internal Medicine I and M3 Research Center, University Hospital Tuebingen, Tübingen, Germany
- Cluster of Excellence “Controlling Microbes to Fight Infections” (CMFI), University of Tuebingen, Tübingen, Germany
| | - Vadim Borisov
- Translational Microbiome Research, Internal Medicine I and M3 Research Center, University Hospital Tuebingen, Tübingen, Germany
- Cluster of Excellence “Controlling Microbes to Fight Infections” (CMFI), University of Tuebingen, Tübingen, Germany
| | - Christoph K. Stein-Thoeringer
- Translational Microbiome Research, Internal Medicine I and M3 Research Center, University Hospital Tuebingen, Tübingen, Germany
- Cluster of Excellence “Controlling Microbes to Fight Infections” (CMFI), University of Tuebingen, Tübingen, Germany
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Feitelson MA, Arzumanyan A, Medhat A, Spector I. Short-chain fatty acids in cancer pathogenesis. Cancer Metastasis Rev 2023; 42:677-698. [PMID: 37432606 PMCID: PMC10584782 DOI: 10.1007/s10555-023-10117-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 06/05/2023] [Indexed: 07/12/2023]
Abstract
Cancer is a multi-step process that can be viewed as a cellular and immunological shift away from homeostasis in response to selected infectious agents, mutations, diet, and environmental carcinogens. Homeostasis, which contributes importantly to the definition of "health," is maintained, in part by the production of short-chain fatty acids (SCFAs), which are metabolites of specific gut bacteria. Alteration in the composition of gut bacteria, or dysbiosis, is often a major risk factor for some two dozen tumor types. Dysbiosis is often characterized by diminished levels of SCFAs in the stool, and the presence of a "leaky gut," permitting the penetration of microbes and microbial derived molecules (e.g., lipopolysaccharides) through the gut wall, thereby triggering chronic inflammation. SCFAs attenuate inflammation by inhibiting the activation of nuclear factor kappa B, by decreasing the expression of pro-inflammatory cytokines such as tumor necrosis factor alpha, by stimulating the expression of anti-inflammatory cytokines such as interleukin-10 and transforming growth factor beta, and by promoting the differentiation of naïve T cells into T regulatory cells, which down-regulate immune responses by immunomodulation. SCFA function epigenetically by inhibiting selected histone acetyltransferases that alter the expression of multiple genes and the activity of many signaling pathways (e.g., Wnt, Hedgehog, Hippo, and Notch) that contribute to the pathogenesis of cancer. SCFAs block cancer stem cell proliferation, thereby potentially delaying or inhibiting cancer development or relapse by targeting genes and pathways that are mutated in tumors (e.g., epidermal growth factor receptor, hepatocyte growth factor, and MET) and by promoting the expression of tumor suppressors (e.g., by up-regulating PTEN and p53). When administered properly, SCFAs have many advantages compared to probiotic bacteria and fecal transplants. In carcinogenesis, SCFAs are toxic against tumor cells but not to surrounding tissue due to differences in their metabolic fate. Multiple hallmarks of cancer are also targets of SCFAs. These data suggest that SCFAs may re-establish homeostasis without overt toxicity and either delay or prevent the development of various tumor types.
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Affiliation(s)
- Mark A Feitelson
- Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA, 19122, USA.
| | - Alla Arzumanyan
- Department of Biology, College of Science and Technology, Temple University, Philadelphia, PA, 19122, USA
| | - Arvin Medhat
- Department of Molecular Cell Biology, Islamic Azad University Tehran North Branch, Tehran, 1975933411, Iran
| | - Ira Spector
- SFA Therapeutics, Jenkintown, PA, 19046, USA
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Psilopatis I, Pergaris A, Giaginis C, Theocharis S. Histone Deacetylase Inhibitors: A Promising Therapeutic Alternative for Endometrial Carcinoma. DISEASE MARKERS 2021; 2021:7850688. [PMID: 34804263 PMCID: PMC8604582 DOI: 10.1155/2021/7850688] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/19/2021] [Accepted: 10/30/2021] [Indexed: 01/16/2023]
Abstract
Endometrial carcinoma is the most common malignant tumor of the female genital tract in the United States. Epigenetic alterations are implicated in endometrial cancer development and progression. Histone deacetylase inhibitors are a novel class of anticancer drugs that increase the level of histone acetylation in many cell types, thereby inducing cell cycle arrest, differentiation, and apoptotic cell death. This review is aimed at determining the role of histone acetylation and examining the therapeutic potential of histone deacetylase inhibitors in endometrial cancer. In order to identify relevant studies, a literature review was conducted using the MEDLINE and LIVIVO databases. The search terms histone deacetylase, histone deacetylase inhibitor, and endometrial cancer were employed, and we were able to identify fifty-two studies focused on endometrial carcinoma and published between 2001 and 2021. Deregulation of histone acetylation is involved in the tumorigenesis of both endometrial carcinoma histological types and accounts for high-grade, aggressive carcinomas with worse prognosis and decreased overall survival. Histone deacetylase inhibitors inhibit tumor growth, enhance the transcription of silenced physiologic genes, and induce cell cycle arrest and apoptosis in endometrial carcinoma cells both in vitro and in vivo. The combination of histone deacetylase inhibitors with traditional chemotherapeutic agents shows synergistic cytotoxic effects in endometrial carcinoma cells. Histone acetylation plays an important role in endometrial carcinoma development and progression. Histone deacetylase inhibitors show potent antitumor effects in various endometrial cancer cell lines as well as tumor xenograft models. Additional clinical trials are however needed to verify the clinical utility and safety of these promising therapeutic agents in the treatment of patients with endometrial cancer.
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Affiliation(s)
- Iason Psilopatis
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, Bld 10, Goudi, 11527 Athens, Greece
- Charité-University School of Medicine, Augustenburger Pl. 1, 13353 Berlin, Germany
| | - Alexandros Pergaris
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, Bld 10, Goudi, 11527 Athens, Greece
| | | | - Stamatios Theocharis
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, 75 Mikras Asias Street, Bld 10, Goudi, 11527 Athens, Greece
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Soopramanien M, Khan NA, Siddiqui R. Gut microbiota of animals living in polluted environments are a potential resource of anticancer molecules. J Appl Microbiol 2021; 131:1039-1055. [PMID: 33368930 DOI: 10.1111/jam.14981] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 12/09/2020] [Accepted: 12/21/2020] [Indexed: 12/17/2022]
Abstract
Cancer is a prominent cause of morbidity and mortality worldwide, in spite of advances in therapeutic interventions and supportive care. In 2018 alone, there were 18·1 million new cancer cases and 9·6 million deaths indicating the need for novel anticancer agents. Plant-based products have often been linked with protective effects against communicable and non-communicable diseases. Recently, we have shown that animals such as crocodiles thrive in polluted environments and are often exposed to carcinogenic agents, but still benefit from prolonged lifespan. The protective mechanisms shielding them from cancer could be attributed to the immune system, and/or it is possible that their gut microbiota produce anticancer molecules. In support, several lines of evidence suggest that gut microbiota plays a critical role in the physiology of its host. Here, we reviewed the available literature to assess whether the gut microbiota of animals thriving in polluted environment possess anticancer molecules.
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Affiliation(s)
- M Soopramanien
- Department of Biological Sciences, Sunway University, Bandar Sunway, Malaysia
| | - N A Khan
- Department of Basic Medical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - R Siddiqui
- College of Arts and Sciences, American University of Sharjah, University City, Sharjah, United Arab Emirates
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Effects of Intestinal Microbial⁻Elaborated Butyrate on Oncogenic Signaling Pathways. Nutrients 2019; 11:nu11051026. [PMID: 31067776 PMCID: PMC6566851 DOI: 10.3390/nu11051026] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 04/29/2019] [Accepted: 05/05/2019] [Indexed: 12/12/2022] Open
Abstract
The intestinal microbiota is well known to have multiple benefits on human health, including cancer prevention and treatment. The effects are partially mediated by microbiota-produced short chain fatty acids (SCFAs) such as butyrate, propionate and acetate. The anti-cancer effect of butyrate has been demonstrated in cancer cell cultures and animal models of cancer. Butyrate, as a signaling molecule, has effects on multiple signaling pathways. The most studied effect is its inhibition on histone deacetylase (HDAC), which leads to alterations of several important oncogenic signaling pathways such as JAK2/STAT3, VEGF. Butyrate can interfere with both mitochondrial apoptotic and extrinsic apoptotic pathways. In addition, butyrate also reduces gut inflammation by promoting T-regulatory cell differentiation with decreased activities of the NF-κB and STAT3 pathways. Through PKC and Wnt pathways, butyrate increases cancer cell differentiation. Furthermore, butyrate regulates oncogenic signaling molecules through microRNAs and methylation. Therefore, butyrate has the potential to be incorporated into cancer prevention and treatment regimens. In this review we summarize recent progress in butyrate research and discuss the future development of butyrate as an anti-cancer agent with emphasis on its effects on oncogenic signaling pathways. The low bioavailability of butyrate is a problem, which precludes clinical application. The disadvantage of butyrate for medicinal applications may be overcome by several approaches including nano-delivery, analogue development and combination use with other anti-cancer agents or phytochemicals.
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Leveraging Epigenetics to Enhance the Cellular Response to Chemotherapies and Improve Tumor Immunogenicity. Adv Cancer Res 2018; 138:1-39. [PMID: 29551125 DOI: 10.1016/bs.acr.2018.02.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Cancer chemotherapeutic drugs have greatly advanced our ability to successfully treat a variety of human malignancies. The different forms of stress produced by these agents in cancer cells result in both cell autonomous and cell nonautonomous effects. Desirable cell autonomous effects include reduced proliferative potential, cellular senescence, and cell death. More recently recognized cell nonautonomous effects, usually in the form of stimulating an antitumor immune response, have significant roles in therapeutic efficiency for a select number of chemotherapies. Unfortunately, the success of these therapeutics is not universal as not all tumors respond to treatment, and those that do respond will frequently relapse into therapy-resistant disease. Numerous strategies have been developed to sensitize tumors toward chemotherapies as a means to either improve initial responses, or serve as a secondary treatment strategy for therapy-resistant disease. Recently, targeting epigenetic regulators has emerged as a viable method of sensitizing tumors to the effects of chemotherapies, many of which are cytotoxic. In this review, we summarize these strategies and propose a path for future progress.
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Chen Y, Zhang Y. Functional and mechanistic analysis of telomerase: An antitumor drug target. Pharmacol Ther 2016; 163:24-47. [DOI: 10.1016/j.pharmthera.2016.03.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 03/29/2016] [Indexed: 01/26/2023]
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Kong W, Lv N, Wysham WZ, Roque DR, Zhang T, Jiao S, Song D, Chen J, Bae-Jump VL, Zhou C. Knockdown of hTERT and Treatment with BIBR1532 Inhibit Cell Proliferation and Invasion in Endometrial Cancer Cells. J Cancer 2015; 6:1337-45. [PMID: 26640594 PMCID: PMC4643090 DOI: 10.7150/jca.13054] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 08/28/2015] [Indexed: 12/25/2022] Open
Abstract
Telomerase activity and expression of the catalytic protein hTERT are associated with cell proliferation and advanced stage in endometrial cancer. Our objective was to evaluate the effect of inhibition of hTERT by siRNA and BIBR1532 on cell growth, apoptosis and invasion in endometrial cancer cells. Knockdown of hTERT or treatment of the cells with BIBR1532 decreased telomerase activity, inhibited cell proliferation, induced apoptosis, and reduced cell invasion in Ishikawa and ECC-1 cells. Either hTERT siRNA or BIBR1532 in combination with paclitaxel promoted a synergistic inhibitory effect on cell growth through induction of Annexin V expression and a remarkable reduction in cell invasion through reduction of protein expression of MMP9, MMP2, and MMP3. Increased telomerase activity and hTERT protein expression by transfections enhanced the protein expression of MMPs and increased the cell invasion ability. BIBR1532 significantly antagonized cell invasion induced by increased hTERT expression. These findings suggest that telomerase and hTERT facilitate cell invasion via MMP family in human endometrial cancer cells.
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Affiliation(s)
- Weimin Kong
- 1. Department of Gynecological Oncology, Beijing Obstetrics and Gynecology Hospital affiliated to Capital Medical University. Beijing, P. R. China
| | - Nenan Lv
- 1. Department of Gynecological Oncology, Beijing Obstetrics and Gynecology Hospital affiliated to Capital Medical University. Beijing, P. R. China
| | - Weiya Z Wysham
- 2. Division of Gynecological Oncology, Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America
| | - Dario R Roque
- 2. Division of Gynecological Oncology, Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America
| | - Tongqing Zhang
- 1. Department of Gynecological Oncology, Beijing Obstetrics and Gynecology Hospital affiliated to Capital Medical University. Beijing, P. R. China
| | - Simeng Jiao
- 1. Department of Gynecological Oncology, Beijing Obstetrics and Gynecology Hospital affiliated to Capital Medical University. Beijing, P. R. China
| | - Dan Song
- 1. Department of Gynecological Oncology, Beijing Obstetrics and Gynecology Hospital affiliated to Capital Medical University. Beijing, P. R. China
| | - Jiao Chen
- 1. Department of Gynecological Oncology, Beijing Obstetrics and Gynecology Hospital affiliated to Capital Medical University. Beijing, P. R. China
| | - Victoria L Bae-Jump
- 2. Division of Gynecological Oncology, Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America. ; 3. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America
| | - Chunxiao Zhou
- 2. Division of Gynecological Oncology, Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America. ; 3. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America
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