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Nenu I, Baldea I, Coadă CA, Crăciun RC, Moldovan R, Tudor D, Petrushev B, Toma VA, Ştefanescu H, Procopeţ B, Spârchez Z, Vodnar D, Lenghel M, Clichici S, Filip GA. Lactobacillus rhamnosus probiotic treatment modulates gut and liver inflammatory pathways in a hepatocellular carcinoma murine model. A preliminary study. Food Chem Toxicol 2024; 183:114314. [PMID: 38052407 DOI: 10.1016/j.fct.2023.114314] [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: 07/23/2023] [Revised: 09/18/2023] [Accepted: 11/28/2023] [Indexed: 12/07/2023]
Abstract
BACKGROUND AND AIMS Hepatocellular carcinoma (HCC) is a growing global concern with an increasing incidence rate. The intestinal microbiota has been identified as a potential culprit in modulating the effects of antitumoral drugs. We aimed to assess the impact of adding Lactobacillus rhamnosus probiotic to regorafenib in mice with HCC. METHODS Cirrhosis and HCCs were induced in 56 male Swiss mice via diethylnitrosamine injection and carbon tetrachloride administration. Mice were divided into four groups: treated with vehicle (VC), regorafenib (Rego), L. rhamnosus probiotic, and a combination of regorafenib and probiotic (Rego-Pro). After 3 weeks of treatment, liver and intestinal fragments were collected for analysis. RESULTS Regorafenib elevated gut permeability, an effect mitigated by probiotic intervention, which exhibited a notable correlation with reduced inflammation (p < 0.01). iNOS levels were also reduced by adding the probiotic with respect to the mice treated with regorafenib only (p < 0.001). Notably, regorafenib substantially increased IL-6, TNF-a and TLR4 in intestinal fragments (p < 0.01). The administration of the probiotic effectively restored IL-6 to its initial levels (p < 0.001). CONCLUSION Reducing systemic and intestinal inflammation by administering L. rhamnosus probiotic may alleviate tumoral resistance and systemic adverse effects.
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Affiliation(s)
- Iuliana Nenu
- Department of Functional Sciences, Physiology Discipline, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania; Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania.
| | - Ioana Baldea
- Department of Functional Sciences, Physiology Discipline, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
| | | | - Rareş Călin Crăciun
- Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania.
| | - Remus Moldovan
- Department of Functional Sciences, Physiology Discipline, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
| | - Diana Tudor
- Department of Functional Sciences, Physiology Discipline, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
| | - Bobe Petrushev
- Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania.
| | - Vlad Alexandru Toma
- Department of Molecular Biology and Biotechnologies, Faculty of Biology and Geology, Babeș-Bolyai University, Cluj-Napoca, Romania; Department of Experimental Biology and Biochemistry, Institute of Biological Research, Branch of NIRDBS, Cluj-Napoca, Romania; Department of Molecular and Biomolecular Physics, NIRD for Isotopic and Molecular Technologies, Cluj-Napoca, Romania.
| | - Horia Ştefanescu
- Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania.
| | - Bogdan Procopeţ
- Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania.
| | - Zeno Spârchez
- Regional Institute of Gastroenterology and Hepatology, Cluj-Napoca, Romania.
| | - Dan Vodnar
- Department of Food Science University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania.
| | - Manuela Lenghel
- Radiology Department, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
| | - Simona Clichici
- Department of Functional Sciences, Physiology Discipline, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
| | - Gabriela Adriana Filip
- Department of Functional Sciences, Physiology Discipline, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
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2
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Hiraishi K, Zhao F, Kurahara LH, Li X, Yamashita T, Hashimoto T, Matsuda Y, Sun Z, Zhang H, Hirano K. Lactulose Modulates the Structure of Gut Microbiota and Alleviates Colitis-Associated Tumorigenesis. Nutrients 2022; 14:nu14030649. [PMID: 35277009 PMCID: PMC8840163 DOI: 10.3390/nu14030649] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 01/27/2022] [Accepted: 01/29/2022] [Indexed: 02/04/2023] Open
Abstract
Lactulose, a galactose-fructose disaccharide, is made from the milk sugar lactose by heating or isomerization processes. Lactulose is proposed to modulate gut microbiota and thus expected to be beneficial in treating inflammatory bowel disease. In the present study, we investigated the therapeutic effect of lactulose on gastrointestinal inflammation and inflammation-related tumorigenesis in a mouse model of colorectal cancer as well as its effect on gut microbiota composition. Azoxymethane (AOM)/dextran sulfate sodium (DSS) model was used in this study. Lactulose treatment was performed by feeding 2% lactulose for 14 weeks. Stool samples collected at 4 time points were used for metagenomic analysis of the microbiota. Pathological analysis was performed 21 weeks after AOM injection. AOM/DSS increased the macrophage counts, inflammatory cytokine expression, colorectal tumorigenesis, and imbalance in gut microbiota composition, as evidenced by increased pathogen abundance (e.g., Escherichia and Clostridium). Lactulose significantly inhibited the inflammatory events, and ameliorated inflammation and tumorigenesis. The composition of the intestinal microbiota was also restored upon lactulose treatment, and lactulose reduced pathogen abundance and increased the abundance of Muribaculum and Lachnospiraceae. Meanwhile, the pathways related to Crohn’s disease were downregulated after lactulose treatment. Our findings suggest that lactulose restores the structure and composition of the intestinal microbiota, mitigates inflammation, and suppresses inflammatory tumorigenesis.
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Affiliation(s)
- Keizo Hiraishi
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan; (K.H.); (X.L.); (T.Y.); (T.H.); (K.H.)
| | - Feiyan Zhao
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010018, China; (F.Z.); (Z.S.); (H.Z.)
| | - Lin-Hai Kurahara
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan; (K.H.); (X.L.); (T.Y.); (T.H.); (K.H.)
- Correspondence: ; Tel.: +81-87-891-2100
| | - Xiaodong Li
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan; (K.H.); (X.L.); (T.Y.); (T.H.); (K.H.)
| | - Tetsuo Yamashita
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan; (K.H.); (X.L.); (T.Y.); (T.H.); (K.H.)
| | - Takeshi Hashimoto
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan; (K.H.); (X.L.); (T.Y.); (T.H.); (K.H.)
| | - Yoko Matsuda
- Oncology Pathology, Department of Pathology and Host-Defence, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan;
| | - Zhihong Sun
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010018, China; (F.Z.); (Z.S.); (H.Z.)
| | - Heping Zhang
- Key Laboratory of Dairy Biotechnology and Engineering, Ministry of Education, Inner Mongolia Agricultural University, Hohhot 010018, China; (F.Z.); (Z.S.); (H.Z.)
| | - Katsuya Hirano
- Department of Cardiovascular Physiology, Faculty of Medicine, Kagawa University, Kagawa 761-0793, Japan; (K.H.); (X.L.); (T.Y.); (T.H.); (K.H.)
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3
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de Jonge K, Tillé L, Lourenco J, Maby-El Hajjami H, Nassiri S, Racle J, Gfeller D, Delorenzi M, Verdeil G, Baumgaertner P, Speiser DE. Inflammatory B cells correlate with failure to checkpoint blockade in melanoma patients. Oncoimmunology 2021; 10:1873585. [PMID: 33643691 PMCID: PMC7872097 DOI: 10.1080/2162402x.2021.1873585] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The understanding of the role of B cells in patients with solid tumors remains insufficient. We found that circulating B cells produced TNFα and/or IL-6, associated with unresponsiveness and poor overall survival of melanoma patients treated with anti-CTLA4 antibody. Transcriptome analysis of B cells from melanoma metastases showed enriched expression of inflammatory response genes. Publicly available single B cell data from the tumor microenvironment revealed a negative correlation between TNFα expression and response to immune checkpoint blockade. These findings suggest that B cells contribute to tumor growth via the production of inflammatory cytokines. Possibly, these B cells are different from tertiary lymphoid structure-associated B cells, which have been described to correlate with favorable clinical outcome of cancer patients. Further studies are required to identify and characterize B cell subsets and their functions promoting or counteracting tumor growth, with the aim to identify biomarkers and novel treatment targets.
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Affiliation(s)
- Kaat de Jonge
- Department of Fundamental Oncology, University of Lausanne, Epalinges, Switzerland
| | - Laure Tillé
- Department of Fundamental Oncology, University of Lausanne, Epalinges, Switzerland
| | - Joao Lourenco
- Bioinformatics Core Facility, SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | | | - Sina Nassiri
- Department of Fundamental Oncology, University of Lausanne, Epalinges, Switzerland.,Bioinformatics Core Facility, SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Julien Racle
- Department of Oncology, Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland.,SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - David Gfeller
- Department of Oncology, Ludwig Institute for Cancer Research, University of Lausanne, Lausanne, Switzerland.,SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Mauro Delorenzi
- Bioinformatics Core Facility, SIB Swiss Institute of Bioinformatics, Lausanne, Switzerland
| | - Grégory Verdeil
- Department of Fundamental Oncology, University of Lausanne, Epalinges, Switzerland
| | - Petra Baumgaertner
- Department of Fundamental Oncology, University of Lausanne, Epalinges, Switzerland
| | - Daniel E Speiser
- Department of Fundamental Oncology, University of Lausanne, Epalinges, Switzerland.,Department of Oncology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
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Hwangbo H, Choi EO, Kim MY, Kwon DH, Ji SY, Lee H, Hong SH, Kim GY, Hwang HJ, Hong SH, Choi YH. Suppression of tumor growth and metastasis by ethanol extract of Angelica dahurica Radix in murine melanoma B16F10 cells. Biosci Trends 2020; 14:23-34. [PMID: 32092745 DOI: 10.5582/bst.2019.01230] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The roots of Angelica dahurica have long been used as a traditional medicine in Korea to treat various diseases such as toothache and cold. In this study, we investigated the effect of ethanol extract from the roots of this plant on metastatic melanoma, a highly aggressive skin cancer, in B16F10 melanoma cells and B16F10 cell inoculated-C57BL/6 mice. Our results showed that the ethanol extracts of Angelicae dahuricae Radix (EEAD) suppressed cell growth and induced apoptotic cell death in B16F10 cells. EEAD also activated the mitochondria-mediated intrinsic apoptosis pathway, with decreased mitochondrial membrane potential, and increased production of intracellular reactive oxygen species and ration of Bax/Bcl-2 expression. Furthermore, EEAD reduced the migration, invasion, and colony formation of B16F10 cells through the reduced expression and activity of matrix metalloproteinase (MMP)-2 and -9. In addition, in vivo results demonstrated that oral administration of EEAD inhibited lactate dehydrogenase activity, hepatotoxicity, and nephrotoxicity without weight loss in B16F10 cell inoculated-mice. Importantly, EEAD was able to markedly suppress lung hypertrophy, the incidence of B16F10 cells lung metastasis, and the expression of tumor necrosis factor-alpha in lung tissue. Taken together, our findings suggest that EEAD may be useful for managing metastasis and growth of malignant cancers, including melanoma.
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Affiliation(s)
- Hyun Hwangbo
- Anti-Aging Research Center, Dong-eui University, Busan, Korea.,Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Korea
| | - Eun Ok Choi
- Anti-Aging Research Center, Dong-eui University, Busan, Korea.,Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Korea
| | - Min Yeong Kim
- Anti-Aging Research Center, Dong-eui University, Busan, Korea.,Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Korea
| | - Da Hye Kwon
- Anti-Aging Research Center, Dong-eui University, Busan, Korea.,Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Korea
| | - Seon Yeong Ji
- Anti-Aging Research Center, Dong-eui University, Busan, Korea.,Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Korea
| | - Hyesook Lee
- Anti-Aging Research Center, Dong-eui University, Busan, Korea.,Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Korea
| | - Sang Hoon Hong
- Department of Internal Medicine, Dong-eui University College of Korean Medicine, Busan, Korea
| | - Gi-Young Kim
- Department of Marine Life Sciences, Jeju National University, Jeju, Korea
| | - Hye Jin Hwang
- Department of Food and Nutrition, Dong-eui University, Busan, Korea
| | - Su Hyun Hong
- Anti-Aging Research Center, Dong-eui University, Busan, Korea.,Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Korea
| | - Yung Hyun Choi
- Anti-Aging Research Center, Dong-eui University, Busan, Korea.,Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, Korea
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Zhang Y, Zhao Y, Wu Y, Qi J, Li F, Kou J, Yu B. Ophiopogon Saponin C1 Inhibits Lung Tumors by Stabilizing Endothelium Permeability via Inhibition of PKCδ. Int J Biol Sci 2020; 16:396-407. [PMID: 32015677 PMCID: PMC6990896 DOI: 10.7150/ijbs.34978] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 11/12/2019] [Indexed: 11/13/2022] Open
Abstract
As the most frequent cause of cancer-related death worldwide, lung cancer is closely related to inflammation. The interaction between tumor cells and inflammatory cells promotes tumor development and metastasis. During tumor development, vascular endothelial cells form the most important barrier to prevent tumor cell migration to the blood and tissue. Increased vascular permeability provides favorable conditions for the migration of tumor cells, and endothelial tight junctions are an important component of the vascular barrier. Protein kinase C δ is involved in the occurrence of non-small cell lung cancer and regulates vascular permeability and tight junction protein expression. Src kinase was reported to play an important role in TNF-α-induced endothelial inflammation. Ophiopogon Saponin C1 is a new chemical compound isolated from Liriope muscari, but its pharmacological activities have not been fully elucidated. Therefore, we tested the protective effects of C1 on endothelial permeability in a model of TNF-α-induced endothelial inflammation by transendothelial electrical resistance and sodium fluorescein assays and verified these results in a nude mouse model of experimental pulmonary adenocarcinoma metastasis. We further elucidated the mechanism of C1, which was based on the PKCδ and Src proteins, by Western blotting. C1 can inhibit lung cancer in vivo, regulate the level of plasma inflammation in tumor-bearing mice, and protect the pulmonary vascular barrier against injury induced by cancer. It was investigated the expression and distribution of the TJ index protein ZO-1 in mouse vascular endothelium and HUVECs and found that C1 could inhibit the degradation and breakage of the ZO-1 protein. Related signaling experiments confirmed that C1 can inhibit TNF-α and activation of PKCδ and Src kinase. This study laid the foundation for further analysis of new drugs with clear mechanisms and independent intellectual property rights of traditional Chinese medicines.
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Affiliation(s)
| | | | | | | | | | - Junping Kou
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Longmian Road, Nanjing 211198, China
| | - Boyang Yu
- Jiangsu Key Laboratory of TCM Evaluation and Translational Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 639 Longmian Road, Nanjing 211198, China
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6
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Patra MC, Shah M, Choi S. Toll-like receptor-induced cytokines as immunotherapeutic targets in cancers and autoimmune diseases. Semin Cancer Biol 2019; 64:61-82. [PMID: 31054927 DOI: 10.1016/j.semcancer.2019.05.002] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 04/27/2019] [Accepted: 05/01/2019] [Indexed: 12/14/2022]
Abstract
Immune cells of the myeloid and lymphoid lineages express Toll-like receptors (TLRs) to recognize pathogenic components or cellular debris and activate the immune system through the secretion of cytokines. Cytokines are signaling molecules that are structurally and functionally distinct from one another, although their secretion profiles and signaling cascades often overlap. This situation gives rise to pleiotropic cell-to-cell communication pathways essential for protection from infections as well as cancers. Nonetheless, deregulated signaling can have detrimental effects on the host, in the form of inflammatory or autoimmune diseases. Because cytokines are associated with numerous autoimmune and cancerous conditions, therapeutic strategies to modulate these molecules or their biological responses have been immensely beneficial over the years. There are still challenges in the regulation of cytokine function in patients, even in those who take approved biological therapeutics. In this review, our purpose is to discuss the differential expression patterns of TLR-regulated cytokines and their cell type specificity that is associated with cancers and immune-system-related diseases. In addition, we highlight key structural features and molecular recognition of cytokines by receptors; these data have facilitated the development and approval of several biologics for the treatment of autoimmune diseases and cancers.
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Affiliation(s)
- Mahesh Chandra Patra
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Republic of Korea
| | - Masaud Shah
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Republic of Korea
| | - Sangdun Choi
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Republic of Korea.
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7
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Zhang S, Yang X, Wang L, Zhang C. Interplay between inflammatory tumor microenvironment and cancer stem cells. Oncol Lett 2018; 16:679-686. [PMID: 29963133 DOI: 10.3892/ol.2018.8716] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 05/10/2018] [Indexed: 12/26/2022] Open
Abstract
Cancer stem cells (CSCs), which have a close connection with tumor microenvironment, play a pivotal role in tumorigenesis, tumor progression, and metastasis. The inflammatory microenvironment is an essential component of tumor microenvironment. In the recent years, many studies have demonstrated that the inflammatory microenvironment induces the initiation of tumors, and contributes to the process of the progression of tumors, as well as metastasis. In this review, we summarize the relationship between CSCs and inflammatory components, such as inflammatory cytokines (IFNs, TNF, IL-6, IL-17) and inflammatory cells (myeloid-derived suppressor cells, tumor-associated macrophages). To illuminate the key factors that exert important actions in the tumor process would be important to improve the clinical outcome of the treatment for different types of cancer.
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Affiliation(s)
- Shijian Zhang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai 200011, P.R. China
| | - Xi Yang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai 200011, P.R. China
| | - Lei Wang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai 200011, P.R. China
| | - Chenping Zhang
- Department of Oral and Maxillofacial-Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, National Clinical Research Center of Stomatology, Shanghai 200011, P.R. China
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8
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Brivio S, Cadamuro M, Strazzabosco M, Fabris L. Tumor reactive stroma in cholangiocarcinoma: The fuel behind cancer aggressiveness. World J Hepatol 2017; 9:455-468. [PMID: 28396716 PMCID: PMC5368623 DOI: 10.4254/wjh.v9.i9.455] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 01/26/2017] [Accepted: 02/20/2017] [Indexed: 02/06/2023] Open
Abstract
Cholangiocarcinoma (CCA) is a highly aggressive epithelial malignancy still carrying a dismal prognosis, owing to early lymph node metastatic dissemination and striking resistance to conventional chemotherapy. Although mechanisms underpinning CCA progression are still a conundrum, it is now increasingly recognized that the desmoplastic microenvironment developing in conjunction with biliary carcinogenesis, recently renamed tumor reactive stroma (TRS), behaves as a paramount tumor-promoting driver. Indeed, once being recruited, activated and dangerously co-opted by neoplastic cells, the cellular components of the TRS (myofibroblasts, macrophages, endothelial cells and mesenchymal stem cells) continuously rekindle malignancy by secreting a huge variety of soluble factors (cyto/chemokines, growth factors, morphogens and proteinases). Furthermore, these factors are long-term stored within an abnormally remodeled extracellular matrix (ECM), which in turn can deleteriously mold cancer cell behavior. In this review, we will highlight evidence for the active role played by reactive stromal cells (as well as by the TRS-associated ECM) in CCA progression, including an overview of the most relevant TRS-derived signals possibly fueling CCA cell aggressiveness. Hopefully, a deeper knowledge of the paracrine communications reciprocally exchanged between cancer and stromal cells will steer the development of innovative, combinatorial therapies, which can finally hinder the progression of CCA, as well as of other cancer types with abundant TRS, such as pancreatic and breast carcinomas.
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Tudor D, Nenu I, Filip GA, Olteanu D, Cenariu M, Tabaran F, Ion RM, Gligor L, Baldea I. Combined regimen of photodynamic therapy mediated by Gallium phthalocyanine chloride and Metformin enhances anti-melanoma efficacy. PLoS One 2017; 12:e0173241. [PMID: 28278159 PMCID: PMC5344368 DOI: 10.1371/journal.pone.0173241] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 02/18/2017] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Melanoma therapy is challenging, especially in advanced cases, due to multiple developed tumor defense mechanisms. Photodynamic therapy (PDT) might represent an adjuvant treatment, because of its bimodal action: tumor destruction and immune system awakening. In this study, a combination of PDT mediated by a metal substituted phthalocyanine-Gallium phthalocyanine chloride (GaPc) and Metformin was used against melanoma. The study aimed to: (1) find the anti-melanoma efficacy of GaPc-PDT, (2) assess possible beneficial effects of Metformin addition to PDT, (3) uncover some of the mechanisms underlining cell killing and anti-angiogenic effects. METHODS Two human lightly pigmented melanoma cell lines: WM35 and M1/15 subjected to previous Metformin exposure were treated by GaPc-PDT. Cell viability, death mechanism, cytoskeleton alterations, oxidative damage, were assessed by means of colorimetry, flowcytometry, confocal microscopy, spectrophotometry, ELISA, Western Blotting. RESULTS GaPc proved an efficient photosensitizer. Metformin addition enhanced cell killing by mechanisms dependent on the cell line, namely apoptosis in the metastatic M1/15 and necrosis in the radial growth phase, WM35. Cell death mechanism relied on the inhibition of nuclear transcription factor (NF)-κB activation and tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) sensitization, leading to TRAIL and TNF-α induced apoptosis. Metformin diminished the anti-angiogenic effect of PDT. CONCLUSIONS Metformin addition to GaPc-PDT increased tumor cell killing through enhanced oxidative damage and induction of proapoptotic mechanisms, but altered PDT anti-angiogenic effects. GENERAL SIGNIFICANCE Combination of Metformin and PDT might represent a solution to enhance the efficacy, leading to a potential adjuvant role of PDT in melanoma therapy.
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Affiliation(s)
- Diana Tudor
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Iuliana Nenu
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | | | - Diana Olteanu
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Mihai Cenariu
- Department of Biochemistry, University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
| | - Flaviu Tabaran
- Department of Pathology University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca, Romania
| | - Rodica Mariana Ion
- Nanomedicine Research Group, National Institute for Research & Development in Chemistry and Petrochemistry - ICECHIM, Bucharest, Romania
| | - Lucian Gligor
- OSRAM Opto Semiconductors, OSRAM Romania, Global City Business Park, Voluntari, Ilfov, Romania
| | - Ioana Baldea
- Department of Physiology, University of Medicine and Pharmacy, Cluj-Napoca, Romania
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Bukhari SIA, Vasudevan S. FXR1a-associated microRNP: A driver of specialized non-canonical translation in quiescent conditions. RNA Biol 2016; 14:137-145. [PMID: 27911187 DOI: 10.1080/15476286.2016.1265197] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Eukaryotic protein synthesis is a multifaceted process that requires coordination of a set of translation factors in a particular cellular state. During normal growth and proliferation, cells generally make their proteome via conventional translation that utilizes canonical translation factors. When faced with environmental stress such as growth factor deprivation, or in response to biological cues such as developmental signals, cells can reduce canonical translation. In this situation, cells adapt alternative modes of translation to make specific proteins necessary for required biological functions under these distinct conditions. To date, a number of alternative translation mechanisms have been reported, which include non-canonical, cap dependent translation and cap independent translation such as IRES mediated translation. Here, we discuss one of the alternative modes of translation mediated by a specialized microRNA complex, FXR1a-microRNP that promotes non-canonical, cap dependent translation in quiescent conditions, where canonical translation is reduced due to low mTOR activity.
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Affiliation(s)
- Syed I A Bukhari
- a Center for Cancer Research, Massachusetts General Hospital, Harvard Medical School , Boston , MA , USA
| | - Shobha Vasudevan
- a Center for Cancer Research, Massachusetts General Hospital, Harvard Medical School , Boston , MA , USA
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