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Li Q, Liu D, Liang M, Zhu Y, Yousaf M, Wu Y. Mechanism of probiotics in the intervention of colorectal cancer: a review. World J Microbiol Biotechnol 2024; 40:306. [PMID: 39160377 DOI: 10.1007/s11274-024-04112-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Accepted: 08/13/2024] [Indexed: 08/21/2024]
Abstract
The human microbiome interacts with the host mainly in the intestinal lumen, where putrefactive bacteria are suggested to promote colorectal cancer (CRC). In contrast, probiotics and their isolated components and secreted substances, display anti-tumor properties due to their ability to modulate gut microbiota composition, promote apoptosis, enhance immunity, resist oxidation and alter metabolism. Probiotics help to form a solid intestinal barrier against damaging agents via altering the gut microbiota and preventing harmful microbes from colonization. Probiotic strains that specifically target essential proteins involved in the process of apoptosis can overcome CRC resistance to apoptosis. They can increase the production of anti-inflammatory cytokines, essential in preventing carcinogenesis, and eliminate cancer cells by activating T cell-mediated immune responses. There is a clear indication that probiotics optimize the antioxidant system, decrease radical generation, and detect and degrade potential carcinogens. In this review, the pathogenic mechanisms of pathogens in CRC and the recent insights into the mechanism of probiotics in CRC prevention and therapy are discussed to provide a reference for the actual application of probiotics in CRC.
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Affiliation(s)
- Qinqin Li
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Dongmei Liu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China.
| | - Minghua Liang
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Yichao Zhu
- Laboratory of Cell Engineering, Research Unit of Cell Death Mechanism, Beijing Institute of Biotechnology, Chinese Academy of Medical Sciences (2021RU008), Beijing, 100071, China
| | - Muhammad Yousaf
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Yaping Wu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510640, China
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2
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Hosseini H, Abbasi A, Sabahi S, Akrami S, Yousefi-Avarvand A. Assessing the Potential Biological Activities of Postbiotics Derived from Saccharomyces cerevisiae: An In Vitro Study. Probiotics Antimicrob Proteins 2024; 16:1348-1364. [PMID: 37402072 DOI: 10.1007/s12602-023-10117-y] [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] [Accepted: 06/26/2023] [Indexed: 07/05/2023]
Abstract
A new biotherapeutic strategy involves the use of microbial bioactive substances (postbiotics) that exhibit optimum compatibility and intimate contact with the immune system of the host. This study was aimed at investigating the potential biological activities of postbiotics derived from Saccharomyces cerevisiae (PTCC 5269) (PSC) under in vitro circumstances. Based on the outcomes, the synthesized PSC possessing a high level of phenolic (102.46 ± 0.25 mg GAE/g) and flavonoid (19.87 ± 75.32 mg QE/g) content demonstrated significant radical scavenging activity (87.34 ± 0.56%); antibacterial action towards Listeria monocytogenes, Streptococcus mutans, Salmonella typhi, and Escherichia coli (in order of effectiveness) in both in vitro and food models (whole milk and ground meat); probiotics' growth-promoting activity in the fermentation medium; α-glucosidase enzyme-inhibiting and cholesterol-lowering properties in a concentration- and pH-dependent manner; reduction in the cell viability (with the significant IC50 values of 34.27 and 23.58 μg/mL after 24 and 48 h, respectively); suppressed the initial (G0/G1) phase of the cell's division; induced apoptosis; and increased the expression of PTEN gene, while the IkB, RelA, and Bcl-XL genes indicated diminished expression in treated SW480 cancer cells. These multiple health-promoting functions of PSC can be extended to medical, biomedical, and food scopes, as novel biotherapeutic approaches, in order to design efficient and optimized functional food formulations or/and supplementary medications to use as adjuvant agents for preventing or/and treating chronic/acute disorders.
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Affiliation(s)
- Hedayat Hosseini
- Department of Food Science and Technology, Faculty of Nutrition Science and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amin Abbasi
- Department of Food Science and Technology, Faculty of Nutrition Science and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sahar Sabahi
- Toxicology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
- Department of Nutrition, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
| | - Sousan Akrami
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Arshid Yousefi-Avarvand
- Department of Laboratory Sciences, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Chin KW, Khoo SC, Paul RPM, Luang-In V, Lam SD, Ma NL. Potential of Synbiotics and Probiotics as Chemopreventive Agent. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10299-z. [PMID: 38896220 DOI: 10.1007/s12602-024-10299-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/22/2024] [Indexed: 06/21/2024]
Abstract
Cancer remains a global problem, with millions of new cases diagnosed yearly and countless lives lost. The financial burden of cancer therapy, along with worries about the long-term safety of existing medicines, necessitates the investigation of alternative approaches to cancer prevention. Probiotics generate chemopreventive compounds such as bacteriocins, short-chain fatty acids (SCFA), and extracellular polymeric substances (EPS), which have demonstrated the ability to impede cancer cell proliferation, induce apoptosis, and bolster the expression of pro-apoptotic genes. On the other hand, prebiotics, classified as non-digestible food ingredients, promote the proliferation of probiotics within the colon, thereby ensuring sustained functionality of the gut microbiota. Consequently, the synergistic effect of combining prebiotics with probiotics, known as the synbiotic effect, in dietary interventions holds promise for potentially mitigating cancer risk and augmenting preventive measures. The utilization of gut microbiota in cancer treatment has shown promise in alleviating adverse health effects. This review explored the potential and the role of probiotics and synbiotics in enhancing health and contributing to cancer prevention efforts. In this review, the applications of functional probiotics and synbiotics, the mechanisms of action of probiotics in cancer, and the relationship of probiotics with various drugs were discussed, shedding light on the potential of probiotics and synbiotics to alleviate the burdens of cancer treatment.
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Affiliation(s)
- Kah Wei Chin
- Bioses Research Interest Group (BIOSES), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia
| | - Shing Ching Khoo
- Bioses Research Interest Group (BIOSES), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia
| | - Richard Paul Merisha Paul
- Bioses Research Interest Group (BIOSES), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia
| | - Vijitra Luang-In
- Natural Antioxidant Innovation Research Unit, Department of Biotechnology, Faculty of Technology, Mahasarakham University, Khamriang, 44150, Kantarawichai, Maha Sarakham, Thailand
| | - Su Datt Lam
- School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, 43600, Selangor, Malaysia
| | - Nyuk Ling Ma
- Bioses Research Interest Group (BIOSES), Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, 21030, Terengganu, Malaysia.
- Department of Sustainable Engineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India.
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4
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Yeo K, Li R, Wu F, Bouras G, Mai LTH, Smith E, Wormald PJ, Valentine R, Psaltis AJ, Vreugde S, Fenix K. Identification of consensus head and neck cancer-associated microbiota signatures: a systematic review and meta-analysis of 16S rRNA and The Cancer Microbiome Atlas datasets. J Med Microbiol 2024; 73. [PMID: 38299619 DOI: 10.1099/jmm.0.001799] [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] [Indexed: 02/02/2024] Open
Abstract
Introduction. Multiple reports have attempted to describe the tumour microbiota in head and neck cancer (HNSC).Gap statement. However, these have failed to produce a consistent microbiota signature, which may undermine understanding the importance of bacterial-mediated effects in HNSC.Aim. The aim of this study is to consolidate these datasets and identify a consensus microbiota signature in HNSC.Methodology. We analysed 12 published HNSC 16S rRNA microbial datasets collected from cancer, cancer-adjacent and non-cancer tissues to generate a consensus microbiota signature. These signatures were then validated using The Cancer Microbiome Atlas (TCMA) database and correlated with the tumour microenvironment phenotypes and patient's clinical outcome.Results. We identified a consensus microbial signature at the genus level to differentiate between HNSC sample types, with cancer and cancer-adjacent tissues sharing more similarity than non-cancer tissues. Univariate analysis on 16S rRNA datasets identified significant differences in the abundance of 34 bacterial genera among the tissue types. Paired cancer and cancer-adjacent tissue analyses in 16S rRNA and TCMA datasets identified increased abundance in Fusobacterium in cancer tissues and decreased abundance of Atopobium, Rothia and Actinomyces in cancer-adjacent tissues. Furthermore, these bacteria were associated with different tumour microenvironment phenotypes. Notably, high Fusobacterium signature was associated with high neutrophil (r=0.37, P<0.0001), angiogenesis (r=0.38, P<0.0001) and granulocyte signatures (r=0.38, P<0.0001) and better overall patient survival [continuous: HR 0.8482, 95 % confidence interval (CI) 0.7758-0.9273, P=0.0003].Conclusion. Our meta-analysis demonstrates a consensus microbiota signature for HNSC, highlighting its potential importance in this disease.
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Affiliation(s)
- Kenny Yeo
- Discipline of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide SA, 5000, Australia
- Department of Surgery- Otolaryngology Head and Neck Surgery, The University of Adelaide and the Basil Hetzel Institute for Translational Health Research, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - Runhao Li
- Discipline of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide SA, 5000, Australia
- Department of Haematology and Oncology, Basil Hetzel Institute for Translational Health Research and The Queen Elizabeth Hospital, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - Fangmeinuo Wu
- Discipline of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide SA, 5000, Australia
- Department of Haematology and Oncology, Basil Hetzel Institute for Translational Health Research and The Queen Elizabeth Hospital, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - George Bouras
- Department of Surgery- Otolaryngology Head and Neck Surgery, The University of Adelaide and the Basil Hetzel Institute for Translational Health Research, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - Linh T H Mai
- Discipline of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide SA, 5000, Australia
- Department of Surgery- Otolaryngology Head and Neck Surgery, The University of Adelaide and the Basil Hetzel Institute for Translational Health Research, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - Eric Smith
- Discipline of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide SA, 5000, Australia
- Department of Haematology and Oncology, Basil Hetzel Institute for Translational Health Research and The Queen Elizabeth Hospital, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - Peter-John Wormald
- Discipline of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide SA, 5000, Australia
- Department of Surgery- Otolaryngology Head and Neck Surgery, The University of Adelaide and the Basil Hetzel Institute for Translational Health Research, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - Rowan Valentine
- Department of Surgery- Otolaryngology Head and Neck Surgery, The University of Adelaide and the Basil Hetzel Institute for Translational Health Research, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - Alkis James Psaltis
- Discipline of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide SA, 5000, Australia
- Department of Surgery- Otolaryngology Head and Neck Surgery, The University of Adelaide and the Basil Hetzel Institute for Translational Health Research, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - Sarah Vreugde
- Discipline of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide SA, 5000, Australia
- Department of Surgery- Otolaryngology Head and Neck Surgery, The University of Adelaide and the Basil Hetzel Institute for Translational Health Research, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
| | - Kevin Fenix
- Discipline of Surgery, Adelaide Medical School, The University of Adelaide, Adelaide SA, 5000, Australia
- Department of Surgery- Otolaryngology Head and Neck Surgery, The University of Adelaide and the Basil Hetzel Institute for Translational Health Research, Central Adelaide Local Health Network, Woodville South SA, 5011, Australia
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Abdel Tawab FI, Abd Elkadr MH, Sultan AM, Hamed EO, El-Zayat AS, Ahmed MN. Probiotic potentials of lactic acid bacteria isolated from Egyptian fermented food. Sci Rep 2023; 13:16601. [PMID: 37789063 PMCID: PMC10547719 DOI: 10.1038/s41598-023-43752-0] [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: 06/28/2023] [Accepted: 09/27/2023] [Indexed: 10/05/2023] Open
Abstract
Lactic acid bacteria (LAB) are of major concern due to their health benefits. Fermented food products comprise variable LAB demonstrating probiotic properties. Discovering and evaluating new probiotics in fermented food products poses a global economic and health importance. Therefore, the present work aimed to investigate and evaluate the probiotic potentials of LAB strains isolated from Egyptian fermented food. In this study, we isolated and functionally characterized 100 bacterial strains isolated from different Egyptian fermented food sources as probiotics. Only four LAB strains amongst the isolated LAB showed probiotic attributes and are considered to be safe for their implementation as feed or dietary supplements. Additionally, they were shown to exert antimicrobial activities against pathogenic bacteria and anticancer effects against the colon cancer cell line Caco-2. The Enterococcus massiliensis IS06 strain was exclusively reported in this study as a probiotic strain with high antimicrobial, antioxidant, and anti-colon cancer activity. Hitherto, few studies have focused on elucidating the impact of probiotic supplementation in vivo. Therefore, in the current study, the safety of the four strains was tested in vivo through the supplementation of rats with potential probiotic strains for 21 days. The results revealed that probiotic bacterial supplementation in rats did not adversely affect the general health of rats. The Lactiplantibacillus plantarum IS07 strain significantly increased the growth performance of rats. Furthermore, the four strains exhibited increased levels of antioxidants such as superoxide dismutase and glutathione in vivo. Consistently, all strains also showed high antioxidant activity of the superoxide dismutase enzyme in vitro. Overall, these findings demonstrated that these isolated potential probiotics harbor desirable characteristics and can be applied widely as feed additives for animals or as dietary supplements for humans to exert their health benefits and combat serious diseases.
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Affiliation(s)
- Fatma I Abdel Tawab
- Oil Crops Biotechnology Lab, Agricultural Genetic Engineering Institute, Agricultural Research Center, Giza, Egypt
| | - Menna H Abd Elkadr
- Microbiology Lab, Research Park, Faculty of Agriculture, Cairo University, Giza, Egypt
| | - Amany M Sultan
- Department of Biochemistry, Toxicology Unit, Animal Health Research Institute, Agricultural Research Center, Giza, Egypt
| | - Ehdaa O Hamed
- Department of Biochemistry, Toxicology Unit, Animal Health Research Institute, Agricultural Research Center, Giza, Egypt
| | - Ayatollah S El-Zayat
- Department of Microbiology, Faculty of Agriculture, Cairo University, El-Gamaa Street, Giza, 12613, Egypt
| | - Marwa N Ahmed
- Department of Microbiology, Faculty of Agriculture, Cairo University, El-Gamaa Street, Giza, 12613, Egypt.
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6
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Zhao Z, Yang Q, Zhou T, Liu C, Sun M, Cui X, Zhang X. Anticancer potential of Bacillus coagulans MZY531 on mouse H22 hepatocellular carcinoma cells via anti-proliferation and apoptosis induction. BMC Complement Med Ther 2023; 23:318. [PMID: 37705007 PMCID: PMC10498517 DOI: 10.1186/s12906-023-04120-7] [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: 05/18/2023] [Accepted: 08/07/2023] [Indexed: 09/15/2023] Open
Abstract
Bacillus coagulans have recently revealed its anticancer effects, but few investigations are available on their effects on liver cancer proliferation, and the precise mechanism to mark its impact on apoptosis-related signaling pathways has yet to be elucidated. The aim of this study was to evaluate the anti-proliferative effect of B. coagulans MZY531 and apoptosis induction in the mouse H22 hepatocellular carcinoma cell line. The anti-proliferative activity of B. coagulans MZY531 was evaluated by Cell Counting Kit-8 (CCK-8) assay, and cell apoptosis was revealed with Terminal Deoxynucleotidyl Transferase (TDT)-mediated dUTP Nick-End Labeling (TUNEL) staining and flow cytometric analysis. The expressions of apoptosis-related protein were determined by western blot analysis. The CCK-8 assay revealed that B. coagulans MZY531 inhibited the H22 cells proliferation in a concentration-dependent manner. TUNEL staining revealed an increased apoptosis rate in H22 cells following intervention with B. coagulans MZY531. Furthermore, flow cytometric analysis showed that B. coagulans MZY531 treatment (MOI = 50 and 100) significantly alleviated the H22 cells apoptosis compared with the control group. Western blot analysis found B. coagulans MZY531 significantly decreased level of phospho-PI3K (p-PI3K), phospho-AKT (p-AKT), and phospho-mTOR (p-mTOR) compared with the control group. Furthermore, H22 cells treatment with B. coagulans MZY531 enhanced the expression of caspase-3 and Bax and jeopardized the expression of Bcl-2. Taken together, apoptosis induction and cell proliferation inhibition via PI3K/AKT/mTOR and Bax/Bcl-2/Caspase-3 pathway are promising evidence to support B. coagulans MZY531 as a potential therapeutic agent for cancer.
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Affiliation(s)
- Zhongwei Zhao
- Medical College, Yanbian University, Yanji, 133002, Jilin Province, P.R. China
- College of Special Education, Changchun University, Changchun, 130022, P.R. China
| | - Qian Yang
- College of Special Education, Changchun University, Changchun, 130022, P.R. China
| | - Tingting Zhou
- Innovation Practice Center, The Changchun University of Traditional Chinese Medicine, Changchun, 130000, P.R. China
| | - Chunhong Liu
- College of Special Education, Changchun University, Changchun, 130022, P.R. China
| | - Manqing Sun
- Medical College, Yanbian University, Yanji, 133002, Jilin Province, P.R. China
| | - Xinmu Cui
- Medical College, Yanbian University, Yanji, 133002, Jilin Province, P.R. China
| | - Xuewu Zhang
- Medical College, Yanbian University, Yanji, 133002, Jilin Province, P.R. China.
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7
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Liu J, Huang X, Chen C, Wang Z, Huang Z, Qin M, He F, Tang B, Long C, Hu H, Pan S, Wu J, Tang W. Identification of colorectal cancer progression-associated intestinal microbiome and predictive signature construction. J Transl Med 2023; 21:373. [PMID: 37291572 PMCID: PMC10249256 DOI: 10.1186/s12967-023-04119-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 04/09/2023] [Indexed: 06/10/2023] Open
Abstract
OBJECTIVE The relationship between intestinal microbiome and colorectal cancer (CRC) progression is unclear. This study aims to identify the intestinal microbiome associated with CRC progression and construct predictive labels to support the accurate assessment and treatment of CRC. METHOD The 192 patients included in the study were divided into stage I-II and stage III-IV CRC patients according to the pathological stages, and preoperative stools were collected from both groups for 16S rDNA sequencing of the intestinal microbiota. Pearson correlation and Spearman correlation coefficient analysis were used to analyze the differential intestinal microbiome and the correlation with tumor microenvironment and to predict the functional pathway. XGBoost model (XGB) and Random Forest model (RF) were used to construct the microbiome-based signature. The total RNA extraction from 17 CRC tumor simples was used for transcriptome sequencing. RESULT The Simpson index of intestinal microbiome in stage III-IV CRC were significantly lower than those in stage I-II CRC. Proteus, Parabacteroides, Alistipes and Ruminococcus etc. are significantly enriched genus in feces of CRC patients with stage III-IV. ko00514: Other types of O - glycan biosynthesis pathway is relevant with CRC progression. Alistipes indistinctus was positively correlated with mast cells, immune activators IL-6 and IL6R, and GOBP_PROTEIN_FOLDING_IN_ENDOPLASMIC_RETICULUM dominantly. The Random Forest (RF) model and eXtreme Gradient Boosting (XGBoost) model constructed with 42 CRC progression-associated differential bacteria were effective in distinguishing CRC patients between stage I-II and stage III-IV. CONCLUSIONS The abundance and diversity of intestinal microbiome may increase gradually with the occurrence and progression of CRC. Elevated fetal abundance of Proteus, Parabacteroides, Alistipes and Ruminococcus may contribute to CRC progression. Enhanced synthesis of O - glycans may result in CRC progression. Alistipes indistinctus may play a facilitated role in mast cell maturation by boosting IL-6 production. Alistipes indistinctus may work in the correct folding of endoplasmic reticulum proteins in CRC, reducing ER stress and prompting the survival and deterioration of CRC, which may owe to the enhanced PERK expression and activation of downstream UPR by Alistipes indistinctus. The CRC progression-associated differential intestinal microbiome identified in our study can be served as potential microbial markers for CRC staging prediction.
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Affiliation(s)
- Jungang Liu
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China
| | - Xiaoliang Huang
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China
| | - Chuanbin Chen
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China
| | - Zhen Wang
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China
| | - Zigui Huang
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China
| | - Mingjian Qin
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China
| | - Fuhai He
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China
| | - Binzhe Tang
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China
| | - Chenyan Long
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China
| | - Hong Hu
- School of Public Health, Guangxi Medical University, Nanning, The People's Republic of China
| | - Shuibo Pan
- School of Public Health, Guangxi Medical University, Nanning, The People's Republic of China
| | - Junduan Wu
- School of Public Health, Guangxi Medical University, Nanning, The People's Republic of China.
| | - Weizhong Tang
- Division of Colorectal & Anal Surgery, Department of Gastrointestinal Surgery, Guangxi Medical University Cancer Hospital, Nanning, The People's Republic of China.
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8
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Amin M, Navidifar T, Saeb S, Barzegari E, Jamalan M. Tumor-targeted induction of intrinsic apoptosis in colon cancer cells by Lactobacillus plantarum and Lactobacillus rhamnosus strains. Mol Biol Rep 2023; 50:5345-5354. [PMID: 37155013 DOI: 10.1007/s11033-023-08445-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 04/11/2023] [Indexed: 05/10/2023]
Abstract
BACKGROUND Colorectal cancer is one of the widespread and lethal types of malignancies. Recently, antineoplastic attributes of probiotics have attracted lots of attention. Here, we investigated anti-proliferative potential of the non-pathogenic strains Lactobacillus plantarum ATCC 14,917 and Lactobacillus rhamnosus ATCC 7469 on human colorectal adenocarcinoma-originated Caco-2 cells. METHODS AND RESULTS Caco-2 and HUVEC control cells were treated with ethyl acetate extracts of the two Lactobacillus strains to assess cell viability by MTT assay. Annexin/PI staining flow cytometry, and caspase-3, -8 and - 9 activity assays were performed to determine the type of cell death induced in extract-treated cells. Expression levels of apoptosis-related genes were evaluated by RT-PCR. Extracts from both L. plantarum and L. rhamnosus specifically targeted the Caco-2 cells and not HUVEC controls, and significantly affected the viability of the colon cancer cell line in a time- and dose-dependent manner. This effect was shown to occur through activation of the intrinsic apoptosis pathway, as indicated by the increased caspase-3 and - 9 activities. While there are limited and conflicting data about the mechanisms underlying the specific antineoplastic attributes of Lactobacillus strains, we clarified the overall induced mechanism. The Lactobacillus extracts specifically down-regulated the expression of the anti-apoptotic bcl-2 and bcl-xl, and simultaneously up-regulated the pro-apoptotic bak, bad, and bax genes in treated Caco-2 cells. CONCLUSIONS Ethyl acetate extracts of L. plantarum and L. rhamnosus strains could be considered as targeted anti-cancer treatments specifically inducing the intrinsic apoptosis pathway in colorectal tumor cells.
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Affiliation(s)
- Mansour Amin
- Department of Microbiology, Cellular and Molecular Research Center, Infectious and Tropical Diseases Research Center, Health Research Institute, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Tahereh Navidifar
- Department of Microbiology, Cellular and Molecular Research Center, Infectious and Tropical Diseases Research Center, Health Research Institute, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Sholeh Saeb
- Department of Microbiology, Cellular and Molecular Research Center, Infectious and Tropical Diseases Research Center, Health Research Institute, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ebrahim Barzegari
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mostafa Jamalan
- Department of Biochemistry, Abadan University of Medical Sciences, Abadan, Iran.
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9
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Zhao T, Wang H, Liu Z, Liu Y, Li B, Huang X. Recent Perspective of Lactobacillus in Reducing Oxidative Stress to Prevent Disease. Antioxidants (Basel) 2023; 12:antiox12030769. [PMID: 36979017 PMCID: PMC10044891 DOI: 10.3390/antiox12030769] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/19/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
During oxidative stress, an important factor in the development of many diseases, cellular oxidative and antioxidant activities are imbalanced due to various internal and external factors such as inflammation or diet. The administration of probiotic Lactobacillus strains has been shown to confer a range of antibacterial, anti-inflammatory, antioxidant, and immunomodulatory effects in the host. This review focuses on the potential role of oxidative stress in inflammatory bowel diseases (IBD), cancer, and liver-related diseases in the context of preventive and therapeutic effects associated with Lactobacillus. This article reviews studies in cell lines and animal models as well as some clinical population reports that suggest that Lactobacillus could alleviate basic symptoms and related abnormal indicators of IBD, cancers, and liver damage, and covers evidence supporting a role for the Nrf2, NF-κB, and MAPK signaling pathways in the effects of Lactobacillus in alleviating inflammation, oxidative stress, aberrant cell proliferation, and apoptosis. This review also discusses the unmet needs and future directions in probiotic Lactobacillus research including more extensive mechanistic analyses and more clinical trials for Lactobacillus-based treatments.
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Affiliation(s)
- Tingting Zhao
- School of Public Health, Lanzhou University, Lanzhou 730033, China
- Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850000, China
| | - Haoran Wang
- School of Public Health, Lanzhou University, Lanzhou 730033, China
- Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850000, China
| | - Zhenjiang Liu
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun 130012, China
| | - Yang Liu
- Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850000, China
| | - Bin Li
- Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850000, China
| | - Xiaodan Huang
- School of Public Health, Lanzhou University, Lanzhou 730033, China
- Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa 850000, China
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Wang L, Yu KC, Hou YQ, Guo M, Yao F, Chen ZX. Gut microbiome in tumorigenesis and therapy of colorectal cancer. J Cell Physiol 2023; 238:94-108. [PMID: 36409765 DOI: 10.1002/jcp.30917] [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: 08/02/2022] [Revised: 11/09/2022] [Accepted: 11/09/2022] [Indexed: 11/22/2022]
Abstract
Colorectal cancer (CRC) is the malignant tumor with the highest incidence in the digestive system, and the gut microbiome plays a crucial role in CRC tumorigenesis and therapy. The gastrointestinal tract is the organ harboring most of the microbiota in humans. Changes in the gut microbiome in CRC patients suggest possible host-microbe interactions, thereby hinting the potential tumorigenesis, which provides new perspective for preventing, diagnosing, or treating CRC. In this review, we discuss the effects of gut microbiome dysbiosis on CRC, and reveal the mechanisms by which gut microbiome dysbiosis leads to CRC. Gut microbiome modulation with the aim to reverse the established gut microbial dysbiosis is a novel strategy for the prevention and treatment of CRC. In addition, this review summarizes that probiotic antagonize CRC tumorigenesis by protecting intestinal barrier function, inhibiting cancer cell proliferation, resisting oxidative stress, and enhancing host immunity. Finally, we highlight clinical applications of the gut microbiome, such as gut microbiome analysis-based biomarker screening and prediction, and microbe modulation-based CRC prevention, treatment enhancement, and treatment side effect reduction. This review provides the reference for the clinical application of gut microbiome in the prevention and treatment of CRC.
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Affiliation(s)
- Ling Wang
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, People's Republic of China
- Hubei Hongshan Laboratory, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, People's Republic of China
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Life Science and Technology, Interdisciplinary Sciences Institute, Huazhong Agricultural University, Wuhan, People's Republic of China
- Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Shenzhen, People's Republic of China
| | - Ke-Chun Yu
- Hubei Hongshan Laboratory, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, People's Republic of China
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Life Science and Technology, Interdisciplinary Sciences Institute, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Yun-Qing Hou
- Hubei Hongshan Laboratory, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, People's Republic of China
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Life Science and Technology, Interdisciplinary Sciences Institute, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Min Guo
- Hubei Hongshan Laboratory, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, People's Republic of China
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Life Science and Technology, Interdisciplinary Sciences Institute, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Fan Yao
- Hubei Hongshan Laboratory, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, People's Republic of China
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Life Science and Technology, Interdisciplinary Sciences Institute, Huazhong Agricultural University, Wuhan, People's Republic of China
| | - Zhen-Xia Chen
- Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, People's Republic of China
- Hubei Hongshan Laboratory, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, People's Republic of China
- Hubei Key Laboratory of Agricultural Bioinformatics, College of Life Science and Technology, Interdisciplinary Sciences Institute, Huazhong Agricultural University, Wuhan, People's Republic of China
- Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, Shenzhen, People's Republic of China
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Nami Y, Hejazi S, Geranmayeh MH, Shahgolzari M, Yari Khosroushahi A. Probiotic immunonutrition impacts on colon cancer immunotherapy and prevention. Eur J Cancer Prev 2023; 32:30-47. [PMID: 36134612 DOI: 10.1097/cej.0000000000000738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The important role of the immune system in treating cancer has attracted the attention of researchers to the emergence of oncology research. Immunotherapy has shown that the immune system is important in the fight against cancer. The challenge has led researchers to analyze the impact of immunotherapy on improving the status of the immune system, modifying the resulting safety response, reducing toxicity, and improving the results. This study aimed to discuss the potential mechanisms of probiotics in preventing colon cancer. The mechanisms include the change in intestinal microbiota, the metabolic activity of microbiota, the binding and degradation of the carcinogenic compounds present in the lumen of the intestine, the production of compounds with anticancer activity, immune system modification, intestinal dysfunction, changes in host physiology, and inhibition of cell proliferation and induction of apoptosis in cancerous cells. By contrast, very few reports have shown the harmful effects of oral probiotic supplements. According to available evidence, further studies on probiotics are needed, especially in identifying bacterial species with anticancer potential, studying the survival of the strains after passing the digestive tract, reviewing potential side effects in people with a weak immune system, and ultimately consuming and repeating its use. This study emphasizes that the nutritional formula can modulate inflammatory and immune responses in cancer patients. This effect reduces acute toxicity, although the pathways and measurement of this immune response are unclear. Nutrition safety is an emerging field in oncology, and further research is required.
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Affiliation(s)
- Yousef Nami
- Department of Food Biotechnology, Branch for Northwest & West Region, Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education and Extension Organization (AREEO)
| | - Salva Hejazi
- Department of Medicine, Student Research Committee, Tabriz University of Medical Sciences
| | - Mohammad Hossein Geranmayeh
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences
| | - Mehdi Shahgolzari
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences
- Biotechnology Research Center, Tabriz University of Medical Sciences
| | - Ahmad Yari Khosroushahi
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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12
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Quazi S. Anti-cancer activity of human gastrointestinal bacteria. Med Oncol 2022; 39:220. [PMID: 36175586 DOI: 10.1007/s12032-022-01771-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 06/14/2022] [Indexed: 06/16/2023]
Abstract
Malignant neoplasm is one of the most incurable diseases among inflammatory diseases. Researchers have been studying for decades to win over this lethal disease and provide the light of hope to humankind. The gastrointestinal bacteria of human hold a complex ecosystem and maintain homeostasis. One hundred trillion microbes are residing in the gastrointestinal tract of human. Disturbances in the microbiota of human's gastrointestinal tract can create immune response against inflammation and also can develop diseases, including cancer. The bacteria of the gastrointestinal tract of human can secrete a variety of metabolites and bioproducts which aid in the preservation of homeostasis in the host and gut. During pathogenic dysbiosis, on the other hand, numerous microbiota subpopulations may increase and create excessive levels of toxins, which can cause inflammation and cancer. Furthermore, the immune system of host and the epithelium cell can be influenced by gut microbiota. Probiotics, which are bacteria that live in the gut, have been protected against tumor formation. Probiotics are now studied to see if they can help fight dysbiosis in cancer patients undergoing chemotherapy or radiotherapy because of their capacity to maintain gut homeostasis. Countless numbers of gut bacteria have demonstrated anti-cancer efficiency in cancer treatment, prevention, and boosting the efficiency of immunotherapy. The review article has briefly explained the anti-cancer immunity of gut microbes and their application in treating a variety of cancer. This review paper also highlights the pre-clinical studies of probiotics against cancer and the completed and ongoing clinical trials on cancers with the two most common and highly effective probiotics Lactobacillus and Bacillus spp.
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Affiliation(s)
- Sameer Quazi
- GenLab Biosolutions Private Limited, Bangalore, 560043, Karnataka, India.
- Department of Biomedical Sciences, School of Life Sciences, Anglia Ruskin University, Cambridge, UK.
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13
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Anti-Tumor Effect of Heat-Killed Bifidobacterium bifidum on Human Gastric Cancer through Akt-p53-Dependent Mitochondrial Apoptosis in Xenograft Models. Int J Mol Sci 2022; 23:ijms23179788. [PMID: 36077182 PMCID: PMC9456556 DOI: 10.3390/ijms23179788] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/24/2022] [Accepted: 08/26/2022] [Indexed: 12/04/2022] Open
Abstract
Paraprobiotics, inactivated microbial cells, regulate immune system and exhibit antioxidant and anti-inflammatory activities in patients with weakened immunity or the elderly. This study evaluated the anti-tumor effects of heat-killed Bifidobacterium and Lactobacillus on human gastric cancer MKN1 cells in vitro and in vivo in xenograft animal models. First, cytotoxicity and apoptosis in MKN1 cells of 11 different heat-killed Bifidobacterium or Lactobacillus strains were examined using the MTT assay or flow cytometry, respectively. Then, BALB/c nude mice xenograft animal models were implanted with human gastric cancer MKN1 cells and orally administered a selected single or a mixture of heat-killed bacterial strains to investigate their inhibitory effect on tumor growth. In addition, the expression of p-Akt, p53, Bax, Bak, cleaved caspase-9, -3, and PARP in the tumor tissues was analyzed using Western blotting assay or immunohistochemistry staining. The results show that heat-killed B. bifidum MG731 (MG731), L. reuteri MG5346 (MG5346), and L. rhamnosus MG5200 (MG5200) induced relatively greater apoptosis than other strains in MKN1 cells. Oral administration of a single dose or a mixture of MG731, MG5346, or MG5200 significantly delayed tumor growth, and MG731 had the most effective anti-tumor effect in the xenograft model. Protein expression of p-Akt, p53, Bax, cleaved caspase-3 and -9, and PARP in tumors derived from the xenograft model correlated with the results of the immunohistochemistry staining.
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Colorectal cancer: risk factors and potential of dietary probiotics in its prevention. PROCEEDINGS OF THE INDIAN NATIONAL SCIENCE ACADEMY 2022. [DOI: 10.1007/s43538-022-00083-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Nowak A, Zakłos-Szyda M, Rosicka-Kaczmarek J, Motyl I. Anticancer Potential of Post-Fermentation Media and Cell Extracts of Probiotic Strains: An In Vitro Study. Cancers (Basel) 2022; 14:cancers14071853. [PMID: 35406625 PMCID: PMC8998059 DOI: 10.3390/cancers14071853] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/31/2022] [Accepted: 04/05/2022] [Indexed: 01/27/2023] Open
Abstract
Simple Summary Probiotics and their metabolites are very important for human health. The aim of this research was to determine probiotic strains with the strongest inhibitory properties against intestinal cancer cells. As a result of the screening, it was possible to find two strains, i.e., Lactiplantibacillus plantarum 0991 and Levilactobacillus brevis 0983, that could inhibit the proliferation of cancer cells by induction of oxidative stress and programmed cell death. Both strains exhibit interesting anticancer properties and potential as functional food ingredients; however, the results must be confirmed in further research. Abstract Background: Lactic acid bacteria (LAB), many of which are probiotics, can produce health-promoting metabolites (postbiotics). Purpose: To assess the mechanism of antiproliferative action of postbiotics, post-fermentation media (PFM) and cell extracts (CEs) of several strains of LAB were studied against colon (Caco-2), and cervix (HeLa) cancer cell lines, as well as normal intestine (IEC-6) cells, were used as a comparison. Methods: Postbiotics of various LAB (n = 39) were screened for their antiproliferative activity. The effect of PFM and CEs on reactive oxygen species (ROS), mitochondrial membrane potential (MMP), ATP production, phosphatidylserine (PS) externalisation, and apoptosis-related caspases 3/7 and 9 activation was assayed. Results: PFM and CEs showed strong dose-dependent antiproliferative activity against Caco-2 cells, up to 77.8 ± 0.8% and 58.4 ± 1.6% for PFM and CEs, respectively. Stronger inhibitory activity against cancerous (Caco-2 and HeLa) cells than against normal (IEC-6) cells was observed. PFM were more inhibitory than CEs, and both generated oxidative stress in Caco-2 cells. PFM of L. plantarum 0991 and L. brevis 0983 induced apoptosis in Caco-2 cells by the mitochondrial signalling pathway. Conclusions: Anticancer activity of PFM and CEs of LAB, as well as the ability of apoptosis induction, is strain-specific.
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Affiliation(s)
- Adriana Nowak
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530 Lodz, Poland;
- Correspondence:
| | - Małgorzata Zakłos-Szyda
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland;
| | - Justyna Rosicka-Kaczmarek
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 2/22, 90-537 Lodz, Poland;
| | - Ilona Motyl
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530 Lodz, Poland;
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Berkowitz E, Kopelman Y, Kadosh D, Carasso S, Tiosano B, Kesler A, Geva-Zatorsky N. "More Guts Than Brains?"-The Role of Gut Microbiota in Idiopathic Intracranial Hypertension. J Neuroophthalmol 2022; 42:e70-e77. [PMID: 34270519 DOI: 10.1097/wno.0000000000001330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Idiopathic intracranial hypertension syndrome (IIH) is most common among obese women. Weight loss is an important factor in improving papilledema. Over the last decade, growing evidence has identified gut microbiota as a potential factor in the pathophysiology of obesity. Accordingly, we investigated whether the gut microbiome is modified in IIH patients compared with healthy controls, and provide possible new treatment venues. METHODS Shotgun metagenomic sequencing of the gut microbiome of 25 cases of IIH patients (according to the modified Dandy criteria) and 20 healthy controls. Participants were further stratified according to their body mass index. The total DNA from each sample was extracted using the PureLink Microbiome DNA Purification Kit A29789 (Invitrogen, Thermo Fisher Scientific, US). Library preparation was performed using the Nextera DNA Flex Library Prep Kit. Samples were sequenced on the Illumina Novaseq 6000 device. A list of bacterial species that significantly differed between the IIH patients and healthy controls was produced in addition to species diversity. In addition, patients' cohort alone was analyzed, (excluding the healthy controls), and the effect of acetazolamide treatment on their gut microbiota was analyzed. RESULTS IIH patients have a lower diversity of bacterial species compared with healthy individuals. These bacteria, that is, Lactobacillus ruminis (L. ruminis) (p<6.95E-08), Atopobium parvulum (p<3.9E-03), Megamonas hypermegale (p<5.61E-03), Ruminococcus gnavus (p<1.29E-02), MEL.A1 (p<3.04E-02), and Streptococcus sp. I-G2 (p<3.04E-02), were previously characterized with beneficial health effects. Moreover, we found that Lactobacillus brevis, a beneficial bacterium as well, is more abundant in acetazolamide treated patients (p<7.07E-06). CONCLUSIONS Gut microbiota plays a potential role in IIH etiology and therefore, can provide a promising new treatment approach for this disease.
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Affiliation(s)
- Eran Berkowitz
- Department of Ophthalmology (EB, BT, AK), Hillel Yaffe Medical Center, Hadera, Israel; Institute of Gastroenterology and Hepatology (YK), Hillel Yaffe Medical Center, Hadera, Israel; Department of Cell Biology and Cancer Science (DK, SC, NG-K), Rappaport Faculty of Medicine, Technion Israel Institute of Technology, Technion Integrated Cancer Center (TICC), Haifa, Israel; Sackler Faculty of Medicine (AK), Tel Aviv University, Tel Aviv, Israel; and Canadian Institute for Advanced Research (CIFAR) (NG-Z), Azrieli Global Scholar, MaRS Centre, Toronto, Canada
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Kim SJ, Kang CH, Kim GH, Cho H. Anti-Tumor Effects of Heat-Killed L. reuteri MG5346 and L. casei MG4584 against Human Colorectal Carcinoma through Caspase-9-Dependent Apoptosis in Xenograft Model. Microorganisms 2022; 10:microorganisms10030533. [PMID: 35336106 PMCID: PMC8948760 DOI: 10.3390/microorganisms10030533] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 02/23/2022] [Accepted: 02/23/2022] [Indexed: 12/12/2022] Open
Abstract
In this study, we examined the anti-tumor effects of heat-killed Bifidobacterium and Lactobacillus strains on human colorectal carcinoma RKO cells in in vitro and in vivo xenograft models. First, the cytotoxic and apoptotic effects of 11 different strains were examined using an MTT assay and flow cytometry, respectively. Then, xenograft BALB/c nude mice were implanted with RKO cells and orally administered with single or mixed heat-killed bacterial strains to examine their inhibitory effects on tumor growth. Additionally, the levels of cleaved caspase-9, -3, and -7 and PARP in tumor tissues were analyzed using Western blotting or immunohistochemistry staining. The results showed that RKO cells were highly susceptible to heat-killed B. bifidum MG731 and L. reuteri MG5346 and that L. casei MG4584 induced apoptosis to a greater extent than other strains. The oral administration of individual MG731, MG5346, or MG4584 significantly delayed tumor growth, and mixtures of MG5346 and MG4584 or MG731, MG5346, and MG4584 synergistically inhibited the tumor growth in the xenograft model. The expression of cleaved caspase-3, -7, and -9 and PARP in the tumor tissues was increased in Western blotting, and the expression of cleaved caspase-3 and PARP in immunohistochemistry staining was also increased. Therefore, we suggest that the use of the combination of MG5346 and MG4584 as parabiotics could effectively inhibit the growth of colorectal cancer.
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Affiliation(s)
- Suk-Jin Kim
- Department of Bio-Health Convergence Major, Duksung Women’s University, Seoul 01369, Korea;
| | | | - Gun-Hee Kim
- Department of Bio-Health Convergence Major, Duksung Women’s University, Seoul 01369, Korea;
- Correspondence: (G.-H.K.); (H.C.); Tel.: +82-2-901-8496 (G.-H.K.); +82-2-901-8678 (H.C.)
| | - Hyosun Cho
- Department of Pharmacy, Duksung Women’s University, Seoul 01369, Korea
- Duksung Innovative Drug Center, Duksung Women’s University, Seoul 01369, Korea
- Correspondence: (G.-H.K.); (H.C.); Tel.: +82-2-901-8496 (G.-H.K.); +82-2-901-8678 (H.C.)
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18
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Bacteria and bacterial derivatives as delivery carriers for immunotherapy. Adv Drug Deliv Rev 2022; 181:114085. [PMID: 34933064 DOI: 10.1016/j.addr.2021.114085] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 11/16/2021] [Accepted: 12/14/2021] [Indexed: 02/08/2023]
Abstract
There is growing interest in the role of microorganisms in human health and disease, with evidence showing that new types of biotherapy using engineered bacterial therapeutics, including bacterial derivatives, can address specific mechanisms of disease. The complex interactions between microorganisms and metabolic/immunologic pathways underlie many diseases with unmet medical needs, suggesting that targeting these interactions may improve patient treatment. Using tools from synthetic biology and chemical engineering, non-pathogenic bacteria or bacterial products can be programmed and designed to sense and respond to environmental signals to deliver therapeutic effectors. This review describes current progress in biotherapy using live bacteria and their derivatives to achieve therapeutic benefits against various diseases.
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Ashraf SA, Elkhalifa AEO, Ahmad MF, Patel M, Adnan M, Sulieman AME. Probiotic Fermented Foods and Health Promotion. AFRICAN FERMENTED FOOD PRODUCTS- NEW TRENDS 2022:59-88. [DOI: 10.1007/978-3-030-82902-5_6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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20
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Davoodvandi A, Fallahi F, Tamtaji OR, Tajiknia V, Banikazemi Z, Fathizadeh H, Abbasi-Kolli M, Aschner M, Ghandali M, Sahebkar A, Taghizadeh M, Mirzaei H. An Update on the Effects of Probiotics on Gastrointestinal Cancers. Front Pharmacol 2021; 12:680400. [PMID: 34992527 PMCID: PMC8724544 DOI: 10.3389/fphar.2021.680400] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 11/26/2021] [Indexed: 12/28/2022] Open
Abstract
Because of their increasing prevalence, gastrointestinal (GI) cancers are regarded as an important global health challenge. Microorganisms residing in the human GI tract, termed gut microbiota, encompass a large number of living organisms. The role of the gut in the regulation of the gut-mediated immune responses, metabolism, absorption of micro- and macro-nutrients and essential vitamins, and short-chain fatty acid production, and resistance to pathogens has been extensively investigated. In the past few decades, it has been shown that microbiota imbalance is associated with the susceptibility to various chronic disorders, such as obesity, irritable bowel syndrome, inflammatory bowel disease, asthma, rheumatoid arthritis, psychiatric disorders, and various types of cancer. Emerging evidence has shown that oral administration of various strains of probiotics can protect against cancer development. Furthermore, clinical investigations suggest that probiotic administration in cancer patients decreases the incidence of postoperative inflammation. The present review addresses the efficacy and underlying mechanisms of action of probiotics against GI cancers. The safety of the most commercial probiotic strains has been confirmed, and therefore these strains can be used as adjuvant or neo-adjuvant treatments for cancer prevention and improving the efficacy of therapeutic strategies. Nevertheless, well-designed clinical studies are still needed for a better understanding of the properties and mechanisms of action of probiotic strains in mitigating GI cancer development.
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Affiliation(s)
- Amirhossein Davoodvandi
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Farzaneh Fallahi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Omid Reza Tamtaji
- Students’ Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Vida Tajiknia
- Department of Surgery, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Zarrin Banikazemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hadis Fathizadeh
- Department of Laboratory Sciences, Sirjan Faculty of Medicine Sciences, Sirjan, Iran
| | - Mohammad Abbasi-Kolli
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Maryam Ghandali
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohsen Taghizadeh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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21
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Abstract
Several products consist of probiotics that are available in markets, and their potential uses are growing day by day, mainly because some strains of probiotics promote the health of gut microbiota, especially Furmicutes and Bacteroidetes, and may prevent certain gastrointestinal tract (GIT) problems. Some common diseases are inversely linked with the consumption of probiotics, i.e., obesity, type 2 diabetes, autism, osteoporosis, and some immunological disorders, for which the disease progression gets delayed. In addition to disease mitigating properties, these microbes also improve oral, nutritional, and intestinal health, followed by a robust defensive mechanism against particular gut pathogens, specifically by antimicrobial substances and peptides producing probiotics (AMPs). All these positive attributes of probiotics depend upon the type of microbial strains dispensed. Lactic acid bacteria (LAB) and Bifidobacteria are the most common microbes used, but many other microbes are available, and their use depends upon origin and health-promoting properties. This review article focuses on the most common probiotics, their health benefits, and the alleviating mechanisms against chronic kidney diseases (CKD), type 1 diabetes (T1D), type 2 diabetes (T2D), gestational diabetes mellitus (GDM), and obesity.
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22
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Probiotics: A Promising Candidate for Management of Colorectal Cancer. Cancers (Basel) 2021; 13:cancers13133178. [PMID: 34202265 PMCID: PMC8268640 DOI: 10.3390/cancers13133178] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/20/2021] [Accepted: 06/21/2021] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer (CRC) is the World's third most frequently diagnosed cancer type. It accounted for about 9.4% mortality out of the total incidences of cancer in the year 2020. According to estimated facts by World Health Organization (WHO), by 2030, 27 million new CRC cases, 17 million deaths, and around 75 million people living with the disease will appear. The facts and evidence that establish a link between the intestinal microflora and the occurrence of CRC are quite intuitive. Current shortcomings of chemo- and radiotherapies and the unavailability of appropriate treatment strategies for CRC are becoming the driving force to search for an alternative approach for the prevention, therapy, and management of CRC. Probiotics have been used for a long time due to their beneficial health effects, and now, it has become a popular candidate for the preventive and therapeutic treatment of CRC. The probiotics adopt different strategies such as the improvement of the intestinal barrier function, balancing of natural gut microflora, secretion of anticancer compounds, and degradation of carcinogenic compounds, which are useful in the prophylactic treatment of CRC. The pro-apoptotic ability of probiotics against cancerous cells makes them a potential therapeutic candidate against cancer diseases. Moreover, the immunomodulatory properties of probiotics have created interest among researchers to explore the therapeutic strategy by activating the immune system against cancerous cells. The present review discusses in detail different strategies and mechanisms of probiotics towards the prevention and treatment of CRC.
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Shamekhi S, Abdolalizadeh J, Ostadrahimi A, Mohammadi SA, Barzegari A, Lotfi H, Bonabi E, Zarghami N. Apoptotic Effect of Saccharomyces cerevisiae on Human Colon Cancer SW480 Cells by Regulation of Akt/NF-ĸB Signaling Pathway. Probiotics Antimicrob Proteins 2021; 12:311-319. [PMID: 30788662 DOI: 10.1007/s12602-019-09528-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Drug resistance is one of the major problems, which causes recurrence of cancers. Therefore, complementary treatments are needed to improve the impacts of chemotherapy agents. The effect of probiotics as cancer-preventing agents through involvement in the activation of apoptotic pathways has been established. The present study sought to investigate how the heat-killed form of Saccharomyces cerevisiae (as a probiotic) could affect the Akt/NF-kB-induced apoptosis in colon cancer cells, the SW480 cell line. The cytotoxic effects of heat-killed yeast (HKY) and 5-fluorouracil (5-FU, as a positive control drug) were assayed using the MTT method. Morphological changes followed by apoptosis were examined using DAPI staining. The transcription and translation level of apoptosis genes were explored with qRT-PCR and western blotting. The data were analyzed using GraphPad Prism V6.0 Software. The results showed that HKY could induce apoptosis in colon cancer cell line through downregulation of p-Akt1, Rel A, Bcl-XL, pro-caspase 3, and pro-caspase 9 expressions, and upregulation of BAX, cleaved caspase-3, and cleaved caspase-9. Besides, Akt protein expression was not affected. It is noticeable that HKY had a better modulating effect on BAX expression compared with 5-FU. It was able to modulate Akt/NF-kB signaling pathway followed by the apoptotic cascade.
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Affiliation(s)
- Sara Shamekhi
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jalal Abdolalizadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Faculty of Pharmacy, Department of Pharmaceutical Biotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Ostadrahimi
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyyed Abolghasem Mohammadi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Plant Breeding and Biotechnology, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Abolfazl Barzegari
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hajie Lotfi
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Esat Bonabi
- Department of Medical Microbiology, Faculty of Medicine, Istanbul Aydin University, Istanbul, Turkey
| | - Nosratollah Zarghami
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
- Department of Clinical Biochemistry and Laboratory Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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Waziri A, Bharti C, Aslam M, Jamil P, Mirza A, Javed MN, Pottoo U, Ahmadi A, Alam MS. Probiotics for the Chemoprotective Role Against the Toxic Effect of Cancer Chemotherapy. Anticancer Agents Med Chem 2021; 22:654-667. [PMID: 33992067 DOI: 10.2174/1871520621666210514000615] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 11/10/2020] [Accepted: 01/05/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND The processes of chemo- and radiation therapy-based clinical management of different types of cancers are associated with toxicity and side effects of chemotherapeutic agents. So, there is always an unmet need to explore agents to reduce such risk factors. Among these, natural products have generated much attention because of their potent antioxidant and antitumor effects. In the past, some breakthrough outcomes established that various bacteria in the human intestinal gut are bearing growth-promoting attributes and suppressing the conversion of pro-carcinogens into carcinogens. Hence, probiotics integrated approaches are nowadays being explored as rationalized therapeutics in the clinical management of cancer. METHODS Here, published literature was explored to review chemoprotective roles of probiotics against toxic and side effects of chemotherapeutics. RESULTS Apart from excellent anti-cancer abilities, probiotics are bearing and alleviate toxicity and side effects of chemotherapeutics, with a high degree of safety and efficiency. CONCLUSION Preclinical and clinical evidence suggested that due to the chemoprotective roles of probiotics against side effects and toxicity of chemotherapeutics, their integration in chemotherapy would be a judicious approach.
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Affiliation(s)
- Aafrin Waziri
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, Delhi, India
| | - Charu Bharti
- School of medical and Allied Sciences, K R Mangalam University, Haryana, India
| | - Mohammed Aslam
- Faculty of Pharmacy, AL Hawash Private University, Homs, Serbia
| | - Parween Jamil
- Faculty of Dentistry, Jamia Millia Islamia, New Delhi, India
| | - Aamir Mirza
- Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
| | | | - Uzma Pottoo
- Department of Food Science & Technology, School of Applied Sciences & Technology, University of Kashmir, JK, India
| | - Amirhossein Ahmadi
- Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Md Sabir Alam
- School of medical and Allied Sciences, K R Mangalam University, Haryana, India
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25
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The Role of Probiotics in Cancer Prevention. Cancers (Basel) 2020; 13:cancers13010020. [PMID: 33374549 PMCID: PMC7793079 DOI: 10.3390/cancers13010020] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/17/2020] [Accepted: 12/21/2020] [Indexed: 12/23/2022] Open
Abstract
Simple Summary Cancer is considered one of the leading causes of human mortality in the world and is the subject of much research. The risk of developing cancer depends on genetic factors, as well as the body’s immune status. The intestinal microbiome plays very important role in maintaining homeostasis in the human body. Probiotics have gained increasing medical significance due to the beneficial effect on the human body associated with the prevention and support of the treatment of many chronic diseases, including cancer in the absence of side effects. The aim of this review was to summarize the knowledge about the effect of probiotic microorganisms in the prevention of cancer. There is a lot of evidence that the use of probiotics can play an important role in cancer prevention and support anti-cancer therapies. Abstract The gut microbiome can play important role in maintaining homeostasis in the human body. An imbalance in the gut microbiome can lead to pro-inflammatory immune responses and the initiation of disease processes, including cancer. The research results prove some strains of probiotics by modulating intestinal microbiota and immune response can be used for cancer prevention or/and as adjuvant treatment during anticancer chemotherapy. This review presents the latest advances in research into the effectiveness of probiotics in the prevention and treatment support of cancer. The described issues concern to the anticancer activity of probiotic microorganisms and their metabolites. In addition, we described the potential mechanisms of probiotic chemoprevention and the advisability of using probiotics.
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26
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Rosa LS, Santos ML, Abreu JP, Balthazar CF, Rocha RS, Silva HL, Esmerino EA, Duarte MCK, Pimentel TC, Freitas MQ, Silva MC, Cruz AG, Teodoro AJ. Antiproliferative and apoptotic effects of probiotic whey dairy beverages in human prostate cell lines. Food Res Int 2020; 137:109450. [DOI: 10.1016/j.foodres.2020.109450] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 06/14/2020] [Accepted: 06/14/2020] [Indexed: 12/24/2022]
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Rahimi AM, Nabavizadeh F, Ashabi G, Halimi S, Rahimpour M, Vahedian J, Panahi M. Probiotic Lactobacillus rhamnosus Supplementation Improved Capecitabine Protective Effect against Gastric Cancer Growth in Male BALB/c Mice. Nutr Cancer 2020; 73:2089-2099. [PMID: 33955797 DOI: 10.1080/01635581.2020.1832237] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The gastric cancer (GC) is biologically and genetically heterogeneous with a poorly understood carcinogenesis at the molecular level. Herein, we studied the effects of probiotics (Lactobacillus rhamnosus) on subcutaneous implantation of xenograft GC. Moreover, the effect of probiotics (L. rhamnosus) was compared with the capecitabine drug as known used drug against GC. Human GC tissue was obtained from patients with gastric adenocarcinoma and grafted into mice armpit. Probiotic (L. rhamnosus) was given to animals by gavage 2 weeks prior to GC and 4 weeks after GC induction. Also, capecitabine was orally added through feeding tube at the last week of treatment procedure. All grafted animals received cyclosporine a day before the surgery and during the study period to prevent graft rejection. Capecitabine-probiotic complex reduced the size of the axillary implanted GC when compared with control group. Furthermore, combination of capecitabine and probiotic increased apoptotic and necrotic responses in the grafted tumor, blood cells (red blood cells, white blood cells, and platelet counts) in comparison with capecitabine. Probiotic (L. rhamnosus) administration effectively improved the therapeutic index and outcomes, and also, improved the therapeutic effects of the capecitabine.
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Affiliation(s)
- Ahmad Mustafa Rahimi
- Department of Physiology, Medical school, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Nabavizadeh
- Department of Physiology, Medical school, Tehran University of Medical Sciences, Tehran, Iran.,Electrophysiology Research Center, Neurosciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ghorbangol Ashabi
- Department of Physiology, Medical school, Tehran University of Medical Sciences, Tehran, Iran.,Electrophysiology Research Center, Neurosciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahnaz Halimi
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Milad Rahimpour
- Department of Physiology, Medical school, Tehran University of Medical Sciences, Tehran, Iran
| | - Jalal Vahedian
- Department of Surgery, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Mahshid Panahi
- Department of Pathology, Firoozgar Hospital, Iran University of Medical Sciences, Tehran, Iran
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28
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Khan AA, Nema V, Khan Z. Current status of probiotics for prevention and management of gastrointestinal cancers. Expert Opin Biol Ther 2020; 21:413-422. [PMID: 33034210 DOI: 10.1080/14712598.2021.1828858] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
INTRODUCTION Gastrointestinal cancers contribute to a significant number of cancer- associated mortality. The gastrointestinal tract harbors a multitude of microorganisms, known as the microbiota. Recently, the microbiota is considered to be an accessory organ resulting in several health benefits. The microbiota is involved in almost all aspects of an individual ranging from managing behavior to controlling metabolism, immune status and the response to a disease. Researchers are observing the modulation of microbiota in almost every disease, including cancer. Probiotics are microorganisms that can help to alter the host microbiota toward a healthy state thus providing benefits from many diseases including cancer. AREAS COVERED We explored the current status of the use of probiotics in cancer patients. Although probiotic bacteria can provide significant benefits to individuals suffering from cancer, the number of cancer-specific clinical products containing probiotics is not comparable to research studies showing their benefits. The lack of available products is due to several factors including a lack of risk assessment data of beneficial probiotics in cancer patients. EXPERT OPINION Laboratory investigations indicate a huge potential of probiotics for the prevention and management of gastrointestinal cancer, but more clinical studies are required to support their application in clinical settings.
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Affiliation(s)
- Abdul Arif Khan
- Division of Microbiology, Indian Council of Medical Research-National AIDS Research Institute, Pune, Maharashtra, India
| | - Vijay Nema
- Division of Molecular Biology, Indian Council of Medical Research-National AIDS Research Institute, Pune, Maharashtra, India
| | - Zakir Khan
- Department of Biomedical Sciences, Pathology and Laboratory Medicine, Cedars- Sinai Medical Centre, Los Angeles, USA
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29
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Isazadeh A, Hajazimian S, Shadman B, Safaei S, Babazadeh Bedoustani A, Chavoshi R, Shanehbandi D, Mashayekhi M, Nahaei M, Baradaran B. Anti-Cancer Effects of Probiotic Lactobacillus acidophilus for Colorectal Cancer Cell Line Caco-2 through Apoptosis Induction. PHARMACEUTICAL SCIENCES 2020. [DOI: 10.34172/ps.2020.52] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background: Colorectal cancer is one of the most common cancers worldwide. Probiotics are useful and non-pathogenic microorganisms in the gastrointestinal tract, which can show anticancer activity through the induction of apoptosis. This study aimed to evaluate the antiproliferative effects of Lactobacillus acidophilus probiotic on the Caco-2 colorectal cancer cell line. Methods: The supernatant (secreted metabolites) and bacterial extract of L. acidophilus probiotics were prepared and used as an anti-proliferative agent on the colorectal cancer cell line, Caco-2 in vitro. The effects of supernatant and extract of L. acidophilus were evaluated on the viability and proliferation of cancer cells using MTT assay. Moreover, morphological alterations of cancer cells treated with supernatant and extract of L. acidophilus were evaluated by an inverted phase contrast microscope. The mRNA expression levels of apoptosis-related genes (SURVIVIN and SMAC) in treated cancer cells and untreated controls were evaluated using the Real-Time PCR method. Results: The results showed that the supernatant and extract of L. acidophilus inhibited the viability and proliferation of cancer cells in a dose and time-dependent manner. Moreover, various morphological alterations were observed in the treated cancer cells, which are indicators of apoptosis induction. The mRNA expression of SURVIVIN and SMAC genes were significantly up-regulated and downregulated in the treated cancer cells, respectively. Conclusion: The results of the present study suggested that the supernatant and extract of L.acidophilus could inhibit the viability and proliferation of colorectal cancer cell line, Caco-2through induction of apoptosis, increase the survival rate of colon cancer patients.
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Affiliation(s)
- Alireza Isazadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Genetics, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Saba Hajazimian
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behrouz Shadman
- Department of Medical Biology, Faculty of Medicine, Ege University, Izmir, Turkey
| | - Sahar Safaei
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Reza Chavoshi
- Department of Genetics, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Dariush Shanehbandi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mohammadreza Nahaei
- Department of Microbiology and Laboratory Sciences, School of Medicine, Tabriz Branch, Islamic Azad University, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
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30
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Pourramezan Z, Oloomi M, Kasra-Kermanshahi R. Antioxidant and Anticancer Activities of Lactobacillus Hilgardii Strain AG12a. Int J Prev Med 2020; 11:132. [PMID: 33088460 PMCID: PMC7554445 DOI: 10.4103/ijpvm.ijpvm_307_19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 04/16/2020] [Indexed: 12/13/2022] Open
Abstract
Background It has been proven that probiotic Lactobacillus bacteria have inhibitory effects on human cancer cell lines. The aim of this study is to isolate and characterize the antioxidant probiotic Lactobacillus and determine the possible anticancer activities of the selected strain. Methods One of the Lactobacillus strain isolated from camel doogh sample showed the high antioxidant activity by using of different methods such as resistance to hydrogen peroxide, hydroxyl radical and superoxide anions. The antioxidant strain was characterized by sequencing of 16S rRNA V2-V3 regions and the 16S-23S intergenic spacer (ITS). The methanol extract of this strain supernatant was fractionated using thin layer chromatography (TLC) and antioxidant activity of fractions was detected by 0.1% of DPPH through TLC-DPPH bioautography. In vitro anticancer activity of each fraction was investigated by using MTT and flow cytometry methods. Results According to the phylogenetic results, the antioxidant Lactobacillus strain was closely related to Lactobacillus hilgardii strain E91 (Accession No. EF536365). After fractionation and anti-proliferation assessments of Lactobacillus hilgardii strain AG12a extracellular materials, one of the antioxidant fraction (F4) showed maximum DPPH radical scavenging activity (IC50 of 535.27 μg/mL). MTT assay of the F4 fraction demonstrated cytotoxic activity against Caco-2 with the IC50 value of 299.05 μg/mL. The cell death activity of the fraction was confirmed by flow cytometry with 30.925. Conclusions In this study, the anticancer and apoptotic properties of Lactobacillus hilgardii against Caco-2 cell line was reported for the first time. The isolated bioactive fraction from the extracellular methanol extract needs to be further investigated in human studies of cancer therapy.
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Affiliation(s)
- Zahra Pourramezan
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
| | - Mana Oloomi
- Department of Molecular Biology, Pasteur Institute of Iran, Tehran, Iran
| | - Rouha Kasra-Kermanshahi
- Department of Microbiology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
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Rad AH, Aghebati-Maleki L, Kafil HS, Abbasi A. Molecular mechanisms of postbiotics in colorectal cancer prevention and treatment. Crit Rev Food Sci Nutr 2020; 61:1787-1803. [PMID: 32410512 DOI: 10.1080/10408398.2020.1765310] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The occurrence of colorectal cancer (CRC) has been rising expeditiously and anticipated that 2.4 million new occasions of CRC will be detected yearly around the world until the year 2035. Due to some side-effects and complications of conventional CRC therapies, bioactive components such as microbial-derived biomolecules (postbiotics) have been attaining great significance by researchers for adjuvant therapy in CRC patients. The term 'postbiotics' encompasses an extensive range of complex micro- and macro-molecules (<50, 50-100, and 100< kDa) such as inactivated microbial cells, cell fractions or metabolites, which confer various physiological health benefits to the host when administered in adequate amounts. Postbiotics modulate the composition of the gut microbiota and the functionality of the immune system, as well as promote the CRC treatment effectiveness and reduces its side-effects in CRC patients due to possessing anti-oxidant, anti-proliferative, anti-inflammatory, and anti-cancer activities. Presently scientific literature confirms that postbiotics with their unique characteristics in terms of clinical (safe origin), technological (stability), and economic (low production costs) aspects can be used as promising tools for both prevent and adjuvant treat strategies in CRC patients without any serious undesirable side-effects. This review provides an overview of the concept and safety issues regarding postbiotics, with emphasis on their biological role in the prevention and treatment of CRC.
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Affiliation(s)
- Aziz Homayouni Rad
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Hossein Samadi Kafil
- Drug Applied Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amin Abbasi
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student's research committee, Faculty of Nutrition and Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
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32
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Pourmollaei S, Barzegari A, Farshbaf-Khalili A, Nouri M, Fattahi A, Shahnazi M, Dittrich R. Anticancer effect of bacteria on cervical cancer: Molecular aspects and therapeutic implications. Life Sci 2020; 246:117413. [PMID: 32035929 DOI: 10.1016/j.lfs.2020.117413] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 01/27/2020] [Accepted: 02/04/2020] [Indexed: 12/21/2022]
Abstract
Cervical cancer is the second common cancer and the third leading cause of cancer deaths among women in less developed countries. It has been indicated that changes in vaginal microbiome play an important role in the occurrence and development of cervical cancer. However, studies have shown that probiotics play an effective role in fighting cancer by affecting pathogenic bacteria, inducing cancer cells apoptosis, and other anticancer activities. Therefore, the purpose of the present study is reviewing the anticancer effect of cervicovaginal bacteria and their potential for cervical cancer treatment.
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Affiliation(s)
- Soraya Pourmollaei
- Department of Midwifery, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran; Students' Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolfazl Barzegari
- Research Center of Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Azizeh Farshbaf-Khalili
- Physical Medicine and Rehabilitation Research Centre, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Nouri
- Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Fattahi
- Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Obstetrics and Gynecology, Erlangen University Hospital, Friedrich-Alexander-Universität of Erlangen-Nürnberg, Germany.
| | - Mahnaz Shahnazi
- Department of Midwifery, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Ralf Dittrich
- Department of Obstetrics and Gynecology, Erlangen University Hospital, Friedrich-Alexander-Universität of Erlangen-Nürnberg, Germany
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33
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Reis SAD, da Conceição LL, Peluzio MDCG. Intestinal microbiota and colorectal cancer: changes in the intestinal microenvironment and their relation to the disease. J Med Microbiol 2019; 68:1391-1407. [PMID: 31424382 DOI: 10.1099/jmm.0.001049] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Tools that predict the risk of colorectal cancer are important for early diagnosis, given the high mortality rate for this cancer. The composition of the intestinal microbiota is now considered to be a risk factor for the development of colorectal cancer. This discovery has motivated a growing number of studies to identify the micro-organisms responsible for the onset and/or progression of colorectal cancer. With this in mind, this review discusses the relationship between the composition of the intestinal microbiota and colorectal cancer risk. Prospective and case-control studies indicate that the intestinal microbiota of individuals with colorectal cancer usually contains a greater proportion of bacteria responsible for gastrointestinal tract inflammatory diseases, as well as bacteria that produce toxins and carcinogenic metabolites. In contrast, there tends to be a reduced presence of butyric acid-producing bacteria, probiotic bacteria and potentially probiotic bacteria. Despite these differences, the onset and development of colorectal cancer cannot be attributed to a specific micro-organism. Thus, studies focused on the formation of the intestinal microbiota and factors that modulate its composition are important for the development of approaches for colorectal cancer prevention.
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Affiliation(s)
- Sandra Aparecida Dos Reis
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
| | - Lisiane Lopes da Conceição
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil
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34
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Daud N‘A, Sarbini SR, Babji AS, Mohamad Yusop S, Lim SJ. Characterization of edible swiftlet’s nest as a prebiotic ingredient using a simulated colon model. ANN MICROBIOL 2019. [DOI: 10.1007/s13213-019-01507-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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35
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Tukenmez U, Aktas B, Aslim B, Yavuz S. The relationship between the structural characteristics of lactobacilli-EPS and its ability to induce apoptosis in colon cancer cells in vitro. Sci Rep 2019; 9:8268. [PMID: 31164685 PMCID: PMC6547643 DOI: 10.1038/s41598-019-44753-8] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 02/28/2019] [Indexed: 12/24/2022] Open
Abstract
Colon cancer is one of the most common cancer around the world. Exopolysaccharides (EPSs) produced by lactobacilli as potential prebiotics have been found to have an anti-tumor effect. In this study, lyophilized EPSs of four Lactobacillus spp. for their impact on apoptosis in colon cancer cells (HT-29) was evaluated using flow cytometry. The relationship between capability of a lactobacilli-EPS to induce apoptosis and their monosaccharide composition, molecular weight (MW), and linkage type was investigated by HPLC, SEC, and NMR, respectively. Changes in apoptotic-markers were examined by qPCR and Western Blotting. EPSs were capable of inhibiting proliferation in a time-dependent manner and induced apoptosis via increasing the expression of Bax, Caspase 3 and 9 while decreasing Bcl-2 and Survivin. All EPSs contained mannose, glucose, and N-acetylglucosamine with different relative proportions. Some contained arabinose or fructose. MW ranged from 102-104Da with two or three fractions. EPS of L. delbrueckii ssp. bulgaricus B3 having the highest amount of mannose and the lowest amount of glucose, showed the highest apoptosis induction. In conclusion, lactobacilli-EPSs inhibit cell proliferation in HT-29 via apoptosis. Results suggest that a relationship exists between the ability of EPS to induce apoptosis and its mannose and glucose composition.
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Affiliation(s)
| | - Busra Aktas
- Faculty of Arts and Science, Department of Molecular Biology and Genetics, Burdur Mehmet Akif Ersoy University, Burdur, Turkey.
| | - Belma Aslim
- Faculty of Science, Department of Biology, Gazi University, Ankara, Turkey
| | - Serkan Yavuz
- Faculty of Science, Department of Chemistry, Gazi University, Ankara, Turkey
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36
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Karimi Ardestani S, Tafvizi F, Tajabadi Ebrahimi M. Heat-killed probiotic bacteria induce apoptosis of HT-29 human colon adenocarcinoma cell line via the regulation of Bax/Bcl2 and caspases pathway. Hum Exp Toxicol 2019; 38:1069-1081. [PMID: 31117840 DOI: 10.1177/0960327119851255] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Apoptosis induction in cancer cells is one of the most efficient ways to treat cancer and find anticancer compounds. The aim of this study was to evaluate the cytotoxic effects of heat-killed indigenous probiotic bacteria and apoptosis induction in the HT-29 human colon adenocarcinoma cell line. The growth-inhibitory effects of probiotic heat-killed Lactobacillus brevis and Lactobacillus paracasei isolated from the traditional Iranian food "Terxine" on the HT-29 cell line were determined by 3-(4,5-dimethylthiazolyl-2)-2, 5-diphenyltetrazolium bromide (MTT) assay. Flow cytometry by Annexin-FITC kit, DNA fragmentation assay, 4,6-diamidino-2-phenylindole staining, and the expression of Bax, Bcl2, caspase-3, and caspase-9 were used to analyze apoptosis. MTT results demonstrated that the heat-killed bacteria inhibited the proliferation of HT-29 cells and induced apoptosis in a time-, dose-, and strain-dependent manner. The results demonstrated that both bacteria could induce apoptosis in the HT-29 cell line. Heat-killed probiotic bacteria increased the expression of Bax, caspase-3, and caspase-9 mRNA levels in HT-29 cell lines. Also, heat-killed probiotic bacteria reduced the expression of Bcl2 in HT-29 cells. The heat-killed probiotic bacteria in this study exhibited potent growth inhibitory effects on cancer cells. The results demonstrated that L. brevis has a greater ability to inhibit the growth of HT-29 cells and induce apoptosis, compared with L. paracasei. It is proposed that these bacteria can be used as biological products for the treatment and prevention of cancer, pending further investigation.
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Affiliation(s)
- S Karimi Ardestani
- 1 Department of Biology, Parand Branch, Islamic Azad University, Parand, Iran
| | - F Tafvizi
- 1 Department of Biology, Parand Branch, Islamic Azad University, Parand, Iran
| | - M Tajabadi Ebrahimi
- 2 Department of Biology, Central Tehran Branch, Islamic Azad University, Tehran, Iran
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Probiotic Bacteria: A Promising Tool in Cancer Prevention and Therapy. Curr Microbiol 2019; 76:939-949. [PMID: 30949803 PMCID: PMC6586914 DOI: 10.1007/s00284-019-01679-8] [Citation(s) in RCA: 155] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 03/26/2019] [Indexed: 12/11/2022]
Abstract
Gut microbiota is widely considered to be one of the most important components to maintain balanced homeostasis. Looking forward, probiotic bacteria have been shown to play a significant role in immunomodulation and display antitumour properties. Bacterial strains could be responsible for detection and degradation of potential carcinogens and production of short-chain fatty acids, which affect cell death and proliferation and are known as signaling molecules in the immune system. Lactic acid bacteria present in the gut has been shown to have a role in regression of carcinogenesis due to their influence on immunomodulation, which can stand as a proof of interaction between bacterial metabolites and immune and epithelial cells. Probiotic bacteria have the ability to both increase and decrease the production of anti-inflammatory cytokines which play an important role in prevention of carcinogenesis. They are also capable of activating phagocytes in order to eliminate early-stage cancer cells. Application of heat-killed probiotic bacteria coupled with radiation had a positive influence on enhancing immunological recognition of cancer cells. In the absence of active microbiota, murine immunity to carcinogens has been decreased. There are numerous cohort studies showing the correlation between ingestion of dairy products and the risk of colon and colorectal cancer. An idea of using probiotic bacteria as vectors to administer drugs has emerged lately as several papers presenting successful results have been revealed. Within the next few years, probiotic bacteria as well as gut microbiota are likely to become an important component in cancer prevention and treatment.
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Lin P, Li S, Lin H, Shih C. Germinated brown rice combined with Lactobacillus acidophilus and Bifidobacterium animalis subsp. lactis inhibits colorectal carcinogenesis in rats. Food Sci Nutr 2019; 7:216-224. [PMID: 30680175 PMCID: PMC6341155 DOI: 10.1002/fsn3.864] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 10/04/2018] [Accepted: 10/06/2018] [Indexed: 12/13/2022] Open
Abstract
Colorectal cancer is a common cancer strongly associated with diet. Certain probiotics and prebiotics possess an inhibitory activity against colorectal cancer, while synbiotics may be more effective in preventing this cancer than either prebiotics or probiotics alone. Germinated brown rice (GBR) is considered as a candidate prebiotics with anticancer potential. However, the effect of GBR combined with probiotics on colorectal cancer is not clear. The present study investigated the preventive effect of combination of GBR and Lactobacillus acidophilus, Bifidobacterium animalis subsp. lactis, or both on colorectal carcinogenesis and the possible mechanism in rats treated with 1,2-dimethylhydrazine (DMH) and dextran sulfate sodium (DSS). DMH/DSS treatment induced preneoplastic aberrant crypt foci (ACF) and mucin-depleted foci (MDF), reduced superoxide dismutase (SOD) activity, increased anti-apoptotic Bcl-2 expression, and decreased the expression of pro-apoptotic p53, Bax, and caspase-3 in the colon. Germinated brown rice alone or combined with probiotics inhibited the formation of MDF in the middle colon, enhanced the colonic expression of p53 and Bax, and increased the ratio of Bax/Bcl-2. Combined treatment of GBR and probiotics inhibited the formation of ACF-producing sialomucin (SIM-ACF) and recovered the activity of SOD in the colon. Combination of GBR and L. acidophilus further increased caspase-3 expression and decreased Bcl-2 expression. These findings suggest that GBR combined with L. acidophilus and/or B. animalis subsp. lactis may inhibit colorectal carcinogenesis by enhancing antioxidative capacity and inducing apoptosis. This synbiotics may be a potential functional food or chemopreventive agent for controlling colorectal cancer.
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Affiliation(s)
- Pao‐Ying Lin
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineTaipei Medical University HospitalTaipeiTaiwan
- Division of Gastroenterology and HepatologyDepartment of Internal MedicineSchool of MedicineCollege of MedicineTaipei Medical UniversityTaipeiTaiwan
| | - Sing‐Chung Li
- School of Nutrition and Health SciencesCollege of NutritionTaipei Medical UniversityTaipeiTaiwan
| | - Hui‐Pu Lin
- School of Nutrition and Health SciencesCollege of NutritionTaipei Medical UniversityTaipeiTaiwan
| | - Chun‐Kuang Shih
- School of Nutrition and Health SciencesCollege of NutritionTaipei Medical UniversityTaipeiTaiwan
- School of Food SafetyCollege of NutritionTaipei Medical UniversityTaipeiTaiwan
- Master Program in Food SafetyCollege of NutritionTaipei Medical UniversityTaipeiTaiwan
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Nowak A, Paliwoda A, Błasiak J. Anti-proliferative, pro-apoptotic and anti-oxidative activity of Lactobacillus and Bifidobacterium strains: A review of mechanisms and therapeutic perspectives. Crit Rev Food Sci Nutr 2018; 59:3456-3467. [PMID: 30010390 DOI: 10.1080/10408398.2018.1494539] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Lactobacillus and Bifidobacterium strains, their isolated constituents and substances that they secrete exert various anti-cancer actions, resulting from their anti-proliferative, pro-apoptotic and anti-oxidant properties. They can express and secrete anti-oxidant enzymes, bind reactive oxygen species, release small molecular weight anti-oxidants and chelate transition metals, preventing detrimental actions of many carcinogens. Lactobacillus and Bifidobacterium can interact with proteins regulating the cell cycle inhibiting proliferation of cancer cells, which often are intrinsically resistant to apoptosis. Lactobacilli and bifidobacteria can break this resistance through activation of pro-caspases and downregulation of the anti-apoptotic Bcl-2 and upregulation of pro-apoptotic Bax proteins. Anti-cancer effects of these bacteria can be also associated with their multi-pathways action in the microbiota. However, exact mechanism of their anti-cancer action is poorly known and needs further studies, which are justified by the important role of these bacteria in cancer biology as well as their potential preventive and therapeutic use.
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Affiliation(s)
- Adriana Nowak
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Lodz, Poland
| | - Anna Paliwoda
- Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Lodz, Poland
| | - Janusz Błasiak
- Department of Molecular Genetics, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
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Thilakarathna WPDW, Langille MGI, Rupasinghe HPV. Polyphenol-based prebiotics and synbiotics: potential for cancer chemoprevention. Curr Opin Food Sci 2018. [DOI: 10.1016/j.cofs.2018.02.011] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Madempudi RS, Kalle AM. Antiproliferative Effects ofBacillus coagulansUnique IS2 in Colon Cancer Cells. Nutr Cancer 2017; 69:1062-1068. [DOI: 10.1080/01635581.2017.1359317] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
| | - Arunasree M. Kalle
- Department of Animal Biology, School of Life Sciences, University of Hyderabad, Hyderabad, India
- UICC-ACSBI Visiting Scholar, Department of Environmental Health Sciences, Laboratory of Human Environmental Epigenomes, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
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Abstract
The human gut microbiome modulates many host processes, including metabolism, inflammation, and immune and cellular responses. It is becoming increasingly apparent that the microbiome can also influence the development of cancer. In preclinical models, the host response to cancer treatment has been improved by modulating the gut microbiome; this is known to have an altered composition in many diseases, including cancer. In addition, cancer treatment with microbial agents or their products has the potential to shrink tumours. However, the microbiome could also negatively influence cancer prognosis through the production of potentially oncogenic toxins and metabolites by bacteria. Thus, future antineoplastic treatments could combine the modulation of the microbiome and its products with immunotherapeutics and more conventional approaches that directly target malignant cells.
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Dos Reis SA, da Conceição LL, Siqueira NP, Rosa DD, da Silva LL, Peluzio MDCG. Review of the mechanisms of probiotic actions in the prevention of colorectal cancer. Nutr Res 2016; 37:1-19. [PMID: 28215310 DOI: 10.1016/j.nutres.2016.11.009] [Citation(s) in RCA: 110] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 11/16/2016] [Accepted: 11/18/2016] [Indexed: 12/16/2022]
Abstract
The purpose of this review is to discuss the potential mechanisms of probiotics action in colorectal cancer prevention. In this regard, the composition of the intestinal microbiota is considered as an important risk factor in the development of colorectal cancer, and probiotics are able to positively modulate the composition of this microbiota. Studies have shown that the regular consumption of probiotics could prevent the development of colorectal cancer. In this respect, in vitro and experimental studies suggest some potential mechanisms responsible for this anticarcinogenic action. The mechanisms include modification of the intestinal microbiota composition, changes in metabolic activity of the microbiota, binding and degradation of carcinogenic compounds present in the intestinal lumen, production of compounds with anticarcinogenic activity, immunomodulation, improvement of the intestinal barrier, changes in host physiology, inhibition of cell proliferation, and induction of apoptosis in cancer cells. In contrast, very few reports demonstrate adverse effects of probiotic oral supplementation. In light of the present evidence, more specific studies are needed on probiotic bacteria, especially regarding the identification of the bacterial strains with greater anticarcinogenic potential; the verification of the viability of these strains after passing through the gastrointestinal tract; the investigation of potential adverse effects in immunocompromised individuals; and finally establishing the dosage and frequency of use.
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Affiliation(s)
- Sandra A Dos Reis
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Lisiane L da Conceição
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Nathane P Siqueira
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Damiana D Rosa
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Letícia L da Silva
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
| | - Maria do Carmo G Peluzio
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, 36570-900, Brazil.
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Mladineo I, Bušelić I, Hrabar J, Radonić I, Vrbatović A, Jozić S, Trumbić Ž. Autochthonous Bacterial Isolates Successfully Stimulate In vitro Peripheral Blood Leukocytes of the European Sea Bass (Dicentrarchus labrax). Front Microbiol 2016; 7:1244. [PMID: 27551281 PMCID: PMC4976100 DOI: 10.3389/fmicb.2016.01244] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Accepted: 07/26/2016] [Indexed: 11/20/2022] Open
Abstract
Commercially available probiotics are routinely administered as feed supplements in aquaculture important species. Among them, the European sea bass (Dicentrarchus labrax) is the most widely reared fish in the Mediterranean, whose rearing systems are highly variable between countries, affecting at some level the sustainability of production. After random isolation of autochthonous gut bacteria of the sea bass, their identification and pathogenicity testing, we have selected three potentially probiotic isolates; Pseudoalteromonas sp., Alteromonas sp., and Enterovibrio coralii. Selected isolates were tested and their immunostimulative efficiency was compared with a commercially available Lactobacillus casei isolate, inferring inflammatory, apoptotic and anti-pathogen response of sea bass’ peripheral blood leukocytes. Phagocytic activity, respiratory burst, and expression of lysozyme, Mx protein, caspase 3, TNF-α, IL-10 genes was measured 1, 3, 5, and 12 h post-stimulation by four bacterial isolates to evaluate early kinetics of the responses. Best immunostimulative properties were observed in Pseudoalteromonas-stimulated leukocytes, followed by Alteromonas sp. and L. casei, while Enterovibrio coralii failed to induce significant stimulation. Based on such in vitro assay intestinal autochthonous bacterial isolates showed to have better immunostimulative effect in sea bass compared to aquaculture-widely used L. casei, and further steps need to engage tank and field feeding trials to evaluate long-term prophylactic suitability of the chosen isolates. A panel of biomarkers that represent pro-/anti-inflammatory, pro-/anti-apoptotic, and anti-bacteria/viral responses of the fish should be taken into consideration when evaluating the usefulness of the potential probiotic in aquaculture.
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Affiliation(s)
| | - Ivana Bušelić
- Institute of Oceanography and Fisheries Split, Croatia
| | - Jerko Hrabar
- Institute of Oceanography and Fisheries Split, Croatia
| | - Ivana Radonić
- Institute of Oceanography and Fisheries Split, Croatia
| | | | - Slaven Jozić
- Institute of Oceanography and Fisheries Split, Croatia
| | - Željka Trumbić
- Department of Marine Studies, University of Split Split, Croatia
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Zamberi NR, Abu N, Mohamed NE, Nordin N, Keong YS, Beh BK, Zakaria ZAB, Nik Abdul Rahman NMA, Alitheen NB. The Antimetastatic and Antiangiogenesis Effects of Kefir Water on Murine Breast Cancer Cells. Integr Cancer Ther 2016; 15:NP53-NP66. [PMID: 27230756 PMCID: PMC5739168 DOI: 10.1177/1534735416642862] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 02/11/2016] [Accepted: 02/19/2016] [Indexed: 12/11/2022] Open
Abstract
Background. Kefir is a unique cultured product that contains beneficial probiotics. Kefir culture from other parts of the world exhibits numerous beneficial qualities such as anti-inflammatory, immunomodulation, and anticancer effects. Nevertheless, kefir cultures from different parts of the world exert different effects because of variation in culture conditions and media. Breast cancer is the leading cancer in women, and metastasis is the major cause of death associated with breast cancer. The antimetastatic and antiangiogenic effects of kefir water made from kefir grains cultured in Malaysia were studied in 4T1 breast cancer cells. Methods. 4T1 cancer cells were treated with kefir water in vitro to assess its antimigration and anti-invasion effects. BALB/c mice were injected with 4T1 cancer cells and treated orally with kefir water for 28 days. Results. Kefir water was cytotoxic toward 4T1 cells at IC50 (half-maximal inhibitory concentration) of 12.5 and 8.33 mg/mL for 48 and 72 hours, respectively. A significant reduction in tumor size and weight (0.9132 ± 0.219 g) and a substantial increase in helper T cells (5-fold) and cytotoxic T cells (7-fold) were observed in the kefir water–treated group. Proinflammatory and proangiogenic markers were significantly reduced in the kefir water–treated group. Conclusions. Kefir water inhibited tumor proliferation in vitro and in vivo mainly through cancer cell apoptosis, immunomodulation by stimulating T helper cells and cytotoxic T cells, and anti-inflammatory, antimetastatic, and antiangiogenesis effects. This study brought out the potential of the probiotic beverage kefir water in cancer treatment.
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Affiliation(s)
| | - Nadiah Abu
- Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | | | | | | | - Boon Kee Beh
- Universiti Putra Malaysia, Serdang, Selangor, Malaysia
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Ghoneum M, Felo N. Selective induction of apoptosis in human gastric cancer cells by Lactobacillus kefiri (PFT), a novel kefir product. Oncol Rep 2015; 34:1659-66. [PMID: 26251956 PMCID: PMC4564078 DOI: 10.3892/or.2015.4180] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Accepted: 07/10/2015] [Indexed: 12/28/2022] Open
Abstract
The present study was undertaken to evaluate the effect of Lactobacillus kefiri (PFT), a novel kefir product, on apoptosis of gastric cancer cells (AGS), breast cancer cells (4T1), and human peripheral blood mononuclear cells (PBMCs). Cells were cultured with PFT and apoptosis was determined by flow cytometry using 7-AAD dye and cytospin preparation. Mitochondrial dysfunction and expression of Bcl2 were monitored by flow cytometry. Results showed that PFT induced apoptosis in AGS gastric cancer cells in a dose-dependent manner. Apoptosis was detected at a concentration of 0.3 mg/ml (20.8%), increased to 25.8% at 0.6 mg/ml, 37% at 1.2 mg/ml, 53.1% at 2.5 mg/ml, and peaked at 66.3% at 5.0 mg/ml. Apoptosis is associated with the decreased polarization of mitochondrial membrane potential (MMP) and decreased Bcl2 expression. PFT-treated AGS cells manifested membrane blebbing, nuclear condensation, and fragmentation as identified in cytospin cytocentrifuge Giemsa stained preparations. On the other hand, flow cytometry analysis showed that PFT did not induce apoptosis in 4T1 breast cancer cells nor in PBMCs. These results suggest that PFT is safe for white blood cells and selectively induces apoptotic effects in gastric cancer cells. Hence, it may have potential as a therapeutic agent for the treatment of gastric cancers.
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Affiliation(s)
- Mamdooh Ghoneum
- Department of Otolaryngology, Charles R. Drew University of Medicine and Science, Los Angeles, CA 90059, USA
| | - Nouran Felo
- Department of Otolaryngology, Charles R. Drew University of Medicine and Science, Los Angeles, CA 90059, USA
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Wei C, Xun AY, Wei XX, Yao J, Wang JY, Shi RY, Yang GH, Li YX, Xu ZL, Lai MG, Zhang R, Wang LS, Zeng WS. Bifidobacteria Expressing Tumstatin Protein for Antitumor Therapy in Tumor-Bearing Mice. Technol Cancer Res Treat 2015; 15:498-508. [PMID: 25969440 DOI: 10.1177/1533034615581977] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Accepted: 11/20/2013] [Indexed: 11/15/2022] Open
Abstract
Tumstatin (Tum) is a powerful angiostatin that inhibits proliferation and induces apoptosis of tumorous vascular endothelial cells. A nonpathogenic and anaerobic bacterium, Bifidobacterium longum (BL), selectively localizes to and proliferates in the hypoxia location within solid tumor. The aims of this study were to develop a novel delivery system for Tum using engineered Bifidobacterium and to investigate the inhibitory effect of Tum on tumor in mice. A vector that enabled the expression of Tum under the control of the pBBADs promoter of BL was constructed and transformed into BL NCC2705 by electroporation. The mouse colon carcinoma cells CT26 (1 × 10(7)/mL) were subcutaneously inserted in the left armpit of BALB/c mice. The tumor-bearing mice were treated with Tum-transformed BL, and green fluorescent protein (GFP)-transformed BL was used as a negative control. The microvessel density (MVD) in the transplanted tumor was determined, and terminal deoxynucleotidyl transferase-mediated 2'-deoxyuridine 5'-triphosphate nick end labeling was used to detect apoptosis of vascular endothelial cells in transplanted tumor. The in vitro expression of Tum was examined in BL after l-arabinose induction. Bifidobacterium longum with pBBAD-Tum (BL-Tum) showed significant antitumor effect in tumor-bearing mice. The weight, volume, growth, and MVD, as well as the percentage of apoptotic vascular endothelial cells of transplanted tumors in the tumor-bearing mice treated with Tum-transformed BL were all significantly lower than those in the GFP negative control group. Intragastric administration, injection in tumor and vena caudalis injection of Tum-transformed BL exerted marked antitumor effects in tumor-bearing mice. This is the first demonstration of the utilization of Tum-transformed BL as a specific gene delivery system for treating tumor.
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Affiliation(s)
- C Wei
- Department of Gastroenteroloy, Jinan University of Medical Sciences, Shenzhen Municipal People's Hospital, Shenzhen animal genetic engineering technology research and Development Center, Shenzhen, Guangdong Province, China
| | - A Y Xun
- Department of Gastroenterology, Peking University Shenzhen Hospital, Shenzhen, Guangdong Province, China
| | - X X Wei
- Department of Infectious Diseases, Xinxiang Medical College, Xinxiang, Guangdong Province, China
| | - J Yao
- Department of Gastroenteroloy, Jinan University of Medical Sciences, Shenzhen Municipal People's Hospital, Shenzhen animal genetic engineering technology research and Development Center, Shenzhen, Guangdong Province, China
| | - J Y Wang
- Department of General Surgery, Shenzhen Children's Hospital, Shenzhen, Guangdong Province, China
| | - R Y Shi
- Department of Gastroenteroloy, Jinan University of Medical Sciences, Shenzhen Municipal People's Hospital, Shenzhen animal genetic engineering technology research and Development Center, Shenzhen, Guangdong Province, China
| | - G H Yang
- Department of Gastroenteroloy, Jinan University of Medical Sciences, Shenzhen Municipal People's Hospital, Shenzhen animal genetic engineering technology research and Development Center, Shenzhen, Guangdong Province, China
| | - Y X Li
- Department of Gastroenteroloy, Jinan University of Medical Sciences, Shenzhen Municipal People's Hospital, Shenzhen animal genetic engineering technology research and Development Center, Shenzhen, Guangdong Province, China
| | - Z L Xu
- Department of Gastroenteroloy, Jinan University of Medical Sciences, Shenzhen Municipal People's Hospital, Shenzhen animal genetic engineering technology research and Development Center, Shenzhen, Guangdong Province, China
| | - M G Lai
- Department of Gastroenteroloy, Jinan University of Medical Sciences, Shenzhen Municipal People's Hospital, Shenzhen animal genetic engineering technology research and Development Center, Shenzhen, Guangdong Province, China
| | - R Zhang
- Department of Gastroenteroloy, Jinan University of Medical Sciences, Shenzhen Municipal People's Hospital, Shenzhen animal genetic engineering technology research and Development Center, Shenzhen, Guangdong Province, China
| | - L-S Wang
- Department of Gastroenteroloy, Jinan University of Medical Sciences, Shenzhen Municipal People's Hospital, Shenzhen animal genetic engineering technology research and Development Center, Shenzhen, Guangdong Province, China
| | - W S Zeng
- Department of Cell Biology, Southern Medical University, Guangzhou, Guangdong Province, China
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Kwok LY, Wang L, Zhang J, Guo Z, Zhang H. A pilot study on the effect of Lactobacillus casei Zhang on intestinal microbiota parameters in Chinese subjects of different age. Benef Microbes 2015; 5:295-304. [PMID: 24854958 DOI: 10.3920/bm2013.0047] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Ageing of the population is an imminent global problem. Lactobacillus casei Zhang (LcZ) was isolated from Inner Mongolian fermented milk, koumiss. LcZ possesses numerous probiotic properties in in vitro tests and in animal models. However, it has never been tested in any human trial. In the current study, the impact of oral consumption of LcZ on different age groups was tested. Chinese subjects, including 10 young, 7 middle-aged and 7 elderly volunteers (with mean age of 24.3, 47.6 and 64.7, respectively), were recruited. Each subject took 10.6 log10 cfu LcZ daily for a continuous period of 28 days. Several parameters, including the amounts of LcZ and four selected groups of bacteria, change of bacterial diversity, short chain fatty acids (SCFA) and total bile acids (TBA), were monitored in faecal samples collected from the subjects before starting, during and after stopping oral LcZ consumption. The consumption of LcZ exhibited beneficial effects to the subjects by modulating faecal microbiota in a temporal manner with a prolonged elevation of SCFA and reduction of TBA. The potentially harmful Pseudomonas and Acinetobacter genera were suppressed by the probiotic administration. Furthermore, a moderately divergent response was observed in the indigenous gut populations of Bifidobacterium and Bacteroides fragilis group in different age subjects. Taken together, the current study has provided proof on the positive effect of probiotic consumption and crucial insights into the design and application of probiotic-based products to users of different age segments.
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Affiliation(s)
- L Y Kwok
- Key Laboratory of Dairy Biotechnology and Bioengineering, Education Ministry of China, Department of Food Science and Engineering, Inner Mongolia Agricultural University, 306 Zhaowuda road, 010018 Hohhot, China P.R
| | - L Wang
- Key Laboratory of Dairy Biotechnology and Bioengineering, Education Ministry of China, Department of Food Science and Engineering, Inner Mongolia Agricultural University, 306 Zhaowuda road, 010018 Hohhot, China P.R
| | - J Zhang
- Key Laboratory of Dairy Biotechnology and Bioengineering, Education Ministry of China, Department of Food Science and Engineering, Inner Mongolia Agricultural University, 306 Zhaowuda road, 010018 Hohhot, China P.R
| | - Z Guo
- Key Laboratory of Dairy Biotechnology and Bioengineering, Education Ministry of China, Department of Food Science and Engineering, Inner Mongolia Agricultural University, 306 Zhaowuda road, 010018 Hohhot, China P.R
| | - H Zhang
- Key Laboratory of Dairy Biotechnology and Bioengineering, Education Ministry of China, Department of Food Science and Engineering, Inner Mongolia Agricultural University, 306 Zhaowuda road, 010018 Hohhot, China P.R
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Tuo Y, Jiang S, Qian F, Mu G, Liu P, Guo Y, Ma C. Short communication: Antiproliferative effect of 8 different Lactobacillus strains on K562 cells. J Dairy Sci 2015; 98:106-10. [DOI: 10.3168/jds.2014-8767] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 10/05/2014] [Indexed: 02/04/2023]
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50
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Eid N, Enani S, Walton G, Corona G, Costabile A, Gibson G, Rowland I, Spencer JPE. The impact of date palm fruits and their component polyphenols, on gut microbial ecology, bacterial metabolites and colon cancer cell proliferation. J Nutr Sci 2014; 3:e46. [PMID: 26101614 PMCID: PMC4473134 DOI: 10.1017/jns.2014.16] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 01/29/2014] [Accepted: 04/02/2014] [Indexed: 02/06/2023] Open
Abstract
The fruit of the date palm (Phoenix dactylifera L.) is a rich source of dietary fibre and polyphenols. We have investigated gut bacterial changes induced by the whole date fruit extract (digested date extract; DDE) and its polyphenol-rich extract (date polyphenol extract; DPE) using faecal, pH-controlled, mixed batch cultures mimicking the distal part of the human large intestine, and utilising an array of microbial group-specific 16S rRNA oligonucleotide probes. Fluorescence microscopic enumeration indicated that there was a significant increase in the growth of bifidobacteria in response to both treatments, whilst whole dates also increased bacteroides at 24 h and the total bacterial counts at later fermentation time points when compared with DPE alone. Bacterial metabolism of whole date fruit led to the production of SCFA, with acetate significantly increasing following bacterial incubation with DDE. In addition, the production of flavonoid aglycones (myricetin, luteolin, quercetin and apigenin) and the anthocyanidin petunidin in less than 1 h was also observed. Lastly, the potential of DDE, DPE and metabolites to inhibit Caco-2 cell growth was investigated, indicating that both were capable of potentially acting as antiproliferative agents in vitro, following a 48 h exposure. This potential to inhibit growth was reduced following fermentation. Together these data suggest that consumption of date fruits may enhance colon health by increasing beneficial bacterial growth and inhibiting the proliferation of colon cancer cells. This is an early suggestion that date intake by humans may aid in the maintenance of bowel health and even the reduction of colorectal cancer development.
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Affiliation(s)
- Noura Eid
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading RG6 6AP, UK
| | - Sumia Enani
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading RG6 6AP, UK
| | - Gemma Walton
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading RG6 6AP, UK
| | - Giulia Corona
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading RG6 6AP, UK
| | - Adele Costabile
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading RG6 6AP, UK
| | - Glenn Gibson
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading RG6 6AP, UK
| | - Ian Rowland
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading RG6 6AP, UK
| | - Jeremy P. E. Spencer
- Department of Food and Nutritional Sciences, School of Chemistry, Food and Pharmacy, University of Reading, Reading RG6 6AP, UK
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