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Microorganisms
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Gut Microbiota, Diet, and Gastrointestinal Cancer
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Gut Microbiota, Diet, and Gastrointestinal Cancer

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Gut Microbiota".

Deadline for manuscript submissions: 31 October 2024 | Viewed by 6901

Special Issue Editors

Dr. Marco Cintoni

E-Mail Website
Guest Editor
UOC Nutrizione Clinica, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, 00168 Roma, Italy
Interests: body composition; clinical nutrition; disease-related malnutrition; gut microbiota and diet therapy; nutrition in cancer patients; perioperative nutrition; dietetics and nutrition
Special Issues, Collections and Topics in MDPI journals
Dr. Flavio De Maio

E-Mail Website
Guest Editor
Institute of Microbiology, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
Interests: gut microbiota; intestinal microbiome

Special Issue Information

Dear Colleagues,

The link between gut microbiota (GM) and gastrointestinal neoplasms is two-way. On the one hand, GM influences the development of neoplasms through the proinflammatory modulation of the local microenvironment, on the other hand, it is influenced by the neoplastic cells themselves and by the various treatments (chemotherapy, radiotherapy, surgery, etc.) to which patients are subjected. GM is influenced by prebiotics, probiotics, and postbiotics supplementation, but the best way to modulate it is the diet pattern.

Understanding more deeply the type of relationship between nutrition, GM, and gastrointestinal cancers could lead to the development of new treatments and the improvement of supportive therapies during the oncological pathway.

I want to invite you to submit perspectives papers, original papers, narrative reviews, as well as systematic reviews, and meta-analyses about this issue.

Dr. Marco Cintoni
Dr. Flavio De Maio
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Microorganisms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • gut microbiota
  • diet
  • nutrition
  • gastrointestinal cancer
  • colorectal cancer
  • probiotics
  • prebiotics
  • postbiotics
  • radiotherapy
  • chemotherapy

Published Papers (3 papers)

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Research

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10 pages, 522 KiB  
Communication
Plasma Bacterial DNA Load as a Potential Biomarker for the Early Detection of Colorectal Cancer: A Case–Control Study
by Robertina Giacconi, Rossella Donghia, Graziana Arborea, Maria Teresa Savino, Mauro Provinciali, Fabrizia Lattanzio, Giusy Rita Caponio, Sergio Coletta, Antonia Bianco, Maria Notarnicola, Caterina Bonfiglio, Giuseppe Passarino, Patrizia D’Aquila, Dina Bellizzi and Pasqua Letizia Pesole
Microorganisms 2023, 11(9), 2360; https://doi.org/10.3390/microorganisms11092360 - 21 Sep 2023
Viewed by 1251
Abstract
The gut microbiota has gained increasing attention in recent years due to its significant impact on colorectal cancer (CRC) development and progression. The recent detection of bacterial DNA load in plasma holds promise as a potential non-invasive approach for early cancer detection. The [...] Read more.
The gut microbiota has gained increasing attention in recent years due to its significant impact on colorectal cancer (CRC) development and progression. The recent detection of bacterial DNA load in plasma holds promise as a potential non-invasive approach for early cancer detection. The aim of this study was to examine the quantity of bacterial DNA present in the plasma of 50 patients who have CRC in comparison to 40 neoplastic disease-free patients, as well as to determine if there is a correlation between the amount of plasma bacterial DNA and various clinical parameters. Plasma bacterial DNA levels were found to be elevated in the CRC group compared to the control group. As it emerged from the logistic analysis (adjusted for age and gender), these levels were strongly associated with the risk of CRC (OR = 1.02, p < 0.001, 95% C.I.: 1.01–1.03). Moreover, an association was identified between a reduction in tumor mass and the highest tertile of plasma bacterial DNA. Our findings indicate that individuals with CRC displayed a higher plasma bacterial DNA load compared to healthy controls. This observation lends support to the theory of heightened bacterial migration from the gastrointestinal tract to the bloodstream in CRC. Furthermore, our results establish a link between this phenomenon and the size of the tumor mass. Full article
(This article belongs to the Special Issue Gut Microbiota, Diet, and Gastrointestinal Cancer)
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13 pages, 2740 KiB  
Article
The Alteration of the Gut Microbiome during Ramadan Offers a Novel Perspective on Ramadan Fasting: A Pilot Study
by YoungJae Jo, GyuDae Lee, Sajjad Ahmad, HyunWoo Son, Min-Ji Kim, Amani Sliti, Seungjun Lee, Kyeongnam Kim, Sung-Eun Lee and Jae-Ho Shin
Microorganisms 2023, 11(8), 2106; https://doi.org/10.3390/microorganisms11082106 - 18 Aug 2023
Viewed by 2104
Abstract
An intermittent fasting regimen is widely perceived to lead to various beneficial health effects, including weight loss, the alleviation of insulin resistance, and the restructuring of a healthy gut microbiome. Because it shares certain commonalities with this dietary intervention, Ramadan fasting is sometimes [...] Read more.
An intermittent fasting regimen is widely perceived to lead to various beneficial health effects, including weight loss, the alleviation of insulin resistance, and the restructuring of a healthy gut microbiome. Because it shares certain commonalities with this dietary intervention, Ramadan fasting is sometimes misinterpreted as intermittent fasting, even though there are clear distinctions between these two regimens. The main purpose of this study is to verify whether Ramadan fasting drives the same beneficial effects as intermittent fasting by monitoring alterations in the gut microbiota. We conducted a study involving 20 Muslim individuals who were practicing Ramadan rituals and assessed the composition of their gut microbiomes during the 4-week period of Ramadan and the subsequent 8-week period post-Ramadan. Fecal microbiome analysis was conducted, and short-chain fatty acids (SCFAs) were assessed using liquid-chromatography–mass spectrometry. The observed decrease in the levels of SCFAs and beneficial bacteria during Ramadan, along with the increased microbial diversity post-Ramadan, suggests that the daily diet during Ramadan may not provide adequate nutrients to maintain robust gut microbiota. Additionally, the notable disparities in the functional genes detected through the metagenomic analysis and the strong correlation between Lactobacillus and SCFAs provide further support for our hypothesis. Full article
(This article belongs to the Special Issue Gut Microbiota, Diet, and Gastrointestinal Cancer)
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Other

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14 pages, 1272 KiB  
Systematic Review
Exploring the Potential of Oral Microbiome Biomarkers for Colorectal Cancer Diagnosis and Prognosis: A Systematic Review
by Roxana Loriana Negrut, Adrian Cote and Adrian Marius Maghiar
Microorganisms 2023, 11(6), 1586; https://doi.org/10.3390/microorganisms11061586 - 15 Jun 2023
Cited by 6 | Viewed by 1867
Abstract
There is growing evidence indicating that the oral microbiota, specifically certain periodontopathogens such as Fusobacterium nucleatum, may play a role in the development of colorectal cancer and that it could potentially be used as a biomarker for diagnosing colorectal cancer (CRC). The [...] Read more.
There is growing evidence indicating that the oral microbiota, specifically certain periodontopathogens such as Fusobacterium nucleatum, may play a role in the development of colorectal cancer and that it could potentially be used as a biomarker for diagnosing colorectal cancer (CRC). The question beneath this systematic review is whether the development or progression of colorectal cancer can be attributed to the presence of certain oral bacteria, which could be used for discovering non-invasive biomarkers for CRC. This review aims to give an overview of the actual status of published studies regarding the oral pathogens related to colorectal cancer and assess the effectiveness of the oral microbiome derived biomarkers. A systematic literature search was performed using four databases, Web of Science, Scopus, PubMed, and Science Direct, on the 3rd and 4th of March 2023. The studies that did not have matching inclusion/exclusion criteria were winnowed out. A total of fourteen studies were included. The risk of bias was performed by using QUADAS-2. After assessing the studies, the general conclusion is that oral microbiota-based biomarkers can become a promising non-invasive tool for detecting CRC, but further research is needed in order to determine the mechanisms of oral dysbiosis in colorectal carcinogenesis. Full article
(This article belongs to the Special Issue Gut Microbiota, Diet, and Gastrointestinal Cancer)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Friend or foe: Exploring the relationship between the gut microbiota and the pathogenesis and treatment of digestive cancers
Author: Gaspar
Highlights: This review focuses on the local role of the gut microbiota imbalance in different digestive tract organs and annexes. Microbiota modulation, either by probiotic administration or by dietary changes, seems to play an important role in the future therapies of various digestive cancers.

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