Balcı, Tuğçe Nur

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T. N. Balcı
Tuğçe Nur, Balcı
T.,Balcı
B., Tugce Nur
T., Balci
T.N.Balcı
Balcı,T.N.
Balci,T.N.
Tuğçe Nur Balcı
B.,Tuğçe Nur
B.,Tugce Nur
Balci,Tugce Nur
B., Tuğçe Nur
Balcı, Tuğçe Nur
Balci, Tugce Nur
T.N.Balci
T. N. Balci
Tugce Nur, Balci
Job Title
Araştırma Görevlisi
Email Address
tugce.balci@atilim.edu.tr
Main Affiliation
Nutrition and Dietetics
Status
Website
ORCID ID
0000-0002-0569-2486
Scopus Author ID
Turkish CoHE Profile ID
Google Scholar ID
WoS Researcher ID
JRF-3390-2023
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1

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    Article
    Citation - WoS: 0
    Citation - Scopus: 0
    Long-Term Intermittent Caloric Restriction Remodels the Gut Microbiota in Mice Genetically Prone To Breast Cancer
    (Elsevier Science inc, 2024) Keles, Nazim Arda; Dogan, Soner; Dogan, Aysenur; Sudagidan, Mert; Balci, Tugce Nur; Cetiner, Ozlem; Tuna, Bilge Guvenc; Nutrition and Dietetics
    Objectives: Gut microbiota dysbiosis is among the risk factors for breast cancer development, together with genetic background and dietary habits. However, caloric restriction has been shown to remodel the gut microbiota and slow tumor growth. Here, we investigated whether the gut microbiota mediates the preventive effects of long-term chronic or intermittent caloric restriction on breast cancer predisposition. Methods: 10-week-old transgenic breast cancer-prone mice were randomly assigned to dietary groups (ad libitum, chronic caloric restriction, and intermittent caloric restriction groups) and fed up to week 81. Stool samples were collected at weeks 10 (baseline), 17 (young), 49 (adult), and 81 (old). 16S rRNA gene sequencing was performed to identify the gut microbiota profile of the different groups. In order to investigate the breast cancer gut microbiota profile within genetically predisposed individuals regardless of diet, mammary tumor-bearing mice and mammary tumor-free but genetically prone mice were selected from the ad libitum group (n = 6). Results: Intermittent caloric restriction increased the microbial diversity of adult mice and modified age- related compositional changes. A total of 13 genera were differentially abundant over time. Pathogenic Mycoplasma was enriched in the re-feeding period of the old intermittent caloric restriction group compared with baseline. Furthermore, mammary tumor-free mice showed shared gut microbiota characteristics with mammary tumor-bearing mice, suggesting an early link between genetic predisposition, gut microbiota, and breast cancer development. Conclusions: Our study revealed the role of gut microbes in the preventive effects of caloric restriction against breast cancer development, implying the significance of diet and microbiome interplay. (c) 2024 Elsevier Inc. All rights are reserved, including those for text and data mining, AI training, and similar technologies.