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IJBAS International Journal of Basic and Applied Sciences E-ISSN 2227-5053

Gut Microbiota Profiles in Common Non-Communicable Diseases - A Narrative Review

Abstract

Purpose: The gastrointestinal tract in humans is composed of various microorganisms including bacteria, viruses, archaea, protozoa, and fungi. The interactions between gut and the microorganisms are crucial for the processes such as digestion, nutrient absorption, immune function, and metabolic regulation. Altered gut microbiota called dysbiosis, has been linked to the development and progression of various non-communicable diseases. This review has been aimed to address the alterations of gut microbiota in various non-communicable diseases.

Methods: A thorough literature search was conducted in PubMed, Embase, Web of Science, Scopus, and Google Scholar between January 2015 and December 2024 to identify studies examining the impact of gut microbiota in metabolic diseases. The search utilized keywords such as gut microbiota, gut dysbiosis, and altered microbiota in non-communicable diseases. The studies included were full research articles and studies published in English. In this comprehensive review, we explored the complex interplay between the gut microbiota and human health, focusing on its role in common metabolic disorders such as obesity, metabolic dysfunction-associated fatty liver disease, type 2 diabetes mellitus, cardiovascular diseases, autoimmune diseases, mental disorders, and cancer. Studies involving animal models, and cell lines and reviews were excluded.

Conclusions: The altered gut microbiota is involved in the initiation and progression of various non-communicable diseases. The dysbiosis not only aggravates the disease, but also causes refractoriness to the management of the disease. Hence, it is better to identify the causes of dysbiosis to control the harmful bacteria and to bring relief to the individuals with common con-communicable diseases.

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Keywords

  • Non-Communicable Diseases
  • Gut Microbiota
  • Gut Dysbiosis
  • Type 2 Diabetes Mellitus
  • Obesity

References

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How to Cite

Sowmiya, T., Bhaskar, E., Gayathri, V., Mohanalakshmi, P., & Silambanan, S. (2026). Gut Microbiota Profiles in Common Non-Communicable Diseases - A Narrative Review. International Journal of Basic and Applied Sciences, 15(2), 46-54. https://doi.org/10.14419/cshmpj82