Manar A. Eissa

Dr. Manar A. Eissa


Research Focus & Metrics

Academic Career Length

3Years (2024-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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27 September 2024 in Gastrointestinal Disorders
Verified
Journal Article
Open access
PDF file
JBJelina Basnet
Jelina Basnet
MEManar A. Eissa
Manar A. Eissa
LCLicy L. Yanes Cardozo
Licy L. Yanes Cardozo
DRDamian G. Romero
Damian G. Romero
SRSamar Rezq
Samar Rezq
The gut microbiome plays a crucial role in human health by influencing various physiological functions through complex interactions with the endocrine system. These interactions involve the production of metabolites, signaling molecules, and direct communication with endocrine cells, which modulate hormone secretion and activity. As a result, the microbiome can exert neuroendocrine effects and contribute to metabolic regulation, adiposity, and appetite control. Additionally, the gut microbiome influences reproductive health by altering levels of sex hormones such as estrogen and testosterone, potentially contributing to conditions like polycystic ovary syndrome (PCOS) and hypogonadism. Given these roles, targeting the gut microbiome offers researchers and clinicians novel opportunities to improve overall health and well-being. Probiotics, such as Lactobacillus and Bifidobacterium, are live beneficial microbes that help maintain gut health by balancing the microbiota. Prebiotics, non-digestible fibers, nourish these beneficial bacteria, promoting their growth and activity. When combined, probiotics and prebiotics form synbiotics, which work synergistically to enhance the gut microbiota balance and improve metabolic, immune, and hormonal health. This integrated approach shows promising potential for managing conditions related to hormonal imbalances, though further research is needed to fully understand their specific mechanisms and therapeutic potential.

2 July 2026
Verified
Book Chapter
Closed access
PDF file
LCLicy L. Yanes Cardozo
Licy L. Yanes Cardozo
AAAhmed M. Abdelhameed
Ahmed M. Abdelhameed
MEManar A. Eissa
Manar A. Eissa
DRDamian G. Romero
Damian G. Romero