Background The most common endocrine and metabolic disorders in premenopausal women is polycystic ovary syndrome (PCOS), characterized by hyperandrogenism, chronic anovulation, and/or ultrasound evidence of small ovarian cysts. Obesity and insulin resistance are also the main factors influencing the clinical manifestations of this syndrome. Alzheimer’s disease (AD) is the most typical progressive neurodegenerative disorder of the brain, and recent studies suggest a relationship between endocrinal dysregulation and neuronal loss during AD pathology. Aim This study aimed to evaluate the common risk factors for Alzheimer’s and PCOS based on previous studies. Knowing the common risk factors and eliminating them may prevent neurodegenerative Alzheimer’s disease in the future. Method In this narrative review, international databases, including Google Scholar, Scopus, PubMed, and the Web of Science, were searched to retrieve the relevant studies. The relevant studies’ summaries were categorized to discuss the possible pathways that may explain the association between Alzheimer’s and PCOS signs/symptoms and complications. Results According to our research, the factors involved in Alzheimer’s and PCOS disorders may share some common risk factors. In patients with PCOS, increased LH to FSH ratio, decreased vitamin D, insulin resistance, and obesity are some of the most important factors that may increase the risk of Alzheimer’s disease.
Background: Infection with the Human Papillomavirus (HPV) causes cellular dysplasia, which leads to cervical cancers in women and penile or rectal cancers in men. Objective: This in silico study identified the plant compounds with potential therapeutic effects against HPV 18 oncogenic virus using the molecular docking method. Methods: The three-dimensional (3D) structure of HPV18 E6 protein, as the target protein, and the 3D structure of plant compounds with potential therapeutic effect against viruses, as ligands, was obtained from the protein databases (RCSB) and PubChem, respectively. Both structures of ligands and target protein were subjected to AutoDock tools-1.5.6, ver.4 separately. The structure with the most negative affinity was docked to reconsider its connection location. The results were analyzed more based on pharmacodynamic and pharmacokinetic parameters. Results: The docking of HPV18 E6 protein with 19 selected ligands resulted in four compounds, curcumin, silymarin, saikosaponin c, and lactupicrin, showing the best docking scores; they had better binding free energies with HPV E6 protein. Among four compounds against HPV18 E6, silymarin and curcumin were less dangerous than other compounds due to the lack of inhibition of the human Ether-à-go-go-Related Gene (hERG). Of these two compounds, silymarin had lower oral absorption, lactopicrin had less skin absorption, lactopicrin is the substrate of P-gp, and saikosaponin c crosses the blood-brain barrier. Conclusion: Among potential antiviral plants against HPV18E6, four compounds were found to be effective. According to these findings, it is recommended that in vitro and in vivo examinations be conducted to determine the effectiveness of these compounds against HPV18 Keywords: Biological products, Antiviral agents, HPV18, Molecular docking, Computational biology, E6 protein
The most common endocrine disorder among women is Polycystic ovary syndrome (PCOS), characterized by hyperandrogenism, chronic ovulation, and/or ultrasound evidence of small ovarian cysts. Obesity and insulin resistance are also the main factors influencing the clinical manifestations of this syndrome. High intakes of fat have been linked to more significant cognitive decline in old age, and due to the growing elderly population, maintaining long-term optimal cognitive function is very important. Alzheimer's disease (AD) is the most typical progressive neurodegenerative disorder of the brain, and recent studies suggest a relationship between endocrinal dysregulation and neuronal loss during AD pathology. In this narrative review, the international databases, including Google Scholar, Scopus, PubMed, and Web of Science databases, were searched for retrieving the relevant studies. According to the factors involved in Alzheimer's and PCOS, it seems that both disorders may share some common risk factors. In this study, the relevant studies' summaries were categorized to discuss the possible pathways that may explain the association between Alzheimer's and PCOS signs/symptoms and complications. Future preclinical studies are needed to investigate the exact underlining mechanisms related to PCOS and Alzheimer's association.
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