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Revisiting the Significance of TLRs: Current Understanding and Future Scope for Therapeutic Implications
Authors: Shiva Singh and Anuradha MishraAvailable online: 03 December 2024More LessPattern Recognition Receptors (PRRs), particularly Toll-Like Receptors (TLRs), are pivotal in the innate immune system for recognizing Pathogen-Associated Molecular Patterns (PAMPs) and initiating inflammatory responses. TLRs, characterized by their transmembrane structure, Leucine-Rich Repeat (LRR) ectodomain, and Toll/Interleukin-1 Receptor (TIR) domains, detect a diverse range of microbial and endogenous ligands through MyD88- and TRIF-dependent pathways. This engagement activates downstream signaling cascades involving key mediators such as Nuclear Factor Kappa B (NF-κB), Mitogen-Activated Protein (MAP) kinases, and Interferon Regulatory Factors (IRFs), which orchestrate pro-inflammatory cytokine production and immune responses. TLRs are not only implicated in various pathologies like multiple sclerosis, rheumatoid arthritis, and atherosclerosis but also show potential in diagnosing and preventing infectious diseases like dengue fever and periodontal disease. Recent advancements reveal their dual role as both agonists and antagonists in enhancing vaccine responses and developing novel cancer immunotherapies. This review provides a comprehensive synthesis of recent research and patents on TLRs, emphasizing novel therapeutic strategies and targeted delivery systems for biomedical applications. The future scope of TLR research is explored, with a focus on how TLR-targeted therapies could transform the management of inflammatory and immune-mediated disorders.
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In silico ADMET and Molecular Docking Studies of Natural Analogues as AKT Inhibitors
Authors: Jasmeen Kaur, Amir Raza, Rajeev Gupta, Shivam Kumar Singh, Iqubal Brar and Pankaj WadhwaAvailable online: 11 November 2024More LessBackgroundAKT inhibition presents a promising avenue for cancer treatment strategies. By exploring natural analogues using in-silico docking and ADMET profiles, this work aims to design effective anti-cancer therapies shown by binding affinities and pharmacokinetic assessments.
Aims and ObjectivesThe aim of this research paper is to utilize in-silico ADMET profiling and molecular docking studies to investigate the potential of natural analogues as inhibitors of the AKT enzyme. By leveraging computational techniques, including Molegro Virtual Docker (MVD) 6.0 and computational techniques like pkCSM, we aim to identify promising compounds with strong binding affinities to the target protein (PDB ID: 3OCB) and favorable pharmacokinetic properties. Our objectives include identifying key molecular interactions, evaluating optimal molecular weight ranges, and prioritizing compounds based on their MolDock scores for cancer treatment. Through this approach, our goal is to contribute to the design and development of effective anti-cancer therapies targeting the AKT signaling pathway.
MethodThe Protein Data Bank provided the target protein (PDB ID: 3OCB) for the molecular docking study, which was conducted using Molegro Virtual Docker (MVD) 6.0. The selection of ligands from PubChem was focused on natural analogues. ADMET profiling benefited from the use of computational techniques such as pkCSM.
ResultA molecular docking study of selected natural compounds was performed, and the top three compounds with higher MolDock scores were considered to be the best among all sixteen natural analogues. The compounds [00]UNX_16, [01]UNX_13, and [00]UNX_11 showed the highest MolDock score of -111.09, -98.31, and -96.37, respectively, and can show great potential in treating cancer.
ConclusionThe analysis primarily focuses on a docking study investigating the potential inhibition of the AKT enzyme by natural analogs. The study explores molecular interactions and ADMET properties, offering insights into their role in drug discovery. Key findings include strong binding affinities of selected analogs against the target 3OCB, with specific amino acid residues and steric/hydrogen bond interactions influencing binding success. Compounds within the 400-500 Da molecular weight range show favorable interactions, suggesting implications for future drug design. Additionally, ADMET analysis identifies compounds like [00]UNX_16, [01]UNX_13, and [00]UNX_11 with high MolDock scores, indicating potential as AKT inhibitors for cancer treatment.
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Bioactive Compounds Aimed at the AMPK Pathway: A Window into their Therapeutic Potential
Available online: 01 November 2024More LessCurrent investigations have proposed that focusing on malignancy cell metabolism is an elective restorative methodology in cancer treatment. AMPK is the significant energy sensor regulating ordinary as well as malignancy cell metabolism. Drugs as AMPK activators can quell malignancy cell development through the various signalling cascade. AMPK enactment in light of natural AMPK activators, for example, BME, ICT, Thymoquinone, has been displayed to constrict mTOR, approving that BME can restrain cell development in ovarian malignant growth cells utilizing suppressing mTOR-mediated protein translation process. Nutraceuticals as well as traditional medicines operate as natural AMPK activators that regulate AMPK movement through a mechanism that is independent of AMP. These naturally occuring AMPK activators might straightforwardly actuate AMPK through single or more than one mechanism in AMPK initiation. Exploring the synergistic effects of compounds with existing cancer treatments could open new avenues for combinatorial therapy, potentially enhancing efficacy and reducing side effects. Moreover, understanding the precise molecular pathways through which these natural AMPK activators exert their effects will be crucial in designing targeted therapies that maximize their therapeutic potential. The integration of these nutraceuticals into standard cancer treatment protocols requires rigorous clinical trials to establish their safety, optimal dosing, and long-term benefits in cancer patients. With further investigation, the possibility of using natural AMPK activators in addition to traditional medicines could transform cancer treatment by providing more patient-friendly and comprehensive options.
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