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Current advancement in the preclinical models used for the assessment of diabetic neuropathy

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Abstract

Diabetic neuropathy is one of the prevalent and debilitating microvascular complications of diabetes mellitus, affecting a significant portion of the global population. Relational preclinical animal models are essential to understand its pathophysiology and develop effective treatments. This abstract provides an overview of current knowledge and advancements in such models. Various animal models have been developed to mimic the multifaceted aspects of human diabetic neuropathy, including both type 1 and type 2 diabetes. These models involve rodents (rats and mice) and larger animals like rabbits and dogs. Induction of diabetic neuropathy in these models is achieved through chemical, genetic, or dietary interventions, such as diabetogenic agents, genetic modifications, or high-fat diets. Preclinical animal models have greatly contributed to studying the intricate molecular and cellular mechanisms underlying diabetic neuropathy. They have shed light on hyperglycemia-induced oxidative stress, neuroinflammation, mitochondrial dysfunction, and altered neurotrophic factor signaling. Additionally, these models have allowed for the investigation of morphological changes, functional alterations, and behavioral manifestations associated with diabetic neuropathy. These models have also been crucial for evaluating the efficacy and safety of potential therapeutic interventions. Novel pharmacological agents, gene therapies, stem cell-based approaches, exercise, dietary modifications, and neurostimulation techniques have been tested using these models. However, limitations and challenges remain, including physiological differences between humans and animals, complex neuropathy phenotypes, and the need for translational validation. In conclusion, preclinical animal models have played a vital role in advancing our understanding and management of diabetic neuropathy. They have enhanced our knowledge of disease mechanisms, facilitated the development of novel treatments, and provided a platform for translational research. Ongoing efforts to refine and validate these models are crucial for future treatment developments for this debilitating condition.

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Acknowledgements

Authors would like to acknowledge the support provided by Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra.

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Each author of this research article has made substantial contributions to the conception, design, execution, and interpretation of the study. The individual contributions of each author are outlined as follows: Tanishk Saini: • Conducted data collection, ensuring the accuracy and reliability. • Drafted the initial version of the manuscript, ensuring scientific rigor and adherence to the journal's guidelines. • Provided critical revisions to the manuscript based on feedback from co-authors. • Modified the final version of the manuscript for submission and publication. Corresponding Author - Dr. (Mrs.) Papiya Mitra Mazumder: • Conceived and designed the study, outlining the objectives and methodology. • Coordinated and supervised the overall project, ensuring its smooth execution. • Handled correspondence with the journal editor, addressing queries and ensuring compliance with submission requirements. • Reviewed and approved the manuscript at each stage of revision, ensuring its completeness and accuracy. • Acted as the point of contact for the journal, addressing any revisions or additional information required during the peer review process. Both authors have equally contributed to the research and preparation of the manuscript, and they have read and approved the final version for submission. The authors confirm that no paper mill and artificial intelligence was used.

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Correspondence to Papiya Mitra Mazumder.

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Tanishk Saini is the first author.

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Saini, T., Mazumder, P.M. Current advancement in the preclinical models used for the assessment of diabetic neuropathy. Naunyn-Schmiedeberg's Arch Pharmacol 397, 2727–2745 (2024). https://doi.org/10.1007/s00210-023-02802-0

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  • DOI: https://doi.org/10.1007/s00210-023-02802-0

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