Application of adenosine deaminase or modifier of adenosine deaminase in preparation of therapeutic drug for improving diabetes pancreas islet inflammation and protecting pancreas islet beta cell function

By systematically improving pancreatic islet immunopathology through adenosine deaminase (ADA) and its modifiers, the problem of existing drugs being unable to prevent the decline of β-cell function has been solved, resulting in reduced pancreatic islet inflammation and restoration of β-cell function, providing a novel diabetes treatment strategy.

CN122440799APending Publication Date: 2026-07-24NANJING UNIV OF SCI & TECH
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Patent Information

Application Number
CN202610650466.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-12
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing hypoglycemic drugs cannot effectively prevent or reverse the persistent decline in β-cell function, and the functional significance of adenosine deaminase (ADA) in diabetes has not been fully utilized, with long-term inflammatory responses driving β-cell exhaustion.

Method used

By using adenosine deaminase (ADA) and its modifiers, through a systemic clearance-local decompression mechanism, we can systematically improve pancreatic islet immunopathology, reduce macrophages and inflammatory factors, and protect β-cell function.

Benefits of technology

It significantly reduces pancreatic islet inflammation, promotes β-cell proliferation and functional recovery, restores glucose-stimulated insulin secretion, delays diabetes progression, and provides a novel diabetes treatment strategy.

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Abstract

The invention discloses application of adenosine deaminase or a modifier of adenosine deaminase in preparation of a therapeutic drug for improving diabetes pancreas islet inflammation and protecting pancreas islet beta cell functions. It is found for the first time that exogenous ADA enhances clearing of circulating ADO and reduces ADO load of tissue through a whole body clearing-local decompression mechanism, so that the activity of the tissue ADA with compensatory rise is recovered to be normal, infiltration of macrophages in pancreas islets is remarkably relieved, expression of inflammatory factors is inhibited, proliferation and functional recovery of beta cells are promoted, and glycolipid metabolism is improved. The invention provides a disease modification therapy capable of simultaneously regulating immunity and metabolism for diabetes, and has extremely high clinical application value.
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