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TLR3 and its roles in the pathogenesis of type 2 diabetes
Z Sepehri1, Z Kiani2, F Javadian3
1Zabol University of Medical Sciences Department of Internal Medicine Zabol Iran.
Abstract:
Type 2 diabetes (T2D) is the most prevalent non—infectious disease and leads to several complications including nephropathy and retinopathy. The mechanisms and signaling molecules responsible for the development and progression of T2D, as well as its associated complications are yet to be identified. It would appear that genetic backgrounds and immunological parameters of people susceptible to T2D may play important roles in induction of T2D. TLRs participate in several cellular pathways which can induce activation of proliferation. However, in contradiction, these pathways can also be associated with apoptosis. The multiple roles of TLRs and their signaling molecules associated with T2D pathways makes them candidates for the induction of immune—regulated diseases like T2D. TLR3 has been identified as an intracellular ligand and subsequently activates signaling molecules via the TRIF pathway. Therefore, the alteration of expression of TLR3 and their functions may lead to inappropriate induction of immune system functions that are related to T2D disease. The aim of this review was to collect recent data regarding the roles of TLR3 in the progression and pathogenesis of T2D.
Insights
Toll-like receptor 3 (TLR3) plays a critical role in the immune system and may contribute to type 2 diabetes (T2D) development. Understanding TLR3
Area of Science:
- Immunology
- Endocrinology
- Molecular Biology
Background:
- Type 2 diabetes (T2D) is a widespread non-infectious disease with severe complications like nephropathy and retinopathy.
- The precise mechanisms and signaling molecules driving T2D pathogenesis and its complications remain largely unknown.
- Genetic and immunological factors are suspected to influence T2D susceptibility.
Purpose of the Study:
- To review current research on the role of Toll-like receptor 3 (TLR3) in the progression and pathogenesis of Type 2 Diabetes.
- To explore the involvement of TLR3 signaling pathways in immune-regulated diseases like T2D.
Main Methods:
- Literature review of recent scientific data.
- Analysis of TLR3's function as an intracellular ligand.
- Examination of the TRIF signaling pathway activation by TLR3.
Main Results:
- Toll-like receptors (TLRs) are implicated in cellular proliferation and apoptosis, suggesting complex roles in T2D.
- TLR3, an intracellular ligand, activates signaling via the TRIF pathway.
- Altered TLR3 expression or function may inappropriately activate immune responses linked to T2D.
Conclusions:
- TLR3 and its signaling pathways are significant candidates for investigation in T2D pathogenesis.
- Dysregulation of TLR3 may contribute to the immune-mediated aspects of Type 2 Diabetes.
- Further research into TLR3's role is crucial for understanding and potentially treating T2D.
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