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The Neglected Suppressor of Cytokine Signalling (SOCS): SOCS4-7
Juber Herrera-Uribe1, Orla Convery1, Daniah ALmohammadi1
1Viral Immunology Group, School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland.
Abstract:
SOCS proteins are essential for the regulation of oncogenic, anti-pathogenic, and proinflammatory signalling cascades, including the JAK/STAT and NF-kB pathways, where they act as negative feedback regulators. Given their powerful role in a broad spectrum of biological processes, it is surprising that the functions of many SOCS proteins have not been widely explored. While the mechanisms of action of CIS, SOCS1-3 are well-documented, information regarding SOCS4-7 remains limited. However, recent studies have begun to elucidate the regulatory functions of these proteins during infection and disease, such as influenza infection, cancer and diabetes. Therefore, this review aims to describe and discuss studies detailing our current understanding of SOCS4-7, painting a clearer picture of the biological processes these regulatory proteins maintain. Indeed, our review highlights important evidence proving that all SOCS play a role in biological processes that are essential for normal immunological homeostasis, clearance of infection and avoidance of disease. Understanding how SOCS proteins interact with other proteins or how they are dysregulated in disease is likely to provide valuable insights for advancing therapeutic approaches.
Insights
Suppressor of Cytokine Signaling (SOCS) proteins regulate key immune pathways. This review details the functions of less-studied SOCS4-7 proteins in disease and infection.
Area of Science:
- Immunology
- Molecular Biology
- Biochemistry
Background:
- Suppressor of Cytokine Signaling (SOCS) proteins are critical negative feedback regulators of cytokine signaling pathways, including JAK/STAT and NF-kB.
- While SOCS1-3 functions are well-characterized, the roles of SOCS4-7 proteins remain less explored.
- Emerging research highlights the involvement of SOCS4-7 in various diseases, including cancer, diabetes, and influenza infection.
Purpose of the Study:
- To review and synthesize current knowledge on the functions of SOCS4-7 proteins.
- To elucidate the regulatory roles of SOCS4-7 in biological processes, particularly during infection and disease.
- To emphasize the importance of SOCS proteins in maintaining immunological homeostasis.
Main Methods:
- Literature review and synthesis of existing research on SOCS4-7 proteins.
- Analysis of studies investigating SOCS protein interactions and dysregulation in disease.
- Discussion of evidence supporting the role of all SOCS proteins in immune homeostasis and disease avoidance.
Main Results:
- SOCS proteins are crucial for regulating oncogenic, anti-pathogenic, and pro-inflammatory signaling.
- SOCS4-7 proteins play significant roles in the immune response to infections and in the pathogenesis of diseases like cancer and diabetes.
- All SOCS proteins contribute to essential biological processes for immune homeostasis and disease prevention.
Conclusions:
- SOCS4-7 proteins are vital regulators with significant implications in various diseases.
- Further understanding of SOCS protein interactions and dysregulation can inform therapeutic strategies.
- Targeting SOCS proteins may offer novel approaches for treating immune-related disorders and infections.
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