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Proteomimetics of Natural Regulators of JAK-STAT Pathway: Novel Therapeutic Perspectives
Sara La Manna1, Ilaria De Benedictis1, Daniela Marasco1
1Department of Pharmacy, University of Naples "Federico II", Naples, Italy.
Abstract:
The JAK-STAT pathway is a crucial cellular signaling cascade, including an intricate network of Protein-protein interactions (PPIs) responsible for its regulation. It mediates the activities of several cytokines, interferons, and growth factors and transduces extracellular signals into transcriptional programs to regulate cell growth and differentiation. It is essential for the development and function of both innate and adaptive immunities, and its aberrant deregulation was highlighted in neuroinflammatory diseases and in crucial mechanisms for tumor cell recognition and tumor-induced immune escape. For its involvement in a multitude of biological processes, it can be considered a valuable target for the development of drugs even if a specific focus on possible side effects associated with its inhibition is required. Herein, we review the possibilities to target JAK-STAT by focusing on its natural inhibitors as the suppressor of cytokine signaling (SOCS) proteins. This protein family is a crucial checkpoint inhibitor in immune homeostasis and a valuable target in immunotherapeutic approaches to cancer and immune deficiency disorders.
Insights
The JAK-STAT pathway regulates cell growth and immunity. Natural inhibitors, like Suppressors of Cytokine Signaling (SOCS) proteins, offer therapeutic potential for immune disorders and cancer by modulating this pathway.
Area of Science:
- Molecular Biology
- Immunology
- Cell Signaling
Background:
- The Janus Kinase-Signal Transducer and Activator of Transcription (JAK-STAT) pathway is a critical signaling cascade involved in cell growth, differentiation, and immune responses.
- Dysregulation of the JAK-STAT pathway is implicated in neuroinflammatory diseases and cancer immune evasion.
- Protein-protein interactions (PPIs) are integral to the regulation of this pathway.
Purpose of the Study:
- To review strategies for targeting the JAK-STAT pathway for therapeutic development.
- To focus on natural inhibitors, specifically Suppressors of Cytokine Signaling (SOCS) proteins, as a therapeutic avenue.
- To highlight the potential of targeting JAK-STAT in cancer immunotherapy and immune deficiency disorders.
Main Methods:
- Review of existing literature on the JAK-STAT pathway and its inhibitors.
- Analysis of the role of Suppressors of Cytokine Signaling (SOCS) proteins in immune homeostasis.
- Exploration of therapeutic implications of targeting JAK-STAT signaling.
Main Results:
- The JAK-STAT pathway mediates cytokine and growth factor signaling, impacting cell fate.
- SOCS proteins act as crucial negative feedback regulators within the JAK-STAT pathway.
- Targeting JAK-STAT offers potential for treating inflammatory conditions and enhancing anti-cancer immunity.
Conclusions:
- The JAK-STAT pathway is a significant target for drug development due to its broad biological roles.
- SOCS proteins represent a promising class of natural inhibitors for therapeutic intervention.
- Careful consideration of potential side effects is necessary when developing JAK-STAT inhibitors.
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