Suppressor of cytokine signaling 6 in cancer development and therapy: Deciphering its emerging and suppressive roles
Zhi Yang1, Shigao Huang2, Lina Zhao2
1Department of Radiation Oncology, Xijing Hospital, Air Force Medical University, 15 West Changle Road, Xi'an, China; Department of Radiation Oncology, General Hospital of Southern Theatre Command of PLA, 111 Liuhua Road, Guang Zhou 510010, China.
Abstract:
The suppressor of cytokine signaling 6 (SOCS6), an emerged important member of SOCS family, has attracted enhancing attention regarding its pivotal role in the development and progression of cancers. As part of negative feedback regulation, SOCS6 has been implicated in attenuating cytokine signal transduction via inhibiting the signaling cascade of activated cytokine receptors and multiple receptor tyrosine kinase signaling. Decreased SOCS6 expression is involved in diverse tumorigenic processes, such as abnormal cell proliferation, evasion of apoptosis, cancer migration, and cancer stem cell maintenance. Herein, this review summarized the mechanisms of SOCS6 regulation underlying multiple pathways. In particular, we focus on the pathological processes of cancer targeted by SOCS6 and discuss its inhibitory role during tumor progression. Also, we focused on the clinical relevance of SOCS6 in cancer biomarker and prognosis, as well as its significance in chemoresistance and radioresistance. In all, this review pave a way to assist in experimental designs and emphasize the potential clinical value of SOCS6 for cancer.
Insights
Suppressor of cytokine signaling 6 (SOCS6) is crucial in regulating cancer development by inhibiting key signaling pathways. Reduced SOCS6 expression promotes tumor growth, migration, and resistance to cancer therapies.
Area of Science:
- Oncology
- Molecular Biology
- Signal Transduction
Background:
- Suppressor of cytokine signaling 6 (SOCS6) is a key regulator in the SOCS family, increasingly recognized for its role in cancer.
- SOCS6 functions in negative feedback loops, attenuating cytokine and receptor tyrosine kinase signaling pathways.
- Downregulation of SOCS6 is linked to critical tumorigenic processes including uncontrolled cell proliferation, apoptosis evasion, and cancer cell migration.
Purpose of the Study:
- To review the regulatory mechanisms of SOCS6 across multiple signaling pathways.
- To elucidate the role of SOCS6 in pathological cancer processes and tumor progression.
- To discuss the clinical relevance of SOCS6 as a cancer biomarker, in prognosis, and in chemo/radioresistance.
Main Methods:
- Literature review of SOCS6 regulation and function in cancer.
- Analysis of SOCS6's inhibitory role in tumor progression pathways.
- Examination of clinical data regarding SOCS6 in cancer biomarkers, prognosis, and treatment resistance.
Main Results:
- SOCS6 negatively regulates cytokine and receptor tyrosine kinase signaling cascades.
- Reduced SOCS6 expression is associated with enhanced cancer cell proliferation, survival, migration, and stemness.
- SOCS6 plays a significant role in modulating chemoresistance and radioresistance in various cancers.
Conclusions:
- SOCS6 exhibits potent tumor-suppressive functions by inhibiting oncogenic signaling.
- Understanding SOCS6 regulation provides insights into cancer development and progression.
- SOCS6 holds potential as a clinical biomarker and therapeutic target for improving cancer treatment outcomes.
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