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JAK-STAT signaling in cancer: From cytokines to non-coding genome
Jan Pencik1, Ha Thi Thanh Pham2, Johannes Schmoellerl3
1Clinical Institute of Pathology, Medical University of Vienna, 1090 Vienna, Austria; Division of Nuclear Medicine, Department of Biomedical Imaging and Image-guided Therapy, 1090 Vienna, Austria; Ludwig Boltzmann Institute for Cancer Research, Medical University of Vienna, 1090 Vienna, Austria.
Abstract:
In the past decades, studies of the Janus kinases (JAKs) and signal transducers and activators of transcription (STATs) signaling have uncovered highly conserved programs linking cytokine signaling to the regulation of essential cellular mechanisms such as proliferation, invasion, survival, inflammation and immunity. Inhibitors of the JAK/STAT pathway are used for treatment of autoimmune diseases, such as rheumatoid arthritis or psoriasis. Aberrant JAK/STAT signaling has been identified to contribute to cancer progression and metastatic development. Targeting of JAK/STAT pathway is currently one of the most promising therapeutic strategies in prostate cancer (PCa), hematopoietic malignancies and sarcomas. Notably, newly identified regulators of JAK/STAT signaling, the non-coding RNAs transcripts and their role as important targets and potential clinical biomarkers are highlighted in this review. In addition to the established role of the JAK/STAT signaling pathway in traditional cytokine signaling the non-coding RNAs add yet another layer of hidden regulation and function. Understanding the crosstalk of non-coding RNA with JAK/STAT signaling in cancer is of critical importance and may result in better patient stratification not only in terms of prognosis but also in the context of therapy.
Insights
Janus kinases (JAKs) and signal transducers (STATs) pathways regulate cell functions and are targeted in autoimmune diseases and cancers. Non-coding RNAs add a new regulatory layer, crucial for understanding cancer and improving patient therapy.
Area of Science:
- Molecular Biology
- Immunology
- Oncology
Background:
- The Janus kinases (JAKs) and signal transducers and activators of transcription (STATs) pathway is a conserved signaling cascade linking cytokine signaling to cellular processes.
- JAK/STAT pathway dysregulation is implicated in autoimmune diseases and cancer progression.
- JAK/STAT pathway inhibitors are established treatments for autoimmune conditions and emerging therapies for various cancers.
Purpose of the Study:
- To review the role of JAK/STAT signaling in cellular mechanisms.
- To highlight the emerging role of non-coding RNAs in regulating JAK/STAT signaling.
- To emphasize the therapeutic potential of targeting JAK/STAT and non-coding RNAs in cancer.
Main Methods:
- Literature review of studies on JAK/STAT signaling.
- Analysis of the role of non-coding RNAs in JAK/STAT pathway regulation.
- Discussion of therapeutic strategies targeting JAK/STAT signaling in cancer.
Main Results:
- JAK/STAT signaling controls proliferation, invasion, survival, inflammation, and immunity.
- Aberrant JAK/STAT signaling contributes to cancer progression and metastasis.
- Non-coding RNAs represent novel regulators and potential biomarkers in JAK/STAT-driven cancers.
Conclusions:
- Non-coding RNAs introduce a new layer of regulation to the JAK/STAT pathway.
- Understanding non-coding RNA interactions with JAK/STAT signaling is critical for cancer therapy.
- Targeting JAK/STAT and non-coding RNAs offers promising strategies for cancer treatment and patient stratification.
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