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Aryl hydrocarbon receptor (AHR) signalling: A double-edged sword guiding both cancer progression and cancer therapy
Rahul Sahoo1, Sriya Pattnaik1, Biswajit Mohanty1
1Department of Biotechnology and Bioinformatics, Sambalpur University, Jyoti Vihar, Burla, Odisha 768019, India.
Abstract:
Aryl Hydrocarbon Receptor (AHR) reported to be associated with major carcinogenic signalling cascades which cause cell proliferations, metastasis and invasion as well as immune imbalance. AHR Participates in cellular processes not only through genomic pathways to cause genomic alterations but also via nongenomic pathways to alter various cytoplasmic proteins. In addition, AHR senses a wide range of ligands that modulate its downstream mechanisms that are intricated in cancer induction and prevention. Thus, AHR functions as a two-sided sword where some AHR ligands contribute to enhance cancer whereas few are useful for cancer treatment. Therefore, AHR represent as a regulatory point in cancer progression and treatment. There is a need to reinvestigate the regulatory role of AHR in major intracellular pathways and to explore the potential of AHR ligand for the design of cancer therapeutics. This review emphasizes the interaction of AHR with pro-carcinogenic signalling pathways that modulate cancer induction and progression. Furthermore, it also discusses about the current discovery of AHR ligands for cancer initiation or inhibition. This information could be useful for development of therapeutic strategies for the management of cancer by targeting AHR.
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