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The Role of Endothelin Axis and Reactive Oxygen Species in Future Therapies of Pancreatic Cancer

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Handbook of Oxidative Stress in Cancer: Therapeutic Aspects
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Abstract

Pancreatic cancer (PC) is an aggressive type of cancer with poor prognosis and survivability, ranking fourth in the USA and eighth worldwide. Several factors like reactive oxygen species (ROS), extracellular matrix (ECM), cytokines, growth factors, and vasoactive stimuli were shown to be involved in the development of PC. These ROS are generated through the activation of NADPH oxidase (NOX), a multi-subunit enzyme. ROS play an important role in cellular processes like proliferation, migration, differentiation, cell signaling cascade, and the development of immunity. NOX is localized in the membrane and cytosol and gets activated by several environmental stress, growth factors, chemical factors, and vasoactive stimuli like endothelins (ETs). This enzyme complex modulates ROS, causing cellular stress and various lethal disease conditions including PC. In PC, ROS levels are higher compared to healthy condition. Depending upon the concentration, ROS plays dual roles in PC. Different PC cell lines highly express the ET-axis components (ETs, receptors, and ET-converting enzymes) compared to normal cells. ETs mediate their effect through dual receptors, ETAR and ETBR. Endothelin-1 (ET-1) is the most potent vasoconstrictor of ETs and also acts as a vibrant regulator for PC and other cancers. ET axis exerts its effects on PC tumor microenvironment by stimulating ROS production, modulates the immune system, and causes invasion, migration, and proliferation. Herein, we described the role of ROS and ET axis in the PC tumor microenvironment and provide an overview of pathophysiological aspects of the pancreas and the future therapy for PC.

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Abbreviations

AM:

adrenomedullin

CTGF:

connective tissue growth factor

DBTC:

dibutyltin dichloride

EMMPRIN:

ECM metalloproteinase inducer

IL:

interleukin

IGF:

insulin-like growth factor

MAPK:

mitogen-activated protein kinase

MMPs:

matrix metalloproteinases

NADPH:

nicotinamide adenine dinucleotide phosphate

PKC:

protein kinase C

PI3K:

phosphoinositide 3-kinase

PLD:

phospholipase D

SDF:

stromal cell-derived factor

SPARC:

secreted protein acidic and rich in cysteine

TIMPs:

tissue inhibitors of metalloproteinases

TNF:

tumor necrosis factor

TSP:

thrombospondin

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Acknowledgments

This work was supported in part by National Institutes of Health grants R01AR068279 (NIAMS), STTR R42EY031196 (NEI), and STTR 1R41AG057242 (NIA). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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Correspondence to Hiranmoy Das .

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© 2022 Springer Nature Singapore Pte Ltd.

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Sarkar, J., Das, H. (2022). The Role of Endothelin Axis and Reactive Oxygen Species in Future Therapies of Pancreatic Cancer. In: Chakraborti, S. (eds) Handbook of Oxidative Stress in Cancer: Therapeutic Aspects. Springer, Singapore. https://doi.org/10.1007/978-981-16-1247-3_272-1

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  • DOI: https://doi.org/10.1007/978-981-16-1247-3_272-1

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-16-1247-3

  • Online ISBN: 978-981-16-1247-3

  • eBook Packages: Springer Reference Biomedicine and Life SciencesReference Module Biomedical and Life Sciences

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