
Redox Signaling
- 1st Edition, Volume 162 - July 30, 2024
- Imprint: Academic Press
- Editors: Danyelle Townsend, Paul B. Fisher, Ed Schmidt, Kenneth D. Tew
- Language: English
- Hardback ISBN:9 7 8 - 0 - 4 4 3 - 2 9 4 4 4 - 0
- eBook ISBN:9 7 8 - 0 - 4 4 3 - 2 9 4 4 5 - 7
Advances in Cancer Research, Volume 162 highlights new advances in the field, with this new volume presenting interesting chapters written by an international board of author… Read more

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- Cover image
- Title page
- Table of Contents
- Copyright
- Contributors
- Chapter One: Unresolved questions regarding cellular cysteine sources and their possible relationships to ferroptosis
- Abstract
- 1 Roles and critical requirement of cellular cysteine
- 2 Ferroptosis
- 3 Role of GPX4 in ferroptosis
- 4 FSP1 and other enzymes affecting ferroptosis in parallel with GPX4
- 5 Genetic and pharmacologic models that question the exact roles of cystine, Cys, xCT, GSH, or GSH synthesis in ferroptosis
- 6 Potential roles of the thioredoxin system in ferroptosis
- 7 Concluding remarks
- Acknowledgments
- References
- Chapter Two: Protein Tyrosine Phosphatase regulation by Reactive Oxygen Species
- Abstract
- 1 Introduction
- 2 The Protein Tyrosine Phosphatase (PTP) catalytic domain
- 3 A Cys-based catalytic mechanism and sensitivity to oxidation
- 4 Sources of Reactive Oxygen Species (ROS) in cellular signaling
- 5 Oxidation of PTPs I: Cellular mechanisms
- 6 Oxidation of PTPs II: Structural aspects
- 7 Conclusions
- Acknowledgments
- References
- Chapter Three: Mitochondrial metallopeptidase OMA1 in cancer
- Abstract
- 1 Introduction
- 2 OMA1 and its role in mitochondrial and cellular physiology
- 3 Redox regulation of OMA1
- 4 OMA1 and its regulation in cancers
- 5 Clinical implications
- 6 Challenges and future directions
- Acknowledgments
- References
- Chapter Four: Role of antioxidants in modulating anti-tumor T cell immune resposne
- Abstract
- 1 Introduction
- Acknowledgment
- References
- Chapter Five: Redox pathways in melanoma
- Abstract
- Abbreviations
- 1 Introduction
- 2 Melanin biosynthesis
- 3 MGST1 and melanoma
- 4 MGST1 in melanoma metastasis and treatment response
- 5 Additional redox targets in melanoma
- Acknowledgments
- References
- Chapter Six: Melanoma redox biology and the emergence of drug resistance
- Abstract
- Abbreviations
- 1 Biology of melanoma
- 2 Treatment of melanoma
- 3 Drug resistance in melanoma
- 4 Oxidative stress in melanoma
- 5 Antioxidants in melanoma
- 6 Oxidative stress and BRAF inhibitor resistance
- Acknowledgments
- References
- Edition: 1
- Volume: 162
- Published: July 30, 2024
- No. of pages (Hardback): 182
- No. of pages (eBook): 312
- Imprint: Academic Press
- Language: English
- Hardback ISBN: 9780443294440
- eBook ISBN: 9780443294457
DT
Danyelle Townsend
PF
Paul B. Fisher
KT
Kenneth D. Tew
The Tew laboratory maintains an interest in using redox pathways as a platform to develop therapeutic strategies through drug discovery/development and biomarker identification. We interrogate how reactive oxygen and nitrogen species (ROS/RNS) impact cancer cells and develop novel drugs that impact on glutathione based pathways. Our research efforts have been integral to studies that have identified glutathione S-transferases (GST) as important in drug resistance, catalytic detoxification and as arbiters of kinase-mediated cell signaling events. In addition, we have been instrumental in defining how GSTP contributes to the process by which cells respond to ROS by selective addition of glutathione to specific protein clusters, so called S-glutathionylation. Each of these research areas has had broad impact on a number of cancer disciplines. Moreover, we have also been seminally involved in the Phase I to III clinical testing of three oncology drugs, Telcyta, Telintra and NOV-002. Other ongoing translational efforts have produced two ongoing clinical trials to measure the effectiveness of serum S-glutathionylated serine proteinase inhibitors as possible biomarkers for exposure to hydrogen peroxide mouthwashes and radiation.