Cystine transporter SLC7A11/xCT in cancer: ferroptosis, nutrient dependency, and cancer therapy

P Koppula, L Zhuang, B Gan - Protein & cell, 2021 - academic.oup.com
The cystine/glutamate antiporter SLC7A11 (also commonly known as xCT) functions to
import cystine for glutathione biosynthesis and antioxidant defense and is overexpressed in …

The role of cystine/glutamate antiporter SLC7A11/xCT in the pathophysiology of cancer

N Jyotsana, KT Ta, KE DelGiorno - Frontiers in oncology, 2022 - frontiersin.org
SLC7A11/xCT is an antiporter that mediates the uptake of extracellular cystine in exchange
for glutamate. Cystine is reduced to cysteine, which is a rate-limiting precursor in glutathione …

[HTML][HTML] SLC7A11/xCT in cancer: biological functions and therapeutic implications

W Lin, C Wang, G Liu, C Bi, X Wang… - American journal of …, 2020 - ncbi.nlm.nih.gov
Amino acid transporters mediate substrates across cellular membranes and their fine-tuned
regulations are critical to cellular metabolism, growth, and death. As the functional …

xCT: a critical molecule that links cancer metabolism to redox signaling

J Liu, X Xia, P Huang - Molecular Therapy, 2020 - cell.com
System xc− cystine/glutamate antiporter, composed of a light-chain subunit (xCT, SLC7A11)
and a heavy-chain subunit (CD98hc, SLC3A2), is mainly responsible for the cellular uptake …

System Xc: a key regulatory target of ferroptosis in cancer

M Liu, W Zhu, D Pei - Investigational New Drugs, 2021 - Springer
Ferroptosis is a type of oxidative stress-dependent regulated necrosis characterized by
excessive lipid peroxide accumulation. This novel cell death modality has been implicated in …

SLC7A11/xCT is a target of miR-5096 and its restoration partially rescues miR-5096-mediated ferroptosis and anti-tumor effects in human breast cancer cells

P Yadav, P Sharma, S Sundaram, G Venkatraman… - Cancer letters, 2021 - Elsevier
Breast cancer cells evade cell death by overexpressing SLC7A11, which functions by
transporting cystine into cells in exchange for intracellular glutamate facilitating glutathione …

xCT-driven expression of GPX4 determines sensitivity of breast cancer cells to ferroptosis inducers

N Lee, AE Carlisle, A Peppers, SJ Park, MB Doshi… - Antioxidants, 2021 - mdpi.com
Inducers of ferroptosis such as the glutathione depleting agent Erastin and the GPX4
inhibitor Rsl-3 are being actively explored as potential therapeutics in various cancers, but …

Oxidative stress-related mechanisms in melanoma and in the acquired resistance to targeted therapies

S Pizzimenti, S Ribero, MA Cucci, M Grattarola… - Antioxidants, 2021 - mdpi.com
Melanoma is a highly aggressive cancer with the poorest prognosis, representing the
deadliest form of skin cancer. Activating mutations in BRAF are the most frequent genetic …

New drugs are not enough-drug repositioning in oncology: An update

RG Armando, DLM Gomez… - … Journal of Oncology, 2020 - spandidos-publications.com
Drug repositioning refers to the concept of discovering novel clinical benefits of drugs that
are already known for use treating other diseases. The advantages of this are that several …

Spontaneous and induced animal models for cancer research

A Onaciu, R Munteanu, VC Munteanu, D Gulei… - Diagnostics, 2020 - mdpi.com
Considering the complexity of the current framework in oncology, the relevance of animal
models in biomedical research is critical in light of the capacity to produce valuable data with …