xCT Antibody [Alexa Fluor® 488] - Humanized

Novus Biologicals | Catalog # NBP3-28188AF488

Recombinant Monoclonal Antibody
Novus Biologicals
100% Guarantee

Key Product Details

Species Reactivity

Human

Applications

ELISA, Flow Cytometry, Functional

Label

Alexa Fluor 488 (Excitation = 488 nm, Emission = 515-545 nm)

Antibody Source

Recombinant Monoclonal Human IgG1 expressed in CHO
View all xCT/SLC7A11 Primary Antibodies »

Product Specifications

Immunogen

SLC7A11

Clonality

Monoclonal

Host

Human

Isotype

IgG1

Description

The heavy chain type is huIgG1, and the light chain type is hukappa. It has a predicted MW of 150 kDa.

Patent #: WO2020227640

Applications for xCT Antibody [Alexa Fluor® 488] - Humanized

Application
Recommended Usage

ELISA

Optimal dilutions of this antibody should be experimentally determined.

Flow Cytometry

Optimal dilutions of this antibody should be experimentally determined.

Functional

Optimal dilutions of this antibody should be experimentally determined.
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Spectra Viewer

Plan Your Experiments

Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.

Spectra Viewer
Spectra Viewer

Flow Cytometry Panel Builder

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Advanced Features

  • Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
  • Spillover Popups - Visualize the spectra of individual fluorochromes
  • Antigen Density Selector - Match fluorochrome brightness with antigen density
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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A purified

Formulation

50mM Sodium Borate

Preservative

0.05% Sodium Azide

Concentration

Please see the vial label for concentration. If unlisted please contact technical services.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store at 4C in the dark.

Background: xCT/SLC7A11

xCT, also called SLC7A11, is the light chain component of the cysteine/glutamate amino acid exchange transporter system Xc (1,2). System Xc is composed of two subunits, the light chain (xCT) and the heavy chain (CD98hc, SLC3A2) and functions by cellular uptake of cysteine in exchange for glutamate in a 1:1 ratio (1,2). The human xCT gene is located on chromosome 4q28.3 and is synthesized as a 12-pass transmembrane protein with both the N- and C-terminals located intracellularly (2, 3). xCT is a 501 amino acids (aa) protein with a theoretical molecular weight of 55.4 kDa (3, 4). xCT expression serves many functional purposes in cells including redox balance, ferroptosis, and chemotherapy or cancer drug resistance (1-3, 5-7). Import of cysteine by xCT plays a role in promoting oxidative stress response as cysteine is a precursor for glutathione synthesis (2, 3, 5-7). Glutathione is a cofactor for ROS-detoxifying enzymes, including glutathione peroxidase (GPX), which help defend from cellular ROS-induced damage (2, 3, 5-7). In addition to its antioxidant role, xCT also utilizes glutathione and GPX to inhibit ferroptosis, which is iron-dependent, non-apoptotic cell-death that occurs with overproduction of lipid hydroperoxides (1-3, 5-7). As cancer cells often experience high oxidative stress, it is understandable that xCT is overexpressed in a variety of cancer types, such as acute myeloid leukemia and breast cancer, and affects cancer growth, invasion, metastasis, and prognosis (1-3, 5-7). xCT expression has also been shown to play a role in glutathione-mediated drug resistance during cancer treatment (1,5,7). However, studies have shown that xCT knockdown results in increased tumor cell death, highlighting its suitability as a druggable target (1,5,7). Specifically, the xCT inhibitors Sulfasalazine, an approved anti-inflammatory drug, and Erastin, a small molecule inhibitor, are potential therapeutic modalities for treating a variety of cancers when used in combination with radiotherapy or immunotherapy (1-3, 5-7).

References

1. Liu, J., Xia, X., & Huang, P. (2020). xCT: A Critical Molecule That Links Cancer Metabolism to Redox Signaling. Molecular therapy : the journal of the American Society of Gene Therapy. https://doi.org/10.1016/j.ymthe.2020.08.021

2. Koppula, P., Zhang, Y., Zhuang, L., & Gan, B. (2018). Amino acid transporter SLC7A11/xCT at the crossroads of regulating redox homeostasis and nutrient dependency of cancer. Cancer communications. https://doi.org/10.1186/s40880-018-0288-x

3. Lin, W., Wang, C., Liu, G., Bi, C., Wang, X., Zhou, Q., & Jin, H. (2020). SLC7A11/xCT in cancer: biological functions and therapeutic implications. American journal of cancer research.

4. xCT: Uniprot (Q9UPY5)

5. Koppula, P., Zhuang, L., & Gan, B. (2020). Cystine transporter SLC7A11/xCT in cancer: ferroptosis, nutrient dependency, and cancer therapy. Protein & cell. https://doi.org/10.1007/s13238-020-00789-5

6. Liu, L., Liu, R., Liu, Y., Li, G., Chen, Q., Liu, X., & Ma, S. (2020). Cystine-glutamate antiporter xCT as a therapeutic target for cancer. Cell biochemistry and function. https://doi.org/10.1002/cbf.3581

7. Cui, Q., Wang, J. Q., Assaraf, Y. G., Ren, L., Gupta, P., Wei, L., Ashby, C. R., Jr, Yang, D. H., & Chen, Z. S. (2018). Modulating ROS to overcome multidrug resistance in cancer. Drug resistance updates : reviews and commentaries in antimicrobial and anticancer chemotherapy. https://doi.org/10.1016/j.drup.2018.11.001

Long Name

Cationic 1/Solute Carrier Family 7 Member 11

Alternate Names

CCBR1, SLC7A11

Gene Symbol

SLC7A11

Additional xCT/SLC7A11 Products

Product Documents for xCT Antibody [Alexa Fluor® 488] - Humanized

Certificate of Analysis

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Product Specific Notices for xCT Antibody [Alexa Fluor® 488] - Humanized



Alexa Fluor (R) products are provided under an intellectual property license from Life Technologies Corporation. The purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: (i) in manufacturing; (ii) to provide a service, information, or data in return for payment; (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@lifetech.com. This conjugate is made on demand. Actual recovery may vary from the stated volume of this product. The volume will be greater than or equal to the unit size stated on the datasheet.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

Related Research Areas

Infectious Diseases

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Protocols

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FAQs for xCT Antibody [Alexa Fluor® 488] - Humanized

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  • Q: Do you have a slc7a11 antibody that is conjugated, reacts to mouse, works with cell surface staining, does not need permeabilization?

    A: SLC7A11 or xCT antibody NB300-318AF594 targets a cytoplasmic region of the protein, so it should work without permeabilization. However, the data does say it was permeabilized with saponin, so we cannot say for certain if it will work without permeabilization.

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