Fas/TNFRSF6/CD95 Antibody (MM0041-12J3) [FITC]

Novus Biologicals, part of Bio-Techne | Catalog # NB110-61007F

Novus Biologicals, part of Bio-Techne
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NB110-61007F
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Key Product Details

Species Reactivity

Validated:

Human, Primate

Applications

Immunohistochemistry, Immunohistochemistry-Paraffin, Western Blot

Label

FITC (Excitation = 495 nm, Emission = 519 nm)

Antibody Source

Monoclonal Mouse IgG1 Clone # MM0041-12J3

Concentration

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

View all Fas/TNFRSF6/CD95 Antibodies »

Product Summary for Fas/TNFRSF6/CD95 Antibody (MM0041-12J3) [FITC]

Immunogen

Human recombinant Fas/TNFRSF6/CD95

Reactivity Notes

Primate data from customer review on cynomolgus monkey colon.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Description

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.

Applications for Fas/TNFRSF6/CD95 Antibody (MM0041-12J3) [FITC]

Application
Recommended Usage

Immunohistochemistry

Optimal dilutions of this antibody should be experimentally determined.

Immunohistochemistry-Paraffin

Optimal dilutions of this antibody should be experimentally determined.

Western Blot

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

Formulation, Preparation, and Storage

Purification

Protein G purified

Formulation

PBS

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: Fas/TNFRSF6/CD95

Tumor Necrosis Family Receptor (TNFR) superfamily member Fas, also known as CD95, APO-1, and TNFRSF6, is a 40-50 kDa type I transmembrane glycoprotein that is traditionally considered a death receptor but also functions in non-apoptotic signaling (1-4). The human Fas/TNFRSF6/CD95 protein is encoded by the FAS gene which contains 9 exons and is located on chromosome 10 (10q23.3-4) (1,2). The mature canonical Fas/TNFRSF6 protein isoform is 335 aa in length, which includes the signal sequence, and has a theoretical molecular weight of 37.7 kDa (1,5). The protein contains an extracellular domain (ECD) consisting of three calcium rich domains (CRDs), a transmembrane domain (TM), and an intracellular domain (ICD) comprised of a calcium-inducing domain (CID) and characteristic dead domain (DD) (1,2,5,6). The Fas protein is expressed on the plasma membrane of activated lymphocytes as a homotrimer formed via CRD1 interactions (1,2,3,6). The DD is crucial for apoptotic signaling which is triggered by the Fas receptor binding its ligand, Fas ligand (FasL) (1,2,6,7). Upon Fas-FasL interaction, the DD recruits an adapter protein Fas-associated DD (FADD) and procaspase-8, generating the death-inducing signaling complex (DISC) (1-4,6-8). Formation of DISC activates caspase-8 and leads to cleavage of caspase-3, initiating a caspase-signaling cascade and cell death (1-4,6-8).

Fas-FasL-mediated apoptosis is important in immune homeostasis and removal of autoreactive T cells, autoreactive B cells, cytotoxic natural killer (NK) cells, and more (1,2,7). Dysfunction and mutations in the Fas receptor and the Fas-FasL signaling axis is associated a loss of apoptotic signaling and removal of autoreactive cells, which correlates with several autoimmune diseases including systemic lupus erythematosus (SLE), autoimmune lymphoproliferative syndrome (ALPS), and multiple sclerosis (MS) (1-4,6,7). In addition to apoptosis and cell death signaling, FasL/TNFRSF6/CD95 mediates other pathways involved in proliferation, survival, and differentiation (3,4,6,8). More specifically, Fas has been shown to activate the NF-kappaB pathway, driving innate immunity which includes IL-1beta production and functioning in host defense (3,4,6,8). Fas is also involved in adaptive immunity playing a role in co-stimulation of CD4+ and CD8+ T cell activation as well as precocious differentiation of naive cells to effector memory T cells (3,4,6). Differentiation into effector memory T cells shows protection against autoimmunity but also limits antitumor response to a form of cancer immunotherapy called adoptive cell transfer (ACT) (3,4). The non-apoptotic roles of the Fas/TNFRSF6/CD95 receptor highlight its potential as a target for both treating autoimmune diseases and in cancer immunotherapy (3,4).

References

1. Singh R, Pradhan V, Patwardhan M, Ghosh K. APO-1/Fas gene: Structural and functional characteristics in systemic lupus erythematosus and other autoimmune diseases. Indian J Hum Genet. 2009;15(3):98-102. https://doi.org/10.4103/0971-6866.60184

2. Magerus A, Bercher-Brayer C, Rieux-Laucat F. The genetic landscape of the FAS pathway deficiencies. Biomed J. 2021;44(4):388-399. https://doi.org/1010.1016/j.bj.2021.06.005

3. Guegan JP, Legembre P. Nonapoptotic functions of Fas/CD95 in the immune response. FEBS J. 2018;285(5):809-827. https://doi.org/10.1111/febs.14292

4. Yi F, Frazzette N, Cruz AC, Klebanoff CA, Siegel RM. Beyond Cell Death: New Functions for TNF Family Cytokines in Autoimmunity and Tumor Immunotherapy. Trends Mol Med. 2018;24(7):642-653. https://doi.org/10.1016/j.molmed.2018.05.004

5. Uniprot (P25445)

6. Guegan JP, Ginestier C, Charafe-Jauffret E, et al. CD95/Fas and metastatic disease: What does not kill you makes you stronger. Semin Cancer Biol. 2020;60:121-131. https://doi.org/10.1016/j.semcancer.2019.06.004

7. Volpe E, Sambucci M, Battistini L, Borsellino G. Fas-Fas Ligand: Checkpoint of T Cell Functions in Multiple Sclerosis. Front Immunol. 2016;7:382. Published 2016 Sep 27. https://doi.org/10.3389/fimmu.2016.00382

8. Cullen SP, Martin SJ. Fas and TRAIL 'death receptors' as initiators of inflammation: Implications for cancer. Semin Cell Dev Biol. 2015;39:26-34. https://doi.org/10.1016/j.semcdb.2015.01.012

Long Name

Fibroblast-associated

Alternate Names

Apo-1, APT1, CD95, TNFRSF6

Gene Symbol

FAS

Additional Fas/TNFRSF6/CD95 Products

Product Documents for Fas/TNFRSF6/CD95 Antibody (MM0041-12J3) [FITC]

Product Datasheets

Certificate of Analysis

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Product Specific Notices for Fas/TNFRSF6/CD95 Antibody (MM0041-12J3) [FITC]

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.

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