Abcam, ab86318, FITC Anti-Perforin antibody [B-D48]

Size: 1mL
Mouse Monoclonal Perforin antibody - conjugated to FITC. Suitable for Flow Cyt and reacts with Human samples. Cited in 2 publications. Immunogen corresponding to Recombinant Full Length Protein corresponding to Human PRF1.
Key facts
Host species:Mouse,
Clonality:Monoclonal,
Clone number:B-D48,
Isotype:IgG1,
Light chain type:kappa,
Conjugation:FITC,
Excitation/Emission:Ex: 495nm, Em: 519nm,
Carrier free:No,
Reacts with:Human,
Applications:Flow CytSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Recombinant Full Length Protein corresponding to Human PRF1.P14222

Product details:
This product was changed from ascites to tissue culture supernatant on 19
June 2019. Please note that the dilutions may need to be adjusted accordingly. If you have any questions, please do not hesitate to contact our scientific support team.

Properties and Storage Information:
Form-Liquid, Purity-Tissue culture supernatant, Storage buffer-pH: 7.3 - 7.5Preservative: 0.09% Sodium azideConstituents: PBS, 5% BSA, Shipped at conditions-Blue Ice, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions-+4°C

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
Perforin also referred to as PRF1 is a pore-forming protein that plays an important role in immune response. It appears as a 67-kDa protein and is mainly expressed in cytotoxic T cells and natural killer (NK) cells. The function of perforin involves the formation of transmembrane pores in the membranes of target cells aiding in the delivery of pro-apoptotic molecules. This mechanism is essential for the destruction of virus-infected cells and tumor cells. Techniques like perforin IHC and perforin ELISA are suitable for detecting and quantifying this protein in various samples.
Biological function summary
Perforin helps the immune system respond effectively against infected or malignant cells. It works in conjunction with granzymes forming a complex that perforates target cell membranes allowing granzymes to enter and induce apoptosis. Perforin's role in immune surveillance prevents the propagation of harmful cells within the body. Deficiency or malfunction in perforin can lead to compromised immune function or immune cell dysregulation.
Pathways
Perforin integrates into the cytotoxic T lymphocyte (CTL) and NK cell-mediated cytotoxicity pathways. These pathways include critical interactions with proteins like granzymes and Fas ligand (FasL) which orchestrate the apoptosis of abnormal cells. Through these pathways perforin ensures the body's ability to identify and eliminate threats. The granule exocytosis pathway in particular heavily depends on perforin's activity to execute effective immune responses.
Mutations or defects in perforin are linked to familial hemophagocytic lymphohistiocytosis (FHL) and some types of cancer. These conditions arise when perforin's ability to function correctly is impaired. For instance in FHL defective perforin hampers the immune cells' ability to kill target cells leading to uncontrolled immune activation. Furthermore in the context of cancer the proper functioning of perforin alongside proteins like granzyme B is critical for the surveillance and elimination of tumor cells.