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AB314457

Anti-FAP antibody [RM1080] - BSA and Azide free

  • BOND RX™ Validated
  • RabMAb
  • Recombinant
  • KO Validated
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Rabbit Recombinant Multiclonal Fibroblast activation protein, alpha antibody. Carrier free. Suitable for WB, IHC-P, ICC/IF and reacts with Human samples.

View Alternative Names

Prolyl endopeptidase FAP, 170 kDa melanoma membrane-bound gelatinase, Dipeptidyl peptidase FAP, Fibroblast activation protein alpha, Gelatine degradation protease FAP, Integral membrane serine protease, Post-proline cleaving enzyme, Serine integral membrane protease, Surface-expressed protease, FAPalpha, SIMP, Seprase, FAP

6 Images
Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)

This data was developed using ab314456, the same antibody clone in a different buffer formulation. Immunohistochemical analysis of paraffin-embedded human liver tissue labeling FAP with ab314456 at 1/1000 (0.537 ug/ml) followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection). Negative control : no staining on human liver. The section was incubated with ab314456 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin. Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection). Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)

This data was developed using ab314456, the same antibody clone in a different buffer formulation. Immunohistochemical analysis of paraffin-embedded human lung carcinoma tissue labeling FAP with ab314456 at 1/1000 (0.537 ug/ml) followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection). Positive staining on the stroma in human lung carcinoma. The section was incubated with ab314456 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin. Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection). Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)
  • IHC-P

Supplier Data

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)

This data was developed using ab314456, the same antibody clone in a different buffer formulation. Immunohistochemical analysis of paraffin-embedded human colon carcinoma tissue labeling FAP with ab314456 at 1/1000 (0.537 ug/ml) followed by a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection). Positive staining on the stroma in human colon carcinoma. The section was incubated with ab314456 for 30 mins at room temperature. The immunostaining was performed on a Leica Biosystems BOND® RX instrument. Counterstained with Hematoxylin. Secondary antibody only control : Secondary antibody is a ready to use LeicaDS9800 (Bond™ Polymer Refine Detection). Heat mediated antigen retrieval was performed with Tris-EDTA buffer (pH 9.0, Epitope Retrieval Solution2) for 20 mins.

Immunocytochemistry/ Immunofluorescence - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)
  • ICC/IF

Supplier Data

Immunocytochemistry/ Immunofluorescence - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)

This data was developed using ab314456, the same antibody clone in a different buffer formulation. Immunofluorescent analysis of 100% methanol-fixed, 0.1% TritonX-100 permeabilized WI-38 (human fetal lung fibroblast cell) cells labelling FAP with ab314456 at 1/100 (5.37 ug/ml) dilution, followed by ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed antibody at 1/1000 (2 ug/ml) dilution (Green). Confocal image showing cytoplasmic staining in WI-38 cell line. Negative control : Jurkat.Image was taken with a confocal microscope(Leica-Microsystems, TCS SP8). ab195889 Anti-alpha Tubulin mouse monoclonal antibody - Microtubule Marker (Alexa Fluor® 594) was used to counterstain tubulin at 1/200 (2.5ug/ml) dilution (Red). The Nuclear counterstain was DAPI (Blue). Secondary antibody only control : Secondary antibody is ab150081 Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) preadsorbed at 1/1000 (2 ug/ml) dilution.

Western blot - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)
  • WB

Lab

Western blot - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)

This data was developed using ab314456, the same antibody clone in a different buffer formulation.

Western blot : Rabbit Recombinant Multiclonal[RM1080] to FAP ab314456 staining at 1/1000 dilution, shown in green; Mouse anti GAPDH ab8245 loading control staining at 1/20000 dilution, shown in magenta. A band was observed at 90-100 kDa in Wild-type U-87 MG cell lysates with no signal observed at this size in FAP knockout U-87 MG cell line. To generate this image, samples were run on an SDS-PAGE gel then transferred onto a nitrocellulose membrane. Membranes were blocked in 3pc Milk in TBS-0.1 % Tween® 20 (TBS-T) before incubation with primary antibodies overnight at 4 °C. Blots were washed four times in TBS-T, incubated with secondary antibodies for 1 h at room temperature, washed again four times then imaged. Secondary antibodies used were Goat anti-Rabbit 800CW and Goat anti-Mouse 680RD at 1/20,000 dilution.

All lanes:

Western blot - Anti-FAP antibody [RM1080] (<a href='/en-us/products/primary-antibodies/fap-antibody-rm1080-ab314456'>ab314456</a>) at 1/1000 dilution

Lane 1:

Wild-type U-87 MG at 20 µg

Lane 2:

Western blot - Human FAP knockout U-87 MG cell line (ab306819) at 20 µg

Lane 3:

WI-38 at 20 µg

Lane 4:

A549 at 20 µg

Secondary

All lanes:

Goat anti-Rabbit 800CW & Goat anti-Mouse 680RD at 1/20000 dilution

Predicted band size: 88 kDa

Observed band size: 90-100 kDa,36 kDa

false

Western blot - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)
  • WB

Supplier Data

Western blot - Anti-FAP antibody [RM1080] - BSA and Azide free (AB314457)

This data was developed using ab314456, the same antibody clone in a different buffer formulation. Blocking and diluting buffer and concentration : 5% NFDM/TBST Negative control : Jurkat. Samples are non-boiled as boiling may cause protein aggregation. In Western blot, Anti-GAPDH antibody [EPR16891] - Loading Control (ab181602) staining at 1/200000 dilution.

All lanes:

Western blot - Anti-FAP antibody [RM1080] (<a href='/en-us/products/primary-antibodies/fap-antibody-rm1080-ab314456'>ab314456</a>) at 1/1000 dilution

Lane 1:

HFF-1 (human skin fibroblast) whole cell lysate at 20 µg

Lane 2:

IMR-90 (human lung fibroblast) whole cell lysate at 20 µg

Lane 3:

WI-38 (human fetal lung fibroblast) whole cell lysate at 20 µg

Lane 4:

Jurkat (human T cell leukemia T lymphocyte from peripheral blood) whole cell lysate at 20 µg

Secondary

All lanes:

Western blot - Goat Anti-Rabbit IgG H&L (HRP) (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-hrp-ab97051'>ab97051</a>) at 1/20000 dilution

Observed band size: 95 kDa

false

Exposure time: 37s

Key facts

Host species

Rabbit

Clonality

Multiclonal

Clone number

RM1080

Isotype

IgG

Carrier free

Yes

Reacts with

Human

Applications

WB, IHC-P, ICC/IF

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

Reactivity data

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Product details

ab314457 is the carrier-free version of ab314456.

What are recombinant multiclonals?
Recombinant multiclonals are a mixture of recombinant antibodies co-expressed from a library of heavy and light chains. They offer several advantages including:

  • - The sensitivity of polyclonal antibodies by recognising multiple epitopes
  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

View our range of recombinant multiclonal antibodies.

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

Conjugation ready
Our carrier-free antibodies are typically supplied in a PBS-only formulation, purified and free of BSA, sodium azide and glycerol. This conjugation-ready format is designed for use with fluorochromes, metal isotopes, oligonucleotides, and enzymes, which makes them ideal for antibody labelling, functional and cell-based assays, flow-based assays (e.g. mass cytometry) and Multiplex Imaging applications.

Use our conjugation kits for antibody conjugates that are ready-to-use in as little as 20 minutes with 1 minute hands-on-time and 100% antibody recovery: available for fluorescent dyes, HRP, biotin and gold.

Compatibility
This product is compatible with the Maxpar® Antibody Labeling Kit from Fluidigm, without the need for antibody preparation. Maxpar® is a trademark of Fluidigm Canada Inc.

Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.2 - 7.4 Constituents: PBS
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.

FAP also known as fibroblast activation protein alpha or seprase is a serine protease with a mass of approximately 97 kDa. It is largely expressed in embryonic tissues certain carcinomas and tissue remodeling sites. FAP acts mechanistically by exhibiting dipeptidyl peptidase and endopeptidase activities breaking down peptide chains. Cellular membrane-bound FAP localizes mainly on reactive stromal fibroblasts not normal tissues making it an interesting target for research.
Biological function summary

FAP plays a role in tissue remodeling and wound healing influencing the microenvironment of tumors and fibrotic tissues. It contributes to extracellular matrix degradation participating in the complex network of proteases. FAP is not a standalone unit but part of a larger complex that interacts with other proteases helping in cell migration and invasion. As a result its activity impacts processes like inflammation and carcinogenesis.

Pathways

FAP participates in processes related to tissue repair and cancer progression. Significant pathways include the degradation of the extracellular matrix and the PI3K/AKT signaling. It functions alongside proteins like DPP4 another dipeptidyl peptidase in these pathways. The matrix breakdown is central to cancer metastasis and wound healing enhancing our understanding of FAP's role in larger biological contexts.

FAP has links with cancer and fibrosis. Its expression correlates with aggressive tumors and poor prognosis in cancers such as breast and ovarian. In fibrotic diseases like pulmonary and liver fibrosis it contributes to excessive matrix deposition and tissue stiffening. FAP's involvement alongside collagenases in these disorders makes it a target of potential therapeutic interest.

Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:

Target data

Cell surface glycoprotein serine protease that participates in extracellular matrix degradation and involved in many cellular processes including tissue remodeling, fibrosis, wound healing, inflammation and tumor growth. Both plasma membrane and soluble forms exhibit post-proline cleaving endopeptidase activity, with a marked preference for Ala/Ser-Gly-Pro-Ser/Asn/Ala consensus sequences, on substrate such as alpha-2-antiplasmin SERPINF2 and SPRY2 (PubMed : 14751930, PubMed : 16223769, PubMed : 16410248, PubMed : 16480718, PubMed : 17381073, PubMed : 18095711, PubMed : 21288888, PubMed : 24371721). Degrade also gelatin, heat-denatured type I collagen, but not native collagen type I and IV, vitronectin, tenascin, laminin, fibronectin, fibrin or casein (PubMed : 10347120, PubMed : 10455171, PubMed : 12376466, PubMed : 16223769, PubMed : 16651416, PubMed : 18095711, PubMed : 2172980, PubMed : 7923219, PubMed : 9065413). Also has dipeptidyl peptidase activity, exhibiting the ability to hydrolyze the prolyl bond two residues from the N-terminus of synthetic dipeptide substrates provided that the penultimate residue is proline, with a preference for Ala-Pro, Ile-Pro, Gly-Pro, Arg-Pro and Pro-Pro (PubMed : 10347120, PubMed : 10593948, PubMed : 16175601, PubMed : 16223769, PubMed : 16410248, PubMed : 16651416, PubMed : 17381073, PubMed : 21314817, PubMed : 24371721, PubMed : 24717288). Natural neuropeptide hormones for dipeptidyl peptidase are the neuropeptide Y (NPY), peptide YY (PYY), substance P (TAC1) and brain natriuretic peptide 32 (NPPB) (PubMed : 21314817). The plasma membrane form, in association with either DPP4, PLAUR or integrins, is involved in the pericellular proteolysis of the extracellular matrix (ECM), and hence promotes cell adhesion, migration and invasion through the ECM. Plays a role in tissue remodeling during development and wound healing. Participates in the cell invasiveness towards the ECM in malignant melanoma cancers. Enhances tumor growth progression by increasing angiogenesis, collagen fiber degradation and apoptosis and by reducing antitumor response of the immune system. Promotes glioma cell invasion through the brain parenchyma by degrading the proteoglycan brevican. Acts as a tumor suppressor in melanocytic cells through regulation of cell proliferation and survival in a serine protease activity-independent manner.
See full target information FAP

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