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AB314853

Human CD5 ELISA Kit - Extracellular

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Human CD5 ELISA Kit - Extracellular is a single-wash 90-min Simplestep used to quantify Human CD5 with a sensitivity of 2.131 pg/ml. The assay uses a simple mix-wash-read protocol with just one incubation and one wash step.

- Colorimetric Sandwich ELISA - 450 nm readout : works on any standard plate reader

View Alternative Names

CD5, LEU1, T-cell surface glycoprotein CD5, Lymphocyte antigen T1/Leu-1

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Sandwich ELISA - Human CD5 ELISA Kit - Extracellular (AB314853)
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Supplier Data

Sandwich ELISA - Human CD5 ELISA Kit - Extracellular (AB314853)

Example of human CD5 standard curve. Background-subtracted data values (mean +/- SD) are graphed.

Sandwich ELISA - Human CD5 ELISA Kit - Extracellular (AB314853)
  • sELISA

Supplier Data

Sandwich ELISA - Human CD5 ELISA Kit - Extracellular (AB314853)

Recombinant CD5 was spiked into the following human samples and diluted in a 2-fold dilution series in Sample Diluent NS. Undiluted samples are 50% serum, plasma (citrate), plasma (EDTA), plasma (heparin), and Molt-4 supernatant. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2).

Key facts

Detection method

Colorimetric

Sample types

Serum, Heparin Plasma, Citrate plasma, EDTA Plasma, Cell culture supernatant

Reacts with

Human

Assay type

Sandwich

Results type

Quantitative

Sensitivity

= 2.131 pg/mL

Range

10.156 - 650 pg/mL

Assay time

1h 30m

Assay Platform

Pre-coated microplate (12 x 8 well strips)

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Complementary Products

Primary Antibodies

AB16699

Anti-CD5 antibody [SP19]

BOND RX™ Validated|RabMAb|Recombinant|20ul selling size

Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-CD5 antibody [SP19] (AB16699)

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "sELISA": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }
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Product details

Human CD5 SimpleStep ELISA® kit is a single-wash 90 min sandwich ELISA designed for the quantitative measurement of CD5 protein in Tissue extracts, Cell Lysate. Quantitate Human CD5 with 2.9 pg/ml sensitivity.

SimpleStep ELISA® technology employs capture antibodies conjugated to an affinity tag that is recognized by the monoclonal antibody used to coat our SimpleStep ELISA® plates. This approach to sandwich ELISA allows the formation of the antibody-analyte sandwich complex in a single step, significantly reducing assay time. See the SimpleStep ELISA® protocol summary in the image section for further details. Our SimpleStep ELISA® technology provides several benefits:

-Single-wash protocol reduces assay time to 90 minutes or less
        -High sensitivity, specificity and reproducibility from superior antibodies
        -Fully validated in biological samples
        -96-wells plate breakable into 12 x 8 wells strips

A 384-well SimpleStep ELISA® microplate (ab203359) is available to use as an alternative to the 96-well microplate provided with SimpleStep ELISA® kits.

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Precision

[ { "reproducibilityType": "Intra", "sample": "Supernatant", "replicates": 8, "mean": null, "standardDeviation": null, "coefficientOfVariability": "9.1" }, { "reproducibilityType": "Inter", "sample": "Supernatant", "replicates": 3, "mean": null, "standardDeviation": null, "coefficientOfVariability": "4.1" } ]
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Recovery

[ { "sample": "Serum", "range": "96 - 101 %", "average": "= 99" }, { "sample": "Heparin Plasma", "range": "79 - 103 %", "average": "= 91" }, { "sample": "Citrate plasma", "range": "73 - 109 %", "average": "= 90" }, { "sample": "EDTA Plasma", "range": "79 - 101 %", "average": "= 92" }, { "sample": "Cell culture supernatant", "range": "89 - 117 %", "average": "= 104" } ]
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What's included?

{ "values": { "1x96Tests": { "sellingSize": "1 x 96 Tests", "publicAssetCode":"ab314853-1x96Tests", "assetComponentDetails": [ { "size":"1 x 12 mL", "name":"Stop Solution", "number":"AB314853-CMP08", "productcode":"" }, { "size":"1 x 20 mL", "name":"10X Wash Buffer PT (ab206977)", "number":"AB314853-CMP05", "productcode":"" }, { "size":"1 x 12 mL", "name":"TMB Development Solution", "number":"AB314853-CMP07", "productcode":"" }, { "size":"2 x 1 Vial", "name":"Human CD5 Lyophilized Recombinant Protein", "number":"AB314853-CMP03", "productcode":"" }, { "size":"1 x 12 mL", "name":"Sample Diluent NS (ab193972)", "number":"AB314853-CMP06", "productcode":"" }, { "size":"1 x 6 mL", "name":"Antibody Diluent 4BI", "number":"AB314853-CMP04", "productcode":"" }, { "size":"1 x 600 µL", "name":"10X Human CD5 Capture Antibody", "number":"AB314853-CMP01", "productcode":"" }, { "size":"1 x 600 µL", "name":"10X Human CD5 Detector Antibody", "number":"AB314853-CMP02", "productcode":"" }, { "size":"1 x 1 Unit", "name":"SimpleStep Pre-Coated 96-Well Microplate (ab206978)", "number":"AB314853-CMP09", "productcode":"" }, { "size":"1 x 1 Unit", "name":"Plate Seals", "number":"AB314853-CMP10", "productcode":"" } ] } } }
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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
+4°C
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

CD5 also known as T1 or Leu-1 is a glycoprotein with a molecular mass of approximately 67 kDa. It is expressed mainly on the surface of T cells and a subset of B cells. CD5 plays a major role in the regulation of immune responses. It functions by modulating T-cell receptor (TCR) signaling often acting as a negative regulator to prevent excessive immune activation. Researchers often utilize CD5 antibodies such as those conjugated with PerCP for immunohistochemistry (IHC) to study this protein's expression and distribution.
Biological function summary

CD5 is essential in the immune system's ability to maintain tolerance to self-antigens thereby preventing autoimmune responses. CD5 forms part of a receptor complex on the cell surface that interacts with ligands and other receptors to fine-tune immune cell signaling. Its localization and function in T cells relate closely to its ability to modulate signaling pathways essential for cell survival and proliferation. This modulation is important for ensuring that immune responses are appropriate to the stimuli encountered.

Pathways

CD5 is involved in signal transduction processes important for immune tolerance and modulation. It intersects with pathways like the T cell receptor (TCR) signaling pathway and the NF-kB signaling pathway. These pathways involve interaction with proteins like Zap70 a tyrosine kinase related to TCR signaling and the downstream activation of transcription factors that regulate immune responses. The protein CRIS1 also appears in some pathway interactions highlighting the interconnected nature of immune regulatory proteins.

CD5 has significant associations with autoimmune diseases such as systemic lupus erythematosus (SLE) where its modulatory role can affect autoantibody production. Additionally CD5 in conjunction with proteins like OX19 correlates with certain lymphoproliferative disorders including chronic lymphocytic leukemia (CLL). In these disorders the expression and function of CD5 may impact disease progression and patient response to therapy making it a potential target for intervention in immune-related conditions.
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Product protocols

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Target data

Lymphoid-specific receptor expressed by all T-cells and in a subset of B-cells known as B1a cells. Plays a role in the regulation of TCR and BCR signaling, thymocyte selection, T-cell effector differentiation and immune tolerance. Acts by interacting with several ligands expressed on B-cells such as CD5L or CD72 and thereby plays an important role in contact-mediated, T-dependent B-cell activation and in the maintenance of regulatory T and B-cell homeostasis. Functions as a negative regulator of TCR signaling during thymocyte development by associating with several signaling proteins including LCK, CD3Z chain, PI3K or CBL (PubMed : 1384049, PubMed : 1385158). Mechanistically, co-engagement of CD3 with CD5 enhances phosphorylated CBL recruitment leading to increased VAV1 phosphorylation and degradation (PubMed : 23376399). Modulates B-cell biology through ERK1/2 activation in a Ca(2+)-dependent pathway via the non-selective Ca(2+) channel TRPC1, leading to IL-10 production (PubMed : 27499044).
See full target information CD5
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Product promise

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