Skip to main content

Human YKL-40 Antibody Pair - BSA and Azide free is a kit containing recombinant capture and detector antibodies in a carrier-free formulation for the measurement of Human YKL-40.

Be the first to review this product! Submit a review

Images

Sandwich ELISA - Human YKL-40 Antibody Pair - BSA and Azide free (AB256754), expandable thumbnail
  • Sandwich ELISA - Human YKL-40 Antibody Pair - BSA and Azide free (AB256754), expandable thumbnail

Key facts

Reactive species

Human

Range

23.44 - 1500 pg/mL

Reactivity data

Application

sELISA

Reactivity

Reacts

Dilution info

-

Notes

-

Associated Products

Select an associated product type

1 product for Alternative Version

Target data

Function

Carbohydrate-binding lectin with a preference for chitin. Has no chitinase activity. May play a role in tissue remodeling and in the capacity of cells to respond to and cope with changes in their environment. Plays a role in T-helper cell type 2 (Th2) inflammatory response and IL-13-induced inflammation, regulating allergen sensitization, inflammatory cell apoptosis, dendritic cell accumulation and M2 macrophage differentiation. Facilitates invasion of pathogenic enteric bacteria into colonic mucosa and lymphoid organs. Mediates activation of AKT1 signaling pathway and subsequent IL8 production in colonic epithelial cells. Regulates antibacterial responses in lung by contributing to macrophage bacterial killing, controlling bacterial dissemination and augmenting host tolerance. Also regulates hyperoxia-induced injury, inflammation and epithelial apoptosis in lung.

Alternative names

What's included?

10 x 96 Tests
Components
Human YKL-40 Capture Antibody (unconjugated)
1 x 100 µg
Human YKL-40 Detector Antibody (unconjugated)
1 x 100 µg

Recommended products

Human YKL-40 Antibody Pair - BSA and Azide free is a kit containing recombinant capture and detector antibodies in a carrier-free formulation for the measurement of Human YKL-40.

Key facts

Reactive species

Human

Range

23.44 - 1500 pg/mL

Storage

Shipped at conditions

Blue Ice

Appropriate short-term storage conditions

+4°C

Appropriate long-term storage conditions

+4°C

Storage information

+4°C

Notes

The Antibody Pair can be used to quantify Human YKL-40. BSA and Azide free antibody pairs include unconjugated capture and detector antibodies suitable for sandwich ELISAs. The antibodies are provided at an approximate concentration of 1 mg/ml as measured by the protein A280 method. The recommended antibody orientation is based on internal optimization for ELISA-based assays. Antibody orientation is assay dependent and needs to be optimized for each assay type. Both capture and detector antibodies are rabbit monoclonal antibodies delivering consistent, specific, and sensitive results.

For additional information on the performance of the antibody pair, see the equivalent SimpleStep ELISA® Kit (Human YKL-40 ELISA Kit ab255719), which uses the same antibodies. However, due to differences in their formulation, this antibody pair cannot be used with the consumables provided with our SimpleStep ELISA Kits. Please note that the range provided for the pairs is only an estimation based on the performance of the related product using the same antibody pair. Performance of the antibody pair will depend on the specific characteristics of your assay. We guarantee the product works in sandwich ELISA, but we do not guarantee the sensitivity or dynamic range of the antibody pair in your assay.

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

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.

The pair can be used in variety of assays and platforms including but not limited to:


  • Sandwich ELISA

  • FRET/TR-FRET/HTRF

  • Meso Scale Discovery® (MSD®)

  • Bead-based assays

  • AlphaLISA®/AlphaScreen®

  • DELFIA® immunoassays

  • Simoa® and Single Molecule Counting (SMC™) immunoassays

  • Multiplex

Our antibody pairs are supplied in a carrier-free format that is conjugation-ready:


  • Buffer free of BSA, sodium azide, and glycerol for higher conjugation efficiency.

  • Concentration of ~1 mg/ml as measured by the protein A280 method.

We can label antibodies for you: get in touch today to discuss how we can help accelerate your assay development with custom conjugation services.

Pairs are screened in biological samples, including plasma and serum, to ensure specificity in complex samples.

Please note:

The recommended antibody orientation is based on internal optimization in sandwich ELISA. Antibody orientation is assay dependent and needs to be optimized for each assay type.

The range provided for this antibody pair is based on initial sandwich ELISA validation data using recombinant protein. Performance and range of the antibody pair will depend on the specific characteristics of your assay, including standard protein selection.

We guarantee the product works in sandwich ELISA, but we do not guarantee the sensitivity or dynamic range of the antibodies in other assays.

Antibody properties:

Capture antibody: recombinant rabbit monoclonal (unconjugated) – 100 µg

Detector antibody: recombinant rabbit monoclonal (unconjugated) - 100 µg

Concentration: ~1 mg/ml

Storage buffer: 100% PBS

Form: Liquid

Isotype: IgG

Recombinant monoclonal antibodies offer several advantages including:

- High batch-to-batch consistency and reproducibility

- Improved sensitivity and specificity

- Long-term security of supply

- Animal-free production

Meso Scale Discovery and MSD are registered trademarks of Meso Scale Diagnostics, LLC.

AlphaLISA, AlphaScreen, and DELFIA are registered trademarks of PerkinElmer, Inc.

Simoa is a registered trademark of Quanterix, Inc.

SMC is a registered trademark of Merck KGaA, Darmstadt, Germany.

Supplementary info

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

Activity summary

YKL-40 also known as chitinase-3-like protein 1 (CHI3L1) is a glycoprotein with a molecular weight of approximately 40 kDa. Scientists often study it for its roles in inflammatory processes. It has expressions in numerous tissues including liver cartilage and the central nervous system. The CHI3L1 protein does not possess chitinase activity unlike other members of the chitinase family yet it interacts with various ligands to influence cellular behavior.

Biological function summary

YKL-40 plays significant roles in tissue remodeling and inflammation. It does not form part of a larger complex by itself but influences several cellular processes. This protein affects cell proliferation migration and survival making it involved in both normal physiological processes and pathological conditions. CHI3L1 also exhibits a connection to the immune response where it modulates macrophage activity and interacts with other immune cells.

Pathways

YKL-40 is integral to the inflammatory and extracellular matrix pathways. It associates with proteins such as interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-α) influencing signaling cascades that modulate inflammation. Through these interactions CHI3L1 becomes a mediator of connective tissue metabolism and immune reactions in various pathophysiological states.

Associated diseases and disorders

YKL-40 shows strong links to conditions like osteoarthritis and certain cancers. In osteoarthritis elevated levels of CHI3L1 reflect increased cartilage degradation while in oncology it correlates with tumor angiogenesis and metastasis potential. Its connection with proteins such as matrix metalloproteinases highlights its role in disease mechanisms highlighting its potential as a biomarker for early detection and disease progression monitoring.

Product promise

We are dedicated to supporting your work with high quality reagents and we are here for you every step of the way should you need us.

In the unlikely event of one of our products not working as expected, you are covered by our product promise.

Full details and terms and conditions can be found here:
Terms & Conditions.

2 product images

  • Sandwich ELISA - Human YKL-40 Antibody Pair - BSA and Azide free (ab256754), expandable thumbnail

    Sandwich ELISA - Human YKL-40 Antibody Pair - BSA and Azide free (ab256754)

    Representative standard curve from corresponding SimpleStep ELISA® Kit (Human YKL-40 ELISA Kit ab255719), which uses the same antibody pair. For additional information on the performance of pair and kit, refer to the corresponding kit datasheet. Due to differences in the formulation and format of the antibodies in this pair, they cannot be used as substitutes for the antibody components in our SimpleStep ELISA® Kits.

  • Sandwich ELISA - Human YKL-40 Antibody Pair - BSA and Azide free (ab256754), expandable thumbnail

    Sandwich ELISA - Human YKL-40 Antibody Pair - BSA and Azide free (ab256754)

    Representative standard curve from corresponding SimpleStep ELISA® Kit (Human YKL-40 ELISA Kit ab255719), which uses the same antibody pair. For additional information on the performance of pair and kit, refer to the corresponding kit datasheet. Due to differences in the formulation and format of the antibodies in this pair, they cannot be used as substitutes for the antibody components in our SimpleStep ELISA® Kits.

Downloads

Product protocols

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

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

For licensing inquiries, please contact partnerships@abcam.com