Porcine TIMP-4 ELISA Kit (Chemiluminescence)

Name: Porcine TIMP-4 ELISA Kit (Chemiluminescence)
Brand: Novus Biologicals
SKU: NBP3-42681

Novus Biologicals, part of Bio-Techne | Catalog # NBP3-42681

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Product Specifications
Precision
Recovery
Kit Contents
Preparation & Storage
Background
Product Documents
Specific Notices

Key Product Details

Sample Type & Volume Required Per Well

Serum, Plasma and other biological fluids (100 uL)

Sensitivity

6.4 pg/mL

Assay Range

13.7 - 10000 pg/mL

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Product Specifications

Assay Type

Sandwich ELISA

Kit Type

ELISA Kit (Chemiluminescence)

Reactivity

Porcine

Description

Assay time: 2 hours, 40 minutes

Precision

Intra-Assay Precision (Precision within an assay) %CV < 10

Inter-Assay Precision (Precision between assays) %CV < 12

Recovery for Porcine TIMP-4 ELISA Kit (Chemiluminescence)

Recovery

79 - 97%

Kit Contents for Porcine TIMP-4 ELISA Kit (Chemiluminescence)

Assay Diluent A
Assay Diluent B
Detection Reagent A
Detection Reagent B
Instruction manual
Plate sealer for 96 wells
Pre-coated ready to use 96-well strip plate
Standard
Standard Diluent
Substrate A
Substrate B
Wash Buffer (30 x concentrate)

Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Storage of components varies. See protocol for specific instructions.

Background: TIMP-4

The tissue inhibitors of metalloproteinases (TIMPs) are naturally occurring proteins that specifically inhibit matrix metalloproteinases and regulate extracellular matrix turnover and tissue remodeling by forming tight binding inhibitory complexes with the MMPs. Thus, TIMPs maintain the balance between matrix destruction and formation. An imbalance between MMPs and the associated TIMPs may play a significant role in the invasive phenotype of malignant tumors. The TIMP proteins share several structural features including six loops held in place by six disulfide bonds arranged in three knot-like structures. These proteins also contain twelve cysteine residues in conserved regions of the molecule that form six disulfide bonds, essential for the formation of native conformations, and the N terminal region that is necessary for inhibitory activities. The N terminus of each TIMP contains a consensus sequence (VIRAK) and each TIMP is translated with a 29 amino acid leader sequence that is cleaved off to produce the mature protein. The C terminal regions are divergent, which enhances the selectivity of inhibition and binding efficiency. Although the TIMP proteins share high homology, they may either be secreted extracellularly in soluble form (TIMP1, TIMP2 and TIMP4) or bind to extracellular matrix components (TIMP3). The MMPs and TIMPs can be divided into two groups with respect to gene expression: the majority exhibit inducible expression and a small number are produced constitutively or are expressed at very low levels and are not inducible. Among agents that induce MMP and TIMP production are the inflammatory cytokines TNF alpha and IL1 beta. A marked cell type specificity is a hallmark of both MMP and TIMP gene expression (i.e. a limited number of cell types can be induced to make these proteins). Tissue Inhibitor of Metalloproteinases 4 (TIMP4) was identified by molecular cloning. TIMP4 shows 37 % amino acid identity with TIMP1 and 51 % homology with TIMP2 and TIMP3. TIMP4 is secreted extracellularly, predominantly in heart and brain tissue. It may function in a tissue specific fashion in extracellular matrix (ECM) homeostasis. TIMP4 has a strong inhibitory effect on the invasion of human breast cancer cells across reconstituted basement membranes suggesting that TIMP4 may have an important role in inhibiting primary tumor growth and progression. The human TIMP4 gene has the chromosomal location of 3p25.

Long Name

Tissue Inhibitors of Metalloproteinases 4

Alternate Names

TIMP4

Gene Symbol