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Mouse TSLP Quantikine ELISA Kit

R&D Systems, part of Bio-Techne | Catalog # MTLP00

R&D Systems, part of Bio-Techne
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MTLP00

Key Product Details

Assay Length

4.5 hours

Sample Type & Volume Required Per Well

Cell Culture Supernates (50 µL), Serum (50 µL), EDTA Plasma (50 µL), Heparin Plasma (50 µL)

Sensitivity

6.3 pg/mL

Assay Range

7.8-500 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma)

Product Summary for Mouse TSLP Quantikine ELISA Kit

The Quantikine Mouse TSLP Immunoassay is a 4.5 hour solid-phase ELISA designed to measure mouse TSLP in cell culture supernates, mouse serum, and plasma. It contains NS0-expressed recombinant mouse TSLP and antibodies raised against the recombinant factor. This immunoassay has been shown to accurately quantitate the recombinant factor. Results obtained using natural mouse TSLP showed linear curves that were parallel to the standard curves obtained using the Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for naturally occurring mouse TSLP.

Product Specifications

Assay Type

Solid Phase Sandwich ELISA

Format

96-well strip plate

Measurement

Quantitative ELISA

Detection Method

Colorimetric - 450nm (TMB)

Conjugate

HRP

Reactivity

Mouse

Specificity

Natural and recombinant mouse TSLP

Cross-reactivity

< 0.5% cross-reactivity observed with available related molecules. < 50% cross-species reactivity observed with species tested.

Interference

No significant interference observed with available related molecules.

Precision

Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested on one plate to assess intra-assay precision.

Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in separate assays to assess inter-assay precision.

Cell Culture Supernates, EDTA Plasma, Heparin Plasma, Serum

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 31 31 31
Mean (pg/mL) 45 70 167 50 84 189
Standard Deviation 2.5 3.2 8.5 3.8 8.2 12.9
CV% 5.6 4.6 5.1 7.6 9.8 6.8

Recovery for Mouse TSLP Quantikine ELISA Kit

The recovery of mouse TSLP spiked to three levels throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Supernates (n=6) 103 93-114
EDTA Plasma (n=4) 94 80-108
Heparin Plasma (n=5) 96 89-119
Serum (n=5) 92 87-101

Linearity

To assess the linearity of the assay, samples spiked with high concentrations of mouse TSLP in each matrix were diluted with Calibrator Diluent and then assayed.

Mouse TSLP ELISA Linearity

Scientific Data Images for Mouse TSLP Quantikine ELISA Kit

Mouse TSLP ELISA Standard Curve

Mouse TSLP ELISA Standard Curve

Preparation and Storage

Shipping

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

Stability & Storage

Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: TSLP

Thymic Stromal Lymphopoietin (TSLP) was originally identified as an activity from the conditioned medium of a mouse thymic stromal cell line that promoted the development of B cells. The activities of mouse TSLP overlap with, but are distinct from, those of mouse IL-7. Both mouse TSLP and IL-7 can co-stimulate growth of thymocytes and mature T cells, and support B lymphopoiesis in long-term cultures of fetal liver cells and bone-marrow cells. Whereas mouse IL-7 facilitates the development of B220+/IgM- pre-B cells, mouse TSLP promotes the development B220+/IgM+ B cells. Human TSLP was reported to preferentially stimulate myeloid cells, inducing the release of T cell-attracting chemokines from monocytes and enhancing the maturation of CD11c+ dendritic cells. Human TSLP cDNA encodes a 159 amino acid (aa) residue precursor protein with a 28 aa signal sequence. Within the mature region, six of the seven cysteine residues present in the mouse TSLP involved in intramolecular disulfide bond formation are conserved in the human TSLP. Human TSLP shares approximately 43% aa sequence identity with mouse TSLP. By Northern blot analysis, human TSLP expression has been detected in many tissues with the highest expressions in heart, liver, testis and prostate. TSLP signals through a heterodimeric receptor complex that consists of IL-7 R alpha and the TSLP R, a member of the hemopoietin receptor family most closely related to Rgammac.

TSLP R, also named Delta and CRLM-2 (Cytokine Receptor-like Module-2), was originally cloned as a novel type 1 cytokine receptor with similarity to the common gamma chain (gamma c). It was subsequently identified as a subunit of the cellular receptor for the IL-7-like cytokine TSLP and termed TSLP R. TSLP R shows 24% sequence identity with the mouse gc receptor. TSLP R expression is constitutive in immune and hematopoietic cells, but is up-regulated in Th2 cells.

Long Name

Thymic Stromal Lymphopoietin

Alternate Names

thymic stromal lymphopoietin

Entrez Gene IDs

85480 (Human); 53603 (Mouse); 102119254 (Cynomolgus Monkey)

Gene Symbol

TSLP

Additional TSLP Products

Product Documents for Mouse TSLP Quantikine ELISA Kit

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Mouse TSLP Quantikine ELISA Kit

For research use only

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⚠ WARNING: This product can expose you to chemicals including N,N-Dimethylforamide, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.