Mouse Serine protease HTRA1(HTRA1) ELISA kit

Code CSB-EL010901MO
Size 96T,5×96T,10×96T
Trial Size 24T ELISA kits trial application
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Product Details

Target Name HtrA serine peptidase 1
Alternative Names Htra1 ELISA Kit; Htra ELISA Kit; Prss11 ELISA Kit; Serine protease HTRA1 ELISA Kit; EC 3.4.21.- ELISA Kit; High-temperature requirement A serine peptidase 1 ELISA Kit; Serine protease 11 ELISA Kit
Abbreviation HTRA1
Uniprot No. Q9R118
Species Mus musculus (Mouse)
Sample Types serum, plasma, tissue homogenates
Detection Range 78 pg/mL-5000 pg/mL
Sensitivity 19.5 pg/mL
Assay Time 1-5h
Sample Volume 50-100ul
Detection Wavelength 450 nm
Research Area Signal Transduction
Assay Principle quantitative
Measurement Sandwich
Intra-assay Precision (Precision within an assay): CV%<8%
Three samples of known concentration were tested twenty times on one plate to assess.
Inter-assay Precision (Precision between assays): CV%<10%
Three samples of known concentration were tested in twenty assays to assess.
To assess the linearity of the assay, samples were spiked with high concentrations of mouse HTRA1 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
  Sample Serum(n=4)
1:1 Average % 89
Range % 85-93
1:2 Average % 95
Range % 90-100
1:4 Average % 91
Range % 86-95
1:8 Average % 97
Range % 92-101
The recovery of mouse HTRA1 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.
Sample Type Average % Recovery Range
Serum (n=5) 104 100-110
EDTA plasma (n=4) 93 89-97
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
pg/ml OD1 OD2 Average Corrected
5000 2.635 2.492 2.564 2.374
2500 2.001 1.903 1.952 1.762
1250 1.329 1.357 1.343 1.153
625 0.814 0.860 0.837 0.647
312 0.547 0.519 0.533 0.343
156 0.352 0.338 0.345 0.155
78 0.263 0.271 0.267 0.077
0 0.186 0.194 0.190  
and FAQs
Storage Store at 2-8°C. Please refer to protocol.
Lead Time 7-14 working days

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Target Data

Function Serine protease with a variety of targets, including extracellular matrix proteins such as fibronectin. HTRA1-generated fibronectin fragments further induce synovial cells to up-regulate MMP1 and MMP3 production. May also degrade proteoglycans, such as aggrecan, decorin and fibromodulin. Through cleavage of proteoglycans, may release soluble FGF-glycosaminoglycan complexes that promote the range and intensity of FGF signals in the extracellular space. Regulates the availability of insulin-like growth factors (IGFs) by cleaving IGF-binding proteins. Inhibits signaling mediated by TGF-beta family members. This activity requires the integrity of the catalytic site, but it is unclear whether it leads to the proteolytic degradation of TGF-beta proteins themselves
Gene References into Functions
  1. transfection of cells with a constitutively active rapamycin-resistant p70S6K mutant could restore the mineralizing capacity of HtrA1-deficient mouse adipose-derived stromal cells. PMID: 26950191
  2. HtrA1 plays important roles in the differentiation of trophoblasts from Tpbpa-positive precursors in the ectoplacental cone PMID: 25446274
  3. The HtrA1 overexpression and mainstream cigarette smoke can independently lead to CNV. The HtrA1 gene is a strong risk factor for wet AMD PMID: 25205867
  4. the inhibitory effect of IFN-gamma on HTRA1 expression was evidenced in collagen-induced arthritis (CIA) mouse models and in human RA synovial cells. PMID: 24907345
  5. Serine protease HTRA1 antagonizes transforming growth factor-beta signaling by cleaving its receptors and loss of HTRA1 in vivo enhances bone formation. PMID: 24040176
  6. This study offers new insights into the regulation of HTRA-1 expression via LPS/TLR-4 and the role of HTRA-1 in rheumatoid arthrisis pathogenesis. PMID: 23982886
  7. suggest a critical role for LRP1 in maintaining the integrity of vessels by regulating protease activity as well as matrix deposition by modulating HtrA1 and connective tissue growth factor protein levels. PMID: 23868935
  8. a critical role of HTRA1 in the regulation of angiogenesis via TGF-beta signaling and identified GDF6 as a novel disease gene for AMD. PMID: 22049084
  9. showed that increased HTRA1 induced cardinal features of polypoidal choroidal vasculopathy, including branching networks of choroidal vessels, polypoidal lesions, severe degeneration of the elastic laminae, and tunica media of choroidal vessels PMID: 21844367
  10. HtrA1 may disrupt the pericellular matrix network, resulting in alteration of chondrocyte metabolisms. This eventually leads to osteoarthritis. PMID: 20238298
  11. HtrA1 has a role in promoting anoikis by attenuating activation of EGFR/AKT pathway that may contribute to its metastasis suppression capacity PMID: 20388781
  12. During embryo development, HtrA1 was expressed in specific areas where signaling by Tgfbeta family proteins plays important regulatory roles PMID: 14973287
  13. HtrA1 as a protease potentially important for trophoblast differentiation/invasion and uterine decidual regression during placental development PMID: 15861393
  14. bone matrix shows a high level of HtrA1 protein deposition akin to that of TGF-beta, suggesting a close functional interaction between TGF-beta and HtrA1 PMID: 15993670
  15. highly upregulated during mucosal mast cell differentiation PMID: 17292962
  16. HtrA1 and PRSS35 may be involved in ovulation and corpus luteum formation and regression, and that PRSS23 may play a role in follicular atresia PMID: 18566130

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Subcellular Location Cell membrane, Secreted, Cytoplasm, cytosol
Protein Families Peptidase S1C family
Tissue Specificity In the brain, mainly expressed in cortical areas both in glial cells and neurons (at protein level). In bones, deposited in the matrix, with higher level in newly formed bone compared to fully calcified bone (at protein level). Also expressed in the tendo
Database Links

KEGG: mmu:56213

STRING: 10090.ENSMUSP00000006367

UniGene: Mm.30156


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