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ELISA Kit for Parathyroid Hormone Related Protein (PTHrP)
PTHLH; HHM; PTHR; PLP; Osteostatin; Parathyroid Hormone Like Hormone
- Product No.CEA819Hu
- Organism SpeciesHomo sapiens (Human) Same name, Different species.
- Sample Typeserum, plasma, tissue homogenates, cell lysates, cell culture supernates and other biological fluids
- Test MethodCompetitive Inhibition
- Assay Length2h
- Detection Range12.35-1,000pg/mL
- SensitivityThe minimum detectable dose of this kit is typically less than 4.54pg/mL.
- DownloadInstruction Manual
- UOM 48T96T 96T*5 96T*10 96T*100
- FOB
US$ 441
US$ 630
US$ 2835
US$ 5355
US$ 44100
For more details, please contact local distributors!
Specificity
This assay has high sensitivity and excellent specificity for detection of Parathyroid Hormone Related Protein (PTHrP).
No significant cross-reactivity or interference between Parathyroid Hormone Related Protein (PTHrP) and analogues was observed.
Recovery
Matrices listed below were spiked with certain level of recombinant Parathyroid Hormone Related Protein (PTHrP) and the recovery rates were calculated by comparing the measured value to the expected amount of Parathyroid Hormone Related Protein (PTHrP) in samples.
| Matrix | Recovery range (%) | Average(%) |
| serum(n=5) | 89-97 | 93 |
| EDTA plasma(n=5) | 78-102 | 89 |
| heparin plasma(n=5) | 87-94 | 90 |
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Parathyroid Hormone Related Protein (PTHrP) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Parathyroid Hormone Related Protein (PTHrP) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%
Linearity
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Parathyroid Hormone Related Protein (PTHrP) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
| Sample | 1:2 | 1:4 | 1:8 | 1:16 |
| serum(n=5) | 85-104% | 85-99% | 96-105% | 80-94% |
| EDTA plasma(n=5) | 93-105% | 83-95% | 84-91% | 80-95% |
| heparin plasma(n=5) | 80-99% | 82-92% | 79-93% | 80-95% |
Stability
The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.
Reagents and materials provided
| Reagents | Quantity | Reagents | Quantity |
| Pre-coated, ready to use 96-well strip plate | 1 | Plate sealer for 96 wells | 4 |
| Standard | 2 | Standard Diluent | 1×20mL |
| Detection Reagent A | 1×120µL | Assay Diluent A | 1×12mL |
| Detection Reagent B | 1×120µL | Assay Diluent B | 1×12mL |
| TMB Substrate | 1×9mL | Stop Solution | 1×6mL |
| Wash Buffer (30 × concentrate) | 1×20mL | Instruction manual | 1 |
Assay procedure summary
1. Prepare all reagents, samples and standards;
2. Add 50µL standard or sample to each well.
And then add 50µL prepared Detection Reagent A immediately.
Shake and mix. Incubate 1 hour at 37°C;
3. Aspirate and wash 3 times;
4. Add 100µL prepared Detection Reagent B. Incubate 30 minutes at 37°C;
5. Aspirate and wash 5 times;
6. Add 90µL Substrate Solution. Incubate 10-20 minutes at 37°C;
7. Add 50µL Stop Solution. Read at 450 nm immediately.
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| Magazine | Citations |
| Clinical and Experimental Metastasis | Characterization of a new renal cell carcinoma bone metastasis mouse model PubMed: 20443133 |
| Stem Cells and Development | Temporal activation of β-catenin signaling in the chondrogenic process of mesenchymal stem cells affects the phenotype of the cartilage generated. PubMed: 22133004 |
| International journal of biological sciences | PTHrP Expression in Human MDA-MB-231 Breast Cancer Cells Is Critical for Tumor Growth and Survival and Osteoblast Inhibition PubMed: PMC3753447 |
| Investigational New Drugs | Tetrahydrofurofuran-type lignans inhibit breast cancer-mediated bone destruction by blocking the vicious cycle between cancer cells, osteoblasts and osteoclasts Pubmed: 23673814 |
| Toxicology and Applied Pharmacology | Betulinic acid, a bioactive pentacyclic triterpenoid, inhibits skeletal-related events induced by breast cancer bone metastases and treatment Pubmed:24463094 |
| Arch Gynecol Obstet. | Calcitonin gene-and parathyroid hormone-related peptides in normotensive and preeclamptic pregnancies: a nested case–control study Pubmed:24943060 |
| PLoS One | 15-Deoxy-Δ12, 14-Prostaglandin J2 Inhibits Osteolytic Breast Cancer Bone Metastasis and Estrogen Deficiency-Induced Bone Loss PubMed: 25859665 |
| Endocrinology | A role for the calcitonin receptor to limit bone loss during lactation in female mice by inhibiting osteocytic osteolysis PubMed: 26135836 |
| Tumour Biol | Osteopontin expression in co-cultures of human squamous cell carcinoma-derived cells and osteoblastic cells and its effects on the neoplastic cell phenotype and osteoclastic activation. Pubmed:27312487 |
| 35 | Hedgehog signaling in bone regulates whole-body energy metabolism through a bone–adipose endocrine relay mediated by PTHrP and adiponectin pubmed:27740628 |
| Bone | Lactation induces increases in the RANK/RANKL/OPG system in maxillary bone Pubmed:29382610 |
| International Journal of Molecular Sciences | A Diet Rich in Fish Oil and Leucine Ameliorates Hypercalcemia in Tumour-Induced Cachectic Mice Pubmed: 31600911 |
| Journal of Orthopaedic Surgery and Research | Identification of a potential gene target for osteoarthritis based on bioinformatics analyses Pubmed: 32571421 |
| International Immunopharmacology | Parathyroid hormone related protein (PTHrP)-mediated hypercalcemia in malignancy associated with anti-PD-1 immune checkpoint inhibitor treatment and related … |
| Паратиреоидный гормон-родственный протеин как предиктор развития мочекаменной болезни | |
| Cell Death Dis | Extracellular vesicles-released parathyroid hormone-related protein from Lewis lung carcinoma induces lipolysis and adipose tissue browning in cancer ¡ 33510128 |
| Sci Rep | Effects of whole-body vibration training in a cachectic C26 mouse model 34732809 |
| Acta Physiologica | The acute adaptation of renal phosphate transporters in the murine kidney to oral phosphate intake requires multiple signals Pubmed:35334154 |