Human Prokineticin-2(PROK2) ELISA kit

Code CSB-EL018747HU
Size 96T,5×96T,10×96T
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Product Details

Target Name
prokineticin 2
Alternative Names
BV8 ELISA Kit; Bv8 homolog ELISA Kit; MIT1 ELISA Kit; PK2 ELISA Kit; PROK2 ELISA Kit; PROK2_HUMAN ELISA Kit; Prokineticin-2 ELISA Kit; Protein Bv8 homolog ELISA Kit
Abbreviation
PROK2
Uniprot No.
Species
Homo sapiens (Human)
Sample Types
serum, plasma, cell culture supernates, tissue homogenates
Detection Range
6.25 pg/mL-400 pg/mL
Sensitivity
1.56 pg/mL
Assay Time
1-5h
Sample Volume
50-100ul
Detection Wavelength
450 nm
Research Area
Neuroscience
Assay Principle
quantitative
Measurement
Sandwich
Precision
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.
Linearity
To assess the linearity of the assay, samples were spiked with high concentrations of human PROK2 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
 SampleSerum(n=4)
1:1Average %97
Range %91-104
1:2Average %88
Range %86-91
1:4Average %99
Range %85-106
1:8Average %95
Range %89-98
Recovery
The recovery of human PROK2 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 TypeAverage % RecoveryRange
Serum (n=5) 9489-97
EDTA plasma (n=4)9893-105
Typical Data
These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.
pg/mlOD1OD2AverageCorrected
4002.345 2.245 2.295 2.160
2001.764 1.664 1.714 1.579
1001.112 1.102 1.107 0.972
500.713 0.693 0.703 0.568
250.422 0.412 0.417 0.282
12.50.305 0.295 0.300 0.165
6.250.212 0.202 0.207 0.072
00.135 0.134 0.135  
Troubleshooting
and FAQs
Storage
Store at 2-8°C. Please refer to protocol.
Lead Time
3-5 working days after you place the order, and it takes another 3-5 days for delivery via DHL or FedEx
Description

This Human PROK2 ELISA Kit was designed for the quantitative measurement of Human PROK2 protein in serum, plasma, cell culture supernates, tissue homogenates. It is a Sandwich ELISA kit, its detection range is 6.25 pg/mL-400 pg/mL and the sensitivity is 1.56 pg/mL.

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Target Background

Function
(From Uniprot)
May function as an output molecule from the suprachiasmatic nucleus (SCN) that transmits behavioral circadian rhythm. May also function locally within the SCN to synchronize output. Potently contracts gastrointestinal (GI) smooth muscle.
Gene References into Functions
  1. The results indicate that PK2 over-production perpetuates psoriatic symptoms by creating PK-2-IL-1 vicious loop. PK2 is a central player in psoriasis and a promising psoriasis-specific target. PMID: 27887936
  2. Prokineticin-2 is correlated with various cardiometabolic risk factors. PMID: 26728949
  3. Data suggest that prokineticins (PROK1 and PROK2) and prokineticin receptors (PROKR1 and PROKR2) act as main regulators of physiological functions of ovary, uterus, placenta, and testis. [REVIEW] PMID: 26574895
  4. Suggest PROK2 as an angiogenic growth factor in colorectal cancer. PMID: 26317645
  5. study found a novel mutation in PROK2 in two male siblings presenting normosmic congenital hypogonadotropic hypogonadism, in whom a mutation in the GNRHR gene had been previously described, suggesting the possibility of a digenic inheritance PMID: 25531638
  6. PROK2 significantly increased in human fetal ovary across gestation. PMID: 26192875
  7. EG-VEGF, BV8, and PROKR2 gene expression is approximately five, four, and two times higher in cystic fibrosis lungs compared with controls. PMID: 26047640
  8. No abnormalities were found in the patient group for the PROKR2 and GNRH1genes. In addition, no genomic rearrangements were identified in the healthy control individuals for the described genes PMID: 24002956
  9. PROK2 signaling in humans is not required for central circadian pacemaker function. PMID: 24423319
  10. A novel role of BV8 in promoting oncogenesis intrinsic to malignant cells of myeloid origin. PMID: 23548897
  11. We could not implicate the ligand PROK2 in congenital hypopituitarism and septo-optic dysplasia. PMID: 23386640
  12. Three PROKR2 mutations previously described in Kallmann syndrome and one new PROK2 mutation were found in patients with isolated congenital anosmia. PMID: 23082007
  13. Induction of Bv8 expression by granulocyte colony-stimulating factor in CD11b+Gr1+ cells: key role of Stat3 signaling. PMID: 22528488
  14. Data suggest that elevated prokineticin 2 levels, as a consequence of gastrointestinal tract inflammation, induce visceral pain via prokineticin receptors. PMID: 22050240
  15. Patients with this genetic form of Kallmann syndrome have been reported to have a possible increased prevalence of obesity and sleep disorders, which may be related to the role of PROK2 in food intake and circadian rhythms (Review) PMID: 20389090
  16. Review. Role of prokineticins in inflammatory and contractile pathways at parturition in humans. PMID: 20172976
  17. Male patients carrying biallelic mutations in PROK2 or PROKR2 have a less variable and on average a more severe reproductive phenotype than patients carrying monoallelic mutations in these genes. PMID: 20022991
  18. Prokineticin 2 transmits the behavioural circadian rhythm of the suprachiasmatic nucleus. PMID: 12024206
  19. Bv8 and EG-VEGF, along with other factors such as VEGF-A, may maintain the integrity and also regulate proliferation of the blood vessels in the testis PMID: 12604792
  20. Paracrine role for the PKs and their receptors in endometrial vascular function. PMID: 15126578
  21. potentially modulates growth, survival, and function of cells of the innate and adaptive immune systems, possibly through autocrine or paracrine signaling mechanisms PMID: 15548611
  22. study demonstrated that prokineticin 1 and 2 and their receptors are expressed in human prostate and that their levels increased with prostate malignancy PMID: 16763065
  23. These findings reveal that insufficient prokineticin-signaling through PROKR2 leads to abnormal development of the olfactory system and reproductive axis in man. PMID: 17054399
  24. Homozygous loss-of-function PROK2 mutations cause both Kallmann syndrome and normosmic idiopathic hypogonadotropic hypogonadism PMID: 17959774
  25. The identification of PROK2 biallelic mutations, that is, a missense mutation, p.R73C, and a frameshift mutation, c.163delA, in two out of 273 patients presenting as sporadic cases, is reported. PMID: 18285834
  26. PK2/Bv8 expression decreases as the liver evolves towards cancer and does not correlate with HCC angiogenesis PMID: 18300343
  27. Loss-of-function mutations in PROK2 and PROKR2 underlie both Kallmann syndrome (KS) and normosmic idiopathic hypogonadotropic hypogonadism (IHH). PMID: 18559922
  28. Loss-of-function mutations in the genes encoding prokineticin-2 or prokineticin receptor-2 cause autosomal recessive Kallmann syndrome. PMID: 18682503
  29. no mutations found in Kallmann syndrome PMID: 18723471
  30. Bv8 expression is regulated by several cytokines in a cell type-specific fashion PMID: 19336519

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Involvement in disease
Hypogonadotropic hypogonadism 4 with or without anosmia (HH4)
Subcellular Location
Secreted.
Protein Families
AVIT (prokineticin) family
Tissue Specificity
Expressed in the testis and, at low levels, in the small intestine.
Database Links

HGNC: 18455

OMIM: 607002

KEGG: hsa:60675

STRING: 9606.ENSP00000295619

UniGene: Hs.528665

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