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Human 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial (CYP27B1) ELISA Kit (HUEB0989)

SKU:
HUEB0989
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
O15528
Range:
0.78-50 ng/mL
ELISA Type:
Sandwich
Synonyms:
CYP27B1, VD3 1A hydroxylase, Cytochrome P450VD1-alpha
Reactivity:
Human
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Description

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Human 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial (CYP27B1) ELISA Kit

The Human 25-Hydroxyvitamin D 1-Alpha-Hydroxylase (Mitochondrial CYP27B1) ELISA Kit is a specialized tool for detecting levels of this important enzyme in human serum and plasma samples. This kit is highly sensitive and specific, allowing for accurate and reproducible results in a variety of research settings.25-Hydroxyvitamin D 1-Alpha-Hydroxylase is responsible for converting 25-hydroxyvitamin D into the active form of vitamin D, which plays a crucial role in calcium and phosphorus metabolism, as well as immune system function.

Dysregulation of this enzyme has been linked to various diseases, including bone disorders, autoimmune conditions, and cancer, making it a valuable biomarker for studying these conditions and exploring potential therapeutic interventions.The Human 25-Hydroxyvitamin D 1-Alpha-Hydroxylase ELISA Kit is a valuable tool for researchers looking to further understand the role of this enzyme in human health and disease, providing reliable and accurate data for their studies.

Product Name:Human 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial (CYP27B1) ELISA Kit
SKU:HUEB0989
Size:96T
Target:Human 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial (CYP27B1)
Synonyms:25-OHD-1 alpha-hydroxylase, 25-hydroxyvitamin D(3) 1-alpha-hydroxylase, Calcidiol 1-monooxygenase, Cytochrome P450 subfamily XXVIIB polypeptide 1, Cytochrome P450C1 alpha, Cytochrome P450VD1-alpha, Cytochrome p450 27B1, VD3 1A hydroxylase, CYP1ALPHA, CYP27B
Assay Type:Sandwich
Detection Method:ELISA
Reactivity:Human
Detection Range:0.78-50ng/mL
Sensitivity:0.33ng/mL
Intra CV:4.3%
Inter CV:7.1%
Linearity:
Sample1:21:41:81:16
Serum(N=5)112-120%99-108%114-123%93-105%
EDTA Plasma(N=5)103-114%83-95%106-115%106-116%
Heparin Plasma(N=5)92-102%91-103%85-97%108-118%
Recovery:
Sample TypeAverage(%)Recovery Range(%)
Serum9690-102
Plasma9892-104
Function:Catalyzes the conversion of 25-hydroxyvitamin D3 (25(OH)D3) to 1-alpha,25-dihydroxyvitamin D3 (1alpha,25(OH)(2)D3), and of 24,25-dihydroxyvitamin D3 (24,25(OH)(2)D3) to 1-alpha,24,25-trihydroxyvitamin D3 (1alpha,24,25(OH)(3)D3). Is also active with 25-hydroxy-24-oxo-vitamin D3. Plays an important role in normal bone growth, calcium metabolism, and tissue differentiation.
Uniprot:O15528
Sample Type:Serum, plasma, tissue homogenates, cell culture supernates and other biological fluids
Specificity:Natural and recombinant human 25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial
Subcellular Location:Mitochondrion membrane
Storage:Please see kit components below for exact storage details
Note:For research use only
UniProt Protein Function:CYP27B1: Catalyzes the conversion of 25-hydroxyvitamin D3 (25(OH)D) to 1-alpha,25-dihydroxyvitamin D3 (1,25(OH)2D) plays an important role in normal bone growth, calcium metabolism, and tissue differentiation. Defects in CYP27B1 are the cause of rickets vitamin D- dependent type 1A (VDDR1A); also known as pseudovitamin D deficiency rickets (PDDR). A disorder caused by a selective deficiency of the active form of vitamin D (1,25- dihydroxyvitamin D3) and resulting in defective bone mineralization and clinical features of rickets. Belongs to the cytochrome P450 family.
UniProt Protein Details:

Protein type:Oxidoreductase; Mitochondrial; Lipid Metabolism - steroid biosynthesis; Cell cycle regulation; EC 1.14.13.13

Chromosomal Location of Human Ortholog: 12q14.1

Cellular Component: cytoplasm; mitochondrial outer membrane; mitochondrion

Molecular Function:calcidiol 1-monooxygenase activity

Biological Process: bone mineralization; calcium ion homeostasis; calcium ion transport; decidualization; negative regulation of cell growth; negative regulation of cell proliferation; positive regulation of keratinocyte differentiation; regulation of bone mineralization; response to estrogen stimulus; response to lipopolysaccharide; response to vitamin D; vitamin D metabolic process; vitamin metabolic process

Disease: Vitamin D Hydroxylation-deficient Rickets, Type 1a

NCBI Summary:This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. The protein encoded by this gene localizes to the inner mitochondrial membrane where it hydroxylates 25-hydroxyvitamin D3 at the 1alpha position. This reaction synthesizes 1alpha,25-dihydroxyvitamin D3, the active form of vitamin D3, which binds to the vitamin D receptor and regulates calcium metabolism. Thus this enzyme regulates the level of biologically active vitamin D and plays an important role in calcium homeostasis. Mutations in this gene can result in vitamin D-dependent rickets type I. [provided by RefSeq, Jul 2008]
UniProt Code:O15528
NCBI GenInfo Identifier:3182968
NCBI Gene ID:1594
NCBI Accession:O15528.1
UniProt Secondary Accession:O15528,Q548T3, B2RC61,
UniProt Related Accession:O15528
Molecular Weight:56,504 Da
NCBI Full Name:25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial
NCBI Synonym Full Names:cytochrome P450 family 27 subfamily B member 1
NCBI Official Symbol:CYP27B1
NCBI Official Synonym Symbols:VDR; CP2B; CYP1; PDDR; VDD1; VDDR; VDDRI; CYP27B; P450c1; CYP1alpha
NCBI Protein Information:25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial
UniProt Protein Name:25-hydroxyvitamin D-1 alpha hydroxylase, mitochondrial
UniProt Synonym Protein Names:25-OHD-1 alpha-hydroxylase; 25-hydroxyvitamin D(3) 1-alpha-hydroxylase; VD3 1A hydroxylase; Calcidiol 1-monooxygenase; Cytochrome P450 subfamily XXVIIB polypeptide 1; Cytochrome P450C1 alpha; Cytochrome P450VD1-alpha; Cytochrome p450 27B1
Protein Family:25-hydroxyvitamin D-1 alpha hydroxylase
UniProt Gene Name:CYP27B1
UniProt Entry Name:CP27B_HUMAN
Component Quantity (96 Assays) Storage
ELISA Microplate (Dismountable) 8×12 strips -20°C
Lyophilized Standard 2 -20°C
Sample Diluent 20ml -20°C
Assay Diluent A 10mL -20°C
Assay Diluent B 10mL -20°C
Detection Reagent A 120µL -20°C
Detection Reagent B 120µL -20°C
Wash Buffer 30mL 4°C
Substrate 10mL 4°C
Stop Solution 10mL 4°C
Plate Sealer 5 -

Other materials and equipment required:

  • Microplate reader with 450 nm wavelength filter
  • Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
  • Incubator
  • Deionized or distilled water
  • Absorbent paper
  • Buffer resevoir

*Note: The below protocol is a sample protocol. Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

Allow all reagents to reach room temperature (Please do not dissolve the reagents at 37°C directly). All the reagents should be mixed thoroughly by gently swirling before pipetting. Avoid foaming. Keep appropriate numbers of strips for 1 experiment and remove extra strips from microtiter plate. Removed strips should be resealed and stored at -20°C until the kits expiry date. Prepare all reagents, working standards and samples as directed in the previous sections. Please predict the concentration before assaying. If values for these are not within the range of the standard curve, users must determine the optimal sample dilutions for their experiments. We recommend running all samples in duplicate.

Step
1. Add Sample: Add 100µL of Standard, Blank, or Sample per well. The blank well is added with Sample diluent. Solutions are added to the bottom of micro ELISA plate well, avoid inside wall touching and foaming as possible. Mix it gently. Cover the plate with sealer we provided. Incubate for 120 minutes at 37°C.
2. Remove the liquid from each well, don't wash. Add 100µL of Detection Reagent A working solution to each well. Cover with the Plate sealer. Gently tap the plate to ensure thorough mixing. Incubate for 1 hour at 37°C. Note: if Detection Reagent A appears cloudy warm to room temperature until solution is uniform.
3. Aspirate each well and wash, repeating the process three times. Wash by filling each well with Wash Buffer (approximately 400µL) (a squirt bottle, multi-channel pipette,manifold dispenser or automated washer are needed). Complete removal of liquid at each step is essential. After the last wash, completely remove remaining Wash Buffer by aspirating or decanting. Invert the plate and pat it against thick clean absorbent paper.
4. Add 100µL of Detection Reagent B working solution to each well. Cover with the Plate sealer. Incubate for 60 minutes at 37°C.
5. Repeat the wash process for five times as conducted in step 3.
6. Add 90µL of Substrate Solution to each well. Cover with a new Plate sealer and incubate for 10-20 minutes at 37°C. Protect the plate from light. The reaction time can be shortened or extended according to the actual color change, but this should not exceed more than 30 minutes. When apparent gradient appears in standard wells, user should terminatethe reaction.
7. Add 50µL of Stop Solution to each well. If color change does not appear uniform, gently tap the plate to ensure thorough mixing.
8. Determine the optical density (OD value) of each well at once, using a micro-plate reader set to 450 nm. User should open the micro-plate reader in advance, preheat the instrument, and set the testing parameters.
9. After experiment, store all reagents according to the specified storage temperature respectively until their expiry.

When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.

Sample Type Protocol
Serum If using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.
Plasma Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 × g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit.
Urine & Cerebrospinal Fluid Collect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid.
Cell culture supernatant Collect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately.
Cell lysates Solubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Tissue homogenates The preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C.
Tissue lysates Rinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.
Breast Milk Collect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles.
ELISA
Human CYP27B1 ELISA Kit

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