Human CPT1A / Carnitine O-palmitoyltransferase 1, liver isoform ELISA Kit

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SKU:
HUFI00652
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P50416
Sensitivity:
9.375pg/ml
Range:
15.625-1000pg/ml
ELISA Type:
Sandwich ELISA, Double Antibody
Synonyms:
CPT1-L, Cpt1a, CPT1-L, Carnitine O-palmitoyltransferase 1, liver isoform, CPT1A, CPT I, CPTI-L, Carnitine palmitoyltransferase 1A
Reactivity:
Human
Frequently bought together:

Description

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Product Name:Human CPT1A / Carnitine O-palmitoyltransferase 1, liver isoform ELISA Kit
Product Code:HUFI00652
Size:96 Assays
Alias:CPT1-L, Cpt1a, CPT1-L, Carnitine O-palmitoyltransferase 1, liver isoform, CPT1A, CPT I, CPTI-L, Carnitine palmitoyltransferase 1A
Detection method:Sandwich ELISA, Double Antibody
Application:This immunoassay kit allows for the in vitro quantitative determination of Human CPT1A concentrations in serum plasma and other biological fluids.
Sensitivity:9.375pg/ml
Range:15.625-1000pg/ml
Storage:4°C for 6 months
Note:For Research Use Only
Recovery:Matrices listed below were spiked with certain level of Human CPT1A and the recovery rates were calculated by comparing the measured value to the expected amount of Human CPT1A in samples.
MatrixRecovery range(%)Average(%)
serum(n=5)92-10598
EDTA plasma(n=5)88-10497
UFH plasma(n=5)89-10397
Linearity:The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human CPT1A and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Sample1:21:41:8
serum(n=5)88-97%100-105%88-104%
EDTA plasma(n=5)98-101%87-100%86-99%
UFH plasma(n=5)81-94%84-97%86-98%
CV(%):Intra-Assay: CV<8%
Inter-Assay: CV<10%
ComponentQuantityStorage
ELISA Microplate (Dismountable)8×12 strips4°C for 6 months
Lyophilized Standard24°C/-20°C
Sample/Standard Dilution Buffer20ml4°C
Biotin-labeled Antibody(Concentrated)120ul4°C (Protect from light)
Antibody Dilution Buffer10ml4°C
HRP-Streptavidin Conjugate(SABC)120ul4°C (Protect from light)
SABC Dilution Buffer10ml4°C
TMB Substrate10ml4°C (Protect from light)
Stop Solution10ml4°C
Wash Buffer(25X)30ml4°C
Plate Sealer5-

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
UniprotP50416
UniProt Protein Function:CPT1A: Belongs to the carnitine/choline acetyltransferase family. 2 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:Protein type:Lipid Metabolism - fatty acid; Membrane protein, integral; EC 2.3.1.21; Mitochondrial; Membrane protein, multi-pass; Transferase

Chromosomal Location of Human Ortholog: 11q13.2

Cellular Component: mitochondrial outer membrane; membrane; mitochondrion; mitochondrial inner membrane; integral to mitochondrial outer membrane

Molecular Function:identical protein binding; carnitine O-palmitoyltransferase activity

Biological Process: circadian rhythm; response to drug; eating behavior; glucose metabolic process; long-chain fatty acid metabolic process; carnitine shuttle; cellular lipid metabolic process; response to organic cyclic substance; positive regulation of fatty acid beta-oxidation; fatty acid beta-oxidation; triacylglycerol metabolic process; epithelial cell differentiation; carnitine metabolic process; regulation of insulin secretion; protein homooligomerization

Disease: Carnitine Palmitoyltransferase I Deficiency

NCBI Summary:The mitochondrial oxidation of long-chain fatty acids is initiated by the sequential action of carnitine palmitoyltransferase I (which is located in the outer membrane and is detergent-labile) and carnitine palmitoyltransferase II (which is located in the inner membrane and is detergent-stable), together with a carnitine-acylcarnitine translocase. CPT I is the key enzyme in the carnitine-dependent transport across the mitochondrial inner membrane and its deficiency results in a decreased rate of fatty acid beta-oxidation. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
UniProt Code:P50416
NCBI GenInfo Identifier:56405343
NCBI Gene ID:1374
NCBI Accession:P50416.2
UniProt Secondary Accession:P50416,Q8TCU0, Q9BWK0,
UniProt Related Accession:P50416
Molecular Weight:773
NCBI Full Name:Carnitine O-palmitoyltransferase 1, liver isoform
NCBI Synonym Full Names:carnitine palmitoyltransferase 1A (liver)
NCBI Official Symbol:CPT1A
NCBI Official Synonym Symbols:CPT1; CPT1-L; L-CPT1
NCBI Protein Information:carnitine O-palmitoyltransferase 1, liver isoform; CPT I; CPTI-L; carnitine palmitoyltransferase I, liver; carnitine O-palmitoyltransferase I, liver isoform
UniProt Protein Name:Carnitine O-palmitoyltransferase 1, liver isoform
UniProt Synonym Protein Names:Carnitine O-palmitoyltransferase I, liver isoform; CPT I; CPTI-L; Carnitine palmitoyltransferase 1A
Protein Family:Carnitine O-palmitoyltransferase
UniProt Gene Name:CPT1A
UniProt Entry Name:CPT1A_HUMAN

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

Before adding to wells, equilibrate the SABC working solution and TMB substrate for at least 30 min at 37°C. When diluting samples and reagents, they must be mixed completely and evenly. It is recommended to plot a standard curve for each test.

StepProtocol
1.Set standard, test sample and control (zero) wells on the pre-coated plate respectively, and then, record their positions. It is recommended to measure each standard and sample in duplicate. Wash plate 2 times before adding standard, sample and control (zero) wells!
2.Aliquot 0.1ml standard solutions into the standard wells.
3.Add 0.1 ml of Sample / Standard dilution buffer into the control (zero) well.
4.Add 0.1 ml of properly diluted sample ( Human serum, plasma, tissue homogenates and other biological fluids.) into test sample wells.
5.Seal the plate with a cover and incubate at 37 °C for 90 min.
6.Remove the cover and discard the plate content, clap the plate on the absorbent filter papers or other absorbent material. Do NOT let the wells completely dry at any time. Wash plate X2.
7.Add 0.1 ml of Biotin- detection antibody working solution into the above wells (standard, test sample & zero wells). Add the solution at the bottom of each well without touching the side wall.
8.Seal the plate with a cover and incubate at 37°C for 60 min.
9.Remove the cover, and wash plate 3 times with Wash buffer. Let wash buffer rest in wells for 1 min between each wash.
10.Add 0.1 ml of SABC working solution into each well, cover the plate and incubate at 37°C for 30 min.
11.Remove the cover and wash plate 5 times with Wash buffer, and each time let the wash buffer stay in the wells for 1-2 min.
12.Add 90 µl of TMB substrate into each well, cover the plate and incubate at 37°C in dark within 10-20 min. (Note: This incubation time is for reference use only, the optimal time should be determined by end user.) And the shades of blue can be seen in the first 3-4 wells (with most concentrated standard solutions), the other wells show no obvious color.
13.Add 50 µl of Stop solution into each well and mix thoroughly. The color changes into yellow immediately.
14. Read the O.D. absorbance at 450 nm in a microplate reader immediately after adding the stop solution.

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 TypeProtocol
SerumIf 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.

PlasmaCollect 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 FluidCollect 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 supernatantCollect 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 lysatesSolubilize 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 homogenatesThe 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 lysatesRinse 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 MilkCollect 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.

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