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    products/elisa/human-pdh-e1-alpha-protein-elisa-kit-pdha1-ab181415.pdf

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SimpleStep

Human PDH E1 alpha protein ELISA Kit (PDHA1) (ab181415)

  • Datasheet
  • SDS
  • Protocol Booklet
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Other - Human PDH E1 alpha protein ELISA Kit (PDHA1) (ab181415)
  • Figure 1
  • Figure 2

Key features and details

  • One-wash 90 minute protocol
  • Sensitivity: 12 ng/ml
  • Range: 15.62 ng/ml - 1000 ng/ml
  • Sample type: Cell Lysate, Tissue Extracts
  • Detection method: Colorimetric
  • Assay type: Sandwich (quantitative)
  • Reacts with: Human

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Overview

  • Product name

    Human PDH E1 alpha protein ELISA Kit (PDHA1)
    See all PDHA1 kits
  • Detection method

    Colorimetric
  • Precision

    Intra-assay
    Sample n Mean SD CV%
    HeLa extract 2 7.7%
    Inter-assay
    Sample n Mean SD CV%
    HeLa extract 5 3.8%
  • Sample type

    Tissue Extracts, Cell Lysate
  • Assay type

    Sandwich (quantitative)
  • Sensitivity

    12 ng/ml
  • Range

    15.62 ng/ml - 1000 ng/ml
  • Recovery

    135 %

    Sample specific recovery
    Sample type Average % Range
    Serum 144 129% - 152%
    Cell culture media 135 134% - 137%
    Fetal Bovine Serum 135 129% - 130%
  • Assay time

    1h 30m
  • Assay duration

    One step assay
  • Species reactivity

    Reacts with: Human
  • Product overview

    Human PDH E1 alpha ELISA kit (ab181415) is a single-wash 90 min sandwich ELISA designed for the quantitative measurement of PDH E1 alpha protein in human cell and tissue extracts. It uses our proprietary SimpleStep ELISA® technology. Quantitate human PDH E1 alpha with 12 ng/mL sensitivity.

    SimpleStep ELISA® technology employs capture antibodies conjugated to an affinity tag that is recognized by the monoclonal antibody used to coat our SimpleStep ELISA® plates. This approach to sandwich ELISA allows the formation of the antibody-analyte sandwich complex in a single step, significantly reducing assay time. See the SimpleStep ELISA® protocol summary in the image section for further details. Our SimpleStep ELISA® technology provides several benefits:

            -Single-wash protocol reduces assay time to 90 minutes or less
            -High sensitivity, specificity and reproducibility from superior antibodies
            -Fully validated in biological samples
            -96-wells plate breakable into 12 x 8 wells strips

    A 384-well SimpleStep ELISA® microplate (ab203359) is available to use as an alternative to the 96-well microplate provided with SimpeStep ELISA® kits.

  • Notes

    The pyruvate dehydrogenase complex performs the decarboxylation of pyruvate into acetyl CoA, a critical function in metabolism, linking glycolysis and oxidative phosphorylation in mitochondria. The enzyme is composed of multiple copies of three enzymes: pyruvate dehydrogenase (E1), dihydrolipoamide transacetylase (E2) and dihydrolipoamide dehydrogenase (E3). The E1 enzyme is a tetramer of two alpha (PDHA1) and two beta (PDHB) subunits and is present in 30 copies in the PDH complex.

    The activity of PDH is regulated by reversible phosphorylation of three serine residues on the PDHA1 subunit at phospho S232, phospho S293, and phospho S300. ELISA assays to measure total PDHA1, phospho 232, phospho S293, and phospho S300 are available from Abcam (ab115342, ab115343, ab115344, ab115345). The phosphorylation of these sites is catalyzed by PDH kinases (PDK). There are four known PDK isoforms, distributed differently in tissues. Their expressions are regulated differently by factors such as starvation, hypoxia and utilization of glucose and fatty acids in various tissues. Dephosporylation, to restore the activity of PDH, is catalyzed by PDH phosphatases (PDP). There are two known isoforms of PDP; PDP1 is present in high levels in skeletal muscle and PDP2 in liver and adipocytes. Functional PDH kinases and phosphatases are available from Abcam (ab110359, ab110354, ab110355, ab110356).

  • Platform

    Microplate

Properties

  • Storage instructions

    Store at +4°C. Please refer to protocols.
  • Components 1 x 96 tests
    10X Human PDH E1a Capture Antibody 1 x 600µl
    10X Human PDH E1a Detector Antibody 1 x 600µl
    2X Cell Extraction Buffer LM 1 x 10ml
    4X Antibody Diluent EB 1 x 6ml
    Human PDH E1 alpha Lyophilized Recombinant Protein 2 vials
    Plate Seals 1 unit
    Sample Diluent NS (ab193972) 1 x 12ml
    SimpleStep Pre-Coated 96-Well Microplate (ab206978) 1 unit
    Stop Solution 1 x 12ml
    TMB Development Solution 1 x 12ml
  • Research areas

    • Signal Transduction
    • Metabolism
    • Energy Metabolism
    • Signal Transduction
    • Metabolism
    • Mitochondrial
    • Cancer
    • Cancer Metabolism
    • Metabolic signaling pathway
    • Metabolism of carbohydrates
    • Kits/ Lysates/ Other
    • Kits
    • ELISA Kits
    • ELISA Kits
    • Signal transduction proteins ELISA kits
    • Metabolism
    • Pathways and Processes
    • Mitochondrial Metabolism
    • Mitochondrial markers
    • Metabolism
    • Pathways and Processes
    • Metabolic signaling pathways
    • Carbohydrate metabolism
    • Metabolism
    • Pathways and Processes
    • Metabolic signaling pathways
    • Energy transfer pathways
    • Energy Metabolism
  • Function

    The pyruvate dehydrogenase complex catalyzes the overall conversion of pyruvate to acetyl-CoA and CO(2). It contains multiple copies of three enzymatic components: pyruvate dehydrogenase (E1), dihydrolipoamide acetyltransferase (E2) and lipoamide dehydrogenase (E3).
  • Tissue specificity

    Ubiquitous.
  • Involvement in disease

    Defects in PDHA1 are a cause of pyruvate decarboxylase E1 component deficiency (PDHE1 deficiency) [MIM:312170]. PDHE1 deficiency is the most common enzyme defect in patients with primary lactic acidosis. It is associated with variable clinical phenotypes ranging from neonatal death to prolonged survival complicated by developmental delay, seizures, ataxia, apnea, and in some cases to an X-linked form of Leigh syndrome (X-LS).
    Defects in PDHA1 are the cause of X-linked Leigh syndrome (X-LS) [MIM:308930]. X-LS is an early-onset progressive neurodegenerative disorder with a characteristic neuropathology consisting of focal, bilateral lesions in one or more areas of the central nervous system, including the brainstem, thalamus, basal ganglia, cerebellum, and spinal cord. The lesions are areas of demyelination, gliosis, necrosis, spongiosis, or capillary proliferation. Clinical symptoms depend on which areas of the central nervous system are involved. The most common underlying cause is a defect in oxidative phosphorylation. LS may be a feature of a deficiency of any of the mitochondrial respiratory chain complexes.
  • Cellular localization

    Mitochondrion matrix.
  • Target information above from: UniProt accession P08559 The UniProt Consortium
    The Universal Protein Resource (UniProt) in 2010
    Nucleic Acids Res. 38:D142-D148 (2010) .

    Information by UniProt
  • Alternative names

    • ODPA_HUMAN
    • PDH
    • PDHA
    • PDHA1
    • PDHCE1A
    • PDHE1 A type I
    • PDHE1-A type I
    • PHE1A
    • Pyruvate Dehydrogenase (lipoamide) alpha 1
    • Pyruvate dehydrogenase complex, E1 alpha polypeptide 1
    • Pyruvate Dehydrogenase E1 alpha
    • Pyruvate dehydrogenase E1 component subunit alpha
    • Pyruvate dehydrogenase E1 component subunit alpha, somatic form, mitochondrial
    • Pyruvate Dehydrogenase E1-alpha subunit
    see all
  • Database links

    • Entrez Gene: 5160 Human
    • Omim: 300502 Human
    • SwissProt: P08559 Human
    • Unigene: 530331 Human

    Associated products

    • ELISA kits

      • Phospho S232 PDH E1 alpha protein (PDHA1) Profiling ELISA Kit (ab115343)
      • Phospho S300 PDH E1 alpha protein (PDHA1) Profiling ELISA Kit (ab115345)
    • Positive Controls

      • HeLa whole cell lysate (ab150035)
      • Hep G2 whole cell lysate (ab166833)
      • HeLa whole cell lysate (ab29545)
    • Related Products

      • Recombinant Human PDHA1 protein (ab125602)

    Images

    • Other - Human PDH E1 alpha protein ELISA Kit (PDHA1) (ab181415)
      Other - Human PDH E1 alpha protein ELISA Kit (PDHA1) (ab181415)

      SimpleStep ELISA technology allows the formation of the antibody-antigen complex in one single step, reducing assay time to 90 minutes. Add samples or standards and antibody mix to wells all at once, incubate, wash, and add your final substrate. See protocol for a detailed step-by-step guide.

       

    • Figure 1
      Figure 1

      Example of PDH E1 alpha (PDHA1) standard curve. Background-subtracted data values (mean +/- SD) are graphed.

    • Figure 2
      Figure 2

      Titration of HeLa, HepG2, Human Liver Homogenate (HLH) and MCF7 cell extract within the working range of the assay in 1X Cell Extraction Buffer LM. Background subtracted data from duplicate measurements are plotted.

    Protocols

    • Protocol Booklet

    Click here to view the general protocols

    Datasheets and documents

    • SDS download

    • Datasheet download

      Download

    References (1)

    Publishing research using ab181415? Please let us know so that we can cite the reference in this datasheet.

    ab181415 has been referenced in 1 publication.

    • Ahn E  et al. Temporal fluxomics reveals oscillations in TCA cycle flux throughout the mammalian cell cycle. Mol Syst Biol 13:953 (2017). PubMed: 29109155

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