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High-sensitive Mouse Insulin ELISA Kit

High-sensitive Mouse Insulin ELISA Kit

SKU: 32270

★ Download Datasheet PDF ★

Download MSDS

 

Assay range: 0.2 - 7 ng/mL

Sample Size: 10 uL

Kit Size: 96 wells/kit

  • INTRODUCTION

    Insulin is a peptide hormone exclusively produced in pancreatic beta-cells. It consists of A chain and B chain, which are linked by two disulfide bridges.
    Insulin is the primary hormone responsible for glucose metabolism. Impaired insulin secretion and insulin resistance are key causes of type 2 diabetes (T2D).

  • PRINCIPLE OF THE ASSAY

    This assay is a two-site ELISA. The micro-plate is pre-coated with a monoclonal antibody against insulin. Standards and samples are added into the wells and coincubated with a monoclonal antibody conjugated to horseradish peroxidase (HRP) enzyme. After wash step to remove any unbound substances, TMB substrate is added and colour develops in proportion to the amount of insulin bound initially. The assay is stopped and the optical density of the wells determined using a micro-plate reader. Since the increases in absorbance are directly proportional to the amount of captured insulin, the unknown sample concentration can be interpolated from a reference curve included in each assay.

  • ASSAY PERFORMANCE

    A. Typical representation of standard curve 

    The following standard curve is provided for demonstration only. A standard curve should be generated for each assay.

    Insulin (ng/mL)

    Absorbance

    (450 nm)

    Blanked Absorbance

    0

    0.052

    0

    0.2

    0.063

    0.011

    0.5

    0.098

    0.046

    1.0

    0.197

    0.145

    2.0

    0.558

    0.506

    3.5

    1.23

    1.178

    7

    2.731

    2.679

     

    B. Sensitivity

    The lowest insulin level that can be measured by this assay is 0.2 ng/mL.

     

    C. Precision

    Intra-assay Precision (Precision within an assay) C.V <6.1%.

    Inter-assay Precision (Precision between assays) C.V <2.9%.

     

    D. Recovery

    The recovery of the assay was determined by adding various amounts insulin to a sample. The measured concentration of the spiked sample in the assay was compared to the expected concentration. The average recovery was 91%.

     

    E. Specificity

    Percent of cross reactivity

    Human insulin: 100%

    Rat insulin: 100%

  • PUBLICATIONS CITING THIS PRODUCT

    1. Jiang X, Zhou Y, Wu KK, Chen Z, Xu A, Cheng KK. APPL1 prevents pancreatic beta cell death and inflammation by dampening NFκB activation in a mouse model of type 1 diabetes. Diabetologia. 2017 Mar 1;60(3):464-74.
    2. Geng L, Liao B, Jin L, Huang Z, Triggle CR, Ding H, Zhang J, Huang Y, Lin Z, Xu A. Exercise alleviates obesity-induced metabolic dysfunction via enhancing FGF21 sensitivity in adipose tissues. Cell reports. 2019 Mar 5;26(10):2738-52.
    3. Huang Q, Gong Q, Wen T, Feng S, Xu J, Liu J, Han X, Liu Q, Hu J, Zhu L. Loss of LAMTOR1 in pancreatic β‑cells increases glucose‑stimulated insulin secretion in mice. Int J Mol Med. 2020 Jan;45(1):23-32. doi: 10.3892/ijmm.2019.4409. Epub 2019 Nov 21.
    4. Yang BC, Wu SY, Leung PS. Alcohol ingestion induces pancreatic islet dysfunction and apoptosis via mediation of FGF21 resistance. Annals of translational medicine. 2020 Mar;8(6).
    5. Sun H, Wei G, Liu H, Xiao D, Huang J, Lu J, Miao J, Liu J, Chen S. Inhibition of XBP1s ubiquitination enhances its protein stability and improves glucose homeostasis. Metabolism. 2020 Apr 1;105:154046.
    6. Breznik JA, Foley KP, Maddiboina D, Schertzer JD, Sloboda DM, Bowdish DM. Effects of Obesity-Associated Chronic Inflammation on Peripheral Blood Immunophenotype Are Not Mediated by TNF in Female C57BL/6J Mice. ImmunoHorizons. 2021 Jun 4;5(6):370-83.
    7. Wang D, Mai Q, Yang X, Chi X, Li R, Jiang J, Luo L, Fang X, Yun P, Liang L, Yang G, Song K, Fang L, Chen Y, Zhang Y, He Y, Li N, Pan Y. Microduplication of 16p11.2 locus potentiates hypertrophic obesity in association with imbalanced triglyceride metabolism in white adipose tissue. Molecular Nutrition & Food Research. 2022 Jan 24, 66, 2100241.
    8. Geng L, Liao B, Jin L, Yu J, Zhao X, Zhao Y, Zhong L, Wang B, Li J, Liu J, Yang JK, Jia W, Lian Q, Xu A. β-Klotho promotes glycolysis and glucose-stimulated insulin secretion via GP130. Nature Metabolism.2022 May 12, 4, 608–626
    9. Zhong J, Cheung CYY, Su X, Lee CH, Ru Y, Fong CHY, Liu Y, Cheung CKY, Lam KSL, Cai Z, Xu A. Specific triacylglycerol, diacylglycerol, and lyso-phosphatidylcholine species for the prediction of type 2 diabetes: a ~ 16-year prospective study in Chinese. Cardiovasc Diabetol. 2022 Nov 5;21(1):234.
  • Tips of choosing our Insulin products

    Insulin ELISA Kit

    Assay Range (ng/mL)

    Sample Volume Required Per Well (uL)

    Assay Length (h)

    Ultra sensitive (Rat Cat.: 33380/Mouse Cat.: 32380)

    0.025-1.5

    25

    2.5

    High sensitive (Rat Cat.:33270/Mouse Cat.:32270)

    0.2-7

    10

    2

    High sensitive Plus(Mouse only Cat.: 32393)

    0.2-7

    5

    2.5

    Wide range (Rat Cat.: 33100/Mouse Cat.:32100)

    1-50

    5

    2

$366.00Price

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