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MAK083

Sigma-Aldrich

Glucose Uptake Colorimetric Assay Kit

sufficient for 100 colorimetric tests

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About This Item

Código UNSPSC:
12161503
NACRES:
NA.84

uso

sufficient for 100 colorimetric tests

método de detección

colorimetric

enfermedades relevantes

endocrinological disorders, diabetes; cancer

temp. de almacenamiento

−20°C

Descripción general

Glucose is the primary source of energy for most cells. Glucose uptake into cells is highly regulated and the first rate limiting step in glucose metabolism. Glucose uptake is facilitated by the GLUT family of transporter proteins, whose expression and activity are regulated by multiple mechanisms. Glucose uptake is upregulated in many cancer cells, which exhibit high rates of aerobic glycolysis. Cells exhibiting insulin resistance show diminished glucose uptake in response to insulin stimulation.

The use of the recycling amplification reaction in the colorimetric assay results in the limit of detection being 10-fold lower (20-100 pmole) compared to the fluorescence assay (200-1,000 pmole, MAK084).

Aplicación

Glucose uptake colorimetric assay kit has been used to measure glucose uptake by a variety of cells.[1][2][3]

Idoneidad

Suitable for detecting glucose uptake in adherent or suspension cells cultured in a 96-well microtiter plate.

Principio

The Glucose Uptake Colorimetric Assay kit provides a simple and direct procedure for measuring glucose uptake in a variety of cells. Glucose uptake is measured using the glucose analog, 2-deoxyglucose (2-DG), which is taken up by cells and phosphorylated by hexokinase to 2-DG6P. 2-DG6P cannot be further metabolized and accumulates in cells, directly proportional to the glucose uptake by cells. In this assay, 2-DG uptake is determined by a coupled enzymatic assay in which the 2-DG6P is oxidized, resulting in the generation of NADPH, which is then determined by a recycling amplification reaction in which the NADPH is utilized by glutathione reductase in a coupled enzymatic reaction that produces glutathione. Glutathione reacts with DTNB to product TNB, which is detected at 412 nm.

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Pictogramas

Environment
GHS09

Frases de peligro

H411

Consejos de prudencia

P273

Clasificaciones de peligro

Aquatic Chronic 2

Código de clase de almacenamiento

10 - Combustible liquids

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Certificados de análisis (COA)

Lot/Batch Number
8A14K06760
8H16K06760
7J16K06760
7D19K06760
7C23K06760

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International journal of molecular medicine, 36(3), 839-844 (2015-07-15)
Impaired lipid metabolism and inflammatory pathways have individually been implicated in the development of insulin resistance in skeletal muscle; however, little evidence is available to date linking the two in this context. In this study, we explored a potential molecular
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Obesity, often associated with insulin resistance and type 2 diabetes, is a metabolic disease that can result in dyslipidemia and hyperglycemia. Many reports describe the hypoglycemic and hypolipidemic properties of the Phoenix dactylifera L. seed extract in STZ-induced diabetic rat
Ji-Feng Wen et al.
Cancer biomarkers : section A of Disease markers, 28(2), 231-246 (2020-06-09)
Chemotherapy is one of the primary treatments used against cancer. Cisplatin is a conventional chemotherapy drug used to treat osteosarcoma; however, due to the development of cisplatin resistance, advantageous therapeutic outcomes and prognosis of osteosarcoma remain low. Thus, investigation of
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Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. What color should be perceived when the reaction mix B is added to the samples/standards?

    1 answer

    1. The expected color is yellow to yellowish orange. The color of the standard may be easier to perceive as the standard is pure 2-DG6P, compared to a sample, where it is concentration dependent.

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