Mtor Colorimetric Cell-Based ELISA Kit

Product Name:	Mtor Colorimetric Cell-Based ELISA
Product Code:	CBCAB00772
ELISA Type:	Cell-Based
Target:	Mtor
Reactivity:	Human, Mouse, Rat
Dynamic Range:	> 5000 Cells
Detection Method:	Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:	96-Well Microplate

The Mtor Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect Mtor protein expression profile in cells. The kit can be used for measuring the relative amounts of Mtor in cultured cells as well as screening for the effects that various treatments, inhibitors (ie siRNA or chemicals), or activators have on Mtor.

Qualitative determination of Mtor concentration is achieved by an indirect ELISA format. In essence, Mtor is captured by Mtor-specific primary antibodies while the HRP-conjugated secondary antibodies bind the Fc region of the primary antibody. Through this binding, the HRP enzyme conjugated to the secondary antibody can catalyze a colorimetric reaction upon substrate addition. Due to the qualitative nature of the Cell-Based ELISA, multiple normalization methods are needed:

1.	A monoclonal antibody specific for human GAPDH is included to serve as an internal positive control in normalizing the target absorbance values.
2.	Following the colorimetric measurement of HRP activity via substrate addition, the Crystal Violet whole-cell staining method may be used to determine cell density. After staining, the results can be analysed by normalizing the absorbance values to cell amounts, by which the plating difference can be adjusted.

Database Information:	Gene ID: 2475, UniProt ID: P42345, OMIM: 601231, Unigene: Hs.338207
Gene Symbol:	MTOR
Sub Type:	None

UniProt Protein Function:	mTOR: an atypical kinase belonging to the PIKK family of kinases. Is the catalytic subunit of two protein complexes, mTORC1 and mTORC2. mTORC1 activates S6K and inactivates 4E-BP1, up-regulating protein synthesis. mTORC1 contains Raptor, a positive regulatory subunit and scaffold for recruiting substrates, two negative regulators, PRAS40 and DEPTOR, and mLST8; it is a target for the cell-cycle arrest and immunosuppressive effects of the FKBP12-rapamycin complex. mTORC2, a downstream effector of PI3K, is insensitive to rapamycin and activates Akt by phosphorylating a key activation site. mTORC2 contains regulatory subunits Rictor and mSIN1, PROTOR, mLST8, and the negative regulator DEPTOR. mTORC1 suppresses PI3K activity via a strong negative feedback loop that involves S6K1. Inhibiting mTORC1 ablates this negative feedback loop and potentiates PI3K signaling. Known inhibitors of mTOR include rapamycin, temsirolimus (CCI-779).
UniProt Protein Details:	Protein type:Protein kinase, atypical; Motility/polarity/chemotaxis; Protein kinase, Ser/Thr (non-receptor); Autophagy; EC 2.7.11.1; Kinase, protein; ATYPICAL group; PIKK family; FRAP subfamily Chromosomal Location of Human Ortholog: 1p36.2 Cellular Component: cell soma; cytoplasm; cytosol; dendrite; endomembrane system; endoplasmic reticulum membrane; Golgi membrane; lysosomal membrane; lysosome; membrane; mitochondrial outer membrane; nucleoplasm; phosphoinositide 3-kinase complex; PML body; TORC2 complex Molecular Function:ATP binding; drug binding; kinase activity; phosphoprotein binding; protein binding; protein domain specific binding; protein kinase binding; protein serine/threonine kinase activity; ribosome binding Biological Process: 'de novo' pyrimidine base biosynthetic process; brain development; cardiac muscle cell development; cardiac muscle contraction; cell aging; cell cycle arrest; cell growth; cellular response to nutrient levels; DNA repair; energy reserve metabolic process; epidermal growth factor receptor signaling pathway; fibroblast growth factor receptor signaling pathway; gene expression; germ cell development; growth; heart morphogenesis; innate immune response; insulin receptor signaling pathway; long-term memory; macroautophagy; maternal process involved in pregnancy; mRNA stabilization; multicellular organism growth; negative regulation of autophagy; negative regulation of cell size; negative regulation of muscle atrophy; negative regulation of NFAT protein import into nucleus; negative regulation of protein amino acid phosphorylation; negative regulation of protein ubiquitination; nerve growth factor receptor signaling pathway; peptidyl-serine phosphorylation; peptidyl-threonine phosphorylation; phosphoinositide-mediated signaling; phosphorylation; positive regulation of actin filament polymerization; positive regulation of endothelial cell proliferation; positive regulation of lipid biosynthetic process; positive regulation of neuron maturation; positive regulation of nitric oxide biosynthetic process; positive regulation of oligodendrocyte differentiation; positive regulation of peptidyl-tyrosine phosphorylation; positive regulation of protein amino acid phosphorylation; positive regulation of protein kinase B signaling cascade; positive regulation of smooth muscle cell proliferation; positive regulation of stress fiber formation; positive regulation of transcription from RNA polymerase III promoter; positive regulation of translation; post-embryonic development; protein amino acid autophosphorylation; protein amino acid phosphorylation; protein catabolic process; regulation of actin cytoskeleton organization and biogenesis; regulation of carbohydrate utilization; regulation of fatty acid beta-oxidation; regulation of glycogen biosynthetic process; regulation of GTPase activity; regulation of myelination; regulation of osteoclast differentiation; regulation of protein kinase activity; regulation of response to food; response to amino acid stimulus; response to cocaine; response to morphine; response to nutrient; response to stress; ruffle organization and biogenesis; signal transduction; social behavior; spinal cord development; T cell costimulation; TOR signaling pathway; transcription initiation from RNA polymerase II promoter; vascular endothelial growth factor receptor signaling pathway; visual learning; voluntary musculoskeletal movement; wound healing
NCBI Summary:	The protein encoded by this gene belongs to a family of phosphatidylinositol kinase-related kinases. These kinases mediate cellular responses to stresses such as DNA damage and nutrient deprivation. This protein acts as the target for the cell-cycle arrest and immunosuppressive effects of the FKBP12-rapamycin complex. The ANGPTL7 gene is located in an intron of this gene. [provided by RefSeq, Sep 2008]
UniProt Code:	P42345
NCBI GenInfo Identifier:	1169735
NCBI Gene ID:	2475
NCBI Accession:	P42345.1
UniProt Secondary Accession:	P42345,Q4LE76, Q5TER1, Q6LE87, Q96QG3, Q9Y4I3,
UniProt Related Accession:	P42345
Molecular Weight:	288,892 Da
NCBI Full Name:	Serine/threonine-protein kinase mTOR
NCBI Synonym Full Names:	mechanistic target of rapamycin
NCBI Official Symbol:	MTOR
NCBI Official Synonym Symbols:	SKS; FRAP; FRAP1; FRAP2; RAFT1; RAPT1
NCBI Protein Information:	serine/threonine-protein kinase mTOR
UniProt Protein Name:	Serine/threonine-protein kinase mTOR
UniProt Synonym Protein Names:	FK506-binding protein 12-rapamycin complex-associated protein 1; FKBP12-rapamycin complex-associated protein; Mammalian target of rapamycin; mTOR; Mechanistic target of rapamycin; Rapamycin and FKBP12 target 1; Rapamycin target protein 1
Protein Family:	Serine/threonine-protein kinase
UniProt Gene Name:	MTOR
UniProt Entry Name:	MTOR_HUMAN

Component	Quantity
96-Well Cell Culture Clear-Bottom Microplate	2 plates
10X TBS	24 mL
Quenching Buffer	24 mL
Blocking Buffer	50 mL
15X Wash Buffer	50 mL
Primary Antibody Diluent	12 mL
100x Anti-Phospho Target Antibody	60 µL
100x Anti-Target Antibody	60 µL
Anti-GAPDH Antibody	60 µL
HRP-Conjugated Anti-Rabbit IgG Antibody	12 mL
HRP-Conjugated Anti-Mouse IgG Antibody	12 mL
SDS Solution	12 mL
Stop Solution	24 mL
Ready-to-Use Substrate	12 mL
Crystal Violet Solution	12 mL
Adhesive Plate Seals	2 seals

The following materials and/or equipment are NOT provided in this kit but are necessary to successfully conduct the experiment:

Microplate reader able to measure absorbance at 450 nm and/or 595 nm for Crystal Violet Cell Staining (Optional)
Micropipettes with capability of measuring volumes ranging from 1 µL to 1 ml
37% formaldehyde (Sigma Cat# F-8775) or formaldehyde from other sources
Squirt bottle, manifold dispenser, multichannel pipette reservoir or automated microplate washer
Graph paper or computer software capable of generating or displaying logarithmic functions
Absorbent papers or vacuum aspirator
Test tubes or microfuge tubes capable of storing ≥1 ml
Poly-L-Lysine (Sigma Cat# P4832 for suspension cells)
Orbital shaker (optional)
Deionized or sterile water

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

Step	Procedure
1.	Seed 200 µL of 20,000 adherent cells in culture medium in each well of a 96-well plate. The plates included in the kit are sterile and treated for cell culture. For suspension cells and loosely attached cells, coat the plates with 100 µL of 10 µg/ml Poly-L-Lysine (not included) to each well of a 96-well plate for 30 minutes at 37°C prior to adding cells.
2.	Incubate the cells for overnight at 37°C, 5% CO2.
3.	Treat the cells as desired.
4.	Remove the cell culture medium and rinse with 200 µL of 1x TBS, twice.
5.	Fix the cells by incubating with 100 µL of Fixing Solution for 20 minutes at room temperature. The 4% formaldehyde is used for adherent cells and 8% formaldehyde is used for suspension cells and loosely attached cells.
6.	Remove the Fixing Solution and wash the plate 3 times with 200 µL 1x Wash Buffer for five minutes each time with gentle shaking on the orbital shaker. The plate can be stored at 4°C for a week.
7.	Add 100 µL of Quenching Buffer and incubate for 20 minutes at room temperature.
8.	Wash the plate 3 times with 1x Wash Buffer for 5 minutes each time.
9.	Add 200 µL of Blocking Buffer and incubate for 1 hour at room temperature.
10.	Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
11.	Add 50 µL of 1x primary antibodies (Anti-Mtor Antibody and/or Anti-GAPDH Antibody) to the corresponding wells, cover with Parafilm and incubate for 16 hours (overnight) at 4°C. If the target expression is known to be high, incubate for 2 hours at room temperature.
12.	Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
13.	Add 50 µL of 1x secondary antibodies (HRP-Conjugated AntiRabbit IgG Antibody or HRP-Conjugated Anti-Mouse IgG Antibody) to corresponding wells and incubate for 1.5 hours at room temperature.
14.	Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
15.	Add 50 µL of Ready-to-Use Substrate to each well and incubate for 30 minutes at room temperature in the dark.
16.	Add 50 µL of Stop Solution to each well and read OD at 450 nm immediately using the microplate reader.

(Additional Crystal Violet staining may be performed if desired – details of this may be found in the kit technical manual.)

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Mtor Colorimetric Cell-Based ELISA Kit

Description