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AB266449

Human MDH2 knockout HEK-293T cell line

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MDH2 KO cell line available to order. KO validated by Western blot. Free of charge wild type control available. Knockout achieved by using CRISPR/Cas9, 4 bp deletion in exon 4 and Insertion of the selection cassette in exon 4. To order both knockout and wild-type control cells: select '2 x 1000000 Cells/vial'. To order only knockout cells: select '1000000 Cells/vial'.
5 Images
Western blot - Human MDH2 knockout HEK-293T cell line (AB266449)
  • WB

Lab

Western blot - Human MDH2 knockout HEK-293T cell line (AB266449)

Lanes 1-4 : Merged signal (red and green). Green - ab181857 observed at 36 kDa. Red - loading control ab7291 observed at 50 kDa.

ab181857 Anti-MDH2 antibody [EPR14883(B)] was shown to specifically react with MDH2 in wild-type HEK293T cells. Loss of signal was observed when knockout cell line ab266449 (knockout cell lysate ab257533) was used. Wild-type and MDH2 knockout samples were subjected to SDS-PAGE. ab181857 and Anti-alpha Tubulin antibody [DM1A] - Loading Control (ab7291) were incubated overnight at 4° at 1 in 1000 dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

All lanes:

Western blot - Anti-MDH2 antibody [EPR14883(B)] (<a href='/en-us/products/primary-antibodies/mdh2-antibody-epr14883b-ab181857'>ab181857</a>) at 1/1000 dilution

Lane 1:

Wild-type HEK293T cell lysate at 20 µg

Lane 2:

MDH2 knockout HEK293T cell lysate at 20 µg

Lane 2:

Western blot - Human MDH2 knockout HEK-293T cell line (ab266449)

Lane 3:

K-562 cell lysate at 20 µg

Lane 4:

Human eyeball tissue lysate at 20 µg

Secondary

All lanes:

Western blot - Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-irdye-800cw-preadsorbed-ab216773'>ab216773</a>) at 1/10000 dilution

Predicted band size: 36 kDa

Observed band size: 36 kDa

false

Western blot - Human MDH2 knockout HEK-293T cell line (AB266449)
  • WB

Lab

Western blot - Human MDH2 knockout HEK-293T cell line (AB266449)

Lanes 1-4 : Merged signal (red and green). Green - ab181873 observed at 36 kDa. Red - loading control ab7291 observed at 50 kDa.

ab181873 Anti-MDH2 antibody [EPR14882(B)] was shown to specifically react with MDH2 in wild-type HEK293T cells. Loss of signal was observed when knockout cell line ab266449 (knockout cell lysate ab257533) was used. Wild-type and MDH2 knockout samples were subjected to SDS-PAGE. ab181873 and Anti-alpha Tubulin antibody [DM1A] - Loading Control (ab7291) were incubated overnight at 4° at 1 in 1000 dilution and 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

All lanes:

Western blot - Anti-MDH2 antibody [EPR14882(B)] (<a href='/en-us/products/primary-antibodies/mdh2-antibody-epr14882b-ab181873'>ab181873</a>) at 1/1000 dilution

Lane 1:

Wild-type HEK293T cell lysate at 20 µg

Lane 2:

MDH2 knockout HEK293T cell lysate at 20 µg

Lane 2:

Western blot - Human MDH2 knockout HEK-293T cell line (ab266449)

Lane 3:

K-562 cell lysate at 20 µg

Lane 4:

Human eyeball tissue lysate at 20 µg

Secondary

All lanes:

Western blot - Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed (<a href='/en-us/products/secondary-antibodies/goat-rabbit-igg-h-l-irdye-800cw-preadsorbed-ab216773'>ab216773</a>) at 1/10000 dilution

Predicted band size: 36 kDa

Observed band size: 36 kDa

false

Sanger Sequencing - Human MDH2 knockout HEK-293T cell line (AB266449)
  • Sanger seq

Unknown

Sanger Sequencing - Human MDH2 knockout HEK-293T cell line (AB266449)

Allele-1 : 4 bp deletion in exon 4

Sanger Sequencing - Human MDH2 knockout HEK-293T cell line (AB266449)
  • Sanger seq

Unknown

Sanger Sequencing - Human MDH2 knockout HEK-293T cell line (AB266449)

Allele-2 : Insertion of the selection cassette in exon 4.

Cell Culture - Human MDH2 knockout HEK-293T cell line (AB266449)
  • Cell Culture

Unknown

Cell Culture - Human MDH2 knockout HEK-293T cell line (AB266449)

Representative images of MDH2 knockout HEK293T cells, low and high confluency examples (top left and right respectively) and wild-type HEK293T cells, low and high confluency (bottom left and right respectively) showing typical adherent, epithelial-like morphology. Images were captured at 10X magnification using an EVOS M5000 microscope.

Key facts

Cell type

HEK-293T

Species or organism

Human

Tissue

Kidney

Form

Liquid

form

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Knockout achieved by using CRISPR/Cas9, 4 bp deletion in exon 4 and Insertion of the selection cassette in exon 4

Reactivity data

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Product details

We will provide viable cells that proliferate on revival.

This product is subject to limited use licenses from The Broad Institute, ERS Genomics Limited and Sigma-Aldrich Co. LLC, and is developed with patented technology. For full details of the licenses and patents please refer to our limited use license and patent pages.

What's included?

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Properties and storage information

Gene name
MDH2
Gene editing type
Knockout
Gene editing method
CRISPR technology
Knockout validation
Sanger Sequencing, Western blot
Shipped at conditions
Dry Ice
Appropriate short-term storage conditions
-196°C
Appropriate long-term storage conditions
-196°C

Handling procedures

Initial handling guidelines

Upon arrival, the vial should be stored in liquid nitrogen vapor phase and not at -80°C. Storage at -80°C may result in loss of viability.

1. Thaw the vial in 37°C water bath for approximately 1-2 minutes.
2. Transfer the cell suspension (0.8 mL) to a 15 mL/50 mL conical sterile polypropylene centrifuge tube containing 8.4 mL pre-warmed culture medium, wash vial with an additional 0.8 mL culture medium (total volume 10 mL) to collect remaining cells, and centrifuge at 201 x g (rcf) for 5 minutes at room temperature. 10 mL represents minimum recommended dilution. 20 mL represents maximum recommended dilution.
3. Resuspend the cell pellet in 5 mL pre-warmed culture medium and count using a haemocytometer or alternative cell counting method seed all remaining cells into a T25.
4. Incubate the culture at 37°C incubator with 5% CO2. Check the culture one day after revival and continue to check until 80% confluent. Media change can be given if needed.
5. Once confluent passage into an appropriate flask at a density of 2x104 cells/cm2. Seeding density is given as a guide only and should be scaled to align with individual lab schedules. Cultures should be monitored daily.

Subculture guidelines
  • All seeding densities should be based on cell counts gained by established methods.
  • A guide seeding density of 2x104 cells/cm2 is recommended.
  • Cells should be passaged when they have achieved 80-90% confluence.
Culture medium

DMEM (High Glucose) + 10% FBS

Cryopreservation medium

Cell Freezing Medium-DMSO Serum free media, contains 8.7% DMSO in MEM supplemented with methyl cellulose.

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

MDH2 also known as malate dehydrogenase 2 or mitochondrial malate dehydrogenase is an enzyme with a molecular mass of approximately 35 kDa. This enzyme catalyzes the conversion of malate to oxaloacetate using NAD+ as a cofactor. It is predominantly expressed in the mitochondria where it plays an important role in cellular respiration. The enzyme enables the malate dehydrogenase reaction which is key for the functioning of the tricarboxylic acid cycle.
Biological function summary

MDH2 participates in the critical process of energy production within the cell. While it does not form a complex itself its activity is intimately connected with other enzymes in mitochondrial energy metabolism. The malate dehydrogenase assay often measures the activity of MDH2 to understand the metabolic status of cells. By facilitating the oxidation of malate MDH2 aids in maintaining the efficiency of the mitochondrial electron transport chain by regenerating NADH.

Pathways

The enzyme is essential in the tricarboxylic acid (TCA) cycle and the malate-aspartate shuttle. In the TCA cycle MDH2 collaborates with enzymes like citrate synthase and isocitrate dehydrogenase to assist in the conversion of acetyl-CoA into energy-rich molecules. The malate-aspartate shuttle on the other hand involves MDH2 working closely with aspartate transaminase to transfer reducing equivalents into the mitochondria. These pathways highlight MDH2's importance in cellular energy homeostasis.

Mutations or dysregulation in MDH2 have connections to certain metabolic conditions and cancers. For example alterations in MDH2 activity might contribute to conditions like mitochondrial myopathy altering energy metabolism. Moreover MDH2 is associated with NADH-producing enzymes whose dysregulation can support oncogenic pathways in cancer. Understanding these associations helps researchers pursue therapeutic targets that modulate MDH2 activity.

Quality control

STR analysis

CSF1PO, D13S317, D7S820, D5S818, TH01, D16S539, TPOX

Cell culture

Biosafety level

EU: 2 US: 2

Adherent/suspension

Adherent

Gender

Female

Product protocols

Product promise

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