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AB266896

Human MELK knockout HCT116 cell line

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MELK KO cell line available to order. KO validated by Western blot. Free of charge wild type control available. Knockout achieved by using CRISPR/Cas9, 1 bp deletion in exon 9 and Insertion of the selection cassette in exon 9. To order both knockout and wild-type control cells: select '2 x 1000000 Cells/vial'. To order only knockout cells: select '1000000 Cells/vial'.
3 Images
Western blot - Human MELK knockout HCT116 cell line (AB266896)
  • WB

Lab

Western blot - Human MELK knockout HCT116 cell line (AB266896)

Lanes 1 - 2 : Merged signal (red and green). Green - ab108529 observed at 75 kDa. Red - loading control ab8245 (Mouse anti-GAPDH antibody [6C5]) observed at 37kDa.

ab108529 was shown to react with MELK in wild-type HCT116 cells in western blot with loss of signal observed in MELK knockout cell line ab266896 (MELK knockout cell lysate ab257537). Wild-type and MELK knockout HCT116 cell lysates were subjected to SDS-PAGE. Membranes were blocked in 3% milk in TBS-T (0.1% Tween®) before incubation with ab108529 and ab8245 (Mouse anti-GAPDH antibody [6C5]) overnight at 4° at a 1 in 1000 dilution and a 1 in 20000 dilution respectively. Blots were incubated with Goat anti-Rabbit IgG H&L (IRDye® 800CW) preabsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye® 680RD) preabsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

All lanes:

Western blot - Anti-MELK antibody [EPR3981] (<a href='/en-us/products/primary-antibodies/melk-antibody-epr3981-ab108529'>ab108529</a>) at 1/1000 dilution

Lane 1:

HCT116 cell lysate at 20 µg

Lane 2:

MELK knockout HCT116 cell lysate at 20 µg

Lane 2:

Western blot - Human MELK knockout HCT116 cell line (ab266896)

Predicted band size: 74 kDa

Observed band size: 75 kDa

false

Sanger Sequencing - Human MELK knockout HCT116 cell line (AB266896)
  • Sanger seq

Unknown

Sanger Sequencing - Human MELK knockout HCT116 cell line (AB266896)

Allele-1 : 1 bp deletion in exon9

Sanger Sequencing - Human MELK knockout HCT116 cell line (AB266896)
  • Sanger seq

Unknown

Sanger Sequencing - Human MELK knockout HCT116 cell line (AB266896)

Allele-2 : Insertion of the selection cassette in exon 9.

Key facts

Cell type

HCT116

Species or organism

Human

Tissue

Colon

Form

Liquid

form

Knockout validation

Sanger Sequencing,Western blot

Mutation description

Knockout achieved by using CRISPR/Cas9, 1 bp deletion in exon 9 and Insertion of the selection cassette in exon 9

Disease

Carcinoma

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "WB": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

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
MELK
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

McCoY5a + 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.

Maternal embryonic leucine zipper kinase commonly referred to as MELK is a serine/threonine protein kinase with a molecular mass of about 74 kDa. MELK is broadly expressed in both human and animal tissues with significant presence in embryonic and adult stem cells. Researchers often recognize it as MELK or MELK-0A21 in studies. The protein is characterized by its regulation of cell division and apoptosis making it an important player in cellular proliferation.
Biological function summary

MELK regulates signals that control the cell cycle apoptosis and embryonic development. MELK works as a component of complexes involved in maintaining cellular homeostasis. The protruding roles involve influencing cellular architecture and governance of stem cell maintenance. Studies in animal models show MELK involvement in maintaining pluripotency and regulation during the development phase.

Pathways

MELK participates in key processes such as the cell cycle and apoptosis pathways. Its diverse functionality connects MELK to proteins like Bcl-2-associated death promoter (BAD) and p53 which further influence main cellular events. These pathways and interactions make MELK a target of interest in the study of cellular growth and programmed cell death.

Researchers link MELK to cancer and neurodegenerative diseases. The overexpression of MELK is frequently observed in various cancer types making it relevant to oncogenesis. Studies examine its relation to proteins like cyclin-dependent kinases (CDKs) and survivin in cancer progression. Additionally MELK-0A21 variants may offer insights in disorders like Glioblastoma where abnormal MELK activity aligns with disease aggression.

Quality control

STR analysis

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

Cell culture

Biosafety level

EU: 1 US: 1

Adherent/suspension

Adherent

Gender

Male

Product protocols

Product promise

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