USP9X KO cell line available to order. KO validated by Western blot. Free of charge wild type control provided. Knockout achieved by using CRISPR/Cas9, 1 bp deletion in exon 9 and 1 bp insertion in exon 9.
DFFRX, Deubiquitinating enzyme FAF-X, Drosophila fat facets related X linked, FAF, Fafl, Fat facets homolog, Fat facets in mammals, Fat facets protein related X linked, Fat facets protein-related, MRX99, Probable ubiquitin carboxyl-terminal hydrolase FAF-X, USP9 (gene name), USP9X_HUMAN, Ubiquitin carboxyl-terminal hydrolase FAM, Ubiquitin specific peptidase 9 X linked, Ubiquitin specific protease 9 X chromosome, Ubiquitin thioesterase FAF X, Ubiquitin thiolesterase FAF-X, Ubiquitin-specific protease 9, Ubiquitin-specific-processing protease FAF-X, Uubiquitin specific protease 9, X chromosome (fat facets like Drosophila), X chromosome, X-linked, hFAM
USP9X KO cell line available to order. KO validated by Western blot. Free of charge wild type control provided. Knockout achieved by using CRISPR/Cas9, 1 bp deletion in exon 9 and 1 bp insertion in exon 9.
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.
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.
USP9x also known as ubiquitin-specific peptidase 9 X-linked is a deubiquitinating enzyme that plays a critical role in protein homeostasis. USP9x belongs to the USP family and has an approximate molecular mass of 290 kDa. It is expressed broadly in human tissues with particularly high levels in the brain and pancreas. Mechanically USP9x functions to remove ubiquitin molecules from ubiquitinated substrates preventing their degradation by the proteasome. This regulatory action influences many cellular processes by stabilizing specific proteins.
USP9x influences numerous cellular mechanisms by maintaining protein balance. It is a part of the complex cellular machinery involved in signal transduction cell division and apoptosis. While its enzyme activity regulates various cellular proteins USP9x is essential in neural development and differentiation. The proteolytic activity helps to modulate pathways by controlling protein turnover which impacts cellular responses and development. Failure to regulate proteins accurately can lead to compromised cellular functions.
USP9x participates prominently in the Wnt signaling and TGF-beta pathways. Its role in deubiquitination allows it to stabilize proteins like beta-catenin and SMAD4 which are vital for transmitting signals within these pathways. Through these interactions USP9x aids in cell proliferation migration and differentiation often connecting with other proteins like APC or Axin in the Wnt pathway. This demonstrates how USP9x's enzymatic activity intricately links to key biological signaling mechanisms.
Mutations and dysregulation of USP9x associate with cancer and neurodevelopmental disorders. In cancer it impairs normal cell cycle control and apoptosis facilitating unchecked cell proliferation. It interacts with proteins such as MCL1 influencing apoptosis decisions and tumor growth. In neurodevelopmental disorders USP9x affects brain development by disrupting neural cell differentiation processes. The protein's malfunction causes imbalances in brain signaling linking it to conditions like intellectual disability.
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Anti-USP9x antibody [EPR13809(B)] - N-terminal ab180191 was shown to react with USP9x in wild-type HeLa cells in western blot. Loss of signal was observed when knockout cell line ab265665 (knockout cell lysate Human USP9X knockout HeLa cell lysate ab257790) was used. Wild-type HeLa and USP9X knockout HeLa cell lysates were subjected to SDS-PAGE. Membrane was blocked for 1 hour at room temperature in 0.1% TBST with 3% non-fat dried milk. Anti-USP9x antibody [EPR13809(B)] - N-terminal ab180191 and Anti-alpha Tubulin antibody [DM1A] - Loading Control (Anti-alpha Tubulin antibody [DM1A] - Loading Control ab7291) were incubated overnight at 4°C at a 1 in 1000 dilution and a 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye®800CW) preadsorbed (Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed ab216773) and Goat anti-Mouse IgG H&L (IRDye®680RD) preadsorbed (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-USP9x antibody [EPR13809(B)] - N-terminal (Anti-USP9x antibody [EPR13809(B)] - N-terminal ab180191) at 1/1000 dilution
Lane 1: Wild-type HeLa cell lysate at 20 µg
Lane 2: USP9X knockout HeLa cell lysate at 20 µg
Lane 2: Western blot - Human USP9X knockout HeLa cell line (ab265665)
Performed under reducing conditions.
Predicted band size: 140 kDa, 292 kDa
Observed band size: 220 kDa, 290 kDa
Anti-USP9x antibody ab19879 was shown to react with USP9x in wild-type HeLa cells in western blot. Loss of signal was observed when knockout cell line ab265665 (knockout cell lysate Human USP9X knockout HeLa cell lysate ab257790) was used. Wild-type HeLa and USP9X knockout HeLa cell lysates were subjected to SDS-PAGE. Membrane was blocked for 1 hour at room temperature in 0.1% TBST with 3% non-fat dried milk. Anti-USP9x antibody ab19879 and Anti-alpha Tubulin antibody [DM1A] - Loading Control (Anti-alpha Tubulin antibody [DM1A] - Loading Control ab7291) were incubated overnight at 4°C at a 1 μg/ml and a 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye®800CW) preadsorbed (Goat anti-Rabbit IgG H&L (IRDye® 800CW) preadsorbed ab216773) and Goat anti-Mouse IgG H&L (IRDye®680RD) preadsorbed (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-USP9x antibody (Anti-USP9x antibody ab19879) at 1 µg/mL
Lane 1: Wild-type HeLa cell lysate at 20 µg
Lane 2: USP9X knockout HeLa cell lysate at 20 µg
Lane 2: Western blot - Human USP9X knockout HeLa cell line (ab265665)
Performed under reducing conditions.
Predicted band size: 292 kDa
Observed band size: 290 kDa
Allele-2: 1 bp insertion in exon 9.
Allele-1: 1 bp deletion in exon 9.
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