Description
Key facts
Cell type:HeLa,
Species or organism:Human,
Tissue:Cervix,
Knockout validation:Sanger Sequencing,
Mutation description:Knockout achieved by using CRISPR/Cas9, 1 bp deletion in exon10 and 1 bp insertion in exon10 and 2 bp deletion in exon10.,
Disease:Adenocarcinoma
Product details:
Knockout cell lysate achieved by CRISPR/Cas9.
REACH authorisation
Abcam has not and does not intend to apply for the REACH Authorisation of customers' uses of products that contain European Authorisation list (Annex XIV) substances.
It is the responsibility of our customers to check the necessity of application of REACH Authorisation, and any other relevant authorisations, for their intended uses.
Lysate preparation:
Our lysates are made using RIPA buffer to which we add a protease inhibitor cocktail and phosphatase inhibitor cocktail (ratio: 300:100:10).
This means that the protein of interest is denatured.
If you require a native form of the protein please use the live cell version. Please refer to our lysis protocol for further details on how our lysates are prepared.
User storage instructions:
Lyophilizate may be stored at 4°C. After reconstitution, store at -20°C for short-term storage or -80°C for long-term storage.
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
patent pages
Properties and Storage Information:
Gene name-ERN1, Gene editing type-Knockout, Gene editing method-CRISPR technology, Knockout validation-Sanger Sequencing, Shipped at conditions-Ambient - Can Ship with Ice, Appropriate short-term storage conditions--20°C, Appropriate long-term storage conditions--20°C
Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
The inositol-requiring enzyme 1 (IRE1) also known as ERN1 or IRE1 alpha is a critical endoplasmic reticulum (ER) stress sensor. It has a molecular weight of approximately 110 kDa. IRE1 is expressed in various cell types and tissues particularly in those subject to a high degree of protein synthesis such as the liver pancreas and secretory cells. This protein plays a dual role as both a RNase and a kinase which enables it to respond swiftly to misfolded proteins accumulating in the ER.
Biological function summary
IRE1 is an important regulator in the unfolded protein response (UPR) a cellular reaction to stress in the ER. It operates as part of a complex mechanism facilitating the splicing of X-box binding protein 1 (XBP1) mRNA which results in the production of a potent transcription factor. IRE1 activity helps in restoring normal function of the cell by upregulating genes involved in protein folding secretion and degradation. Its actions are important for maintaining cellular homeostasis during stressful conditions.
Pathways
IRE1 is an integral component of the UPR pathway which works to alleviate ER stress. It interacts closely with other UPR transducers such as activating transcription factor 6 (ATF6) and protein kinase RNA-like ER kinase (PERK). IRE1 connects with the XBP1 pathway facilitating adaptive responses that enhance protein-folding capacity lipid biosynthesis and ER-associated degradation. Altogether these pathways mediate cell survival or apoptosis depending on the severity of the stress.
IRE1 has significant involvement in conditions like diabetes and cancer. In the context of diabetes improper UPR signaling due to chronic ER stress leads to insulin resistance and pancreatic beta-cell dysfunction. In cancer IRE1 modulates tumor microenvironment and promotes cancer cell survival under hypoxic conditions. The XBP1 pathway linked with IRE1 also plays a substantial role in these diseases by influencing cell proliferation and apoptosis. Understanding the mechanisms of IRE1 in these conditions might provide therapeutic insights.
