Abcam, ab302333, Human SERPINB9 knockout K562 cell line

Size: 1000000Cells / vial
SERPINB9 KO cell line available to order. KO validated by Next Generation Sequencing. Free of charge wild type control available. To order both knockout and wild-type control cells: select 2 x 1000000Cells/vial. To order only knockout cells: select 1000000Cells/vial.
Key facts
Cell type:K-562,
Species or organism:Human,
Tissue:Blood,
Form:LiquidSee storage information,
Knockout validation:Next Generation Sequencing,
Disease:Chronic Myelogenous Leukemia

Product details:
We will provide viable cells that proliferate on revival.
This product is subject to limited use licenses from The Broad Institute and ERS Genomics Limited, and is developed with patented technology. For full details of the limited use licenses and relevant patents please refer to our
limited use license
patent pages

Properties and Storage Information:
Gene name-SERPINB9, Gene editing type-Knockout, Gene editing method-CRISPR technology, Knockout validation-Next Generation Sequencing, Shipped at conditions-Dry Ice, Appropriate short-term storage conditions--196°C, Appropriate long-term storage conditions--196°C

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
The PI-9 protein also known as serpinB9 is a serine protease inhibitor with a molecular mass of approximately 42 kDa. It is expressed primarily in immune cells such as cytotoxic T lymphocytes and natural killer cells as well as in some neurons and hepatocytes. The protein inhibits proteolytic enzymes to prevent unwanted cell death mainly controlling granzyme B activity.
Biological function summary
PI-9 helps regulate immune cell activity and prevent autoimmunity by inhibiting granule-mediated apoptosis. It functions as part of a complex that manages cell death pathways acting as a guardian against excessive cytotoxic actions by the immune system. Its regulatory role ensures the balance between attacking pathogens and protecting host cells from unnecessary destruction.
Pathways
PI-9 plays an integral role in the apoptotic pathway interacting with proteins like granzyme B to protect host cells from immune-mediated killing. It is also involved in the cellular response to stress especially within the immune system's cytotoxic responses. The protein's interaction with granzyme B highlights its role in maintaining the balance between immune defense and cellular protection.
PI-9 has been linked to autoimmune conditions and cancer. It helps regulate autoimmune responses by preventing excessive apoptosis which could otherwise lead to tissue damage. In cancer PI-9 overexpression is sometimes observed potentially allowing tumor cells to evade immune surveillance. The relationship between PI-9 and granzyme B is important in understanding its dual role in disease contexts.