Abcam, ab317389, Anti-INPP4B antibody [S08-7C7]

Size: 100µL
Rabbit Monoclonal INPP4B antibody. Suitable for WB and reacts with Rat samples. Immunogen corresponding to Synthetic Peptide within Human INPP4B.
Key facts
Host species:Rabbit,
Clonality:Monoclonal,
Clone number:S08-7C7,
Isotype:IgG,
Carrier free:No,
Reacts with:Rat,
Applications:WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Synthetic Peptide within Human INPP4B.O15327

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification, Storage buffer-pH: 7.4Preservative: 0.01% Sodium azideConstituents: 55.08% Water, 40% Glycerol (glycerin, glycerine), 0.98% Tris glycine, 0.88% Sodium chloride, 0.05% BSA, Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
INPP4B also known as inositol polyphosphate-4-phosphatase type II has a molecular mass of approximately 105 kDa. This enzyme primarily localizes in the cytoplasm but also presents in the nucleus. It catalyzes the hydrolysis of the 4-phosphate group from phosphoinositides converting phosphatidylinositol (34)-bisphosphate (PI(34)P2) to phosphatidylinositol 3-phosphate (PI3P). INPP4B expression is noticeable in various tissues including the prostate thyroid and breast suggesting its diverse roles in different physiological processes.
Biological function summary
INPP4B participates in regulating intracellular signaling pathways and maintaining cellular homeostasis. It is a negative regulator of the PI3K/AKT signaling cascade a critical pathway controlling cell growth proliferation survival and metabolism. INPP4B acts as a tumor suppressor modulating signals that impact cellular transformation and tumorigenesis. While not known to form a complex itself it indirectly influences complexes within the cascade through its regulatory functions.
Pathways
INPP4B contributes to the PI3K/AKT and mTOR pathways. It regulates PI3K/AKT signaling by decreasing levels of PI(34)P2 therefore modulating AKT activity. This action makes it an essential component in controlling mTOR signaling which affects protein synthesis and autophagy. INPP4B closely interacts with other signaling proteins like PTEN also a phosphatase which further lowers PI3K signaling by dephosphorylating PI(345)P3 to PI(45)P2.
INPP4B has notable links to cancer and insulin resistance. In some cancers like breast and prostate reduced INPP4B expression correlates with increased aggressive phenotypic markers and poor outcomes indicating its tumor-suppressive role. Its regulation of the PI3K/AKT pathway connects it to insulin signaling where dysregulated pathways can lead to insulin resistance a critical factor in type 2 diabetes. INPP4B interacts with proteins involved in these diseases like AKT and PTEN which further influence and exacerbate the pathology in these conditions.