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Clusterin/Apolipoprotein J/Apo-J  Protein, Antibody, ELISA Kit, cDNA Clone

Clusterin/Apolipoprotein J/Apo-J 関連経路

    Clusterin/Apolipoprotein J/Apo-J サマリー & タンパク質情報

    Clusterin/Apolipoprotein J/Apo-J 背景

    遺伝子の概要: The protein encoded by CLU gene is a secreted chaperone that can under some stress conditions also be found in the cell cytosol. It has been suggested to be involved in several basic biological events such as cell death, tumor progression, and neurodegenerative disorders. Alternate splicing results in both coding and non-coding variants.[provided by RefSeq, May 2011]
    General information above from NCBI
    サブユニット構造: Antiparallel disulfide-linked heterodimer of an alpha chain and a beta chain. Self-associates and forms higher oligomers. Interacts with a broad range of misfolded proteins, including APP, APOC2 and LYZ. Slightly acidic pH promotes interaction with misfolded proteins. Forms high-molecular weight oligomers upon interaction with misfolded proteins. Interacts with APOA1, LRP2, CLUAP1 AND PON1. Interacts with the complement complex. Interacts (via alpha chain) with XRCC6. Interacts with SYVN1, COMMD1, BTRC, CUL1 and with ubiquitin and SCF (SKP1-CUL1-F- box protein) E3 ubiquitin-protein ligase complexes. Interacts (via alpha chain) with BAX in stressed cells, where BAX undergoes a conformation change leading to association with the mitochondrial membrane. Does not interact with BAX in unstressed cells. Found in a complex with LTF, CLU, EPPIN and SEMG1.
    細胞内位置: Isoform 1: Secreted. Note=Can retrotranslocate from the secretory compartments to the cytosol upon cellular stress.
    Nucleus. Cytoplasm. Mitochondrion membrane; Peripheral membrane protein; Cytoplasmic side. Cytoplasm, cytosol. Microsome. Endoplasmic reticulum. Cytoplasmic vesicle, secretory vesicle, chromaffin granule (By similarity). Note=Isoforms lacking the N-terminal signal sequence have been shown to be cytoplasmic and/or nuclear. Secreted isoforms can retrotranslocate from the secretory compartments to the cytosol upon cellular stress. Detected in perinuclear foci that may be aggresomes containing misfolded, ubiquitinated proteins. Detected at the mitochondrion membrane upon induction of apoptosis.
    組織特異性: Detected in blood plasma, cerebrospinal fluid, milk, seminal plasma and colon mucosa. Detected in the germinal center of colon lymphoid nodules and in colon parasympathetic ganglia of the Auerbach plexus (at protein level). Ubiquitous. Detected in brain, testis, ovary, liver and pancreas, and at lower levels in kidney, heart, spleen and lung.
    誘導: Up-regulated in response to enterovirus 71 (EV71) infection (at protein level). Up-regulated by agents that induce apoptosis, both at mRNA and protein level. Isoform 1 is up- regulated by androgen. Isoform 2 is down-regulated by androgen.
    翻訳後: Isoform 1 is proteolytically cleaved on its way through the secretory system, probably within the Golgi lumen.
    Polyubiquitinated, leading to proteasomal degradation.
    Heavily N-glycosylated. About 30% of the protein mass is comprised of complex N-linked carbohydrate.
    シーケンスの類似性: Belongs to the clusterin family.
    General information above from UniProt

    Clusterin, also known as complement-associated protein SP-40, Complement cytolysis inhibitor, Apolipoprotein J, Testosterone-repressed prostate message 2, Aging-associated gene 4 protein, CLU and APOJ, is a secreted protein which belongs to the clusterin family. Clusterin/Apolipoprotein J/Apo-J is an enigmatic glycoprotein with a nearly ubiquitous tissue distribution and an apparent involvement in biological processes ranging from mammary gland involution to neurodegeneration in Alzheimer's disease. Its major form, a heterodimer, is secreted and present in physiological fluids, but truncated forms targeted to the nucleus have also been identified. Clusterin/Apolipoprotein J/Apo-J is a widely distributed glycoprotein with a wide range of biologic properties. A prominent and defining feature of clusterin is its marked induction in such disease states as glomerulonephritis, cystic renal disease, renal tubular injury, neurodegenerative conditions, atherosclerosis, and myocardial infarction. Upregulation of clusterin mRNA and protein levels detected in diverse disease states and in in vitro systems have led to suggestions that it functions in membrane lipid recycling, in apoptotic cell death, and as a stress-induced secreted chaperone protein, amongst others.

    Clusterin/Apolipoprotein J/Apo-J 代替名

    CLI,AAG4,APOJ,CLU1,CLU2,KUB1,SGP2,APO-J,SGP-2,SP-40,TRPM2,TRPM-2,NA1/NA2, [homo-sapiens]
    AAG4,aging-associated protein 4,APOJ,apo-J,apolipoprotein J,CLI,CLU,Clusterin,complement cytolysis inhibitor,complement lysis inhibitor,KUB1,MGC24903,NA1/NA2,SGP2,SGP-2,SP-40,TRPM2,TRPM-2, [human]
    Apolipoprotein J,AI893575,ApoJ,apo-J,Cli,Clu,Clusterin,clustrin,complement lysis inhibitor,D14Ucla3,Sgp2,Sgp-2,SP-40,Sugp-2,sulfated glycoprotein 2, [mouse]
    Cli,ApoJ,Sgp2,SP-40,Sgp-2,Sugp-2,AI893575,D14Ucla3, [mus-musculus]

    Clusterin/Apolipoprotein J/Apo-J 関連研究

  • Silkensen JR, et al. (1994) The role of clusterin in tissue injury. Biochem Cell Biol. 72(11-12): 483-8.
  • Naik RR, et al. (2002) Biomimetic synthesis and patterning of silver nanoparticles. Nat Mater. 1(3): 169-72.
  • Djeu JY, et al. (2009) Clusterin and chemoresistance. Adv Cancer Res. 105: 77-92.
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