Proteasome degradation
Stability of the Human Papillomavirus Type 18 E2 Protein Is Regulated by a Proteasome Degradation Pathway through Its Amino-Terminal Transactivation Domain
... of proteasome inhibitors in both HeLa and MCF7 cells, indicating the involvement of the proteasome pathway in its ...a degradation signal since deletion of this domain led to a strong stabilization ...
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Original Article Proteasome degradation of brain cytosolic tau in Alzheimer’s disease
... 30S proteasome and 26 hybrid proteasome activity on degradation of ...proteasomal degradation. Failure of 20S proteasome degradation of tau {see Case 8 with PHF-tau in F44-F52 ...
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Downregulation of Siah1 promotes colorectal cancer cell proliferation and migration by regulating AKT and YAP ubiquitylation and proteasome degradation
... As the key molecule of PI3K-AKT signaling, AKT plays an oncogenic role in the development and progres- sion of cancers, and it could also be a potential target for tumor therapy [51]. For example, TRAF6 catalyzed K63 ...
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A novel form of hereditary myeloperoxidase deficiency linked to endoplasmic reticulum/proteasome degradation
... the proteasome may be different from that for CFTR or other integral membrane ...the proteasome can be ex- tended to include those destined for the ...ER/ proteasome degradation machinery ...
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NF2 blocks Snail-mediated p53 suppression in mesothelioma
... In previous, we showed that RKIP is a transcriptional target of p53 [23]. Thus, we speculated that reduction of p53 would be one of reason for RKIP reduction. To test this, we first examined the relevance between p53 ...
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CD4 Glycoprotein Degradation Induced by Human Immunodeficiency Virus Type 1 Vpu Protein Requires the Function of Proteasomes and the Ubiquitin-Conjugating Pathway
... of proteasome function and also by lactacystin, which blocks proteasome activity by covalently binding to the catalytic b subunits of ...CD4 degradation to proteasome inhibitors paralleled the ...
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Degradation of Tobacco Mosaic Virus Movement Protein by the 26S Proteasome
... Protein degradation by the 26S proteasome has been shown to regulate key steps in the cell cycle (reviewed in reference 21) and is involved in the regulation of gene transcription (re- viewed in reference ...
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MEK1 signaling promotes self-renewal and tumorigenicity of liver cancer stem cells via maintaining SIRT1 protein stabilization
... the proteasome inhibitor-MG132 and our results showed that expression of SIRT1 protein was modestly higher (~2-fold) compared with the untreated (Figure ...inhibits proteasome degradation of SIRT1, ...
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Major Histocompatibility Complex Class II HLA-DRα Is Downregulated by Kaposi's Sarcoma-Associated Herpesvirus-Encoded Lytic Transactivator RTA and MARCH8
... RTA expression leads to induction of MARCH8 levels. It is well documented that HLA-DR␣ is a substrate of MARCH8 and MARCH9, members of the membrane-associated RING-CH (MARCH) family of proteins, and is degraded by MARCH8 ...
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The different roles of selective autophagic protein degradation in mammalian cells
... of proteasome inhibitors, have been widely approved ...by proteasome inhibitors, particularly in solid tumors, has also led to an interest in identifying alternative targets that function upstream of the ...
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Proteasome Activator REGγ Enhances Coxsackieviral Infection by Facilitating p53 Degradation
... efficient degradation of p53 by proteasome occurs in the cytoplasm (5, ...p53 degradation in the ...and degradation of hepatitis C virus core protein ...proteasomal degradation of tumor ...
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Emerging therapies targeting the ubiquitin proteasome system in cancer
... the proteasome cham- ...protein degradation, recognizing polyubiquitinated proteins with four or more Ub proteins in the ...chain. Proteasome- associated deubiquitinase (DUB) enzymes cleave the Ub ...
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Comparative proteomic profiling of refractory/relapsed multiple myeloma reveals biomarkers involved in resistance to bortezomib-based therapy
... 77 proteasome inhibitor naïve patients treated subsequently with PAD due to ...in proteasome function; (2) involved in the response to oxidative stress; (3) related to defense response; and (4) regulating ...
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Serum Chymotrypsin-Like Activity on Digestion of Ala-Ala-AMC as a Substrate, Among CML and AML Patients at TASH, Addis Ababa Ethiopia: A Comparative Cross-Sectional Study
... Moreover in Ethiopia no study has been performed on the proteasome, even more on the relationship between the proteasome and the onset or progression of a disease given in the Ethiopian population. In this ...
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Valosin containing protein and neurofibromin interact to regulate dendritic spine density
... regulate degradation of ubiquitinated proteins (58, 59), the interaction between VCP and neurofibromin did not appear to regulate the protein stability of neurofibromin, as the protein levels of neurofibromin were ...
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A 39kDa fragment of endogenous ASK1 suggests specific cleavage not degradation by the proteasome
... ASK1 (Apoptosis Signal-Regulating Kinase 1) is a member of the mitogen activated protein (MAP) kinase family of proteins and is involved in the regulation of apoptosis. ASK1 is endogenously expressed at low levels so the ...
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Saccharomyces cerevisiae Ub-Conjugating Enzyme Ubc4 Binds the Proteasome in the Presence of Translationally Damaged Proteins
... the degradation of other ...the proteasome through an association with substrate-linked multi-Ub chains, because a catalytically inactive mutant (ubc4 C86A ) ...
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Human Cytomegalovirus US3 Chimeras Containing US2 Cytosolic Residues Acquire Major Histocompatibility Class I and II Protein Degradation Properties
... macia Biotech, Piscataway, N.J.), cell extracts were made by using 1% NP-40– 0.5% deoxycholate in Tris buffer, and extracts were clarified by centrifugation at 60,000 to 100,000 ⫻ g for 30 to 60 min. For ...
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Inhibition of Proteasome Activity Induces Aggregation of IFIT2 in the Centrosome and Enhances IFIT2-Induced Cell Apoptosis
... of proteasome led to the enrichment of IFIT2 and induced the aggregation of IFIT2 protein in the ...the proteasome inhibitor–induced aggregation of IFIT2 protein in the ...and proteasome inhibitor ...
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Chemical approaches to targeted protein degradation through modulation of the ubiquitin proteasome pathway
... proteosomal degradation in cells was confirmed by pretreatment with the proteasome inhibitor epoxomicin, resulting in blockade of the degradation of ERRα and ...towards degradation of their ...
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