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Yuxia Zhang et al.
Molecular and cellular biology, 30(6), 1341-1356 (2010-01-13)
Small heterodimer partner (SHP) is an epigenetically regulated nuclear transcriptional repressor that suppresses the development of liver cancer by inhibiting cellular growth. Here we report a novel cytoplasmic function of SHP through its regulation of mitochondrial activity. SHP is a
Ping-Yuan Wang et al.
Cancer prevention research (Philadelphia, Pa.), 14(1), 31-40 (2020-09-23)
Germline mutations of TP53, which cause the cancer predisposition disorder Li-Fraumeni syndrome (LFS), can increase mitochondrial activity as well as fatty acid β-oxidation (FAO) in mice. Increased fatty acid metabolism can promote cancer malignancy, but its specific contribution to tumorigenesis
Frederik Damm et al.
Cancer discovery, 4(9), 1088-1101 (2014-06-13)
Appropriate cancer care requires a thorough understanding of the natural history of the disease, including the cell of origin, the pattern of clonal evolution, and the functional consequences of the mutations. Using deep sequencing of flow-sorted cell populations from patients
Junko Murai et al.
Cancer research, 72(21), 5588-5599 (2012-11-03)
Small-molecule inhibitors of PARP are thought to mediate their antitumor effects as catalytic inhibitors that block repair of DNA single-strand breaks (SSB). However, the mechanism of action of PARP inhibitors with regard to their effects in cancer cells is not
Chia-An Yen et al.
Aging cell, 20(2), e13308-e13308 (2021-01-23)
Infertility is an increasingly common health issue, with rising prevalence in advanced parental age. Environmental stress has established negative effects on reproductive health, however, the impact of altering cellular metabolism and its endogenous reactive oxygen species (ROS) on fertility remains
Yu-Ru Lee et al.
Science (New York, N.Y.), 364(6441) (2019-05-18)
Activation of tumor suppressors for the treatment of human cancer has been a long sought, yet elusive, strategy. PTEN is a critical tumor suppressive phosphatase that is active in its dimer configuration at the plasma membrane. Polyubiquitination by the ubiquitin
Max A Kruziki et al.
Molecular pharmaceutics, 13(11), 3747-3755 (2016-10-05)
This purpose of this study is to determine the efficacy of a 45-amino acid Gp2 domain, engineered to bind to epidermal growth factor receptor (EGFR), as a positron emission tomography (PET) probe of EGFR in a xenograft mouse model. The
Han-Hee Park et al.
Experimental & molecular medicine, 50(9), 125-125 (2018-09-22)
Necroptosis is a type of programmed cell death that usually occurs under apoptosis-deficient conditions. Receptor-interacting protein kinase-3 (RIP3, or RIPK3) is a central player in necroptosis, and its kinase activity is essential for downstream necroptotic signaling events. Since RIP3 kinase
Xiaowan Wang et al.
Journal of neurochemistry, 151(6), 732-748 (2019-09-26)
NAD+ is a cofactor required for glycolysis, tricarboxylic acid cycle, and complex I enzymatic reaction. In mammalian cells, NAD+ is predominantly synthesized through the salvage pathway, where nicotinamide phosphoribosyltransferase (NAMPT) is the rate-limiting enzyme. Previously, we demonstrated that NAMPT exerts
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Bert Maier et al.
Genes & development, 23(6), 708-718 (2009-03-21)
Post-translational processes are essential for the generation and dynamics of mammalian circadian rhythms. In particular, phosphorylation of the key circadian protein PER2 precisely controls the period and phase of circadian oscillations. However, the mechanisms underlying that control are poorly understood.
Roberto Pierini et al.
Journal of immunology (Baltimore, Md. : 1950), 191(7), 3847-3857 (2013-08-27)
The inflammasome is a signaling platform that is central to the innate immune responses to bacterial infections. Francisella tularensis is a bacterium replicating within the host cytosol. During F. tularensis subspecies novicida infection, AIM2, an inflammasome receptor sensing cytosolic DNA
Wei Wei et al.
Journal of virology, 88(1), 583-591 (2013-11-01)
Sterile alpha motif and HD domain-containing protein 1 (SAMHD1) restricts human immunodeficiency virus type 1 (HIV-1) infection in myeloid cells but is inactivated by certain classes of simian immunodeficiency virus (SIV) Vpx proteins. Vpx proteins recruit the DCAF1-CRL4 E3 ubiquitin
Zhenyu Cai et al.
Nature cell biology, 16(1), 55-65 (2013-12-10)
The mixed lineage kinase domain-like protein (MLKL) has recently been identified as a key RIP3 (receptor interacting protein 3) downstream component of tumour necrosis factor (TNF)-induced necroptosis. MLKL is phosphorylated by RIP3 and is recruited to the necrosome through its
Kevin L Bennewith et al.
Cancer research, 69(3), 775-784 (2009-01-31)
Pancreatic cancer is highly aggressive and refractory to existing therapies. Connective tissue growth factor (CTGF/CCN2) is a fibrosis-related gene that is thought to play a role in pancreatic tumor progression. However, CCN2 can be expressed in a variety of cell
Darko Maric et al.
Cells, 10(11) (2021-11-28)
Myocardial infarction (MI) is a leading cause of maladaptive cardiac remodeling and heart failure. In the damaged heart, loss of function is mainly due to cardiomyocyte death and remodeling of the cardiac tissue. The current study shows that A-kinase anchoring
Maria Arechederra et al.
Nature communications, 9(1), 3164-3164 (2018-08-10)
Epigenetic modifications such as aberrant DNA methylation reshape the gene expression repertoire in cancer. Here, we used a clinically relevant hepatocellular carcinoma (HCC) mouse model (Alb-R26Met) to explore the impact of DNA methylation on transcriptional switches associated with tumorigenesis. We
Alessandro Rimessi et al.
American journal of respiratory cell and molecular biology, 59(4), 428-436 (2018-04-19)
The lungs of patients with cystic fibrosis (CF) are characterized by an exaggerated inflammation driven by secretion of IL-8 from bronchial epithelial cells and worsened by Pseudomonas aeruginosa infection. To identify novel antiinflammatory molecular targets, we previously performed a genetic
Alessandro Rimessi et al.
Science advances, 6(19), eaax9093-eaax9093 (2020-06-05)
Mitochondria physically associate with the endoplasmic reticulum to coordinate interorganelle calcium transfer and regulate fundamental cellular processes, including inflammation. Deregulated endoplasmic reticulum-mitochondria cross-talk can occur in cystic fibrosis, contributing to hyperinflammation and disease progression. We demonstrate that Pseudomonas aeruginosa infection
Bert Maier et al.
Genes & development, 23(6), 708-718 (2009-03-21)
Post-translational processes are essential for the generation and dynamics of mammalian circadian rhythms. In particular, phosphorylation of the key circadian protein PER2 precisely controls the period and phase of circadian oscillations. However, the mechanisms underlying that control are poorly understood.
K Althoff et al.
Oncogene, 34(26), 3357-3368 (2014-09-02)
Neuroblastoma, a childhood cancer that originates from neural crest-derived cells, is the most common deadly solid tumor of infancy. Amplification of the MYCN oncogene, which occurs in approximately 20-25% of human neuroblastomas, is the most prominent genetic marker of high-stage
Laura Poliseno et al.
Science signaling, 3(117), ra29-ra29 (2010-04-15)
PTEN (phosphatase and tensin homolog deleted on chromosome 10) is a tumor suppressor that antagonizes signaling through the phosphatidylinositol 3-kinase-Akt pathway. We have demonstrated that subtle decreases in PTEN abundance can have critical consequences for tumorigenesis. Here, we used a
Koko Murakami et al.
Cellular signalling, 54, 139-149 (2018-11-06)
Heterozygous germline mutations in the bone morphogenetic protein type II receptor gene (BMPRII) are associated with hereditary pulmonary arterial hypertension (HPAH). Missense mutations, both in the extracellular ligand-binding and cytoplasmic kinase domains, mostly involve substitution of conserved Cys residues. Singular
Mushfiquddin Khan et al.
BMC neuroscience, 16, 42-42 (2015-07-16)
Stroke immediately sets into motion sustained excitotoxicity and calcium dysregulation, causing aberrant activity in neuronal nitric oxide synthase (nNOS) and an imbalance in the levels of nitric oxide (NO). Drugs targeting nNOS-originated toxicity may therefore reduce stroke-induced damage. Recently, we
Carwyn Davies et al.
Cell cycle (Georgetown, Tex.), 14(22), 3602-3612 (2015-10-28)
p21(WAF1) is a well-characterized mediator of cell cycle arrest and may also modulate chemotherapy-induced cell death. The role of p21(WAF1) in drug-induced cell cycle arrest and apoptosis of acute lymphoblastic leukemia (ALL) cells was investigated using p53-functional patient-derived xenografts (PDXs)
Weixiang Guo et al.
Human molecular genetics, 21(3), 681-691 (2011-11-04)
Fragile X syndrome (FXS), a common inherited form of intellectual disability with learning deficits, results from a loss of fragile X mental retardation protein (FMRP). Despite extensive research, treatment options for FXS remain limited. Since FMRP is known to play
Hon Yan K Yip et al.
Molecular cell, 80(2), 279-295 (2020-10-17)
The PTEN tumor suppressor controls cell death and survival by regulating functions of various molecular targets. While the role of PTEN lipid-phosphatase activity on PtdIns(3,4,5)P3 and inhibition of PI3K pathway is well characterized, the biological relevance of PTEN protein-phosphatase activity
Mei-Ling Cheng et al.
Cells, 9(2) (2020-02-23)
Enterovirus 71 (EV71) infection is an endemic disease in Southeast Asia and China. We have previously shown that EV71 virus causes functional changes in mitochondria. It is speculative whether EV71 virus alters the host cell metabolism to its own benefit.
Joséphine Zangari et al.
Nucleic acids research, 45(7), 4131-4141 (2016-12-21)
Extracellular vesicles (EVs) have been shown to play an important role in intercellular communication as carriers of DNA, RNA and proteins. While the intercellular transfer of miRNA through EVs has been extensively studied, the stability of extracellular miRNA (ex-miRNA) once
Francesca Molinari et al.
Journal of cachexia, sarcopenia and muscle, 8(6), 954-973 (2017-11-14)
Cancer cachexia is characterized by muscle depletion and exercise intolerance caused by an imbalance between protein synthesis and degradation and by impaired myogenesis. Myofibre metabolic efficiency is crucial so as to assure optimal muscle function. Some drugs are able to
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