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https://www.readbyqxmd.com/read/29147911/dj-1-as-a-therapeutic-target-against-cancer
#1
Ji Cao, Xiaobing Chen, Meidan Ying, Qiaojun He, Bo Yang
DJ-1 is a gene involved in various cellular processes, including transcriptional regulation, oxidative stress response, fertilization, mitochondrial regulation, inflammatory and fibrogenic niche formation, and glycation damage prevention. Although a disease-associated genetic study within the past decade has demonstrated that the mutation of DJ-1 is associated with autosomal early-onset Parkinson's disease, increasing evidence suggests that DJ-1 also plays a critical role in tumor development and progression...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147910/therapeutic-activities-of-dj-1-and-its-binding-compounds-against-neurodegenerative-diseases
#2
Masatoshi Inden, Daijiro Yanagisawa, Masanori Hijioka, Hiroyoshi Ariga, Yoshihisa Kitamura
Parkinson's disease (PD) is a progressive neurodegenerative disorder that is primarily characterized by the degeneration of dopaminergic neurons in the nigrostriatal pathway. Loss-of-function mutations in the gene encoding PARK7/DJ-1 were identified in familial PD. Wild-type DJ-1 acts as an oxidative stress sensor in neural cells. Previously, we identified binding compounds of DJ-1, including UCP0045037/compound A, UCP0054278/compound B, and compound-23 (comp-23), by in silico virtual screening. These compounds prevented oxidative stress-induced dopaminergic neuronal death and restored locomotion defects in animal models of PD...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147909/the-role-of-the-antioxidant-protein-dj-1-in-type-2-diabetes-mellitus
#3
Daniel Eberhard, Eckhard Lammert
Type 2 diabetes mellitus (T2DM) is a worldwide escalating health disorder resulting from insulin resistance and functional loss of insulin-producing beta cells that finally cause chronically elevated blood glucose concentrations. Here we review the role of ubiquitously expressed antioxidant protein DJ-1 in the pathogenesis of T2DM. In beta cells, DJ-1 protects against oxidative stress, endoplasmic reticulum stress, and streptozotocin- and cytokine-induced stress and preserves beta cell viability and insulin secretion...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147908/dj-1-as-a-biomarker-of-parkinson-s-disease
#4
Yoshiro Saito
Parkinson's disease is a progressive, age-related, neurodegenerative disorder, and oxidative stress is an important mediator in its pathogenesis. DJ-1 has been identified as a causative gene of a familial form of Parkinson's disease, PARK7, and plays a significant role in antioxidative defense, protecting cells from oxidative stress. A cysteine residue of DJ-1 at position 106 (Cys-106) is preferentially oxidized under oxidative stress. This reactive Cys-106 plays a critical role in the biological function of DJ-1, which could act as a sensor of oxidative stress by regulating antioxidative defense depending on Cys-106 oxidation...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147907/protein-repair-from-glycation-by-glyoxals-by-the-dj-1-family-maillard-deglycases
#5
Mouadh Mihoub, Jad Abdallah, Gilbert Richarme
DJ-1 and its prokaryotic homologs, Hsp31, YhbO and YajL from Escherichia coli and PfpI from Pyrococcus furiosus, repair proteins from glycation by glyoxals (R-CO-CHO), which constitute their major glycating agents. Glycation is a non-enzymatic covalent reaction discovered by Louis Camille Maillard in 1912, between reactive carbonyls (reducing sugars and glyoxals) and amino acids (cysteine, arginine and lysine), which inactivates proteins. By degrading Maillard adducts formed between carbonyls and thiols or amino groups, the DJ-1 family Maillard deglycases prevent the formation of the so-called advanced glycation end products (AGEs) that arise from Maillard adducts after dehydrations, oxidations and rearrangements...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147906/regulation-of-signal-transduction-by-dj-1
#6
Stephanie E Oh, M Maral Mouradian
The ability of DJ-1 to modulate signal transduction has significant effects on how the cell regulates normal processes such as growth, senescence, apoptosis, and autophagy to adapt to changing environmental stimuli and stresses. Perturbations of DJ-1 levels or function can disrupt the equilibrium of homeostatic signaling networks and set off cascades that play a role in the pathogenesis of conditions such as cancer and Parkinson's disease.DJ-1 plays a major role in various pathways. It mediates cell survival and proliferation by activating the extracellular signal-regulated kinase (ERK1/2) pathway and the phosphatidylinositol-3-kinase (PI3K)/Akt pathway...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147905/transcriptional-regulation-of-dj-1
#7
Kazuko Takahashi-Niki, Takeshi Niki, Sanae M M Iguchi-Ariga, Hiroyoshi Ariga
DJ-1 is an oncogene and also a causative gene for familial Parkinson's disease. DJ-1 has various functions, and the oxidative status of a cysteine residue at position 106 (C106) is crucial for determination of the activation level of DJ-1.DJ-1 binds to many proteins, including various transcription factors, and acts as a coactivator or corepressor for regulating their target genes without direct binding to DNA, thereby affecting various cell functions. DJ-1-regulating transcription factors and their modified proteins are the androgen receptor and its regulatory proteins, p53; polypyrimidine tract-binding protein-associated splicing factor (PSF); Keap1, an inhibitor for nuclear factor erythroid2-related factor 2 (Nrf2); sterol regulatory element-binding protein (SREBP); Ras-responsive element-binding protein (RREB1); signal transducer and activator of transcription 1 (STAT1); and Nurr1...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147904/the-multifaceted-roles-of-dj-1-as-an-antioxidant
#8
Prahlad V Raninga, Giovanna Di Trapani, Kathryn F Tonissen
The DJ-1 protein was originally linked with Parkinson's disease and is now known to have antioxidant functions. The protein has three redox-sensitive cysteine residues, which are involved in its dimerisation and functional properties. A mildly oxidised form of DJ-1 is the most active form and protects cells from oxidative stress conditions. DJ-1 functions as an antioxidant through a variety of mechanisms, including a weak direct antioxidant activity by scavenging reactive oxygen species. DJ-1 also regulates a number of signalling pathways, including the inhibition of apoptosis signal-regulating kinase 1 (ASK1)-induced apoptosis under oxidative stress conditions...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147903/role-of-dj-1-in-fertilization
#9
An Chunna, Xiao-Ping Pu
Neither a sperm nor an egg can develop into an individual alone. Only when the sperm and egg bind and fuse, which is known as fertilization, can they acquire the ability of developing into new individuals. DJ-1 was reported to be involved in the process of fertilization.
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147902/expression-of-dj-1-in-cancer-cells-its-correlation-with-clinical-significance
#10
Takahiko Kawate, Benio Tsuchiya, Keiichi Iwaya
Upregulation of DJ-1 mRNA is commonly observed in various human cancers such as ductal carcinoma of the breast, non-small cell carcinoma of the lung, pancreatic duct adenocarcinoma, urinary transitional cell carcinoma, and gynecologic carcinoma. At the protein level, intensity and intracellular localization of DJ-1 expression is varied, and the DJ-1 protein regulates cancer progression, clinical aggressiveness, differentiation, cancer cell morphology, and drug sensitivity. Thus, DJ-1 plays a critical role in cancer...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147901/expression-of-dj-1-in-neurodegenerative-disorders
#11
Daria Antipova, Rina Bandopadhyay
In 2003, autosomal recessive loss-of-function mutations were identified in PARK7 gene that caused early-onset Parkinson's disease (PD). The PARK7 gene encodes a conserved protein termed DJ-1. DJ-1 is a ubiquitous protein, and within the brain, it is present in the nucleus and cytoplasm of both neuronal and glial cells. DJ-1 is a multifunctional protein, and numerous studies have ascribed various roles, including antioxidative properties, chaperone function, protease activities, mitochondrial functions and regulation of transcription to the protein...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147900/structural-biology-of-the-dj-1-superfamily
#12
Nathan Smith, Mark A Wilson
The DJ-1 (also called the DJ-1/PfpI, ThiJ/PfpI, or DJ-1/ThiJ/PfpI) superfamily is a structural and functional diverse group of proteins that are present in most organisms. Many of these proteins remain poorly characterized at the biochemical level, but include some known chaperones, proteases, and various stress response proteins that remain mechanistically mysterious. This chapter outlines what is known from a structural perspective about the cellular and biochemical functions of many of these proteins from distinct clades of the superfamily in several organisms...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29147899/introduction-overview
#13
Hiroyoshi Ariga, Sanae M M Iguchi-Ariga
The DJ-1 gene is an oncogene and also causative gene for a familial form of Parkinson disease. Although exits of cancer and neurodegenerative diseases, including Parkinson disease, are completely opposite, there are some common points of view between both diseases, including growth and death signaling pathways, and oxidative stresses affect the onset and pathogenesis of both cancer and neurodegenerative diseases. DJ-1 has versatile functions and plays a role in protection against oxidative stress. Inactivation and/or excess activation of DJ-1 functions, therefore, leads to onsets of oxidative stress-related diseases such as type 2 diabetes and male infertility in addition to cancer and neurodegenerative diseases, and studies about DJ-1 will give rise to the common mechanism among these diseases...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29142196/dj-1-controls-bone-homeostasis-through-the-regulation-of-osteoclast-differentiation
#14
Hyuk Soon Kim, Seung Taek Nam, Se Hwan Mun, Sun-Kyeong Lee, Hyun Woo Kim, Young Hwan Park, Bokyung Kim, Kyung-Jong Won, Hae-Rim Kim, Yeong-Min Park, Hyung Sik Kim, Michael A Beaven, Young Mi Kim, Wahn Soo Choi
Receptor activator of NF-kB ligand (RANKL) generates intracellular reactive oxygen species (ROS), which increase RANKL-mediated signaling in osteoclast (OC) precursor bone marrow macrophages (BMMs). Here we show that a ROS scavenging protein DJ-1 negatively regulates RANKL-driven OC differentiation, also called osteoclastogenesis. DJ-1 ablation in mice leads to a decreased bone volume and an increase in OC numbers. In vitro, the activation of RANK-dependent signals is enhanced in DJ-1-deficient BMMs as compared to wild-type BMMs...
November 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/29124790/neuropathology-of-genetic-synucleinopathies-with-parkinsonism-review-of-the-literature
#15
REVIEW
Susanne A Schneider, Roy N Alcalay
Clinical-pathological studies remain the gold-standard for the diagnosis of Parkinson's disease (PD). However, mounting data from genetic PD autopsies challenge the diagnosis of PD based on Lewy body pathology. Most of the confirmed genetic risks for PD show heterogenous neuropathology, even within kindreds, which may or may not include Lewy body pathology. We review the literature of genetic PD autopsies from cases with molecularly confirmed PD or parkinsonism and summarize main findings on SNCA (n = 25), Parkin (n = 20, 17 bi-allelic and 3 heterozygotes), PINK1 (n = 5, 1 bi-allelic and 4 heterozygotes), DJ-1 (n = 1), LRRK2 (n = 55), GBA (n = 10 Gaucher disease patients with parkinsonism), DNAJC13, GCH1, ATP13A2, PLA2G6 (n = 8 patients, 2 with PD), MPAN (n = 2), FBXO7, RAB39B, and ATXN2 (SCA2), as well as on 22q deletion syndrome (n = 3)...
November 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/29115508/dj%C3%A2-1-alleviates-high-glucose%C3%A2-induced-endothelial-cells-injury-via-pi3k-akt%C3%A2-enos-signaling-pathway
#16
Hongan Tian, Shunzhen Li, Kaihu Yu
Hyperglycemia mediated endothelial cells (ECs) injury is closely associated with diabetic vascular complications. It was revealed that DJ‑1 possesses cellular protective effects by suppressing oxidative stress. The present study aimed to investigate the beneficial effects of DJ‑1 on high glucose (HG)‑induced human umbilical vein endothelial cell (HUVEC) injury and to elucidate its underlying mechanisms. HUVECs were incubated under 5.5 mM (control group) or 25 mM D‑glucose (HG group) and then transfected with recombinant adenoviral vectors to overexpression of DJ‑1...
November 6, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29105838/a-parkinson-s-disease-gene-dj-1-repairs-brain-injury-through-sox9-stabilization-and-astrogliosis
#17
Dong-Joo Choi, Jin-Hwa Eun, Byung Gon Kim, Ilo Jou, Sang Myun Park, Eun-Hye Joe
Defects in repair of damaged brain accumulate injury and contribute to slow-developing neurodegeneration. Here, we report that a deficiency of DJ-1, a Parkinson's disease (PD) gene, delays repair of brain injury due to destabilization of Sox9, a positive regulator of astrogliosis. Stereotaxic injection of ATP into the brain striatum produces similar size of acute injury in wild-type and DJ-1-knockout (KO) mice. However, recovery of the injury is delayed in KO mice, which is confirmed by 9.4T magnetic resonance imaging and tyrosine hydroxylase immunostaining...
November 6, 2017: Glia
https://www.readbyqxmd.com/read/29104636/mechanism-of-myocardial-ischemia-reperfusion-induced-acute-kidney-injury-through-dj-1-nrf2-pathway-in-diabetic-rats
#18
Qian Sun, Zi-Ying Shen, Wei-Na Duan, Qing-Tao Meng, Zhong-Yuan Xia
The objective of the present study was to investigate acute kidney injury (AKI) induced by myocardial ischemia/reperfusion (MIR) in diabetic rats and elucidate its underlying mechanism. A rat model of MIR was established by left anterior descending coronary artery occlusion for 30 min, followed by reperfusion for 2 h. Rats were randomly divided into four groups: i) Sham group, ii) sham + MIR group, iii) diabetic group and iv) diabetes + MIR group. Myocardial injury was detected by plasma creatine kinase isoenzyme MB and lactate dehydrogenase assays...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29097687/genome-scale-single-cell-mechanical-phenotyping-reveals-disease-related-genes-involved-in-mitotic-rounding
#19
Yusuke Toyoda, Cedric J Cattin, Martin P Stewart, Ina Poser, Mirko Theis, Teymuras V Kurzchalia, Frank Buchholz, Anthony A Hyman, Daniel J Müller
To divide, most animal cells drastically change shape and round up against extracellular confinement. Mitotic cells facilitate this process by generating intracellular pressure, which the contractile actomyosin cortex directs into shape. Here, we introduce a genome-scale microcantilever- and RNAi-based approach to phenotype the contribution of > 1000 genes to the rounding of single mitotic cells against confinement. Our screen analyzes the rounding force, pressure and volume of mitotic cells and localizes selected proteins...
November 2, 2017: Nature Communications
https://www.readbyqxmd.com/read/29079356/parkin-overexpression-in-human-mesenchymal-stromal-cells-from-wharton-s-jelly-suppresses-6-hydroxydopamine-induced-apoptosis-potential-therapeutic-strategy-in-parkinson-s-disease
#20
A R Bonilla-Porras, A Arevalo-Arbelaez, J F Alzate-Restrepo, C Velez-Pardo, M Jimenez-Del-Rio
BACKGROUND AIMS: Stem cell transplantation is an excellent option for regenerative or replacement therapy. However, deleterious microenvironmental and endogenous factors (e.g., oxidative stress) compromise ongoing graft survival and longevity. Therefore, (transient or stable) genetically modified cells may be reasonably thought to resist oxidative stress-induced damage. Genetic engineering of mesenchymal stromal cells (MSCs) obtained from Wharton's jelly tissue may offer some therapeutic potential...
October 24, 2017: Cytotherapy
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