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https://www.readbyqxmd.com/read/27823982/angptl8-reverses-established-adriamycin-cardiomyopathy-by-stimulating-adult-cardiac-progenitor-cells
#1
Shuyuan Chen, Jiaxi Chen, Xing-Li Meng, Jin-Song Shen, Jing Huang, Pintong Huang, Zhaoxia Pu, Nathan H McNeill, Paul A Grayburn
Established adriamycin cardiomyopathy is a lethal disease. When congestive heart failure develops, mortality is approximately 50% in a year. It has been known that ANGPTLs has various functions in lipid metabolism, inflammation, cancer cell invasion, hematopoietic stem activity and diabetes. We hypothesized that ANGPTL8 is capable of maintaining heart function by stimulating adult cardiac progenitor cells to initiate myocardial regeneration. We employed UTMD to deliver piggybac transposon plasmids with the human ANGPTL8 gene to the liver of rats with adriamycin cardiomyopathy...
November 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27752542/cell-autonomous-regulation-of-dendritic-spine-density-by-pirb
#2
George S Vidal, Maja Djurisic, Kiana Brown, Richard W Sapp, Carla J Shatz
Synapse density on cortical pyramidal neurons is modulated by experience. This process is highest during developmental critical periods, when mechanisms of synaptic plasticity are fully engaged. In mouse visual cortex, the critical period for ocular dominance (OD) plasticity coincides with the developmental pruning of synapses. At this time, mice lacking paired Ig-like receptor B (PirB) have excess numbers of dendritic spines on L5 neurons; these spines persist and are thought to underlie the juvenile-like OD plasticity observed in adulthood...
September 2016: ENeuro
https://www.readbyqxmd.com/read/27749928/correction-mhc-i-and-pirb-upregulation-in-the-central-and-peripheral-nervous-system-following-sciatic-nerve-injury
#3
André Luis Bombeiro, Rodolfo Thomé, Sérgio Luiz Oliveira Nunes, Bárbara Monteiro Moreira, Liana Verinaud, Alexandre Leite Rodrigues de Oliveira
[This corrects the article DOI: 10.1371/journal.pone.0161463.].
2016: PloS One
https://www.readbyqxmd.com/read/27637803/activation-of-lilrb2-signal-pathway-in-temporal-lobe-epilepsy-patients-and-in-a-pilocarpine-induced-epilepsy-model
#4
Jiong Yue, Wei Li, Chao Liang, Bing Chen, Xin Chen, Lukang Wang, Zhenle Zang, Sixun Yu, Shiyong Liu, Song Li, Hui Yang
Temporal lobe epilepsy (TLE) is a frequent form of focal intractable epilepsy in adults, but the specific mechanism underlying the epileptogenesis of TLE is still unknown. Human leukocyte immunoglobulin-like receptor B2 (LILRB2) (the murine homolog gene called paired immunoglobulin-like receptor B, or PirB), participates in the process of synaptic plasticity and neurite growth in the central nervous system (CNS), suggesting a potential role of LILRB2 in epilepsy. However, the expression pattern of LILRB2 and the downstream molecular signal in intractable TLE remains poorly understood...
November 2016: Experimental Neurology
https://www.readbyqxmd.com/read/27570736/draft-genome-sequence-of-pathogenic-bacteria-vibrio-parahaemolyticus-strain-ba94c2-associated-with-acute-hepatopancreatic-necrosis-disease-isolate-from-south-america
#5
Leda Restrepo, Bonny Bayot, Irma Betancourt, Andres Pinzón
Vibrio parahaemolyticus is a pathogenic bacteria which has been associated to the early mortality syndrome (EMS) also known as hepatopancreatic necrosis disease (AHPND) causing high mortality in shrimp farms. Pathogenic strains contain two homologous genes related to insecticidal toxin genes, PirA and PirB, these toxin genes are located on a plasmid contained within the bacteria. Genomic sequences have allowed the finding of two strains with a divergent structure related to the geographic region from where they were found...
September 2016: Genomics Data
https://www.readbyqxmd.com/read/27551751/mhc-i-and-pirb-upregulation-in-the-central-and-peripheral-nervous-system-following-sciatic-nerve-injury
#6
André Luis Bombeiro, Rodolfo Thomé, Sérgio Luiz Oliveira Nunes, Bárbara Monteiro Moreira, Liana Verinaud, Alexandre Leite Rodrigues de Oliveira
Major histocompatibility complex class one (MHC-I) antigen-presenting molecules participate in central nervous system (CNS) synaptic plasticity, as does the paired immunoglobulin-like receptor B (PirB), an MHC-I ligand that can inhibit immune-cells and bind to myelin axon growth inhibitors. Based on the dual roles of both molecules in the immune and nervous systems, we evaluated their expression in the central and peripheral nervous system (PNS) following sciatic nerve injury in mice. Increased PirB and MHC-I protein and gene expression is present in the spinal cord one week after nerve transection, PirB being mostly expressed in the neuropile region...
2016: PloS One
https://www.readbyqxmd.com/read/27522063/virulence-of-acute-hepatopancreatic-necrosis-disease-pirab-like-relies-on-secreted-proteins-not-on-gene-copy-number
#7
S Tinwongger, Y Nochiri, J Thawonsuwan, R Nozaki, H Kondo, S P Awasthi, A Hinenoya, S Yamasaki, I Hirono
AIMS: To investigate the virulence of the Vp_PirAB-like genes in Vibrio parahaemolyticus- acute hepatopancreatic necrosis disease (AHPND)-causing strain and the factors that are associated with the virulence level. METHODS AND RESULTS: The virulence of Vp_PirAB-like was examined using a non-virulent strain FP11 of V. parahaemolyticus transformed with a plasmid harbouring Vp_PirAB-like genes and then it was used to challenge shrimp Litopenaeus vannamei and Marsupenaeus japonicus...
December 2016: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/27443384/pirb-overexpression-exacerbates-neuronal-apoptosis-by-inhibiting-trkb-and-mtor-phosphorylation-after-oxygen-and-glucose-deprivation-injury
#8
Zhao-Hua Zhao, Bin Deng, Hao Xu, Jun-Feng Zhang, Ya-Jing Mi, Xiang-Zhong Meng, Xing-Chun Gou, Li-Xian Xu
Previous studies have proven that paired immunoglobulin-like receptor B (PirB) plays a crucial suppressant role in neurite outgrowth and neuronal plasticity after central nervous system injury. However, the role of PirB in neuronal survival after cerebral ischemic injury and its mechanisms remains unclear. In the present study, the role of PirB is investigated in the survival and apoptosis of cerebral cortical neurons in cultured primary after oxygen and glucose deprivation (OGD)-induced injury. The results have shown that rebarbative PirB exacerbates early neuron apoptosis and survival...
July 21, 2016: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/27412551/-17%C3%AE-%C3%A2-estradiol-suppresses-hyperoxia%C3%A2-induced-apoptosis-of-oligodendrocyte-precursor-cells-through-paired%C3%A2-immunoglobulin%C3%A2-like-receptor-b
#9
Hua Wang, De-Zhi Mu
OBJECTIVE: To study the effect of hyperoxia and paired immunoglobin-like receptor B (PirB) on rat oligodendrocyte precursor cells (OPCs) in vivo and the neuroprotective effects of 17β-estradiol (E2) on these cells. METHODS: Rat OPCs were treated with different concentrations of E2 and the cells were harvested for RT‑qPCR analysis at different time points. PriB was silenced with small interfering siRNA. The effects of E2 treatment and silencing of PriB on OPCs viability and apoptosis under hyperoxic stimulation were detected using 3‑(4,5‑dimethylthi‑azol‑2‑yl)‑2,5‑diphenyltetrazolium bromide (MTT) assay and flow cytometry analysis...
July 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27324131/paired-ig-like-receptor-b-inhibits-il-13-driven-eosinophil-accumulation-and-activation-in-the-esophagus
#10
Netali Ben Baruch-Morgenstern, Melissa K Mingler, Emily Stucke, John A Besse, Ting Wen, Hadar Reichman, Ariel Munitz, Marc E Rothenberg
Eosinophilic esophagitis (EoE) is a Th2 cytokine-associated disease characterized by eosinophil infiltration, epithelial cell hyperplasia, and tissue remodeling. Recent studies highlighted a major contribution for IL-13 in EoE pathogenesis. Paired Ig-like receptor B is a cell surface immune-inhibitory receptor that is expressed by eosinophils and postulated to regulate eosinophil development and migration. We report that Pirb is upregulated in the esophagus after inducible overexpression of IL-13 (CC10-Il13(Tg) mice) and is overexpressed by esophageal eosinophils...
August 1, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/26821234/17%C3%AE-estradiol-suppresses-hyperoxia-induced-apoptosis-of-oligodendrocytes-through-paired-immunoglobulin-like-receptor-b
#11
Hua Wang, Jinlin Wu
Hyperoxia is a high risk factor for neurodevelopmental disorders and can cause nerve cell death. 17β‑Estradiol (E2) has been demonstrated as a neuroprotective agent. In the present study, the effect of hyperoxia on rat oligodendrocyte precursor cells (OPCs) in vivo and the neuroprotective effects of E2 on these cells were investigated. OPCs were treated with various concentrations of E2 and were harvested for reverse transcription‑quantitiative polymerase chain reaction (RT‑qPCR) analysis at various time‑points...
March 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/26652096/external-criticism-by-parents-and-obsessive-beliefs-in-adolescents-mediating-role-of-beliefs-associated-with-inflated-responsibility
#12
Zohreh Halvaiepour, Mehdi Nosratabadi
BACKGROUND & OBJECTIVES: Obsessive-compulsive disorder (OCD) is considered as a rare disorder in children. According to cognitive theories, criticism triggers responsibility behavior and thus causes obsessive behaviors. The purpose of the present study was to investigate the mediating role of beliefs associated with responsibility in the relationship between external criticism of parents and obsessive beliefs in adolescents. MATERIALS & METHODS: In this study, 547 high school students aged from 15 to18 years were selected using multi-stage cluster random sampling from four regions of the education office in Shiraz...
2016: Global Journal of Health Science
https://www.readbyqxmd.com/read/26635269/experimental-and-clinical-advances-in-immunotherapy-strategies-for-spinal-cord-injury-target-on-mais-and-their-receptors
#13
REVIEW
Xiu-Min Lu, Jing-Xiang Wei, Lan Xiao, Ya-Hai Shu, Yong-Tang Wang
In the injured adult mammalian central nervous system (CNS), the failure of axonal regeneration is thought to be attributed, at least in part, to various myelin-associated inhibitors (MAIs), such as Nogo, myelinassociated glycoprotein (MAG), and oligodendrocyte-myelin glycoprotein (OMgp) around the damaged site. Interestingly, these three structurally different inhibitors share two common receptors, Nogo-66 receptor (NgR) and paired immunoglobulin-like receptor B (PirB), and transduce the inhibitory signal into neurons via their complex combinant and co-receptors, such as p75 neurotrophin receptor (p75NTR), Nogo receptor-interacting protein 1 (LINGO-1), and TROY...
2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/26549178/pathogenesis-of-acute-hepatopancreatic-necrosis-disease-ahpnd-in-shrimp
#14
Hung-Chiao Lai, Tze Hann Ng, Masahiro Ando, Chung-Te Lee, I-Tung Chen, Jie-Cheng Chuang, Rapeepat Mavichak, Sheng-Hsiung Chang, Mi-De Yeh, Yi-An Chiang, Haruko Takeyama, Hiro-o Hamaguchi, Chu-Fang Lo, Takashi Aoki, Han-Ching Wang
Acute hepatopancreatic necrosis disease (AHPND), also called early mortality syndrome (EMS), is a recently emergent shrimp bacterial disease that has resulted in substantial economic losses since 2009. AHPND is known to be caused by strains of Vibrio parahaemolyticus that contain a unique virulence plasmid, but the pathology of the disease is still unclear. In this study, we show that AHPND-causing strains of V. parahaemolyticus secrete the plasmid-encoded binary toxin PirAB(vp) into the culture medium. We further determined that, after shrimp were challenged with AHPND-causing bacteria, the bacteria initially colonized the stomach, where they started to produce PirAB(vp) toxin...
December 2015: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/26330840/distribution-of-paired-immunoglobulin-like-receptor-b-in-the-nervous-system-related-to-regeneration-difficulties-after-unilateral-lumbar-spinal-cord-injury
#15
Wan-Shu Peng, Chao Qi, Hong Zhang, Mei-Ling Gao, Hong Wang, Fei Ren, Xia-Qing Li
Paired immunoglobulin-like receptor B (PirB) is a functional receptor of myelin-associated inhibitors for axonal regeneration and synaptic plasticity in the central nervous system, and thus suppresses nerve regeneration. The regulatory effect of PirB on injured nerves has received a lot of attention. To better understand nerve regeneration inability after spinal cord injury, this study aimed to investigate the distribution of PirB (via immunofluorescence) in the central nervous system and peripheral nervous system 10 days after injury...
July 2015: Neural Regeneration Research
https://www.readbyqxmd.com/read/26290509/genotyping-of-virulence-plasmid-from-vibrio-parahaemolyticus-isolates-causing-acute-hepatopancreatic-necrosis-disease-in-shrimp
#16
Jee Eun Han, Kathy F J Tang, Donald V Lightner
Acute hepatopancreatic necrosis disease (AHPND) has caused severe mortalities in farmed penaeid shrimp throughout SE Asia and Mexico. The causative agent of AHPND is the marine bacterium Vibrio parahaemolyticus, which secretes PirA- and PirB-like binary toxin that caused deterioration in the hepatopancreas of infected shrimp. The genes responsible for the production of this toxin are located in a large plasmid residing within the bacterial cells. We analyzed the plasmid sequence from the whole genome sequences of AHPND-V...
August 20, 2015: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/26261348/the-opportunistic-marine-pathogen-vibrio-parahaemolyticus-becomes-virulent-by-acquiring-a-plasmid-that-expresses-a-deadly-toxin
#17
COMPARATIVE STUDY
Chung-Te Lee, I-Tung Chen, Yi-Ting Yang, Tzu-Ping Ko, Yun-Tzu Huang, Jiun-Yan Huang, Ming-Fen Huang, Shin-Jen Lin, Chien-Yu Chen, Shih-Shun Lin, Shih-Shuen Lin, Donald V Lightner, Han-Ching Wang, Andrew H-J Wang, Hao-Ching Wang, Lien-I Hor, Chu-Fang Lo
Acute hepatopancreatic necrosis disease (AHPND) is a severe, newly emergent penaeid shrimp disease caused by Vibrio parahaemolyticus that has already led to tremendous losses in the cultured shrimp industry. Until now, its disease-causing mechanism has remained unclear. Here we show that an AHPND-causing strain of V. parahaemolyticus contains a 70-kbp plasmid (pVA1) with a postsegregational killing system, and that the ability to cause disease is abolished by the natural absence or experimental deletion of the plasmid-encoded homologs of the Photorhabdus insect-related (Pir) toxins PirA and PirB...
August 25, 2015: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/26125554/hla-b27-homodimer-specific-antibody-modulates-the-expansion-of-pro-inflammatory-t-cells-in-hla-b27-transgenic-rats
#18
Osiris Marroquin Belaunzaran, Sascha Kleber, Stefan Schauer, Martin Hausmann, Flora Nicholls, Maries Van den Broek, Sravan Payeli, Adrian Ciurea, Simon Milling, Frank Stenner, Jackie Shaw, Simon Kollnberger, Paul Bowness, Ulf Petrausch, Christoph Renner
OBJECTIVES: HLA-B27 is a common genetic risk factor for the development of Spondyloarthritides (SpA). HLA-B27 can misfold to form cell-surface heavy chain homodimers (B272) and induce pro-inflammatory responses that may lead to SpA pathogenesis. The presence of B272 can be detected on leukocytes of HLA-B27+ Ankylosing spondylitis (AS) patients and HLA-B27 transgenic rats. We characterized a novel B272-specific monoclonal antibody to study its therapeutic use in HLA-B27 associated disorders...
2015: PloS One
https://www.readbyqxmd.com/read/25667334/photorhabdus-insect-related-pir-toxin-like-genes-in-a-plasmid-of-vibrio-parahaemolyticus-the-causative-agent-of-acute-hepatopancreatic-necrosis-disease-ahpnd-of-shrimp
#19
Jee Eun Han, Kathy F J Tang, Loc H Tran, Donald V Lightner
The 69 kb plasmid pVPA3-1 was identified in Vibrio parahaemolyticus strain 13‑028/A3 that can cause acute hepatopancreatic necrosis disease (AHPND). This disease is responsible for mass mortalities in farmed penaeid shrimp and is referred to as early mortality syndrome (EMS). The plasmid has a GC content of 45.9% with a copy number of 37 per bacterial cell as determined by comparative quantitative PCR analyses. It consists of 92 open reading frames that encode mobilization proteins, replication enzymes, transposases, virulence-associated proteins, and proteins similar to Photorhabdus insect-related (Pir) toxins...
February 10, 2015: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/25465238/the-binding-receptors-of-a%C3%AE-an-alternative-therapeutic-target-for-alzheimer-s-disease
#20
REVIEW
Min Xia, Xiaofang Cheng, Ruofan Yi, Dong Gao, Jiaxiang Xiong
Alzheimer's disease (AD) is one of the most common neurodegenerative disorders, which causes the deterioration of memory and other cognitive abilities of the elderly. Previous lines of research have shown that Aβ is an essential factor in AD pathology and the soluble oligomeric species of Aβ peptide is presumed to be the drivers of synaptic impairment in AD. However, the exact mechanisms underlying Aβ-induced synapse dysfunction are still not fully understood. Recently, increasing evidence suggests that some potential receptors which bind specifically with Aβ may play important roles in inducing the toxicity of the neurons in AD pathology...
January 2016: Molecular Neurobiology
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