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https://www.readbyqxmd.com/read/29775741/replacement-of-fishmeal-by-spirulina-arthrospira-platensis-affects-growth-immune-related-gene-expression-in-gibel-carp-carassius-auratus-gibelio-var-cas-iii-and-its-challenge-against-aeromonas-hydrophila-infection
#1
Shenping Cao, Peiyu Zhang, Tao Zou, Shuzhan Fei, Dong Han, Junyan Jin, Haokun Liu, Yunxia Yang, Xiaoming Zhu, Shouqi Xie
The present study examined the effect of dietary spirulina, Arthrospira platensis on growth performance, blood physiological indices, immune-related gene expressions and resistance of juvenile gibel carp against Aeromonas hydrophila infection. Four isonitrogenous (360 g kg-1 ) and isolipidic (90 g kg-1 ) diets were formulated with containing different levels of spirulina powder of 0 g (SP0, the control diet), 3.38 g (SP3.38), 6.76 g (SP6.76) and 13.52 g (SP13.52) per 100 g diet to replace 0%, 25%, 50% and 100% of fishmeal protein, respectively...
May 15, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29775613/suppression-of-nlrp3-inflammasome-attenuates-stress-induced-depression-like-behavior-in-nlgn3-deficient-mice
#2
Ze-Qun Li, Zhi-Yuan Yan, Bo-Jun Lan, Yi-Qun Dong, Ye Xiong
Depression, regulated by central nervous system (CNS), is a significant inflammatory disorder. Neuroligin3 (NLGN3) has been implicated in brain functions. In the study, a chronic unpredictable mild stress (CUMS) model in wild type (WT) or NLGN3-knockout (KO) mice was established to explore the role of NLGN3 in regulating depression and to reveal the underlying molecular mechanism. The results indicated that NLGN3-knockout markedly reversed the loss of body weight, the reduction of sucrose consumption, the decrease of immobile time in the forced swimming tests (FST) and tail suspension tests (TST) induced by CUMS paradigm...
May 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29774640/regulatory-roles-of-flavonoids-on-inflammasome-activation-during-inflammatory-responses
#3
REVIEW
Young-Su Yi
Inflammation is an innate immune response to noxious stimuli to protect the body from pathogens and dangers. Inflammatory responses consist of two main steps: priming and triggering. In priming, inflammatory cells increase expressions of inflammatory molecules, while in triggering, inflammasomes are activated, resulting in cell death and pro-inflammatory cytokine secretion. Inflammasomes are protein complexes comprising intracellular pattern recognition receptors (PRRs) (e.g. nucleotide-binding oligomerization domain-like receptors (NLRs), absent in melanoma 2 (AIM2), and caspases-4/5/11) and pro-caspase-1 with or without a bipartite adaptor molecule ASC...
May 17, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29774516/periodic-variation-of-aak1-in-an-a%C3%AE-1-42-induced-mouse-model-of-alzheimer-s-disease
#4
Xue Fu, Meiling Ke, Weihua Yu, Xia Wang, Qian Xiao, Min Gu, Yang Lü
Inhibition of endocytosis in an Alzheimer's disease (AD) model has been shown to be able to prevent amyloid β (Aβ)-induced damage and to exert a beneficial effect in treating AD. Adaptor-associated kinase 1 (AAK1), which binds to the adaptor protein complex 2 (AP-2), regulates the process of clathrin-mediated endocytosis. However, how AAK1 expression varies over the course of AD is unknown. In this study, we investigated AAK1 levels in AD model mice over time. Aβ1-42 was used to establish a mouse AD model, and the Morris water maze test was used to characterize the time course of Aβ1-42 -induced cognition changes...
May 17, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29774040/-oligocellula1-high-expression-of-osmotically-responsive-genes15-promotes-cell-proliferation-with-histone-deacetylase9-and-powerdress-during-leaf-development-in-arabidopsis-thaliana
#5
Marina Suzuki, Nanae Shinozuka, Tomohiro Hirakata, Miyuki T Nakata, Taku Demura, Hirokazu Tsukaya, Gorou Horiguchi
Organ size regulation is dependent on the precise spatial and temporal regulation of cell proliferation and cell expansion. A number of transcription factors have been identified that play a key role in the determination of aerial lateral organ size, but their functional relationship to various chromatin modifiers has not been well understood. To understand how leaf size is regulated, we previously isolated the oligocellula1 ( oli1 ) mutant of Arabidopsis thaliana that develops smaller first leaves than the wild type (WT) mainly due to a reduction in the cell number...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29772377/impact-of-steroid-hormones-e2-and-p-on-the-nlrp3-asc-casp1-axis-in-primary-mouse-astroglia-and-bv-2-cells-after-in-vitro-hypoxia
#6
Alexander Slowik, Leoni Lammerding, Adib Zendedel, Pardes Habib, Cordian Beyer
Clinical and animal model studies have demonstrated the neuroprotective and anti-inflammatory effects of 17beta-estradiol (E2) and progesterone (P) in different disease models of the central nervous system (CNS) including ischemic stroke. Inflammasomes are involved in the interleukin-1 beta (IL1beta) maturation, in particular, NLRP3, the adaptor protein apoptosis-associated speck-like protein containing a CARD (ASC) and the active caspase-1 (Casp1) form. Recently, we showed that administration of E2 or P selectively regulated these components after experimental ischemic stroke in rats...
May 14, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29770510/scf-sniper-4-controls-the-turnover-of-two-redundant-traf-proteins-in-plant-immunity
#7
Jianhua Huang, Chipan Zhu, Xin Li
In mammals, tumor necrosis factor receptor associated factors (TRAFs) are signaling adaptors that regulate diverse physiological processes, including immunity and stress responses. In Arabidopsis, MUSE13 and MUSE14 are redundant TRAF proteins serving as adaptors in the SCFCRP 1 complex to facilitate the turnover of nucleotide-binding domain and leucine-rich repeats (NLR) immune receptors. Degradation of MUSE13 is inhibited by proteasome inhibitor, suggesting that the MUSE13 stability is controlled by the 26S proteasome...
May 16, 2018: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/29769614/heterologous-mammalian-akt-disrupts-plasma-membrane-homeostasis-by-taking-over-torc2-signaling-in-saccharomyces-cerevisiae
#8
Isabel Rodríguez-Escudero, Teresa Fernández-Acero, Víctor J Cid, María Molina
The Akt protein kinase is the main transducer of phosphatidylinositol-3,4,5-trisphosphate (PtdIns3,4,5P3 ) signaling in higher eukaryotes, controlling cell growth, motility, proliferation and survival. By co-expression of mammalian class I phosphatidylinositol 3-kinase (PI3K) and Akt in the Saccharomyces cerevisiae heterologous model, we previously described an inhibitory effect on yeast growth that relied on Akt kinase activity. Here we report that PI3K-Akt expression in yeast triggers the formation of large plasma membrane (PM) invaginations that were marked by actin patches, enriched in PtdIns4,5P2 and associated to abnormal intracellular cell wall deposits...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29769272/original-ligand-for-lt%C3%AE-r-is-light-insight-into-evolution-of-the-lt-lt%C3%AE-r-system
#9
Tomoki Maeda, Hiroaki Suetake, Tomoyuki Odaka, Toshiaki Miyadai
The lymphotoxin (LT)/LTβ receptor (LTβR) axis is crucial for the regulation of immune responses and development of lymphoid tissues in mammals. Despite the importance of this pathway, the existence and function of LT and LTβR remain obscure for nonmammalian species. In this study, we report a nonmammalian LTβR and its ligand. We demonstrate that TNF-New (TNFN), which has been considered orthologous to mammalian LT, was expressed on the cell surface as a homomer in vitro. This different protein structure indicates that TNFN is not orthologous to mammalian LTα and LTβ...
May 16, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29768694/de-novo-variants-in-rhobtb2-an-atypical-rho-gtpase-gene-cause-epileptic-encephalopathy
#10
Hazrat Belal, Mitsuko Nakashima, Hiroshi Matsumoto, Kenji Yokochi, Mariko Taniguchi-Ikeda, Kazushi Aoto, Mohammed Badrul Amin, Azusa Maruyama, Hiroaki Nagase, Takeshi Mizuguchi, Satoko Miyatake, Noriko Miyake, Kazumoto Iijima, Shigeaki Nonoyama, Naomichi Matsumoto, Hirotomo Saitsu
By whole exome sequencing, we identified three de novo RHOBTB2 variants in three patients with epileptic encephalopathies (EEs). Interestingly, all three patients showed acute encephalopathy (febrile status epilepticus), with magnetic resonance imaging revealing hemisphere swelling or reduced diffusion in various brain regions. RHOBTB2 encodes Rho-related BTB domain-containing protein 2, an atypical Rho GTPase that is a substrate-specific adaptor or itself is a substrate for the Cullin-3 (CUL3)-based ubiquitin/proteasome complex...
May 16, 2018: Human Mutation
https://www.readbyqxmd.com/read/29768216/the-rna-exosome-adaptor-zfc3h1-functionally-competes-with-nuclear-export-activity-to-retain-target-transcripts
#11
Toomas Silla, Evdoxia Karadoulama, Dawid Mąkosa, Michal Lubas, Torben Heick Jensen
Mammalian genomes are promiscuously transcribed, yielding protein-coding and non-coding products. Many transcripts are short lived due to their nuclear degradation by the ribonucleolytic RNA exosome. Here, we show that abolished nuclear exosome function causes the formation of distinct nuclear foci, containing polyadenylated (pA+ ) RNA secluded from nucleocytoplasmic export. We asked whether exosome co-factors could serve such nuclear retention. Co-localization studies revealed the enrichment of pA+ RNA foci with "pA-tail exosome targeting (PAXT) connection" components MTR4, ZFC3H1, and PABPN1 but no overlap with known nuclear structures such as Cajal bodies, speckles, paraspeckles, or nucleoli...
May 15, 2018: Cell Reports
https://www.readbyqxmd.com/read/29765373/compartmentalized-cyclic-amp-production-by-the-bordetella-pertussis-and-bacillus-anthracis-adenylate-cyclase-toxins-differentially-affects-the-immune-synapse-in-t-lymphocytes
#12
Vijay B Arumugham, Cristina Ulivieri, Anna Onnis, Francesca Finetti, Fiorella Tonello, Daniel Ladant, Cosima T Baldari
A central feature of the immune synapse (IS) is the tight compartmentalization of membrane receptors and signaling mediators that is functional for its ability to coordinate T cell activation. Second messengers centrally implicated in this process, such as Ca2+ and diacyl glycerol, also undergo compartmentalization at the IS. Current evidence suggests a more complex scenario for cyclic AMP (cAMP), which acts both as positive and as negative regulator of T-cell antigen receptor (TCR) signaling and which, as such, must be subjected to a tight spatiotemporal control to allow for signaling at the IS...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29763375/chromosomal-architecture-and-placental-expression-of-the-human-growth-hormone-gene-family-are-targeted-by-pre-pregnancy-maternal-obesity
#13
Yan Jin, Hana Vakili, SongYan Liu, Savas Menticoglou, Margaret E Bock, Peter A Cattini
The human (h) placental lactogenic hormone chorionic somatomammotropin (CS) is highly produced during pregnancy and acts as a metabolic adaptor in response to maternal insulin resistance. Maternal obesity can exacerbate this "resistance" and a >75% decrease in CS RNA levels was observed in term placentas from obese versus lean women. The genes coding for hCS (hCS-A and hCS-B) and placental growth hormone (hGH-V) as well as the hCS-L pseudogene and pituitary growth hormone (GH) gene (hGH-N) are located at a single locus on chromosome 17...
May 15, 2018: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29762713/snap23-kif5-complex-controls-mglu1-receptor-trafficking
#14
Fabrice Raynaud, Vincent Homburger, Martial Seveno, Oana Vigy, Enora Moutin, Laurent Fagni, Julie Perroy
Metabotropic glutamate receptors are expressed at excitatory synapses and control synaptic transmission in mammalian brain. These receptors are involved in numerous patho-physiological functions. However, little is known about the molecular determinants responsible for their intracellular transport and membrane targeting. Here we investigated the nature of the molecular motor and adaptor protein responsible for trafficking and membrane localization of the group I metabotropic glutamate mGlu1 post-synaptic receptor in cultured hippocampal neurons...
May 14, 2018: Journal of Molecular Cell Biology
https://www.readbyqxmd.com/read/29761014/strain-specific-differential-expression-of-astrocytes-and-microglia-in-the-mouse-hippocampus
#15
Jong Whi Kim, Sung Min Nam, Dae Young Yoo, Hyo Young Jung, In Koo Hwang, Je Kyung Seong, Yeo Sung Yoon
Introduction: Genetic background influences neurotransmitter expression and function of the hippocampus. Genetic background influences the phenotype of the hippocampus, but expression of neuroglia in hippocampus has not been well established dependent on various mouse strains. Objectives: In this study, we investigated the effects of genetic background on cell population of astrocytes and microglia in eight widely used inbred strains (C57BL/6J, A/J, BALB/c, C3H/HeJ, FVB, 129/SvJ, DBA/1, and DBA/2) and one outbred strain (ICR)...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29760876/rinck-mediated-monoubiquitination-of-cgas-promotes-antiviral-innate-immune-responses
#16
Zhao-Shan Liu, Zi-Yu Zhang, Hong Cai, Ming Zhao, Jie Mao, Jiang Dai, Tian Xia, Xue-Min Zhang, Tao Li
Background: As an important danger signal, the presence of DNA in cytoplasm triggers potent immune responses. Cyclic GMP-AMP synthase (cGAS) is a recently characterized key sensor for cytoplasmic DNA. The engagement of cGAS with DNA leads to the synthesis of a second messenger, cyclic GMP-AMP (cGAMP), which binds and activates the downstream adaptor protein STING to promote type I interferon production. Although cGAS has been shown to play a pivotal role in innate immunity, the exact regulation of cGAS activation is not fully understood...
2018: Cell & Bioscience
https://www.readbyqxmd.com/read/29760187/lipopolysaccharide-lps-binding-protein-stimulates-cd14-dependent-toll-like-receptor-4-internalization-and-lps-induced-tbk1-ikk%C3%AF%C2%B5-irf3-axis-activation
#17
Hiroki Tsukamoto, Shino Takeuchi, Kanae Kubota, Yohei Kobayashi, Sao Kozakai, Ippo Ukai, Ayumi Shichiku, Misaki Okubo, Muneo Numasaki, Yoshitomi Kanemitsu, Yotaro Matsumoto, Tomonori Nochi, Kouichi Watanabe, Hisashi Aso, Yoshihisa Tomioka
Toll-like receptor 4 (TLR4) is an indispensable immune receptor for lipopolysaccharide (LPS), a major component of the Gram-negative bacterial cell wall. Following LPS stimulation, TLR4 transmits the signal from the cell surface and becomes internalized in an endosome. However, the spatial regulation of TLR4 signaling is not fully understood. Here, we investigated the mechanisms of LPS-induced TLR4 internalization and clarified the roles of the extracellular LPS-binding molecules, LPS-binding protein (LBP), and glycerophosphatidylinositol-anchored protein (CD14)...
May 14, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29752955/skeletal-muscle-specific-sidt2-knockout-in-mice-induced-muscular-dystrophy-like-phenotype
#18
Huan Liu, Wenjun Jiang, Xueru Chen, Guoying Chang, Lei Zhao, Xihua Li, Huiwen Zhang
BACKGROUND: Sidt2 is an integral lysosomal membrane protein. Previously, we generated a Sidt2 global knockout mouse and found impaired insulin secretion, along with skeletal muscle pathology. METHODS: A mouse model with a muscle-specific knockout of the Sidt2 gene (Sidt2f/f Cre) had been generated, to which extensive morphologic study as well as functional study was applied to investigate the direct role of Sidt2 on skeletal muscle tissue in vivo. Secondly, the autophagy-lysosomal pathway was examined by Western blot and immunostaining...
May 9, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29752681/critical-role-of-beclin1-in-hiv-tat-and-morphine-induced-inflammation-and-calcium-release-in-glial-cells-from-autophagy-deficient-mouse
#19
Jessica Lapierre, Myosotys Rodriguez, Chet Raj Ojha, Nazira El-Hage
We previously showed that autophagy is an important component in human immunodeficiency virus (HIV) replication and in the combined morphine-induced neuroinflammation in human astrocytes and microglia. Here we further studied the consequences of autophagy using glial cells of mice partially lacking the essential autophagy gene Atg6 (Beclin1) exposed to HIV Tat and morphine. Tat is known to cause an inflammatory response, increase calcium release, and possibly interact with autophagy pathway proteins. Following Tat exposure, autophagy-deficient (Becn1+/- ) glial cells had significantly and consistently reduced levels in the pro-inflammatory cytokine IL-6 and the chemokines RANTES and MCP-1 when compared to Tat-treated cells from control (C57BL/6J) mice, suggesting an association between the inflammatory effects of Tat and Beclin1...
May 11, 2018: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/29752434/activation-of-tgf-%C3%AE-activated-kinase-1-tak1-restricts-salmonella-typhimurium-growth-by-inducing-ampk-activation-and-autophagy
#20
Wei Liu, Yuanyuan Jiang, Jing Sun, Shizhong Geng, Zhiming Pan, Richard A Prinz, Chengming Wang, Jun Sun, Xinan Jiao, Xiulong Xu
Autophagy is a conserved cellular process that functions as a first-line defense to restrict the growth of invading parasitic bacteria. As an intracellular pathogen, Salmonella (S) Typhimurium invades host cells through two Type III secretion systems (T3SS) and resides in the Salmonella-containing vacuole (SCV). When the SCV membrane is perforated and ruptured by T3SS-1, a small portion of the Salmonella egresses from the SCV and replicates rapidly in the nutrient-rich cytosol. Cytosolic Salmonella and those residing in the membrane-damaged SCV are tagged by ubiquitination and marked for autophagy through the ubiquitin-binding adaptor proteins such as p62, NDP52, and optineurin...
May 11, 2018: Cell Death & Disease
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