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Adaptor protein 1

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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/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
#5
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
#6
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/29765373/compartmentalized-cyclic-amp-production-by-the-bordetella-pertussis-and-bacillus-anthracis-adenylate-cyclase-toxins-differentially-affects-the-immune-synapse-in-t-lymphocytes
#7
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/29761014/strain-specific-differential-expression-of-astrocytes-and-microglia-in-the-mouse-hippocampus
#8
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
#9
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
#10
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/29752681/critical-role-of-beclin1-in-hiv-tat-and-morphine-induced-inflammation-and-calcium-release-in-glial-cells-from-autophagy-deficient-mouse
#11
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
#12
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
https://www.readbyqxmd.com/read/29748372/traf1-is-critical-for-regulating-the-braf-mek-erk-pathway-in-non-small-cell-lung-carcinogenesis
#13
Qiushi Wang, Ge Gao, Tianshun Zhang, Ke Yao, Hanyong Chen, Mi Hee Park, Hiroyuki Yamamoto, Keke Wang, Weiya Ma, Margarita Malakhova, Ann M Bode, Zigang Dong
Tumor necrosis factor receptor (TNFR)-associated factor 1 (TRAF1) is a unique TRAF protein that can interact directly or indirectly with multiple TNFR family members, regulatory proteins, kinases, and adaptors that contribute to its diverse functions in specific tissues. However, the role of TRAF1 in non-small cell lung cancer (NSCLC) remains unknown. In this study, we report that TRAF1 is overexpressed in human lung cancer cells and tissues. TRAF1 expression level inversely correlated with patient survival probability...
May 10, 2018: Cancer Research
https://www.readbyqxmd.com/read/29746980/in-silico-analysis-of-schmidtea-mediterranea-tir-domain-containing-proteins
#14
Landry Laure Tsoumtsa, Seynabou Sougoufoura, Cedric Torre, Emmanuel Lemichez, Pierre Pontarotti, Eric Ghigo
While genetic evidence points towards an absence of Toll-Like Receptors (TLRs) in Platyhelminthes, the Toll/IL-1 Receptor (TIR)-domains that drive the assembly of signalling complexes downstream TLR are present in these organisms. Here, we undertook the characterisation of the repertoire of TIR-domain containing proteins in Schmidtea mediterranea in order to gain valuable information on TLR evolution in metazoan. We report the presence of twenty proteins containing between one and two TIR domains. In addition, our phylogenetic-based reconstruction approach identified Smed-SARM and Smed-MyD88 as conserved TLR adaptors...
May 7, 2018: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29740613/big1-arfgef1-and-arf1-regulate-the-initiation-of-myelination-by-schwann-cells-in-mice
#15
Yuki Miyamoto, Tomohiro Torii, Kenji Tago, Akito Tanoue, Shou Takashima, Junji Yamauchi
During development of the peripheral nervous system in mammals, Schwann cells wrap their plasma membranes around neuronal axons, forming multiple myelin sheaths. A mature myelin sheath insulates axons and increases nerve conduction velocity while protecting nerve fibers from various stresses such as physical ones. Despite this functional importance, the molecular units that underlie dynamic morphological changes in formation of myelin sheaths are not sufficiently understood. Arf1 is a small guanosine triphosphate-binding protein that plays multiple roles in intracellular trafficking and related signaling, both of which are processes involved in cell morphogenesis...
April 2018: Science Advances
https://www.readbyqxmd.com/read/29740149/clathrin-mediated-endocytosis-is-a-candidate-entry-sorting-mechanism-for-bombyx-mori-cypovirus
#16
Fei Chen, Liyuan Zhu, Yiling Zhang, Dhiraj Kumar, Guangli Cao, Xiaolong Hu, Zi Liang, Sulan Kuang, Renyu Xue, Chengliang Gong
Bombyx mori cypovirus (BmCPV), a member of the Reoviridae, specifically infects silkworms and causes extensive economic losses to the sericulture industry. To date, the entry mechanism of BmCPV into cells is unclear. Here we used electron microscopy to study the route of entry of BmCPV into cells, and the results demonstrated that the entry of BmCPV into BmN cells was mediated by endocytosis. Blocking the entry pathway with four endocytosis inhibitors, including dansylcadaverine, chlorpromazine, genistein, and PP2, significantly decreased the infectivity of BmCPV...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29738775/crl4b-rbbp7-targets-huwe1-for-ubiquitination-and-proteasomal-degradation
#17
Fei Liu, Li Cao, Ting Zhang, Fen Chang, Yongjie Xu, Qin Li, Jingcheng Deng, Li Li, Genze Shao
The E3 ubiquitin ligase HUWE1/Mule/ARF-BP1 plays an important role in diverse biological processes including DNA damage repair and apoptosis. Our previous study has shown that in response to DNA damage HUWE1 was downregulated in CUL4B-mediated ubiquitination and subsequent proteasomal degradation, and CUL4B-mediated regulation of HUWE1 is important for cell survival upon DNA damage. CUL4B is a core component of the CUL4B Ring ligase complexes containing ROC1, DDB1 and a DDB1-Cullin Associated Factors (DCAFs), the latter of which are DDB1-binding WD40 adaptors critical for substrate recognition and recruitment...
May 5, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29738493/autophagic-regulation-of-p62-is-critical-for-cancer-therapy
#18
REVIEW
Md Ariful Islam, Mopa Alina Sooro, Pinghu Zhang
Sequestosome1 (p62/SQSTM 1) is a multidomain protein that interacts with the autophagy machinery as a key adaptor of target cargo. It interacts with phagophores through the LC3-interacting (LIR) domain and with the ubiquitinated protein aggregates through the ubiquitin-associated domain (UBA) domain. It sequesters the target cargo into inclusion bodies by its PB1 domain. This protein is further the central hub that interacts with several key signaling proteins. Emerging evidence implicates p62 in the induction of multiple cellular oncogenic transformations...
May 8, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29727723/identification-functional-characterization-and-expression-pattern-of-myeloid-differentiation-factor-88-myd88-in-sepiella-japonica
#19
Liping Huo, Miaomiao Bao, Zhenming Lv, Changfeng Chi, Tianming Wang, Huihui Liu
Myeloid differentiation factor 88 (MyD88) is an adaptor protein involved in the interleukin-1 receptor and Toll-like receptor-induced activation of nuclear factor-κB (NF-κB). In this study a novel isoform of MyD88 in Sepiella japonica (SjMyD88) was cloned and functionally characterized (GenBank accession no. AQY56781.1). The complete cDNA sequence of SjMyD88 was 1912 bp and contained a 1017 bp open reading frame encoding 338 amino acid residues, which was similar to its mollusk orthologues in the length. BLASTp analysis suggested the deduced amino acids sequence of SjMyD88 shared high identity to the known MyD88, for instance, 64% identity with Octopus bimaculoides...
May 1, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29719169/phagocytosis-mediated-m1-activation-by-chitin-but-not-by-chitosan
#20
Spring Davis, Aiko M Cirone, Janet Menzie, Floyd Russell, C Kathleen Dorey, Yoshimi Shibata, Jianning Wei, Changlong Nan
Chitin particles have been used to understand host response to chitin-containing pathogens and allergens, and are known to induce a wide range of polarized macrophage activations, depending, at least in part, on particle size. Non-phagocytosable particles larger than a macrophage induce tissue repair M2 activation. In contrast, phagocytosable chitin microparticles (CMPs, 1 - 10 µm diameters) induced M1 macrophages that kill intracellular microbes and damage tissues. However, chitosan (de-acetylated) microparticles (de-CMPs, 1 - 10 µm) induced poor M1 activation...
May 2, 2018: American Journal of Physiology. Cell Physiology
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