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https://www.readbyqxmd.com/read/28945024/-pathogenesis-and-treatment-of-insulin-resistance-in-chronic-kidney-disease-and-interventional-effects-of-chinese-herbal-medicine
#1
REVIEW
Wei Wu, Jing-Jing Yang, Yi-Gang Wan, Yue Tu, Ge Shi, Wen-Bei Han, Bu-Hui Liu, Jian Yao
The kidney is the target organ of insulin with abundant insulin receptors. Thereinto,the renal intrinsic cells including glomerular podocytes,endothelial cells,mesangial cells,renal tubular epitheliums and collecting duct epithelial cells are all highly sensitive to insulin as the effector cells. Furthermore,the structural and functional abnormalities of these cells are closely related to insulin and its receptors activity. It is reported that the chronic kidney disease(CKD)patients have systemic or renal insulin resistance(IR)...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28944916/total-glucosides-of-paeony-ameliorates-tnbs%C3%A2-induced-colitis-by-modulating-differentiation-of-th17-treg-cells-and-the-secretion-of-cytokines
#2
Haihua Lin, Wenyou Zhang, Xuepei Jiang, Renpin Chen, Xielin Huang, Zhiming Huang
The imbalance between effector CD4+ T helper 17 (Th17) and regulatory CD4+ T cells (Treg) cells and their associated cytokines, have been associated with the pathogenesis of inflammatory bowel disease (IBD). Total glycosides of paeony (TGP) is an alternative immunomodulatory agent that is widely used for the treatment of autoimmune diseases. The present study aimed to evaluate the modulatory effect of TGP in a rat model of colitis induced by 2,4,6‑trinitrobenzene sulfonic acid (TNBS). TGP was administered intragastrically 24 h after the TNBS intrarectal instillation for 7 days...
September 25, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944771/the-spectrum-of-t-cell-metabolism-in-health-and-disease
#3
REVIEW
Glenn R Bantug, Lorenzo Galluzzi, Guido Kroemer, Christoph Hess
In healthy individuals, metabolically quiescent T cells survey lymph nodes and peripheral tissues in search of cognate antigens. During infection, T cells that encounter cognate antigens are activated and - in a context-specific manner - proliferate and/or differentiate to become effector T cells. This process is accompanied by important changes in cellular metabolism (known as metabolic reprogramming). The magnitude and spectrum of metabolic reprogramming as it occurs in T cells in the context of acute infection ensure host survival...
September 25, 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28944300/proteomic-analysis-of-extracellular-vesicles-from-a-plasmodium-falciparum-kenyan-clinical-isolate-defines-a-core-parasite-secretome
#4
Abdirahman Abdi, Lu Yu, David Goulding, Martin K Rono, Philip Bejon, Jyoti Choudhary, Julian Rayner
BACKGROUND: Many pathogens secrete effector molecules to subvert host immune responses, to acquire nutrients, and/or to prepare host cells for invasion. One of the ways that effector molecules are secreted is through extracellular vesicles (EVs) such as exosomes. Recently, the malaria parasite P. falciparum has been shown to produce EVs that can mediate transfer of genetic material between parasites and induce sexual commitment. Characterizing the content of these vesicles may improve our understanding of P...
2017: Wellcome Open Research
https://www.readbyqxmd.com/read/28944216/legionella-effector-ankx-disrupts-host-cell-endocytic-recycling-in-a-phosphocholination-dependent-manner
#5
Samual C Allgood, Barbara P Romero Dueñas, Rebecca R Noll, Colleen Pike, Sean Lein, M Ramona Neunuebel
The facultative intracellular bacterium Legionella pneumophila proliferates within amoebae and human alveolar macrophages, and it is the causative agent of Legionnaires' disease, a life-threatening pneumonia. Within host cells, L. pneumophila establishes a replicative haven by delivering numerous effector proteins into the host cytosol, many of which target membrane trafficking by manipulating the function of Rab GTPases. The Legionella effector AnkX is a phosphocholine transferase that covalently modifies host Rab1 and Rab35...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28944167/regulation-of-cytotoxic-t-cell-responses-by-p53-in-cancer
#6
Mitchell W Braun, Tomoo Iwakuma
An intriguing aspect of the tumor suppressor p53 is its ability to communicate to the adaptive immune system and control the cytotoxic T-lymphocyte (CTL) response to cancer cells. Wild-type p53 (wtp53) communicates with CTLs through proteins involved in the major histocompatibility complex (MHC) class I antigen presentation pathway [e.g., transporter associated with antigen processing 1 (TAP1) and endoplasmic reticulum amino peptidase 1 (ERAP1)], the apoptosis signal receptor Fas/APO-1, and the inhibitory immune-checkpoint programmed death-ligand 1 (PD-L1)...
December 2016: Translational Cancer Research
https://www.readbyqxmd.com/read/28944079/quantitative-systems-biology-to-decipher-design-principles-of-a-dynamic-cell-cycle-network-the-maximum-allowable-mammalian-trade-off-weight-mamtow
#7
REVIEW
Matteo Barberis, Paul Verbruggen
Network complexity is required to lend cellular processes flexibility to respond timely to a variety of dynamic signals, while simultaneously warranting robustness to protect cellular integrity against perturbations. The cell cycle serves as a paradigm for such processes; it maintains its frequency and temporal structure (although these may differ among cell types) under the former, but accelerates under the latter. Cell cycle molecules act together in time and in different cellular compartments to execute cell type-specific programs...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28943878/triplebody-mediates-increased-anti-leukemic-reactivity-of-il-2-activated-donor-natural-killer-nk-cells-and-impairs-viability-of-their-cd33-expressing-nk-subset
#8
Stephan Kloess, Alessa Ede Valverde da Silva, Olaf Oberschmidt, Tanja Gardlowski, Nadine Matthies, Maulik Vyas, Lubomir Arseniev, Michael Heuser, Elke Pogge von Strandmann, Ulrike Köhl
Natural killer cells (NK) are essential for the elimination of resistant acute myeloid and acute lymphoblastic leukemia (AML and ALL) cells. NK cell-based immunotherapies have already successfully entered for clinical trials, but limitations due to immune escape mechanisms were identified. Therefore, we extended our established NK cell protocol by integration of the previously investigated powerful trispecific immunoligand ULBP2-aCD19-aCD33 [the so-called triplebodies (TBs)] to improve the anti-leukemic specificity of activated NK cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28943857/transfer-of-motor-learning-is-more-pronounced-in-proximal-compared-to-distal-effectors-in-upper-extremities
#9
Tore K Aune, Morten A Aune, Rolf P Ingvaldsen, Beatrix Vereijken
The current experiment investigated generalizability of motor learning in proximal versus distal effectors in upper extremities. Twenty-eight participants were divided into three groups: training proximal effectors, training distal effectors, and no training control group (CG). Performance was tested pre- and post-training for specific learning and three learning transfer conditions: (1) bilateral learning transfer between homologous effectors, (2) lateral learning transfer between non-homologous effectors, and (3) bilateral learning transfer between non-homologous effectors...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28943841/microglia-an-interface-between-the-loss-of-neuroplasticity-and-depression
#10
REVIEW
Gaurav Singhal, Bernhard T Baune
Depression has been widely accepted as a major psychiatric disease affecting nearly 350 million people worldwide. Research focus is now shifting from studying the extrinsic and social factors of depression to the underlying molecular causes. Microglial activity is shown to be associated with pathological conditions, such as psychological stress, pathological aging, and chronic infections. These are primary immune effector cells in the CNS and regulate the extensive dialogue between the nervous and the immune systems in response to different immunological, physiological, and psychological stressors...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28943543/expression-of-master-regulators-of-t-cell-helper-t-cell-and-follicular-helper-t-cell-differentiation-in-angioimmunoblastic-t-cell-lymphoma
#11
Yosuke Matsumoto, Hisao Nagoshi, Mihoko Yoshida, Seiichi Kato, Junya Kuroda, Kazuho Shimura, Hiroto Kaneko, Shigeo Horiike, Shigeo Nakamura, Masafumi Taniwaki
Objective It has been postulated that the normal counterpart of angioimmunoblastic T-cell lymphoma (AITL) is the follicular helper T-cell (TFH). Recent immunological studies have identified several transcription factors responsible for T-cell differentiation. The master regulators associated with T-cell, helper T-cell (Th), and TFH differentiation are reportedly BCL11B, Th-POK, and BCL6, respectively. We explored the postulated normal counterpart of AITL with respect to the expression of the master regulators of T-cell differentiation...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28943093/naturak-killer-cell-immunotherapies-against-cancer-checkpoint-inhibitors-and-more
#12
REVIEW
Laura Chiossone, Margaux Vienne, Yann M Kerdiles, Eric Vivier
After many years of research, recent advances have shed new light on the role of the immune system in advanced-stage cancer. Various types of immune cells may be useful for therapeutic purposes, along with chemical molecules and engineered monoclonal antibodies. The immune effectors suitable for manipulation for adoptive transfer or drug targeting in vivo include natural killer (NK) cells. These cells are of particular interest because they are tightly regulated by an array of inhibitory and activating receptors, enabling them to kill tumor cells while sparing normal cells...
September 21, 2017: Seminars in Immunology
https://www.readbyqxmd.com/read/28943088/bubr1-promotes-bub3-dependent-apc-c-inhibition-during-spindle-assembly-checkpoint-signaling
#13
Katharina Overlack, Tanja Bange, Florian Weissmann, Alex C Faesen, Stefano Maffini, Ivana Primorac, Franziska Müller, Jan-Michael Peters, Andrea Musacchio
The spindle assembly checkpoint (SAC) prevents premature sister chromatid separation during mitosis. Phosphorylation of unattached kinetochores by the Mps1 kinase promotes recruitment of SAC machinery that catalyzes assembly of the SAC effector mitotic checkpoint complex (MCC). The SAC protein Bub3 is a phospho-amino acid adaptor that forms structurally related stable complexes with functionally distinct paralogs named Bub1 and BubR1. A short motif ("loop") of Bub1, but not the equivalent loop of BubR1, enhances binding of Bub3 to kinetochore phospho-targets...
September 14, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28942944/death-receptor-3-regulates-distinct-pathological-attributes-of-acute-versus-chronic-murine-allergic-lung-inflammation
#14
Ravinder Kaur Singh, William Victor Perks, Jason Peter Twohig, Emma J Kidd, Kenneth Broadley, Stuart N Farrow, Anwen Sian Williams, Philip Russel Taylor, Eddie Chung Yern Wang
The Death Receptor 3 (DR3)/Tumour Necrosis Factor-like cytokine 1A (TL1A) axis stimulates effector T cells and type 2 innate lymphocytes (ILC2) that trigger cytokine release and drive disease pathology in several inflammatory and autoimmune diseases, including murine models of acute allergic lung inflammation (ALI). The aim of this study was to elucidate the role of DR3 in chronic ALI compared to acute ALI, using mice genetically deficient in the DR3 gene (DR3(ko)). Results showed DR3 expression in the lungs of wild-type mice was up-regulated following induction of acute ALI and this increased expression was maintained in chronic disease...
September 15, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28942838/nucleoside-diphosphate-kinase-ndk-a-pleiotropic-effector-manipulating-bacterial-virulence-and-adaptive-responses
#15
REVIEW
Hua Yu, Xiancai Rao, Kebin Zhang
Nucleoside diphosphate kinase (Ndk) is a housekeeping enzyme that balances cellular nucleoside triphosphate (NTP) pools by catalyzing the reversible transfer of γ-phosphate from NTPs to nucleoside diphosphates (NDPs). In addition to its fundamental role in nucleotide metabolism, Ndk has roles in protein histidine phosphorylation, DNA cleavage/repair, and gene regulation. Recent studies have also revealed that Ndk secreted from bacteria is important in modulating virulence-associated phenotypes including quorum sensing regulation, type III secretion system activation, and virulence factor production...
December 2017: Microbiological Research
https://www.readbyqxmd.com/read/28942469/early-versus-late-diagnosis-of-complement-factor-i-deficiency-clinical-consequences-illustrated-in-two-families-with-novel-homozygous-cfi-mutations
#16
Clara Franco-Jarava, Elena Álvarez de la Campa, Xavier Solanich, Francisco Morandeira-Rego, Virgínia Mas-Bosch, Marina García-Prat, Xavier de la Cruz, Andrea Martín-Nalda, Pere Soler-Palacín, Manuel Hernández-González, Roger Colobran
The complement system is an important effector arm of innate immunity and plays a crucial role in the defense against common pathogens. But effective defense and maintenance of homeostasis requires a careful balance between complement activation and regulation. Factor I (FI) is one of the most important regulators of the complement system. Complete FI deficiency is a rare autosomal recessive disorder typically resulting in severe, recurrent infection by encapsulated bacteria. In the present study, we describe two patients from unrelated families with complete FI deficiency diagnosed at very different ages: Patient 1 is a 60-year-old man who had experienced several severe infections (pneumonia, meningitis, sepsis) since childhood, one of which caused significant and permanent neurologic sequelae...
September 23, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28942362/calcitriol-treatment-ameliorates-inflammation-and-blistering-in-mouse-models-of-epidermolysis-bullosa-acquisita
#17
Stefan Tukaj, Katja Bieber, Mareike Witte, Saeedeh Ghorbanalipoor, Enno Schmidt, Detlef Zillikens, Ralf J Ludwig, Michael Kasperkiewicz
A link between hypovitaminosis D and development of autoimmune bullous disorders has been recently suggested, but this association has not been experimentally elaborated. Here, the role of vitamin D was investigated in epidermolysis bullosa acquisita (EBA), an anti-type VII collagen autoantibody-induced blistering skin disease. Oral administration of the hormonally active vitamin D metabolite calcitriol ameliorated clinical disease severity and dermal neutrophil infiltration in both an antibody transfer- and immunization-induced EBA mouse model...
September 20, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28942358/claspin-functions-in-cell-homeostasis-a-link-to-cancer
#18
REVIEW
Diana Azenha, Maria Celeste Lopes, Teresa C Martins
Cancer remains one of the leading causes of mortality worldwide. Most cancers present high degrees of genomic instability. DNA damage and replication checkpoints function as barriers to halt cell cycle progression until damage is resolved, preventing the perpetuation of errors. Activation of these checkpoints is critically dependent on Claspin, an adaptor protein that mediates the phosphorylation of the effector kinase Chk1 by ATR. However, Claspin also performs other roles related to the protection and maintenance of cell and genome integrity...
September 8, 2017: DNA Repair
https://www.readbyqxmd.com/read/28941928/sequential-actions-of-immune-effector-cells-induced-by-viral-activation-of-dendritic-cells-to-eliminate-murine-neuroblastoma
#19
Naonori Kawakubo, Sakura Tanaka, Yoshiaki Kinoshita, Tatsuro Tajiri, Yoshikazu Yonemitsu, Tomoaki Taguchi
PURPOSE: In preclinical trails, we reported the antitumor effect of dendritic cells activated with Sendai virus (rSeV/DC) combined with γ-irradiation against neuroblastoma. However, what kind of effector cells for the combined therapy were used to show the antitumor effect was unclear. In this study, we performed radiation and rSeV/DC therapy in vivo and examined the effector cells involved. METHODS: Dendritic cells were cultured from bone marrow cells, activated with SeV and administered intratumorally at 10(6) weekly for 3weeks...
August 26, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28941802/cftr-modulates-rps27-gene-expression-using-chloride-anion-as-signaling-effector
#20
Ángel G Valdivieso, Consuelo Mori, Mariángeles Clauzure, Macarena Massip-Copiz, Tomás A Santa-Coloma
In Cystic Fibrosis (CF), the impairment of the CFTR channel activity leads to a variety of alterations, including differential gene expression. However, the CFTR signaling mechanisms remain unclear. Recently, culturing IB3-1 CF cells under different intracellular Cl(-) concentrations ([Cl(-)]i), we observed several Cl(-)-dependent genes and further characterized one of them as RPS27. Thus, we hypothesized that Cl(-) might act as a signaling effector for CFTR signaling. Here, to test this idea, we study RPS27 expression in T84 cells modulating the CFTR activity by using CFTR inhibitors...
September 20, 2017: Archives of Biochemistry and Biophysics
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