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https://www.readbyqxmd.com/read/29793206/effects-on-the-hepatic-transcriptome-of-chicken-embryos-in-ovo-exposed-to-phenobarbital
#1
Jiahua Guo, Shohei Ito, Hoa Thanh Nguyen, Kimika Yamamoto, Hisato Iwata
This work aimed at evaluating the toxic effects of in ovo exposure to phenobarbital (PB) and unveiling the mode of action by transcriptome analysis in the embryonic liver of a model avian species, chicken (Gallus gallus). Embryos were initially treated with saline or 1 μg PB /g egg at Hamburger Hamilton Stage (HHS) 1 (1st day), followed by 20 days of incubation to HHS 46. At 21st day, chicks that pipped successfully were euthanized and dissected for assessing the PB caused effects on phenotypes and the liver transcriptome in both genders...
May 21, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29793178/nrf2-p-glycoprotein-axis-is-associated-with-clinicopathological-characteristics-in-colorectal-cancer
#2
Mohammad Reza Sadeghi, Farhad Jeddi, Narges Soozangar, Mohammad Hossein Somi, Masoud Shirmohamadi, Vahid Khaze, Nasser Samadi
Colorectal cancer (CRC) is the fourth leading cause of cancer-related death worldwide. Activation of ABCB1 gene and its main product, P-glycoprotein, is the common reason for chemoresistance. The nuclear factor-erythroid 2-related factor2 (Nrf2) is directly regulated by Kelch like ECH-associated protein1 (Keap1). In addition, Nrf2 is a key transcriptional factor that regulates efflux transporters, including P-gp. The aim of this study was to investigate the expression levels of Nrf2, Keap1 and ABCB1 in the biopsy samples and their association with clinicopathological features in CRC patients...
May 21, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29793167/improvement-of-neuronal-differentiation-by-carbon-monoxide-role-of-pentose-phosphate-pathway
#3
Ana S Almeida, Nuno L Soares, Catarina O Sequeira, Sofia A Pereira, Ursula Sonnewald, Helena L A Vieira
Over the last decades, the silent-killer carbon monoxide (CO) has been shown to also be an endogenous cytoprotective molecule able to inhibit cell death and modulate mitochondrial metabolism. Neuronal metabolism is mostly oxidative and neurons also use glucose for maintaining their anti-oxidant status by generation of reduced glutathione (GSH) via the pentose-phosphate pathway (PPP). It is established that neuronal differentiation depends on reactive oxygen species (ROS) generation and signalling, however there is a lack of information about modulation of the PPP during adult neurogenesis...
May 15, 2018: Redox Biology
https://www.readbyqxmd.com/read/29793136/effects-of-gestational-hypertension-and-pre-eclampsia-in-mrna-expression-of-fibrinolysis-genes-in-primary-cultured-human-umbilical-vein-endothelial-cells
#4
Irais Poblete-Naredo, Yury Rodríguez-Yáñez, Rogelio O Corona-Núñez, Stuart González-Monroy, Juan E Salinas, Arnulfo Albores
Hypertension disorders (HD) and pre-eclampsia (PRE) are leading causes of maternal deaths worldwide. PRE is associated with vascular endothelial dysfunction and with deregulation of the fibrinolysis pathway genes. Fibrinolysis is the fibrin clot hydrolysis process catalyzed by plasmin, a proteolytic enzyme formed from plasminogen. Plasminogen is cleaved by tissue-type (tPA) and urokinase-type (uPA) activators and inhibited by the plasminogen activator inhibitors type-1 (PAI-1) and type-2 (PAI-2). The whole process maintains blood hemostasis...
May 17, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29793076/porcine-circovirus-type-2-inhibits-inter-%C3%AE-expression-by-targeting-karyopherin-alpha-3-in-pk-15-cells
#5
Jiansheng Li, Mingqing Lu, Bei Huang, Yingjun Lv
Interferon (IFN)-mediated antiviral response is an important part of host defense. Previous studies reported that porcine circovirus type 2 (PCV2) inhibits interferon production, but the mechanism is still poorly understood. In this study, PCV2 suppresses IFN-β and IRF3 promoters and mRNA level of IFN-β induced by ISD or Poly(I:C), but has no effect on the activation of AP-1 and NF-κB. Furthermore, PCV2 decreases the mRNA level of IFN-β and IFN-β promoter activity driven by STING, TBK1, IRF3, and IRF3/5D, and causes a reduction in the protein level of nuclear p-IRF3...
May 21, 2018: Virology
https://www.readbyqxmd.com/read/29792953/protective-effect-of-s-nitrosoglutathione-administration-against-hyperglycemia-induced-disruption-of-blood-brain-barrier-is-mediated-by-alterations-in-tight-junction-proteins-and-cell-adhesion-molecules
#6
Aanchal Aggarwal, Inderjit Singh, Rajat Sandhir
Diabetes is associated with increased blood brain barrier (BBB) permeability resulting in neurological deficits. The present study investigated the role of S-nitrosoglutathione (GSNO) on tight junction proteins and cell adhesion molecules in streptozotocin-induced diabetic mice. Diabetes was induced by intraperitoneal injection of streptozotocin (40 mg/kg body weight) for 5 days in mice. GSNO was administered daily (100 μg/kg body weight, orally) for 8 weeks after the induction of diabetes. A significant decline was observed in the cognitive ability of diabetic animals assessed using radial arm maze test...
May 21, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29792949/srnaome-and-transcriptome-analysis-provide-insight-into-chilling-response-of-cowpea-pods
#7
Jinhua Zuo, Yunxiang Wang, Benzhong Zhu, Yunbo Luo, Qing Wang, Lipu Gao
Cowpea is an important horticultural crop in tropical and subtropical areas of Asia, Africa, and Latin America, as well as parts of southern Europe and Central and South America. Chilling injury is a common physiological hazard of cowpea in cold chain logistics which reduce the cowpea pod's nutritional quality and product value. However, the molecular mechanism involved in chilling injury remains unclear in cowpea pods. RNA-Seq and sRNA-Seq technologies were employed to decipher the miRNAs and mRNAs expression profiles and their regulatory networks in cowpea pods involved in chilling stress...
May 21, 2018: Gene
https://www.readbyqxmd.com/read/29792935/lp533401-restores-bone-health-in-5-6-nephrectomized-rats-by-a-decrease-of-gut-derived-serotonin-and-regulation-of-serum-phosphate-through-the-inhibition-of-phosphate-co-transporters-expression-in-the-kidneys
#8
Dariusz Pawlak, Beata Znorko, Bartlomiej Kalaska, Tomasz Domaniewski, Radosław Zawadzki, Paweł Lipowicz, Michał Doroszko, Urszula Łebkowska, Piotr Grabowski, Krystyna Pawlak
LP533401 is an orally bioavailable small molecule that inhibits tryptophan hydroxylase-1, an enzyme responsible for the synthesis of gut-derived serotonin (GDS). Recently, we showed that increased GDS in rats with chronic kidney disease (CKD) affected bone strength and metabolism. We tested the hypothesis that treatment with LP533401 could reverse CKD-induced bone loss in uremia. Sixteen weeks after 5/6 nephrectomy, rats were randomized into untreated (CKD), treated with vehicle (VEH) and LP533401 at a dose of 30 or 100 mg/kg daily for 8 weeks...
May 21, 2018: Bone
https://www.readbyqxmd.com/read/29792880/molecular-alterations-during-larval-development-of-haemonchus-contortus-in-vitro-are-under-tight-post-transcriptional-control
#9
Guangxu Ma, Tao Wang, Pasi K Korhonen, Ching-Seng Ang, Nicholas A Williamson, Neil D Young, Andreas J Stroehlein, Ross S Hall, Anson V Koehler, Andreas Hofmann, Robin B Gasser
In this study, we explored the molecular alterations in the developmental switch from the L3 to the exsheathed L3 (×L3) and to the L4 stage of Haemonchus contortus in vitro using an integrated transcriptomic, proteomic and bioinformatic approach. Totals of 9,754 mRNAs, 88 microRNAs (miRNAs) and 1,591 proteins were identified, and 6,686 miRNA-mRNA pairs inferred in all larval stages studied. Approximately 16% of transcripts in the combined transcriptome (representing all three larval stages) were expressed as proteins, and there were positive correlations (r = 0...
May 22, 2018: International Journal for Parasitology
https://www.readbyqxmd.com/read/29792879/astragaloside-suppresses-apoptosis-of-the-podocytes-in-rats-with-diabetic-nephropathy-via-mir-378-traf5-signaling-pathway
#10
Xiao Lei, Bo-da Zhang, Ji-Gang Ren, Fang-Li Luo
AIMS: Apoptosis of podocytes plays a crucial role in diabetic nephropathy (DN) development, and astragaloside (AS-IV) has a significant impact on podocyte apoptosis. This study aims to explore the effect of AS-IV on diabetic nephropathy progression. MATERIALS AND METHODS: The diabetic nephropathy model was established in rats with streptozotocin (STZ) injection. The albuminuria was examined by using the enzyme linked immunosorbent assay (ELISA). The expression of miR-378, tumor-necrosis factor (TNF) receptor (TNFR)-associated factor 5 (TRAF5) mRNA and protein was analyzed by qRT-PCR and western blot, respectively...
May 21, 2018: Life Sciences
https://www.readbyqxmd.com/read/29792868/ah6809-decreases-production-of-inflammatory-mediators-by-pge-2-ep2-camp-signaling-pathway-in-an-experimentally-induced-pure-cerebral-concussion-in-rats
#11
Ping Li, Hongyan Jiang, Haiying Wu, Deye Wu, Hengxi Li, Jianyun Yu, Jianghua Lai
Increasing evidence suggests that PGE2 metabolic pathway is involved in pathological changes of the secondary brain injury after traumatic brain injury. However, the underlying mechanisms, in particular, the correlation between various key enzymes and the brain injury, has remained to be fully explored. More specifically, it remains to be ascertained whether AH6809 (an EP2 receptor antagonist) would interfere with the downstream of the PGE2 , regulate the inflammatory mediators and improve neuronal damage in the hippocampus by PGE2 - EP2 - cAMP signaling pathway...
May 21, 2018: Brain Research
https://www.readbyqxmd.com/read/29792861/nlgn3-protects-retinal-cells-from-h-2-o-2-via-activating-nrf2-signaling
#12
Xiu-Miao Li, Dan Huang, Qing Yu, Jin Yao, Jian Yang
Intensified oxidative stress can cause severe damage to human retinal pigment epithelium (RPE) cells and retinal ganglion cells (RGCs). The potential effect of neuroligin-3 (NLGN3) against the process is studied here. Our results show that NLGN3 efficiently inhibited hydrogen peroxide (H2 O2 )-induced death and apoptosis in human RPE cells and RGCs. H2 O2 -induced reactive oxygen species (ROS) production, lipid peroxidation and DNA damage in retinal cells were alleviated by NLGN3. NLGN3 activated nuclear-factor-E2-related factor 2 (Nrf2) signaling, enabling Nrf2 protein stabilization, nuclear translocation and expression of key anti-oxidant enzymes (HO1, NOQ1 and GCLC) in RPE cells and RGCs...
May 21, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29792846/adenosine-receptor-distribution-in-rhesus-monkey-ocular-tissue
#13
Krista M Beach, Li-Fang Hung, Baskar Arumugam, Earl L Smith, Lisa A Ostrin
Adenosine receptor (ADOR) antagonists, such as 7-methylxanthine (7-MX), have been shown to slow myopia progression in humans and animal models. Adenosine receptors are found throughout the body, and regulate the release of neurotransmitters such as dopamine and glutamate. However, the role of adenosine in eye growth is unclear. Evidence suggests that 7-MX increases scleral collagen fibril diameter, hence preventing axial elongation. This study used immunohistochemistry (IHC) and reverse-transcription quantitative polymerase chain reaction (RT-qPCR) to examine the distribution of the four ADORs in the normal monkey eye to help elucidate potential mechanisms of action...
May 21, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29792552/immobilization-rapidly-induces-thioredoxin-interacting-protein-txnip-gene-expression-together-with-insulin-resistance-in-rat-skeletal-muscle
#14
Emi Kawamoto, Keigo Tamakoshi, Song-Gyu Ra, Hiroyuki Masuda, Kentaro Kawanaka
Acute short-duration of disuse induces the development of insulin resistance for glucose uptake in rodent skeletal muscle. Since thioredoxin-interacting protein (TXNIP) has been implicated in the downregulation of insulin signaling and glucose uptake, we examined the possibility that muscle disuse rapidly induces insulin resistance via increased TXNIP mRNA and protein expression. Male Wistar rats were subjected to unilateral 6-hr hindlimb immobilization by plaster cast. At the end of this period, the soleus muscles from both immobilized and contralateral non-immobilized hindlimbs were excised and examined...
May 24, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29792386/disparate-effects-of-shb-gene-deficiency-on-disease-characteristics-in-murine-models-of-myeloid-b-cell-and-t-cell-leukemia
#15
Maria Jamalpour, Xiujuan Li, Karin Gustafsson, Jeffrey W Tyner, Michael Welsh
The Src homology-2 domain protein B is an adaptor protein operating downstream of tyrosine kinases. The Shb gene knockout has been found to accelerate p210 Breakpoint cluster region-cAbl oncogene 1 tyrosine kinase-induced leukemia. In human myeloid leukemia were tumors with high Src homology-2 domain protein B mRNA content, tumors were, however, associated with decreased latency and myeloid leukemia exhibiting immune cell characteristics. Thus, the aim of this study was to investigate the effects of Shb knockout on the development of leukemia in three additional models, that is, colony stimulating factor 3 receptor-T618I-induced neutrophilic leukemia, p190 Breakpoint cluster region-cAbl oncogene 1 tyrosine kinase-induced B-cell leukemia, and G12D-Kras-induced T-cell leukemia/thymic lymphoma...
April 2018: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29792195/histamine-activates-inflammatory-response-and-depresses-casein-synthesis-in-mammary-gland-of-dairy-cows-during-sara
#16
Guangjun Chang, Lailai Wang, Nana Ma, Wenwen Zhang, Huanmin Zhang, Hongyu Dai, Xiangzhen Shen
BACKGROUND: Mounting evidences observed that subacute ruminal acidosis (SARA) induced by high concentration (HC) diet increases the translocation of histamine from digestive tract into circulation causing a diverse of diseases in dairy cows. However, it is largely unknown how it does affect the function of mammary gland and milk quality. Hence, this study aims to observe the effects of histamine derived from the digestive tract on the inflammatory response and casein synthesis in the mammary glands during SARA...
May 23, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29792190/novel-insights-into-neuroinflammation-bacterial-lipopolysaccharide-tumor-necrosis-factor-%C3%AE-and-ureaplasma-species-differentially-modulate-atypical-chemokine-receptor-3-responses-in-human-brain-microvascular-endothelial-cells
#17
Christine Silwedel, Christian P Speer, Axel Haarmann, Markus Fehrholz, Heike Claus, Mathias Buttmann, Kirsten Glaser
BACKGROUND: Atypical chemokine receptor 3 (ACKR3, synonym CXCR7) is increasingly considered relevant in neuroinflammatory conditions, in which its upregulation contributes to compromised endothelial barrier function and may ultimately allow inflammatory brain injury. While an impact of ACKR3 has been recognized in several neurological autoimmune diseases, neuroinflammation may also result from infectious agents, including Ureaplasma species (spp.). Although commonly regarded as commensals of the adult urogenital tract, Ureaplasma spp...
May 23, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29791872/gene-expression-in-cord-blood-links-genetic-risk-for-neurodevelopmental-disorders-with-maternal-psychological-distress-and-adverse-childhood-outcomes
#18
Michael S Breen, Aliza P Wingo, Nastassja Koen, Kirsten A Donald, Mark Nicol, Heather J Zar, Kerry J Ressler, Joseph D Buxbaum, Dan J Stein
Prenatal exposure to maternal stress and depression has been identified as a risk factor for adverse behavioral and neurodevelopmental outcomes in early childhood. However, the molecular mechanisms through which maternal psychopathology shapes offspring development remain poorly understood. We applied transcriptome-wide screens to 149 umbilical cord blood samples from neonates born to mothers with posttraumatic stress disorder (PTSD; n=20), depression (n=31) and PTSD with comorbid depression (n=13), compared to carefully matched trauma exposed controls (n=23) and healthy mothers (n=62)...
May 20, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29791868/ontogeny-of-white-matter-toll-like-receptor-expression-and-motor-skills-in-the-neonatal-ferret
#19
Jessica M Snyder, Thomas R Wood, Kylie Corry, Daniel H Moralejo, Pratik Parikh, Sandra E Juul
Inflammation caused by perinatal infection, superimposed with hypoxia and/or hyperoxia, appears to be important in the pathogenesis of preterm neonatal encephalopathy, with white matter particularly vulnerable during the third trimester. The associated inflammatory response is at least partly mediated through Toll-like receptor (TLR)-dependent mechanisms. Immunohistochemistry, gene expression, and behavioral studies were used to characterize white matter development and determine TLR3 and TLR4 expression and accumulation in the neonatal ferret brain...
May 20, 2018: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/29791858/a-multi-layered-quantitative-in-vivo-expression-atlas-of-the-podocyte-unravels-kidney-disease-candidate-genes
#20
Markus M Rinschen, Markus Gödel, Florian Grahammer, Stefan Zschiedrich, Martin Helmstädter, Oliver Kretz, Mostafa Zarei, Daniela A Braun, Sebastian Dittrich, Caroline Pahmeyer, Patricia Schroder, Carolin Teetzen, HeonYung Gee, Ghaleb Daouk, Martin Pohl, Elisa Kuhn, Bernhard Schermer, Victoria Küttner, Melanie Boerries, Hauke Busch, Mario Schiffer, Carsten Bergmann, Marcus Krüger, Friedhelm Hildebrandt, Joern Dengjel, Thomas Benzing, Tobias B Huber
Damage to and loss of glomerular podocytes has been identified as the culprit lesion in progressive kidney diseases. Here, we combine mass spectrometry-based proteomics with mRNA sequencing, bioinformatics, and hypothesis-driven studies to provide a comprehensive and quantitative map of mammalian podocytes that identifies unanticipated signaling pathways. Comparison of the in vivo datasets with proteomics data from podocyte cell cultures showed a limited value of available cell culture models. Moreover, in vivo stable isotope labeling by amino acids uncovered surprisingly rapid synthesis of mitochondrial proteins under steady-state conditions that was perturbed under autophagy-deficient, disease-susceptible conditions...
May 22, 2018: Cell Reports
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