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https://www.readbyqxmd.com/read/28815424/hexamermis-popilliae-n-sp-nematoda-mermithidae-parasitizing-the-japanese-beetle-popillia-japonica-newman-coleoptera-scarabaeidae-in-italy
#1
Giuseppe Mazza, Francesco Paoli, Agostino Strangi, Giulia Torrini, Leonardo Marianelli, Giuseppino Sabbatini Peverieri, Francesco Binazzi, Giovanni Bosio, Stefano Sacchi, Claudia Benvenuti, Davide Venanzio, Emanuela Giacometto, Pio F Roversi, George O Poinar
A new species of mermithid nematode, Hexamermis popilliae n. sp. (Nematoda: Mermithidae) is described from the Japanese beetle Popillia japonica Newman in Italy, an area of new introduction for this invasive pest. The combination of the following characters separates H. popilliae from other members of the genus Hexamermis Steiner, 1924: adult head obtuse; amphidial pouches slightly posterior to lateral head papillae in female but adjacent to lateral head papillae in males; amphidial openings large, well developed; amphidial pouches elliptical in females and oblong in males; cuticular vulvar cone well developed, vulvar lips greatly reduced or lacking, vagina curved at tip where meeting uteri, without reverse bend (not S-shaped), spicules slightly curved, with a slight bend in the basal portion, approximately equal to body width at cloaca...
August 16, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28814533/dietary-selenium-deficiency-or-excess-reduces-sperm-quality-and-testicular-mrna-abundance-of-nuclear-glutathione-peroxidase-4-in-rats
#2
Ji-Chang Zhou, Shijie Zheng, Junluan Mo, Xiongshun Liang, Yuanfei Xu, Huimin Zhang, Chunmei Gong, Xiao-Li Liu, Xin Gen Lei
Background: Glutathione peroxidase (GPX) 4 and selenoprotein P (SELENOP) are abundant, and several variants are expressed in the testis.Objective: We determined the effects of dietary selenium deficiency or excess on sperm quality and expressions of GPX4 and SELENOP variants in rat testis and liver.Methods: After weaning, male Sprague-Dawley rats were fed a Se-deficient basal diet (BD) for 5 wk until they were 9 wk old [mean ± SEM body weight (BW) = 256 ± 5 g]. They were then fed the BD diet alone (deficient) or with 0...
August 16, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28811697/role-of-iron-and-copper-in-the-pathogenesis-of-parkinson-s-disease
#3
Mohit Kumar Gangania, Jyoti Batra, Suman Kushwaha, Rachna Agarwal
Parkinson's disease (PD) is an old age disorder of basal ganglia which involves oligomerization of α-synuclein protein and formation of intercellular inclusions known as "Lewy bodies" in substantia nigra and caudate nuclei in brain which is progressive in nature. It is second most prevalent neurodegenerative disorder characterized by tremor at rest, muscle rigidity, slowness of movement (bradykinesia, akinesia), and changes in posture (instability). Both excess and deficiency in levels of transition metals (especially iron, copper) can be detrimental to the central nervous system...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28808307/lc3a-silencing-hinders-aggresome-vimentin-cage-clearance-in-primary-choroid-plexus-carcinoma
#4
Marwa Nassar, Heba Samaha, Myret Ghabriel, Maha Yehia, Hala Taha, Sherin Salem, Khaled Shaaban, Mariam Omar, Nabil Ahmed, Shahenda El-Naggar
Aggresomes are transient microtubule-dependent inclusion bodies that sequester misfolded proteins and are ultimately removed by autophagy. Here we report the generation of a choroid plexus carcinoma cell line; Children's Cancer Hospital Egypt (CCHE)-45, which is characterized by the constitutive formation of aggresomes. When examining the autophagy pathway as the main route for aggresomes clearance, CCHE-45 cells displayed increased autophagy flux mediated by MAP1LC3B. MAP1LC3A-Variant1 gene expression was silenced by promoter methylation...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28803021/effect-of-dietary-supplementation-with-heat-treated-canola-meal-on-ruminal-nutrient-metabolism-in-lactating-dairy-cows
#5
S J Krizsan, H Gidlund, F Fatehi, P Huhtanen
An experiment was conducted to quantify the effects of incremental levels of heat-moisture-treated canola meal (TCM) fed to dairy cows on the relationship between ruminal nutrient digestion and milk production. Experimental diets were fed to 4 multiparous rumen-cannulated Nordic Red cows, averaging (mean ± standard deviation) 681 ± 54.8 kg of body weight, 111 ± 16 d in milk, and 29.1 ± 9.1 kg of milk/d at the start of the study, in a Latin square design with four 21-d periods. The 4 experimental dietary treatments consisted of a basal diet of grass silage and crimped barley, and 3 diets in which the crimped barley was replaced with TCM, giving 3 incremental levels of protein supplementation...
August 9, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28800172/viscous-drag-on-the-flagellum-activates-bacillus-subtilis-entry-into-the-k-state
#6
Christine Diethmaier, Ravi Chawla, Alexandra Canzoneri, Daniel B Kearns, Pushkar P Lele, David Dubnau
Bacillus subtilis flagella are not only required for locomotion but also act as sensors that monitor environmental changes. Although how the signal transmission takes place is poorly understood, it has been shown that flagella play an important role in surface sensing by transmitting a mechanical signal to control the DegS-DegU two-component system. Here we report a role for flagella in the regulation of the K-state, which enables transformability and antibiotic tolerance (persistence). Mutations impairing flagellar synthesis are inferred to increase DegU-P, which inhibits the expression of ComK, the master regulator for the K-state, and reduces transformability...
August 11, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28799704/the-nature-consequences-and-management-of-neurological-disorders-in-chronic-kidney-disease
#7
REVIEW
Bahman Jabbari, Nosratola D Vaziri
Perhaps no other organ in the body is affected as often and in as many ways as the brain is in patients with chronic kidney disease (CKD). Several factors contribute to the neurological disorders in CKD including accumulation of uremic toxins, metabolic and hemodynamic disorders, oxidative stress, inflammation, and impaired blood brain barrier among others. The neurological disorders in CKD involve both peripheral and central nervous system. The peripheral neurological symptoms of CKD are due to somatic and cranial peripheral neuropathies as well as a myopathy...
August 11, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28796092/oral-administration-of-clinical-stage-drug-candidate-sens-401-effectively-reduces-cisplatin-induced-hearing-loss-in-rats
#8
Mathieu Petremann, Christophe Tran Van Ba, Audrey Broussy, Charlotte Romanet, Jonas Dyhrfjeld-Johnsen
HYPOTHESIS: SENS-401, an oral clinical-stage drug, may reduce cisplatin-induced hearing loss and cochlear damage in an in vivo model. BACKGROUND: Cisplatin is commonly associated with hearing loss, causing significant learning and behavioral difficulties in the pediatric cancer population, and for which there are currently no clinical solutions. SENS-401 has previously been shown to improve acoustic trauma-induced hearing loss in vivo. METHODS: The effect of SENS-401 (R-azasetron besylate) on cisplatin IC50 values was evaluated in a panel of cisplatin-sensitive cell lines (NIH:OVCAR-3, SK-N-AS, NCI-H460, FaDu)...
August 8, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28795047/influence-of-the-insemination-method-on-the-outcomes-of-elective-blastocyst-culture
#9
Caizhu Wang, Guixue Feng, Bo Zhang, Jinhui Shu, Hong Zhou, Xianyou Gan, Ruoyun Lin
OBJECTIVE: The aim of this study was to explore the effects of the insemination method on the outcomes of elective blastocyst culture. METHODS: We retrospectively analyzed the outcomes of elective blastocyst culture performed between January 2011 and December 2014. RESULTS: There were 2,003 cycles of conventional in vitro fertilization (IVF) and 336 cycles of intracytoplasmic sperm injection (ICSI), including 25,652 and 4,164 embryos that underwent sequential blastocyst culture, respectively...
June 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28794893/effect-of-dietary-sugar-beet-pulp-supplementation-on-growth-performance-nutrient-digestibility-fecal-microflora-blood-profiles-and-diarrhea-incidence-in-weaning-pigs
#10
C L Yan, H S Kim, J S Hong, J H Lee, Y G Han, Y H Jin, S W Son, S H Ha, Y Y Kim
BACKGROUND: In 2006, the European Union (EU) has decided to forbid use of antibiotics as growth promoters. Although many researches had been conducted about fiber source as alternatives of antibiotics, there are still lack of reports in the literature about the optimum level of sugar beet pulp supplementation, affecting growth performance and nutrient digestibility in weaning pigs. Therefore, different level of sugar beet pulp was added to diets to determine the effects of sugar beet pulp supplementation on growth performance, nutrient digestibility, fecal microflora, blood profile and incidence of diarrhea in weaning pigs...
2017: Journal of Animal Science and Technology
https://www.readbyqxmd.com/read/28794446/impaired-endo-lysosomal-membrane-integrity-accelerates-the-seeding-progression-of-%C3%AE-synuclein-aggregates
#11
Peizhou Jiang, Ming Gan, Shu-Hui Yen, Pamela J McLean, Dennis W Dickson
In neurodegenerative diseases, seeding is a process initiated by the internalization of exogenous protein aggregates. Multiple pathways for internalization of aggregates have been proposed, including direct membrane penetration and endocytosis. To decipher the seeding mechanisms of alpha-synuclein (αS) aggregates in human cells, we visualized αS aggregation, endo-lysosome distribution, and endo-lysosome rupture in real-time. Our data suggest that exogenous αS can seed endogenous cytoplasmic αS by either directly penetrating the plasma membrane or via endocytosis-mediated endo-lysosome rupture, leading to formation of endo-lysosome-free or endo-lysosome-associated αS aggregates, respectively...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28794003/antenatal-early-postnatal-hypothyroidism-alters-arterial-tone-regulation-in-2-week-old-rats
#12
Svetlana I Sofronova, Dina K Gaynullina, Anastasia A Shvetsova, Anna A Borzykh, Ekaterina K Selivanova, Anna P Sharova, Andrey A Martyanov, Olga S Tarasova
The mechanisms of vascular alterations resulting from early thyroid hormones deficiency are poorly understood. We tested the hypothesis that antenatal/early postnatal hypothyroidism would alter the activity of endothelial NO-pathway and Rho-kinase pathway, which are specific for developing vasculature. Dams were treated with propylthiouracil (PTU, 7 ppm) in drinking water during gestation and 2 weeks after delivery, their progeny had normal body weight but markedly reduced blood levels of thyroid hormones (ELISA)...
August 9, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28792474/the-effects-of-selective-hematopoietic-expression-of-human-il-37-on-systemic-inflammation-and-atherosclerosis-in-ldlr-deficient-mice
#13
Geerte Hoeke, P Padmini S J Khedoe, Janna A van Diepen, Karin Pike-Overzet, Britt van de Ven, Nadia Vazirpanah, Isabel Mol, Pieter S Hiemstra, Frank J T Staal, Rinke Stienstra, Mihai G Netea, Charles A Dinarello, Patrick C N Rensen, Jimmy F P Berbée
The human cytokine interleukin (IL)-37 has potent anti-inflammatory capacities, and hematopoietic cell-specific transgenic overexpression of IL-37 in mice protects against septic shock and colitis. In the present study we investigated the effect of hematopoietic expression of IL-37 on atherosclerosis development under low-grade inflammatory conditions. Low-density lipoprotein receptor (LDLr)-deficient mice were lethally irradiated and transplanted with bone marrow from IL-37-transgenic or control wild-type mice and fed a Western-type diet (WTD; 1% cholesterol) for eight weeks...
August 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28780372/species-specific-effects-of-neuregulin-1%C3%AE-cimaglermin-alfa-on-glucose-handling-in-animal-models-and-humans-with-heart-failure
#14
Zhihong Huang, Douglas B Sawyer, Erika L Troy, Corissa McEwen, John H Cleator, Abigail Murphy, Anthony O Caggiano, Andrew Eisen, Tom J Parry
Neuregulin-1β is a member of the neuregulin family of growth factors and is critically important for normal development and functioning of the heart and brain. A recombinant version of neuregulin-1β, cimaglermin alfa (also known as glial growth factor 2 or GGF2) is being investigated as a possible therapy for heart failure. Previous studies suggest that neuregulin-1β stimulation of skeletal muscle increases glucose uptake and, specifically, sufficient doses of cimaglermin alfa acutely produce hypoglycemia in pigs...
August 2, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28776670/archosauriform-endocranial-morphology-and-osteological-evidence-for-semiaquatic-sensory-adaptations-in-phytosaurs
#15
Emily J Lessner, Michelle R Stocker
The examination of endocranial data of archosauriforms has led to advances on the evolution of body size, nerve pathways, and sensory abilities. However, much of that research has focused on bird-line archosaurs, resulting in a skewed view of Archosauria. Phytosauria, a hypothesized sister taxon to or early-branching member of Archosauria, provides a potential outgroup condition. Most previous phytosaur endocranial studies were executed without the use of modern technology and focused on derived members of Phytosauria...
August 4, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28776040/grf10-and-bas1-regulate-transcription-of-adenylate-and-one-carbon-biosynthesis-genes-and-affect-virulence-in-the-human-fungal-pathogen-candida-albicans
#16
Tanaporn Wangsanut, Anup K Ghosh, Peter G Metzger, William A Fonzi, Ronda J Rolfes
Candida albicans is an opportunistic human fungal pathogen that causes superficial fungal infections and lethal systemic infections. To colonize and establish infections, C. albicans coordinates the expression of virulence and metabolic genes. Previous work showed that the homeodomain transcription factor Grf10 is required for formation of hyphae, a virulence factor. Here we report global gene expression analysis of a grf10Δ strain using a DNA microarray and identify genes for de novo adenylate biosynthesis (ADE genes), one-carbon metabolism, and a nucleoside permease (NUP)...
July 2017: MSphere
https://www.readbyqxmd.com/read/28775150/bcap-is-a-centriolar-satellite-protein-and-inhibitor-of-ciliogenesis
#17
Paul de Saram, Anila Iqbal, Jennifer N Murdoch, Christopher J Wilkinson
The centrosome and cilium are organelles with important roles in microtubule organisation, cell division, cell signalling, embryogenesis, and tissue homeostasis. The two organelles are mutually exclusive. The centriole/basal body is found at the core of the centrosome (centriole) or at the base of the cilium (basal body) and changing which organelle is present in a cell requires modification to the centriole/basal body both in terms of composition and sub-cellular localisation. While many protein components required for centrosome and cilium biogenesis have been described, there are far fewer known inhibitors of ciliogenesis...
August 3, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28774754/altitudinal-variation-in-metabolic-parameters-of-a-small-afrotropical-bird
#18
Lindy J Thompson, Colleen T Downs
Of the numerous factors affecting avian metabolic rate, altitude is one of the least studied. We used mass-flow respirometry to measure resting metabolic rate (RMR), evaporative water loss (EWL) and respiratory exchange ratio (RER) in two populations of a small (10-12g) Afrotropical bird, the Cape White-eye (Zosterops virens), in summer and in winter. In total, 51 freshly wild-caught adult Cape White-eyes were measured overnight. Altitude was included as a source of variation in the best approximating models for body mass, whole-animal RMR, RER, whole-animal standard EWL and whole-animal basal EWL...
July 31, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28772105/transient-endothelial-dysfunction-induced-by-sugar-sweetened-beverage-consumption-may-be-attenuated-by-a-single-bout-of-aerobic-exercise
#19
Pia Varsamis, Guillaume Walther, Bianca Share, Frances Taylor, Simon Stewart, Christian Lorenzen, Jordan Loader
BACKGROUND: This study assessed whether aerobic exercise would attenuate microvascular endothelial dysfunction induced by commercial sugar-sweetened beverage (SSB) consumption. METHODS: Eleven healthy males participated in this randomized, single-blind crossover study. Cutaneous microvascular endothelial function was assessed using laser speckle contrast imaging coupled with post-occlusive reactive hyperemia before and after a) consumption of water; b) consumption of a commercial SSB; c) 30min of aerobic exercise followed by water consumption; and d) 30 minutes of aerobic exercise followed by SSB consumption...
July 31, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28771474/a-flagellum-specific-chaperone-facilitates-assembly-of-the-core-type-iii-export-apparatus-of-the-bacterial-flagellum
#20
Florian D Fabiani, Thibaud T Renault, Britta Peters, Tobias Dietsche, Eric J C Gálvez, Alina Guse, Karen Freier, Emmanuelle Charpentier, Till Strowig, Mirita Franz-Wachtel, Boris Macek, Samuel Wagner, Michael Hensel, Marc Erhardt
Many bacteria move using a complex, self-assembling nanomachine, the bacterial flagellum. Biosynthesis of the flagellum depends on a flagellar-specific type III secretion system (T3SS), a protein export machine homologous to the export machinery of the virulence-associated injectisome. Six cytoplasmic (FliH/I/J/G/M/N) and seven integral-membrane proteins (FlhA/B FliF/O/P/Q/R) form the flagellar basal body and are involved in the transport of flagellar building blocks across the inner membrane in a proton motive force-dependent manner...
August 2017: PLoS Biology
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