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https://www.readbyqxmd.com/read/28432565/parapharyngodon-hugoi-n-sp-a-new-nematode-oxyuroidea-pharyngodonidae-of-the-tree-frog-trachycephalus-typhonius-linnaeus-from-the-brazilian-pantanal-including-a-key-to-the-congeners-from-amphibians-of-the-american-continent
#1
Felipe B Pereira, Karla M Campião, José L Luque, Luiz E R Tavares
A new nematode Parapharyngodon hugoi n. sp. (Oxyuroidea: Pharyngodonidae) is described parasitising the large intestine of the tree frog Trachycephalus typhonius (Linnaeus) (Anura: Hylidae) from the wetlands of Pantanal, State of Mato Grosso do Sul, Brazil. The new species exhibits a unique structure of the posterior cloacal lip in males, which is supported by a rigid V-shaped structure. Parapharyngodon hylidae parasitic in hylid frogs, including T. typhonius, from Mexico, is the most similar congener to P...
April 21, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28431568/a-case-report-of-severe-calciphylaxis-suggested-approach-for-diagnosis-and-treatment
#2
Margret Patecki, Gabriele Lehmann, Jan Hinrich Bräsen, Jessica Schmitz, Anna Bertram, Lars Daniel Berthold, Hermann Haller, Wilfried Gwinner
BACKGROUND: Calciphylaxis is a serious complication in patients with chronic kidney disease associated mineral and bone disorder. It can occur in conditions with low and high bone turnover. So far, there are no definite diagnostic and therapeutic guidelines which may prevent the devastating outcome in many calciphylaxis patients. We report a case which clearly illustrates that knowledge of the underlying bone disorder is essential for a directed treatment. Based on this experience we discuss a systematic diagnostic and therapeutic approach in patients with calciphylaxis...
April 21, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28427155/update-of-igf-1-receptor-inhibitor-ganitumab-dalotuzumab-cixutumumab-teprotumumab-and-figitumumab-effects-on-cancer-therapy
#3
REVIEW
Xiao Qu, Zhinan Wu, Wei Dong, Tiehong Zhang, Liguang Wang, Zhaofei Pang, Wei Ma, Jiajun Du
BACKGROUND: Prognostic studies of insulin-like growth factor-1 receptor(IGF-1R) inhibitors in cancer therapy had promising results in infratests, which exhibited that IGF-1R signalling was crucial in cancer cells growth. However, the conclusion of later clinical trials revealed a dim future for IGF-1R inhibitors to treat cancer. We conducted this analysis to figure out how IGF-1R inhibitors acted in clinical cancer therapy. MATERIAL AND METHODS: We searched up-to-date studies about the single agent of IGF-1R inhibitors or combination with other therapies in solid tumor...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424723/evidence-mechanism-and-alternative-chemical-seedbank-level-control-of-glyphosate-resistance-of-a-rigid-ryegrass-lolium-rigidum-biotype-from-southern-spain
#4
Pablo T Fernández-Moreno, Fernando Bastida, Rafael De Prado
Rigid ryegrass (Lolium rigidum) is one of the most troublesome weeds in different crops in the Mediterranean region. A rigid ryegrass biotype from an olive grove in Jaén province (Andalusía, southern Spain), potentially resistant to glyphosate (RG), was tested for its resistance level through dose-response assays using a susceptible biotype (SG). To test the hypothesis of a non-target-site-based resistance, as point mutations are far less common mechanisms of glyphosate resistance, studies were also conducted to elucidate whether resistance was associated with biochemical, metabolism, molecular and/or physiological mechanisms...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28421301/multiple-sclerosis-and-amyotrophic-lateral-sclerosis-a-human-leukocyte-antigen-challenge
#5
Vincenzo Dattola, Fausto Famà, Margherita Russo, Rocco Salvatore Calabrò, Anna Lisa Logiudice, Maria Grazia Grasso, Francesco Patti, Maria Buccafusca
Multiple sclerosis (MS) and amyotrophic lateral sclerosis (ALS) are two different central nervous system pathology that, according to the most accredited hypotheses, recognize a different etiopathogenesis. The simultaneous occurrence of MS and ALS is quite unusual. To our knowledge, only three cases have been so far described by clinical, laboratory, and post-mortem studies. We report four new cases of this peculiar combination that have been observed and are herein described, included their human leukocyte antigen (HLA) profile studies...
April 18, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28420513/euchromatic-variants-of-8q21-2-in-twins
#6
Xiao-Hui Song, Hui-Kuo Hsu, Mei-Tsz Su, Tai-Sheng Chang, Piing Yuh Su, Ming Chen, Pao-Lin Kuo
OBJECTIVE: Euchromatic variants (EVs) of 8q21.2 are extremely rare chromosomal abnormalities. So, far there have only been two reports on EVs of 8q21.2. Here, we report an 8q21.2 EV detected in cultured amniotic-fluid cells of twins. It was later found to be inherited from the mother, who did not present with abnormal phenotypes. CASE REPORT: A pregnant woman underwent amniocentesis at 16 weeks of gestation because of advanced maternal age. This pregnancy was monozygotic twins conceived naturally...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28420438/distance-traveled-for-medicaid-covered-abortion-care-in-california
#7
Nicole E Johns, Diana Greene Foster, Ushma D Upadhyay
BACKGROUND: Access to abortion care in the United States is limited by the availability of abortion providers and their geographic distribution. We aimed to assess how far women travel for Medicaid-funded abortion in California and identify disparities in access to abortion care. METHODS: We obtained data on all abortions reimbursed by the fee-for-service California state Medicaid program (Medi-Cal) in 2011 and 2012 and examined distance traveled to obtain abortion care by several demographic and abortion-related factors...
April 19, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28420275/beta-hebbian-learning-as-a-new-method-for-exploratory-projection-pursuit
#8
Héctor Quintián, Emilio Corchado
In this research, a novel family of learning rules called Beta Hebbian Learning (BHL) is thoroughly investigated to extract information from high-dimensional datasets by projecting the data onto low-dimensional (typically two dimensional) subspaces, improving the existing exploratory methods by providing a clear representation of data's internal structure. BHL applies a family of learning rules derived from the Probability Density Function (PDF) of the residual based on the beta distribution. This family of rules may be called Hebbian in that all use a simple multiplication of the output of the neural network with some function of the residuals after feedback...
March 16, 2017: International Journal of Neural Systems
https://www.readbyqxmd.com/read/28415331/transition-radiation-at-the-boundary-of-a-chiral-isotropic-medium
#9
Sergey N Galyamin, Andrey V Tyukhtin, Anton A Peshkov
This study analyzes the radiation produced by a point charge intersecting the interface between a vacuum and a chiral isotropic medium. We deduce analytical expressions for the Fourier components of an electromagnetic field in both vacuum and medium for arbitrary charge velocity. The main focus is on investigating the far field in a vacuum. The distinguishing feature of the interface with a chiral isotropic medium is that the field in the vacuum area contains both copolarization (coinciding with the polarization of the self-field of a charge) and cross-polarization (orthogonal to the polarization of the self-field)...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28414470/association-between-lateral-bias-and-personality-traits-in-the-domestic-dog-canis-familiaris
#10
Shanis Barnard, Deborah L Wells, Peter G Hepper, Adam D S Milligan
Behavioral laterality reflects the cerebral functional asymmetry. Measures of laterality have been associated with emotional stress, problem-solving, and personality in some vertebrate species. Thus far, the association between laterality and personality in the domestic dog has been largely overlooked. In this study, we investigated whether lateralized (left or right) and ambilateral dogs differed in their behavioral response to a standardized personality test. The dog's preferred paw to hold a Kong ball filled with food and the first paw used to step-off from a standing position were scored as laterality measures...
April 17, 2017: Journal of Comparative Psychology
https://www.readbyqxmd.com/read/28408977/mitogenomes-of-giant-skipper-butterflies-reveal-an-ancient-split-between-deep-and-shallow-root-feeders
#11
Jing Zhang, Qian Cong, Xiao-Ling Fan, Rongjiang Wang, Min Wang, Nick V Grishin
Background: Giant-Skipper butterflies from the genus Megathymus are North American endemics. These large and thick-bodied Skippers resemble moths and are unique in their life cycles. Grub-like at the later stages of development, caterpillars of these species feed and live inside yucca roots. Adults do not feed and are mostly local, not straying far from the patches of yucca plants. Methods: Pieces of muscle were dissected from the thorax of specimens and genomic DNA was extracted (also from the abdomen of a specimen collected nearly 60 years ago)...
2017: F1000Research
https://www.readbyqxmd.com/read/28407124/structure-and-biosynthesis-of-branched-wax-compounds-on-wild-type-and-wax-biosynthesis-mutants-of-arabidopsis-thaliana
#12
Lucas Busta, Reinhard Jetter
The cuticle is a waxy composite that protects the aerial organs of land plans from non-stomatal water loss. The chemical makeup of the cuticular wax mixture plays a central role in defining the water barrier, but structure-function relationships have not been established so far, in part due to gaps in our understanding of wax structures and biosynthesis. While wax compounds with saturated, linear hydrocarbon tails have been investigated in detail, very little is known about compounds with modified aliphatic tails, which comprise substantial portions of some plant wax mixtures...
April 12, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28405761/adaptive-responses-of-peripheral-lateral-line-nerve-fibres-to-sinusoidal-wave-stimuli
#13
Joachim Mogdans, Christina Müller, Maren Frings, Ferdinand Raap
Sensory adaptation is characterized by a reduction in the firing frequency of neurons to prolonged stimulation, also called spike frequency adaptation. This has been documented for sensory neurons of the visual, olfactory, electrosensory, and auditory system both in response to constant-amplitude and to sinusoidal stimuli, but has thus far not been described systematically for the lateral line system. We recorded neuronal activity from primary afferent nerve fibres in the lateral line in goldfish in response to sinusoidal wave stimuli...
April 12, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28402528/macrovascular-decompression-of-the-brainstem-and-cranial-nerves-evolution-of-an-anteromedial-vertebrobasilar-artery-transposition-technique
#14
Omar Choudhri, Ian D Connolly, Michael T Lawton
BACKGROUND: Tortuous and dolichoectatic vertebrobasilar arteries can impinge on the brainstem and cranial nerves to cause compression syndromes. Transposition techniques are often required to decompress the brainstem with dolichoectatic pathology. We describe our evolution of an anteromedial transposition technique and its efficacy in decompressing the brainstem and relieving symptoms. OBJECTIVE: To present the anteromedial vertebrobasilar artery transposition technique for macrovascular decompression of the brainstem and cranial nerves...
April 11, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28401474/tracking-effects-of-sil1-increase-taking-a-closer-look-beyond-the-consequences-of-elevated-expression-level
#15
Thomas Labisch, Stephan Buchkremer, Vietxuan Phan, Laxmikanth Kollipara, Christian Gatz, Chris Lentz, Kay Nolte, Jörg Vervoorts, José Andrés González Coraspe, Albert Sickmann, Stephanie Carr, René P Zahedi, Joachim Weis, Andreas Roos
SIL1 acts as a co-chaperone for the major ER-resident chaperone BiP and thus plays a role in many BiP-dependent cellular functions such as protein-folding control and unfolded protein response. Whereas the increase of BiP upon cellular stress conditions is a well-known phenomenon, elevation of SIL1 under stress conditions was thus far solely studied in yeast, and different studies indicated an adverse effect of SIL1 increase. This is seemingly in contrast with the beneficial effect of SIL1 increase in surviving neurons in neurodegenerative disorders such as amyotrophic lateral sclerosis and Alzheimer's disease...
April 11, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28400644/phacomatosis-cesioflammea-with-cutis-marmorata-like-lesions-and-unusual-extracutaneous-abnormalities-is-it-a-distinct-disorder
#16
Shyam B Verma, Hitesh K Desai, Vishal N Shah, Rudolf Happle
A 2-month-old boy was presented with widespread lateralized blue macules (nevus cesius), an extensive nevus flammeus, and large patches of cutis marmorata telangiectatica congenita. Moreover, he had macrocephaly, a coarse facial appearance with depressed nasal bridge, retinal abnormalities, septal defects of the heart, and obliteration of the left brachiocephalic vein and major veins of the left arm with pronounced collateralization. The multisystem disorder of this boy cannot be categorized within the present classification of distinct types of phacomatosis pigmentovascularis...
March 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28400004/effect-of-food-related-stress-conditions-and-loss-of-agr-and-sigb-on-seb-promoter-activity-in-s-%C3%A2-aureus
#17
Henna-Maria Sihto, Roger Stephan, Christoph Engl, John Chen, Sophia Johler
Staphylococcal enterotoxin B (SEB) causes staphylococcal food poisoning and is produced in up to ten times higher quantities than other major enterotoxins. While Staphylococcus aureus growth is often repressed by competing flora, the organism exhibits a decisive growth advantage under some stress conditions. So far, data on the influence of food-related stressors and regulatory mutations on seb expression is limited and largely based on laboratory strains, which were later reported to harbor mutations. Therefore, the aim of this study was to investigate the influence of stress and regulatory mutations on seb promoter activity...
August 2017: Food Microbiology
https://www.readbyqxmd.com/read/28399882/liver-necrosis-shortly-after-pancreaticoduodenectomy-with-resection-of-the-replaced-left-hepatic-artery
#18
Michihiro Yamamoto, Masazumi Zaima, Hidekazu Yamamoto, Hideki Harada, Junichiro Kawamura, Masahiro Yamada, Tekefumi Yazawa, Junya Kawasoe
BACKGROUND: Surgeons, in general, underestimate the replaced left hepatic artery (rLHA) that arises from the left gastric artery (LGA), compared with the replaced right hepatic artery (rRHA), especially in standard gastric cancer surgery. During pancreaticoduodenectomy (PD), preservation of the rRHA arising from the superior mesenteric artery (SMA) is widely accepted to prevent critical postoperative complications, such as liver necrosis, bile duct ischemia, and biliary anastomotic leakage...
April 11, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28399832/propagule-pressure-increase-and-phylogenetic-diversity-decrease-community-s-susceptibility-to-invasion
#19
T Ketola, K Saarinen, L Lindström
BACKGROUND: Invasions pose a large threat to native species, but the question of why some species are more invasive, and some communities more prone to invasions than others, is far from solved. Using 10 different three-species bacterial communities, we tested experimentally if the phylogenetic relationships between an invader and a resident community and the propagule pressure affect invasion probability. RESULTS: We found that greater diversity in phylogenetic distances between the members of resident community and the invader lowered invasion success, and higher propagule pressure increased invasion success whereas phylogenetic distance had no clear effect...
April 11, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28398996/lessons-learned-from-option-b-in-the-evolution-toward-test-and-start-from-malawi-cameroon-and-the-united-republic-of-tanzania
#20
Thokozani Kalua, Beth A Tippett Barr, Joep J van Oosterhout, Dorothy Mbori-Ngacha, Erik J Schouten, Sundeep Gupta, Amakobe Sande, Gerald Zomba, Hannock Tweya, Edgar Lungu, Deborah Kajoka, Pius Tih, Andreas Jahn
The acceleration of prevention of mother-to-child transmission (PMTCT) activities, coupled with the rollout of 2010 World Health Organization (WHO) guidelines, led to important discussions and innovations at global and country levels. One paradigm-shifting innovation was Option B+ in Malawi. It was later included in WHO guidelines and eventually adopted by all 22 Global Plan priority countries. This article presents Malawi's experience with designing and implementing Option B+ and provides complementary narratives from Cameroon and Tanzania...
May 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
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