Clinical significance of pretreatment prognostic nutritional index and lymphocyte-to-monocyte ratio in patients with advanced p16-negative oropharyngeal cancer-a retrospective study.

abstract：:Local ancestry estimation infers the regional ancestral origin of chromosomal segments in admixed populations using reference populations and a variety of statistical models. Integrating local ancestry into complex trait genetics has the potential to increase detection of genetic associations and improve genetic predi...

journal_title：PeerJ

authors： Schubert R,Andaleon A,Wheeler HE

更新日期：2020-10-02 00:00:00

abstract：:In species that live in one-male groups, resident males monopolize access to a group of females and are assumed to have higher reproductive success than bachelors. We tested this assumption using genetic, demographic, and behavioral data from 8 groups of wild blue monkeys observed over 10 years to quantify reproductio...

journal_title：PeerJ

authors： Roberts SJ,Cords M

更新日期：2015-06-23 00:00:00

abstract：Background:Cities face rapid changes leading to increasing inequalities and emerging public health issues that require cost-effective interventions. The urban exposome concept refers to the continuous monitoring of urban environmental and health indicators using the city and smaller intra-city areas as measurement unit...

journal_title：PeerJ

authors： Andrianou XD,van der Lek C,Charisiadis P,Ioannou S,Fotopoulou KN,Papapanagiotou Z,Botsaris G,Beumer C,Makris KC

更新日期：2019-05-24 00:00:00

abstract：:Reservoirs possess gradients in conditions and resources along their long (deep-shallow) axis, but the response of littoral vertebrates (fish and turtles) to these gradients is poorly understood. We have quantified the littoral vertebrate communities throughout a small reservoir in Southeastern Ohio during July and Au...

journal_title：PeerJ

authors： Ruhl N,Soski JJ,Roosenburg WM

更新日期：2014-12-11 00:00:00

abstract：:Grafting is one of the most widely used methods for vegetative propagation, particularly for multiplying trees considered important, but there has been little research done on the effect of hybridization on grafts from the genus Pinus. Sometimes hybrids show the ability to reproduce and adapt efficiently to the enviro...

journal_title：PeerJ

authors： Pérez-Luna A,Wehenkel C,Prieto-Ruíz JÁ,López-Upton J,Hernández-Díaz JC

更新日期：2020-02-07 00:00:00

abstract：:Structural variants (SVs) are an important class of genetic variation implicated in a wide array of genetic diseases including cancer. Despite the advances in whole genome sequencing, comprehensive and accurate detection of SVs in short-read data still poses some practical and computational challenges. We present sv-c...

journal_title：PeerJ

authors： Kuzniar A,Maassen J,Verhoeven S,Santuari L,Shneider C,Kloosterman WP,de Ridder J

更新日期：2020-01-06 00:00:00

abstract：:Deposits spanning the Radotruncana calcarata Taxon Range Zone at the Postalm section, Northern Calcareous Alps (Austria) are examined quantitatively for foraminiferal assemblages, especially the planktonic group. This study focuses on establishing a high resolution record spanning an 800 ka long stratigraphic interval...

journal_title：PeerJ

authors： Wolfgring E,Wagreich M

更新日期：2016-03-08 00:00:00

abstract：:Substantial evidence has shown that most exogenous substances are metabolized by multiple cytochrome P450 (P450) enzymes instead of by merely one P450 isoform. Thus, multi-P450 inhibition leads to greater drug-drug interaction risk than specific P450 inhibition. Herein, we innovatively established an artificial neural...

journal_title：PeerJ

authors： Li Z,Li Y,Sun L,Tang Y,Liu L,Zhu W

更新日期：2015-12-21 00:00:00

abstract：BACKGROUND:Motion sickness may be caused by a sensory conflict between the visual and the vestibular systems. Scopolamine, known to be the most effective therapy to control the vegetative symptoms of motion sickness, acts on the vestibular nucleus and potentially the vestibulospinal pathway, which may affect balance an...

journal_title：PeerJ

authors： Bestaven E,Kambrun C,Guehl D,Cazalets JR,Guillaud E

更新日期：2016-05-05 00:00:00

abstract：Background:Self-efficacy and enjoyment are two main constructs proposed within many motivational theories in any human endeavor, sport and physical activity included. Methods:The purpose of this study was to examine the factor structure of two pictorial scales measuring self-efficacy and enjoyment levels in a sample o...

journal_title：PeerJ

authors： Morano M,Bortoli L,Ruiz MC,Vitali F,Robazza C

更新日期：2019-07-29 00:00:00

abstract：INTRODUCTION:Early detection of social anxiety and loneliness might be useful to prevent substantial impairment in personal relationships. Understanding the way people use smartphones can be beneficial for implementing an early detection of social anxiety and loneliness. This paper examines different types of smartphon...

journal_title：PeerJ

authors： Gao Y,Li A,Zhu T,Liu X,Liu X

更新日期：2016-07-12 00:00:00

abstract：:The stings of bees, wasps, and ants are something that catches the attention of anyone that experiences them. While many recent studies have focused on the pain inflicted by the stings of various stinging wasps, bees, or ants (Hymenoptera: Aculeata), little is known about how the length of the sting itself varies betw...

journal_title：PeerJ

authors： Sadler EA,Pitts JP,Wilson JS

更新日期：2018-05-02 00:00:00

abstract：:Cytokines are fundamental for a functioning immune system, and thus potentially serve as important indicators of animal health. Quantitation of mRNA using quantitative reverse transcription polymerase chain reaction (qRT-PCR) is an established immunological technique. It is particularly suitable for detecting the expr...

journal_title：PeerJ

authors： Tsai MA,Chen IH,Wang JH,Chou SJ,Li TH,Leu MY,Ho HK,Yang WC

更新日期：2017-09-27 00:00:00

abstract：:We used qingbo (Spinibarbus sinensis) and Chinese crucian carp (Carassius auratus) to test whether numerical discrimination could be improved by the coexistence and possible cooperation of conspecies or heterospecies. We conducted a spontaneous shoal choice test of singletons, conspecific dyads and heterospecific dyad...

journal_title：PeerJ

authors： Xiong W,Yi LC,Tang ZH,Fu SJ

更新日期：2019-03-11 00:00:00

abstract：:A large body of evidence suggests that female Old World monkeys maintain selective long-term grooming interactions with fitness benefits. The last two decades have produced evidence that the regulation of social interactions among primates can be, in part, explained by the Biological Markets theory, with grooming beha...

journal_title：PeerJ

authors： Pereira AS,Rebelo ID,Casanova C,Lee PC,Louca V

更新日期：2019-01-25 00:00:00

abstract：Background:Pandi's mushroom-tongue salamander (Bolitoglossa pandi) is one of the threatened amphibians in South America, as well as a flagship species for the Colombian conservation agenda. This species is endemic to the Andean cloud forests of the western slope of the Cordillera Oriental of Colombia, occurring only in...

journal_title：PeerJ

authors： Angarita-Sierra T,Bonilla-Gómez MA,Sánchez DA,Acosta-Galvis AR,Medina-Ovalle H,Solano-Moreno A,Ulloa-Rengifo S,Guevara-Guevara D,Torres-Ramirez JJ,Curaca-Fierro S,Cabrera-Amaya DM,Infante-Betancour JA,Londoño-Montaño LF,Albarán

更新日期：2020-09-24 00:00:00

abstract：:The use of baited remote underwater video (BRUV) for examining and monitoring marine biodiversity in temperate marine environments is rapidly growing, however many aspects of their effectiveness relies on assumptions based on studies from the Southern Hemisphere. The addition of bait to underwater camera systems acts ...

journal_title：PeerJ

authors： Jones RE,Griffin RA,Januchowski-Hartley SR,Unsworth RKF

更新日期：2020-08-27 00:00:00

abstract：:Although C-type cytoplasmic male sterility (CMS-C) is one of the most attractive tools for maize hybrid seed production, the detailed regulation network of the male sterility remains unclear. In order to identify the CMS-C sterility associated genes and/or pathways, the comparison of the transcriptomes between the CMS...

journal_title：PeerJ

authors： Li C,Zhao Z,Liu Y,Liang B,Guan S,Lan H,Wang J,Lu Y,Cao M

更新日期：2017-05-30 00:00:00

abstract：:Species distribution models (SDMs) have become an essential tool in ecology, biogeography, evolution and, more recently, in conservation biology. How to generalize species distributions in large undersampled areas, especially with few samples, is a fundamental issue of SDMs. In order to explore this issue, we used the...

journal_title：PeerJ

authors： Mi C,Huettmann F,Guo Y,Han X,Wen L

更新日期：2017-01-12 00:00:00

abstract：:The purpose of this study was to investigate the benefits of exercises with different cognitive demands for cognitive functions (Executive and non-Executive) in healthy older adults. A cross-sectional design was adopted. In total, 84 healthy older adults were enrolled in the study. They were categorized into the Tai C...

journal_title：PeerJ

authors： Ji Z,Li A,Feng T,Liu X,You Y,Meng F,Wang R,Lu J,Zhang C

更新日期：2017-10-20 00:00:00

abstract：:Flies use specialized photoreceptors R7 and R8 in the dorsal rim area (DRA) to detect skylight polarization. R7 and R8 form a tiered waveguide (central rhabdomere pair, CRP) with R7 on top, filtering light delivered to R8. We examine how the division of a given resource, CRP length, between R7 and R8 affects their abi...

journal_title：PeerJ

authors： Heras FJ,Laughlin SB

更新日期：2017-01-12 00:00:00

abstract：:Pathogens invading the mammary gland are recognized through a range of pattern recognition receptors (PRRs), residing on the plasma membrane of mammary epithelial cells. Toll-like receptor 2 (TLR2) signalling is responsible for recognition of Gram-positive bacteria, which are the most common mastitis-causing pathogens...

journal_title：PeerJ

authors： Ogorevc J,Simčič M,Zorc M,Škrjanc M,Dovč P

更新日期：2019-07-31 00:00:00

abstract：:Freshwater food webs are dominated by aquatic invertebrates whose trophic relationships are often poorly known. Here, I used laboratory experiments to study the role of a water bug, Sigara striata, as a potential predator and prey in food webs of stagnant waters. Multiple-choice predation experiment revealed that Siga...

journal_title：PeerJ

authors： Klecka J

更新日期：2014-05-22 00:00:00

abstract：:We revise the taxonomy of the myrmicine ants of the Monomorium monomorium species-group for the Arabian Peninsula. Six species are recognized: Monomorium aeyade Collingwood & Agosti, 1996, M. clavicorne André, 1881, M. exiguum Forel, 1894, M. holothir Bolton, 1987, M. mohammedi sp. n., and M. sarawatense Sharaf & Alda...

journal_title：PeerJ

authors： Sharaf M,Al Dhafer HM,Aldawood AS,Hita Garcia F

更新日期：2018-02-01 00:00:00

abstract：:Finite Element Analysis (FEA) is a useful method for understanding form and function. However, modelling of fossil taxa invariably involves assumptions as a result of preservation-induced loss of information in the fossil record. To test the validity of predictions from FEA, given such assumptions, these results could...

journal_title：PeerJ

authors： Konietzko-Meier D,Gruntmejer K,Marcé-Nogué J,Bodzioch A,Fortuny J

更新日期：2018-02-26 00:00:00

abstract：:Loss of biodiversity caused by impact of elephants (Loxodonta africana) on African woodlands may require a management response, but any action should be based on an understanding of why elephants choose to utilise trees destructively. Comprehension of elephant feeding behaviour requires consideration of the relative v...

journal_title：PeerJ

authors： Clegg BW,O'Connor TG

更新日期：2017-06-20 00:00:00

abstract：Background:Trace elements are essential for the growth and survival of plants, and their concentrations and distributions in plants are effective reflections of ecological adaptation strategies. However, this aspect has seldom been addressed. Method:Changes in the leaf and branch trace elements of Pinus massoniana Lam...

journal_title：PeerJ

authors： Lin T,Zheng X,Zheng H

更新日期：2020-09-16 00:00:00

abstract：:Trees in the Morus genera belong to the Moraceae family. To better understand the species status of genus Morus and to provide information for studies on evolutionary biology within the genus, the complete chloroplast (cp) genomes of M. cathayana and M. multicaulis were sequenced. The plastomes of the two species are ...

journal_title：PeerJ

authors： Kong WQ,Yang JH

更新日期：2017-03-08 00:00:00

abstract：:The role of glial cells in pain modulation has recently gathered attention. The objective of this study was to determine healthy spinal microglia and astrocyte morphology and disposition in equine spinal cord dorsal horns using Iba-1 and GFAP/Cx-43 immunofluorescence labeling, respectively. Five adult horses without v...

journal_title：PeerJ

authors： Meneses CS,Müller HY,Herzberg DE,Uberti B,Bustamante HA,Werner MP

更新日期：2017-10-27 00:00:00

abstract：Background:Lysyl oxidases (LOX) have been extensively studied in mammals, whereas properties and functions of recently found homologues in prokaryotic genomes remain enigmatic. Methods:LOX open reading frame was cloned from Haloterrigena turkmenica in an E. coli expression vector. Recombinant Haloterrigena turkmenica ...

journal_title：PeerJ

authors： Pestov NB,Kalinovsky DV,Larionova TD,Zakirova AZ,Modyanov NN,Okkelman IA,Korneenko TV

更新日期：2019-04-05 00:00:00