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https://www.readbyqxmd.com/read/28437732/weaving-through-a-cryptic-species-comparing-the-neotropical-ants-camponotus-senex-and-camponotus-textor-hymenoptera-formicidae
#1
Eduardo Gonçalves Paterson Fox, Daniel Russ Solis, Cristiano Lazoski, William Mackay
Camponotus senex (Fr. Smith 1858) and Camponotus textor Forel, 1899 are commonly confused species in the New World tropics. We provide morphological characteristics based on the larvae and adults, behavioural differences, together with evidence from molecular markers (cuticular hydrocarbon profiles, venom differences, nuclear ribosomal ITS-1, and mtDNA COI sequence comparisons) to separate the two species, demonstrating they are not immediately closely related. In conclusion we suggest new reliable morphological characters which can benefit from deeper phenetic analysis, and support the contextual usefulness of non-morphological tools in resolving sibling ant species...
April 3, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28435920/microscopy-assisted-interspinous-tubular-approach-for-lumbar-spinal-stenosis
#2
REVIEW
José-Antonio Soriano-Sánchez, Javier Quillo-Olvera, Sergio Soriano-Solis, Miroslava-Elizabeth Soriano-Lopez, Claudia-Angélica Covarrubias-Rosas, Javier Quillo-Reséndiz, Carlos-Francisco Gutiérrez-Partida, Manuel Rodríguez-García
Various minimally invasive techniques have been reported as an alternative to conventional lumbar decompression. The major advantage of these minimally invasive procedures lies in their reduction of unnecessary exposure and tissue trauma. Our objective was to describe a minimally invasive procedure for lumbar spinal stenosis decompression by enlarging the lumbar interspinous space, approaching it with a tubular retractor, and assisting with microscopy. Thoracolumbar fascia and paravertebral muscles are preserved throughout the whole procedure...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28435913/a-prospective-clinical-study-comparing-mi-tlif-with-unilateral-versus-bilateral-transpedicular-fixation-in-low-grade-lumbar-spondylolisthesis
#3
José-Antonio Soriano-Sánchez, Javier Quillo-Olvera, Sergio Soriano-Solis, Miroslava-Elizabeth Soriano-Lopez, Claudia-Angélica Covarrubias-Rosas, Javier Quillo-Reséndiz, Carlos-Francisco Gutiérrez-Partida, Manuel Rodríguez-García
BACKGROUND: Minimally invasive transforaminal lumbar interbody fusion (MI-TLIF) has become one of the standard techniques for approaching ipsilateral decompression, anterior column fusion, and posterior stabilization. This procedure is usually accompanied by the placement of bilateral transpedicular screws in the corresponding segment. The purpose of this study was to evaluate the clinical efficacy of unilateral screw fixation compared with bilateral fixation in patients diagnosed with low-grade symptomatic lumbar spondylolisthesis who underwent an MI-TLIF technique...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28433669/environmental-enrichment-reverses-memory-impairment-induced-by-toluene-in-mice
#4
Sergio Montes, Rocío Del Carmen Solís-Guillen, David García-Jácome, Nayeli Páez-Martínez
Toluene is the main component of a variety of inhalants that are used for intoxication purposes. Alterations in memory have been reported in inhalant users; however, it is unclear whether these impairments could be reversed, and the mechanisms involved in the putative recovery. Therefore, the main purpose of this study was to model the deleterious effects of toluene on memory in mice and to evaluate the effect of environmental enrichment on that response. In the second part of the study, the concentrations of glutamate and GABA, following chronic toluene exposure and after environmental enrichment treatment, were evaluated...
April 19, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28430786/repayment-policy-for-multiple-loans
#5
Yasmin Agueda Rios-Solis, Mario Alberto Saucedo-Espinosa, Gabriel Arturo Caballero-Robledo
The Repayment Policy for Multiple Loans is about a given set of loans and a monthly incoming cash flow: what is the best way to allocate the monthly income to repay such loans? In this article, we close the almost 20-year-old open question about how to model the repayment policy for multiple loans problem together with its computational complexity. Thus, we propose a mixed integer linear programming model that establishes an optimal repayment schedule by minimizing the total amount of cash required to repay the loans...
2017: PloS One
https://www.readbyqxmd.com/read/28428861/does-the-morphological-fit-between-flowers-and-pollinators-affect-pollen-deposition-an-experimental-test-in-a-buzz-pollinated-species-with-anther-dimorphism
#6
Lislie Solís-Montero, Mario Vallejo-Marín
Some pollination systems, such as buzz-pollination, are associated with floral morphologies that require a close physical interaction between floral sexual organs and insect visitors. In these systems, a pollinator's size relative to the flower may be an important feature determining whether the visitor touches both male and female sexual organs and thus transfers pollen between plants efficiently. To date, few studies have addressed whether in fact the "fit" between flower and pollinator influences pollen transfer, particularly among buzz-pollinated species...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28420830/antimicrobial-and-antibiofilm-activities-of-mta-supplemented-with-bismuth-lipophilic-nanoparticles
#7
Rene Hernandez-Delgadillo, Casiano Del Angel-Mosqueda, Juan Manuel Solís-Soto, Silvia Munguia-Moreno, Nayely Pineda-Aguilar, Rosa Isela Sánchez-Nájera, Shankararaman Chellam, Claudio Cabral-Romero
The objective of this work was to determine the antimicrobial and antibiofilm properties of mineral trioxide aggregate (MTA) supplemented with bismuth lipophilic nanoparticles (BisBAL NPs). The antimicrobial activity of the composite MTA-BisBAL NPs was determined by the disk diffusion assay, while antibiofilm activity was analyzed by fluorescence microscopy. The cytotoxicity of MTA-BisBAL NPs was determined on human gingival fibroblasts by optical microscopy and crystal violet staining. MTA-BisBAL NPs inhibited the growth of Enterococcus faecalis, Escherichia coli, and Candida albicans and also detached the biofilm of fluorescent E...
April 18, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28420029/interlobar-artery-resistive-index-predicts-acute-on-chronic-liver-failure-syndrome-in-cirrhotic-patients-with%C3%A2-acute-decompensation
#8
Pablo A Solís-Muñoz, Christopher Willars, Julia Wendon, George Auzinger, Michael A Heneghan, Maria De la Flor-Robledo, José A Solís-Herruzo
Introduction Patients with acutely decompensated (AD) cirrhosis are at risk for developing acute-on-chronic liver failure (ACLF) syndrome. This syndrome is associated with a high short-term mortality rate. The aim of our study was to identify reliable early predictors of developing ACLF in cirrhotic patients with AD. Patients and Methods We assessed 84 cirrhotic patients admitted for AD without ACLF on admission. We performed routine blood testing and detailed ultrasound Doppler studies of systemic arteries and mayor abdominal veins and arteries...
April 18, 2017: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/28416237/proliferative-verrucous-leukoplakia-of-the-tongue
#9
Paolo Cariati, Ana Belen Marin Fernandez, Jose Fernandez Solis
No abstract text is available yet for this article.
April 14, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28414603/cardiovascular-findings-in-ponies-with-equine-metabolic-syndrome
#10
Natalie Heliczer, Vinzenz Gerber, Rupert Bruckmaier, Johannes H van der Kolk, Cristobal Navas de Solis
OBJECTIVE To determine whether hypertension, high sympathetic tone, resting and exercising arrhythmias, and echocardiographic changes consistent with hypertensive cardiomyopathy were associated with equine metabolic syndrome (EMS) in ponies. DESIGN Prospective case-control study. ANIMALS 19 privately owned ponies with a diagnosis of EMS (history of laminitis, body condition score ≥ 7/9, cresty neck score ≥ 3/5, and abnormal oral sugar test result; cases) and 20 healthy control ponies. PROCEDURES Heart rate (HR), noninvasively measured arterial blood pressure (BP), markers of autonomic tone (splenic volume and HR variability), 24-hour and exercising ECGs, and echocardiograms were compared between cases and controls...
May 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/28412953/quantification-of-task-dependent-cortical-activation-evoked-by-robotic-continuous-wrist-joint-manipulation-in-chronic-hemiparetic-stroke
#11
Martijn P Vlaar, Teodoro Solis-Escalante, Julius P A Dewald, Erwin E H van Wegen, Alfred C Schouten, Gert Kwakkel, Frans C T van der Helm
BACKGROUND: Cortical damage after stroke can drastically impair sensory and motor function of the upper limb, affecting the execution of activities of daily living and quality of life. Motor impairment after stroke has been thoroughly studied, however sensory impairment and its relation to movement control has received less attention. Integrity of the somatosensory system is essential for feedback control of human movement, and compromised integrity due to stroke has been linked to sensory impairment...
April 17, 2017: Journal of Neuroengineering and Rehabilitation
https://www.readbyqxmd.com/read/28400397/fluorescence-in-a-cryptococcoma-following-administration-of-5-aminolevulinic-acid-hydrochloride-gliolan
#12
Waldo Gerard Solis, Mitchell Hansen
A 54-year-old man presented with two episodes of dysarthria and left facial droop. Both episodes resolved by the time of examination. MRI of the brain revealed a right frontotemporal, heterogeneously enhancing mass with surrounding vasogenic oedema, suggestive of a high-grade primary brain neoplasm. The patient was administered preoperative 5-aminolevulinic acid hydrochloride (Gliolan), and fluorescence-guided resection of the lesion was undertaken. Cryptococcus gattii infection was diagnosed from the specimen and the patient was given appropriate antifungal treatment...
April 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28399263/ecological-niche-model-for-predicting-distribution-of-disease-vector-mosquitoes-in-yucat%C3%A3-n-state-m%C3%A3-xico
#13
Carlos M Baak-Baak, David A Moo-Llanes, Nohemi Cigarroa-Toledo, Fernando I Puerto, Carlos Machain-Williams, Guadalupe Reyes-Solis, Yoshinori J Nakazawa, Armando Ulloa-Garcia, Julian E Garcia-Rejon
The majority of the Yucatán State, México, presents subtropical climate that is suitable for many species of mosquitoes that are known to be vectors of diseases, including those from the genera Aedes and Culex. The objective of this study is to identify the geographic distribution of five species from these two genera and estimate the human population at risk of coming in contact with them. We compiled distributional data for Aedes aegypti (L.), Aedes (Howardina) cozumelensis (Diaz Najera), Culex coronator Dyar and Knab, Culex quinquefasciatus Say, and Culex thriambus Dyar from several entomological studies in Yucatán between March 2010 and September 2014...
March 7, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28399184/genetic-factors-influencing-frontostriatal-dysfunction-and-the-development-of-dementia-in-parkinson-s-disease
#14
Ismael Huertas, Silvia Jesús, Francisco Javier García-Gómez, José Antonio Lojo, Inmaculada Bernal-Bernal, Marta Bonilla-Toribio, Juan Francisco Martín-Rodriguez, David García-Solís, Pilar Gómez-Garre, Pablo Mir
The dual syndrome hypothesis for cognitive impairment in Parkinson's disease (PD) establishes a dichotomy between a frontrostriatal dopamine-mediated syndrome, which leads to executive deficits, and a posterior cortical syndrome, which leads to dementia. Certain genes have been linked to these syndromes although the exact contribution is still controversial. The study's objective was to investigate the role of APOE, MAPT, COMT, SNCA and GBA genes in the dual syndromes. We genotyped APOE (rs429358 and rs7412), MAPT (rs9468), COMT (rs4680) and SNCA (rs356219) risk polymorphisms and sequenced GBA in a cohort of 298 PD patients...
2017: PloS One
https://www.readbyqxmd.com/read/28397540/a-population-based-analysis-of-survival-for-sinonasal-rhabdomyosarcoma
#15
Aykut A Unsal, Sei Yeon Chung, Aylin B Unsal, Soly Baredes, Jean Anderson Eloy
Objectives Literature detailing factors affecting survival in sinonasal rhabdomyosarcoma (SNRMS) is limited due to its rarity. We analyze the demographics, potential prognostic factors, overall survival, and treatment efficacy of SNRMS. Study Design and Setting Administrative database study. Methods SNRMS was queried in the SEER database (1973-2013; Surveillance, Epidemiology, and End Results). Data were analyzed for demographic and clinicopathologic trends. Kaplan-Meier model was utilized for assessing survival...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28397272/head-and-neck-sweat-gland-adenocarcinoma-a-population-based-perspective-of-a-rare-entity
#16
Aykut A Unsal, Varesh R Patel, Sei Y Chung, Albert H Zhou, Soly Baredes, Jean Anderson Eloy
OBJECTIVES: Head and neck sweat gland adenocarcinoma (HNSGA) is an extremely rare malignancy. We present the first population-based analysis regarding this entity. STUDY DESIGN: Retrospective population-based analysis. METHODS: Using the Surveillance, Epidemiology, and End Results registry from 2000 to 2013, we extracted 627 cases of HNSGA. Data were analyzed for incidence trends, demographic and clinicopathologic traits, and predictors of disease-specific survival (DSS)...
April 11, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28396966/floral-nectaries-in-sapindaceae-s-s-morphological-and-structural-diversity-and-their-systematic-implications
#17
Stella M Solís, Lucía M Zini, Valeria V González, María S Ferrucci
We investigated the morphology and structure of the floral nectary in 11 Neotropical genera belonging to the subfamilies Dodonaeoideae and Paullinioideae (Sapindaceae) from southern South America representing three tribes (Dodonaeaeae, Paullinieae, and Melicocceae), in relation to other floral traits in species with contrasting morphological flower characteristics. Nectary organization was analyzed under light, stereoscopic, and scanning electron microscopes; Diplokeleba floribunda N.E. Br. was also observed using transmission electron microscopy...
April 10, 2017: Protoplasma
https://www.readbyqxmd.com/read/28396118/superoxide-and-hydrogen-peroxide-counterregulate-myogenic-contractions-in-renal-afferent-arterioles-from-a-mouse-model-of-chronic-kidney-disease
#18
Lingli Li, En Yin Lai, Zaiming Luo, Glenn Solis, Kathy K Griendling, W Robert Taylor, Pedro A Jose, Anton Wellsten, William J Welch, Christopher S Wilcox
Myogenic contractions protect kidneys from barotrauma but are impaired in chronic kidney disease (CKD). Since myogenic contractions are enhanced by superoxide but impaired by hydrogen peroxide, we tested the hypothesis that they are counterregulated by superoxide and H2O2 from NOX2/p47phox and/or NOX4/POLDIP2 in CKD. Myogenic contraction in isolated perfused afferent arterioles from mice with surgical 5/6 nephrectomy or sham operations fed a 6% sodium chloride diet was measured directly while superoxide and H2O2 were measured by fluorescence microscopy...
April 7, 2017: Kidney International
https://www.readbyqxmd.com/read/28395871/a-circadian-genomic-signature-common-to-ketamine-and-sleep-deprivation-in-the-anterior-cingulate-cortex
#19
Ricardo Orozco-Solis, Emilie Montellier, Lorena Aguilar-Arnal, Shogo Sato, Marquis P Vawter, Blynn G Bunney, William E Bunney, Paolo Sassone-Corsi
BACKGROUND: Conventional antidepressants usually require several weeks to achieve a full clinical response in patients with major depressive disorder, an illness associated with dysregulated circadian rhythms and a high incidence of suicidality. Two rapid-acting antidepressant strategies, low-dose ketamine (KT) and sleep deprivation (SD) therapies, dramatically reduce depressive symptoms within 24 hours in a subset of major depressive disorder patients. However, it is unknown whether they exert their actions through shared regulatory mechanisms...
March 1, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28389772/anoxybacillus-sp-strain-uark-01-a-new-thermophilic-soil-bacterium-with-hyperthermostable-alkaline-laccase-activity
#20
Thamir H Al-Kahem Al-Balawi, Adam L Wood, Alexis Solis, Ted Cooper, Ravi D Barabote
We describe the isolation and characteristics of a novel thermophilic bacterium from soil. The organism is a member of the Anoxybacillus genus based on phylogenetic analysis of the 16S rRNA gene. The 16S rRNA of the organism shares >99% sequence identity with those of two species, Anoxybacillus rupiensis and A. geothermalis. We named this isolate as Anoxybacillus sp. strain UARK-01. UARK-01 grows optimally in the presence of oxygen at 55 °C and pH 8. It grew excellently in the presence of lignin as the sole carbon source...
April 8, 2017: Current Microbiology
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