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https://www.readbyqxmd.com/read/28734349/integrated-preservation-and-sample-clean-up-procedures-for-studying-water-ingestion-by-recreational-swimmers-via-urinary-biomarker-determination
#1
Ricardo Cantú, Jody A Shoemaker, Catherine A Kelty, Larry J Wymer, Thomas D Behymer, Alfred P Dufour, Matthew L Magnuson
The use of cyanuric acid as a biomarker for ingestion of swimming pool water may lead to quantitative knowledge of the volume of water ingested during swimming, contributing to a better understanding of disease resulting from ingestion of environmental contaminants. When swimming pool water containing chlorinated cyanurates is inadvertently ingested, cyanuric acid is excreted quantitatively within 24 h as a urinary biomarker of ingestion. Because the volume of water ingested can be quantitatively estimated by calculation from the concentration of cyanuric acid in 24 h urine samples, a procedure for preservation, cleanup, and analysis of cyanuric acid was developed to meet the logistical demands of large scale studies...
August 22, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28727851/unintentional-and-self-poisoning-mortalities-in-mexico-2000-2012
#2
Omar González-Santiago, Pilar C Morales-San Claudio, Lucia G Cantú-Cárdenas, Juan M J Favela-Hernández
INTRODUCTION: Poisoning remains a major worldwide public health problem. Mortality varies by country, region and ethnicity. The objective of this study is to analyze recent trends in poisoning mortality in the Mexican population. METHODS: Data regarding mortality induced by poisoning was obtained from a publicly available national database maintained by the National Institute of Statistics and Geography. RESULTS: During the period from 2000 to 2012, average mortality rates for unintentional and self-poisoning were 1...
2017: PloS One
https://www.readbyqxmd.com/read/28719755/clinical-risk-factors-and-prognostic-model-for-primary-graft-dysfunction-after-lung-transplantation-in-patients-with-pulmonary-hypertension
#3
Mary K Porteous, James C Lee, David J Lederer, Scott M Palmer, Edward Cantu, Rupal J Shah, Scarlett L Bellamy, Vibha N Lama, Sangeeta M Bhorade, Maria M Crespo, John F McDyer, Keith M Wille, A Russell Localio, Jonathan B Orens, Pali D Shah, Ann B Weinacker, Selim Arcasoy, David S Wilkes, Lorraine B Ware, Jason D Christie, Steven M Kawut, Joshua M Diamond
RATIONALE: Pulmonary hypertension from pulmonary arterial hypertension or parenchymal lung disease is associated with an increased risk of primary graft dysfunction after lung transplantation. OBJECTIVE: We evaluated the clinical determinants of severe primary graft dysfunction in pulmonary hypertension and developed and validated a prognostic model. METHODS: We conducted a retrospective cohort study of patients in the multi-center Lung Transplant Outcomes Group with pulmonary hypertension at transplant listing...
July 18, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28710429/the-a2v-mutation-as-a-new-tool-for-hindering-a%C3%AE-aggregation-a-neutron-and-x-ray-diffraction-study
#4
Laura Cantu', Laura Colombo, Tatiana Stoilova, Bruno Demé, Hideyo Inouye, Rachel Booth, Valeria Rondelli, Giuseppe Di Fede, Fabrizio Tagliavini, Elena Del Favero, Daniel A Kirschner, Mario Salmona
We have described a novel C-to-T mutation in the APP gene that corresponds to an alanine to valine substitution at position 673 in APP (A673V), or position 2 of the amyloid-β (Aβ) sequence. This mutation is associated with the early onset of AD-type dementia in homozygous individuals, whereas it has a protective effect in the heterozygous state. Correspondingly, we observed differences in the aggregation properties of the wild-type and mutated Aβ peptides and their mixture. We have carried out neutron diffraction (ND) and x-ray diffraction (XRD) experiments on magnetically-oriented fibers of Aβ1-28WT and its variant Aβ1-28A2V...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28702038/neofusicoccum-parvum-colonization-of-the-grapevine-woody-stem-triggers-asynchronous-host-responses-at-the-site-of-infection-and-in-the-leaves
#5
Mélanie Massonnet, Rosa Figueroa-Balderas, Erin R A Galarneau, Shiho Miki, Daniel P Lawrence, Qiang Sun, Christopher M Wallis, Kendra Baumgartner, Dario Cantu
Grapevine trunk diseases cause important economic losses in vineyards worldwide. Neofusicoccum parvum, one of the most aggressive causal agents of the trunk disease Botryosphaeria dieback, colonizes cells and tissues of the grapevine wood, leading to the formation of an internal canker. Symptoms then extend to distal shoots, with wilting of leaves and bud mortality. Our aim was to characterize the transcriptional dynamics of grapevine genes in the woody stem and in the leaves during Neofusicoccum parvum colonization...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28701040/in-situ-production-of-graphene-fiber-hybrid-structures
#6
Mandana Akia, Lee Cremar, Mircea Chipara, Edgar Munoz, Hilario Cortez, Hector de Santiago, Fernando J Rodriguez-Macias, Yadira I Vega-Cantú, Hamidreza Arandiyan, Hongyu Sun, Timothy P Lodge, Yuanbing Mao, Karen Lozano
We report a scalable method to obtain a new material where large graphene sheets form webs linking carbon fibers. Film-fiber hybrid nonwoven mats are formed during fiber processing and converted to carbon structures after a simple thermal treatment. This contrasts with multistep methods that attempt to mix previously prepared graphene and fibers, or require complicated and costly processes for deposition of graphene over carbon fibers. The developed graphene-fiber hybrid structures have seamless connections between graphene and fibers, and in fact the graphene "veils" extend directly from one fiber into another forming a continuous surface...
July 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28699042/is-the-non-sentinel-lymph-node-compartment-the-next-site-for-melanoma-progression-from-the-sentinel-lymph-node-compartment-in-the-regional-nodal-basin
#7
Andrei Rios-Cantu, Ying Lu, Victor Melendez-Elizondo, Michael Chen, Alejandra Gutierrez-Range, Niloofar Fadaki, Suresh Thummala, Carla West-Coffee, James Cleaver, Mohammed Kashani-Sabet, Stanley P L Leong
Melanoma patients with additional positive lymph nodes in the completion lymph node dissection (CLND) following a positive sentinel lymph node (SLN) biopsy would have a poorer prognosis than patients with no additional positive lymph nodes. We hypothesize that the progression of disease from the SLN to the non-SLN compartment is orderly and is associated with the worsening of the disease status. Thus, the SLN and non-SLN compartments are biologically different in that cancer cells, in general, arrive in the SLN compartment before spreading to the non-SLN compartment...
July 11, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28698026/corrigendum-to-thiol-ene-michael-type-formation-of-gelatin-poly-ethylene-glycol-biomatrices-for-three-dimensional-mesenchymal-stromal-stem-cell-administration-to-cutaneous-wounds-acta-biomater-9-11-2013-8802-8814
#8
Kedi Xu, David Antonio Cantu, Yao Fu, Jaehyup Kim, Xiaoxiang Zheng, Peiman Hematti, W John Kao
No abstract text is available yet for this article.
July 8, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28697470/structural-diversity-of-alkali-soluble-polysaccharides-from-the-fruit-cell-walls-of-tucum%C3%A3-astrocaryum-aculeatum-a-commelinid-monocotyledon-from-the-family-arecaceae
#9
Thaisa Moro Cantu-Jungles, Marcello Iacomini, Thales R Cipriani, Lucimara M C Cordeiro
The polysaccharide compositions of primary and secondary cell walls of members of the family Arecaceae in the commelinid clade of monocotyledonous plants have previously been found to be distinguishable from other commelinid families, and to be more similar to those of non-commelinids. However, few studies have been conducted. We aimed to extract and characterize the main cell-wall polysaccharides in the fruit pulp of tucumã (Astrocaryum aculeatum), a member of Arecaceae family. Hemicellulosic polysaccharides extracted by alkali from the fruit pulp were present in greater proportions (6...
July 4, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28690487/cant%C3%A3%C2%BA-syndrome-associated-with-ovarian-agenesis
#10
Helena Fryssira, Stavroula Psoni, Styliani Amenta, Eirini Tsoutsou, Christalena Sofocleous, Emmanouil Manolakos, Maria Gavra, Hermann-Joseph Lüdecke, Johanna-Christina Czeschik
Cantú syndrome is a very rare autosomal dominant disorder characterized by generalized congenital hypertrichosis, neonatal macrosomia, coarse face, cardiomegaly, and occasionally, skeletal abnormalities. The syndrome has been attributed to mutated ABCC9 or KCNJ8 genes. We present a 4-year-old girl with developmental delay, distinctive coarse facial features, and generalized hypertrichosis apparent since birth. The investigation revealed absent ovaries and a hypoplastic uterus which have not been previously described...
June 2017: Molecular Syndromology
https://www.readbyqxmd.com/read/28689002/age-acts-as-an-adverse-independent-variable-for-survival-in-acute-lymphoblastic-leukemia-data-from-a-cohort-in-northeast-mexico
#11
José Carlos Jaime-Pérez, Lucía Teresa Fernández, Raúl Alberto Jiménez-Castillo, Andrés Gómez-De León, Olga Graciela Cantú-Rodríguez, César Homero Gutiérrez-Aguirre, David Gómez-Almaguer
BACKGROUND: Survival for acute lymphoblastic leukemia (ALL) decreases with age. Patients across all age groups from a homogeneous ethnic and socioeconomic background were studied to document age effect. MATERIAL AND METHODS: Patients diagnosed from 2005 to 2015 at a university hospital in Northeast Mexico were divided into 4 age groups: infants (< 1), children (≥ 1 to < 16), adolescents (≥ 16 to ≤ 20), and adults (> 20 years). Correlation between age at diagnosis and relapse-free (RFS) and overall survival (OS) was investigated...
June 17, 2017: Clinical Lymphoma, Myeloma & Leukemia
https://www.readbyqxmd.com/read/28686153/heparin-like-effect-resistant-to-protamine-in-a-child-with-haemorrhagic-shock-do-we-need-heparinase
#12
Mirco Nacoti, Diego Cantù, Daniele Bonacina, Federico Lussana, Ezio Bonanomi, Marina Marchetti, Anna Falanga
No abstract text is available yet for this article.
June 8, 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28656377/acute-toxic-leukoencephalopathy-associated-with-a-non-prescription-weight-loss-supplement-a-report-of-two-cases
#13
Cesar E Escamilla-Ocañas, Carlos R Cámara-Lemarroy, Leonel Cantú-Martinez, Héctor R Martínez
Weight loss dietary supplements are used with some frequency by an increasingly overweight population. Some products are not adequately regulated and may pose potential health risks. We report two new cases of acute toxic leukoencephalopathy (ATL) due to the use of a supplement marketed as a thermogenic weight loss aid. ATL is a heterogeneous clinic-radiological entity that has been associated with various compounds, such as chemotherapeutic drugs and immunomodulators. It is characterized by an often reversible periventricular and infratentorial demyelination...
June 27, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28651938/elevated-oxidative-stress-in-the-aortic-media-of-patients-with-bicuspid-aortic-valve
#14
Marie Billaud, Julie A Phillippi, Mary P Kotlarczyk, Jennifer C Hill, Bradley W Ellis, Claudette M St Croix, Nadiezhda Cantu-Medéllin, Eric E Kelley, Thomas G Gleason
OBJECTIVE: Congenital bicuspid aortic valve (BAV) is distinctly associated with the development of ascending aortopathy in adulthood, portending risk of both ascending aortic aneurysm and dissection. Our previous work implicated deficiency in oxidative stress response as a mediator of the BAV-associated aortopathy. We hypothesize that reactive oxygen species generation invokes elevated local oxidative tissue damage in ascending aorta of patients with BAV. METHODS: Ascending aortic specimens were obtained from patients undergoing elective aortic replacement and/or aortic valve replacement and during heart transplant operations...
May 25, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28648565/corrigendum-to-thiol-ene-michael-type-formation-of-gelatin-poly-ethylene-glycol-biomatrices-for-three-dimensional-mesenchymal-stromal-stem-cell-administration-to-cutaneous-wounds-acta-biomater-9-11-2013-8802-8814
#15
Kedi Xu, David Antonio Cantu, Yao Fu, Jaehyup Kim, Xiaoxiang Zheng, Peiman Hematti, W John Kao
No abstract text is available yet for this article.
June 22, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28641814/an-interferometric-technique-to-study-capillary-waves
#16
REVIEW
Laura Cantu', Antonio Raudino, Mario Corti
We describe a new interferometric technique to study gas-liquid and liquid-liquid interfaces. Bubbles and drops are subjected to an alternating electric field which excites capillary oscillations at the interface, if charged. Bubble or drop deformation is detected by the change of the internal optical path of a laser beam crossing perpendicular to the oscillation axis. Due to the closed geometry, a discrete spectrum of stationary oscillation frequencies (normal modes) is excited. The interferometric nature of the measurement and the resonant nature of the oscillation modes concur in allowing for high sensitivity, in the sub-nanometric region...
June 15, 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/28639897/gene-signature-based-on-degradome-related-genes-can-predict-distal-metastasis-in-cervical-cancer-patients
#17
Jorge Fernandez-Retana, Horacio Zamudio-Meza, Miguel Rodriguez-Morales, Abraham Pedroza-Torres, David Isla-Ortiz, Luis Herrera, Nadia Jacobo-Herrera, Oscar Peralta-Zaragoza, César López-Camarillo, Fermin Morales-Gonzalez, David Cantu de Leon, Carlos Pérez-Plasencia
Cervical cancer is one of the leading causes of death in women worldwide, which mainly affects developing countries. The patients who suffer a recurrence and/or progression disease have a higher risk of developing distal metastases. Proteases comprising the degradome given its ability to promote cell growth, migration, and invasion of tissues play an important role during tumor development and progression. In this study, we used high-density microarrays and quantitative reverse transcriptase polymerase chain reaction to evaluate the degradome profile and their inhibitors in 112 samples of patients diagnosed with locally advanced cervical cancer...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28637176/dissociation-of-striatal-dopamine-and-tyrosine-hydroxylase-expression-from-aging-related-motor-decline-evidence-from-calorie-restriction-intervention
#18
Michael F Salvatore, Jennifer Terrebonne, Mark A Cantu, Tamara R McInnis, Katy Venable, Parker Kelley, Ella A Kasanga, Brian Latimer, Catherine L Owens, Brandon S Pruett, Yongmei Yu, Robert Luedtke, Michael J Forster, Nathalie Sumien, Donald K Ingram
The escalating increase in retirees living beyond their 8th decade brings increased prevalence of aging-related impairments, including locomotor impairment (Parkinsonism) which may affect ~50% of those reaching age 80, but has no confirmed neurobiological mechanism. Lifestyle strategies that attenuate motor decline, and its allied mechanisms, must be identified. Aging studies report little to moderate loss of striatal dopamine (DA) or tyrosine hydroxylase (TH) in nigrostriatal terminals, in contrast to ~70-80% loss associated with bradykinesia onset in Parkinson's disease...
June 20, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28631864/ceftriaxone-reduces-l-dopa-induced-dyskinesia-severity-in-6-hydroxydopamine-parkinson-s-disease-model
#19
Tanya Chotibut, Samantha Meadows, Ella A Kasanga, Tamara McInnis, Mark A Cantu, Christopher Bishop, Michael F Salvatore
BACKGROUND: Increased extracellular glutamate may contribute to l-dopa induced dyskinesia, a debilitating side effect faced by Parkinson's disease patients 5 to 10 years after l-dopa treatment. Therapeutic strategies targeting postsynaptic glutamate receptors to mitigate dyskinesia may have limited success because of significant side effects. Increasing glutamate uptake may be another approach to attenuate excess glutamatergic neurotransmission to mitigate dyskinesia severity or prolong the time prior to onset...
June 20, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28627835/clinical-and-molecular-delineation-of-a-novel-cys1050phe-missense-mutation-in-the-abcc9-gene-in-a-korean-patient-with-cant%C3%A3%C2%BA-syndrome
#20
HyoIn Kim, SeongWoo Kim, HaRa Jeon, JiYong Kim, JongHa Yoo, MoonWoo Seong, SungSup Park
Cantú syndrome is characterized by congenital hypertrichosis, cardiomegaly, and osteochondrodysplasia and is recognized as a rare syndrome. Although it has previously been reported that the majority of affected individuals have a relatively good prognosis, there are no reports on long-term follow up. Here we report the first case of Cantú syndrome in Korea and the associated changes in overall development with rehabilitation over several months.
May 1, 2017: Clinical Laboratory
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