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https://www.readbyqxmd.com/read/29346525/frailty-syndrome-and-genomic-instability-in-older-adults-suitability-of-the-cytome-micronucleus-assay-as-a-diagnostic-tool
#1
María Sánchez-Flores, Diego Marcos-Pérez, Laura Lorenzo-López, Ana Maseda, José C Millán-Calenti, Stefano Bonassi, Eduardo Pásaro, Blanca Laffon, Vanessa Valdiglesias
Frailty, a condition involving increased risk of disability and mortality in older adults, has emerged as a reliable way to predict the effect of aging. Genomic instability may help to anticipate recognition of frail individuals and improving frailty outcomes. Our objective was to evaluate the potential of the micronucleus (MN) frequency, evaluated in lymphocytes and buccal cells, to anticipate frailty identification and improve diagnosis reliability. Our results, from a group of older adults over 65, showed that frail individuals had significantly higher frequencies of MN in lymphocytes (19...
January 13, 2018: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29340832/sacral-neuromodulation-in-patients-with-congenital-faecal-incontinence-special-issues-and-review-of-the-literature
#2
L Lagares-Tena, L Millán-Paredes, L Lázaro-García, A Navarro-Luna, S Delgado-Rivilla, A Muñoz-Duyos
BACKGROUND: The aim of the present study was to evaluate the effectiveness of sacral neuromodulation (SNM) as a treatment for congenital faecal incontinence (FI). METHODS: A retrospective study was conducted on patients with congenital FI who had SNM surgery at our institution between October 2005 and June 2013. An initial percutaneous nerve evaluation was performed, and patients with an improvement of more than 50% in their symptoms had permanently implants for SNM treatment...
January 16, 2018: Techniques in Coloproctology
https://www.readbyqxmd.com/read/29332610/improvements-in-the-conception-rate-milk-composition-and-embryo-quality-of-rabbit-does-after-dietary-enrichment-with-n-3-polyunsaturated-fatty-acids
#3
M Rodríguez, R M García-García, M Arias-Álvarez, P Millán, N Febrel, N Formoso-Rafferty, J López-Tello, P L Lorenzo, P G Rebollar
This work attempts to confirm the effect of an enriched diet with n-3 polyunsaturated fatty acids (PUFA) trying to mitigate the reproductive performances issues such as low conception rate of primiparous rabbits. A total of 127 does were fed ad libitum throughout their two first cycles with two diets with different fat sources: mixed fat in the control and salmon oil in the enriched one, with 3.19 g/100 g (n=63 does) and 28.77 g/100 g (n=64 does) of n-3 of the total fatty acid, respectively. Feed intake was similar between groups (P>0...
January 15, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29331876/app-go-protein-g%C3%AE-%C3%AE-complex-signaling-mediates-a%C3%AE-degeneration-and-cognitive-impairment-in-alzheimer-s-disease-models
#4
Elena Anahi Bignante, Nicolás Eric Ponce, Florencia Heredia, Juliana Musso, María C Krawczyk, Julieta Millán, Gustavo F Pigino, Nibaldo C Inestrosa, Mariano M Boccia, Alfredo Lorenzo
Deposition of amyloid-β (Aβ), the proteolytic product of the amyloid precursor protein (APP), might cause neurodegeneration and cognitive decline in Alzheimer's disease (AD). However, the direct involvement of APP in the mechanism of Aβ-induced degeneration in AD remains on debate. Here, we analyzed the interaction of APP with heterotrimeric Go protein in primary hippocampal cultures and found that Aβ deposition dramatically enhanced APP-Go protein interaction in dystrophic neurites. APP overexpression rendered neurons vulnerable to Aβ toxicity by a mechanism that required Go-Gβγ complex signaling and p38-mitogen-activated protein kinase activation...
December 20, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29328996/acute-and-sub-acute-neurological-toxicity-in-children-treated-for-acute-lymphoblastic-leukemia
#5
REVIEW
Natalia C Millan, Analía Pastrana, Myriam R Guitter, Pedro A Zubizarreta, María S Monges, María S Felice
Eighty percent of children with acute lymphoblastic leukemia (ALL) survive with current treatments. Neurotoxicity is an infrequent adverse event. We describe clinical presentations of neurological toxicity, phases of treatment when these adverse events were more frequent and patients ́ outcome. From January-1995 to December-2015, 1379 ALL cases were admitted. Neurotoxicity was diagnosed in 49 patients (3.6%) and classified according to neurological syndromes. Medical records, laboratory-tests and images were reviewed...
January 2, 2018: Leukemia Research
https://www.readbyqxmd.com/read/29320197/synthesis-of-thelepamide-via-catalyst-controlled-1-4-addition-of-cysteine-derivatives-and-structure-revision-of-thelepamide
#6
Tobias Seitz, Ramón E Millán, Dieter Lentz, Carlos Jiménez, Jaime Rodríguez, Mathias Christmann
The first enantioselective total synthesis and structural reassignment of (-)-thelepamide, a cytotoxic tetraketide-amino acid from the marine worm Thelepus crispus, is reported. A convergent approach provides access to all thelepamide diastereomers in six steps from four simple building blocks. Key features of the synthesis include the application of Melchiorre's organocatalytic thia-Michael reaction and a sonication-assisted assembly of an unprecedented N,O-acetal-hemiacetal moiety. The corrected structure was confirmed by NMR-DFT analysis...
January 10, 2018: Organic Letters
https://www.readbyqxmd.com/read/29317021/proposed-clinical-scale-for-the-diagnosis-of-acute-coronary-syndrome-in-patients-with-an-inconclusive-electrocardiogram-and-myocardial-injury-biomarkers
#7
F J Montero-Pérez, F B Quero-Espinosa, M J Clemente-Millán, J A Castro-Giménez, J de Burgos-Marín, M Á Romero-Moreno
RATIONALE: Acute coronary syndrome (ACS) requires improved diagnostic accuracy through useful, safe and easy-to-apply tools. OBJECTIVES: To obtain an assessment scale for the diagnosis of ACS in patients with chest pain and nondiagnostic electrocardiogram and troponin concentrations. METHODS: A prospective cohort study included 286 patients treated in the emergency department for chest pain, with normal electrocardiogram and troponin levels...
January 6, 2018: Revista Clínica Española
https://www.readbyqxmd.com/read/29313816/osteopontin-regulates-dentin-and-alveolar-bone-development-and-mineralization
#8
B L Foster, M Ao, C R Salmon, M B Chavez, T N Kolli, A B Tran, E Y Chu, K R Kantovitz, M Yadav, S Narisawa, J L Millán, F H Nociti, M J Somerman
The periodontal complex is essential for tooth attachment and function and includes the mineralized tissues, cementum and alveolar bone, separated by the unmineralized periodontal ligament (PDL). To gain insights into factors regulating cementum-PDL and bone-PDL borders and protecting against ectopic calcification within the PDL, we employed a proteomic approach to analyze PDL tissue from progressive ankylosis knock-out (Ank-/-) mice, featuring reduced PPi, rapid cementogenesis, and excessive acellular cementum...
December 4, 2017: Bone
https://www.readbyqxmd.com/read/29304473/bariatric-surgery-as-a-risk-factor-in-the-development-of-dental-caries-a-systematic-review
#9
REVIEW
A O Salgado-Peralvo, M V Mateos-Moreno, L Arriba-Fuente, Á García-Sánchez, A Salgado-García, V Peralvo-García, M Millán-Yanes
OBJECTIVES: Obesity is one of the most prevalent chronic pathologies in the world and has become a public health problem. At the present time, bariatric surgery (BS) is considered the best option and the only effective method of treatment, but it can occasionally result in a series of alterations at the oral level. This study aims to review the current literature to establish the possible association of patients who have undergone BS and a greater risk of dental caries. STUDY DESIGN: This study is a systematic review of the literature...
January 2, 2018: Public Health
https://www.readbyqxmd.com/read/29304041/development-of-a-biosensor-protein-bullet-as-a-fluorescent-method-for-fast-detection-of-escherichia-coli-in-drinking-water
#10
Ignacio Gutiérrez-Del-Río, Laura Marín, Javier Fernández, María Álvarez San Millán, Francisco Javier Ferrero, Marta Valledor, Juan Carlos Campo, Natalia Cobián, Ignacio Méndez, Felipe Lombó
Drinking water can be exposed to different biological contaminants from the source, through the pipelines, until reaching the final consumer or industry. Some of these are pathogenic bacteria and viruses which may cause important gastrointestinal or systemic diseases. The microbiological quality of drinking water relies mainly in monitoring three indicator bacteria of faecal origin, Escherichia coli, Enterococcus faecalis and Clostridium perfringens, which serve as early sentinels of potential health hazards for the population...
2018: PloS One
https://www.readbyqxmd.com/read/29295858/hif-1%C3%AE-stabilization-reduces-retinal-degeneration-in-a-mouse-model-of-retinitis-pigmentosa
#11
Lorena Olivares-González, Cristina Martínez-Fernández de la Cámara, David Hervás, José María Millán, Regina Rodrigo
Retinitis pigmentosa (RP) is a group of inherited retinal dystrophies characterized by progressive and irreversible loss of vision due to rod and cone degeneration. Evidence suggests that an inappropriate oxygen level could contribute to its pathogenesis. Rod cell death could increase oxygen concentration, reduce hypoxia-inducible factor 1 (HIF-1α) and contribute to cone cell death. The purposes of this study were: 1) to analyze the temporal profile of HIF-1α, its downstream effectors VEGF, endothelin-1 (ET-1), iNOS, and glucose transporter 1 (GLUT1), and neuroinflammation in retinas of the murine model of rd10 (retinal degeneration 10) mice with RP; 2) to study oxygen bioavailability in these retinas; and 3) to investigate how stabilizing HIF-1α proteins with dimethyloxaloglycine (DMOG), a prolyl hydroxylase inhibitor, affects retinal degeneration, neuroinflammation, and antioxidant response in rd10 mice...
January 2, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29286175/hyperbaric-oxygen-therapy-an-alternative-treatment-for-radiation-induced-cutaneous-ulcers
#12
Inés Fernández Canedo, Laura Padilla España, José Francisco Millán Cayetano, Juan Bosco Repiso Jiménez, Manuel Pérez Delgado, Magdalena de Troya Martín
Radiotherapy is a widely recognised treatment for non-melanoma skin cancer. We report three cases of radiation-induced skin ulcers in which hyperbaric oxygen therapy was administered in 90-min sessions, 5 days a week at 2.4 absolute atmospheres in a multiplace hyperbaric chamber. Hyperbaric oxygen therapy is an outpatient treatment that does not displace other classical treatments and may be used as an adjunct therapy.
December 29, 2017: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/29278735/expanding-the-fanco-rad51c-associated-phenotype-cleft-lip-and-palate-and-lobar-holoprosencephaly-two-rare-findings-in-fanconi-anemia
#13
Adeline Jacquinet, Lindsay Brown, Jessica Sawkins, Pengfei Liu, Denise Pugash, Margot I Van Allen, Millan S Patel
Fanconi anemia is a rare chromosome instability disorder with a highly variable phenotype. In the antenatal and neonatal periods, the diagnosis is usually suggested by the presence of typical congenital abnormalities such as intrauterine growth retardation, microcephaly and radial ray defects. We report a newborn female with a prenatal diagnosis of Fanconi anemia, complementation group O (FANCO). Antenatal ultrasounds identified symmetrical intrauterine growth retardation, complex heart defect as well as brain anomalies, overlapping fingers and cleft lip and palate...
December 23, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29275643/gastric-cancer-in-latin-america
#14
Erika Ruíz-García, Jorge Guadarrama-Orozco, Silvia Vidal-Millán, Leonardo S Lino-Silva, César López-Camarillo, Horacio Astudillo-de la Vega
Every year, cancer affects more than one million Latin Americans. The increasing incidence of cancer could be secondary to an aging population, westernization of life style, and urbanization. LA has among the highest incidence rates of gastric cancer, compared to other countries. In this review, different studies on gastric cancer and its relation with risks factors, such as infections, diet and life styles typical of LA, besides the different molecular alterations of that specific population (mainly at a genetic polymorphism level) are analyzed...
December 23, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/29260554/general-theoretical-treatment-of-ion-transfers-in-two-polarisable-interface-systems-when-the-analyte-has-access-to-both-interfaces
#15
José Manuel Olmos, Angela Molina, Eduardo Laborda, Enrique Millan-Barrios, Joaquín A Ortuño
A new theory is presented to tackle the study of transfer processes of hydrophilic ions in two polarisable interface systems when the analyte is initially present in both aqueous phases. The treatment is applied to macrointerfaces (linear diffusion) and microholes (highly convergent diffusion), obtaining analytical equations for the current response in any voltammetric technique. The novel equations predict two signals in the current-potential curves that are symmetric when the compositions of the aqueous phases are identical while asymmetries appear otherwise...
December 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29260184/amaranth-addition-to-enzymatically-modified-wheat-flour-improves-dough-functionality-bread-immunoreactivity-and-quality
#16
N G Heredia-Sandoval, A M Calderón de la Barca, E Carvajal-Millán, A R Islas-Rubio
Consumers with gluten-related disorders require gluten-free (GF) foods to avoid an immune response. Alternative to the use of non-gluten containing grains to prepare GF bread, the gluten reactivity has been greatly reduced using a proline specific cleavage enzyme, however, the gluten functionality was lost. The aim of this study was to evaluate the effect of adding an amaranth flour blend (AFB) to enzymatically modified wheat-flour proteins on dough functionality and to evaluate the immunoreactivity and acceptability of the prepared bread...
December 20, 2017: Food & Function
https://www.readbyqxmd.com/read/29249919/abortion-and-conscientious-objection-rethinking-conflicting-rights-in-the-mexican-context
#17
Gustavo Ortiz-Millán
Since 2007, when Mexico City decriminalized abortion during the first trimester, a debate has been taking place regarding abortion and the right to conscientious objection (CO). Many people argue that, since the provision of abortions (or "legal terminations of pregnancy" as they are called under Mexico City's law) is now a statutory duty of healthcare personnel there can be no place for "conscientious objection." Others claim that, even if such an objection were to be allowed, it should not be seen as a right, since talk about a right to CO may lead to a slippery slope where we may end up recognizing a right to disobey the law...
2018: Global Bioethics, Problemi di Bioetica
https://www.readbyqxmd.com/read/29248829/iron-loaded-transferrin-tf-is-detrimental-whereas-iron-free-tf-confers-protection-against-brain-ischemia-by-modifying-blood-tf-saturation-and-subsequent-neuronal-damage
#18
Nuria DeGregorio-Rocasolano, Octavi Martí-Sistac, Jovita Ponce, María Castelló-Ruiz, Mònica Millán, Verónica Guirao, Isaac García-Yébenes, Juan B Salom, Pedro Ramos-Cabrer, Enrique Alborch, Ignacio Lizasoain, José Castillo, Antoni Dávalos, Teresa Gasull
Despite transferrin being the main circulating carrier of iron in body fluids, and iron overload conditions being known to worsen stroke outcome through reactive oxygen species (ROS)-induced damage, the contribution of blood transferrin saturation (TSAT) to stroke brain damage is unknown. The objective of this study was to obtain evidence on whether TSAT determines the impact of experimental ischemic stroke on brain damage and whether iron-free transferrin (apotransferrin, ATf)-induced reduction of TSAT is neuroprotective...
December 2, 2017: Redox Biology
https://www.readbyqxmd.com/read/29240720/enhanced-reduction-of-few-layer-graphene-oxide-via-supercritical-water-gasification-of-glycerol
#19
Daniel Torres, Pedro Arcelus-Arrillaga, Marcos Millan, José Luis Pinilla, Isabel Suelves
A sustainable and effective method for de-oxygenation of few-layer graphene oxide (FLGO) by glycerol gasification in supercritical water (SCW) is described. In this manner, reduction of FLGO and valorization of glycerol, in turn catalyzed by FLGO, are achieved simultaneously. The addition of glycerol enhanced FLGO oxygen removal by up to 59% due to the in situ hydrogen generation as compared to the use of SCW only. Physicochemical characterization of the reduced FLGO (rFLGO) showed a high restoration of the sp²-conjugated carbon network...
December 14, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29234952/increased-calcium-uptake-and-improved-trabecular-bone-properties-in-intestinal-alkaline-phosphatase-knockout-mice
#20
Lucas R Brun, M Lombarte, S Roma, F Perez, J L Millán, A Rigalli
Previous studies have demonstrated a negative correlation between intestinal alkaline phosphatase (IAP) activity and calcium (Ca) absorption in the gut, as IAP acts as a protective mechanism inhibiting high Ca entry into enterocytes, preventing Ca overload. Here we evaluated Ca absorption and bone properties in knockout mice (KO) completely devoid of duodenal IAP (Akp3 -/- mice). Female C57BL/6 control mice (WT, n = 7) and KO mice (n = 10) were used to determine Ca absorption in vivo and by in situ isolated duodenal loops followed by histomorphometric analysis of duodenal villi and crypts...
December 12, 2017: Journal of Bone and Mineral Metabolism
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