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https://www.readbyqxmd.com/read/29232646/determination-of-uv-filters-in-human-breast-milk-using-turbulent-flow-chromatography-and-babies-daily-intake-estimation
#1
Daniel Molins-Delgado, María Del Mar Olmo-Campos, Gemma Valeta-Juan, Vanessa Pleguezuelos-Hernández, Damià Barceló, M Silvia Díaz-Cruz
UV filters (UV-Fs) are a group of hormonally active chemical compounds used to protect against the deleterious effects of UVA and UVB solar radiation, which are currently present in most consumer goods (personal care products, plastics, fabrics, paints, etc). Last years the concern about these emerging contaminants has been on the rise, and increasing efforts are being taken in order to properly asses the hazard that the exposure to these compounds in the early stages of life may pose. In this study, a new method for the analysis of 11 UV-Fs residues in human breast milk samples has been developed...
December 9, 2017: Environmental Research
https://www.readbyqxmd.com/read/29232457/imported-malaria-in-northern-italy-epidemiology-and-clinical-features-observed-over-18-years-in-the-teaching-hospital-of-brescia
#2
Paola Zanotti, Silvia Odolini, Lina Rachele Tomasoni, Cecilia Grecchi, Silvio Caligaris, Maurizio Gulletta, Alberto Matteelli, Veronica Cappa, Francesco Castelli
Background: Even though malaria incidence is decreasing worldwide, travel-related cases reported in Europe have remained stable in recent years. In Italy, incidence had increased in the 1990s, reaching a peak in 1999; a slow decline was then reported over the subsequent decade. To our knowledge, few published data are available on imported malaria in Italy since 2010. In this article we aimed to analyse trends in imported malaria in the teaching hospital of Brescia, northern Italy, over the last 18 years...
January 1, 2018: Journal of Travel Medicine
https://www.readbyqxmd.com/read/29232456/susceptibility-to-measles-in-migrant-population-implication-for-policy-makers
#3
Giancarlo Ceccarelli, Serena Vita, Elisabetta Riva, Eleonora Cella, Maurizio Lopalco, Francesca Antonelli, Marina De Cesaris, Marta Fogolari, Giordano Dicuonzo, Massimo Ciccozzi, Silvia Angeletti
Background: Despite a large measles outbreak is taking place in WHO European region, currently no data are available on measles immunization coverage in the asylum seeker and migrants hosted in this area. Methods: Two hundred and fifty-six migrants upon their arrival in Italy on March, April and May 2016 were screened for measles virus IgG antibodies by chemiluminescence immunoassay (Liaison XL analyzer, Diasorin, Italy). The virus susceptibility in this cohort, the differences between the official country reported and the observed measles immunization coverage and the impact of current measles outbreak on the asylum seekers hosted in the largest Asylum Seeker centres of Italy, were evaluated...
January 1, 2018: Journal of Travel Medicine
https://www.readbyqxmd.com/read/29232161/characterization-of-novel-missense-variants-of-serpina1-gene-causing-alpha-1-antitrypsin-deficiency
#4
Nerea Matamala, Beatriz Lara, Gema Gomez-Mariano, Selene Martínez, Diana Retana, Taiomara Fernandez, Ramona Angeles Silvestre, Irene Belmonte, Francisco Rodriguez-Frias, Marçal Vilar, Raquel Sáez, Igor Iturbe, Silvia Castillo, María Molina-Molina, Anna Texido, Gema Tirado-Conde, Jose Luis Lopez-Campos, Manuel Posada, Ignacio Blanco, Sabina Janciauskiene, Beatriz Martinez-Delgado
SERPINA1 gene is highly polymorphic, with more than one hundred variants described in databases. The SERPINA1 encodes alpha-1 antitrypsin (AAT) protein, and the severe deficiency of AAT is a major contributor to pulmonary emphysema and liver diseases. We report seven new variants in Spanish patients with AAT deficiency. All variants involved amino acid substitutions in different exons: PiSDonosti (S+Ser14Phe), PiTijarafe (Ile50Asn), PiSevilla (Ala58Asp), PiCadiz (Glu151Lys), PiTarragona (Phe227Cys), PiPuerto Real (Thr249Ala) and PiValencia (Lys328Glu)...
December 12, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29231859/rational-engineering-of-a-flavoprotein-oxidase-for-improved-direct-oxidation-of-alcohols-to-carboxylic-acids
#5
Mathias Pickl, Christoph K Winkler, Silvia M Glueck, Marco W Fraaije, Kurt Faber
The oxidation of alcohols to the corresponding carbonyl or carboxyl compounds represents a convenient strategy for the selective introduction of electrophilic carbon centres into carbohydrate-based starting materials. The O₂-dependent oxidation of prim-alcohols by flavin-containing alcohol oxidases often yields mixtures of aldehyde and carboxylic acid, which is due to "over-oxidation" of the aldehyde hydrate intermediate. In order to directly convert alcohols into carboxylic acids, rational engineering of 5-(hydroxymethyl)furfural oxidase was performed...
December 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29231149/radiopharmaceuticals-labelled-with-copper-radionuclides-clinical-results-in-human-beings
#6
Giulia Anna Follacchio, Maria Silvia De Feo, Francesco Monteleone, Giuseppe De Vincentis, Mauro Liberatore
Positron emission tomography (PET) is an instrumental diagnostic modality based on the representation (by images or numeric parameters) of the spatial and temporal distribution of molecules labelled with positron-emitting radionuclides. PET makes it possible to study biochemical processes underlying the function of several organs, providing information otherwise achievable only with bioptic assessment. PET has been developed around the positron-emitting radioisotopes of biologically important elements such as carbon, oxygen and nitrogen (11C, 15O, 13N), which enable PET imaging to identify the biodistribution of a wide range of small molecules...
December 11, 2017: Current Radiopharmaceuticals
https://www.readbyqxmd.com/read/29231136/stability-of-drugs-of-abuse-in-urine-samples-at-room-temperature-by-use-of-a-salt-mixture
#7
Manuela Pellegrini, Silvia Graziano, Luisa Mastrobattista, Adele Minutillo, Francesco Paolo Busardo, Gianfranco Scarsella
BACKGROUND: It has been long recognized that ensuring analyte stability is of crucial importance in the use of any quantitative bioanalytical method. As analyses are usually not performed directly after collection of the biological samples, but after these have been processed and stored, it is essential that analyte stability be maintained over the relevant storage conditions in order to ensure that the obtained concentration results adequately reflect those directly after sampling. The conservation of urine samples in refrigerated/frozen conditions is strongly recommended; but not always feasible...
December 11, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29231080/wie-sinnvoll-sind-tumormarker-im-klinischen-alltag
#8
Désirée Gassmann, Sandra Schmid, Silvia Hofer
No abstract text is available yet for this article.
2017: Praxis
https://www.readbyqxmd.com/read/29231047/cost-effectiveness-analysis-of-treatments-involving-radioembolization-in-intermediate-stage-hepatocellular-carcinoma
#9
Carla Rognoni, Oriana Ciani, Silvia Sommariva, Rosanna Tarricone
AIM: We evaluated two treatment sequences, transarterial radioembolization followed by transarterial chemoembolization and possibly sorafenib (=TTS) versus transarterial radioembolization followed by sorafenib alone (=TS), to identify the most cost-effective pathway to treat intermediate-stage hepatocellular carcinoma from the Italian healthcare system perspective. MATERIALS & METHODS: A Markov model was developed to project costs and health outcomes for TTS and TS over a lifetime horizon...
December 12, 2017: Journal of Comparative Effectiveness Research
https://www.readbyqxmd.com/read/29229880/klebsiella-pneumoniae-antibiotic-resistance-identified-by-atomic-force-microscopy
#10
Vincenzo Ierardi, Paolo Domenichini, Silvia Reali, Gian Marco Chiappara, Gianluigi Devoto, Ugo Valbusa
In the last decade the detection of the resistance of bacteria to antibiotics treatment, developed by different kind of bacteria, is becoming a huge problem. We hereby present a different approach to the current problem of detection of bacteria resistance to antibiotics. Our aims were to use the atomic force microscopy (AFM) to investigate bacteria morphological changes in response to antibiotics treatment and explore the possibility of reducing the time required to obtain information on their resistance. In particular, we studied Klebsiella pneumoniae bacteria provided by the Lavagna Hospital ASL4 Liguria (Italy), where there are cases linked with antibiotics resistance of the Klebsiella pneumoniae...
December 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/29229697/temporal-proteomics-of-inducible-rnai-lines-of-clp-protease-subunits-identifies-putative-protease-substrates
#11
Juan Camilo Moreno Beltran, Silvia Martinez-Jaime, Joram Schwartzmann, Daniel Karcher, Michael Tillich, Alexander Graf, Ralph Bock
The Clp protease in the chloroplasts of plant cells is a large complex composed of at least 13 nucleus-encoded subunits and one plastid-encoded subunit which are arranged in several ring-like structures. The proteolytic P-ring and the structurally similar R-ring form the core complex that contains the proteolytic chamber. Chaperones of the HSP100 family help with substrate unfolding and additional accessory proteins are believed to assist with Clp complex assembly and/or promote complex stability. Although structure and function of the Clp protease have been studied in great detail in both bacteria and chloroplasts, the identification of bona fide protease substrates has been very challenging...
December 11, 2017: Plant Physiology
https://www.readbyqxmd.com/read/29229668/multiple-myeloma-and-bone-the-fatal-interaction
#12
Silvia Marino, G David Roodman
Multiple myeloma (MM) is the second-most-common hematologic malignancy and the most frequent cancer to involve bone. MM bone disease (MMBD) has devastating consequences for patients, including dramatic bone loss, severe bone pain, and pathological fractures that markedly decrease the quality of life and impact survival of MM patients. MMBD results from excessive osteoclastic bone resorption and persistent suppressed osteoblastic bone formation, causing lytic lesions that do not heal, even when patients are in complete and prolonged remission...
December 11, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/29229599/downregulating-neuropilin-2-triggers-a-novel-mechanism-enabling-egfr-dependent-resistance-to-oncogene-targeted-therapies
#13
Sabrina Rizzolio, Chiara Battistini, Gabriella Cagnoni, Maria Apicella, Viviana Vella, Silvia Giordano, Luca Tamagnone
Neuropilins are a class of cell surface proteins implicated in cell migration and angiogenesis, with aberrant expression in human tumors. Here we show that the expression of Neuropilin-2 (NRP2) controls EGFR protein levels, thereby impinging on intracellular signaling, viability and response to targeted therapies of oncogene-addicted cells. Notably, increased NRP2 expression in EGFR-addicted tumor cells led to downregulation of EGFR protein and tumor cell growth inhibition. Nrp2 also blunted upregulation of an EGFR "rescue" pathway induced by targeted therapy in Met-addicted carcinoma cells...
December 11, 2017: Cancer Research
https://www.readbyqxmd.com/read/29229359/pelvic-exenteration-with-rectal-resection-for-different-types-of-malignancies-at-two-tertiary-referral-centres
#14
Alvaro Garcia-Granero, Sebastiano Biondo, Eloy Espin-Basany, Ana González-Castillo, Silvia Valverde, Loris Trenti, Antonio Gil-Moreno, Esther Kreisler
INTRODUCTION: Pelvic exenteration (PE) offers the best chance of cure for locally advanced primary or recurrent pelvic organ malignancies invading adjacent organs. The aims of this study were to analyse results for any pelvic exenteration that includes rectal resection and the analysis of results of fecal and urinary reconstruction. METHOD: From January 2000 to April 2014, 111 PE with rectal resection for any pelvic cancer were analysed retrospectively at two national tertiary referral centers...
December 8, 2017: Cirugía Española
https://www.readbyqxmd.com/read/29229352/the-outcome-of-severe-traumatic-brain-injury-in-latin-america
#15
Robert H Bonow, Jason Barber, Nancy R Temkin, Walter Videtta, Carlos Rondina, Gustavo Petroni, Silvia Lujan, Victor Alanis, Gustavo La Fuente, Arturo Lavadenz, Roberto Merida, Manuel Jibaja, Luis Gonzáles, Antonio Falcao, Ricardo Romero, Sureyya Dikmen, James Pridgeon, Randall M Chesnut
Traumatic brain injury (TBI) disproportionately affects lower and middle income countries (LMIC). The factors influencing outcomes in LMIC have not been examined as rigorously as in higher-income countries (HIC). This study was conducted to examine clinical and demographic factors influencing TBI outcomes in Latin American LMIC. Data were prospectively collected during a randomized trial of intracranial pressure monitoring in severe TBI and a companion observational study. Participants were aged ≥ 13 years and admitted to study hospitals with GCS ≤ 8...
December 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29229004/environmental-cleaning-of-outpatient-exam-rooms-how-frequent-is-enough
#16
Shela Sridhar, Mary Beth Graham, Sabrina Savage-Taft, John Fangman, L Silvia Munoz-Price
No abstract text is available yet for this article.
December 12, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29228658/dna-methylation-landscape-of-hepatoblastomas-reveals-arrest-at-early-stages-of-liver-differentiation-and-cancer-related-alterations
#17
Mariana Maschietto, Tatiane Cristina Rodrigues, André Yoshiaki Kashiwabara, Érica Sara Souza de Araujo, Talita Ferreira Marques Aguiar, Cecilia Maria Lima da Costa, Isabela Werneck da Cunha, Luciana Dos Reis Vasques, Monica Cypriano, Helena Brentani, Silvia Regina Caminada de Toledo, Peter Lees Pearson, Dirce Maria Carraro, Carla Rosenberg, Ana C V Krepischi
Hepatoblastomas are uncommon embryonal liver tumors accounting for approximately 80% of childhood hepatic cancer. We hypothesized that epigenetic changes, including DNA methylation, could be relevant to hepatoblastoma onset. The methylomes of eight matched hepatoblastomas and non-tumoral liver tissues were characterized, and data were validated in an independent group (11 hepatoblastomas). In comparison to differentiated livers, hepatoblastomas exhibited a widespread and non-stochastic pattern of global low-level hypomethylation...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29228181/the-promises-of-microalgae-still-a-long-way-to-go
#18
Daniel P Kiesenhofer, Silvia Fluch
Over the past decades, interest in microalgae has grown exponentially. Especially industrial applications, such as biodiesel production from microalgae were hyped in the early 2000s. But since the first attempts to commercialize microalgae derived products for energy applications, only a few developments made it to the market. What is hindering the full exploitation of this valuable resource for food, feed, and energy applications? This opinion paper reflects on the state of the art of industrial microalgae culturing and the knowledge gaps that still need to be filled jointly by academia and industry...
December 6, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/29228178/genome-sequence-analysis-of-a-hypermucoviscous-hypervirulent-and-mdr-ctx-m-15-k19-st29-klebsiella-pneumoniae-isolated-from-human-infection
#19
Quézia Moura, Fernanda Esposito, Miriam R Fernandes, Maria Espinoza-Muñoz, Tiago A Souza, Silvia R Santos, Louise Cerdeira, Valéria Cassettari, Nilton Lincopan
The emergence of hypervirulent Klebsiella pneumoniae (hvKP) with multidrug-resistance (MDR) profile is a worrisome public health issue. We report the first draft genome sequence of a hypermucoviscous (positive string test) and MDR K. pneumoniae serotype K19, belonging to ST29, isolated from human infection. This strain harboured multiple antimicrobial resistance genes, including blaCTX-M-15, besides yersiniabactin and type 3 fimbriae virulence genes. In vivo experiments carried out with the Galleria mellonella infection model revealed that K...
December 6, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/29227640/raman-spectroscopy-applied-to-parathyroid-tissues-a-new-diagnostic-tool-to-discriminate-normal-tissue-from-adenoma
#20
Andrea Palermo, Marco Fosca, Gaia Tabacco, Federico Marini, Valerio Graziani, Maria Carla Santarsia, Filippo Longo, Angelo Lauria, Roberto Cesareo, Isabella Giovannoni, Chiara Taffon, Massimiliano Rocchia, Silvia Manfrini, Pierfilippo Crucitti, Paolo Pozzilli, Anna Crescenzi, Julietta V Rau
Primary hyperparathyroidism is an endocrine disorder characterized by autonomous production of parathyroid hormone. Patients with the symptomatic disease should be referred for parathyroidectomy. However, the distinction between the pathological condition and the benign one is very challenging in the surgical setting; therefore, accurate recognition is important to ensure success during minimally invasive surgery. At present, all intraoperative techniques significantly increase surgical time and, consequently, cost...
December 11, 2017: Analytical Chemistry
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