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https://www.readbyqxmd.com/read/28530806/photoluminescent-hybrids-of-cellulose-nanocrystals-and-carbon-quantum-dots-as-cytocompatible-probes-for-in-vitro-bio-imaging
#1
Jiaqi Guo, Dongfei Liu, Ilari Filpponen, Leena-Sisko Johansson, Jani-Markus Malho, Sakeena Quraishi, Falk Liebner, Hélder A Santos, Orlando J Rojas
We present an approach to construct biocompatible and photoluminescent hybrid materials comprised of carbon quantum dots (CQD) and TEMPO-oxidized cellulose nanocrystals (TO-CNC). First, the amino-functionalized carbon quantum dots (NH2-CQD) were synthesized using a simple microwave method and the TO-CNCs were prepared by hydrochloric acid (HCl) hydrolysis followed by TEMPO-mediated oxidation. The conjugation of NH2-CQD and TO-CNC was conducted via carbodiimide-assisted coupling chemistry. The synthesized TO-CNC@CQD hybrid nanomaterials were characterized using X-ray photoelectron spectroscopy, cryo-transmittance electron microscopy, confocal microscopy and fluorescence spectroscopy...
May 22, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28525846/exploring-the-clonal-evolution-of-cd133-aldehyde-dehydrogenase-1-aldh1-positive-cancer-stem-like-cells-from-primary-to-recurrent-high-grade-serous-ovarian-cancer-hgsoc-a-study-of-the-ovarian-cancer-therapy-innovative-models-prolong-survival-octips-consortium
#2
Ilary Ruscito, Dan Cacsire Castillo-Tong, Ignace Vergote, Iulia Ignat, Mandy Stanske, Adriaan Vanderstichele, Ram N Ganapathi, Jacek Glajzer, Hagen Kulbe, Fabian Trillsch, Alexander Mustea, Caroline Kreuzinger, Pierluigi Benedetti Panici, Charlie Gourley, Hani Gabra, Mirjana Kessler, Jalid Sehouli, Silvia Darb-Esfahani, Elena Ioana Braicu
BACKGROUND: High-grade serous ovarian cancer (HGSOC) causes 80% of all ovarian cancer (OC) deaths. In this setting, the role of cancer stem-like cells (CSCs) is still unclear. In particular, the evolution of CSC biomarkers from primary (pOC) to recurrent (rOC) HGSOCs is unknown. Aim of this study was to investigate changes in CD133 and aldehyde dehydrogenase-1 (ALDH1) CSC biomarker expression in pOC and rOC HGSOCs. METHODS: Two-hundred and twenty-four pOC and rOC intrapatient paired tissue samples derived from 112 HGSOC patients were evaluated for CD133 and ALDH1 expression using immunohistochemistry (IHC); pOCs and rOCs were compared for CD133 and/or ALDH1 levels...
May 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28487561/crowdsourcing-based-nationwide-tick-collection-reveals-the-distribution-of-ixodes-ricinus-and-i-persulcatus-and-associated-pathogens-in-finland
#3
Maija Laaksonen, Eeva Sajanti, Jani J Sormunen, Ritva Penttinen, Jari Hänninen, Kai Ruohomäki, Ilari Sääksjärvi, Eero J Vesterinen, Ilppo Vuorinen, Jukka Hytönen, Tero Klemola
A national crowdsourcing-based tick collection campaign was organized in 2015 with the objective of producing novel data on tick distribution and tick-borne pathogens in Finland. Nearly 20 000 Ixodes ticks were collected. The collected material revealed the nationwide distribution of I. persulcatus for the first time and a shift northwards in the distribution of I. ricinus in Finland. A subset of 2038 tick samples containing both species was screened for Borrelia burgdorferi sensu lato (the prevalence was 14...
May 10, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28482054/safety-of-vaccinations-in-patients-with-cryopyrin-associated-periodic-syndromes-a-prospective-registry-based-study
#4
Veronika K Jaeger, Hal M Hoffman, Tom van der Poll, Hugh Tilson, Julia Seibert, Antonio Speziale, Guido Junge, Kristina Franke, Eleni Vritzali, Philip N Hawkins, Jasmin Kuemmerle-Deschner, Ulrich A Walker
Objectives.: Pneumococcal, tetanus and influenza vaccinations are recommended for patients with cryopyrin-associated periodic syndromes (CAPS) when treated with immunosuppressive medication. The aim of this publication is to report the safety of pneumococcal and other vaccinations in CAPS patients. Methods.: All CAPS patients followed in the β-CONFIDENT (Clinical Outcomes and Safety Registry study of Ilaris patients) registry were analysed if they had received a vaccination...
May 6, 2017: Rheumatology
https://www.readbyqxmd.com/read/28459207/beyond-circulating-microrna-biomarkers-urinary-micrornas-in-ovarian-and-breast-cancer
#5
Maria Luisa Gasparri, Assunta Casorelli, Erlisa Bardhi, Aris Raad Besharat, Delia Savone, Ilary Ruscito, Ammad Ahmad Farooqi, Andrea Papadia, Michael David Mueller, Elisabetta Ferretti, Pierluigi Benedetti Panici
Breast cancer is the most common malignancy in women worldwide, and ovarian cancer is the most lethal gynecological malignancy. Women carrying a BRCA1/2 mutation have a very high lifetime risk of developing breast and ovarian cancer. The only effective risk-reducing strategy in BRCA-mutated women is a prophylactic surgery with bilateral mastectomy and bilateral salpingo-oophorectomy. However, many women are reluctant to undergo these prophylactic surgeries due to a consequent mutilated body perception, unfulfilled family planning, and precocious menopause...
May 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28431841/cognitive-profile-and-disorders-affecting-higher-brain-functions-in-paediatric-patients-with-neurofibromatosis-type-1
#6
E Vaucheret Paz, A López Ballent, C Puga, M J García Basalo, F Baliarda, C Ekonen, R Ilari, G Agosta
INTRODUCTION: Neurofibromatosis type 1 (NF1) is a common neurocutaneous syndrome often associated with specific cognitive deficits that are rarely monitored during follow-up of these patients. OBJECTIVE: The purpose of our study is two-fold. First, we aimed to describe the cognitive profile of patients with NF1 and detect disorders in higher brain functions associated with the disease. Second, we identified the reasons for consultation associated with school performance in these patients...
April 18, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28424415/clinicopathological-features-and-outcome-of-chronic-lymphocytic-leukaemia-in-chinese-patients
#7
Thomas Sau-Yan Chan, Yuh-Shan Lee, Ilaria Del Giudice, Marilisa Marinelli, Caterina Ilari, Luciana Cafforio, Anna Guarini, Daryl Tan, Colin Phipps, Yeow-Tee Goh, William Hwang, Allan Zhi-Kai Goh, Lisa Lai-Ping Siu, Saliangi Wu, Chun-Yin Ha, Shek-Ying Lin, Chi-Hang Kwok, Chi-Kuen Lau, Kit-Fai Wong, Robin Foà, Yok-Lam Kwong, Eric Tse
Chronic lymphocytic leukaemia (CLL) is uncommon in Chinese population and its biology, genetics and treatment outcome in Chinese patients have not been comprehensively investigated. In this study, we studied the clinicopathological features and outcome of 212 Chinese patients with newly diagnosed CLL in Hong Kong and Singapore. The median age at diagnosis was 64 years. The majority of patients presented with early-stage disease (Binet stage A, 56.1%). Del(13)(q14) was the most frequent abnormality (41.7%) detected by fluorescence in situ hybridization (FISH) analysis...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28411548/the-production-of-injectable-hydrazone-crosslinked-gellan-gum-hyaluronan-hydrogels-with-tunable-mechanical-and-physical-properties
#8
Jennika Karvinen, Janne T Koivisto, Ilari Jönkkäri, Minna Kellomäki
Gellan gum (GG) has been proposed for use in tissue engineering (TE) due to its structural and functional similarities with alginate. The most traditional crosslinking methods of GG, ionical and photocrosslinking, have downsides such as loss of stability or phototoxicity, which can limit their use in certain applications. In this study, an alternative hydrazone crosslinking method is introduced. Hydrazone crosslinking is a simple method that produces no toxic reagents or side-products. The method enables the fabrication of injectable hydrogels...
April 7, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28396959/glucose-transportation-in-the-brain-and-its-impairment-in-huntington-disease-one-more-shade-of-the-energetic-metabolism-failure
#9
REVIEW
Veronica Morea, Eris Bidollari, Gianni Colotti, Annarita Fiorillo, Jessica Rosati, Lidia De Filippis, Ferdinando Squitieri, Andrea Ilari
Huntington's disease (HD) or Huntington's chorea is the most common inherited, dominantly transmitted, neurodegenerative disorder. It is caused by increased CAG repeats number in the gene coding for huntingtin (Htt) and characterized by motor, behaviour and psychiatric symptoms, ultimately leading to death. HD patients also exhibit alterations in glucose and energetic metabolism, which result in pronounced weight loss despite sustained calorie intake. Glucose metabolism decreases in the striatum of all the subjects with mutated Htt, but affects symptom presentation only when it drops below a specific threshold...
April 10, 2017: Amino Acids
https://www.readbyqxmd.com/read/28396880/beating-darwin-bragg-losses-in-lab-based-ultrafast-x-ray-experiments
#10
Wilfred K Fullagar, Jens Uhlig, Ujjwal Mandal, Dharmalingam Kurunthu, Amal El Nahhas, Hideyuki Tatsuno, Alireza Honarfar, Fredrik Parnefjord Gustafsson, Villy Sundström, Mikko R J Palosaari, Kimmo M Kinnunen, Ilari J Maasilta, Luis Miaja-Avila, Galen C O'Neil, Young Il Joe, Daniel S Swetz, Joel N Ullom
The use of low temperature thermal detectors for avoiding Darwin-Bragg losses in lab-based ultrafast experiments has begun. An outline of the background of this new development is offered, showing the relevant history and initiative taken by this work.
July 2017: Structural Dynamics (Melville, N.Y.)
https://www.readbyqxmd.com/read/28287713/protein-adsorption-tailors-the-surface-energies-and-compatibility-between-polylactide-and-cellulose-nanofibrils
#11
Alexey Khakalo, Ilari Filpponen, Orlando J Rojas
The state of dispersion and the interactions between a polymer and a filler in a nanocomposite crucially define its properties and performance. The affinity of polylactide (PLA) with vegetable and animal proteins (casein, gelatin, soy protein isolate, and hydrolysate) is investigated and their role as eco-friendly dispersants and compatibilizers of cellulose nanofibrils (CNF) is elucidated. The affinity of the proteins with PLA is determined by using sensograms acquired by electroacoustic (quartz crystal microgravimetry) and optical (surface plasmon resonance) techniques...
March 22, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28264336/the-genus-i-manota-i-williston-diptera-mycetophilidae-in-peruvian-amazonia-with-description-of-sixteen-new-species-and-notes-on-local-species-richness
#12
Heikki Hippa, Olavi Kurina, Ilari E Sääksjärvi
A comprehensive study of material of the worldwide fungus gnat genus Manota Williston, sampled from the Allpahuayo-Mishana National Reserve in Peruvian Amazonia, was conducted. The following 16 species are described as new: M. aligera sp. n., M. aristoseta sp. n., M. calva sp. n., M. ciliata sp. n., M. exigua sp. n., M. digitata sp. n., M. flabellata sp. n., M. iquitosensis sp. n., M. limulata sp. n., M. micella sp. n., M. minutula sp. n., M. nuda sp. n., M. parvula sp. n., M. pauloides sp. n., M. pustulosa sp...
February 21, 2017: Zootaxa
https://www.readbyqxmd.com/read/28248456/a-three-microrna-signature-identifies-two-subtypes-of-glioblastoma-patients-with-different-clinical-outcomes
#13
Giovanna Marziali, Mariachiara Buccarelli, Alessandro Giuliani, Ramona Ilari, Sveva Grande, Alessandra Palma, Quintino Giorgio D'Alessandris, Maurizio Martini, Mauro Biffoni, Roberto Pallini, Lucia Ricci-Vitiani
Glioblastoma multiforme (GBM) is the most common and malignant primary brain tumor in adults, characterized by aggressive growth, limited response to therapy, and inexorable recurrence. Because of the extremely unfavorable prognosis of GBM, it is important to develop more effective diagnostic and therapeutic strategies based on biologically and clinically relevant patient stratification systems. Analyzing a collection of patient-derived GBM stem-like cells (GSCs) by gene expression profiling, nuclear magnetic resonance (NMR) spectroscopy and signal transduction pathway activation, we identified two GSC clusters characterized by different clinical features...
March 1, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28199100/complexes-of-magnetic-nanoparticles-with-cellulose-nanocrystals-as-regenerable-highly-efficient-and-selective-platform-for-protein-separation
#14
Jiaqi Guo, Ilari Filpponen, Leena-Sisko Johansson, Pezhman Mohammadi, Mika Latikka, Markus B Linder, Robin H A Ras, Orlando J Rojas
We present an efficient approach to develop cellulose nanocrystal (CNC) hybrids with magnetically responsive Fe3O4 nanoparticles that were synthesized using the (Fe(3+)/Fe(2+)) coprecipitation. After 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-catalyzed oxidation of CNC, carbodiimide (EDC/NHS) was used for coupling amine-containing iron oxide nanoparticles that were achieved by dopamine ligand exchange (NH2-Fe3O4 NPs). The as-prepared hybrids (Fe3O4@CNC) were further complexed with Cu(II) ions to produce specific protein binding sites...
March 13, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28174518/assessing-music-perception-in-young-children-evidence-for-and-psychometric-features-of-the-m-factor
#15
Caio G Barros, Walter Swardfager, Sylvain Moreno, Graziela Bortz, Beatriz Ilari, Andrea P Jackowski, George Ploubidis, Todd D Little, Alexandra Lamont, Hugo Cogo-Moreira
Given the relationship between language acquisition and music processing, musical perception (MP) skills have been proposed as a tool for early diagnosis of speech and language difficulties; therefore, a psychometric instrument is needed to assess music perception in children under 10 years of age, a crucial period in neurodevelopment. We created a set of 80 musical stimuli encompassing seven domains of music perception to inform perception of tonal, atonal, and modal stimuli, in a random sample of 1006 children, 6-13 years of age, equally distributed from first to fifth grades, from 14 schools (38% private schools) in So Paulo State...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28098499/inhibition-of-leishmania-infantum-trypanothione-reductase-by-diaryl-sulfide-derivatives
#16
Francesco Saccoliti, Gabriella Angiulli, Giovanni Pupo, Luca Pescatori, Valentina Noemi Madia, Antonella Messore, Gianni Colotti, Annarita Fiorillo, Luigi Scipione, Marina Gramiccia, Trentina Di Muccio, Roberto Di Santo, Roberta Costi, Andrea Ilari
The study presented here aimed at identifying a new class of compounds acting against Leishmania parasites, the causative agent of Leishmaniasis. For this purpose, the thioether derivatives of our in-house library have been evaluated in whole-cell screening assays in order to determine their in vitro activity against Leishmania protozoan. Among them, promising results have been achieved with compound RDS 777 (6-(sec-butoxy)-2-((3-chlorophenyl)thio)pyrimidin-4-amine) (IC50 = 29.43 µM), which is able to impair the mechanism of the parasite defence against the reactive oxygen species by inhibiting the trypanothione reductase (TR) with high efficiency (Ki 0...
December 2017: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/27994480/combining-pain-therapy-with-lifestyle-the-role-of-personalized-nutrition-and-nutritional-supplements-according-to-the-simpar-feed-your-destiny-approach
#17
REVIEW
Manuela De Gregori, Carolina Muscoli, Michael E Schatman, Tiziana Stallone, Fabio Intelligente, Mariangela Rondanelli, Francesco Franceschi, Laura Isabel Arranz, Silvia Lorente-Cebrián, Maurizio Salamone, Sara Ilari, Inna Belfer, Massimo Allegri
Recently, attention to the lifestyle of patients has been rapidly increasing in the field of pain therapy, particularly with regard to the role of nutrition in pain development and its management. In this review, we summarize the latest findings on the role of nutrition and nutraceuticals, microbiome, obesity, soy, omega-3 fatty acids, and curcumin supplementation as key elements in modulating the efficacy of analgesic treatments, including opioids. These main topics were addressed during the first edition of the Study In Multidisciplinary Pain Research workshop: "FYD (Feed Your Destiny): Fighting Pain", held on April 7, 2016, in Rome, Italy, which was sponsored by a grant from the Italian Ministry of Instruction on "Nutraceuticals and Innovative Pharmacology"...
2016: Journal of Pain Research
https://www.readbyqxmd.com/read/27960438/superhydrophobic-and-slippery-lubricant-infused-flexible-transparent-nanocellulose-films-by-photoinduced-thiol-ene-functionalization
#18
Jiaqi Guo, Wenwen Fang, Alexander Welle, Wenqian Feng, Ilari Filpponen, Orlando J Rojas, Pavel A Levkin
Films comprising nanofibrillated cellulose (NFC) are suitable substrates for flexible devices in analytical, sensor, diagnostic, and display technologies. However, some major challenges in such developments include their high moisture sensitivity and the complexity of current methods available for functionalization and patterning. In this work, we present a facile process for tailoring the surface wettability and functionality of NFC films by a fast and versatile approach. First, the NFC films were coated with a layer of reactive nanoporous silicone nanofilament by polycondensation of trichlorovinylsilane (TCVS)...
December 14, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27957878/polyamine-trypanothione-pathway-an-update
#19
Andrea Ilari, Annarita Fiorillo, Ilaria Genovese, Gianni Colotti
In trypanosomatids, polyamine and trypanothione pathways can be considered as a whole unique metabolism, where most enzymes are essential for parasitic survival and infectivity. Leishmania parasites and all the other members of the Trypanosomatids family depend on polyamines for growth and survival: the enzymes involved in the synthesis and utilization of spermidine and trypanothione, i.e., arginase, ornithine decarboxylase, S-adenosylmethionine decarboxylase, spermidine synthase and in particular trypanothione synthetase-amidase, trypanothione reductase and tryparedoxin-dependent peroxidase are promising targets for drug development...
January 2017: Future Medicinal Chemistry
https://www.readbyqxmd.com/read/27932074/distributed-neural-signatures-of-natural-audiovisual-speech-and-music-in-the-human-auditory-cortex
#20
Juha Salmi, Olli-Pekka Koistinen, Enrico Glerean, Pasi Jylänki, Aki Vehtari, Iiro P Jääskeläinen, Sasu Mäkelä, Lauri Nummenmaa, Katarina Nummi-Kuisma, Ilari Nummi, Mikko Sams
During a conversation or when listening to music, auditory and visual information are combined automatically into audiovisual objects. However, it is still poorly understood how specific type of visual information shapes neural processing of sounds in lifelike stimulus environments. Here we applied multi-voxel pattern analysis to investigate how naturally matching visual input modulates supratemporal cortex activity during processing of naturalistic acoustic speech, singing and instrumental music. Bayesian logistic regression classifiers with sparsity-promoting priors were trained to predict whether the stimulus was audiovisual or auditory, and whether it contained piano playing, speech, or singing...
December 5, 2016: NeuroImage
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