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https://www.readbyqxmd.com/read/28736088/fetopathological-examination-for-the-fetuses-with-down-syndrome-in-tunisia-epidemiological-study-and-associated-malformations
#1
Meriem Aloui, Kaouther Nasri, Nadia Ben Jemaa, Meriem Sahraoui, Aida Masmoudi, Dorra Zghal, Dalenda Chelli, Habiba Chaâbouni, Abdel Majid Ben Hamida, Soumeya Siala Gaigi, Raja Marrakchi
BACKGROUND: For Down syndrome (DS), traditional epidemiological studies to determine the prevalence, cause, and clinical significance of the syndrome have been conducted over the last 100 years. In Tunisia, the current work is the first in-depth study in epidemiology of DS from fetopathological data. AIM OF THE STUDY: The aim of this epidemiological study was to determine the impact of some feto-maternal characteristics in occurrence of DS and to search the frequency of associated congenital malformations with this syndrome...
May 8, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28733321/noninvasive-respiratory-care-received-by-individuals-with-duchenne-muscular-dystrophy-since-1979-reply
#2
Jennifer G Andrews, Aida Soim, Shree Pandya, Christina P Westfield, Emma Ciafaloni, Deborah J Fox, David J Birnkrant, Christopher M Cunniff, Daniel W Sheehan
No abstract text is available yet for this article.
August 2017: Respiratory Care
https://www.readbyqxmd.com/read/28732480/metformin-and-longevity-metal-a-window-of-opportunity-study-investigating-the-biological-effects-of-metformin-in-localised-prostate-cancer
#3
Danielle Crawley, Ashish Chandra, Massimo Loda, Cheryl Gillett, Paul Cathcart, Ben Challacombe, Gary Cook, Declan Cahill, Aida Santa Olalla, Fidelma Cahill, Gincy George, Sarah Rudman, Mieke Van Hemelrijck
BACKGROUND: Metformin is a biguanide oral hypoglycaemic agent commonly used for the treatment of type 2 diabetes mellitus. In addition to its anti-diabetic effect, metformin has also been associated with a reduced risk of cancer incidence of a number of solid tumours, including prostate cancer (PCa). However, the underlying biological mechanisms for these observations have not been fully characterised in PCa. One hypothesis is that the indirect insulin lowering effect may have an anti-neoplastic action as elevated insulin and insulin like growth factor - 1 (IGF-1) levels play a role in PCa development and progression...
July 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28730961/novel-fluorinated-porphyrins-sensitize-tumor-cells-to-photodamage-in-normoxia-and-hypoxia-synthesis-and-biocompatible-formulations
#4
Elizaveta V Belyaeva, Alina A Markova, Dmitry N Kaluzhnyb, Andrei L Sigan, Lev L Gervitz, Aida N Ataeva, Nikolai D Chkanikov, Alexander A Shtil
: Background. Hypoxia renders tumor cells refractory to treatment. One way to overcome this problem is the design of drug delivery systems that contain the antitumor agent within an oxygen supply medium. OBJECTIVE: to evaluate whether the perfluorocarbon liquids (capable of retaining up to 50% v/v amounts of O2 gas) can be tools for delivery of photosensitizers to hypoxic tumors. METHOD: We synthesized a series of compounds in which fluoroaliphatic or fluoroaromatic moieties were conjugated to the porphyrin ring in meso-positions...
July 19, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28730252/morphological-imaging-and-surgical-aspects-in-a-complex-case-of-uterine-leiomyosarcoma-case-report-and-review-of-the-literature
#5
Aida TincuŢa Petca, Simona Vlădăreanu, Dan Cristian Radu, Mihaela BoŢ, Costin Berceanu, Bogdan Stelian Mastalier Manolescu, Cosmin Medar, Răzvan Cosmin Petca
Leiomyosarcoma is a rare condition so there are relatively few and small case series and no prospective studies to provide clear guidelines regarding management. We report on a case that presents some particularities that further underline diagnostic and treatment difficulties posed by the affliction of such a rare tumor. This is the case of a 43-year-old woman who had a large tumor arising from the uterus, with a spectacular growth rate over a short period. The patient, with congenital spastic tetraparesis and hydrocephalus, came for belly enlargement with rapid increase in size over the previous two months...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28730217/novel-perspectives-on-gastrointestinal-stromal-tumors-gists
#6
Bogdan Stelian Mastalier Manolescu, Cristiana Gabriela Popp, Valentin Popescu, Dan Andraş, Sabina Andrada Zurac, Costin Berceanu, Aida TincuŢa Petca
Since they were described, gastrointestinal stromal tumors (GISTs) are, for pathologists and not only for them, a subject of controversy regarding histological origin, differentiation, nomenclature, malignant potential and prognosis. Before 1998, there were no certainties that GISTs were fundamentally different from other types of abdominal cancers in the big family of mesenchymal tumors. Before the discovery of KIT gene mutations, GISTs were most often classified as leiomyoma, leiomyosarcoma, leiomyoblastoma, and gastrointestinal autonomic nerve tumor...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28729644/erratum-interaction-of-cochlin-and-mechanosensitive-channel-trek-1-in-trabecular-meshwork-cells-influences-the-regulation-of-intraocular-pressure
#7
Teresia A Carreon, Aida Castellanos, Xavier Gasull, Sanjoy K Bhattacharya
A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper.
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28728756/circulating-soluble-urokinase-plasminogen-activator-receptor-levels-and-peripheral-arterial-disease-outcomes
#8
Ayman Samman Tahhan, Salim S Hayek, Pratik Sandesara, Jamal Hajjari, Muhammad Hammadah, Wesley T O'Neal, Heval M Kelli, Ayman Alkhoder, Nima Ghasemzadeh, Yi-An Ko, Hiroshi Aida, Mohamad Mazen Gafeer, Naser Abdelhadi, Kareem Hosny Mohammed, Keyur Patel, Shipra Arya, Jochen Reiser, Viola Vaccarino, Laurence Sperling, Arshed Quyyumi
BACKGROUND AND AIMS: Circulating soluble urokinase plasminogen activator receptor (suPAR) is a marker of immune activation associated with atherosclerosis. Whether suPAR levels are associated with prevalent peripheral arterial disease (PAD) and its adverse outcomes remains unknown and is the aim of the study. METHODS: SuPAR levels were measured in 5810 patients (mean age 63 years, 63% male, 77% with obstructive coronary artery disease [CAD]) undergoing cardiac catheterization...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28728105/discovery-of-imidazopyridines-containing-isoindoline-1-3-dione-framework-as-a-new-class-of-bace1-inhibitors-design-synthesis-and-sar-analysis
#9
Sara Azimi, Afsaneh Zonouzi, Omidreza Firuzi, Aida Iraji, Mina Saeedi, Mohammad Mahdavi, Najmeh Edraki
Alzheimer's disease is characterized by chronic neurodegeneration leading to dementia. The main cause of neurodegeneration is considered to be the accumulation of amyloid-β. Inhibiting BACE1 is a well-studied approach to lower the burden of amyloid-β aggregates. We designed a series of imidazopyridines-based compounds bearing phthalimide moieties as inhibitors of BACE1. The compounds 8a-o were synthesized by the Groebke-Blackburn-Bienaymé three-component reaction of heteroaromatic amidines, aldehydes and isocyanides...
June 24, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28724939/fatty-acid-uptake-in-t-cell-subsets-using-a-quantum-dot-fatty-acid-conjugate
#10
Megan E Muroski, Jason Miska, Alan L Chang, Peng Zhang, Aida Rashidi, Haley Moore, Aurora Lopez-Rosas, Yu Han, Maciej S Lesniak
Fatty acid (FA) metabolism directly influences the functional capabilities of T cells in tumor microenvironments. Thus, developing tools to interrogate FA-uptake by T cell subsets is important for understanding tumor immunosuppression. Herein, we have generated a novel FA-Qdot 605 dye conjugate with superior sensitivity and flexibility to any of the previously commercially available alternatives. For the first time, we demonstrate that this nanoparticle can be used as a specific measure of fatty acid uptake by T cells both in-vitro and in-vivo...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724846/metabolic-and-inflammatory-changes-with-orlistat-and-sibutramine-treatment-in-obese-malaysian-subjects
#11
Belqes Abdullah Mohammad Al-Tahami, Ab Aziz Al-Safi Ismail, Zulkefli Sanip, Zurkurnai Yusoff, Tg Muzaffar Tm Shihabudin, Taran Singh Pall Singh, Aida Hanum Ghulam Rasool
INTRODUCTION: Obesity is associated with numerous health problems, particularly metabolic and cardiovascular complications. This study aimed to assess the effects that, nine months of pharmacological intervention with orlistat or sibutramine, on obese Malaysians' body weight and compositions, metabolic profiles and inflammatory marker. METHODS: Seventy-six obese subjects were randomly placed into two groups. The first group received three daily 120 mg dosages of orlistat for nine months (n=39), and the second group received a once daily 10 or 15 mg dosage of sibutramine for nine months (n=37)...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/28723882/altered-carnitine-homeostasis-in-children-with-increased-pulmonary-blood-flow-due-to-ventricular-septal-defects
#12
Stephen M Black, Aida Field-Ridley, Shruti Sharma, Sanjiv Kumar, Roberta L Keller, Rebecca Kameny, Emin Maltepe, Sanjeev A Datar, Jeffrey R Fineman
OBJECTIVES: Congenital heart disease with increased pulmonary blood flow results in progressive pulmonary vascular endothelial dysfunction and associated increased perioperative morbidity. Using our ovine model of congenital heart disease with increased pulmonary blood flow, we have previously demonstrated progressive endothelial dysfunction associated with disruption in carnitine homeostasis, mitochondrial dysfunction, decreased nitric oxide signaling, and enhanced reactive oxygen species generation...
July 18, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28723837/minimum-effective-volume-of-lidocaine-for-ultrasound-guided-costoclavicular-block
#13
Thitipan Sotthisopha, Maria Francisca Elgueta, Artid Samerchua, Prangmalee Leurcharusmee, Worakamol Tiyaprasertkul, Aida Gordon, Roderick J Finlayson, De Q Tran
BACKGROUND AND OBJECTIVES: This dose-finding study aimed to determine the minimum effective volume in 90% of patients (MEV90) of lidocaine 1.5% with epinephrine 5 μg/mL for ultrasound-guided costoclavicular block. METHODS: Using an in-plane technique and a lateral-to-medial direction, the block needle was positioned in the middle of the 3 cords of the brachial plexus in the costoclavicular space. The entire volume of lidocaine was deposited in this location. Dose assignment was carried out using a biased-coin-design up-and-down sequential method, where the total volume of local anesthetic administered to each patient depended on the response of the previous one...
July 19, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28723187/wearable-flexible-and-stretchable-glove-biosensor-for-on-site-detection-of-organophosphorus-chemical-threats
#14
Rupesh K Mishra, Lee J Hubble, Aida Martín, Rajan Kumar, Abbas Barfidokht, Jayoung Kim, Mustafa M Musameh, Ilias L Kyratzis, Joseph Wang
A flexible glove-based electrochemical biosensor with highly stretchable printed electrode system has been developed as a wearable point-of-use screening tool for defense and food security applications. This disposable-mechanically robust "lab-on-a-glove" integrates a stretchable printable enzyme-based biosensing system and active surface for swipe sampling on different fingers, and is coupled with a compact electronic interface for electrochemical detection and real-time wireless data transmission to a smartphone device...
April 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28721653/comparison-of-flow-cytometry-and-elasa-for-screening-of-proper-candidate-aptamer-in-cell-selex-pool
#15
Maryam Sadat Nabavinia, Fahimeh Charbgoo, Mona Alibolandi, Fatemeh Mosaffa, Aida Gholoobi, Mohammad Ramezani, Khalil Abnous
Aptamers are single-stranded RNA or DNA, which bind to their target with high affinity and specificity. Method of isolating aptamers against cell surface protein is called cell-SELEX. Common approach for monitoring cell-SELEX developed aptamers is flow cytometry. Since flow cytometry is costly and requires sophisticated equipments, we suggested implementing easy access, high throughput enzyme-link apta-sorbent assay test (ELASA) to confirm the specificity of aptamers selected through cell-SELEX process. In this regard, we compared ELASA and flow cytometry techniques in order to screen potent candidate aptamers against A2780 Rcis cell line, which were selected by cell-SELEX...
July 19, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28721332/to-stent-or-not-to-stent-a-tale-of-two-occlusions
#16
Ali S Haider, Lyndon K Lee, Tijani Osumah, Saira Alli, Umair Khan, Steven Vayalumkal, Aida Kafai Golahmadi, Richa Thakur, Phu Nguyen, Kennith F Layton
Stenting and balloon angioplasty, along with mechanical thrombectomy, have gained notability as adjunctive treatment options to intravenous tissue plasminogen activator (IV-tPA) for tandem internal carotid artery (ICA) and middle cerebral artery (MCA) occlusions (TIM occlusions). Acute ischemic strokes (AISs) secondary to TIM occlusions are associated with poor patient outcomes primarily due to low recanalization rates following intravenous thrombolysis, consequently prompting the need for more invasive recanalization efforts...
June 17, 2017: Curēus
https://www.readbyqxmd.com/read/28720870/monocyte-adhesion-to-atherosclerotic-matrix-proteins-is-enhanced-by-asn-gly-arg-deamidation
#17
Bamaprasad Dutta, Jung Eun Park, Subodh Kumar, Piliang Hao, Xavier Gallart-Palau, Aida Serra, Yan Ren, Vitaly Sorokin, Chuen Neng Lee, Hee Hwa Ho, Dominique de Kleijn, Siu Kwan Sze
Atherosclerosis arises from leukocyte infiltration and thickening of the artery walls and constitutes a major component of vascular disease pathology, but the molecular events underpinning this process are not fully understood. Proteins containing an Asn-Gly-Arg (NGR) motif readily undergo deamidation of asparagine to generate isoDGR structures that bind to integrin αvβ3 on circulating leukocytes. Here we report the identification of isoDGR motifs in human atherosclerotic plaque components including extracellular matrix (ECM) proteins fibronectin and tenascin C, which have been strongly implicated in human atherosclerosis...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717667/haploinsufficiency-of-bcl11a-associated-with-cerebellar-abnormalities-in-2p15p16-1-deletion-syndrome
#18
Hiroko Shimbo, Takayuki Yokoi, Noriko Aida, Seiji Mizuno, Hiroshi Suzumura, Junichi Nagai, Kazumi Ida, Yumi Enomoto, Chihiro Hatano, Kenji Kurosawa
BACKGROUND: Chromosome 2p15p16.1 deletion syndrome is a rare genetic disorder characterized by intellectual disability (ID), neurodevelopmental delay, language delay, growth retardation, microcephaly, structural brain abnormalities, and dysmorphic features. More than 30 patients with 2p15p16.1 microdeletion syndrome have been reported in the literature. METHODS: Molecular analysis was performed using microarray-based comparative genomic hybridization (array CGH)...
July 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28714286/mosquitoes-can-harbour-yeasts-of-clinical-significance-and-contribute-to-their-environmental-dissemination
#19
Jovana Bozic, Aida Capone, Dario Pediconi, Priscilla Mensah, Alessia Cappelli, Matteo Valzano, Maria Vittoria Mancini, Patrizia Scuppa, Elena Martin, Sara Epis, Paolo Rossi, Guido Favia, Irene Ricci
There is still a lack of studies on fungal microbiota in mosquitoes, compared to the number available on bacterial microbiota. This study reports the identification of yeasts of clinical significance in laboratory mosquito species: Anopheles gambiae, Anopheles stephensi, Culex quinquefasciatus, Aedes albopictus and Aedes aegypti. Among the yeasts isolated, we focused on the opportunistic pathogen Candida parapsilosis, since there is a need to better understand breakthrough candidaemia with resistance to the usual antifungals, which requires careful consideration in the broad-spectrum therapy, as documented in many clinical reports...
July 17, 2017: Environmental Microbiology Reports
https://www.readbyqxmd.com/read/28708136/differential-requirements-for-tousled-like-kinases-1-and-2-in-mammalian-development
#20
Sandra Segura-Bayona, Philip A Knobel, Helena González-Burón, Sameh A Youssef, Aida Peña-Blanco, Étienne Coyaud, Teresa López-Rovira, Katrin Rein, Lluís Palenzuela, Julien Colombelli, Stephen Forrow, Brian Raught, Anja Groth, Alain de Bruin, Travis H Stracker
The regulation of chromatin structure is critical for a wide range of essential cellular processes. The Tousled-like kinases, TLK1 and TLK2, regulate ASF1, a histone H3/H4 chaperone, and likely other substrates, and their activity has been implicated in transcription, DNA replication, DNA repair, RNA interference, cell cycle progression, viral latency, chromosome segregation and mitosis. However, little is known about the functions of TLK activity in vivo or the relative functions of the highly similar TLK1 and TLK2 in any cell type...
July 14, 2017: Cell Death and Differentiation
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