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https://www.readbyqxmd.com/read/28436889/design-and-implementation-of-a-tactile-stimulation-device-to-increase-auditory-discrimination
#1
Shahrzad Abbasi Baharanchi, Majid MohammadBeigi, Fatemeh Abnavi, Samira Tavakol
Reading is a complex process that requires various simultaneous brain processes. One of the most common types of reading disorders is developmental dyslexia, and one of the objectives of speech therapy sessions for children with developmental dyslexia is to increase their auditory discrimination. One of the most commonly used Auditory Discrimination Tests (ADTs) is Wepman's Auditory Discrimination Test (WADT). It includes minimal pair words categorized by characteristics of vowels and consonants. The goal of this research is to design and implement a tactile stimulation device based on Wepman's test to increase auditory discrimination in children with developmental dyslexia in therapy sessions, so that while playing each word for the children, vibrational cues are presented to their left palm and fingers...
April 24, 2017: IEEE Transactions on Haptics
https://www.readbyqxmd.com/read/28436321/screening-of-bioactive-compounds-of-medicinal-mushrooms-collected-on-tunisian-territory
#2
Ayda Khadhri, Chedia Aouadhi, Samira Aschi-Smiti
This study is, to our knowledge, the first to investigate the pharmacological importance of wild Tunisian mushrooms. Ethanolic extracts of 5 Tunisian mushrooms-Phellinus torulosus, Fomes fomentarius, Trametes versicolor, Pisolithus albus, and Fomitopsis pinicola-were collected from the Kroumirie Region (North Tunisia). The dry basidomes of mushrooms were extracted using ethanol and evaluated for total polyphenol, flavonoid, flavonol, tannin, proanthocyanidin, and anthocyanin content. In addition, their antioxidant activities were determined using 3 assays (testing 2,2-diphenyl-1-picrylhydrazyl [DPPH] radical scavenging, the reducing power of iron, and the iron-chelating power)...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28435821/utilization-of-pfge-as-a-powerful-discriminative-tool-for-the-investigation-of-genetic-diversity-among-mrsa-strains
#3
Solmaz Ohadian Moghadam, Mohammad Reza Pourmand, Masoumeh Douraghi, Samira Sabzi, Parisa Ghaffari
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) is a significant challenge to the burn patient. The implementation of proper monitoring programs and prompt identification of epidemic MRSA strains are critical to consequently control and eradicate potential outbreaks. This study aimed to define the genetic relatedness of MRSA strains isolated from burn patients by analyzing the large fragments of DNA. METHODS: In this cross-sectional study, 126 pus/wound swabs from skin and soft tissue infections (SSTIs) were collected from inpatients of Shahid Motahari Burn Center (Tehran, Iran) in 2013...
March 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28432369/sensitivity-to-antibiotics-of-bacteria-exposed-to-gamma-radiation-emitted-from-hot-soils-of-the-high-background-radiation-areas-of-ramsar-northern-iran
#4
Seyed Mohammad Javad Mortazavi, Samira Zarei, Mohammad Taheri, Saeed Tajbakhsh, Seyed Alireza Mortazavi, Sahar Ranjbar, Fatemeh Momeni, Samaneh Masoomi, Leila Ansari, Mohammad Mehdi Movahedi, Shahram Taeb, Sina Zarei, Masood Haghani
BACKGROUND: Over the past several years our laboratories have investigated different aspects of the challenging issue of the alterations in bacterial susceptibility to antibiotics induced by physical stresses. OBJECTIVE: To explore the bacterial susceptibility to antibiotics in samples of Salmonella enterica subsp. enterica serovar Typhimurium (S. typhimurium), Staphylococcus aureus, and Klebsiella pneumoniae after exposure to gamma radiation emitted from the soil samples taken from the high background radiation areas of Ramsar, northern Iran...
April 2017: International Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28428668/prognostic-parameters-of-acute-myeloid-leukaemia-at-presentation
#5
Azra Jahic, Ermina Iljazovic, Samira Hasic, Aida Custovic Arnautovic, Damir Sabitovic, Semir Mesanovic, Haris Sahovic, Vlastimir Simendic
INTRODUCTION: The treatment response and outcome in acute myeloid leukaemia (AML) is heterogeneous. AIM: To analyze the prognostic parameters of AML at presentation. METHODS: The total sample of 44 AML patients was analyzed on the basis of age <55 and ≥55 years, sex, WBC count <50x10/(9)/l and ≥50x10/(9)/l, the Hb concentration <100 g/l and ≥100 g/l, PLT count <100x10/(9)/l and ≥100x10/(9)/l, Karnofsky score <60% and >60%, cytogenetics, CD56 expression, morphological type and types of treatment (standard and reduced induction chemotherapy, high-dose chemotherapy/stem cell transplantation - autologous and HLA matched, related, allogeneic, together and separately)...
February 2017: Medical Archives
https://www.readbyqxmd.com/read/28427648/sonochemical-synthesis-characterization-and-effects-of-temperature-power-ultrasound-and-reaction-time-on-the-morphological-properties-of-two-new-nanostructured-mercury-ii-coordination-supramolecule-compounds
#6
Payam Hayati, Ali Reza Rezvani, Ali Morsali, Daniel Ruiz Molina, Samira Geravand, Salvio Suarez-Garcia, Miguel Angel Moreno Villaecija, S García-Granda, Rafael Mendoza-Meroño, Pascal Retailleau
Two new mercury(II) coordination supramolecular compounds (CSCs) (1D and 0D), [Hg(L)(I)2]n (1) and [Hg2(L')2(SCN)2]·2H2O (2) (L=2-amino-4-methylpyridine and L'=2,6-pyridinedicarboxlic acid), have been synthesized under different experimental conditions. Micrometric crystals (bulk) or nano-sized materials have been obtained depending on using the branch tube method or sonochemical irradiation. All materials have been characterized by field emission scanning electron microscope (FESEM), scanning electron microscopy (SEM), powder X-ray diffraction (PXRD) and FT-IR spectroscopy...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28426392/design-and-validation-of-a-new-method-to-detect-and-quantify-residual-host-cell-dna-in-human-recombinant-erythropoietin-repo
#7
Shima Zamanian, Samira Mohammadi-Yeganeh, Vahid Kia, Hooman Kaghazian, Mahdi Paryan
During the purification of Human Recombinant EPO (rEPO) from host cells, residual DNA may remain in final products. This contamination is a risk factor for patients and may result in the inactivation of some tumor suppressor genes (TSG) or activation of oncogenes if its concentration is more than the standard defined by WHO. Based on WHO's criteria, acceptable level of residual DNA in biopharmaceuticals is less than 10-100 picograms/dose. In this study we have designed a sensitive and specific Quantitative Real-time PCR assay for detection of residual DNA in human rEPO products...
April 20, 2017: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/28422413/essential-oils-as-biocides-for-the-control-of-fungal-infections-and-devastating-pest-tuta-absoluta-of-tomato-lycopersicon-esculentum-mill
#8
Samira Bouayad Alam, Mohammed El Amine Dib, Nassim Djabou, Boufeldja Tabti, Nassira Guaouar, Jean Costa, Alain Muselli
Thymus capitatus and Tetraclinis articulata essential oils as well their major components (carvacrol and α-pinene) were evaluated for their antifungal and insecticidal activities. Both oils showed good in vitro antifungal activity against Fusarium oxysporum, Aspergillus niger, Penicillium sp, Alternaria alternata and Botrytis cinerea, the fungi causing tomato rot. In vivo results indicate the efficacies of both essential oils and carvacrol of reduce postharvest fungal pathogens, such as B. cinerea and A. alternata that are responsible of black and gray rot of tomato fruit...
April 19, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28419078/targeting-of-ccbe1-by-mir-330-3p-in-human-breast-cancer-promotes-metastasis
#9
Aruz Mesci, Xiaoyong Huang, Samira Taeb, Sahar Jahangiri, Yohan Kim, Emmanouil Fokas, Jeff Bruce, Hon S Leong, Stanley K Liu
BACKGROUND: MicroRNAs (miRs) are involved in the regulation of many processes that contribute to malignancy, including cell proliferation, radiation resistance, invasion and metastasis. The role of miR-330-3p, an miR upregulated in breast cancer, remains unclear. METHODS: We examine the association of miR-330-3p with distant relapse-free survival in the Oxford cohort of breast cancer patients. We also study miR-330-3p function using in vitro invasion and ex ovo metastasis assays...
April 18, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28406967/differential-transcriptome-analysis-supports-rhodnius-montenegrensis-and-rhodnius-robustus-hemiptera-reduviidae-triatominae-as-distinct-species
#10
Danila Blanco de Carvalho, Carlos Congrains, Samira Chahad-Ehlers, Heloisa Pinotti, Reinaldo Alves de Brito, João Aristeu da Rosa
Chagas disease is one of the main parasitic diseases found in Latin America and it is estimated that between six and seven million people are infected worldwide. Its etiologic agent, the protozoan Trypanosoma cruzi, is transmitted by triatomines, some of which from the genus Rhodnius. Twenty species are currently recognized in this genus, including some closely related species with low levels of morphological differentiation, such as Rhodnius montenegrensis and Rhodnius robustus. In order to investigate genetic differences between these two species, we generated large-scale RNA-sequencing data (consisting of four RNA-seq libraries) from the heads and salivary glands of males of R...
2017: PloS One
https://www.readbyqxmd.com/read/28404952/high-throughput-detection-of-clinically-targetable-alterations-using-next-generation-sequencing
#11
Julie A Vendrell, David Grand, Isabelle Rouquette, Valérie Costes, Samira Icher, Janick Selves, Marion Larrieux, Aurore Barbe, Pierre Brousset, Jérôme Solassol
Next-generation sequencing (NGS) has revolutionized the therapeutic care of patients by allowing high-throughput and parallel sequencing of large numbers of genes in a single run. However, most of available commercialized cancer panels target a large number of mutations that do not have direct therapeutic implications and that are not fully adapted to low quality formalin-fixed, paraffin-embedded (FFPE) samples. Here, we designed an amplicon-based NGS panel assay of 16 currently actionable genes according to the most recent recommendations of the French National Cancer Institute (NCI)...
March 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28401468/morphological-and-molecular-characterization-of-fusarium-spp-associated-with-olive-trees-dieback-in-tunisia
#12
Rahma Trabelsi, Hanen Sellami, Yâakoub Gharbi, Samira Krid, Manel Cheffi, Sonia Kammoun, Mariem Dammak, Aymen Mseddi, Radhouane Gdoura, Mohamed Ali Triki
Dieback and wilting symptoms caused by complex soilborne fungi are nowadays the most serious threatening disease affecting olive trees (Olea europaea) in Tunisia and presumably in many Mediterranean basin countries. Fusarium is one of the important phytopathogenic genera associated with dieback symptoms of olive trees. The objective of the present study was to confirm the pathogenicity of Fusarium spp. isolated from several olive-growing areas in Tunisia. According to the pathogenic test done on young olive trees (cv...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28400295/phic31-integrase-can-improve-the-efficiency-of-different-construct-designs-for-monoclonal-antibody-expression-in-cho-cells
#13
Maryam Ahmadi, Fereidoun Mahboudi, Samira Ahmadi, Saeedeh Ebadat, Fatemeh Nematpour, Mohammad Reza Akbari Eidgahi, Fatemeh Davami
OBJECTIVES: Several types of expression vectors have been used for recombinant protein expression in Chinese hamster ovary cells (CHO) which usually result in variable and unstable levels of expression. METHODS AND RESULTS: In this study, we have compared the mAb0014 expression level of single ORF/IRES vector and dual ORF vector in the presence and absence of phiC31 integrase targeting system. Both expression vectors contain an elongation factor 1α (EF1α) promoter upstream of LC and harboring an attB site...
April 9, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/28400143/loss-of-predator-aversion-in-female-rats-after-toxoplasma-gondii-infection-is-not-dependent-on-ovarian-steroids
#14
Samira Abdulai-Saiku, Ajai Vyas
Toxoplasma gondii infection reduces aversion to cat odors in male rats. Relevant proximate mechanisms include interaction of gonadal testosterone and brain nonapeptide arginine-vasopressin. Both of these substrates are sexually dimorphic with preferential expression in males; suggesting either absence of behavioral change in females or mediation by analogous neuroendocrine substrates. Here we demonstrate that Toxoplasma gondii infection reduces aversion to cat odor in female rats. This change is not accompanied by altered steroid hormones; cannot be rescued by gonadal removal; and, does not depend on arginine-vasopressin...
April 9, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28389295/a-meta-analysis-of-long-term-mortality-and-associated-risk-factors-following-lower-extremity-amputation
#15
REVIEW
Jordan R Stern, Christopher Kevin Wong, Marina Yerovinkina, Stephanie J Spindler, Ashley S See, Samira Panjaki, Sarah L Loven, Rick F D'Andrea, Roman Nowygrod
BACKGROUND: A majority of patients undergoing lower limb amputations have diabetes or peripheral artery disease. Despite improvements in care, there remains a substantial perioperative mortality associated with these procedures. Less well-defined is the mortality risk to these patients going forward, once outside the perioperative period. The aim of this systematic review is to summarize and pool the available data in order to determine the long term mortality associated with amputation in the diabetic and peripheral vascular patient, as well as to define specific factors associated with increased mortality risk...
April 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28386490/an-uncommon-cause-of-a-small-bowel-obstruction
#16
Ali Zakaria, Bayan Al Share, Issam Turk, Samira Ahsan, Waseem Farra
Sarcoidosis is a systemic granulomatous disease of unknown etiology, characterized by the formation of noncaseating granulomas. Gastrointestinal (GI) system involvement that is clinically recognizable occurs in less than 0.9% of patients with sarcoidosis, with data revealing small intestine involvement in 0.03% of the cases. A high index of suspension is required in patients presenting with small-bowel obstruction and previous history of sarcoidosis. Establishing a definitive diagnosis of GI sarcoidosis depends on biopsy evidence of noncaseating granulomas, exclusion of other causes of granulomatous disease, and evidence of sarcoidosis in at least one other organ system...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28384972/comparison-of-cone-beam-computed-tomography-and-multi-slice-computed-tomography-image-quality-of-human-dried-mandible-using-10-anatomical-landmarks
#17
Samira Saati, Fatemeh Kaveh, Shiva Yarmohammadi
INTRODUCTION: Cone Beam Computed Tomography (CBCT) has gained a broad acceptance in dentomaxillofacial imaging. Computed Tomography (CT) is another imaging modality for diagnosis and preoperative assessments of the head and neck region. AIM: Considering the increased radiation exposure and high cost of CT, this study sought to subjectively assess the image quality of CBCT and Multi Slice CT (MSCT). MATERIALS AND METHODS: A dry human mandible was scanned by five CBCT systems (New Tom 3G, Scanora, CRANEX 3D, Promax and Galileos) and one MSCT system...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28384245/imported-human-brucellosis-in-belgium-bio-and-molecular-typing-of-bacterial-isolates-1996-2015
#18
Delphine Hanot Mambres, Samira Boarbi, Patrick Michel, Nora Bouker, Luisa Escobar-Calle, Damien Desqueper, Tiziano Fancello, Marjan Van Esbroeck, Jacques Godfroid, David Fretin, Marcella Mori
OBJECTIVES: The aim of this study was to characterize by classical biotyping and Multi-Locus variable number tandem repeats (VNTR) Analysis (MLVA) all Brucella spp. derived from human cases in Belgium from 1996 to 2015. Final goals were to determine the species and biovar, to trace-back on genetic grounds the origin of each strain when patient history and risk factors were missing, and to survey for particular trends at the national level. METHODS: A total of 37 Brucella strains, isolated from 37 patients in Belgium, were analyzed by both classical biotyping and MLVA, and the genetic patterns compared to those of human strains isolated worldwide...
2017: PloS One
https://www.readbyqxmd.com/read/28382194/wound-healing-activity-of-extracts-and-formulations-of-aloe-vera-henna-adiantum-capillus-veneris-and-myrrh-on-mouse-dermal-fibroblast-cells
#19
Samira Negahdari, Hamid Galehdari, Mahnaz Kesmati, Anahita Rezaie, Gholamreza Shariati
BACKGROUND: Among the most important factors in wound healing pathways are transforming growth factor beta1 and vascular endothelial growth factor. Fibroblasts are the main cell in all phases wound closure. In this study, the extracts of plant materials such as Adiantum capillus-veneris, Commiphora molmol, Aloe vera, and henna and one mixture of them were used to treatment of normal mouse skin fibroblasts. METHODS: Cytotoxic effects of each extract and their mixture were assessed on mouse skin fibroblasts cells using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay...
2017: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28381415/her2-overexpressing-breast-cancers-amplify-fgfr-signaling-upon-acquisition-of-resistance-to-dual-therapeutic-blockade-of-her2
#20
Ariella B Hanker, Joan G Garrett, Monica Valeria Estrada, Preston D Moore, Paula G Ericsson, James P Koch, Emma Langley, Sharat Singh, Phillip S Kim, Garrett M Frampton, Eric M Sanford, Philip Owns, Jennifer Becker, M Reid Groseclose, Stephen Castellino, Heikki Joensuu, Jens Huober, Jan C Brase, Majjaj Samira, Sylvain Brohée, David Venet, David Brown, José Baselga, Martine Piccart, Christos Sotiriou, Carlos L Arteaga
Dual blockade of HER2 with trastuzumab and lapatinib or pertuzumab has been shown to be superior to single-agent trastuzumab. However, a significant fraction of HER2-overexpressing (HER2+) breast cancers escape from these drug combinations. In this study, we sought to discover the mechanisms of acquired resistance to the combination of lapatinib + trastuzumab.<br /><br />Experimental Design: HER2+ BT474 xenografts were treated with lapatinib + trastuzumab long-term until resistance developed. Potential mechanisms of acquired resistance were evaluated in lapatinib + trastuzumab-resistant (LTR) tumors by targeted capture next-generation sequencing...
April 5, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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