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https://www.readbyqxmd.com/read/28432566/four-new-species-of-dactylogyrus-diesing-1850-monogenea-dactylogyridae-parasitising-the-gills-of-northern-moroccan-luciobarbus-heckel-cyprinidae-morphological-and-molecular-characterisation
#1
Imane Rahmouni, Eva Řehulková, Antoine Pariselle, Ouafae Berrada Rkhami, Andrea Šimková
Four new species of Dactylogyrus Diesing, 1850 are described from the gills of three species of Luciobarbus Heckel collected from various hydrographical basins in northern Morocco: Dactylogyrus scorpius n. sp. from Luciobarbus rifensis Doadrio, Casal-Lopez & Yahyaoui; D. benhoussai n. sp. from L. moulouyensis Pellegrin; and D. varius n. sp. and D. falsiphallus n. sp. from L. maghrebensis Doadrio, Perea & Yahyaoui. The descriptions of the new species are confirmed by molecular data (partial 18S rDNA, ITS1, and partial 28S rDNA sequences)...
April 21, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28430292/failure-of-the-vascular-hypothesis-of-multiple-sclerosis-in-a-rat-model-of-chronic-cerebrospinal-venous-insufficiency
#2
Maha M A Zakaria, Shahira Y Mikhael, Azza K Abu Hussein, Rania A Salah El-Din, Hany W Abd El-Malak, Iman H Hewedi, Hany S Nadim
<i>Chronic cerebrospinal venous insufficiency (CCSVI) is a series of stenotic malformations in the cerebrospinal venous outflow routes, which is postulated to cause multiple sclerosis (MS). The hypotheses assumed that CCSVI leads to iron deposition which triggers inflammation and demyelination in MS. Invasive endovascular treatment of CCSVI was initiated based on the previous theory. The present study was designed to validate this hypothesis using a rat model of CCSVI. Bilateral jugular vein ligation (JVL) was performed on female albino rats (n = 15), and sham-operated rats (n = 15) were used as a control group...
2017: Folia Neuropathologica
https://www.readbyqxmd.com/read/28422190/current-carried-by-the-slc26-family-member-prestin-does-not-flow-through-the-transporter-pathway
#3
Jun-Ping Bai, Iman Moeini-Naghani, Sheng Zhong, Fang-Yong Li, Shumin Bian, Fred J Sigworth, Joseph Santos-Sacchi, Dhasakumar Navaratnam
Prestin in the lateral membrane of outer hair cells, is responsible for electromotility (EM) and a corresponding nonlinear capacitance (NLC). Prestin's voltage sensitivity is influenced by intracellular chloride. A regulator of intracellular chloride is a stretch-sensitive, non-selective conductance within the lateral membrane, GmetL. We determine that prestin itself possesses a stretch-sensitive, non-selective conductance that is largest in the presence of thiocyanate ions. This conductance is independent of the anion transporter mechanism...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28419498/perceptions-and-experiences-of-marriage-preparation-among-u-s-muslims-multiple-voices-from-the-community
#4
Amal Killawi, Elham Fathi, Iman Dadras, Manijeh Daneshpour, Arij Elmi, Hamada Altalib
Although Muslims in the United States are a growing population, there is limited research on their relational patterns and how they prepare for marriage. We conducted in-depth interviews with 32 members of the Muslim community in Southeast Michigan including married individuals, divorced individuals, therapists, and imams (Muslim religious leaders) to explore their perceptions and experiences of marriage preparation. Our analysis revealed that marriage preparation varies but is less likely to involve a requirement of premarital counseling, with imams being the primary providers, not therapists...
April 17, 2017: Journal of Marital and Family Therapy
https://www.readbyqxmd.com/read/28417029/contraceptive-utilisation-among-mothers-of-reproductive-age-in-ajman-united-arab-emirates
#5
Naila Kanwal, Jayakumary Muttappallymyalil, Shatha Al-Sharbatti, Iman Ismail
OBJECTIVES: This study aimed to determine contraceptive utilisation among mothers aged 18-49 years old in Ajman, United Arab Emirates (UAE). METHODS: This cross-sectional study was carried out from May to November 2013. A total of 400 participants were recruited from two primary healthcare centres and one private hospital in Ajman. An interviewer-administered validated questionnaire was used for data collection. RESULTS: The frequency of previous and current contraceptive use was 68...
February 2017: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/28416601/csreport-a-new-computational-tool-designed-for-automatic-analysis-of-class-switch-recombination-junctions-sequenced-by-high-throughput-sequencing
#6
François Boyer, Hend Boutouil, Iman Dalloul, Zeinab Dalloul, Jeanne Cook-Moreau, Jean-Claude Aldigier, Claire Carrion, Bastien Herve, Erwan Scaon, Michel Cogné, Sophie Péron
B cells ensure humoral immune responses due to the production of Ag-specific memory B cells and Ab-secreting plasma cells. In secondary lymphoid organs, Ag-driven B cell activation induces terminal maturation and Ig isotype class switch (class switch recombination [CSR]). CSR creates a virtually unique IgH locus in every B cell clone by intrachromosomal recombination between two switch (S) regions upstream of each C region gene. Amount and structural features of CSR junctions reveal valuable information about the CSR mechanism, and analysis of CSR junctions is useful in basic and clinical research studies of B cell functions...
April 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28415483/an-investigation-of-electrospun-henna-leaves-extract-loaded-chitosan-based-nanofibrous-mats-for-skin-tissue-engineering
#7
Iman Yousefi, Mehdi Pakravan, Hoda Rahimi, Abbas Bahador, Zahra Farshadzadeh, Ismael Haririan
Wound healing characteristics of some plant extracts have been well known for many years, and they have been utilized for such applications in traditional way. Recently electrospun nanofibrous mats showed promising properties for tissue engineering and especially for skin repair. It is expected that incorporation of plant extracts into such structures could provide higher performance and synergistic effect for biomedical and wound healing applications. The final purpose of this study is to fabricate chitosan based nanofiber mats loaded with a traditional plant extract of Lawsonia inermis (Henna) leaves to enhance the antibacterial efficacy and wound healing of the precursor nanofibers...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28414922/three-new-active-members-of-the-i-onui-family-of-homing-endonucleases
#8
Iman M Bilto, Tuhin Kumar Guha, Alvan Wai, Georg Hausner
In vitro characterization of three LAGLIDADG-type homing endonucleases (I-CcaI, I-CcaII and I-AstI) that belong to the I-OnuI family showed that they are functional homing endonucleases that cleave their respective cognate target sites. These endonucleases are encoded within group ID introns and appear to be orthologs that have inserted into three different mitochondrial genes, rns, rnl and cox3, respectively. The endonuclease activity of I-CcaI was tested using various substrates and its minimum DNA recognition sequence was estimated to be 26 nt...
April 17, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28414800/semantic-prioritization-of-novel-causative-genomic-variants
#9
Imane Boudellioua, Rozaimi B Mahamad Razali, Maxat Kulmanov, Yasmeen Hashish, Vladimir B Bajic, Eva Goncalves-Serra, Nadia Schoenmakers, Georgios V Gkoutos, Paul N Schofield, Robert Hoehndorf
Discriminating the causative disease variant(s) for individuals with inherited or de novo mutations presents one of the main challenges faced by the clinical genetics community today. Computational approaches for variant prioritization include machine learning methods utilizing a large number of features, including molecular information, interaction networks, or phenotypes. Here, we demonstrate the PhenomeNET Variant Predictor (PVP) system that exploits semantic technologies and automated reasoning over genotype-phenotype relations to filter and prioritize variants in whole exome and whole genome sequencing datasets...
April 17, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28413419/role-of-vitamin-d-on-glycemic-control-and-oxidative-stress-in-type-2-diabetes-mellitus
#10
Mostafa Saif-Elnasr, Iman M Ibrahim, Manal M Alkady
BACKGROUND: Vitamin D deficiency may play a key role in the development of impaired glucose tolerance, type 2 diabetes mellitus (T2DM), and metabolic syndrome. Several studies have shown that Vitamin D has an antioxidant property. We aimed to investigate 25-hydroxy Vitamin D (25[OH]D) levels in patients with T2DM and in nondiabetic healthy controls and to ascertain the impact of 25(OH)D levels on glycemic control and oxidative stress in T2DM patients. MATERIALS AND METHODS: Thirty male patients with T2DM and twenty age- and socioeconomic status-matched male healthy controls were included in the study...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28411434/synthesis-and-characterization-of-nife2o4-cu-nanoparticles-as-a-magnetically-recoverable-catalyst-for-reduction-of-nitroarenes-to-arylamines-with-nabh4
#11
Behzad Zeynizadeh, Iman Mohammadzadeh, Zahra Shokri, Seyed Ali Hosseini
In this research, a simple and efficient method for synthesis of magnetically separable NiFe2O4@Cu nanocomposite under co-precipitation conditions was described. X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), atomic absorption spectroscopy (AAS), Brunauer-Emmett-Teller (BET) and vibrating sample magnetometer (VSM) analyses confirmed the construction of NiFe2O4@Cu nanoparticles. The prepared core-shell nanocomposite showed a satisfactory catalytic activity for NaBH4 reduction of nitroarenes to arylamines...
March 7, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28410397/a-bis-sulphamoylated-estradiol-derivative-induces-ros-dependent-cell-cycle-abnormalities-and-subsequent-apoptosis
#12
Michelle Helen Visagie, Iman van den Bout, Anna Margaretha Joubert
Clinical trials have revealed that the potential anticancer agent, 2-methoxyestradiol (2ME2) has limitations due to its low bioavailability. Subsequently, 2ME2 derivatives including (8R,13S,14S,17S)-2-ethyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrane-3,17-diyl bis(sulphamate) (EMBS) have shown improved efficacies in inducing apoptosis. However, no conclusive data exist to explain the mode of action exerted by these drugs. This study investigated the mode of action used by EMBS as a representative of the sulphamoylated 2ME2 derivatives...
2017: PloS One
https://www.readbyqxmd.com/read/28408459/epcr-expression-marks-um171-expanded-cd34-cord-blood-stem-cells
#13
Iman Fares, Jalila Chagraoui, Bernhard Lehnertz, Tara MacRae, Nadine Mayotte, Elisa Tomellini, Léo Aubert, Philippe P Roux, Guy Sauvageau
A small subset of human cord blood CD34(+) cells express endothelial protein c receptor (EPCR/CD201/PROCR) when exposed to hematopoietic stem cell (HSC) self-renewal agonist UM171. Here we show that EPCR-positive UM171-treated cells, as opposed to EPCR-negative cells, exhibit robust multi-lineage repopulation and serial reconstitution ability in immunocompromised mice. In contrast to other stem cell markers such as CD38, EPCR expression is maintained when cells are introduced in culture, irrespective of UM171 treatment...
April 13, 2017: Blood
https://www.readbyqxmd.com/read/28406547/factors-affecting-smartphone-adoption-for-accessing-information-in-medical-settings
#14
Iman Tahamtan, Sara Pajouhanfar, Shahram Sedghi, Mohsen Azad, Masoud Roudbari
OBJECTIVES: This study aimed to acquire knowledge about the factors affecting smartphone adoption for accessing information in medical settings in Iranian Hospitals. METHODS: A qualitative and quantitative approach was used to conduct this study. Semi-structured interviews were conducted with 21 medical residents and interns in 2013 to identify determinant factors for smartphone adoption. Afterwards, nine relationships were hypothesised. We developed a questionnaire to test these hypotheses and to evaluate the importance of each factor...
April 13, 2017: Health Information and Libraries Journal
https://www.readbyqxmd.com/read/28398442/synthesis-of-ahmod-containing-aminolipopeptides-unique-bioactive-peptaibiotics
#15
REVIEW
Louise A Stubbing, Iman Kavianinia, Margaret A Brimble
An interesting family of bioactive aminolipopeptides contain the unusual building block 2-amino-6-hydroxy-4-methyl-8-oxodecanoic acid (AHMOD). This building block has presented a significant challenge to synthesis of this family of aminolipopeptides due to the sensitive β-hydroxyketone motif present. The discovery and identification, syntheses, and eventual incorporation of synthetically challenging AHMOD into selected aminolipopeptides is described herein.
April 11, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28397481/diagnosis-of-hepatitis-c-virus-infection-using-a-novel-mouse-monoclonal-antibody-to-detect-serum-hcv-e1-e2-antigens
#16
Iman Touni, Ashraf A Tabll, Shaimaa S Sobieh, Maha A Hewedy, Yasmine S El Abd, Sergei Viazov
BACKGROUND: Hepatitis C virus (HCV) is a major cause of liver disease worldwide and in Egypt. The aim of this study was to detect HCV E1/E2 antigens using a novel mouse monoclonal antibody (mAb) designated (7G9) as a diagnostic and alternative approach for HCV detection. METHODS: The detection of HCV-E1/E2 antigens in 138 patients positive for HCV infection tested by RT-PCR and 25 healthy individuals negative for HCV as control group was done by an optimized in-house ELISA and DotELISA (based on the molecular mimicry of E2 to immunoglobulins)...
April 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28396821/effects-of-resolution-and-registration-algorithm-on-the-accuracy-of-epi-vnavs-for-real-time-head-motion-correction-in-mri
#17
Yingzhuo Zhang, Iman Aganj, André J W van der Kouwe, M Dylan Tisdall
Low-resolution, EPI-based Volumetric Navigators (vNavs) have been used as a prospective motion-correction system in a variety of MRI neuroimaging pulse sequences. The use of low-resolution volumes represents a trade-off between motion tracking accuracy and acquisition time. However, this means that registration must be accurate on the order of 0.2 voxels or less to be effective for motion correction. While vNavs have shown promising results in clinical and research use, the choice of navigator and registration algorithm have not previously been systematically evaluated...
June 2016: Conference on Computer Vision and Pattern Recognition Workshops
https://www.readbyqxmd.com/read/28396717/annexin-a2-as-a-biomarker-for-hepatocellular-carcinoma-in-egyptian-patients
#18
Mohamed K Shaker, Hanzada I Abdel Fattah, Ghada S Sabbour, Iman F Montasser, Sara M Abdelhakam, Eman El Hadidy, Rehab Yousry, Ahmed K El Dorry
AIM: To investigate the clinical utility of serum annexin A2 (ANXA2) as a diagnostic marker for early hepatocellular carcinoma (HCC). METHODS: This study was performed in HCC Clinic of Ain Shams University Hospitals, Cairo, Egypt and included: Group 1: Fifty patients with early stage HCC (Barcelona Clinic Liver Cancer stage A); Group 2: Twenty five patients with chronic liver disease; and Control Group: Fifteen healthy, age- and sex-matched subjects who were seronegative for viral hepatitis markers...
March 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28393684/generation-of-the-fluorescent-hmgb1-gfp-fusion-protein-in-insect-cells-and-evaluation-of-its-immunogenicity-in-two-mice-models
#19
Ali Anvar, Rouhollah Vahabpour, Iman Salahshourifar, Azam Bolhassani
High mobility group box 1 (HMGB1) is a highly conserved protein present in the nuclei and cytoplasm of cells which has an important role as a mediator of inflammation in the extracellular environment. HMGB1 was identified as an innate adjuvant that induces immune responses against soluble antigens in vivo. In the current study, we used a baculovirus expression system for insect cells that was based on expression of HMGB1 with target gene (GFP), and purified the recombinant HMGB1-GFP fusion protein. We then demonstrated whether immunogenicity of GFP changes in the presence or absence of recombinant HMGB1 acting as an adjuvant in C57BL/6 and BALB/c mice...
April 4, 2017: Protein and Peptide Letters
https://www.readbyqxmd.com/read/28392983/effects-of-online-group-exercises-for-older-adults-on-physical-psychological-and-social-wellbeing-a-randomized-pilot-trial
#20
Marcos Baez, Iman Khaghani Far, Francisco Ibarra, Michela Ferron, Daniele Didino, Fabio Casati
BACKGROUND: Intervention programs to promote physical activity in older adults, either in group or home settings, have shown equivalent health outcomes but different results when considering adherence. Group-based interventions seem to achieve higher participation in the long-term. However, there are many factors that can make of group exercises a challenging setting for older adults. A major one, due to the heterogeneity of this particular population, is the difference in the level of skills...
2017: PeerJ
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