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https://www.readbyqxmd.com/read/28103386/paraoxonase-1-activity-is-related-to-trichinella-spiralis-induced-hepatitis-in-rats
#1
Ayman Samir Farid, Eman Mohamed Fath, Shogo Mido, Nariaki Nonaka, Yoichiro Horii
BACKGROUND: Little is known about the potential adverse effects of a chronic zoonotic nematode Trichinella spiralis infection on hepatic inflammation and its relationship to paraoxonase (PON)-1 and butyrylcholinesterase (BuChE) activities. Therefore, we aimed to examine the effects of T. spiralis infection on hepatic synthesis of PON1. METHODS: Wistar rats were infected with 2500 first-stage larvae of T. spiralis and serum PON1 and BuChE activities were evaluated...
January 19, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28103238/weak-genetic-structure-in-northern-african-dromedary-camels-reflects-their-unique-evolutionary-history
#2
Youcef Amine Cherifi, Suheil Bechir Semir Gaouar, Rosangela Guastamacchia, Khalid Ahmed El-Bahrawy, Asmaa Mohammed Aly Abushady, Abdoallah Aboelnasr Sharaf, Derradji Harek, Giovanni Michele Lacalandra, Nadhira Saïdi-Mehtar, Elena Ciani
Knowledge on genetic diversity and structure of camel populations is fundamental for sustainable herd management and breeding program implementation in this species. Here we characterized a total of 331 camels from Northern Africa, representative of six populations and thirteen Algerian and Egyptian geographic regions, using 20 STR markers. The nineteen polymorphic loci displayed an average of 9.79 ± 5.31 alleles, ranging from 2 (CVRL8) to 24 (CVRL1D). Average He was 0.647 ± 0.173. Eleven loci deviated significantly from Hardy-Weinberg proportions (P<0...
2017: PloS One
https://www.readbyqxmd.com/read/28103144/role-of-different-natural-antioxidants-in-the-modulation-of-mrna-expression-of-apoptotic-molecules-in-the-livers-of-carbon-tetrachloride-intoxicated-rats
#3
Nouf M Al-Rasheed, Naglaa F El-Orabi, Laila Mohamed Fadda, Hanaa Mahmoud Ali, Nawal M Al-Rasheed, Yieldez Bassiouni, Abeer Mohammad Aldbass
Overexpression of nuclear factor (NF-κB) or activation of Smad3 by transforming growth factor β (TGF-β1) induced by oncogenes results in overexpression of fibrotic processes and hence cell death. The objective of this study is to examine whether Silymarin (Sil) alone or in combination with Vitamin E (Vit E) and/or Curcumin (Cur) plays a modulatory role against the overexpression of NF-κB, and TGF-β that induced in response to carbon tetrachloride (CCl4) administration. The present work revealed that CCl4 induced elevation of in serum alanine aminotransferase (ALT), Apoptosis regulator (Bax), Smad3, TGF-β, and NF-kB hepatic mRNA expression (using Real-time PCR), administration of Sil alone downregulated these expressions...
January 19, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28103046/food-protein-based-core-shell-nanocarriers-for-oral-drug-delivery-effect-of-shell-composition-on-in-vitro-and-in-vivo-functional-performance-of-zein-nanocarriers
#4
Mohammed S Alqahtani, Md Saiful Islam, Satheesh Podaralla, Radhey S Kaushik, Joshua J Reineke, Tofuko Woyengo, Omathanu Perumal
The study was aimed at systematically investigating the influence of shell composition on the particle size, stability, release, cell uptake, permeability and in-vivo gastrointestinal distribution of food protein-based nanocarriers for oral delivery applications. Three different core-shell nanocarriers were prepared using food-grade biopolymers including zein-casein (ZC) nanoparticles, zein-lactoferrin (ZLF) nanoparticles and zein-PEG (ZPEG) micelles. Nile red was used as a model hydrophobic dye for in-vitro studies...
January 19, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28102973/precision-medicine-in-copd-are-we-making-it-too-difficult
#5
EDITORIAL
Pim A de Jong, Firdaus Mohamed Hoesein
No abstract text is available yet for this article.
February 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28102940/effect-of-cast-modification-on-denture-base-adaptation-following-maxillary-complete-denture-processing
#6
Mohammed E Sayed, Amit Porwal, David Ehrenberg, Saul Weiner
PURPOSE: To investigate the effect of cast modifications on denture base adaptation in coronal and sagittal projections following maxillary complete denture processing. MATERIALS AND METHODS: A total of 60 edentulous maxillary casts (n = 10) were distributed among six groups. Group 1 was the control group with no modification, groups 2 through 6 included a butterfly postdam preparation, groups 3 and 4 also included a 10-mm wide/4-mm deep box with addition of four round holes in group 4, and groups 5 and 6 also included a 20-mm wide/4-mm deep box with addition of four round holes in group 6...
January 19, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28102922/effect-of-the-unfilled-space-size-of-the-abutment-screw-access-hole-on-the-extruded-excess-cement-and-retention-of-single-implant-zirconia-crowns
#7
Sulieman S Al-Johany, Mohammad D Al Amri, Ahmed S Al-Bakri, Mohammed N Al-Qarni
PURPOSE: To evaluate in vitro the effect of the size of the unfilled space of the abutment screw access hole on the amount of extruded excess cement and the retention of zirconia copings. MATERIALS AND METHODS: Twelve dental implant replicas were attached to the corresponding abutments and embedded in acrylic resin blocks. A total of 36 CAD/CAM zirconia copings were fabricated by one technician using the standard technique. Abutments were divided into group I: the entire screw access channel was completely filled (nonspaced); group II: 1-mm-spaced; and group III: 2-mm-spaced...
January 19, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28102765/pyrimidine-non-nucleoside-analogs-a-direct-synthesis-of-a-novel-class-of-n-substituted-amino-and-n-sulfonamide-derivatives-of-pyrimidines
#8
Galal H Elgemeie, Ali M Salah, Nermeen S Abbas, Hoda A Hussein, Reham A Mohamed
A convenient method for the regioselective synthesis of pyrimidine non-nucleoside analogs was developed. This study reports a novel and efficient method for the synthesis of a new type of N-substituted amino methylsulfanylpyrimidines and the corresponding pyrazolo[3,4-d]pyrimidines. This series of compounds was designed through the reaction of dimethyl N-cyanodithioiminocarbonate with 2-cyano-N'-(thiophen-2-yl-, furan-2-yl- and pyridin-4-ylmethylene)acetohydrazide and N'-(2-cyanoacetyl)arylsulfonohydrazides...
January 19, 2017: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/28102635/characterization-of-an-emirati-tmem138-mutation-leading-to-joubert-syndrome
#9
Sami Bizzari, Abdul Rezzak Hamzeh, Pratibha Nair, Madiha Mohamed, Fatma Bastaki
No abstract text is available yet for this article.
January 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28101875/sustanon-induces-dose-independent-hypertrophy-and-satellite-cell-proliferation-in-slow-oxidative-fibers-of-avian-skeletal-muscle
#10
Mohammed Z Allouh, Ahmad A Jarrar, Hasan A Asfour, Raed S Said, Emad I Shaqoura
Sustanon is a well-known anabolic drug that is used to treat hypogonadism and restore muscle mass and bone density. As research to date has been limited to its effects in glycolytic fibers, this study aimed to investigate the dose-related effects of Sustanon on the oxidative fibers of avian skeletal muscle. Adult female chickens were randomly divided into 4 groups: control (C), received a dose of 100 μl normal saline per injection; and Sustanon-1, -2, and -3 (S1, S2, and S3), that received a dose of 12.5, 25, or 50 mg/kg Sustanon per injection, respectively...
January 19, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28101411/simultaneous-multimodal-ophthalmic-imaging-using-swept-source-spectrally-encoded-scanning-laser-ophthalmoscopy-and-optical-coherence-tomography
#11
Joseph D Malone, Mohamed T El-Haddad, Ivan Bozic, Logan A Tye, Lucas Majeau, Nicolas Godbout, Andrew M Rollins, Caroline Boudoux, Karen M Joos, Shriji N Patel, Yuankai K Tao
Scanning laser ophthalmoscopy (SLO) benefits diagnostic imaging and therapeutic guidance by allowing for high-speed en face imaging of retinal structures. When combined with optical coherence tomography (OCT), SLO enables real-time aiming and retinal tracking and provides complementary information for post-acquisition volumetric co-registration, bulk motion compensation, and averaging. However, multimodality SLO-OCT systems generally require dedicated light sources, scanners, relay optics, detectors, and additional digitization and synchronization electronics, which increase system complexity...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28101403/quantitative-assessment-of-hemodynamic-and-structural-characteristics-of-in-vivo-brain-tissue-using-total-diffuse-reflectance-spectrum-measured-in-a-non-contact-fashion
#12
Yinchen Song, Sarahy Garcia, Yisel Frometa, Jessica C Ramella-Roman, Mohammad Soltani, Mohamed Almadi, Jorge J Riera, Wei-Chiang Lin
Here we present a new methodology that investigates the intrinsic structural and hemodynamic characteristics of in vivo brain tissue, in a non-contact fashion, and can be easily incorporated in an intra-operative environment. Within this methodology, relative total diffuse reflectance spectra (RTD(λ)) were acquired from targets using a hybrid spectroscopy imaging system. A spectral interpretation algorithm was subsequently applied to RTD(λ) to retrieve optical properties related to the compositional and structural characteristics of each target...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28101313/a-young-adult-with-unintended-acute-intravenous-iron-intoxication-treated-with-oral-chelation-the-use-of-liver-ferriscan-for-diagnosing-and-monitoring-tissue-iron-load
#13
Mohamed Yassin, Ashraf T Soliman, Vincenzo De Sanctis, Abbas Moustafa, Sandra Abou Samaan, Abdulqadir Nashwan
Acute iron intoxication (FeI) in humans has not been adequately studied. The manifestation of FeI, defined as a serum iron concentration >300 μg/dL (55 μmol/L) within 12 hours of ingestion, include various symptoms appearing in progressive stages. Systemic toxicity is expected with an intake of 60 mg/kg. A 27-year-old female nurse presented with unintended acute intravenous iron intoxication (FeI) a week after self-injecting herself with 20 ampoules of IV iron (4,000 mg elemental iron, 60 mg/kg). She had stable vital signs and mild hepatic tenderness...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28101307/review-and-recommendations-on-management-of-adult-female-thalassemia-patients-with-hypogonadism-based-on-literature-review-and-experience-of-icet-a-network-specialists
#14
REVIEW
Vincenzo De Sanctis, Ashraf T Soliman, Heba Elsedfy, Alice Albu, Soad Al Jaouni, Salvatore Anastasi, Maria Grazia Bisconte, Duran Canatan, Soteroula Christou, Shahina Daar, Salvatore Di Maio, Mohamed El Kholy, Doaa Khater, Mohamed Elshinawy, Yurdanur Kilinc, Roberto Mattei, Hala H Mosli, Alessandra Quota, Maria Grazia Roberti, Praveen Sobti, Saif Al Yaarubi, Saveria Canpisi, Christos Kattamis
BACKGROUND: Multi-transfused thalassemia major (TM) patients frequently develop severe endocrine complications, mainly due to iron overload, anemia, and chronic liver disease, which require prompt diagnosis, treatment and follow-up by specialists. The most common endocrine complication documented is hypogonadotropic hypogonadism which increases with age and associated comorbidities. It is thus important for physicians to have a clear understanding of the pathophysiology and management of this disorder...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28101128/simultaneous-determination-of-newly-developed-antiviral-agents-in-pharmaceutical-formulations-by-hplc-dad
#15
Nourah Zoman Al-Zoman, Hadir Mohamed Maher, Amal Al-Subaie
BACKGROUND: Ombitasvir/paritaprevir/ritonavir/dasabuvir (Viekira Pak(®)) are the newest medicines approved for use in the treatment of hepatitis C virus (HCV) and are available in tablet form as an oral combination. Specifically, these agents are indicated in the treatment of HCV in patients with genotype 1 infection. Due to the therapeutic importance and increased use of Viekira Pak, proper methods for its determination in bulk and pharmaceutical formulations must be developed. RESULTS: The present study describes the development and validation of a simple, rapid, selective and economical reverse phase high performance liquid chromatography-diode array detection (HPLC-DAD) method for the simultaneous determination of paritaprevir (PAR), ombitasvir (OMB), dasabuvir(DAS) and ritonavir (RIT) in bulk and pharmaceutical preparations...
2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/28100701/self-cytoplasmic-dna-upregulates-the-mutator-enzyme-apobec3a-leading-to-chromosomal-dna-damage
#16
Rodolphe Suspène, Bianka Mussil, Hélène Laude, Vincent Caval, Noémie Berry, Mohamed S Bouzidi, Valérie Thiers, Simon Wain-Hobson, Jean-Pierre Vartanian
Foreign and self-cytoplasmic DNA are recognized by numerous DNA sensor molecules leading to the production of type I interferons. Such DNA agonists should be degraded otherwise cells would be chronically stressed. Most human APOBEC3 cytidine deaminases can initiate catabolism of cytoplasmic mitochondrial DNA. Using the human myeloid cell line THP-1 with an interferon inducible APOBEC3A gene, we show that cytoplasmic DNA triggers interferon α and β production through the RNA polymerase III transcription/RIG-I pathway leading to massive upregulation of APOBEC3A By catalyzing C→U editing in single stranded DNA fragments, the enzyme prevents them from re-annealing so attenuating the danger signal...
January 18, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28100643/fluid-shear-stress-increases-transepithelial-transport-of-ca2-in-ciliated-distal-convoluted-and-connecting-tubule-cells
#17
Sami G Mohammed, Francisco J Arjona, Femke Latta, René J M Bindels, Ronald Roepman, Joost G J Hoenderop
In kidney, transcellular transport of Ca(2+) is mediated by transient receptor potential vanilloid 5 and Na(+)-Ca(2+) exchanger 1 proteins in distal convoluted and connecting tubules (DCT and CNT, respectively). It is not yet understood how DCT/CNT cells can adapt to differences in tubular flow rate and, consequently, Ca(2+) load. This study aims to elucidate the molecular mechanisms by which DCT/CNT cells sense fluid dynamics to control transepithelial Ca(2+) reabsorption and whether their primary cilia play an active role in this process...
January 18, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28100471/valve-thrombosis-following-transcatheter-aortic-valve-replacement-significance-of-blood-stasis-on-the-leaflets
#18
Koohyar Vahidkhah, Mohammed Barakat, Mostafa Abbasi, Shahnaz Javani, Peyman N Azadani, Anwar Tandar, Danny Dvir, Ali N Azadani
OBJECTIVES: Leaflet thrombosis following transcatheter aortic valve replacement (TAVR) and valve-in-valve (ViV) procedures has been increasingly recognized. However, the factors affecting the post-TAVR/ViV thrombosis are not fully understood. This study aimed to investigate the effect of the geometric confinement of transcatheter aortic valve (TAV) on blood residence time (BRT) on the TAV leaflets and in turn on the post-TAVR valve thrombosis. METHODS: Two computational models, representing a surgical bioprosthesis and a TAV, were developed to study the effect of the geometric confinement on BRT on the leaflets in ViV setting/TAVR Intra-annular positioning...
January 17, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28100469/immunohistochemical-phenotype-of-breast-cancer-during-25-year-follow-up-of-the-royal-marsden-tamoxifen-prevention-trial
#19
Simone Detre, Susan Ashley, Kabir Mohammed, Ian E Smith, Trevor Powles, Mitch Dowsett
Background The randomized double-blinded Royal Marsden Tamoxifen Breast Cancer Prevention Trial in healthy high-risk women started in 1986 and is still blinded. 2471 eligible participants were randomly assigned to tamoxifen (20mg/day) or placebo for 8 years. Analysis in 2006 showed a 30% risk reduction of ER-positive invasive breast cancer mostly in the post treatment period. Biomarker analysis in this population may identify any sub-group specific preventive effects tamoxifen. Methods After a median follow-up of 18...
January 18, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28100452/development-and-validation-of-an-electronic-frailty-index-using-routine-primary-care-electronic-health-record-data
#20
Andrew Clegg, Chris Bates, John Young, Ronan Ryan, Linda Nichols, Elizabeth Ann Teale, Mohammed A Mohammed, John Parry, Tom Marshall
No abstract text is available yet for this article.
January 17, 2017: Age and Ageing
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