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https://www.readbyqxmd.com/read/28426344/primary-pediatric-breast-lesions-comparing-the-prevalence-of-malignancies-in-the-middle-east-with-north-america-review-of-1031-cases
#1
Justine S Broecker, Nasim Khoshnam, Laura Thompson, Shady Anis, Nora Kamal, Scott Gillespie, Diana Kantarovich, Diana Metry, Mary Pate Mills, Rachel Drummey, Brianna Williams, Bahig M Shehata
Benign breast masses are uncommon but are becoming more recognized among the pediatric population. Malignant breast lesions are very rare. The aim of our study was to review and compare the demographics, clinical presentation, treatment, and outcomes of breast lesions, including primary malignancies, and to discuss theories that may explain why there is an increased rate of breast cancers diagnosed at a younger age in the Egyptian population. A total of 1031 cases were reviewed. Comparisons were made between the Egyptian (n = 846) and US (n = 185) cohorts...
April 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/28425126/novel-sequence-variants-in-the-liph-and-lpar6-genes-underlies-autosomal-recessive-woolly-hair-hypotrichosis-in-consanguineous-families
#2
Farooq Ahmad, Salma Sharif, Muhammad Furqan Ubaid, Khadim Shah, Muhammad Nasim Khan, Muhammad Umair, Zahid Azeem, Wasim Ahmad
Autosomal-recessive woolly hair/hypotrichosis (ARWH/H) is a rare genetic disorder of hair caused by variants in the LIPH and LPAR6 genes. The disease is characterized by congenital tightly curled hair leading to sparse hair later in life. In the present report genetic characterization of three consanguineous families of Pakistani origin, displaying clinical features of ARWH/H, was performed. Haplotype and DNA sequence analysis of the LIPH gene revealed a novel homozygous nonsense variant (c.688C > T; p...
April 19, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28424788/fully-automated-robust-system-to-detect-retinal-edema-central-serous-chorioretinopathy-and-age-related-macular-degeneration-from-optical-coherence-tomography-images
#3
Samina Khalid, M Usman Akram, Taimur Hassan, Ammara Nasim, Amina Jameel
Maculopathy is the excessive damage to macula that leads to blindness. It mostly occurs due to retinal edema (RE), central serous chorioretinopathy (CSCR), or age related macular degeneration (ARMD). Optical coherence tomography (OCT) imaging is the latest eye testing technique that can detect these syndromes in early stages. Many researchers have used OCT images to detect retinal abnormalities. However, to the best of our knowledge, no research that presents a fully automated system to detect all of these macular syndromes is reported...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28424567/access-barriers-to-services-by-immigrant-mothers-of-children-with-autism-in-canada
#4
Nazilla Khanlou, Nasim Haque, Nida Mustafa, Luz Maria Vazquez, Anne Mantini, Jonathan Weiss
Equal access for autism services remains suboptimal for diverse groups. In Canada, little is known about the barriers immigrant mothers face accessing services and support for their children with developmental disabilities. In this qualitative study, 21 immigrant mothers of children with Autism, from a diverse ethno cultural background, were interviewed in Toronto, Canada. We apply House's (1981) four domains of social support to analyze findings. Structural support challenges, such as delays in diagnosis, fragmented and dispersed services were common, followed by instrumental challenges due to loss of social ties and stigma...
2017: International Journal of Mental Health and Addiction
https://www.readbyqxmd.com/read/28417035/jaw-osteomyelitis-as-a-complication-of-sickle-cell-anaemia-in-three-omani-patients-case-reports-and-literature-review
#5
Hilal Al-Ismaili, Omar Nasim, Abdulaziz Bakathir
Sickle cell anaemia (SCA) is a common haemoglobinopathy among people from the Middle East, the Afro-Caribbean region, the Mediterranean and East India. While osteomyelitis of the long bones is a well-documented complication of SCA, there are few documented cases of SCA patients presenting with jaw osteomyelitis. We report three SCA patients with chronic jaw osteomyelitis who presented to the Department of Oral Health, Sultan Qaboos University Hospital, Muscat, Oman, between 2009 and 2013. Two of the patients had osteomyelitis of the mandible and the third had osteomyelitis of the maxilla...
February 2017: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/28414024/novel-high-throughput-cell-based-hybridoma-screening-methodology-using-the-celigo-image-cytometer
#6
Haohai Zhang, Leo Li-Ying Chan, William Rice, Nasim Kassam, Maria Serena Longhi, Haitao Zhao, Simon C Robson, Wenda Gao, Yan Wu
Hybridoma screening is a critical step for antibody discovery, which necessitates prompt identification of potential clones from hundreds to thousands of hybridoma cultures against the desired immunogen. Technical issues associated with ELISA- and flow cytometry-based screening limit accuracy and diminish high-throughput capability, increasing time and cost. Conventional ELISA screening with coated antigen is also impractical for difficult-to-express hydrophobic membrane antigens or multi-chain protein complexes...
April 14, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28409427/environment-polluting-conventional-chemical-control-compared-to-an-environmentally-friendly-ipm-approach-for-control-of-diamondback-moth-plutella-xylostella-l-in-china-a-review
#7
Muhammad Shakeel, Muhammad Farooq, Wajid Nasim, Waseem Akram, Fawad Zafar Ahmad Khan, Waqar Jaleel, Xun Zhu, Haichen Yin, Shuzhong Li, Shah Fahad, Saddam Hussain, Bhagirath Singh Chauhan, Fengliang Jin
The diamondback moth, Plutella xylostella, is recognized as a widely distributed destructive insect pest of Brassica worldwide. The management of this pest is a serious issue, and an estimated annual cost of its management has reached approximately US$4 billion. Despite the fact that chemicals are a serious threat to the environment, lots of chemicals are applied for controlling various insect pests especially P. xylostella. An overreliance on chemical control has not only led to the evolution of resistance to insecticides and to a reduction of natural enemies but also has polluted various components of water, air, and soil ecosystem...
April 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28393053/the-effect-of-topical-tranexamic-acid-on-bleeding-reduction-during-functional-endoscopic-sinus-surgery
#8
Mohammad Hossein Baradaranfar, Mohammad Hossein Dadgarnia, Hossein Mahmoudi, Nasim Behniafard, Saeid Atighechi, Vahid Zand, Amin Baradaranfar, Sedighe Vaziribozorg
INTRODUCTION: Bleeding is a common concern during functional endoscopic sinus surgery (FESS) that can increase the risk of damage to adjacent vital elements by reducing the surgeon's field of view. This study aimed to explore the efficacy of topical tranexamic acid in reducing intraoperative bleeding. MATERIALS AND METHODS: This double-blind, randomized clinical trial was conducted in 60 patients with chronic rhinosinusitis with polyposis (CRSwP) who underwent FESS...
March 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28383829/poly-ethylene-glycol-based-hydrogels-as-self-inflating-tissue-expanders-with-tunable-mechanical-and-swelling-properties
#9
Mahsa Jamadi, Parvin Shokrollahi, Behzad Houshmand, Mortaza Daliri Joupari, Fatemeh Mashhadiabbas, Ali Khademhosseini, Nasim Annabi
Tissue expansion is used by plastic/reconstructive surgeons to grow additional skin/tissue for replacing or repairing lost or damaged soft tissues. Recently, hydrogels have been widely used for tissue expansion applications. Herein, a self-inflating tissue expander blend composition from three different molecular weights (2, 6, and 10 kDa) of poly (ethylene glycol) diacrylate (PEGDA) hydrogel with tunable mechanical and swelling properties is presented. The in vitro results demonstrate that, of the eight studied compositions, P6 (PEGDA 6 kDa:10 kDa (50:50)) and P8 (PEGDA 6 kDa:10 kDa (35:65)) formulations provide a balance of mechanical property and swelling capability suitable for tissue expansion...
April 6, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28378305/water-saving-technologies-affect-the-grain-characteristics-and-recovery-of-fine-grain-rice-cultivars-in-semi-arid-environment
#10
Khawar Jabran, Muhammad Riaz, Mubshar Hussain, Wajid Nasim, Umar Zaman, Shah Fahad, Bhagirath Singh Chauhan
Growing rice with less water is direly needed due to declining water sources worldwide, but using methods that require less water inputs can have an impact on grain characteristics and recovery. A 2-year field study was conducted to evaluate the impact of conventionally sown flooded rice and low-water-input rice systems on the grain characteristics and recovery of fine rice. Three fine grain rice cultivars-Super Basmati, Basmati 2000, and Shaheen Basmati-were grown under conventional flooded transplanted rice (CFTR), alternate wetting and drying (AWD), and aerobic rice systems...
April 4, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28376175/evaluation-of-polygenic-risk-scores-for-breast-and-ovarian-cancer-risk-prediction-in-brca1-and-brca2-mutation-carriers
#11
Karoline B Kuchenbaecker, Lesley McGuffog, Daniel Barrowdale, Andrew Lee, Penny Soucy, Joe Dennis, Susan M Domchek, Mark Robson, Amanda B Spurdle, Susan J Ramus, Nasim Mavaddat, Mary Beth Terry, Susan L Neuhausen, Rita Katharina Schmutzler, Jacques Simard, Paul D P Pharoah, Kenneth Offit, Fergus J Couch, Georgia Chenevix-Trench, Douglas F Easton, Antonis C Antoniou
Background: Genome-wide association studies (GWAS) have identified 94 common single-nucleotide polymorphisms (SNPs) associated with breast cancer (BC) risk and 18 associated with ovarian cancer (OC) risk. Several of these are also associated with risk of BC or OC for women who carry a pathogenic mutation in the high-risk BC and OC genes BRCA1 or BRCA2. The combined effects of these variants on BC or OC risk for BRCA1 and BRCA2 mutation carriers have not yet been assessed while their clinical management could benefit from improved personalized risk estimates...
July 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28363129/severe-camphor-poisoning-a-seven-year-observational-study
#12
Mitra Rahimi, Fatemeh Shokri, Hossein Hassanian-Moghaddam, Nasim Zamani, Abdolkarim Pajoumand, Shahin Shadnia
In a retrospective case series from 2007 to 2014, we searched for any accidental/intentional, and recreational cases of pure camphor poisoning through hospital records. Epidemiological data, as well as factors correlated with seizure, were evaluated. Thirty cases including 29 males were recruited with a median age of 18 years (range; 0.2-87). Patient's reported ingestion rate of camphor was 1.5-15 grams. Almost all of the patients (96.7%) were conscious on arrival time and the ingestion to the presentation time ratio was 7±5h...
March 21, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28359938/effect-of-antimicrobial-photodynamic-therapy-on-the-counts-of-salivary-streptococcus-mutans-in-children-with-severe-early-childhood-caries
#13
Reza Fekrazad, Bahman Seraj, Nasim Chiniforush, Mehrak Rokouei, Niloofar Mousavi, Sara Ghadimi
BACKGROUND: Antimicrobial photodynamic therapy (aPDT) is a novel technique for reduction of pathogenic microorganisms in dentistry. The aim of this study was to evaluate the effects of aPDT on Streptococcus mutans reduction in children with severe early childhood caries. METHODS: Twenty-two children with severe early childhood caries aged 3 to 6 years were treated with toluoidine blue O (TBO) for 1 minute and irradiated by a Light Emitting Diode (LED; FotoSan, CMS Dental, Denmark) with the exposure time of 150seconds...
March 27, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28349824/increased-efficacy-of-a-dendritic-cell-based-therapeutic-cancer-vaccine-with-adenosine-receptor-antagonist-and-cd73-inhibitor
#14
Samaneh Arab, Nasim Kheshtchin, Maryam Ajami, Mahbubeh Ashurpoor, Aida Safvati, Afshin Namdar, Reza Mirzaei, Neda Mousavi Niri, Farhad Jadidi-Niaragh, Mohammad Hossein Ghahremani, Jamshid Hadjati
Dendritic cells are important in initiating immune responses; therefore, a range of dendritic cell-based approaches have been established to induce immune response against cancer cells. However, the presence of immunosuppressive mediators such as adenosine in the tumor microenvironment reduces the efficacy of dendritic cell-based cancer immunotherapy. In this study, we investigated whether blockade of the A2A adenosine receptor with a selective antagonist and a CD73 inhibitor may increase the efficacy of a dendritic cell-based cancer vaccine...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345744/eleven-years-of-children-methadone-poisoning-in-a-referral-center-a-review-of-453-cases
#15
Hossein Hassanian-Moghaddam, Masumeh Hakiminejhad, Fariba Farnaghi, Amirhossein Mirafzal, Nasim Zamani, Ali Kabir
OBJECTIVES: Methadone can be fatal due to respiratory failure even in little doses. This study aimed to evaluate the possible risk factors of death and/or intubation in methadone-poisoned children of 12 years or younger. DESIGN: Retrospective routine database study. SETTING: The only tertiary hospital for children poisoning in Tehran. PATIENTS: Four hundred fifty-three methadone-poisoned patients aged 12 or younger were studied between 2001 and 2012...
January 2017: Journal of Opioid Management
https://www.readbyqxmd.com/read/28343599/presence-characteristics-and-volumes-of-coronary-plaque-determined-by-computed-tomography-angiography-in-young-type-2-diabetes-mellitus
#16
Negin Nezarat, Matthew J Budoff, Yanting Luo, Sirous Darabian, Rine Nakanishi, Dong Li, Nasim Sheidaee, Michael Kim, Anas Alani, Suguru Matsumoto, Sina Rahmani, Mitsuru Kanisawa, Indre Ceponiene, Kazuhiro Osawa, Hong Qi, Sajad Hamal, Pieter Kitslaar, Alexander Broersen, Ferdinand Flores, Eli Ipp, Bahram Khazai
Prevention and management of coronary artery disease (CAD) is of great concern in patients with diabetes mellitus. Although the impact of coronary atherosclerosis is described well for subjects older than 40 years, the prevalence and types of coronary atherosclerosis in young patients are not well known. The aim of this study was to evaluate the prevalence, extent, severity, and volumes of coronary plaque in type 2 diabetes mellitus (T2DM) population younger than of 40 years. This prospective study enrolled 181 subjects (25-40 year old) undergoing coronary computed tomography angiography, with 86 T2DM and 95 nondiabetic age/gender-matched subjects...
March 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28336896/nanofibrous-silver-coated-polymeric-scaffolds-with-tunable-electrical-properties
#17
Adnan Memic, Musab Aldhahri, Ali Tamayol, Pooria Mostafalu, Mohamed Shaaban Abdel-Wahab, Mohamadmahdi Samandari, Kamyar Mollazadeh Moghaddam, Nasim Annabi, Sidi A Bencherif, Ali Khademhosseini
Electrospun micro- and nanofibrous poly(glycerol sebacate)-poly(ε-caprolactone) (PGS-PCL) substrates have been extensively used as scaffolds for engineered tissues due to their desirable mechanical properties and their tunable degradability. In this study, we fabricated micro/nanofibrous scaffolds from a PGS-PCL composite using a standard electrospinning approach and then coated them with silver (Ag) using a custom radio frequency (RF) sputtering method. The Ag coating formed an electrically conductive layer around the fibers and decreased the pore size...
March 13, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28336296/serotonin-and-dopamine-transporter-pet-changes-in-the-premotor-phase-of-lrrk2-parkinsonism-cross-sectional-studies
#18
Daryl J Wile, Pankaj A Agarwal, Michael Schulzer, Edwin Mak, Katherine Dinelle, Elham Shahinfard, Nasim Vafai, Kazuko Hasegawa, Jing Zhang, Jessamyn McKenzie, Nicole Neilson, Audrey Strongosky, Ryan J Uitti, Mark Guttman, Cyrus P Zabetian, Yu-Shin Ding, Mike Adam, Jan Aasly, Zbigniew K Wszolek, Matthew Farrer, Vesna Sossi, A Jon Stoessl
BACKGROUND: People with Parkinson's disease can show premotor neurochemical changes in the dopaminergic and non-dopaminergic systems. Using PET, we assessed whether dopaminergic and serotonin transporter changes are similar in LRRK2 mutation carriers with Parkinson's disease and individuals with sporadic Parkinson's disease, and whether LRRK2 mutation carriers without motor symptoms show PET changes. METHODS: We did two cross-sectional PET studies at the Pacific Parkinson's Research Centre in Vancouver, BC, Canada...
May 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28335201/size-and-shape-dependent-antibacterial-studies-of-silver-nanoparticles-synthesized-by-wet-chemical-routes
#19
Muhammad Akram Raza, Zakia Kanwal, Anum Rauf, Anjum Nasim Sabri, Saira Riaz, Shahzad Naseem
Silver nanoparticles (AgNPs) of different shapes and sizes were prepared by solution-based chemical reduction routes. Silver nitrate was used as a precursor, tri-sodium citrate (TSC) and sodium borohydride as reducing agents, while polyvinylpyrrolidone (PVP) was used as a stabilizing agent. The morphology, size, and structural properties of obtained nanoparticles were characterized by scanning electron microscopy (SEM), UV-visible spectroscopy (UV-VIS), and X-ray diffraction (XRD) techniques. Spherical AgNPs, as depicted by SEM, were found to have diameters in the range of 15 to 90 nm while lengths of the edges of the triangular particles were about 150 nm...
April 15, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28332767/bcap31-associated-encephalopathy-and-complex-movement-disorder-mimicking-mitochondrial-encephalopathy
#20
Saleh Albanyan, Amal Al Teneiji, Nasim Monfared, Saadet Mercimek-Mahmutoglu
BCAP31, encoded by BCAP31, is involved in the export of transmembrane proteins from the endoplasmic reticulum. Pathogenic variants in BCAP31 results in global developmental delay, dystonia, deafness and dysmorphic features in males, called deafness, dystonia, and cerebral hypomyelination (DDCH) syndrome. We report a new patient with BCAP3-associated encephalopathy, DDCH syndrome, sensorineural hearing loss, generalized dystonia, and choreoathetosis. This 3.5-year-old boy had microcephaly and failure to thrive within the first 3 months of life...
March 23, 2017: American Journal of Medical Genetics. Part A
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