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A. Salama

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https://www.readbyqxmd.com/read/28340372/shotgun-metagenomic-sequencing-reveals-freshwater-beach-sands-as-reservoir-of-bacterial-pathogens
#1
Mahi M Mohiuddin, Yasser Salama, Herb E Schellhorn, G Brian Golding
Recreational waters and adjacent beach sands harbor complex microbial communities which may contain human pathogens that cannot be detected by conventional methods. Here, we investigate the diversity of bacterial populations inhabiting four freshwater beaches of the Great Lakes region using shotgun metagenomic sequencing approach. Our analysis suggests that average taxonomic richness and alpha diversity are significantly higher (P < 0.001) in beach sands compared to the corresponding water environments...
March 1, 2017: Water Research
https://www.readbyqxmd.com/read/28339548/enhancement-of-the-antidermatophytic-activity-of-silver-nanoparticles-by-q-switched-nd-yag-laser-and-monoclonal-antibody-conjugation
#2
Salama A Ouf, Abdel-Aleam H Mohamed, Amira A El-Adly
The objective of this research was to investigate the effect of silver nanoparticles (AgNPs), free or conjugated with monoclonal antibody and mediated by Q-switched Nd:YAG laser on five dermatophytes. The laser was applied for 45 s at 532 nm and 0.8 J/cm2. The application of AgNPs combined with laser caused an increase in fungal susceptibility compared to application of AgNPs alone. The MIC50 and MIC100 recorded 3 and 9 μg/ml in the case of E. floccosum (the most susceptible species), 10 and 19 μg/ml for T...
October 7, 2016: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28325863/pharmacological-targeting-of-plasmin-prevents-lethality-in-a-murine-model-of-macrophage-activation-syndrome
#3
Hiroshi Shimazu, Shinya Munakata, Yoshihiko Tashiro, Yousef Salama, Douaa Dhahri, Salita Eiamboonsert, Yasunori Ota, Haruo Onoda, Yuko Tsuda, Yoshio Okada, Hiromitsu Nakauchi, Beate Heissig, Koichi Hattori
Macrophage activation syndrome (MAS) is a life-threatening disorder characterized by a cytokine storm and multiorgan dysfunction due to excessive immune activation. Although abnormalities of coagulation and fibrinolysis are major components of MAS, the role of the fibrinolytic system and its key player, plasmin, in the development of MAS remains to be solved. We established a murine model of fulminant MAS by repeated injections of Toll-like receptor-9 (TLR-9) agonist and D-galactosamine (DG) in immunocompetent mice...
March 21, 2017: Blood
https://www.readbyqxmd.com/read/28322469/systemic-treatment-of-severe-adult-atopic-dermatitis-in-clinical-practice-analysis-of-prescribing-pattern-in-a-cohort-of-241-patients
#4
Salama Hegazy, Marie Tauber, Cristina Bulai Livideanu, Claire Uthuriague, Françoise Giordano Labadie, Marie Claude Marguery, Marie Masson Reignault, Maria Polina Konstantinou, Carle Paul
Adult Atopic dermatitis (AD) is a chronic, inflammatory skin disease which may severely impact quality of life. In patients with moderate to severe AD, major defects in skin barrier function and structure have been observed in both non lesional and lesional skin (1).Systemic treatment should be considered in patients who cannot be managed with topical therapies(2). The Guidelines do not give clear recommendations regarding which agents to use first based upon the benefits and risks of available systemic treatments(3)...
March 21, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28322205/factors-influencing-the-long-term-dynamics-of-larval-sea-lice-density-at-east-and-west-coast-locations-in-scotland
#5
Anna J Harte, Alan S Bowman, Nabeil K G Salama, Campbell C Pert
Sea lice (Copepoda: Caligidae) are marine copepods that parasitize finfish, and in cases of high infestation can result in severe epithelial damage and mortality. In Scotland, 2 species of sea louse, Lepeophtheirus salmonis and Caligus elongatus, pose a significant economic burden to the marine Atlantic salmon aquaculture industry and potentially impact wild salmonids. The purpose of this study was to determine how the density of pelagic sea lice is affected by external variables, in order to improve our understanding of sea lice dynamics...
March 21, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28317815/tuberculosis-of-the-wrist-in-children-a-rare-manifestation
#6
El Mouhtadi Aghoutane, Tarik Salama, Redouane El Fezazi
Tuberculosis (TB) is still endemic in many developing countries. Involvement of wrist joint is very rare, and the diagnosis is often missed. We present a case of isolated TB of the wrist, which was confirmed with intraosseous tissue histopathological examination in a 10-year-old boy. Antibacterial chemotherapy during 12 months promoted healing and good outcome.
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28314567/one-attack-on-a-health-worker-is-one-too-many
#7
Marie-Paule Kieny, Peter Salama, Erin Kenney, James Campbell, Tana Wuliji
No abstract text is available yet for this article.
March 14, 2017: Lancet
https://www.readbyqxmd.com/read/28299221/endocrine-mucin-producing-sweat-gland-carcinoma-a-histological-challenge
#8
Mary Anne Brett, Samih Salama, Gabriella Gohla, Salem Alowami
Endocrine mucin-producing sweat gland carcinoma (EMPSGC) is a rare adnexal tumor of the skin with low-grade cytological features and neuroendocrine differentiation. It has a predilection for the skin of the eyelid, but has also been reported in the face and rarely extra-facial locations. The tumor is seen more frequently in women and on average affects the elderly. It is histologically and immunohistochemically analogous to solid papillary carcinoma of the breast/endocrine ductal carcinoma in situ with a nodular, solid, papillary, and/or cribriforming architecture, neuroendocrine differentiation, and mucin production...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28295125/treatment-of-locked-posterior-shoulder-dislocation-with-bone-defect
#9
Yousuf M Khira, Adel M Salama
Locked posterior shoulder dislocation is an uncommon condition and is associated with a reverse Hill-Sachs lesion in 50% of cases. The condition is likely to occur in cases of violent trauma, seizures, or electric shock. Unrecognized dislocation with humeral head fracture affects joint function and humeral head vascularity and may lead to chronic instability, osteonecrosis, and osteoarthritis. A group of 12 patients, including 10 men and 2 women, with neglected locked posterior shoulder dislocation with a reverse Hill-Sachs lesion were treated with the modified McLaughlin technique...
March 14, 2017: Orthopedics
https://www.readbyqxmd.com/read/28289399/auditory-and-vestibular-evoked-potentials-correlate-with-motor-and-non-motor-features-of-parkinson-s-disease
#10
Ali Soliman Shalash, Dalia Mohamed Hassan, Hanan Hani Elrassas, Mohamed Mosaad Salama, Edna Méndez-Hernández, José M Salas-Pacheco, Oscar Arias-Carrión
Degeneration of several brainstem nuclei has been long related to motor and non-motor symptoms (NMSs) of Parkinson's disease (PD). Nevertheless, due to technical issues, there are only a few studies that correlate that association. Brainstem auditory-evoked potential (BAEP) and vestibular-evoked myogenic potential (VEMP) responses represent a valuable tool for brainstem assessment. Here, we investigated the abnormalities of BAEPs, ocular VEMPs (oVEMPs), and cervical VEMPs (cVEMPs) in patients with PD and its correlation to the motor and NMSs...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28287945/gestational-trophoblastic-disease-clinical-and-imaging-features
#11
Akram M Shaaban, Maryam Rezvani, Reham R Haroun, Anne M Kennedy, Khaled M Elsayes, Jeffrey D Olpin, Mohamed E Salama, Bryan R Foster, Christine O Menias
Gestational trophoblastic disease (GTD) is a spectrum of both benign and malignant gestational tumors, including hydatidiform mole (complete and partial), invasive mole, choriocarcinoma, placental site trophoblastic tumor, and epithelioid trophoblastic tumor. The latter four entities are referred to as gestational trophoblastic neoplasia (GTN). These conditions are aggressive with a propensity to widely metastasize. GTN can result in significant morbidity and mortality if left untreated. Early diagnosis of GTD is essential for prompt and successful management while preserving fertility...
March 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28286974/natural-radioactivity-levels-and-associated-health-hazards-from-the-terrestrial-ecosystem-in-rosetta-branch-of-the-river-nile-egypt
#12
W M Abdellah, H M Diab, S U El-Kameesy, E Salama, S El-Framawy
Twenty soil and 25 sediment samples were collected from the banks and bottom of the River Nile in the surroundings of biggest cities located close to it. Natural radioactivity concentrations of (226)Ra, (232)Th and (40)K have been evaluated for all samples by means of γ spectrometric analysis. The radioactivity levels of soil and sediment samples fall within the internationally recommended values. Nevertheless, high natural background radiation zones are detected in the Kafr El-Zayat region due to the presence of a fertilizer factory, and in the Rosetta region due to the presence of black sand deposits...
March 13, 2017: Isotopes in Environmental and Health Studies
https://www.readbyqxmd.com/read/28286324/effects-of-dihydroorotate-dehydrogenase-dhodh-inhibitors-on-the-growth-of-theileria-equi-and-babesia-caballi-in%C3%A2-vitro
#13
Ketsarin Kamyingkird, Shinuo Cao, Bumduuren Tuvshintulga, Akram Salama, Ahmed Abdelmoniem Mousa, Artemis Efstratiou, Yoshifumi Nishikawa, Naoaki Yokoyama, Ikuo Igarashi, Xuenan Xuan
Theileria equi and Babesia caballi are the causative agents of equine piroplasmosis (EP), which affects equine production in various parts of the world. However, a safe and effective drug is not currently available for treatment of EP. Dihydroorotate dehydrogenase (DHODH) is the fourth enzyme in the de novo pyrimidine synthesis pathway and has been known as a novel drug target for several apicomplexan protozoan parasites. In this study, we evaluated four DHODH inhibitors; atovaquone (ATV), leflunomide (LFN), brequinar (Breq), and 7-hydroxy-5-[1,2,4] triazolo [1,5,a] pyrimidine (TAZ) on the growth of T...
March 9, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28277830/can-binimetinib-encorafenib-and-masitinib-be-more-efficacious-than-currently-available-mutation-based-targeted-therapies-for-melanoma-treatment
#14
Megan C Turner, Kara Rossfeld, April K S Salama, Douglas Tyler, Georgia Beasley
Historically, there were few effective and durable treatments for metastatic melanoma. Recently, mutation based targeted therapies have revolutionized treatment and outcomes for patients with metastatic melanoma. Specifically, inhibitors aimed at BRAF, NRAS, and C-KIT mutations are now commonly used in treatment for patients harboring the specific mutations. Areas covered: A brief review of current BRAF, NRAS, and C-KIT inhibitors provides background for a thorough review of newly developed agents namely binimetinib, a MEK inhibitor, encorafenib a BRAF inhibitor, and masitinib which inhibits C-KIT...
March 22, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28277146/efficacy-of-gold-nanoparticles-against-isoproterenol-induced-acute-myocardial-infarction-in-adult-male-albino-rats
#15
Samah M Ahmed, Shaimaa Ali Abdelrahman, Alaa Elsayed Salama
This study was undertaken to investigate the role of gold nanoparticles (GNPs) of 50 nm diameter on isoproterenol (ISO) induced acute myocardial infarction in adult male albino rats. Forty five adult Wistar male albino rats were equally divided into three groups. Control (group I) was further subdivided into three subgroups. In group II, the rats received ISO subcutaneously at a dose of 100 mg/kg for three days. In group III, rats received ISO as group II and then GNPs (400 μg/kg/day) intravenously for 14 consecutive days...
March 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28275330/is-autoimmune-thrombocytopenia-itself-the-primary-disease-in-the-presence-of-second-diseases-data-from-a-long-term-observation
#16
Nasra Aboud, Fabian Depré, Abdulgabar Salama
BACKGROUND: Dependent on the absence or presence of associated diseases, autoimmune thrombocytopenia (ITP) can be classified as primary or secondary form. The manifestation of the associated diseases is not temporally defined and may occur during observation. Thus the question which disease is the primary one remains unanswered. METHODS: All 386 patients included in this study were treated by a single primary physician between 1996 and 2015 at the Charité Berlin and met current ITP criteria...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28273483/ceramide-is-metabolized-to-acylceramide-and-stored-in-lipid-droplets
#17
Can E Senkal, Mohamed F Salama, Ashley J Snider, Janet J Allopenna, Nadia A Rana, Antonius Koller, Yusuf A Hannun, Lina M Obeid
In an approach aimed at defining interacting partners of ceramide synthases (CerSs), we found that fatty acyl-CoA synthase ACSL5 interacts with all CerSs. We demonstrate that ACSL5-generated FA-CoA was utilized with de novo ceramide for the generation of acylceramides, poorly studied ceramide metabolites. Functionally, inhibition of ceramide channeling to acylceramide enhanced accumulation of de novo ceramide and resulted in augmentation of ceramide-mediated apoptosis. Mechanistically, we show that acylceramide generation is catalyzed by diacylglycerol acyltransferase 2 (DGAT2) on lipid droplets...
March 7, 2017: Cell Metabolism
https://www.readbyqxmd.com/read/28271465/porcine-islet-xenografts-a-clinical-source-of-%C3%A3-cell-grafts
#18
REVIEW
Bassem F Salama, Gregory S Korbutt
PURPOSE OF REVIEW: Diabetes is medical and social burden affecting millions around the world. Despite intensive therapy, insulin fails to maintain adequate glucose homeostasis and often results in episodes of hypoglycemic unawareness. Islet transplantation is a propitious replacement therapy, and incremental improvements in islet isolation and immunosuppressive drugs have made this procedure a feasible option. Shortage of donors, graft loss, and toxic immunosuppressive agents are few of many hurdles against making human allogenic islet transplantation a routine procedure...
March 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28271377/solid-organ-infections-rare-complications-after-laparoscopic-sleeve-gastrectomy-a-report-of-four-cases
#19
Mohammed Hamdy Abdelhady, Asaad Fayrouz Salama, Mohsen Karam, Moataz Bashah
BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) is gaining popularity for the treatment of morbid obesity. It is a simple, low-cost procedure resulting in significant weight loss within a short period of time. LSG is a safe procedure with a low complication rate. The most significant complications are staple-line bleeding, stricture, and staple-line leak. Formation of liver and splenic abscesses is an extremely rare consequence of LSG. Liver abscess has been reported in one case report while splenic abscess has been reported in five case reports after LSG...
March 7, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28270519/plasminogen-activator-inhibitor-1-regulates-macrophage-dependent-postoperative-adhesion-by-enhancing-egf-her1-signaling-in-mice
#20
Kumpei Honjo, Shinya Munakata, Yoshihiko Tashiro, Yousef Salama, Hiroshi Shimazu, Salita Eiamboonsert, Douaa Dhahri, Atsuhiko Ichimura, Takashi Dan, Toshio Miyata, Kazuyoshi Takeda, Kazuhiro Sakamoto, Koichi Hattori, Beate Heissig
Adhesive small bowel obstruction remains a common problem for surgeons. After surgery, platelet aggregation contributes to coagulation cascade and fibrin clot formation. With clotting, fibrin degradation is simultaneously enhanced, driven by tissue plasminogen activator-mediated cleavage of plasminogen to form plasmin. The aim of this study was to investigate the cellular events and proteolytic responses that surround plasminogen activator inhibitor (PAI-1; Serpine1) inhibition of postoperative adhesion. Peritoneal adhesion was induced by gauze deposition in the abdominal cavity in C57BL/6 mice and those that were deficient in fibrinolytic factors, such as Plat(-/-) and Serpine1(-/-) In addition, C57BL/6 mice were treated with the novel PAI-1 inhibitor, TM5275...
March 7, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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