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A. Salama

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https://www.readbyqxmd.com/read/28934680/a-phase-1-study-of-the-janus-kinase-2-jak2-v617f-inhibitor-gandotinib-ly2784544-in-patients-with-primary-myelofibrosis-polycythemia-vera-and-essential-thrombocythemia
#1
Srdan Verstovsek, Ruben A Mesa, Mohamed E Salama, Li Li, Celine Pitou, Fabio P Nunes, Gregory L Price, Jennifer L Giles, Deborah N D'Souza, Richard A Walgren, Josef T Prchal
Mutations in Janus kinase 2 (JAK2) are implicated in the pathogenesis of Philadelphia-chromosome negative myeloproliferative neoplasms, including primary myelofibrosis, polycythemia vera, and essential thrombocythemia. Gandotinib (LY2784544), a potent inhibitor of JAK2 activity, shows increased potency for the JAK2(V617F) mutation. The study had a standard 3+3 dose-escalation design to define the maximum-tolerated dose. Primary objectives were to determine safety, tolerability, and recommended oral daily dose of gandotinib for patients with JAK2(V617F)-positive myelofibrosis, essential thrombocythemia, or polycythemia vera...
August 31, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28930753/camel-milk-attenuates-rheumatoid-arthritis-via-inhibition-of-mitogen-activated-protein-kinase-pathway
#2
Hany H Arab, Samir A Salama, Tamer M Abdelghany, Hany A Omar, El-Shaimaa A Arafa, Majed M Alrobaian, Ibrahim A Maghrabi
BACKGROUND/AIMS: Camel milk (CM) has shown beneficial anti-inflammatory actions in several experimental and clinical settings. So far, its effect on rheumatoid arthritis (RA) has not been previously explored. Thus, the current work aimed to evaluate the effects of CM in Adjuvant-induced arthritis and air pouch edema models in rats, which mimic human RA. METHODS: CM was administered at 10 ml/kg orally for 3 weeks starting on the day of Freund's adjuvant paw inoculation...
September 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28926616/co-ordinated-activation-of-classical-and-novel-pkc-isoforms-is-required-for-pma-induced-mtorc1-activation
#3
Mengling Liu, Christopher J Clarke, Mohamed F Salama, Yeon Ja Choi, Lina M Obeid, Yusuf A Hannun
Protein kinase C (PKC) has been shown to activate the mammalian target of rapamycin complex 1 (mTORC1) signaling pathway, a central hub in the regulation of cell metabolism, growth and proliferation. However, the mechanisms by which PKCs activate mTORC1 are still ambiguous. Our previous study revealed that activation of classical PKCs (cPKC) results in the perinuclear accumulation of cPKC and phospholipase D2 (PLD2) in recycling endosomes in a PLD2-dependent manner. Here, we report that mTORC1 activation by phorbol 12,13-myristate acetate (PMA) requires both classic, cPKC, and novel PKC (nPKC) isoforms, specifically PKCη, acting through distinct pathways...
2017: PloS One
https://www.readbyqxmd.com/read/28923769/reconstitutable-spray-dried-ultra-fine-dispersion-as-a-robust-platform-for-effective-oral-delivery-of-an-antihyperlipidemic-drug
#4
Mona Basha, Alaa H Salama, Sally El Awdan
The current article highlights the application of spray drying technique to produce an ultra-fine powder encapsulating the antihyperlipidemic drug, atorvastatin calcium (ATV). First, ATV was dissolved in an emulsion formulation, and different carriers (pectin, alginate, chitosan HCl and hydroxypropylmethyl cellulose) in two concentrations (1.5 and 3%) were added. Then, these carrier-containing formulations were subjected to spray drying, whereby ultra-fine ATV-loaded spray dried emulsions were produced (ATV-SDE)...
September 15, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28922336/improving-women-s-health-in-low-income-and-middle-income-countries-part-i-challenges-and-priorities
#5
Giuliano Mariani, Joanna Kasznia-Brown, Diana Paez, Miriam N Mikhail, Dina H Salama, Neerja Bhatla, Paola A Erba, Ravi Kashyap
No abstract text is available yet for this article.
September 15, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28902913/identification-of-diverse-viruses-in-upper-respiratory-samples-in-dromedary-camels-from-united-arab-emirates
#6
Yan Li, Abdelmalik Ibrahim Khalafalla, Clinton R Paden, Mohammed F Yusof, Yassir M Eltahir, Zulaikha M Al Hammadi, Ying Tao, Krista Queen, Farida Al Hosani, Susan I Gerber, Aron J Hall, Salama Al Muhairi, Suxiang Tong
Camels are known carriers for many viral pathogens, including Middle East respiratory syndrome coronavirus (MERS-CoV). It is likely that there are additional, as yet unidentified viruses in camels with the potential to cause disease in humans. In this study, we performed metagenomic sequencing analysis on nasopharyngeal swab samples from 108 MERS-CoV-positive dromedary camels from a live animal market in Abu Dhabi, United Arab Emirates. We obtained a total of 846.72 million high-quality reads from these nasopharyngeal swab samples, of which 2...
2017: PloS One
https://www.readbyqxmd.com/read/28900904/lonoctocog-alfa-a-review-in-haemophilia-a
#7
Zaina T Al-Salama, Lesley J Scott
Lonoctocog alfa (rVIII-SingleChain; Afstyla(®)) is a novel single-chain recombinant factor VIII (FVIII) molecule, with a truncated B-domain and the heavy and light chains covalently linked to form a stable and homogenous drug that binds with high affinity to von Willebrand factor (VWF). Intravenous lonoctocog alfa is approved for the prophylaxis and treatment of bleeding in patients with haemophilia A in several countries worldwide. In two pivotal, multicentre trials, lonoctocog alfa was effective in the treatment of bleeding episodes and as prophylaxis, including for perioperative management in adults, adolescents and children...
September 12, 2017: Drugs
https://www.readbyqxmd.com/read/28900606/lymphocyte-recovery-is-an-independent-predictor-of-relapse-in-allogeneic-hematopoietic-cell-transplantation-recipients-for-acute-leukemia
#8
Moussab Damlaj, Samer Ghazi, Walid Mashaqbeh, Gamal Gmati, Hend Salama, Khadega A Abuelgasim, Mushtaq Rather, Ali Hajeer, Mohsen Al-Zahrani, Abdul-Rahman Jazieh, Ayman Alhejazi, Ahmed Alaskar
AIM: To examine the optimal absolute lymphocyte count (ALC) cut-off utilizing receiver operator characteristics (ROC) in addition to graft characteristics associated with early ALC recovery. METHODS: Patients who received T-cell replete peripheral hematopoietic cell transplantation (HCT) for acute leukemia were identified. ALC cut-off was established using ROC analysis and subsequently the cohort was stratified. Time to endpoint analysis and cox regression modelling was computed to analyze outcomes...
August 24, 2017: World Journal of Transplantation
https://www.readbyqxmd.com/read/28894513/diagnostic-methods-risk-factors-prevention-and-management-of-breast-cancer-related-lymphedema-past-present-and-future-directions
#9
Hoda E Sayegh, Maria S Asdourian, Meyha N Swaroop, Cheryl L Brunelle, Melissa N Skolny, Laura Salama, Alphonse G Taghian
PURPOSE OF REVIEW: Breast cancer-related lymphedema (BCRL) is a chronic, adverse, and much feared complication of breast cancer treatment, which affects approximately 20% of patients following breast cancer treatment. BCRL has a tremendous impact on breast cancer survivors, including physical impairments and significant psychological consequences. The intent of this review is to discuss recent studies and analyses regarding the risk factors, diagnosis, prevention through early screening and intervention, and management of BCRL...
June 2017: Current Breast Cancer Reports
https://www.readbyqxmd.com/read/28891424/clinical-practice-guideline-evaluation-of-the-neck-mass-in-adults-executive-summary
#10
Melissa A Pynnonen, M Boyd Gillespie, Benjamin Roman, Richard M Rosenfeld, David E Tunkel, Laura Bontempo, Itzhak Brook, Davoren Ann Chick, Maria Colandrea, Sandra A Finestone, Jason C Fowler, Christopher C Griffith, Zeb Henson, Corinna Levine, Vikas Mehta, Andrew Salama, Joseph Scharpf, Deborah R Shatzkes, Wendy B Stern, Jay S Youngerman, Maureen D Corrigan
The American Academy of Otolaryngology-Head and Neck Surgery Foundation has published a supplement to this issue of Otolaryngology-Head and Neck Surgery featuring the "Clinical Practice Guideline: Evaluation of the Neck Mass in Adults." To assist in implementing the guideline recommendations, this article summarizes the rationale, purpose, and key action statements. The 12 recommendations developed emphasize reducing delays in diagnosis of head and neck squamous cell carcinoma; promoting appropriate testing, including imaging, pathologic evaluation, and empiric medical therapies; reducing inappropriate testing; and promoting appropriate physical examination when cancer is suspected...
September 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28891406/clinical-practice-guideline-evaluation-of-the-neck-mass-in-adults
#11
Melissa A Pynnonen, M Boyd Gillespie, Benjamin Roman, Richard M Rosenfeld, David E Tunkel, Laura Bontempo, Itzhak Brook, Davoren Ann Chick, Maria Colandrea, Sandra A Finestone, Jason C Fowler, Christopher C Griffith, Zeb Henson, Corinna Levine, Vikas Mehta, Andrew Salama, Joseph Scharpf, Deborah R Shatzkes, Wendy B Stern, Jay S Youngerman, Maureen D Corrigan
Objective Neck masses are common in adults, but often the underlying etiology is not easily identifiable. While infections cause most of the neck masses in children, most persistent neck masses in adults are neoplasms. Malignant neoplasms far exceed any other etiology of adult neck mass. Importantly, an asymptomatic neck mass may be the initial or only clinically apparent manifestation of head and neck cancer, such as squamous cell carcinoma (HNSCC), lymphoma, thyroid, or salivary gland cancer. Evidence suggests that a neck mass in the adult patient should be considered malignant until proven otherwise...
September 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28875469/a-panel-of-autoantibodies-against-neural-proteins-as-peripheral-biomarker-for-pesticide-induced-neurotoxicity
#12
Heba Allah Abd El Rahman, Mohamed Salama, Seham A Gad El-Hak, Mona A El-Harouny, Passent ElKafrawy, Mohamed B Abou-Donia
In the present study, we screened the sera of subjects chronically exposed to mixtures of pesticides (composed mainly of organophosphorus compounds (OPs) and others) and developed neurological symptoms for the presence of autoantibodies against cytoskeletal neural proteins. OPs have a well-characterized clinical profile resulting from acute cholinergic crisis. However, some of these compounds cause neuronal degeneration and demyelination known as organophosphorus compound-induced delayed neurotoxicity (OPIDN) and/or organophosphorus compound-induced chronic neurotoxicity (OPICN)...
September 5, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28873858/adaptive-sampling-technique-using-regression-modelling-and-fuzzy-inference-system-for-network-traffic
#13
Abdussalam Salama, Reza Saatchi, Derek Burke
Electronic-health relies on extensive computer networks to facilitate access and to communicate various types of information in the form of data packets. To examine the effectiveness of these networks, the traffic parameters need to be analysed. Due to quantity of packets, examining their transmission parameters individually is not practical, especially when performed in real time. Sampling allows a subset of packets that accurately represents the original traffic to be chosen. In this study an adaptive sampling method based on regression and fuzzy inference system was developed...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28840942/hemolysis-related-to-intravenous-immunoglobulins-is-dependent-on-the-presence-of-anti-blood-group-a-and-b-antibodies-and-individual-susceptibility
#14
Orell Mielke, Stefano Fontana, Vesselina Goranova-Marinova, Amgad Shebl, Martin O Spycher, Sandra Wymann, Billie L Durn, John P Lawo, Alphonse Hubsch, Abdulgabar Salama
BACKGROUND: Patients treated with intravenous immunoglobulins (IVIG) rarely experience symptomatic hemolysis. Although anti-A and anti-B isoagglutinins from the product are involved in most cases, the actual mechanisms triggering hemolysis are unclear. STUDY DESIGN AND METHODS: A prospective, open-label, multicenter, single-arm clinical trial in 57 patients with immune thrombocytopenia treated with IVIG (Privigen, CSL Behring) was conducted. RESULTS: Twenty-one patients received one infusion (1 g/kg) and 36 received two infusions (2 × 1 g/kg) of IVIG...
August 25, 2017: Transfusion
https://www.readbyqxmd.com/read/28834704/preparation-of-cmc-g-p-spma-super-adsorbent-hydrogels-exploring-their-capacity-for-mb-removal-from-waste-water
#15
Ahmed Salama
A novel superadsorbent anionic hydrogel was synthesized by grafting of poly (3-sulfopropyl methacrylate), P (SPMA), onto carboxymethyl cellulose (CMC). CMC-g- P (SPMA) superadsorbent hydrogel was applied as an efficient and sustainable adsorbent to remove methylene blue (MB) from waste water. Batch adsorption experiments showed that the solution pH had an obvious effect on the adsorption capacity with an optimal sorption pH at 6. The CMC-g- P (SPMA) hydrogel had rapid adsorption kinetics for MB and the adsorption equilibrium reached within 40minutes...
August 20, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28833217/adjuvant-chemoradiation-does-not-improve-survival-in-elderly-patients-with-high-risk-resected-head-and-neck-cancer
#16
Nicholas J Giacalone, Muhammad M Qureshi, Kimberley S Mak, Diana Kirke, Sagar A Patel, Bhartesh A Shah, Andrew R Salama, Scharukh Jalisi, Minh Tam Truong
OBJECTIVES/HYPOTHESIS: Randomized trials have demonstrated that adjuvant chemoradiotherapy (CRT) confers an overall survival (OS) benefit over adjuvant radiation therapy (RT) alone in patients with resected head and neck squamous cell carcinoma (HNSCC) with adverse pathologic features (positive surgical margins [SM+] and/or extracapsular extension [ECE]). Whether this OS benefit exists in an elderly population remains unknown. STUDY DESIGN: Retrospective database study...
August 21, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28832523/a-biosensor-cmos-platform-and-integrated-readout-circuit-in-0-18-%C3%AE-m-cmos-technology-for-cancer-biomarker-detection
#17
Abdulaziz Alhoshany, Shilpa Sivashankar, Yousof Mashraei, Hesham Omran, Khaled N Salama
This paper presents a biosensor-CMOS platform for measuring the capacitive coupling of biorecognition elements. The biosensor is designed, fabricated, and tested for the detection and quantification of a protein that reveals the presence of early-stage cancer. For the first time, the spermidine/spermine N1 acetyltransferase (SSAT) enzyme has been screened and quantified on the surface of a capacitive sensor. The sensor surface is treated to immobilize antibodies, and the baseline capacitance of the biosensor is reduced by connecting an array of capacitors in series for fixed exposure area to the analyte...
August 23, 2017: Sensors
https://www.readbyqxmd.com/read/28828900/advances-in-fertility-preservation-of-female-patients-with-hematological-malignancies
#18
Mahmoud Salama, Vladimir Isachenko, Evgenia Isachenko, Gohar Rahimi, Peter Mallmann
The most common forms of hematological malignancies that occur in female reproductive years are lymphoma and leukemia. Areas covered: Several aggressive gonadotoxic regimens such as alkylating chemotherapy and total body irradiation are used frequently in treatment of lymphoma and leukemia leading to subsequent iatrogenic premature ovarian failure and fertility loss. In such cases, female fertility preservation options should be offered in advance. Expert commentary: In order to preserve fertility of young women and girls with lymphoma and leukemia, several established, experimental, and debatable options can be offered before starting chemotherapy and radiotherapy...
August 22, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28827903/predictors-of-outcome-of-living-donor-liver-transplantation-for-hepatocellular-carcinoma
#19
Hazem Mohamed Zakaria, Ahmed N Sallam, Islam I Ayoub, Sherif M Saleh, Doha Maher, Hazem Omar, Mohamed Abou-Shady, Ibrahim A Salama, El-Sayed A Soliman, Khaled Abou El-Ella, Tarek M Ibrahim, Essam M Hammad
The aim of this work is to study the different factors that affect the outcome of living donor liver transplantation for patients with hepatocellular carcinoma (HCC). Between April 2003 to November 2014, 62 patients with liver cirrhosis and HCC underwent living donor liver transplantation (LDLT) in the National Liver Institute, Menoufia University, Egypt. The preoperative, operative, and postoperative data were analyzed. After studying the pathology of explanted liver; 44 (71 %) patients were within the Milan criteria, and 18 (29 %) patients were beyond Milan; 13 (21...
August 2017: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28815011/genomic-upregulation-of-cardiac-cav1-2%C3%AE-and-ncx1-by-estrogen-in-women
#20
Rita Papp, Glenna C L Bett, Agnieszka Lis, Randall L Rasmusson, István Baczkó, András Varró, Guy Salama
BACKGROUND: Women have a higher risk of lethal arrhythmias than men in long QT syndrome type 2 (LQTS2), but the mechanisms remain uncertain due to the limited availability of healthy control human tissue. We have previously reported that in female rabbits, estrogen increases arrhythmia risk in drug-induced LQTS2 by upregulating L-type Ca(2+) (ICa,L) and sodium-calcium exchange (INCX) currents at the base of the epicardium by a genomic mechanism. This study investigates if the effects of estrogen on rabbit ICa,L and INCX apply to human hearts...
2017: Biology of Sex Differences
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