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mohamed abdallah

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https://www.readbyqxmd.com/read/28730330/effect-of-the-phosphogypsum-amendment-of-saline-and-agricultural-soils-on-growth-productivity-and-antioxidant-enzyme-activities-of-tomato-solanum-lycopersicum-l
#1
Mariem Smaoui-Jardak, Walid Kriaa, Mohamed Maalej, Mohamed Zouari, Lotfi Kamoun, Wassim Trabelsi, Ferjani Ben Abdallah, Nada Elloumi
The objective of this study was to investigate the effects of phosphogypsum (PG) amendment on the physiochemical proprieties of saline and agricultural soils along with the growth, productivity and antioxidant enzyme activities of tomato plants ( Solanum lycopersicum L.) grown on the amended soils under controlled conditions. Obtained results showed that the amendment of saline soil (H) by PG induced a decrease in pH as well as in electrical conductivity. However, for the non saline soil (MC), there was a decrease in pH associated with an increase in electrical conductivity...
July 20, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28721881/final-report-of-a-prospective-randomized-trial-to-evaluate-the-dose-response-relationship-for-postoperative-radiation-therapy-and-pathologic-risk-groups-in-patients-with-head-and-neck%C3%A2-cancer
#2
David I Rosenthal, Abdallah S R Mohamed, Adam S Garden, William H Morrison, Adel K El-Naggar, Mona Kamal, Randal S Weber, Clifton D Fuller, Lester J Peters
PURPOSE: To present the long-term and final report of a phase 3 trial designed to assess dose-response relationship for postoperative radiation therapy (PORT) and pathologic risk groups in head and neck cancer. METHODS AND MATERIALS: Patients who underwent primary surgery for American Joint Committee on Cancer stage III or IV squamous cell carcinoma of the oral cavity, oropharynx, hypopharynx, or larynx and who required PORT were eligible. Patients' primary sites and involved necks were independently assigned to higher- or lower-risk categories based on a cumulative point score representing increasing risk of recurrence...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28721342/hepatitis-b-virus-genotype-e-infection-among-egyptian-health-care-workers
#3
Reem Elmaghloub, Ashraf Elbahrawy, Gamal El Didamony, Ahmed Elwassief, Abdel-Gawad Saied Mohammad, Ahmed Alashker, Hendawy Zedan, Abdallah Mahmoud Abdallah, Mahmoud Haddad Hemidah, Amr Elmestikawy, Mohamed El Fayoumei, Hossam Shahba, Ahmed Gawish, Mohamed Hanafy Morsy, Alaa Hashim, Mohamed Ali Abdelbaseer, Yoshihide Ueda, Tsutomu Chiba, Hafez Abdelhafeez
BACKGROUND AND OBJECTIVES: Health Care Workers (HCWs) are at a high risk of needle stick injuries and HBV infection in Egypt; this problem is further aggravated by low Hepatitis B (HB) vaccination coverage. Limited data are available on the prevalence of HBV infection in Egyptian HCWs. In this study, we aimed to assess the HBV infection rate and genotypes among Egyptian HCWs. METHODS: Five hundred and sixty-four (564) HCWs were included. Of them, 258 (45.74%) were health care providers and 306 (54...
June 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28716916/genomic-landscape-of-human-diversity-across-madagascar
#4
Denis Pierron, Margit Heiske, Harilanto Razafindrazaka, Ignace Rakoto, Nelly Rabetokotany, Bodo Ravololomanga, Lucien M-A Rakotozafy, Mireille Mialy Rakotomalala, Michel Razafiarivony, Bako Rasoarifetra, Miakabola Andriamampianina Raharijesy, Lolona Razafindralambo, Ramilisonina, Fulgence Fanony, Sendra Lejamble, Olivier Thomas, Ahmed Mohamed Abdallah, Christophe Rocher, Amal Arachiche, Laure Tonaso, Veronica Pereda-Loth, Stéphanie Schiavinato, Nicolas Brucato, Francois-Xavier Ricaut, Pradiptajati Kusuma, Herawati Sudoyo, Shengyu Ni, Anne Boland, Jean-Francois Deleuze, Philippe Beaujard, Philippe Grange, Sander Adelaar, Mark Stoneking, Jean-Aimé Rakotoarisoa, Chantal Radimilahy, Thierry Letellier
Although situated ∼400 km from the east coast of Africa, Madagascar exhibits cultural, linguistic, and genetic traits from both Southeast Asia and Eastern Africa. The settlement history remains contentious; we therefore used a grid-based approach to sample at high resolution the genomic diversity (including maternal lineages, paternal lineages, and genome-wide data) across 257 villages and 2,704 Malagasy individuals. We find a common Bantu and Austronesian descent for all Malagasy individuals with a limited paternal contribution from Europe and the Middle East...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28715931/understanding-and-acting-on-the-developmental-origins-of-health-and-disease-in-africa-would-improve-health-across-generations
#5
Shane A Norris, Abdallah Daar, Dorairajan Balasubramanian, Peter Byass, Elizabeth Kimani-Murage, Andrew Macnab, Christoff Pauw, Atul Singhal, Chittaranjan Yajnik, James Akazili, Naomi Levitt, Jihene Maatoug, Nolwazi Mkhwanazi, Sophie E Moore, Moffat Nyirenda, Juliet R C Pulliam, Tamsen Rochat, Rihlat Said-Mohamed, Soraya Seedat, Eugene Sobngwi, Mark Tomlinson, Elona Toska, Cari van Schalkwyk
Data from many high- and low- or middle-income countries have linked exposures during key developmental periods (in particular pregnancy and infancy) to later health and disease. Africa faces substantial challenges with persisting infectious disease and now burgeoning non-communicable disease.This paper opens the debate to the value of strengthening the developmental origins of health and disease (DOHaD) research focus in Africa to tackle critical public health challenges across the life-course. We argue that the application of DOHaD science in Africa to advance life-course prevention programmes can aid the achievement of the Sustainable Development Goals, and assist in improving health across generations...
2017: Global Health Action
https://www.readbyqxmd.com/read/28680836/ongoing-transmission-of-hcv-should-cesarean-section-be-justified-data-mining-discovery
#6
Abd Elrazek, Samy Saab, Mahmoud Foad, Elsayed A Elgohary, Mohammad M Sallam, Abdallah Nawara, Ali Ismael, Samar S Morsi, Altaher Salah, Mohamed Alboraie, Akshaya Srikanth Bhagavathula, Marwa Zayed, Hossam Elmasry, Tamer Z Salem
BACKGROUND AND OBJECTIVES: Over the past few decades, cesarean section (CS) rates are steadily increasing in most of the middle- and high-income countries. However, most of the pregnant women (particularly undergoing CS) are not screened for hepatitis C virus (HCV); hence, neonates born to HCV-positive mother could be a source of future HCV infection. In this study, the role of the CS and other surgical interventions in HCV transmission in Egypt, the highest endemic country of HCV-4, was investigated...
March 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28671024/prospective-pilot-study-comparing-the-need-for-adaptive-radiotherapy-in-unresected-bulky-disease-and-in-postoperative-patients-with-head-and-neck-cancer
#7
Omar Mahmoud, Isildinha M Reis, Michael M Samuels, Nagy Elsayyad, Elizabeth Bossart, Joseph Both, Ehsan ELGhoneimy, Magda Moustafa, Mohamed AbdAllah, Cristiane Takita
BACKGROUND: Adaptive radiotherapy is being used in few institutions in patients with head and neck cancer having bulky disease using periodic computed tomography imaging accounting for volumetric changes in tumor volume and/or weight loss. Limited data are available on ART in the postoperative setting. We aim to identify parameters that would predict the need for ART in patients with head and neck cancer and whether ART should be applied in postoperative setting. MATERIALS AND METHODS: Twenty patients with stage III-IV head and neck cancer were prospectively accrued...
January 1, 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/28667871/design-synthesis-and-anticancer-activity-of-new-monastrol-analogues-bearing-1-3-4-oxadiazole-moiety
#8
Fatma A F Ragab, Sahar M Abou-Seri, Salah A Abdel-Aziz, Abdallah M Alfayomy, Mohamed Aboelmagd
A series of dihydropyrimidine (DHPM) derivatives bearing 1,3,4-oxadiazole moiety was designed and synthesized as monastrol analogues. The new compounds were screened for their cytotoxic activity toward 60 cancer cell lines according to NCI (USA) protocol. Seven compounds were further examined against the most sensitive cell lines, leukemia HL-60(TB) and MOLT-4. The most active compounds were 9m against HL-60(TB) (IC50 = 56 nM) and 9n against MOLT-4 (IC50 = 80 nM), more potent than monastrol (IC50 = 147 and 215 nM, respectively)...
June 15, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28655985/circulating-adipokines-in-children-with-nonalcoholic-fatty-liver-disease-possible-noninvasive-diagnostic-markers
#9
Amal Ahmed Mohamed, Said Sabry, Asmaa Mahmoud Abdallah, Naglaa Adly Abd Elazeem, Doaa Refaey, Hebat Allah Fadel Algebaly, Gamal Abo El Fath, Heba Omar
BACKGROUND: The growing obesity pandemic is the leading cause for increasing prevalence of nonalcoholic fatty liver disease (NAFLD) in children. Histopathological evaluation of the liver remains the gold standard for NAFLD diagnosis, but it is an invasive procedure with a low but real risk of morbidity and mortality. The current study evaluated circulating chemerin and adiponectin as possible noninvasive diagnostic markers for NAFLD in obese non-diabetic children. METHODS: A prospective case-control study was conducted, which included 101 obese children with biopsy-proven NAFLD and 57 age- and sex-matched controls...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28651947/molecular-identification-and-characterization-of-piroplasm-species-in-hokkaido-sika-deer-cervus-nippon-yesoensis-japan
#10
Elzahara Elbaz, Mohamed Abdallah Mohamed Moustafa, Kyunglee Lee, Wessam Mohamed Ahmed Mohamed, Ryo Nakao, Michito Shimozuru, Mariko Sashika, Emad Elsayed Ahmed Younis, Sabry Ahmed El-Khodery, Toshio Tsubota
Babesia and Theileria species are tick-borne protozoan parasites that have a veterinary and zoonotic importance. In order to investigate the prevalence and genetic diversity of these parasites, a total of 269 sika deer blood DNA samples collected from Hokkaido, Japan, were examined for Babesia and Theileria species by touch-down PCR targeting the 18S rRNA gene. Reverse line blot (RLB) hybridization was then used to detect 12 piroplasm species. The results revealed that 95.5% (257/269), 94.1% (253/269), 14.1% (38/269), 87...
August 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28649897/platelet-concentrates-for-bone-regeneration-current-evidence-and-future-challenges
#11
Zahi Badran, Mohamed-Nur Abdallah, Jesus Torres, Faleh Tamimi
Activated platelet concentrates are autologous blood preparations containing supraphysiological concentration of platelets. Platelet concentrates are commonly used for bone regeneration purposes based on the fact that growth factors released from activated platelets alpha granules have osteoinductive effects on bone cells. Although most preclinical and clinical studies show that platelet concentrates improve the outcomes of bone regeneration procedures, some studies reported conflicting results and even negative effects on bone healing...
June 26, 2017: Platelets
https://www.readbyqxmd.com/read/28631132/adaptive-biochemical-and-physiological-responses-of-eriobotrya-japonica-to-fluoride-air-pollution
#12
Nada Elloumi, Mohamed Zouari, Imed Mezghani, Ferjani Ben Abdallah, Steve Woodward, Monem Kallel
The biochemical and physiological effects of fluoride were investigated in loquat trees (Eriobotrya japonica) grown in the vicinity of a phosphate fertilizer plant in Tunisia. Photosynthetic rate (Pn), stomatal conductance (Gs), transpiration rate (E), superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) activities were assessed; along with photosynthetic pigments, lipid peroxidation, electrolytic leakage (EL) and total phenolic contents in foliage and roots of trees at different distances from the phosphate fertilizer plant...
June 19, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28626957/graves-disease-with-severe-neutropenia-any-clues
#13
Mohamed Osama Hegazi, Ammar Almansour, Abdallah Nawara
In volume 85, issue 6 of "Clinical Endocrinology", Aggarwal, et al. published a study titled "Treatment of Hyperthyroidism With Antithyroid Drugs Corrects Mild Neutropenia in Graves' Disease". The authors treated Graves' disease (GD) with mild neutropenia using a thionamide anti-thyroid drug (ATD). From that study we conclude that neutropenia is not uncommon in association with GD and accounts for 14% of cases, and that mild neutropenia does not preclude the use of ATDs. This article is protected by copyright...
June 19, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28625341/efficacy-and-toxicity-of-metronomic-chemotherapy-in-metastatic-breast-cancer-egyptian-experience
#14
Marwa Mahmoud Hussein, Rabab Mohamed Gaafar, Ahmed Mostafa Abdel-Warith, Wafaa Abdallah Ahmed, Nasr Mohamed Ali Allahloubi, Salem Eid Salem, Ibrahem Mohamed Abdel-Salam
BACKGROUND: Metronomic chemotherapy (MC) has shown efficacy in patients with metastatic breast cancer (MBC). We therefore tested the efficacy and toxicity of MC in pretreated MBC. PATIENTS AND METHODS: This prospective phase II study included 50 patients with heavily pretreated MBC who received MC in the form of continuous oral cyclophosphamide 50 mg/day and oral methotrexate 2.5 mg twice per day on days 1 and 2 every week. The primary end point was progression-free survival (PFS), whereas the secondary end points were response rate, overall survival (OS), and safety...
May 8, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28619208/inconclusive-evidence-on-using-antibiotic-prophylaxis-before-dental-procedures-to-prevent-infective-endocarditis
#15
Mohamed-Nur Abdallah
No abstract text is available yet for this article.
June 13, 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28595559/25-hydroxyvitamin-d-correlation-with-prolactin-levels-and-adenoma-size-in-female-patients-with-newly-diagnosed-prolactin-secreting-adenoma
#16
Mohamed M Aboelnaga, N Abdallah, M El Shaer
OBJECTIVE: The present research explored the relationship of vitamin D status with prolactin levels and adenoma size in female patients with newly diagnosed prolactinoma and determination of hypovitaminosis D prevalence among female patients with prolactinoma. PATIENTS AND METHODS: We enrolled 67 female patients with newly diagnosed prolactinoma (41 with micro adenoma and 26 with macro adenoma) in this case-control study at the time of presentation. We selected a Control Group of 45 female subjects who were matched according to age, weight, height, body mass index and waist circumference...
June 9, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28579111/clinical-features-and-prognosis-of-infective-endocarditis-in-children-insights-from-a-tunisian-multicentre-registry
#17
Walid Jomaa, Imen Ben Ali, Dorra Abid, Samia Hajri Ernez, Leila Abid, Faten Triki, Samir Kammoun, Anissa Gharbi, Oussama Ben Rejeb, Abdallah Mahdhaoui, Gouider Jeridi, Mohamed A Azaiez, Aymen El Hraiech, Khaldoun Ben Hamda, Faouzi Maatouk
BACKGROUND: Infective endocarditis (IE) is a rare condition in the paediatric setting. No data on the epidemiology and prognosis of IE in children are available from North African countries. AIM: To investigate the epidemiological profile and prognosis of IE in children in Tunisia. METHODS: All patients aged≤18 years presenting with IE in three Tunisian tertiary care centres between January 1997 and September 2013 were included. Clinical features and 30-day and 6-month mortality rates were studied...
May 31, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28577891/treatment-of-posterior-cruciate-ligament-tibial-avulsion-by-a-minimally-invasive-open-posterior-approach
#18
Ahmed Abdelbadie Abdallah, Mohammed S Arafa
OBJECTIVE: To assess the surgical technique and report the outcomes following fixation of PCL bony avulsions through mini-invasive posterior knee approach as described by Burks and Schaffer. METHODS: From June 2012 to July 2015, 27 patients enrolled in the study (21 males and 6 females). Fixation of tibial PCL avulsion fractures was done with one or two cannulated screws, or sutures through Burks and Schaffer's approach. The mean interval before surgery was 16days (1-70) ...
July 2017: Injury
https://www.readbyqxmd.com/read/28561993/removable-partial-denture-alloys-processed-by-laser-sintering-technique
#19
Omar Alageel, Mohamed-Nur Abdallah, Ammar Alsheghri, Jun Song, Eric Caron, Faleh Tamimi
Removable partial dentures (RPDs) are traditionally made using a casting technique. New additive manufacturing processes based on laser sintering has been developed for quick fabrication of RPDs metal frameworks at low cost. The objective of this study was to characterize the mechanical, physical, and biocompatibility properties of RPD cobalt-chromium (Co-Cr) alloys produced by two laser-sintering systems and compare them to those prepared using traditional casting methods. The laser-sintered Co-Cr alloys were processed by the selective laser-sintering method (SLS) and the direct metal laser-sintering (DMLS) method using the Phenix system (L-1) and EOS system (L-2), respectively...
May 31, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28555171/perforated-duodenal-diverticulum-treated-conservatively-another-two-successful-cases
#20
Jad A Degheili, Mohammed H Abdallah, Ali A Haydar, Ahmad Moukalled, Ali H Hallal
Diverticula of the duodenum proceed those of the colon in respect to frequency of location. Incidence at times of autopsy ranges from 15 to 23%. Despite the fact that more than 90% of duodenal diverticulum cases are asymptomatic, complications if they do occur can be calamitous. Perforation is one of these rare complications. Surgical intervention has always been the mainstay for symptomatic/complicated duodenal diverticula, but with the advancement of imaging, medical treatment, and proper intensive observation, conservative treatment came forth...
2017: Case Reports in Surgery
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