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https://www.readbyqxmd.com/read/28646810/synergistic-anti-breast-cancer-effects-of-combined-treatment-with-oleuropein-and-doxorubicin-in-vivo
#1
Maha H Elamin, Abdelsalam B Elmahi, Maha H Daghestani, Ebtesam M Al-Olayan, Reem A Al-Ajmi, Afrah F Alkhuriji, Sherifa S Hamed, Manal F Elkhadragy
Context • Breast cancer is a leading cause of cancer fatalities among women worldwide. Of the more than 80% of patients who receive adjuvant chemotherapy, approximately 40% relapse. The majority of these patients die of disseminated metastatic disease, which emphasizes the need for new therapeutic strategies Objective • The study intended to investigate the anticancer effects of oleuropein (OL) and doxorubicin (DOX) individually and in combination on breast tumor xenografts and also to evaluate the molecular pathways involved...
June 23, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28643236/multi-reservoir-phospholipid-shell-encapsulating-protamine-nanocapsules-for-co-delivery-of-letrozole-and-celecoxib-in-breast-cancer-therapy
#2
Ahmed O Elzoghby, Shaimaa K Mostafa, Maged W Helmy, Maha A ElDemellawy, Salah A Sheweita
PURPOSE: In the current work, we propose a combined delivery nanoplatform for letrozole (LTZ) and celecoxib (CXB). METHODS: Multi-reservoir nanocarriers were developed by enveloping protamine nanocapsules (PRM-NCs) within drug-phospholipid complex bilayer. RESULTS: Encapsulation of NCs within phospholipid bilayer was confirmed by both size increase from 109.7 to 179.8 nm and reduction of surface charge from +19.0 to +7.78 mV. The multi-compartmental core-shell structure enabled biphasic CXB release with initial fast release induced by complexation with phospholipid shell followed by prolonged release from oily core...
June 22, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28642140/emergence-of-carbapenem-resistant-enterobacteriaceae-isolated-from-patients-in-a-university-hospital-in-saudi-arabia-epidemiology-clinical-profiles-and-outcomes
#3
Fawzia E Alotaibi, Elham E Bukhari, Maha M Al-Mohizea, Taghreed Hafiz, Eman Bin Essa, Yasmeen I AlTokhais
Carbapenemase-producing Enterobacteriaceae have been steadily spreading worldwide during the last decade. Nine patients were identified prospectively and were followed during their hospitalization course to identify the epidemiology, clinical profiles and outcomes. These patients had one or more cultures positive for a CRE isolate, contributing to a total of eleven positive cultures from various sites without including duplicates of isolates obtained from the same site. Isolates from these patients included five Klebseilla pneumoniae, three Escherichia coli, and one Enterobacter aerogenes...
June 19, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28635358/disability-and-the-impact-of-need-for-periodontal-care-on-quality-of-life-a-cross-sectional-study
#4
Maha El Tantawi, Adel AlAgl
Objective The need for periodontal care may negatively impact daily life. We compared the need for periodontal care and its impact on daily life between disabled and healthy adults in the Eastern Province, Saudi Arabia. Methods In this cross-sectional study of 819 adults, a questionnaire was used to assess personal background factors; the impact of periodontitis on pain, avoiding foods, embarrassment, sleeplessness, work absence, and discontinuing daily activities; and risk factors (smoking, diabetes, toothbrushing, insurance, professional tooth cleaning, and dental visits)...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28634498/evaluation-of-in-vitro-cytotoxicity-biocompatibility-and-changes-in-the-expression-of-apoptosis-regulatory-proteins-induced-by-cerium-oxide-nanocrystals
#5
Shahanavaj Khan, Anees A Ansari, Christian Rolfo, Andreia Coelho, Maha Abdulla, Khayal Al-Khayal, Rehan Ahmad
Cerium oxide nanocrystals (CeO2-NCs) exhibit superoxide dismutase and catalase mimetic activities. Based on these catalytic activities, CeO2-NCs have been suggested to have the potential to treat various diseases. The crystalline size of these materials is an important factor that influences the performance of CeO2-NCs. Previous reports have shown that several metal-based nanocrystals, including CeO2-NCs, can induce cytotoxicity in cancer cells. However, the underlying mechanisms have remained unclear. To characterize the anticancer activities of CeO2-NCs, several assays related to the mechanism of cytotoxicity and induction of apoptosis has been performed...
2017: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/28627936/the-microorganisms-on-nurses-and-health-care-workers-uniforms-in-the-intensive-care-units
#6
Maha Abu Radwan, Muayyad Ahmad
The objective of this study was to identify the types of microorganisms present on uniforms of nurses, physicians, respiratory therapist, students, and housekeepers in intensive care units (ICUs). A convenience sampling was used to recruit the participants ( N = 115) who work at military hospital in Jordan. Environmental cultures ( N = 305) were taken from the participants who were nurses, physicians, students, respiratory therapists, and housekeepers. The number of participating nurses was 58 (50.43%). There were 24 types of microorganisms found on the participants' uniforms...
June 1, 2017: Clinical Nursing Research
https://www.readbyqxmd.com/read/28627376/inhaled-salbutamol-dose-delivered-by-jet-nebulizer-vibrating-mesh-nebulizer-and-metered-dose-inhaler-with-spacer-during-invasive-mechanical-ventilation
#7
Muhammad E ElHansy, Marina Emad, Assem Fouad Mohamed El Essawy, Mohamed Bakry Al-Kholy, Maha M Abdelrahman, Amira S A Said, Raghda R S Hussein, Mohamed E Abdelrahim
BACKGROUND: Patient receiving invasive mechanical ventilation (IMV) may benefit from medical aerosol, but guidance on dosing with different aerosol devices is limited to in-vitro studies. The study was designed to compare aerosol delivery with five different types of aerosol generators during IMV. METHOD: In randomized design, 60 (30 female) mechanically ventilated chronic obstructive pulmonary disease (COPD) patients were assigned to one of 5 groups. Groups 1-4 received 5000 μg salbutamol using Aerogen Pro (PRO), Aerogen Solo (SOLO), NIVO vibrating mesh and jet nebulizers (JN), respectively, while group 5 received 800 μg (8 puffs) of salbutamol via metered dose inhaler with AeroChamber-MV (MDI-AC)...
June 13, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28626029/a-homozygous-founder-mutation-in-trappc6b-associates-with-a-neurodevelopmental-disorder-characterised-by-microcephaly-epilepsy-and-autistic-features
#8
Isaac Marin-Valencia, Gaia Novarino, Anide Johansen, Basak Rosti, Mahmoud Y Issa, Damir Musaev, Gifty Bhat, Eric Scott, Jennifer L Silhavy, Valentina Stanley, Rasim O Rosti, Jeremy W Gleeson, Farhad B Imam, Maha S Zaki, Joseph G Gleeson
BACKGROUND: Transport protein particle (TRAPP) is a multisubunit complex that regulates membrane trafficking through the Golgi apparatus. The clinical phenotype associated with mutations in various TRAPP subunits has allowed elucidation of their functions in specific tissues. The role of some subunits in human disease, however, has not been fully established, and their functions remain uncertain. OBJECTIVE: We aimed to expand the range of neurodevelopmental disorders associated with mutations in TRAPP subunits by exome sequencing of consanguineous families...
June 16, 2017: Journal of Medical Genetics
https://www.readbyqxmd.com/read/28622594/the-role-of-apitoxin-in-alleviating-propionic-acid-induced-neurobehavioral-impairments-in-rat-pups-the-expression-pattern-of-reelin-gene
#9
Maha H Daghestani, Manar E Selim, Yasmina M Abd-Elhakim, Enas N Said, Noura E Abd El-Hameed, Samah R Khalil, Osama S El-Tawil
The efficacy of apitoxin (bee venom; BV) in ameliorating propionic acid (PPA) -induced neurobehavioral impacts was studied. Sixty rat pups were enrolled in a split litter design to six groups: a control group, a PPA-treated group, a BV-treated group, a BV/PPA protective group, a PPA/BV therapeutic group, and a BV/PPA/BV protective and therapeutic group. Exploratory, social, locomotor, and repetitive/stereotype-like activities were assessed and prosocial, empathy, and acquired behavior were evaluated. Levels of neurotransmitter including serotonin, dopamine, and gamma-aminobutyric acid (GABA) were determined and a quantitative analysis of Reelin gene expression was performed...
June 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28620827/asthma-foot-drop-and-palpable-purpura-in-a-young-woman
#10
Gabriela Kuftinec, Maha Sami, Paul Aronowitz
No abstract text is available yet for this article.
June 15, 2017: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/28618938/laboratory-validation-of-formal-concept-analysis-of-the-methylation-status-of-microarray-detected-genes-in-primary-breast-cancer
#11
Samar K Kassim, Hanan H Shehata, Marwa M Abou-Alhussein, Maha M Sallam, Islam Ibrahim Amin
Breast cancer is the leading cause of cancer-related mortality. DNA methylations play important roles in cancer development and progression. Formal concept analysis was previously utilized for data mining hypermethylated and hypomethylated genes in breast cancer molecular subtypes in illumina methylation-based microarray database, to laboratory validate their outputs; HS3ST2 (heparan sulfate d-glucosaminyl 3-O-sulfonyl transferase-2) and MUC1 (mucin-1) were retrieved. Both play important roles in progression and invasion of breast cancer...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28618049/study-of-gliquidone-degradation-behavior-by-high-performance-thin-layer-chromatography-and-ultra-performance-liquid-chromatography-methods
#12
Nada S Abdelwahab, Mohammed T ELsaady, Aml G Korany, Maha A Hegazy
Gliquidone (GQ) is an oral hypoglycemic agent, belongs to second generation sulfonylurea derivatives. New high-performance thin-layer chromatography (HPTLC) and ultra-performance liquid chromatography (UPLC) methods have been developed and validated and used for complete stability study of GQ following ICH guidelines. GQ was subjected to stress and forced degradation under hydrolytic, oxidative and photolytic conditions. The drug was found to be unstable under acidic, alkaline and oxidative conditions with the formation of gliquidone sulfonamide (GQS) while, a marked stability was confirmed under thermal and photolytic stress conditions...
June 15, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28614099/predictors-of-nursing-graduate-school-success
#13
Brady Patzer, Elizabeth H Lazzara, Joseph R Keebler, Maha H Madi, Patricia Dwyer, Alicia A Huckstadt, Betty Smith-Campbell
Several factors influence success in nursing graduate school. This study collected retrospective data from students in a nursing graduate program to determine which factors predict success. Data were analyzed using a multiple regression analysis to predict success (i.e., graduation grade point average [GPA]) from student characteristics. The predictors were nursing course GPA, undergraduate science GPA, GPA upon admission to nursing graduate school, experience in a specialty, and the duration of that experience...
June 13, 2017: Nursing Education Perspectives
https://www.readbyqxmd.com/read/28609010/submicroscopic-malaria-infections-in-pregnant-women-from-six-departments-in-haiti
#14
Maha A Elbadry, Massimiliano S Tagliamonte, Christian P Raccurt, Jean F Lemoine, Alexandre Existe, Jacques Boncy, Thomas A Weppelman, John B Dame, Bernard A Okech
OBJECTIVES: To describe the epidemiology of malaria in pregnancy in Haiti. METHODS: Cross-sectional study among pregnant women in 6 departments of Haiti. After obtaining informed consent, whole blood samples and demographic surveys were collected to investigate malaria prevalence, anemia and socio-behavioral risk factors for infection, respectively. 311 pregnant women were screened for Plasmodium falciparum infection using a rapid diagnostic test (RDT), microscopy, and a novel, quantitative reverse-transcriptase polymerase chain reaction method (qRT-PCR)...
June 13, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28603671/spatial-variation-in-coral-reef-fish-and-benthic-communities-in-the-central-saudi-arabian-red-sea
#15
Maha T Khalil, Jessica Bouwmeester, Michael L Berumen
Local-scale ecological information is critical as a sound basis for spatial management and conservation and as support for ongoing research in relatively unstudied areas. We conducted visual surveys of fish and benthic communities on nine reefs (3-24 km from shore) in the Thuwal area of the central Saudi Arabian Red Sea. Fish biomass increased with increasing distance from shore, but was generally low compared to reefs experiencing minimal human influence around the world. All reefs had a herbivore-dominated trophic structure and few top predators, such as sharks, jacks, or large groupers...
2017: PeerJ
https://www.readbyqxmd.com/read/28600779/the-landscape-of-genetic-diseases-in-saudi-arabia-based-on-the-first-1000-diagnostic-panels-and-exomes
#16
Dorota Monies, Mohamed Abouelhoda, Moeenaldeen AlSayed, Zuhair Alhassnan, Maha Alotaibi, Husam Kayyali, Mohammed Al-Owain, Ayaz Shah, Zuhair Rahbeeni, Mohammad A Al-Muhaizea, Hamad I Alzaidan, Edward Cupler, Saeed Bohlega, Eissa Faqeih, Maha Faden, Banan Alyounes, Dyala Jaroudi, Ewa Goljan, Hadeel Elbardisy, Asma Akilan, Renad Albar, Hesham Aldhalaan, Shamshad Gulab, Aziza Chedrawi, Bandar K Al Saud, Wesam Kurdi, Nawal Makhseed, Tahani Alqasim, Heba Y El Khashab, Hamoud Al-Mousa, Amal Alhashem, Imaduddin Kanaan, Talal Algoufi, Khalid Alsaleem, Talal A Basha, Fathiya Al-Murshedi, Sameena Khan, Adila Al-Kindy, Maha Alnemer, Sami Al-Hajjar, Suad Alyamani, Hasan Aldhekri, Ali Al-Mehaidib, Rand Arnaout, Omar Dabbagh, Mohammad Shagrani, Dieter Broering, Maha Tulbah, Amal Alqassmi, Maisoon Almugbel, Mohammed AlQuaiz, Abdulaziz Alsaman, Khalid Al-Thihli, Raashda A Sulaiman, Wajeeh Al-Dekhail, Abeer Alsaegh, Fahad A Bashiri, Alya Qari, Suzan Alhomadi, Hisham Alkuraya, Mohammed Alsebayel, Muddathir H Hamad, Laszlo Szonyi, Faisal Abaalkhail, Sulaiman M Al-Mayouf, Hamad Almojalli, Khalid S Alqadi, Hussien Elsiesy, Taghreed M Shuaib, Mohammed Zain Seidahmed, Ibraheem Abosoudah, Hana Akleh, Abdulaziz AlGhonaium, Turki M Alkharfy, Fuad Al Mutairi, Wafa Eyaid, Abdullah Alshanbary, Farrukh R Sheikh, Fahad I Alsohaibani, Abdullah Alsonbul, Saeed Al Tala, Soher Balkhy, Randa Bassiouni, Ahmed S Alenizi, Maged H Hussein, Saeed Hassan, Mohamed Khalil, Brahim Tabarki, Saad Alshahwan, Amira Oshi, Yasser Sabr, Saad Alsaadoun, Mustafa A Salih, Sarar Mohamed, Habiba Sultana, Abdullah Tamim, Moayad El-Haj, Saif Alshahrani, Dalal K Bubshait, Majid Alfadhel, Tariq Faquih, Mohamed El-Kalioby, Shazia Subhani, Zeeshan Shah, Nabil Moghrabi, Brian F Meyer, Fowzan S Alkuraya
In this study, we report the experience of the only reference clinical next-generation sequencing lab in Saudi Arabia with the first 1000 families who span a wide-range of suspected Mendelian phenotypes. A total of 1019 tests were performed in the period of March 2016-December 2016 comprising 972 solo (index only), 14 duo (parents or affected siblings only), and 33 trio (index and parents). Multigene panels accounted for 672 tests, while whole exome sequencing (WES) represented the remaining 347 tests. Pathogenic or likely pathogenic variants that explain the clinical indications were identified in 34% (27% in panels and 43% in exomes), spanning 279 genes and including 165 novel variants...
June 9, 2017: Human Genetics
https://www.readbyqxmd.com/read/28600116/features-of-nonalcoholic-steatohepatitis-in-severely-obese-children-and-adolescents-undergoing-sleeve-gastrectomy
#17
Aayed Alqahtani, Mohamed Elahmedi, Khalid Alswat, Maha Arafah, Mosa Fagih, Jaehoon Lee
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is an underrecognized co-morbidity of obesity. The characteristic features and severity of NAFLD in severe childhood obesity remain unknown. OBJECTIVES: To investigate features of NAFLD in obese children and identify predictors of significant disease. SETTING: Academic center with a standardized pathway for pediatric bariatric surgery and a dedicated multidisciplinary team. DESIGN: This is a baseline cross-sectional analysis for a data set obtained from a prospective clinical outcome study that included severely obese children (≤14 yr of age) and adolescents (14-21 yr of age) who underwent laparoscopic sleeve gastrectomy between March 2008 and March 2015...
April 7, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28596680/role-of-axl-in-invasion-and-drug-resistance-of-colon-and-breast-cancer-cells-and-its-association-with-p53-alterations
#18
Wael M Abdel-Rahman, Noura A Al-Khayyal, Vidhya A Nair, S R Aravind, Maha Saber-Ayad
AIM: To characterize AXL receptor tyrosine kinase (AXL) expression in relationship to tumor protein P53 (TP53 gene, p53 protein) and its role in tumor invasion and response to therapy. METHODS: We used 14 cell lines, including 3 isogenic pairs carrying mutant/knockout p53, to gain insight into the relationship between AXL and TP53. These included HCT116, HCT116.p53 mutant, RKO, and RKO.p53(-/-) lines (all from colon cancers) as well as breast cancer cell lines MCF7 and 1001 (MCF7-p53 mutant clone)...
May 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28592319/high-dephosphorylated-uncarboxylated-mgp-in-hemodialysis-patients-risk-factors-and-response-to-vitamin-k2-a-pre-post-intervention-clinical-trial
#19
Mabel Aoun, Maha Makki, Hiba Azar, Hiam Matta, Dania Nehme Chelala
BACKGROUND: Vascular calcifications are highly prevalent in hemodialysis patients. Dephosphorylated-uncarboxylated MGP (dp-ucMGP) was found to increase in vitamin K-deficient patients and may be associated with vascular calcifications. Supplementation of hemodialysis patients with vitamin K2 (menaquinone-7) has been studied in Europe with a maximum 61% drop of dp-ucMGP levels. The aim of this study is to assess first the drop of dp-ucMGP in an Eastern Mediterranean cohort after vitamin K2 treatment and second the correlation between baseline dp-ucMGP and vascular calcification score...
June 7, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28585825/plasmon-mediated-surface-engineering-of-silver-nanowires-for-surface-enhanced-raman-scattering
#20
Gang Lu, Haifeng Yuan, Liang Su, Bart Kenens, Yasuhiko Fujita, Maha Chamtouri, Maria Pszona, Eduard Fron, Jacek Waluk, Johan Hofkens, Hiroshi Uji-I
In this work, we reveal nanoscale morphological changes on the surface of a silver nanowire (AgNW) in the conventional surface-enhanced Raman scattering (SERS) measurement condition. The surface morphology changes are due to the surface plasmon-promoted photochemical etching of silver in the presence of certain Raman probes, resulting in a dramatic increase of Raman scattering intensity. This observation indicates that the measured SERS enhancement does not always originate from the as-designed/fabricated structures themselves, but sometimes with contribution from the morphological changes by plasmon-promoted photochemical reactions...
June 6, 2017: Journal of Physical Chemistry Letters
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