232 research outputs found
Errata
No full text In the May/June 2010 issue, one of the author names was incorrect for one of the articles (Tachfouti N, Berraho M, Elfakir S, Serhier Z, Elrhazi K, Slama K, Najjari C. Socioeconomic status and tobacco expenditures among Moroccans: Results of the “Maroc Tabagisme” survey. Am J Health Promot. 2010;24(5):334–339.). “Chakib Najjari” should be “Chakib Nejjari”. The correct citation should be: Tachfouti N, Berraho M, Elfakir S, Serhier Z, Elrhazi K, Slama K, Nejjari C. Socioeconomic status and tobacco expenditures among Moroccans: Results of the “Maroc Tabagisme” survey. Am J Health Promot. 2010;24(5):334–339.). There is an error on page 194 of the January/February 2011 issue (Moss BG, Yeaton WH. Young children's weight trajectories and associated risk factors: results from the Early Childhood Longitudinal Study-Birth Cohort. Am J Health Promot. 2011;25(3):190–198.). Specifically, in the Table 1 † footnote, the text should have read: “Sample totals within each variable may not add to 8900 or 7500 because unweighted sample size numbers are rounded to the nearest 50 in accord with National Center for Educational Statistics guidelines.” This error has been corrected in online and PDF formats. </jats:p
Expression, regulation, and function of αV integrins in hepatocellular carcinoma: An in vivo and in vitro study
No full textThe expression of αV integrins by neoplastic cells contributes to the promotion of local invasion and metastasis. The most characteristic extracellular ligands of αV integrins are vitronectin and fibronectin. Hepatocytes are the main source of vitronectin, and the capacity to synthesize and secrete vitronectin is usually retained in hepatocellular carcinoma. The aim of this study was to explore the expression, regulation, and functional role of αV integrins in hepatocellular carcinoma. We first analyzed the expression of αV integrins and their ligands fibronectin and vitronectin in 80 cases of hepatocellular carcinoma. αV integrin chain was detected in 44 cases and vitronectin in 50. Twenty-four of the 44 αV-positive tumors contained large amounts of vitronectin. These cases presented more frequently with adverse histoprognostic factors, including infiltrative growth pattern (62.5%), lack of capsule (71%), presence of capsular invasion (57%), and satellite nodules (50%). We then used HepG2 and Hep3B cell lines as in vitro models to study αV integrin regulation and function. HepG2 and Hep3B cells expressed αV integrin chain and used αVβ1 and αVβ5 for adhesion and migration on vitronectin. Tumor necrosis factor (TNF) α and transforming growth factor (TGF) β significantly increased the expression levels of αV integrins and stimulated the adhesion and migration of both HepG2 and Hep3B cell lines on vitronectin. The effects of growth factors on cell adhesion and migration were reproduced by incubation with conditioned medium from rat liver myofibroblasts. In conclusion, our results support the existence of an αV integrin/vitronectin connection in hepatocellular carcinoma and suggest that this connection may be an adverse prognostic factor
Normal cones and --convex structure
No full textsummary:The notion of normal cones is used to characterize --convex algebras among unital, symmetric and complete -convex algebras
Study of a neural network-based system for stability augmentation of an airplane
No full textThis study aims to develop, train and evaluate a stability augmentation system for an
airplane, in compilable code (C
++), using neural networks and the equations governing
and airplane motion.
The use of neural networks offers certain advantages in terms of learning capability,
adaptability, fault tolerance and speed of response, which today are of great interest in the design of control systems
Study of a neural network-based system for stability augmentation of an airplane
No full textThis study aims to develop, train and evaluate a stability augmentation system for an
airplane, in compilable code (C
++), using neural networks and the equations governing
and airplane motion.
The use of neural networks offers certain advantages in terms of learning capability,
adaptability, fault tolerance and speed of response, which today are of great interest in the design of control systems
Study of a neural network-based system for stability augmentation of an airplane
No full textThis study aims to develop, train and evaluate a stability augmentation system for an
airplane, in compilable code (C
++), using neural networks and the equations governing
and airplane motion.
The use of neural networks offers certain advantages in terms of learning capability,
adaptability, fault tolerance and speed of response, which today are of great interest in the design of control systems
Mental and Physical Mobile Health Apps: Review
No full textAbstractTremendous development in mobile technologies has emerged as a powerful tool in health care with more than 160,000 mobile health apps available for download from the apps stores. However, there is a lack of meticulous testing for efficacy, reliability and accuracy of these applications. The purpose of this paper is to review the current state of the art of the development of mobile health applications dedicated to chronic and disabling diseases that are manifested by a physical or mental disability in the patient, namely: brain injury, stroke and spinal cord injury; psychoactive substance abuse and addiction, depression, stress, and anxiety. We performed search in both Android and Apple apps stores and developed a database to carry out searches’ results analysis. Many apps dedicated to diagnostic and treatment are designed without involvement of healthcare professionals and there is an inequality of users’ profiles in both mental and physical mobile apps. We plan to evaluate the usefulness, efficiency and suitability of most relevant application in the Moroccan context. Comparison and evaluation of efficacy of these applications is underway
My Pronunciation Coach: Improving English pronunciation with an automatic coach that listens
No full textContains fulltext :
101888.pdf (Publisher’s version ) (Open Access)12 p
Prevalence of disability and rehabilitation needs amongst adult hospitalized patients in a Moroccan university hospital
No full textPrise en charge du diabète au Maroc : résultats de l’International Diabetes Management Practices Study (IDMPS) – Vague 2
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