Ahmed S. Rizk

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Target gene delivery is needed to induce cellular differentiation or a specific therapeutic effect. Electroporation is a relatively safe and simple technique to deliver nucleic acids to the cell that acts by rendering cells transiently permeable using short periods of high voltage. In stem cell research, human dental pulp stem cells (hDPSCS) are highly(More)
Endogenous Cushing's syndrome is a grave disease that requires a multidisciplinary and individualized treatment approach for each patient. Approximately 80% of all patients harbour a corticotroph pituitary adenoma (Cushing's disease) with excessive secretion of adrenocorticotropin-hormone (ACTH) and, consecutively, cortisol. The goals of treatment include(More)
BACKGROUND Supracondylar humeral fractures are one of the most common skeletal injuries in children. In cases of displacement and instability, the standard procedure is early closed reduction and percutaneous Kirschner wire fixation. However, between 10 and 20 % of patients present late. According to the literature, patients with neglected fractures are(More)
BACKGROUND Bilateral posterior fixation sutures on the medial rectus muscles can be used in the management of nonaccommodative esotropia with criteria indicative of infantile onset. The postoperative results of posterior scleral fixation of bilateral medial rectus muscles on ocular motility and the angle of esotropia in different directions of gaze, as well(More)
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