We hereby describe a rare case of levosulpiride-induced atypical parkinsonism presenting with sluggish movements, atypical kinetic tremors (tremors with voluntary movement), periorbital tremors, dystonia, difficulty in speech and coordination, postural imbalance, with additional features of difficulty in swallowing and drooling with associated recent onset psychiatric disturbances such as anxiety and low-lying depression. The dechallenge of levosulpiride and medications for associated anxiety and low-lying depression caused a complete remission of the disease within 2 ½ months.
View Article and Find Full Text PDFWe tested the hypothesis that differences in DNA double-strand break (DSB) repair fidelity underlies differences in individual radiosensitivity and, consequently, normal tissue reactions to radiotherapy. Fibroblast cultures derived from a radio-sensitive (RS) breast cancer patient with grade 3 adverse reactions to radiotherapy were compared with normal control (NC) and hyper-radiosensitive ataxia-telangiectasia mutated (ATM) cells. DSB repair and repair fidelity were studied by Southern blotting and hybridization to repetitive sequence and to a specific 3.
View Article and Find Full Text PDFThe purpose of this present study was to investigate the prevalence of overweight and obesity in adult females in the United Arab Emirates. A total number of 724 females, age 20-90 years, were recruited from the seven Emirates. The sample was divided into three age groups, 20 to <30 years, 30 to <60 years and >60 years.
View Article and Find Full Text PDFPurpose: Histone deacetylase (HDAC) inhibitors have emerged recently as promising anticancer agents. They arrest cells in the cell cycle and induce differentiation and cell death. The antitumor activity of HDAC inhibitors has been linked to their ability to induce gene expression through acetylation of histone and nonhistone proteins.
View Article and Find Full Text PDFBackground And Purpose: We previously determined that the density of a rapidly migrating DNA end-binding complex (termed 'band-A') predicts radiosensitivity of human normal and tumor cells. The goal of this study was first to identify the protein components of band-A and to determine if the protein levels of band-A components would correlate with band-A density and radiosensitivity.
Patients And Methods: DNA end-binding protein complex (DNA-EBC) protein components were identified by adding antibodies specific for a variety of DNA repair-associated proteins to the DNA-EBC reaction and then noting which antibodies super-shifted various DNA-EBC bands.
Point mutations and deletions in mitochondrial DNA (mtDNA) accumulate as a result of oxidative stress, including ionizing radiation. As a result, dysfunctional mitochondria suffer from a decline in oxidative phosphorylation and increased release of superoxides and other reactive oxygen species (ROS). Through this mechanism, mitochondria have been implicated in a host of degenerative diseases.
View Article and Find Full Text PDFThe melanoma differentiation-associated gene-7 (mda-7) was identified by virtue of its enhanced expression in human melanoma cells induced into terminal differentiation. Enforced expression of mda-7 in human cancer cell lines of diverse origins results in the suppression of growth and induction of apoptosis. We have shown that adenoviral-mediated mda-7 (Ad-mda7) radiosensitizes non-small-cell lung cancer (NSCLC) cells by enhancing the apoptotic pathway.
View Article and Find Full Text PDFPrevious reports have suggested that measuring radiosensitivity of normal and tumor cells would have significant clinical relevance for the practice of radiation oncology. We hypothesized that radiosensitivity might be predicted by analyzing DNA end-binding complexes (DNA-EBCs), which form at DNA double-strand breaks, the most important cytotoxic lesion caused by radiation. To test this hypothesis, the DNA-EBC pattern of 21 primary human fibroblast cultures and 15 tumor cell lines were studied.
View Article and Find Full Text PDFIonizing radiation is known to improve transfection of exogenous DNA, a process we have termed radiation-enhanced integration. Previous observations have demonstrated that Ku proteins are critical for radiation-enhanced integration. Since Ku proteins form the DNA-binding domain of DNA-PK and since DNA-PK is important in nonhomologous DNA end joining, it was hypothesized that DNA-PK function might be important for radiation-enhanced integration.
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