Background: Commercial delivery cyclists represent a uniquely vulnerable and poorly understood road user. The primary aim of this study was to pilot whether cycling injuries could be categorised as either commercial or non-commercial using documentation entered into routine hospital medical records, in order to determine the feasibility of conducting a large cohort study of commercial cycling injuries in the future. A secondary aim was to determine which key demographic, incident and injury characteristics were associated with commercial versus non-commercial cycling injuries in emergency.
View Article and Find Full Text PDFNovel androgen receptor (AR) signaling inhibitors have improved the treatment of castration-resistant prostate cancer (CRPC). Nonetheless, the effect of these drugs is often time-limited and eventually most patients become resistant due to various AR alterations. Although liquid biopsy approaches are powerful tools for early detection of such therapy resistances, most assays investigate only a single resistance mechanism.
View Article and Find Full Text PDFConcordance between mutations in the primary papillary thyroid carcinoma (PTC) and the paired x lymph node metastasis may elucidate the potential role of molecular targeted therapy in advanced stages. BRAF and NRAS mutations in primary PTC (n = 253) with corresponding metastatic lymph node (n = 46) were analyzed utilizing StripAssays (ViennaLab Diagnostics). Statistical analysis was performed using (SPSS, Inc.
View Article and Find Full Text PDFIn patients with non-small cell lung cancer (NSCLC), epidermal growth factor receptor (EGFR) mutations have been associated with the tumor response to targeted therapy with EGFR tyrosine kinase inhibitors. Although labor intensive and not very sensitive (ie, an analytical sensitivity of 20%), direct sequencing is widely used for mutation detection. This study aimed at evaluating the potential of a test strip-based reverse-hybridization assay (EGFR StripAssay), designed for the simultaneous detection of 16 mutations in exons 18 to 21 of the EGFR gene, to sensitively identify EGFR mutation in DNA from NSCLC tissue samples.
View Article and Find Full Text PDFNeuroendocrine differentiation of tumor tissue has been recognized as an important prerequisite for new targeted therapies. To evaluate the suitability of colorectal cancer (CRC) tissue for these treatment approaches and to find a possible link to pretherapeutic conditions of other targeted strategies, we compared neuroendocrine differentiation and KRAS/NRAS/BRAF/PIK3CA/TP53 mutational status in primary and metastatic CRC. Immunohistochemical expression analysis of neuroendocrine markers chromogranin A and synaptophysin was performed on archival CRC tissue, comprising 116 primary tumors, 258 lymph node metastases and 72 distant metastases from 115 patients.
View Article and Find Full Text PDFBackground: BRAF mutations have been implicated in initiating promutagenic cellular melanocytic proliferation mostly based on homogeneous Western-based cohorts. Data addressing the possible interaction between exposure to different solar ultraviolet radiation (UVR) magnitudes and BRAF mutation rate (BMR) in melanocytic nevi are limited.
Design: Extended BRAF testing for 9 mutations in 225 melanocytic nevus (MN) cases derived from 211 patients from 4 different UVR regions: Lebanon (n = 95; 110 kJ · m(-2) · yr), Syria (n = 23; 93.
Forkhead box protein 3 (Foxp3) is indispensable for the development of CD4(+)CD25(+) regulatory T cells (Tregs). Here we analyzed three prominent evolutionary conserved regions (ECRs) upstream of the transcription start site of the human FOXP3 gene. We show that ECR2 and ECR3 fragments derived from positions -1.
View Article and Find Full Text PDFInt J Biochem Cell Biol
December 2008
The E2F-associated phosphoprotein (EAPP) is a ubiquitous nuclear protein that interacts with the activating members of the E2F family of transcription factors and increases the activity of several cell-cycle regulated promoters in an E2F-dependent manner. Our previous studies also showed that EAPP levels are elevated in most transformed human cells. To examine the molecular basis of this increase of EAPP we isolated and studied the nucleotide sequence at the 5' end of the EAPP gene.
View Article and Find Full Text PDFE2F transcription factors play an essential role in cell proliferation and apoptosis and their activity is frequently deregulated in human cancers. In a yeast two-hybrid screen we identified a novel E2F-binding protein. Due to its strong phosphorylation we named it EAPP (e2F-associated phosphoprotein).
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