52 research outputs found
Instalación mecánica de una estación de servicio
El objeto del presente proyecto es la descripción de la instalación mecánica de una
estación de servicio que se ubicará en el polígono de Mutilva Baja, así como las redes de
saneamiento y pluviales de la misma, siempre en concordancia con la normativa vigente.Ingeniería Técnica IndustrialIndustria Ingeniaritza Tekniko
Impact of Age-Related Vision Changes on Driving
Aging leads to impaired visual function, which can affect driving—a very visually
demanding task—and has a direct impact on an individual’s quality of life if their license is
withdrawn. This study examined the associations between age-related vision changes and simulated
driving performance. To this end, we attempted to determine the most significant visual parameters
in terms of evaluating elderly drivers’ eyesight. Twenty-one younger drivers (aged 25–40) were
compared to 21 older drivers (aged 56–71). Study participants were assessed for visual acuity,
contrast sensitivity, halos, and intraocular straylight, which causes veiling luminance on the retina and
degrades vision. Driving performance was evaluated using a driving simulator. The relationships
between simulated driving performance and the visual parameters tested were examined with
correlation analyses and linear regression models. Older drivers presented impairment in most visual
parameters (p < 0.05), with straylight being the most significantly affected (we also measured the
associated effect size). Older drivers performed significantly worse (p < 0.05) in the simulator test,
with a markedly lower performance in lane stability. The results of the multiple linear regression
model evidenced that intraocular straylight is the best visual parameter for predicting simulated
driving performance (R2 = 0.513). Older drivers have shown significantly poorer results in several
aspects of visual function, as well as difficulties in driving simulator performance. Our results suggest
that the non-standardized straylight evaluation could be significant in driver assessments, especially
at the onset of age-related vision changes.ministry of economy and competitiveness (spain)European Union (EU)
FIS2017-85058-Rministry of science, innovation and universities (spain)
FPU15/0557
Systemic Treatment in Glioblastoma
Glioblastoma is the most common primary brain tumor and the initial treatment with maximal safe resection is not curative. In order to improve the prognosis, surgery is completed with radiotherapy and temozolomide, an oral chemotherapy, but overall survival remains poor. Therefore, new efforts are needed to improve these results. In fact, different systemic treatments have been tested but, nevertheless, few advances have been reached despite the development of large clinical trials. This chapter will review the most important findings, achievements, and main studies in this pathology. Standard of care in newly diagnosed and recurrent glioblastoma will be reassessed with the results of clinical trials with targeted agents and immunotherapy. Ongoing studies are evaluating advanced treatments, with chimeric antigen receptor T-cells, biospecific T-cell antibodies, tumor vaccines, and oncolytic viruses, although results are pending, a wide review of these new-generation agents is important to better understand the advances in glioblastoma in the coming years
SEOM-GEINO clinical guidelines for high-grade gliomas of adulthood (2022)
High-grade gliomas (HGG) are the most common primary brain malignancies and account for more than half of all malignant primary brain tumors. The new 2021 WHO classification divides adult HGG into four subtypes: grade 3 oligodendroglioma (1p/19 codeleted, IDH-mutant); grade 3 IDH-mutant astrocytoma; grade 4 IDH-mutant astrocytoma, and grade 4 IDH wild-type glioblastoma (GB). Radiotherapy (RT) and chemotherapy (CTX) are the current standard of care for patients with newly diagnosed HGG. Several clinically relevant molecular markers that assist in diagnosis and prognosis have recently been identified. The treatment for recurrent high-grade gliomas is not well defined and decision-making is usually based on prior strategies, as well as several clinical and radiological factors. Whereas the prognosis for GB is grim (5-year survival rate of 5-10%) outcomes for the other high-grade gliomas are typically better, depending on the molecular features of the tumor. The presence of neurological deficits and seizures can significantly impact quality of life
Circulating fatty acid synthase: an exploratory biomarker to predict efficacy of the dual HER1/HER2 tyrosine kinase inhibitor lapatinib
In silico validation of RNA-Seq results can identify gene fusions with oncogenic potential in glioblastoma
RNA-Sequencing (RNA-Seq) can identify gene fusions in tumors, but not all these fusions have functional consequences. Using multiple data bases, we have performed an in silico analysis of fusions detected by RNA-Seq in tumor samples from 139 newly diagnosed glioblastoma patients to identify in-frame fusions with predictable oncogenic potential. Among 61 samples with fusions, there were 103 different fusions, involving 167 different genes, including 20 known oncogenes or tumor suppressor genes (TSGs), 16 associated with cancer but not oncogenes or TSGs, and 32 not associated with cancer but previously shown to be involved in fusions in gliomas. After selecting in-frame fusions able to produce a protein product and running Oncofuse, we identified 30 fusions with predictable oncogenic potential and classified them into four non-overlapping categories: six previously described in cancer; six involving an oncogene or TSG; four predicted by Oncofuse to have oncogenic potential; and 14 other in-frame fusions. Only 24 patients harbored one or more of these 30 fusions, and only two fusions were present in more than one patient: FGFR3::TACC3 and EGFR::SEPTIN14. This in silico study provides a good starting point for the identification of gene fusions with functional consequences in the pathogenesis or treatment of glioblastoma
Gal-1 Expression Analysis in the GLIOCAT Multicenter Study: Role as a Prognostic Factor and an Immune-Suppressive Biomarker
Glioblastoma (GBM) is the most frequent primary malignant brain tumor and has a dismal prognosis. Unfortunately, despite the recent revolution of immune checkpoint inhibitors in many solid tumors, these have not shown a benefit in overall survival in GBM patients. Therefore, new potential treatment targets as well as diagnostic, prognostic, and/or predictive biomarkers are needed to improve outcomes in this population. The beta-galactoside binding protein Galectin-1 (Gal-1) is a protein with a wide range of pro-tumor functions such as proliferation, invasion, angiogenesis, and immune suppression. Here, we evaluated Gal-1 expression by immunohistochemistry in a homogenously treated cohort of GBM (the GLIOCAT project) and correlated its expression with clinical and molecular data. We observed that Gal-1 is a negative prognostic factor in GBM. Interestingly, we observed higher levels of Gal-1 expression in the mesenchymal/classical subtypes compared to the less aggressive proneural subtype. We also observed a Gal-1 expression correlation with immune suppressive signatures of CD4 T-cells and macrophages, as well as with several GBM established biomarkers, including SHC1, PD-L1, PAX2, MEOX2, YKL-40, TCIRG1, YWHAG, OLIG2, SOX2, Ki-67, and SOX11. Moreover, Gal-1 levels were significantly lower in grade 4 IDH-1 mutant astrocytomas, which have a better prognosis. Our results confirm the role of Gal-1 as a prognostic factor and also suggest its value as an immune-suppressive biomarker in GBM
A comparison of RNA-Seq results from paired formalin-fixed paraffin-embedded and fresh-frozen glioblastoma tissue samples.
The molecular classification of glioblastoma (GBM) based on gene expression might better explain outcome and response to treatment than clinical factors. Whole transcriptome sequencing using next-generation sequencing platforms is rapidly becoming accepted as a tool for measuring gene expression for both research and clinical use. Fresh frozen (FF) tissue specimens of GBM are difficult to obtain since tumor tissue obtained at surgery is often scarce and necrotic and diagnosis is prioritized over freezing. After diagnosis, leftover tissue is usually stored as formalin-fixed paraffin-embedded (FFPE) tissue. However, RNA from FFPE tissues is usually degraded, which could hamper gene expression analysis. We compared RNA-Seq data obtained from matched pairs of FF and FFPE GBM specimens. Only three FFPE out of eleven FFPE-FF matched samples yielded informative results. Several quality-control measurements showed that RNA from FFPE samples was highly degraded but maintained transcriptomic similarities to RNA from FF samples. Certain issues regarding mutation analysis and subtype prediction were detected. Nevertheless, our results suggest that RNA-Seq of FFPE GBM specimens provides reliable gene expression data that can be used in molecular studies of GBM if the RNA is sufficiently preserved
The anti-diabetic drug metformin suppresses self-renewal and proliferation of trastuzumab-resistant tumor-initiating breast cancer stem cells
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