GATA4 and GATA6 are transcription factors involved in the differentiation and development of PDAC. GATA6 expression is related to the classic molecular subtype, while its absence is related to the basal-like molecular subtype. The aim was to determine the clinical utility of IHC determination of GATA4 and GATA6 in a series of patients with resected PDAC.
View Article and Find Full Text PDFBackground And Aim: Only 10% of pancreatic ductal adenocarcinoma (PDAC) patients survive longer than five years. Factors underlining long-term survivorship in PDAC are not well understood. Therefore, we aimed to identify the key players in the tumor immune microenvironment (TIME) associated with long-term survivorship in PDAC patients.
View Article and Find Full Text PDFPancreatic ductal adenocarcinoma (PDAC) is an aggressive disease with an overall 5-year survival rate of just 5%. A better understanding of the carcinogenesis processes and the mechanisms of the progression of PDAC is mandatory. Fifty-two PDAC patients treated with surgery and adjuvant therapy, with available primary tumors, normal tissue, preneoplastic lesions (PanIN), and/or lymph node metastases, were selected for the study.
View Article and Find Full Text PDFBackground: to compare the extent of the detached retina and retinal tears location in rhegmatogenous retinal detachment (RRD) among non-mydriatic ultra-wide field (UWF) imaging, dilated fundus exam (DFE), and intraoperative evaluation.
Methods: this retrospective chart review comprised 123 patients undergoing surgery for RRD. A masked retina specialist analyzed the UWF fundus images for RRD area, status of the macula, and presence and location of retinal breaks.
Male broodstock (Litopenaeus vannamei, 36 ± 7 g, n = 600) reproductive performance, spermatophores and reproductive tract melanization, prostaglandin concentrations and biochemical composition were evaluated after including 3.8% Ulva clathrata meal in the diet (dry base) of a commercial hatchery during 45 days. Males fed Ulva had less melanized spermatophores (120 compared with 233, P < 0.
View Article and Find Full Text PDFBackground: The guide for monitoring and treatment of congenital hepatic hemangiomas (CHH) will depend on the subtype and the postnatal clinical behavior. Our aim is to present a series of CHH and characterize its clinical, histologic and genetic correlation, compared to cutaneous congenital hemangiomas (CCH).
Material And Methods: A retrospective review of CHH patients diagnosed between 1991 and 2018 was performed.
The synthesis of aluminum phosphates-based composites has been widely studied during the past decade because of the promising industrial application of these materials. Here we show a simple one-pot heterogeneous precipitation approach to fabricate a sepiolite-phosphate (SepP) composite with adequate control of the size and dispersion of the phosphate nanoparticles. This coupling between aluminum phosphate and sepiolite nanofibers results in the development of a novel three-dimensional rigid supported phosphate structure, which is generated during the thermal treatment.
View Article and Find Full Text PDFUveitis is an inflammatory process that initially starts in the uvea, but can also affect other adjacent eye structures, and is currently the fourth cause of blindness in developed countries. Corticoids are probably the most widespread treatment, but resorting to other immunosuppressive treatments is a frequent practice. Since the implication of different cytokines in uveitis has been well demonstrated, the majority of recent treatments for this disease include inhibitors or antibodies against these.
View Article and Find Full Text PDFResident and infiltrated macrophages play relevant roles in uveitis as effectors of innate immunity and inductors of acquired immunity. They are major effectors of tissue damage in uveitis and are also considered to be potent antigen-presenting cells. In the last few years, experimental animal models of uveitis have enabled us to enhance our understanding of the leading role of macrophages in eye inflammation processes, including macrophage polarization in experimental autoimmune uveoretinitis and the major role of Toll-like receptor 4 in endotoxin-induced uveitis.
View Article and Find Full Text PDFFrontonasal dysplasia is an unusual congenital condition with a wide phenotypic range. Because of this, only a small number of cases and their management have been reported in the literature. The ideal surgical procedures to correct mild cases of frontonasal dysplasia, and the time to perform them, are still controversial.
View Article and Find Full Text PDFThe purpose of this study was to analyze the effect of the media on individuals' specific language use in relation to a news story on immigration: the influence of the news frame and group cue. Abstraction, complexity of language use, and negative affective language were evaluated. The 523 participants were randomly distributed to each of the four experimental conditions: news frame (crime versus economic contribution) by group cue (geographical origin of the immigrants involved: Moroccans versus Latin Americans).
View Article and Find Full Text PDFComp Biochem Physiol B Biochem Mol Biol
October 2012
Wild female Crassostrea corteziensis oyster (n=245) were analyzed over one year to understand the main ecophysiological events associated to gonad development. Different indicators (mainly biochemical) were analyzed to infer: i) utilization and accumulation of energy reserves (e.g.
View Article and Find Full Text PDFMost experimental procedures on molluscs are done after acclimatization of wild animals to lab conditions. Similarly, short-term acclimation is often unavoidable in a field survey when biological analysis cannot be done within the day of sample collection. However, acclimatization can affect the general physiological condition and particularly the immune cell responses of molluscs.
View Article and Find Full Text PDFComp Biochem Physiol A Mol Integr Physiol
September 2011
In a previous study, dietary supplementation with arachidonic acid (ARA) to oysters Crassostrea gigas increased haemocyte numbers, phagocytosis, and production of reactive oxygen species level (ROS) by haemocytes (Delaporte et al., 2006). To assess if the observed stimulation of these cellular responses resulted from changes of ARA-related prostaglandin (PG) production, we analysed prostaglandin E2 metabolite (PGEM) content on the same oysters fed three levels of ARA.
View Article and Find Full Text PDFPurpose: The purposes of this study were to determine whether the association of photodynamic therapy (PDT) and intravitreal ranibizumab could improve vision in a group of patients with choroidal neovascularization secondary to age-related macular degeneration and whether it could reduce the number and frequency of intravitreal injections, thus minimizing adverse effects.
Methods: A nonrandomized, prospective, interventional study was conducted of a case series of 53 patients with sub- and juxtafoveal choroidal neovascularization secondary to age-related macular degeneration treated with a single initial dose of PDT and intravitreal ranibizumab. Retreatments were performed as required with monthly ranibizumab and PDT every 3 months if there were relapses.
The present study aimed to elucidate the effective phylogenetic specificity of distribution of a cis-4,7,10, trans-13-22:4 (22:4(n-9)Delta13trans) among pectinids. For this purpose, we extended the analysis of membrane glycerophospholipids FA composition to 13 species of scallops, covering 11 genera and 7 tribes representatives of the three subfamilies Chlamydinae, Palliolinae and Pectininae and the subgroup Aequipecten. In species belonging to the subfamily Pectininae and the Aequipecten subgroup, 22:4(n-9)Delta13trans was found in substantial amounts, but it was absent in other species belonging to the subfamilies Chlamydinae and Palliolinae.
View Article and Find Full Text PDFThe effects of an artificial bloom of the toxin-producing dinoflagellate, Alexandrium minutum, upon physiological parameters of the Pacific oyster, Crassostrea gigas, were assessed. Diploid and triploid oysters were exposed to cultured A. minutum and compared to control diploid and triploid oysters fed T.
View Article and Find Full Text PDFBackground And Objective: The aim of this article was to analyze the long-term results of patients with exudative age-related macular degeneration treated with photodynamic therapy (PDT).
Patients And Methods: This prospective nonrandomized clinical trial included 262 patients with exudative age-related macular degeneration who were treated with PDT in accordance with the Protocol of the Treatment of Age-Related Macular Degeneration with Photodynamic Therapy Study. The followup lasted 48 months.
Purpose: To evaluate whether combined, personalised photodynamic therapy (PDT) and Bevacizumab in choroidal neovascularization associated with age-related macular degeneration can improve vision, and whether it is possible to decrease the frequency and number of intravitreal antiangiogenics.
Methods: A prospective, noncomparative, interventional study of a case series of 63 patients with exudative age-related macular degeneration, treated with an initial dose of PDT and intravitreal Bevacizumab 24 to 48 hours afterwards. Retreatments were carried out as required with monthly Bevacizumab and PDT every 3 months if there were relapses.
The "chocolate clam" Megapitaria squalida, is widely consumed by the population of several localities along the Pacific coast. Clams collected from seven stations in Bahía de la Paz, a bay within the Gulf of California, before and after the summer rainy season were analyzed for Pb, Ni, Cd, Mn, Zn, Cu, and Fe. The location of the sampling sites significantly affected the concentration of metals in clam tissues, but not in relation to the proximity to alleged contaminated sites.
View Article and Find Full Text PDFEnferm Infecc Microbiol Clin
October 2002
Background: The chromogenic culture medium, MPO, was compared to culture on CLED (cystein, lactose, electrolyte-deficient) agar for the detection, enumeration and identification of urinary tract pathogens.
Methods: A total of 1,080 clinical urine specimens were assessed. All samples were inoculated in MPO and CLED using the calibrated loop method.