Search results for "Micro"
showing 10 items of 23412 documents
FUNCTIONAL GENOMIC APPROACHES TO ELUCIDATE BIOTIC AND ABIOTIC STRESS RESPONSES IN PLANTS
Análisis del perfil de expresión de microRNAs en tejido embrionario sano y ectópico
2016
La placentación es un proceso fundamental en el éxito de la reproducción, sometido a una estrecha regulación donde el trofoblasto juega una función clave. Este proceso se realiza adecuadamente gracias a la relación estrictamente regulada entre los tejidos materno-fetales, donde intervienen multitud de moléculas y receptores; por tanto es necesario un correcto desarrollo de dicho proceso para asegurar una gestación a término saludable, y la invasión anómala del trofoblasto conducirá a un gran abanico de complicaciones, entre ellas el embarazo ectópico. El proceso de placentación está alterado en las gestaciones ectópicas, produciéndose la implantación fuera de la cavidad endometrial. Las alt…
miRNAs in the metaplastic transformation of the esophagus: something in the way toward carcinogenesis.
Background: Barrett's esophagus (BE) is a precancerous lesion that predisposes to development of esophageal adenocarcinoma (EAC) and it is associated with gastroesophageal reflux disease. Genetic changes involved in the metaplastic progression from squamous esophageal mucosa toward Barrett’s metaplasia and adenocarcinoma are almost unknown and there is an increasing interest in the developing of more objective biomarkers that can improve risk prediction. Several evidences suggest that some miRNAs are differentially expressed in the BE and EAC. Among them, miR-143, miR-145, miR-194, miR-203, miR-205, miR-215 appear to have a key role in the metaplasia and in neoplastic progression. Aim: The …
Role of microRNAs in fetal heart development and in isolated cardiac progenitor cells
2012
The vesicular transfer of CLIC1 from glioblastoma to microvascular endothelial cells requires TRPM7.
2018
Chloride intracellular channel 1 (CLIC1) is highly expressed and secreted by human glioblastoma cells and cell lines such as U87, initiating cell migration and tumor growth. Here, we examined whether CLIC1 could be transferred to human primary microvascular endothelial cells (HMEC). We previously reported that the oncogenic microRNA, miR-5096, increased the release of extracellular vesicles (EVs) by which it increased its own transfer from U87 to surrounding cells. Thus, we also examined its effect on the CLIC1 transfer. In homotypic cultures, miR-5096 did not increase the expression of CLIC1 in U87 nor in HMEC. However, the endothelial CLIC1 level increased after exposure to EVs released b…
SHORT-TERM VARIABILITY OF 24H SYSTOLIC BLOOD PRESSURE IS ASSOCIATED WITH MICROALBUMINURIA IN PATIENTS WITH PRIMARY HYPERTENSION
2015
Objective: Limited and conflicting data are available about the association between shortterm blood pressure (BP) variability and urinary albumin excretion rate (uAER). The objective of our study was to analyze the relationships between microalbuminuria, defined as an uAER between 20 and 200mg/ min, and shortterm BP variability, assessed as average real variability (ARV), weighted standard deviation (SD) of 24h BP, and as SD of daytime and nighttime BP. Design and method: The study population consisted of 315 untreated essential hypertensives with normal estimated glomerular filtration rate (> 60ml/min/1.73 m2), which underwent 24h ambulatory BP monitoring and 24h uAER determination. Result…
The Association of Microalbuminuria With Aortic Stiffness is Independent of C-Reactive Protein in Essential Hypertension
2009
Assessment of microalgae species, biomass, and distribution from spectral images using a convolution neural network
2022
AbstractEffective monitoring of microalgae growth is crucial for environmental observation, while the applications of this monitoring could also be expanded to commercial and research-focused microalgae cultivation. Currently, the distinctive optical properties of different microalgae groups are targeted for monitoring. Since different microalgae can grow together, their spectral signals are mixed with ambient properties, making estimations of species biomasses a challenging task. In this study, we cultured five different microalgae and monitored their growth with a mobile spectral imager in three separate experiments. We trained and validated a one-dimensional convolution neural network by…
Catalytic Conversion of Glucose and Chlorella sp. into Furans in the Presence of Niobium Oxide
2023
A series of Nb2O5 solid catalysts have been prepared to be used for the catalytic dehydration of glucose and sugars from algae Chlorella sp. into added value furans. The glucose transformation gave rise to 5-hydroxymethylfurfural (5-HMF). Chlorella sp. was used in the same catalytic conditions to be valorised to furans. By preliminary studies we concluded that the algae aqueous suspension needed a previous treatment in the presence of SiO2 pellets to liberate the carbohydrates that in the catalytic reaction in the presence of Nb2O5 materials gave rise 5-HMF and furfural. The best operative conditions and Nb2O5 catalysts were individuated. The most performant Nb2O5 catalyst also showed an ex…
Możliwości energetycznego wykorzystania biomasy mikroalg
2016
Niniejsze opracowanie przedstawia możliwości zastosowania mikroalg do produkcji biopaliw III generacji - biodiesla, bioetanolu i biowodoru. Opisano parametry - CO2, temperatura, pH, światło i inne - zapewniające optymalne warunki hodowli mikroalg w fotobioreaktorach. Dokonano charakterystyki fotobioreaktorów, pod kątem ich przydatności do hodowli mikroalg na cele energetyczne. Przedstawiono metody termochemicznego i biochemicznego przetwarzania biomasy glonów stosowane do produkcji poszczególnych biopaliw.