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Automated image analysis of lung branching morphogenesis from microscopic image...
Rodrigues, Pedro L.; Rodrigues, Nuno F.; Duque, Duarte; Granja, Sara; Correia-Pinto, Jorge; Vilaça, João L.Background: Regulating mechanisms of branching morphogenesis of fetal lung rat explants have been an essential tool for molecular research. This work presents a new methodology to accurately quantify the epithelial, outer contour and peripheral airway buds of lung explants during cellular development from microscopic images. Methods: The outer contour was defined using an adaptive and multi-scale threshold algo...
Application to quantify fetal lung branching on rat explants
Rodrigues, Pedro L.; Granja, Sara; Moreira, António; F. Rodrigues, Nuno; Vilaça, João L.Recently, regulating mechanisms of branching morphogenesis of fetal lung rat explants have been an essential tool for molecular research. The development of accurate and reliable segmentation techniques may be essential to improve research outcomes. This work presents an image processing method to measure the perimeter and area of lung branches on fetal rat explants. The algorithm starts by reducing the noise c...
The Monocarboxylate Transporter Inhibitor α-Cyano-4-Hydroxycinnamic Acid Disrup...
Granja, Sara Costa; Santos, Filipa Morais; Gonçalves, Vera M.; Ferreira, Manuel Viana; Nogueira, Rosete; Silva, Cristina Nogueira; Pinto, Jorge CorreiaBACKGROUND/AIMS: The human embryo develops in a hypoxic environment. In this way, cells have to rely on the glycolytic pathway for energy supply, leading to an intracellular accumulation of monocarboxylates such as lactate and pyruvate. These acids have an important role in cell metabolism and their rapid transport across the plasma membrane is crucial for the maintenance of intracellular pH homeostasis. This...
RKIP Inhibition in cervical cancer Is associated with higher tumor aggressive b...
Martinho, Olga; Pinto, Filipe; Granja, Sara Costa; Gonçalves, Vera M.; Longatto Filho, Adhemar; Reis, R. M.; Loreto, Celso di; Rosner, Marsha R.Cervical cancer is one of the most common cancers in women worldwide, being high-risk group the HPV infected, the leading etiological factor. The raf kinase inhibitory protein (RKIP) has been associated with tumor progression and metastasis in several human neoplasms, however its role on cervical cancer is unclear. In the present study, 259 uterine cervix tissues, including cervicitis, cervical intraepithelial ...
Downregulation of RKIP is associated with poor outcome and malignant progressio...
Martinho, Olga; Granja, Sara Costa; Jaraquemada, Teresa; Caeiro, Cláudia; Gonçalves, Vera M.; Honavar, Mrinalini; Costa, Paulo; Damasceno, MargaridaMalignant gliomas are highly infiltrative and invasive tumors, which precludes the few treatment options available. Therefore, there is an urgent need to elucidate the molecular mechanisms underlying gliomas aggressive phenotype and poor prognosis. The Raf Kinase Inhibitory protein (RKIP), besides regulating important intracellular signaling cascades, was described to be associated with progression, metastasis ...
The role of monocarboxylate transporters on embryonic development on two animal...
Granja, Sara CostaDissertação de mestrado em Genética Molecular ; According to the literature, the human embryo and human placenta develop in a hypoxic environment during the first trimester. In this way, cells have to resource to glycolitic pathways for energy supply, leading to an intracellular accumulation of monocarboxylates such as lactate and pyruvate. These acids have an important role in cell metabolism and their rapid ...
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