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CCL2 expression predicts clinical outcomes and regulates E-cadherin and angioge...

Silva, Ana Luísa; Barry, Sayka; Lopes-Pinto, Mariana; Joaquim, Rita; Miranda, Catarina; Reis, Fábio; Miranda, Micaella; Matos, Paulo; Suleyman, Oniz

The crosstalk between tumour cells and microenvironment components in pituitary neuroendocrine tumours (PitNETs), including chemokines, may impact tumour behaviour and clinical outcomes. CCL2 was previously identified as a key chemokine in PitNETs, but its role remains unknown. We aimed to study the role of CCL2 in defining the phenotype and clinical outcomes of PitNETs and in regulating macrophage chemotaxis, ...


Multidisciplinary team care in pituitary tumours

Marques, Pedro; Sagarribay, Amets; Tortosa, Francisco; Neto, Lia; Ferreira, Joana Tavares; Subtil, João; Palha, Ana; Dias, Daniela; Sapinho, Inês

The optimal care for patients with pituitary tumours is best provided in a multidisciplinary and collaborative environment, which requires the contribution of multiple medical specialties working together. The benefits and advantages of the pituitary multidisciplinary team (MDT) are broad, and all relevant international consensus and guidelines in the field recommend that patients with pituitary tumours should ...


Changing human hair fibre colour and shape from the follicle

Matamá, Maria Teresa Gonçalves Macedo; Costa, Cristiana Filipa Chaves; Fernandes, Bruno; Araújo, Rita; Cruz, Célia F.; Tortosa, Francisco

Introduction: Natural hair curvature and colour are genetically determined human traits, that we inten tionally change by applying thermal and chemical treatments to the fibre. Presently, those cosmetic methodologies act externally and their recurrent use is quite detrimental to hair fibre quality and even to our health. Objectives: This work represents a disruptive concept to modify natural hair colour and cur...


The role of PD-L1 expression in pituitary tumours: lessons from the current lit...

Lopes-Pinto, Mariana; Lacerda-Nobre, Ema; Silva, Ana Luísa; Tortosa, Francisco; Marques, Pedro

Background: Programmed cell death-1 (PD-1) and PD ligand-1 (PD-L1) expression predict the biological behaviour, aggressiveness, and response to immune checkpoint inhibitors in different cancers. We reviewed the published data on PD-L1 expression in pituitary tumours from the perspective of its biological role and prognostic usefulness. Summary: A literature review focused on PD-L1 expression in pituitary tumour...


High-intensity infrasound effects on glucose metabolism in rats

Pereira, Gonçalo Martins; Santos, Madalena; Pereira, Sofia S.; Borrecho, Gonçalo; Tortosa, Francisco; Brito, José; Freitas, Diamantino

Recent focus has been given on the effects of high-intensity infrasound (HII) exposure, and whether it induces changes in pancreatic morphology and glucose metabolism is still unknown. As such, we have studied the impact of HII exposure on glucose tolerance, insulin sensitivity, pancreatic islet morphology, muscle GLUT4 and plasma insulin and corticosterone levels. Normal and glucose intolerant wild-type Wistar...


Implicación pronóstica de las células folículo-estrelladas en adenomas hipofisa...

Tortosa, Francisco; Pires, Maria; Ortiz, Santiago

Introduction: Despite progress in understanding its pathogenesis, there has not yet been found any independent predictive marker of aggressive behavior of pituitary adenomas, to facilitate the treatment and monitoring of patients. Aim: To analyze the expression of folliculo-stellate cells by immunostaining with S-100 protein, in a series of patients with pituitary adenomas followed for at least seven years. Pat...


Amniotic fluid embolism.

António, Carlos; Marçal, Nelson; Lopes, Carlos; Tortosa, Francisco; Acevedo, Pilar; Monteiro, Jorge; Monteiro, Filipe; Correia, Llurdes; Brum, Ganriela

Amniotic fluid embolism (AFE) is a rare pathological syndrome, sometimes fatal that arises as an obstetric complication during vaginal delivery, caesarean, immediate postpartum or during pregnancy. It remains as an important cause of fetal and maternal morbidity and mortality. The authors present a clinical report of a young woman who developed an acute respiratory failure during labour demanding invasive mecha...

Date: 2012   |   Origin: Acta Médica Portuguesa

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