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Neuroinflammation and Parkinson’s disease - from neurodegeneration to therapeut...

Araújo, Bruna; Silva, Rita Caridade; Soares-Guedes, Carla; Martins-Macedo, Joana; Gomes, Eduardo Domingos Correia; Monteiro, Susana

Parkinson’s disease (PD) is the second most prevalent neurodegenerative disorder worldwide. Clinically, it is characterized by a progressive degeneration of dopaminergic neurons (DAn), resulting in severe motor complications. Preclinical and clinical studies have indicated that neuroinflammation can play a role in PD pathophysiology, being associated with its onset and progression. Nevertheless, several key poi...


Preclinical assessment of mesenchymal-stem-cell-based therapies in spinocerebel...

Correia, Joana Sofia Silva; Carvalho, Andreia Alexandra Neves; Pinheiro, Bárbara Filipa Mendes; Pires, Joel Pereira; Teixeira, Fábio Gabriel Rodrigues

The low regeneration potential of the central nervous system (CNS) represents a challenge for the development of new therapeutic strategies for neurodegenerative diseases, including spinocerebellar ataxias. Spinocerebellar ataxia type 3 (SCA3)—or Machado–Joseph disease (MJD)—is the most common dominant ataxia, being mainly characterized by motor deficits; however, SCA3/MJD has a complex and heterogeneous pathop...



Mesenchymal stem cells-derived exosomes: A new possible therapeutic strategy fo...

Vilaça-Faria, Helena; Salgado, A. J.; Teixeira, Fábio Gabriel Rodrigues

Parkinson’s disease (PD) is the second most prevalent neurodegenerative disorder worldwide. Clinically, it is characterized by severe motor complications caused by a progressive degeneration of dopaminergic neurons (DAn) and dopamine loss. Current treatment is focused on mitigating the symptoms through administration of levodopa, rather than on preventing DAn damage. Therefore, the use and development of neurop...


Mesenchymal stem cell secretome improves tendon cell viability in vitro and ten...

Sousa, Nuno Eduardo Sevivas; Teixeira, Fábio Gabriel Rodrigues; Portugal, Raquel; Direito-Santos, Bruno; Espregueira-Mendes, João; Oliveira, Filipe J.

BACKGROUND: Massive rotator cuff tears (MRCTs) represent a major clinical concern, especially when degeneration and chronicity are involved, which highly compromise healing capacity. PURPOSE: To study the effect of the secretome of mesenchymal stem cells (MSCs) on tendon cells (TCs) followed by the combination of these activated TCs with an electrospun keratin-based scaffold to develop a tissue engineering stra...


Exploiting the impact of the secretome of MSCs isolated from different tissue s...

Silva, Rita Catarina Assunção Ribeiro; Pinheiro, Bárbara Filipa Mendes; Patrício, Patrícia; Behie, Leo A.; Teixeira, Fábio Gabriel Rodrigues

Cell transplantation using Mesenchymal stem cell (MSC) secretome have recently been presented as a possible free-based therapy for CNS related disorders. MSC secretome is rich in several bio-factors that act synergically towards the repair of damaged tissues, thus making it an ideal candidate for regenerative applications. Great effort is currently being made to map the molecules that compose the MSC secretome....


Influence of passage number on the impact of the secretome of adipose tissue st...

Serra, Sofia Cravino; Costa, João C.; Silva, Rita Catarina Assunção Ribeiro; Teixeira, Fábio Gabriel Rodrigues; Silva, Nuno André Martins

Mesenchymal stem cells (MSCs), and within them adipose tissue derived stem cells (ASCs), have been shown to have therapeutic effects on central nervous system (CNS) cell populations. Such effects have been mostly attributed to soluble factors, as well as vesicles, present in their secretome. Yet, little is known about the impact that MSC passaging might have in the secretion therapeutic profile. Our aim was to ...


Co-Transplantation of Adipose Tissue-Derived Stromal Cells and Olfactory Enshea...

Gomes, Eduardo D.; Mendes, Sofia Silva; Silva, Rita Catarina Assunção Ribeiro; Teixeira, Fábio Gabriel Rodrigues; Pires, Ana O.; Anjo, Sandra I.

Patients suffering from spinal cord injury (SCI) still have a dismal prognosis. Despite all the efforts developed in this area, currently there are no effective treatments. Therefore, cell therapies have been proposed as a viable alternative to the current treatments used. Adipose tissue-derived stromal cells (ASCs) and olfactory ensheathing cells (OECs) have been used with promising results in different models...


Safinamide: a new hope for Parkinson's disease?

Teixeira, Fábio Gabriel Rodrigues; Gago, Miguel F.; Marques, Paulo César Gonçalves; Moreira, Pedro Miguel Silva; Magalhães, Ricardo José Silva

The loss of dopaminergic neurons (DAn) and reduced dopamine (DA) production underlies the reasoning behind the gold standard treatment for Parkinson's disease (PD) using levodopa (L-DOPA). Recently licensed by the European Medicine Agency (EMA) and US Food and Drug Administration (FDA), safinamide [a monoamine oxidase B (MOA-B) inhibitor] is an alternative to L-DOPA; as we discuss here, it enhances dopaminergic...


Secretome of Undifferentiated Neural Progenitor Cells Induces Histological and ...

Pinheiro, Bárbara Filipa Mendes; Teixeira, Fábio Gabriel Rodrigues; Anjo, Sandra I.; Manadas, Bruno; Behie, Leo A.; Salgado, A. J.

Parkinson's disease (PD) is a progressive neurodegenerative movement disorder that results from the death of dopamine (DA) neurons. Over recent years, differentiated or undifferentiated neural stem cells (NSCs) transplantation has been widely used as a means of cell replacement therapy. However, compelling evidence has brought attention to the array of bioactive molecules produced by stem cells, defined as secr...


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