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Untangling sex differences in glia-to-neuron communication in chronic alcohol e...

Pacheco, Raquel; Canedo, Teresa; Rodrigues, Ana Margarida; Moreira, Joana; Relvas, João B.; Vieira, Cristina P.; Socodato, Renato; Sumavielle, Teresa

Excessive alcohol consumption is global health challenge with profound neurobiological consequences. Our laboratory has shown that alcohol exposure induces reactive astrocytic changes, affecting gene expression, activity, and proliferation, while also altering microglial morphology and immune responses [1]. This study aims to characterise sex-specific effects of chronic alcohol consumption on the prefrontal cor...


IL-10 and Cdc42 modulate astrocyte-mediated microglia activation in methampheta...

Silva, Ana Isabel; Socodato, Renato; Pinto, Carolina; Terceiro, Ana Filipa; Canedo, Teresa; Relvas, João Bettencourt; Saraiva, Margarida

Methamphetamine (Meth) use is known to induce complex neuroinflammatory responses, particularly involving astrocytes and microglia. Building upon our previous research, which demonstrated that Meth stimulates astrocytes to release tumor necrosis factor (TNF) and glutamate, leading to microglial activation, this study investigates the role of the anti-inflammatory cytokine interleukin-10 (IL-10) in this process....


Deciphering neuroimmune interactions in alcohol intake in mouse model of interm...

Pacheco, Raquel; Canedo, Teresa; Rodrigues, Ana M.; Moreira, Joana; Relvas, João B.; Socodato, Renato; Summavielle, Teresa; Summavielle, Teresa

Excessive alcohol consumption continues to pose a significant global health challenge, with detrimental effects on millions of individuals. Our laboratory has shown that alcohol exposure triggers reactive changes in astrocytes, including alterations in gene expression, activity, and proliferation, while also affecting microglial morphology and immune responses. We are to characterizing the effects of chronic al...


Microglial Rac1 is essential for experience-dependent brain plasticity and cogn...

Socodato, Renato; Almeida, Tiago O.; Portugal, Camila C.; Santos, Evelyn C.S.; Tedim-Moreira, Joana; Ferreira, João Galvão; Canedo, Teresa

Microglia, the largest population of brain immune cells, continuously interact with synapses to maintain brain homeostasis. In this study, we use conditional cell-specific gene targeting in mice with multi-omics approaches and demonstrate that the RhoGTPase Rac1 is an essential requirement for microglia to sense and interpret the brain microenvironment. This is crucial for microglia-synapse crosstalk that drive...


The pro- and anti-inflammatory activity of fatty acids

Salsinha, Ana Sofia; Socodato, Renato; Relvas, João B.; Pintado, Manuela

Inflammation is crucial to maintain homeostasis in the body. The contribution of fatty acids to the inflammatory process is exerted through a variety of mechanisms leading to cell surface modifications, activation of intracellular receptors that control inflammatory signaling processes, and changes in gene expression patterns. While long-chain saturated fatty acids induce NFkB pathway activation through TLR-4 b...


Profiling microglia in a mouse model of Machado–Joseph disease

Campos, Ana Bela; Silva, Sara Duarte; Fernandes, Bruno; Neves, Sofia Pereira das; Marques, Fernanda; Castro, Andreia Teixeira; Carvalho, Andreia Neves

Microglia have been increasingly implicated in neurodegenerative diseases (NDs), and specific disease associated microglia (DAM) profiles have been defined for several of these NDs. Yet, the microglial profile in Machado–Joseph disease (MJD) remains unexplored. Here, we characterized the profile of microglia in the CMVMJD135 mouse model of MJD. This characterization was performed using primary microglial cultur...


Profiling microglia in a mouse model of Machado-Joseph disease

Campos, Ana Bela; Silva, Sara Carina Duarte; Fernandes, B.; Neves, Sofia Pereira; Marques, Fernanda; Castro, Andreia Cristiana Teixeira

Microglia have been increasingly implicated in neurodegenerative diseases (NDs), and specific disease associated microglia (DAM) profiles have been defined for several of these NDs. Yet, the microglial profile in Machado–Joseph disease (MJD) remains unexplored. Here, we characterized the profile of microglia in the CMVMJD135 mouse model of MJD. This characterization was performed using primary microglial cultur...


The peptide secreted at the water to land transition in a model amphibian has a...

Barbosa, Eder Alves; Plácido, Alexandra; Moreira, Daniel C.; Albuquerque, Lucas; Dematei, Anderson; Silva-Carvalho, Amandda É.; Cabral, Wanessa F.

Made available in DSpace on 2022-04-29T08:36:48Z (GMT). No. of bitstreams: 0 Previous issue date: 2021-01-01; In addition to the morphophysiological changes experienced by amphibians during metamorphosis, they must also deal with a different set of environmental constraints when they shift from the water to the land. We found that Pithecopus azureus secretes a single peptide ([M + H]+ = 658.38 Da) at the develo...

Date: 2022   |   Origin: Oasisbr

The peptide secreted at the water to land transition in a model amphibian has a...

Barbosa, Eder Alves; Plácido, Alexandra; Moreira, Daniel C.; Albuquerque, Lucas; Dematei, Anderson; Carvalho, Amandda É. Silva; Cabral, Wanessa F.

In addition to the morphophysiological changes experienced by amphibians during metamorphosis, they must also deal with a different set of environmental constraints when they shift from the water to the land. We found that Pithecopus azureus secretes a single peptide ([M + H]+ = 658.38 Da) at the developmental stage that precedes the onset of terrestrial behaviour. De novo peptide and cDNA sequencing revealed t...

Date: 2022   |   Origin: Oasisbr

CLA and CLNA ameliorate neuroinflammation and cellular oxidation related with w...

Salsinha, Ana Sofia; Socodato, Renato; Rodrigues, Artur; Rodríguez-Alcalá, Luis Miguel; Relvas, João B.; Pintado, Manuela E.


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