Publications by authors named "Helena Cavaleiro"

Background And Purpose: Spinal cord injury (SCI) is a neurological condition that affects motor and sensory functions below the injury site. The consequences of SCI are devastating for the patients, and although significant efforts have been done in the last years, there is no effective therapy. Baclofen has emerged in the last few years as an interesting drug in the SCI field.

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Article Synopsis
  • Traumatic brain injury (TBI) is a significant global health issue with no current neuroprotective treatments, highlighting the need for better drug testing models.
  • Researchers developed a three-dimensional model using organotypic cortical brain slices to simulate TBI and evaluated the effects of mesenchymal stromal cell (MSC) secretome on cell health.
  • The study found that MSC-secretome treatment reduced cell death, improved neuronal structure, and supported glial cell survival, indicating the model's potential for future therapeutic research in TBI.
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The severity and long-term consequences of brain damage in traumatic brain injured (TBI) patients urgently calls for better neuroprotective/neuroreparative strategies for this devastating disorder. Mesenchymal stromal cells (MSCs) hold great promise and have been shown to confer neuroprotection in experimental TBI, mainly through paracrine mechanisms via secreted bioactive factors (i.e.

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Objectives: To investigate, in initial phases of bladder outlet obstruction (BOO), the urinary ATP levels, the incidence of detrusor underactivity (DU), and if they change after deobstruction.

Methods: Adult female Wistar rats submitted to partial BOO (pBOO) and sham-obstruction were used. Cystometry was performed 3 or 15 days after pBOO and fluid was collected from the urethra for ATP determination.

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Article Synopsis
  • Mesenchymal stromal cells (MSCs) show promise in helping animals recover from traumatic brain injury (TBI), especially by improving movement and thinking skills.
  • Researchers reviewed 80 studies to see how well MSCs work, finding that they help reduce brain damage when given soon after an injury.
  • The best results came from using MSCs in special ways, like in a gel or implanting them directly into the injured area.
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The aim of this study was to determine whether aging-related detrusor underactivity (DU) involves a decrease in 5-hydroxytryptamine (5-HT-positive)-expressing urethral cells and whether 5-HT stimulation of urethral sensory fibers improves detrusor function. Cystometries were performed in young (6 months) and aged (18-24 months) female Wistar rats. Aged rats with voiding contractions (VC) that were 2SD below the mean of those in young rats were considered to have DU.

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Aim: To study the contribution of urethral serotonin for the urethro-vesical crosstalk METHODS: Urethane-anesthetized female rats and TPH1 mice underwent isovolumetric or urethral-opened cystometries during intravesical or intraurethral infusion of saline or serotonin solutions. Human and rat bladders and urethrae were immunoreacted against serotonin and neuronal markers. Serotonin concentration and TPH1 mRNA were determined in rat tissue by HPLC and qPCR.

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The use of tumor necrosis factor alpha as a treatment for chronic inflammatory conditions has been shown to be associated with an increased risk of developing infections, especially Mycobacterium tuberculosis, atypical mycobacteria, and other microorganisms. We report the case of a 58-year-old man with ankylosing spondylitis, receiving infliximab treatment, who presented with multiple plaques on the face, chest, and extremities, a thickened, tender ulnar nerve, and severe neuritis of the feet. The results of a biopsy of these lesions revealed histopathological features of lepromatous Hansen disease.

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