Results: 1561

Effects of crocin on brain oxidative damage and aversive memory in a 6-OHDA model of Parkinson's disease

Arq. neuropsiquiatr; 74 (9), 2016
ABSTRACT The purpose of the present study was to investigate the effect of crocin on brain oxidative damage and memory deficits in a 6-hydroxydopamine (6-OHDA) model of Parkinson’s disease. Male Wistar rats were subjected to unilateral injection of 6-OHDA (16 µg) into the medial forebrain bundle a...

Propentofylline reduces glial scar development following gliotoxic damage in the rat brainstem

Arq. neuropsiquiatr; 74 (9), 2016
ABSTRACT Propentofylline is a xanthine derivative that depresses activation of glial cells, whose responses contribute to neural tissue damage during inflammation. Ethidium bromide injection into the central nervous system induces local oligodendroglial and astrocytic loss, resulting in primary demyelina...

Autonomic and Renal Alterations in the Offspring of Sleep-Restricted Mothers During Late Pregnancy

Clinics; 71 (9), 2016
OBJECTIVES: Considering that changes in the maternal environment may result in changes in progeny, the aim of this study was to investigate the influence of sleep restriction during the last week of pregnancy on renal function and autonomic responses in male descendants at an adult age. METHODS: After c...

The effect of β-hydroxy-β-methylbutyrate (HMB) on the morphology of skeletal muscle after concurrent training

The aim of the present study was to investigate the effects of β-hydroxy-β-methylbutyrate (HMB) supplementation in association with concurrent training on morphological soleus muscle of rats. Wistar male rats were divided randomly into four groups: Control (C), Supplemented (S), Training (T) an...

Tibial and fibular nerves evaluation using intraoperative electromyography in rats

Acta cir. bras; 31 (8), 2016
ABSTRACT PURPOSE: To evaluate a new model of intraoperative electromyographic (EMG) assessment of the tibial and fibular nerves, and its respectives motor units in rats. METHODS: Eight Wistar rats underwent intraoperative EMG on both hind limbs at two different moments: week 0 and week 12. Supramaxima...

Effect of aqueous extract of the Vigna angularis in rats subjected to an experimental model of moderate chronic kidney disease

Acta cir. bras; 31 (8), 2016
ABSTRACT PURPOSE: To evaluate the effect of the aqueous extract of the Vigna angularis, popularly known as "Azuki beans", in rats subjected to an experimental model of moderate chronic kidney disease. METHODS: Thirty rats underwent two surgeries - Ormrod and Miller (1980) - to obtain Moderate Chronic...

The effects of photobiomodulation therapy on Staphylococcus aureus infected surgical wounds in diabetic rats. A microbiological, histopathological, and biomechanical study

Acta cir. bras; 31 (8), 2016
ABSTRACT PURPOSE: To evaluate the effects of photobiomodulation therapy (PBMT) at 685 nm on diabetic wound healing in rats suffering from bacterial infection induced by Staphylococcus aureus (S. aureus). METHODS: Thirty streptozotocin-induced diabetic rats were allocated into two groups: control and PB...

The beneficial effects of Montelukast against 2 3 7 8 tetrachlorodibenzo dioxin toxicity in female reproductive system in rats

Acta cir. bras; 31 (8), 2016
ABSTRACT PURPOSE: To determine the toxic effect of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on reproductive system and the beneficial effects of Montelukast (ML) with histological and biochemical analysis. METHODS: Rats were randomly divided into four equal groups (control, TCDD, ML and TCDD+ML). Ti...

Enduring amnesia induced by ICV scopolamine is reversed by sesame oil in male rats

Acta cir. bras; 31 (8), 2016
ABSTRACT PURPOSE: To evaluated the long-term effect of scopolamine and sesame oil on spatial memory. METHODS: Memory impairment induced by Intracerebroventricular (ICV) injection of scopolamine hydrochloride (10 μg/ rat). Animals were gavaged for 4 weeks with saline, sesame oil (0.5, 1, or 2 mL/k...

High voltage pulsed current in collagen realignment, synthesis, and angiogenesis after Achilles tendon partial rupture

ABSTRACT Objective To verify the efficacy of high voltage pulsed current in collagen realignment and synthesis and in angiogenesis after the partial rupturing of the Achilles tendon in rats. Method Forty male Wistar rats were randomized into four groups of 10 animals each: sham, cathodic stimulation, a...