Publications by authors named "Bamidele Owoyele"

Schizophrenia is a psychotic disorder affecting approximately 0.32% of the global population. Despite advancements in pharmacological treatments, many patients with schizophrenia continue to experience significant impairments, and approximately one-third of these patients do not respond to antipsychotic drugs.

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Chronic exposure to glyphosate-based herbicide (Gly) has been associated with neurological disorders. Tannic acid (TA) is an antioxidant with attenuating action against neuroinflammation-associated conditions. This study evaluated the effect of Gly on pain perception alongside antinociceptive and anti-inflammatory actions of TA in Gly-exposed mice.

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  • Parkinson's disease (PD) is a neurodegenerative disorder caused by the loss of dopaminergic neurons, leading to both motor and non-motor symptoms that impact patients' quality of life and society.
  • Various factors contribute to the progression of PD, such as oxidative stress and mitochondrial dysfunction, prompting interest in alternative treatments like nutrition and plant extracts alongside traditional pharmacological therapies.
  • The review analyzes evidence showing how certain dietary compounds and nutraceuticals may provide protective benefits for PD by improving mitochondrial function and reducing inflammation, while also discussing challenges in applying these findings to clinical practice.
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L-DOPA, the gold standard for managing Parkinson's disease (PD) is fraught by motor fluctuations termed L-Dopa-Induced Dyskinesia (LID). LID has very few therapeutic options. Hence, the need for preclinical screening of new interventions.

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Background: leaves and fruits of are used locally in the management of fever in Nigeria. No scientific credence has been lent to this claim.

Objective: To investigate the antipyretic effect and potency of aqueous extracts of leaves and fruits of in albino rats.

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Schizophrenia is a psychiatric disorder with a global prevalence of approximately 0.45%. It is considered a mental illness, with negative symptoms, positive symptoms, and cognitive dysfunction.

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The present study was designed to investigate the effects of caffeine and adrenaline administration on memory and anxiety in male rats. Rats weighing about 140-200g were used for the study. They were divided into three groups (4 animals per group).

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  • The study explored how combining acetaminophen and L-carnosine affects pain relief in rats with neuropathic pain caused by chronic constriction injury.
  • Results showed significant pain relief, with increased pain thresholds and reduced levels of inflammatory markers in the spinal cord of treated rats.
  • The combination treatment also boosted antioxidant enzyme activity and diminished lipid peroxidation, indicating its potential anti-inflammatory effects in managing neuropathic pain.
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Aims: (BF), an African traditional plant and its species have been widely used as brain tonic for memory enhancement. It has also been reported to help relieve anxiety and some psychological disorders. This study aimed to investigate the mechanisms of action of BF on Amyloid beta (Aβ) 1-42 peptides induced cognitive deficit in male Wistar rats.

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  • Neuropathic pain (NP) stems from damage to the somatosensory nervous system, leading to significant quality of life issues and challenges in treatment due to limited effective medications.
  • This study investigated the combined effects of glucosamine sulfate (GS) and chondroitin sulfate (CS) in reducing NP
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  • Bacopa floribunda (BF) is traditionally used in Southwestern Nigeria as a memory enhancer and brain tonic, but there is a lack of scientific research on its effects against dementia.
  • The study aimed to evaluate the effects of BF's flavonoids and saponins on dementia, specifically through testing their impact on Alzheimer’s disease-related Amyloid beta (Aβ1-42) in mice.
  • Results showed that BF extracts effectively reduced oxidative stress and neuroinflammation caused by Aβ1-42, with higher doses of saponins and flavonoids proving most effective in mitigating these symptoms.
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  • The study explored how selenium (Se) might help reduce pain from MPTP-induced neurotoxicity in Swiss mice.
  • Seven days post-MPTP injection, various treatment groups were compared, including those receiving DOPA and different dosages of Se, to assess their effects on motor coordination and pain responses.
  • Results showed that while both Se and DOPA improved motor activity and pain thresholds, Se also decreased levels of pro-inflammatory cytokines and helped regulate pain biomarkers in the brain, indicating its potential as a pain-relieving supplement that needs further investigation.
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Background: Several animal models are continually being developed to study diabetic complication. Several conflicting regimen for diabetes induction exist in the literature with varying dose strength and regimen for different study interest in diabetes. This study aims to show the effect of high dose streptozotocin (STZ) on the one hand compared with multiple low doses after high fat diet induction on diabetic cardiac autonomic neuropathy (DCAN).

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Objectives: Damage to the peripheral and central nervous system lead to Neuropathic pain (NP) which is a widespread and devitalizing condition. chondroitin sulfate (CS), has been used in managing joint pain and osteoarthritis. In this study, the effectiveness of CS on NP induced by chronic constriction injury (CCI) is examined.

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  • The study examined the combined effects of lithium chloride (LiCl) and vitamin E (Vit E) on pain relief from chronic constriction injury (CCI)-induced peripheral neuropathy in male Wistar rats.
  • Both substances showed potential anti-inflammatory and neuroprotective properties that could enhance their pain-relieving effects when used together.
  • The results indicated that co-administration of LiCl and Vit E significantly improved pain sensitivity, exploratory behavior, and biochemical markers associated with inflammation and oxidative stress compared to single treatments.
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Objectives: There has been increasing recognition of the significant relationship between the autonomic nervous system and cardiovascular sequel in diabetes mellitus (DM) patients. Diabetic cardiac autonomic neuropathy (DCAN) still poses a treatment challenge in the clinical settings despite several research interventions. This study was designed to investigate the effect of carvedilol on experimentally induced DCAN in type 2 DM rat model.

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  • The study investigates pain sensation related to Plasmodium falciparum infection, highlighting a gap in understanding its neural mechanisms and their role in malaria-related death.
  • Pb-infected Swiss mice showed decreased pain responses compared to a control group, suggesting the malaria parasite may induce pain relief through specific brain receptors.
  • The findings indicate that the pain processing system is not significantly involved in malaria-related mortality, and the mouse model may not accurately reflect human malaria-associated pain symptoms.
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The involvement of pro-inflammatory mediators complicates the complex mechanism in neuropathic pain (NP). This study investigated the roles of bromelain against pro-inflammatory mediators as a mechanism that underpins its antinociceptive and anti-anxiety effects in the peripheral model of NP. Sixty-four male Wistar rats randomly divided into eight groups, were used for the study.

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Objectives: Heart rate variability (HRV) has been shown to represents a promising quantitative marker of autonomic activity. Studies have shown that diabetic patients and animal models have derangements in certain biochemical parameters with reduced cardiac nerve density following development of diabetic cardiac autonomic neuropathy (DCAN). This study, therefore, aims to correlate HRV indices, cardiac histology, and cardiac nerve density with selected biochemical markers in the DCAN rat model using high fat diet (HFD) and streptozotocin (STZ) induction.

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  • L-DOPA, the main treatment for Parkinson's disease, can lead to motor deficits after long-term use, prompting research into Vitamin D3's (VD3) potential benefits for this condition.
  • In a study with mice, PD was induced, and various treatments were administered, including VD3, L-DOPA, and a combination of both, with significant improvements observed in motor and cognitive functions with VD3 treatment.
  • VD3 was found to enhance key proteins related to dopamine regulation and decrease markers of oxidative stress and inflammation, suggesting it could help manage PD symptoms and reduce reliance on L-DOPA.
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The toxicological effects of lead and its compounds have overshadowed its possible health beneficial effects. Currently, the success rate for treating neuropathic pain has been very low. This study investigated the antinociceptive effects of orally administered low dose lead acetate in sciatic nerve ligated Wistar rats.

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Introduction: There has been an increase in the global prevalence of diabetic polyneuropathy and research evidence suggests that insulin resistance plays an important role in its development and prognosis. However, there seem to be a dearth of information in understanding the likely interplay between beta endorphin, insulin resistance and pain perception especially in the setting of painful diabetic neuropathy.

Method: This study recruited 120 volunteers divided into four groups (30 per group): group 1 healthy volunteer (control); group 2 DM type 2 without neuropathy (DM group); group 3 DM type 2 with painful neuropathy (DPN group); group 4 DM type 2 without painful neuropathy (DN).

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Background: The continuous search for a novel neuropathic pain drug with few or no side effects has been a main focus of researchers for decades. This study investigated the antinociceptive and neuroprotective effects of bromelain in sciatic nerve ligation-induced neuropathic pain in Wistar rats.

Methods: Forty-eight Wistar rats randomly divided into eight groups comprised of six animals each were used for this study.

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