Publications by authors named "Ajayi A"

From preclinical and clinical findings, it has been shown that the amygdala is a critical mediator of stress and primary target for stress effects in the brain. We investigated the neuroprotective effect of Ginkgolide B (GB) in repeated restraint stress-induced behavioral deficit and amygdalar inflammation in mice. Mice were orally pre-treated with GB 20 mg/kg 1 h prior to 4 h restraint stress for 21 consecutive days.

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Background: Under-5 children have been known to bear a significant burden of malaria in endemic countries. Though significant progress has been made towards malaria prevention and control in Nigeria, it is expected that the addition of new malaria prevention strategy, such as perennial malaria chemoprevention (PMC) can contribute to a more rapid decline in malaria cases. This study aimed to determine the prevalence and factors associated with malaria and anaemia among children aged 2-18 months in Osun State.

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This study evaluated the effects of vitamin C and artemether-lumefantrine (AL) on sickness behaviour and oxido-inflammatory response in chronically stressed mice infected with Plasmodium berghei. Sickness behaviour severity was examined with weight and assessment of mice behaviours. Results showed that stress increased parasitaemia in infected mice.

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The role of genomics in public health surveillance has been accentuated by its crucial contributions during the COVID-19 pandemic, demonstrating its potential in addressing global disease outbreaks. While Africa has made strides in expanding multi-pathogen genomic surveillance, the integration into foodborne disease (FBD) surveillance remains nascent. Here we highlight the critical components to strengthen and scale-up the integration of whole genome sequencing (WGS) in foodborne disease surveillance across the continent.

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Several studies indicated that prostate cancer has a hereditary component. In particular, a significant risk of prostate cancer has been linked to a tight familial lineage. However, to provide insight into how prostate cancer is inherited, characterising its genetic profile is essential.

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Reducing antioxidant levels exacerbates the generation of reactive oxygen/nitrogen species, leading to alpha-synuclein aggregation and the degeneration of dopaminergic neurons. These play a key role in the onset of Parkinson's disease (PD), for which effective treatment remains elusive. This study examined the neuroprotective effects of taurine, an essential β-amino acid with antioxidant and antiinflammation properties, in Swiss male mice exposed to rotenone-induced PD.

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Introduction: The therapeutic potential of yeast in the management of depression is unknown. Thus, we evaluated the modulatory effect of nutritional yeast supplementation on antidepressant activity of fluoxetine in mice models of depressive-like behaviors (DLB).

Methods: A total of 112 mice were divided into 16 groups (n = 7 each) for a 3-stage study.

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The current pilot randomized controlled trial evaluated the acceptability, feasibility, and preliminary efficacy of a mental health promotion intervention for college students based on trauma-focused acceptance and commitment therapy (Harris, 2021). This hybrid intervention combined web-based modules with peer coaching in a research lab setting. Seventy-eight students were randomized to either the intervention group, "Present and Open for Values" training, or an active control group, "Crash Course" training.

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Introduction: The Alzheimer's Disease Neuroimaging Initiative-4 (ADNI-4) Engagement Core was launched to advance Alzheimer's disease (AD) and AD-related dementia (ADRD) health equity research in underrepresented populations (URPs). We describe our evidence-based, scalable culturally informed, community-engaged research (CI-CER) model and demonstrate its preliminary success in increasing URP enrollment.

Methods: URPs include ethnoculturally minoritized, lower education (≤ 12 years), and rural populations.

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Background: Adherence to antiretroviral therapy (ART) is crucial for preventing vertical transmission of HIV and maternal deaths. While the literature is replete with studies on ART adherence, the role of social capital in adherence to ART is less studied. Drawing from the social cognitive theory, this study examines the relationship between social capital and post-partum adherence to ART.

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Introduction: Diarrhoeagenic Escherichia coli (DEC) persistently challenges public health in Africa, contributing substantially to the diarrhoeal disease burden. This systematic review and meta-analysis illuminate the distribution and antimicrobial resistance (AMR) patterns of DEC pathotypes across the continent.

Methods: The review selectively focused on pathotype-specific studies reporting prevalence and/or AMR of human-derived DEC pathotypes from African nations, excluding data from extra-intestinal, animal, and environmental sources and studies focused on drug and mechanism experiments.

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While the drivers of adolescent pregnancy are widely studied, few studies have examined the social exclusions associated with early and unintended pregnancy. Drawing data from a larger mixed methods study on the lived experiences of pregnant and parenting adolescents and guided by Amatya Sen's social exclusion framework, this qualitative explanatory study examines how poverty and the contestation around girls' access to comprehensive sexuality education hinder them from preventing unintended pregnancy. It also examines why adolescent pregnancy further results in girls' social exclusion with implications for their health and socioeconomic (dis)empowerment.

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Mass cytometry is a bioanalytic tool based on atomic mass spectrometry for detecting biomarker expression on individual cells. Current reagents employ metal-chelating polymers binding isotopes of hard metal ions. Polymers bearing chelators for soft metal ions offer the promise for a large increase in multiplexing capabilities, but examples reported so far often have unacceptably high levels of nonspecific binding (NSB).

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Purpose: To review the published literature on what has been reported on risk and protective factors for early adolescent sexual and reproductive health (SRH) in the recent decade.

Methods: A scoping review of English language, peer-reviewed literature on risk and protective factors for early adolescent (aged 10-14 years) SRH published between January 2010 and January 2023 using Medline, Web of Science, PsycInfo, CINAHL, and Google Scholar. Articles reporting only on nonmodifiable demographic factors, or on the effect of interventions, were beyond the scope of this review.

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Objective/background: Preference for extended-release, once-nightly sodium oxybate (ON-SXB, FT218) vs twice-nightly immediate-release (IR) oxybate was assessed in participants switching from IR oxybate to ON-SXB in an open-label/switch study, RESTORE (NCT04451668).

Patients/methods: Participants aged ≥16 years with narcolepsy who completed the phase 3 REST-ON trial, were oxybate-naive, or were on a stable IR oxybate dose (≥1 month) were eligible for RESTORE. For participants who switched from twice-nightly dosing to ON-SXB, initial doses were closest or equivalent to their previous nightly IR oxybate dose.

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Introduction: Early childbearing is highly prevalent in Africa. Despite the harmful consequences of early childbearing on young people, there is limited documentation of interventions that aim to improve the health and socioeconomic well-being of young parents on the continent. In this systematic review, we will map and provide a critical synthesis of interventions that aim to improve the health and socioeconomic well-being of young parents in Africa to inform future policy and programmatic decision-making.

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Introduction: Epigenetics studies gene expression changes influenced by environmental and lifestyle factors, linked to health conditions like reproductive aging. Male reproductive aging causes sperm decline, conceiving difficulties, and increased genetic abnormalities. Recent research focuses on epigenetics' role in male reproductive aging.

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Article Synopsis
  • Multidrug resistant bacterial pathogens are widespread and can evade antibiotics through various mechanisms, leading to significant public health issues related to infections such as urinary tract and gastrointestinal infections.
  • This study examined 32 bacterial strains from clinical samples for their antibiotic resistance, biofilm formation, and efflux pump activity using standard testing methods and molecular techniques.
  • The results showed all isolates were resistant to multiple commonly used antibiotics, with varying levels of resistance and biofilm formation, highlighting the need for increased monitoring and control measures for antibiotic resistance in healthcare settings.
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Background: While a few studies have examined barriers to school re-entry among adolescent mothers, studies focusing on the experiences of girls in low-income informal settlements are scarce. We examined the factors that hindered parenting girls living in a resource-constrained urban setting from re-enrolling in school.

Study Setting: We conducted the study in Korogocho, a low-income urban informal settlement in Nairobi, Kenya.

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Background: Depression affects individuals across all age groups, genders, and socio-economic backgrounds. Socio-demographic correlates of depression may include factors such as age, gender, education level, income, and marital status. These factors, including the presence of chronic diseases, have been shown to impact the prevalence and severity of depression.

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Objective: To examine the effect of skoochies, an illicit cocktail drink, on testicular and sperm function in male rats.

Design: Twenty-five adult male Wistar rats were assigned randomly into five groups (n = 5) as follows: normal saline; skoochies; Cannabis sativa; codeine; and tramadol. The cocktail (skoochies) used in this study was formulated with the following composition: codeine (5 mg/kg); tramadol (20 mg/kg); and cannabis extract (2 mg/kg).

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Background: Cardiovascular diseases are one of the prime causes of mortality globally. Therefore, concerted efforts are made to prevent or manage disruptions from normal functioning of the cardiovascular system. Disruption in lipid metabolism is a major contributor to cardiovascular dysfunction.

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Unlabelled: Escherichia coli that harbor the polyketide synthase (pks) genomic island produce colibactin and are associated with sporadic colorectal cancer development. Given the considerable prevalence of pks+ bacteria in healthy individuals, we sought to identify strategies to limit the growth and expansion of pks+ E. coli.

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