[HTML][HTML] The Aβ (1–38) peptide is a negative regulator of the Aβ (1–42) peptide implicated in Alzheimer disease progression

MO Quartey, JNK Nyarko, JM Maley, JR Barnes… - Scientific Reports, 2021 - nature.com
The pool of β-Amyloid (Aβ) length variants detected in preclinical and clinical Alzheimer
disease (AD) samples suggests a diversity of roles for Aβ peptides. We examined how a …

[HTML][HTML] Alzheimer disease and selected risk factors disrupt a co-regulation of monoamine oxidase-A/B in the hippocampus, but not in the cortex

MO Quartey, JNK Nyarko, PR Pennington… - Frontiers in …, 2018 - frontiersin.org
Monoamine oxidase-A (MAO-A) and MAO-B have both been implicated in the pathology of
Alzheimer disease (AD). We examined 60 autopsied control and AD donor brain samples to …

[HTML][HTML] Profiles of β-amyloid peptides and key secretases in brain autopsy samples differ with sex and APOE ε4 status: impact for risk and progression of Alzheimer …

JNK Nyarko, MO Quartey, PR Pennington, RM Heistad… - Neuroscience, 2018 - Elsevier
The APOE ε4 allele was originally reported to contribute to risk of Alzheimer’s disease (AD)
in women, yet male and female AD patient-derived data are routinely pooled. …

Can animal models inform on the relationship between depression and Alzheimer disease?

JNK Nyarko, MO Quartey, GB Baker… - … Canadian Journal of …, 2019 - journals.sagepub.com
The focus on the β-amyloid (Aβ) peptide in clinical Alzheimer disease (AD) as well as in
animal models of AD has perhaps biased our understanding of what contributes to the …

[HTML][HTML] Glycosylation states of pre-and post-synaptic markers of 5-HT neurons differ with sex and 5-HTTLPR genotype in cortical autopsy samples

JNK Nyarko, MO Quartey, RM Heistad… - Frontiers in …, 2018 - frontiersin.org
The serotonin (5-hydroxytryptamine, 5-HT) transporter (5-HTT) gene-linked polymorphic region
(5-HTTLPR) is thought to alter 5-HT signaling and contribute to behavioral and cognitive …

Age-and sex-dependent profiles of APP fragments and key secretases align with changes in despair-like behavior and cognition in young APPSwe/Ind mice

MO Quartey, JNK Nyarko, PR Pennington… - Biochemical and …, 2019 - Elsevier
Biological sex exerts distinct influences on brain levels of the β-amyloid (Aβ) peptide in both
clinical depression and Alzheimer disease (AD), yet studies in animal models focus …

The 43rd Annual Meeting of the Canadian College of Neuropsychopharmacology, November 4, 2021Role of histone 3.3 lysine 27 methylation in conferring enduring …

…, G Dimitropoulos, JNK Nyarko, MO Quartey… - 2022 - jpn.ca
Background: Depression is a prevalent psychiatric disorder characterized by heterogeneous
symptoms that can last a lifetime and remain even after several courses of antidepressant …

[PDF][PDF] Correlates of non-prescription drug use among adolescents during a pandemic: Evidence from Ghana

AK Morgan, T Quartey, BA Awafo… - Aca J Cli He Re & …, 2022 - researchgate.net
… SRA and MAA were involved in the reviewing and editing of the manuscript. All authors
critically reviewed the manuscript before submission. All authors accept final responsibility for the …

Enhancing the economic potential of organic waste by co-composting using ratio modelling toward a circular economy

MNL Ofei-Quartey, E Appiah-Effah… - … of Material Cycles and …, 2023 - Springer
Co-composting, a circular economy approach to waste management, has economic
potential and environmental benefits through nutrient recycling and waste minimization. This …

The costs of living in the city: influence of urbanization on the trophic niche and body condition of the African rainbow lizard Agama picticauda

…, RS Anderson, JB Mensah, JK Quartey… - European Journal of …, 2023 - Springer
Trophic niche is a fundamental aspect of the ecology and natural history of animals, influencing
their behavior, health, survival, and population dynamics. Although urbanization can …