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In pregnancy, there is a significant risk for developing embryos to be adversely affected by everyday chemicals such as food additives and environmental toxins. In recent times, several studies have documented the detrimental effect of exposure to such chemicals on the behaviour and neurodevelopment of the offspring. This study evaluated the influence of the food additive, monosodium glutamate (MSG), on behaviour and development in mice. Pregnant dams were exposed to MSG 2 or 4 g/kg or distilled water from gestation day 10–20. On delivery, postnatal day 1 (PN 1), 3 pups were sacrificed and whole brain samples assayed for KCC2 expression by western blot. The remaining pups were housed until PN 43 before commencing behavioural assessment. Their weights were measured at birth and at 3 days intervals until PN 42. The impact of prenatal exposure to MSG on baseline exploratory, anxiety and depression behaviours as well as spatial and working memory was assessed. In utero exposure to 4 g/kg MSG significantly reduced exploratory drive and increased depression‐like behaviours but did not exert any significant impact on anxiety‐like behaviours (p < 0.01). Additionally, there was a two‐fold increase in KCC2 expression in both 2 and 4 g/kg MSG‐exposed offspring. Conclusion This study indicates that, in utero exposure to MSG increases the expression of KCC2 and causes significant effect on locomotion and depression‐like behaviours but only marginally affects memory function.

Background Cerebral malaria (CM) is a preeminent cause of severe disease and premature deaths in Sub-Saharan Africa, where an estimated 90% of cases occur. The key features of CM are a deep, unarousable coma that persists for longer than 1 h in patients with peripheral Plasmodium falciparum and no other explanation for encephalopathy. Significant research efforts on CM in the last few decades have focused on unravelling the molecular underpinnings of the disease pathogenesis and the identification of potential targets for therapeutic or pharmacologic intervention. These efforts have been greatly aided by the generation and study of mouse models of CM, which have provided great insights into key events of CM pathogenesis, revealed an interesting interplay of host versus parasite factors that determine the progression of malaria to severe disease and exposed possible targets for therapeutic intervention in severe disease. Main Body This paper reviews our current understanding of the pathogenic and immunologic factors involved in CM. We present the current view of the roles of certain gene products e.g., the var gene, ABCA-1, ICAM-1, TNF-alpha, CD-36, PfEMP-1 and G6PD, in CM pathogenesis. We also present alterations in the blood–brain barrier as a consequence of disease proliferation as well as complicated host and parasite interactions, including the T-cell immune reaction, reduced deformation of erythrocytes and cytoadherence. We further looked at recent advances in cerebral malaria treatment interventions by emphasizing on biomarkers, new diagnostic tools and emerging therapeutic options. Conclusion Finally, we discuss how the current understanding of some of these pathogenic and immunologic factors could inform the development of novel therapeutic interventions to fight CM.

Objective The use of agarose in nucleic acid electrophoresis is the gold standard. However, agarose is very expensive and not readily available in resource limited developing countries like Ghana. Hence, finding a more affordable and readily available alternative to agarose will be a major boost to molecular research in developing countries. This study was aimed at investigating the use of corn starch as a potential substitute for agarose in DNA gel electrophoresis. Results Genomic deoxyribonucleic acid (DNA) extracted from Plasmodium falciparum and primers were obtained from the West African Centre for Cell Biology of Infectious Pathogens and amplified using polymerase chain reaction. The amplicon was run on agarose gel to ascertain the molecular weight (as a positive control). When visualized under both blue light and ultraviolet light, the DNA and ladder showed clear and clean bands with the expected molecular weight. Corn starch was then modified with sodium borate buffer, casted into a gel and used to run the same DNA sample. Our findings indicated that similar to agarose, the DNA sample and ladder migrated successfully through the modified starch gel but no bands were visible when visualized under blue and ultra-violet light.

Background Since its emergence, Coronavirus Disease 2019 (COVID-19) has infected over half a billion people, killed over 6 million others, and ravaged the global economy on a scale that is unprecedented in recent history. In response, a global health emergency was launched that led to further disruptions in the ordinary way of life of people. The knowledge, attitudes, and practices (KAP) of people towards COVID-19 are central to infection control policies and the future course of the pandemic. Methods We employed an interviewer-administered, cross-sectional survey to examine the KAP of salespersons in a local market and sanitation workers of a public institution within the Cape Coast Metropolis of Ghana. Results were analysed by frequencies of responses for each KAP item on the questionnaire. Sociodemographic variables that predicted good knowledge of COVID-19 or preventive practices were determined using adjusted odds ratios (aORs). Results Out of the 206 participants, 123 (59.7%) obtained a knowledge score ≥16.75 out of a total of 21, which was the threshold for good knowledge, while 41.3% were classified as possessing poor knowledge. On good attitudes towards COVID-19 prevention, 141 participants (68.4%) scored ≥10.69 out of 12 to pass the threshold, while 31.6% had poor attitudes. Being female (aOR=6.19, P<0.001) or possessing a high school education (aOR=0.25, P=0.009) significantly predicted high knowledge scores. Being in the 15-30 age group (aOR=6.91, P=0.003) significantly predicted poor attitudes, while possessing a high school education (aOR=0.11, P<0.001) significantly predicted good attitudes. Conclusions The findings of this study underscore the need for intensified, targeted educational campaign on COVID-19 as the world prepares to live with the disease for the long while.