Carbapenemase Production and Detection of Colistin-Resistant Genes in Clinical Isolates of from the Ho Teaching Hospital, Ghana.

Background: Effective and successful treatment of infectious diseases is a significant gain in clinical settings. However, resistance to antibiotics, especially the last-resort medicines, including carbapenems and colistin is on the rise.

Aim: The aim of this study was to detect carbapenemase production and colistin-resistant genes in clinical isolates of .

Toxicogenic Fungi, Aflatoxins, and Antimicrobial Activities Associated with Some Spices and Herbs from Three Selected Markets in Ho Municipality, Ghana.

Spices and herbs are widely used food ingredients that enhance most organoleptic features of prepared foods. They are also used for medicinal and preservative purposes. Spices and herbs are potential carriers of bacteria, yeasts, and molds due to the nature of cultivation, harvest methods, storage conditions, packaging procedures, distribution, sale, and general handling.

Molecular epidemiological surveillance of viral agents of acute lower respiratory tract infections in children in Accra, Ghana.

Background: Acute lower respiratory tract infection (ALRTI) in children under 5 years is known to be predominantly caused by respiratory syncytial virus (RSV). In recent times, however, human metapneumovirus (HMPV) has also been implicated. This study sought to investigate and genotype respiratory syncytial virus and human metapneumovirus in children presenting with ALRTIs infection at the Princess Marie Louis Children's Hospital in Accra, Ghana.

Antifungal Activities of Phytochemically Characterized Hydroethanolic Extracts of Leaves and Stem Bark against Fluconazole-Resistant Strains.

The study evaluated the antifungal activities of the 70% ethanol extracts of leaves (SBL) and stem bark (SBB) against strains and fluconazole-resistant isolates, their antifungal effects in combination with conventional antifungals as well as their effects on the biofilms of the strains and isolates. UPLC-QTOF-MS/MS analysis was then carried out to investigate the metabolite profile of the extracts and UPLC fingerprints developed for their routine identification as part of quality control measures. The extracts exhibited considerable antifungal activity with MIC ranging from 12.

Oxidative stress and associated clinical manifestations in malaria and sickle cell (HbSS) comorbidity.

In Ghana, uncomplicated malaria and sickle cell disease (SCD) is common, hence comorbidity is not farfetched. However, the extent of oxidative stress and the array of clinical manifestations in this comorbidity (presence of both malaria and SCD) has not been fully explored. This study highlights the impact of uncomplicated malaria on SCD.

Ecological and seasonal variations and other factors associated with clinical malaria in the Central Region of Ghana: A cross-sectional study.

Background: This study investigated malaria transmission under various contrasting settings in the Central Region, a malaria endemic region in Ghana.

Methods: This cross-sectional study was carried out in five randomly selected districts in the Central Region of Ghana. Three of the districts were forested, while the rest was coastal.

Prevalence and Distribution of Vaccine-Preventable Genital Human Papillomavirus(HPV) Genotypes in Ghanaian Women Presenting for Screening.

Background: Cervical cancer is the most common gynaecologic cancer in Ghana where it is also the second most common cause of all female cancers. A number of vaccines are available to provide both individual and population-level protection against persistent infection with high-risk human papillomaviruses (HR-HPV) and reduce the burden of cervical cancer. Data on the epidemiology of vaccine-preventable papillomaviruses in Ghana is scant.

Current perspectives on supercharging reagents in electrospray ionization mass spectrometry.

In electrospray ionization mass spectrometry (ESI-MS), analytes are introduced into the mass spectrometer in typically aqueous-organic solvent mixtures, including pH modifiers. One mechanism for improving the signal intensity and simultaneously increasing the generation of higher charge-state ions is the inclusion of small amounts (approx. <0.

Bioassay-Guided Fractionation, ESI-MS Scan, Phytochemical Screening, and Antiplasmodial Activity of .

Background: is a plant species with reported numerous medicinal potentials and secondary metabolites. Various parts of the plant have been applied for the treatment of hernia, rheumatism, pain, lumbago, malaria, etc. The study seeks to evaluate the phytochemical constituents, antiplasmodial, and ESI-MS scan of bioassay-guided fractions from the methanol extract of the bark of the plant.

Antibiofilm Activity of and and Their Synergistic Effects in Combination with Antimicrobial Agents against Fluconazole-Resistant Strains and MRSA.

The rapid emergence and spread of antimicrobial resistance has become a global public health concern that threatens the effective treatment of infectious diseases. One major approach adopted to overcome antimicrobial resistance is the use of plant extracts individually and/or with combination of antibiotics with plant extracts, which may lead to new ways of treating infectious diseases and essentially representing a potential area for further future investigations. In this study, the antifungal activities of leaf and flower extracts against fluconazole-resistant strains (isolated from pregnant women with vulvovaginal candidiasis) and anti-methicillin-resistant (MRSA) were evaluated by agar well diffusion, microdilution, and biofilm inhibition assays.

Hypoglycaemic activity of Oleanonic acid, a 3-oxotriterpenoid isolated from Aidia Genipiflora (DC.) Dandy, involves inhibition of carbohydrate metabolic enzymes and promotion of glucose uptake.

The present study evaluated the antidiabetic activities of the 70% ethanol stem bark extract of Aidia genipiflora (AGB) and one of its constituents, oleanonic acid in streptozotocin (40 mg/kg)-induced diabetic rats. In vitro assays of glucose uptake and inhibition of carbohydrate metabolizing enzymes were then used to investigate their mechanism(s) of hypoglycaemic action. In silico evaluation of the pharmacokinetic and toxicity properties of the compound was also carried out.

A DFT study on the reaction mechanisms of the oxidation of ethylene mediated by technetium and manganese oxo complexes.

The oxidation of ethylene catalyzed by manganese and technetium oxo complexes of the type MOL (M = Tc, Mn, and L = O, Cl, F, OH, Br, I) on both singlet and triplet potential energy surfaces (PESs) have been studied. All molecular structures were stable on the singlet PES except for the formation of the dioxylate intermediate for the MnOL (L = O, Cl, F, OH, Br, I) catalyzed pathway. Frontier molecular orbital calculations showed that electrons flow from the HOMO of ethylene into the LUMO of the metal-oxo complex for all complexes studied except for MOL (M = Tc, Mn, and L = O) where the vice versa occurs.

Haematological Indices and Antioxidant Enzyme Activity in Ghanaian Stroke Patients.

Background: Stroke is a cardiovascular disorder causing mortality globally and long-lasting harm worldwide. The disease occurs when the blood flow to the brain is either interrupted or blocked. This disruption leads to the increase in reactive oxygen species (ROS), especially superoxide free radicals, resulting in oxidative stress.

Burden of Fluoroquinolone Resistance in Clinical Isolates of at the Ho Teaching Hospital, Ghana.

Background: The growing burden of antibiotic resistance is a threat to the management of infections. Infections by Escherichia coli are routinely treated with fluoroquinolone antimicrobial agents. Due to their frequent use, there has been increasing resistance to these drugs.

Is malaria immunity a possible protection against severe symptoms and outcomes of COVID-19?

Unlabelled: Malaria-endemic areas of the world are noted for high morbidity and mortality from malaria. Also noted in these areas is the majority of persons in the population having acquired malaria immunity. Though this acquired malaria immunity does not prevent infection, it resists the multiplication of parasites, restricting disease to merely uncomplicated cases or asymptomatic infections.

Immunochromatographic and microscopic detection of Plasmodium falciparum in recipients of P. falciparum-infected donor blood.

Blood transfusion practice is an essential medical intervention; however, it poses problems of transmissibility of infectious diseases including malaria. This study was designed to determine the potential of transfusion-transmitted malaria (TTM) by detecting malaria antigens and parasites in recipients of infected donor blood. After successful blood transfusion, remnants of transfused blood were screened for Plasmodium falciparum HRP2 antigen and parasitemia using CareStart malaria RDT and 10% Giemsa stain microscopy respectively according to established protocols.

Factors Influencing HIV Status Disclosure to Partners Among Antiretroviral Therapy Clients in the Upper East Region, Ghana.

In Ghana, HIV status disclosure to partners is voluntary. This study sought to determine the factors associated with HIV status disclosure to partners among antiretroviral therapy (ART) clients in the Upper East Region. A matched case-control study (1:1) was carried out in nine ART sites in the Upper East region in which 100 ART sexually active clients who had not disclosed their status to their partners were compared with 100 ART sexually ART clients who had disclosed their status to their partners.

Academic-Related Stress Among Ghanaian Nursing Students.

Aim: The life of a student may be affected by different stressors in both the internal and external environment. Although people from all walks of life experience stress on daily basis, students are more likely to experience stressful situations because of their academic requirements. To identify stressors among nursing students in Ghana.

Virucidal Activity of Different Mouthwashes Using a Novel Biochemical Assay.

Background: Saliva of patients with COVID-19 has a high SARS-CoV-2 viral load. The risk of spreading the virus is not insignificant, and procedures for reducing viral loads in the oral cavity have been proposed. Little research to date has been performed on the effect of mouthwashes on the SARS-CoV-2 virus, and some of their mechanisms of action remain unknown.

Evaluation of the Modulatory Effect of Extracts on the Activity of Some Selected Antibiotics against Biofilm-Forming MRSA.

The study investigated the influence of extracts on the action of selected antibiotics against biofilm-forming MRSA. The various parts of the plant were processed into powder and extracted with ethanol or hot water and then screened for the presence of phytochemicals. The modulatory effect of the extract was also tested on some antibiotics against Methicillin-resistant (MRSA).

Bioactive triterpenoids from Solanum torvum fruits with antifungal, resistance modulatory and anti-biofilm formation activities against fluconazole-resistant candida albicans strains.

Vulvovaginal candidiasis (VVC) is the second most common vaginal infection that affects women of reproductive age. Its increased occurrence and associated treatment cost coupled to the rise in resistance of the causative pathogen to current antifungal therapies has necessitated the need for the discovery and development of novel effective antifungal agents for the treatment of the disease. We report in this study the anti-Candida albicans activity of Solanum torvum 70% ethanol fruit extract (STF), fractions and some isolated compounds against four (4) fluconazole-resistant strains of C.

Active tuberculosis case findings in Ghanaian health facilities: effectiveness and sensitivity of the symptoms-based screening tool.

Introduction: the National Tuberculosis Programme (NTP), Ghana, introduced Symptoms-Based Screening (SBS) Tool for TB case finding. This study aimed to determine the challenges and limitations associated with the use of the SBS Tool for active tuberculosis case finding in Ghanaian health facility settings.

Methods: this study targeted suspected TB patients attending two health facilities in the Ho Municipality, Ghana.

Exposure and risk characterizations of ochratoxins A and aflatoxins through maize (Zea mays) consumed in different agro-ecological zones of Ghana.

Mycotoxin contamination of foodstuffs is a serious food safety concern globally as the prolonged ingestion of these toxins has the tendency to worsen the risk of hepatocellular carcinoma. This study aimed at estimating ochratoxin A (OTA) and aflatoxin (AF) levels above international (European Food Safety Authority, EFSA) and local (Ghana Standards Authority, GSA) standards as well as the health risks associated with the consumption of maize (n = 180) sampled from six (6) regions representing the agro-ecological zones of Ghana. OTA and AF were measured with High-Performance Liquid Chromatography with a Fluorescence detector.

Effect of Asymptomatic Parasitaemia on Platelets Thrombogenicity in Blood Donors.

Currently, blood donors in Ghana are not screened for malaria parasites. Therefore, this study assessed platelet thrombogenicity in blood donors infected asymptomatically with and the relationship between tumour necrosis factor alpha (TNF-α), 8-iso-prostaglandin F2α oxidative stress biomarker (8-iso-PG2α), C-reactive protein (hs-CRP) and D-dimer, and platelet thrombogenes levels. Haematology analyser was used to enumerate platelet count and platelet indices in 80 infected blood donors and 160 matched non-infected controls.