Publications by authors named "M Shanmugham"

Diabetes mellitus is a metabolic disease with an escalating global prevalence. Despite the abundance and relative efficacies of current therapeutic approaches, they primarily focus on attaining the intended glycaemic targets, but patients ultimately still suffer from various diabetes-associated complications such as retinopathy, nephropathy, cardiomyopathy, and atherosclerosis. There is a need to explore innovative and effective diabetic treatment strategies that not only address the condition itself but also combat its complications.

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The mangosteen ( L.) pericarp is known to be rich in potent bioactive phytochemical compounds such as xanthones, which possess pharmacologically important antioxidant activity and beneficial cardiometabolic properties. Mangosteen pericarp is typically classified as unavoidable food waste and discarded, despite being rich in bioactive phytochemical compounds that therefore present an exciting opportunity for valorization.

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Endothelial dysfunction is a critical initiating factor contributing to cardiovascular diseases, involving the gut microbiome-derived metabolite trimethylamine N-oxide (TMAO). This study aims to clarify the time-dependent molecular pathways by which TMAO mediates endothelial dysfunction through transcriptomics and metabolomics analyses in human microvascular endothelial cells (HMEC-1). Cell viability and reactive oxygen species (ROS) generation were also evaluated.

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Article Synopsis
  • Trimethylamine N-oxide (TMAO) is a gut microbiome-derived metabolite linked to various diseases like atherosclerosis, hypertension, diabetes, and hyperlipidemia due to its role in causing endothelial dysfunction.
  • The mechanisms by which TMAO induces this dysfunction include inflammation, oxidative stress, activation of foam cells, upregulation of cytokines, increased reactive oxygen species, platelet hyperreactivity, and reduced vascular tone.
  • The review explores TMAO's impact on endothelial dysfunction in cardio-metabolic diseases and discusses potential therapeutic strategies to address these issues.
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Background: Delayed or no response to impending patient safety-related calls, poor care provider experience, low job satisfaction, and adverse events are all unwanted outcomes of alarm fatigue. Nurses often cite increases in alarm-related workload as a reason for alarm fatigue, which is a major contributor to the aforementioned unwanted outcomes. Increased workload affects both the care provider and the patient.

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