Publications by authors named "Dyah S Mayasari"

Endothelial-derived microparticles (EDMP) are markers of vascular function and convey roles in coagulation, inflammation, vasoactivity, angiogenesis, and cellular apoptosis, which implicate acute myocardial infarction (AMI). This study aimed to investigate whether, among AMI, on-admission EDMP counts affect hospital major adverse cardiovascular events (MACE) and whether the change of EDMP in 30-day posthospital discharge affects long-term follow-up MACE. The research design was a prospective cohort study.

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Objectives: This research investigates whether there is an association between acute hyperglycemia and diabetes mellitus and the level of circulating platelet-derived microparticles (PDMPs) during an initial episode of acute myocardial infarction (AMI).

Methodology: This was a cross-sectional study involving hospitalized AMI patients. Demographic and clinical data were obtained from hospital records.

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Background: Previous studies proposed that chronic inflammation in diabetes has a role in abnormal collagen production and elastin degradation, which promotes arterial stiffness. Monocyte-to-High Density Lipoprotein cholesterol ratio (MHR) is a simple measurement associated with inflammation and oxidative stress. However, little is known about the relationship of MHR with arterial stiffness.

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Objective: Chondroitin sulfate proteoglycans are the primary constituents of the macrophage glycosaminoglycan and extracellular microenvironment. To examine their potential role in atherogenesis, we investigated the biological importance of one of the chondroitin sulfate glycosaminoglycan biosynthesis gene, ChGn-2 (chondroitin sulfate -acetylgalactosaminyltransferase-2), in macrophage foam cell formation. Approach and Results: ChGn-2-deficient mice showed decreased and shortened glycosaminoglycans.

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During COVID-19 pandemic, wearing a mask has become a usual custom as a personal protection in every activity. The growth in consumption of face masks leads the increasing of mask waste and became a particular problem in environment. This study uses analytic hierarchy process (AHP) to determine appropriate material for making environmentally friendly non-medical mask.

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Introduction: Platelet-derived microparticles (PDMPs) measurement adds prognostic implication for ST-elevation acute myocardial infarction (STEMI). The long-term implication of PDMPs in STEMI needs to be corroborated.

Methods: The research design was a cohort study.

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Glycosaminoglycans (GAGs) play an integral role in low-density lipoprotein (LDL) retention in the vascular intimal layer and have emerged as attractive therapeutic targets for atherosclerosis. GAG biosynthesis involves the cooperation of numerous enzymes. Chondroitin sulfate N-acetylgalactosaminyltransferase-2 (ChGn-2) is a vital Golgi transferase that participates in enzymatic elongation of GAGs.

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Article Synopsis
  • Modifications of proteoglycans and the retention and oxidation of low-density lipoproteins (LDL) play a crucial role in the development of atherosclerosis, making the detection of LDL in arterial walls vital for understanding this disease.
  • The study utilized fluorescent-labeled LDL (rhodamine-labeled LDL) to track LDL movement in mice, demonstrating its effectiveness in visualizing LDL accumulation in the artery during conditions that mimic atherosclerosis.
  • Results showed that after intravenous injection, rhodamine-labeled LDL was present throughout the body and prominently in the liver, with significant trapping observed in the carotid artery between 6 to 18 hours post-injection, indicating its potential for studying atherosclerosis progression.
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Subendothelial retention of lipoproteins by proteoglycans (PGs) is the initiating event in atherosclerosis. The elongation of chondroitin sulfate (CS) chains is associated with increased low-density lipoprotein (LDL) binding and progression of atherosclerosis. Recently, it has been shown that 2 Golgi enzymes, chondroitin 4-O-sulfotransferase-1 (C4ST-1) and chondroitin N-acetylgalactosaminyltransferase-2 (ChGn-2), play a critical role in CS chain elongation.

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