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Determination of Trends Underlying Aspartic Acid Isomerization in Intact Proteins Reveals Unusually Rapid Isomerization of Tau.
ACS Chem Neurosci
January 2025
Department of Chemistry, University of California, Riverside, California 92521, United States.
Spontaneous chemical modifications in long-lived proteins can potentially change protein structure in ways that impact proteostasis and cellular health. For example, isomerization of aspartic acid interferes with protein turnover and is anticorrelated with cognitive acuity in Alzheimer's disease. However, few isomerization rates have been determined for Asp residues in intact proteins.
View Article and Find Full Text PDFDrug-induced renal tubular acidosis in a patient receiving trimethoprim-sulfamethoxazole.
BMJ Case Rep
January 2025
General Surgery, Changi General Hospital, Singapore.
An Asian woman in her 70s was started on trimethoprim-sulfamethoxazole (TMP-SMX) for treatment of her left fourth toe osteomyelitis. During the course of her therapy, she developed renal tubular acidosis despite being immunocompetent with no known renal disease. Cessation of TMP-SMX and supportive care resulted in resolution of her condition.
View Article and Find Full Text PDFAssociation between albumin corrected anion gap and in-hospital mortality in critically ill patients with chronic obstructive pulmonary disease.
Ther Adv Respir Dis
January 2025
Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, No. 1 Youyi Road, Yuzhong, Chongqing 400016, China.
Background: The relationship between albumin-corrected anion gap (ACAG) and in-hospital mortality in critically ill patients with COPD remains unclear.
Objective: This study investigated the association between ACAG levels and the risk of in-hospital mortality in critically ill patients with COPD.
Design: A retrospective cohort study.
Background: Anorexia nervosa has the highest mortality rate of any psychiatric disorder, and purging behaviors can cause a fatal electrolyte and acid-base imbalance. Routine laboratory testing during inpatient care is essential because these patients often provide inaccurate information about their diet and purging behaviors. However, blood gas analysis for an acid-base evaluation is rarely performed in the psychiatric setting because psychiatrists are not accustomed to evaluating the results.
View Article and Find Full Text PDFSevere Ethylene Glycol Toxicity: Multidisciplinary Management and Long-Term Renal Implications.
Cureus
December 2024
Internal Medicine, Griffin Hospital, Derby, USA.
Ethylene glycol (C₂H₆O₂), a toxic alcohol commonly found in automotive antifreeze, de-icing solutions, and industrial coolants, can cause severe toxicity when ingested. Due to its sweet taste, it is often consumed accidentally or intentionally, leading to life-threatening consequences such as metabolic acidosis, acute kidney injury (AKI), and mortality. Prompt diagnosis and early treatment with antidotes such as fomepizole or ethanol, combined with hemodialysis, are essential in preventing severe outcomes.
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