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Objective: To investigate the role that foot-strike hemolysis plays in sports-related anemia in marathon and ultramarathon runners.
Data Sources: PubMed, Embase, Cochrane, Grey literature.
Study Selection: Inclusion criteria consisted of human studies with runners completing a sanctioned race of marathon distance or greater, with outcomes measured by pre- and post-race hematological assessments.
The Nonclinical Safety Assessment of a Novel Anti-CEACAM5 Antibody Exatecan Conjugate Predicts a Low Risk for Interstitial Lung Disease (ILD) in Patients-The Putative Mechanism Behind ILD.
Int J Toxicol
January 2025
Chemical and Preclinical Safety Department, Global Chemical and Preclinical Safety, Merck KGaA, Darmstadt, Germany.
The therapeutic window of antibody drug-conjugates (ADC) remains challenging due to safety issues such as interstitial lung disease (ILD) observed with specific deruxtecan-based ADCs. To avoid ILD, we designed M9140 by conjugating the maleimide-containing hydrophilic β-glucuronide linker to exatecan and our anti-CEACAM5 (CarcinoEmbryonic Antigen-related Cell Adhesion Molecule 5) specific antibody. Following repeated iv-infusion at 3 to 30 mg/kg of M9140 every 3 weeks, the pathological findings obtained in cynomolgus monkeys were confined to gastrointestinal and hematolymphoid tissues and resembled the toxicity of exatecan.
View Article and Find Full Text PDFCold agglutinin disease (CAD) is a rare autoimmune hemolytic anemia caused by cold-reactive IgM antibodies leading to complement-mediated hemolysis. While CAD-associated venous thromboembolism is recognized, its role in arterial thromboembolic events, particularly ischemic stroke, is poorly defined. We report an 84-year-old woman who developed acute onset upper left extremity weakness following exposure to sub-zero temperatures.
View Article and Find Full Text PDFImmune Cell Profiles of Patients with Sickle Cell Disease during Parvovirus B19-Induced Transient Red Cell Aplasia.
Vaccines (Basel)
August 2024
Department of Infectious Diseases, St. Jude Children's Research Hospital, Memphis, TN 38105, USA.
Parvovirus B19 frequently infects children and targets cells of the erythroid lineage. Although healthy children rarely suffer severe disease, children with sickle cell disease (SCD) can experience transient red cell aplasia (TRCA), hospitalization, and life-threatening anemia upon first virus exposure. Given that children with SCD can also suffer chronic inflammation and that parvovirus B19 has been associated with autoimmune disease in other patient populations, we asked if parvovirus B19 infections contributed to acute and chronic immune abnormalities in children with SCD.
View Article and Find Full Text PDFApnoea as a novel method to improve exercise performance: A current state of the literature.
Exp Physiol
July 2024
Department of Movement and Sports Sciences, Ghent University, Ghent, Belgium.
Acute breath-holding (apnoea) induces a spleen contraction leading to a transient increase in haemoglobin concentration. Additionally, the apnoea-induced hypoxia has been shown to lead to an increase in erythropoietin concentration up to 5 h after acute breath-holding, suggesting long-term haemoglobin enhancement. Given its potential to improve haemoglobin content, an important determinant for oxygen transport, apnoea has been suggested as a novel training method to improve aerobic performance.
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