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How I use noninvasive prenatal testing for red blood cell and platelet antigens.
Blood
December 2024
Sanquin, Amsterdam, Netherlands.
Alloimmunization during pregnancy occurs when a mother produces antibodies against fetal antigens, leading to complications like hemolytic disease of the fetus and newborn (HDFN) and fetal and neonatal alloimmune thrombocytopenia (FNAIT). HDFN involves destruction of fetal red blood cells, potentially causing severe anemia, hydrops fetalis, and fetal death. FNAIT affects fetal platelets and possibly endothelial cells, resulting in risk of intracranial hemorrhage and brain damage.
View Article and Find Full Text PDFThe modern use of hydroxyurea for children with sickle cell anemia.
Haematologica
January 2025
Division of Hematology, Cincinnati Children's Hospital Medical Center, Cincinnati OH; University of Cincinnati College of Medicine, Cincinnati OH; Global Health Center, Cincinnati Children's Hospital Medical Center, Cincinnati OH.
Over the past 40 years, the introduction and refinement of hydroxyurea therapy has led to remarkable progress for the care of individuals with sickle cell anemia (SCA). From initial small proof-of-principle studies to multi-center Phase 3 controlled clinical trials and then numerous open-label studies, the consistent benefits of once-daily oral hydroxyurea have been demonstrated across the lifespan. Elevated fetal hemoglobin (HbF) serves as the most important treatment response, as HbF delays sickle hemoglobin polymerization and reduces erythrocyte sickling.
View Article and Find Full Text PDF[The impact and clinical implication of variants in the start codon of HBA gene on the phenotype of thalassemia].
Zhonghua Yi Xue Yi Chuan Xue Za Zhi
January 2025
Precision Medical Lab Center, People's Hospital of Yangjiang, Yangjiang, Guangdong 529500, China.
Objective: To analyze the correlation between variants in the start codon of the α-globin gene and phenotypes of thalassemia, so as to provide a basis for the diagnosis and prevention of α-thalassemia.
Methods: A retrospective study was conducted on 7 patients diagnosed by Yangjiang People's Hospital and Guangzhou Hybribio Co. Ltd.
Effectiveness of implementation of sickle cell disease referral guidelines and other measures in paediatric department at a tertiary hospital in Saudi Arabia.
BMJ Open Qual
January 2025
Pediatric Hematology Oncology, Al Hada Armed Forces Hospital, Taif, Makkah, Saudi Arabia.
Background: Sickle cell disease (SCD) is an autosomal recessive genetic blood disorder. It affects up to 2.6% of the Kingdom of Saudi Arabia population.
View Article and Find Full Text PDFOxidative stress induces plasma membrane phosphatidylserine externalization in canine erythrocytes in vitro, mitigated by thiol antioxidants.
Am J Vet Res
January 2025
Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Purdue University, West Lafayette, IN.
Objective: To determine if oxidative stress induces phosphatidylserine (PS) externalization in canine erythrocytes and if exposure to antioxidants prevents such changes.
Methods: This was an in vitro, experimental study using 5 healthy, adult, purpose-bred research Beagles. Fresh EDTA-anticoagulated blood samples were collected from each dog, and erythrocytes were harvested.
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