We report the case of a 5-year-old girl with a rare P-null phenotype who presented for a neurosurgical procedure at our center. The case is unique as this patient was one of the two P-null phenotype cases reported in India and we report how we could successfully arrange a rare blood unit for her. As it was challenging to find a donor for her, autologous blood was collected. Despite iron supplementation and erythropoietin injections, her hemoglobin remained low and the required number of autologous units could not be collected. As a consequence of the search initiated with the international and regional rare donor registries, a donor was identified in a remote village in India. Despite the logistic hurdles due to the COVID pandemic, the blood could be transported safely for performing the surgery. A centralized database of rare donors needs to be established to meet such requirements.
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http://dx.doi.org/10.4103/ajts.ajts_60_22 | DOI Listing |
Asian J Transfus Sci
September 2022
Department of Paediatric Neurosurgery and Craniofacial Surgery, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham University, Kochi, Kerala, India.
We report the case of a 5-year-old girl with a rare P-null phenotype who presented for a neurosurgical procedure at our center. The case is unique as this patient was one of the two P-null phenotype cases reported in India and we report how we could successfully arrange a rare blood unit for her. As it was challenging to find a donor for her, autologous blood was collected.
View Article and Find Full Text PDFTransfus Med Hemother
August 2021
Lok Samarpan Regional Blood Center, Surat, India.
Introduction: The identification of alloantibodies to high-frequency antigens (HFA) and subsequent transfusion management can be challenging and often poses a problem in finding the compatible blood for transfusion. The aim of this study was to investigate the specificity of the antibody to the HFA causing a hemolytic transfusion reaction (HTR) and procure the compatible blood unit for future transfusion.
Case Presentation: A 4-year-old female met with a head injury that led to intracranial bleeding and surgical intervention was required to remove blood clots.
Transfus Med Hemother
April 2020
Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, India.
Background: The present report illustrates a case with rare "P null" phenotype due to a large deletion in chromosome 22q13.2 and with clinically significant anti-PP1P antibody. Patient blood management in such cases is challenging.
View Article and Find Full Text PDFDev Biol
April 2018
Laboratory of Cell Biology, Department of Bioinformatics, Graduate School of Engineering, Soka University, 1-236 Tangi-machi, Hachioji, Tokyo 192-8577, Japan. Electronic address:
T antigen (Galβ1-3GalNAcα1-Ser/Thr) is an evolutionary-conserved mucin-type core 1 glycan structure in animals synthesized by core 1 β1,3-galactosyltransferase 1 (C1GalT1). Previous studies showed that T antigen produced by Drosophila C1GalT1 (dC1GalT1) was expressed in various tissues and dC1GalT1 loss in larvae led to various defects, including decreased number of circulating hemocytes, hyper-differentiation of hematopoietic stem cells in lymph glands, malformation of the central nervous system, mislocalization of neuromuscular junction (NMJ) boutons, and ultrastructural abnormalities in NMJs and muscle cells. Although glucuronylated T antigen (GlcAβ1-3Galβ1-3GalNAcα1-Ser/Thr) has been identified in Drosophila, the physiological function of this structure has not yet been clarified.
View Article and Find Full Text PDFInt J Mol Med
April 2013
Shaoxing Centre for Disease Control and Prevention, Shaoxing, Zhejiang, PR China.
Chronic hepatitis B virus (CHB) infection is a major cause of cirrhosis and hepatocellular carcinoma. Nucleoside analogs (NAs) are popularly used to treat chronic hepatitis B virus (HBV) infections; however, the anti-HBV effect is attenuated by drug-resistant viral mutations selected during long-term antiviral therapy. The timely analysis of drug-resistance mutations is essential in order to adjust treatment regimes.
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