Red blood cell PK deficiency: An update of PK-LR gene mutation database

Giulia Canu, Maria De Bonis, Angelo Minucci, Ettore Domenico Capoluongo

Risultato della ricerca: Contributo in rivistaArticolo in rivista

34 Citazioni (Scopus)

Abstract

Pyruvate kinase (PK) deficiency is known as being the most common cause of chronic nonspherocytic hemolytic anemia (CNSHA). Clinical PK deficiency is transmitted as an autosomal recessive trait, that can segregate neither in homozygous or in a compound heterozygous modality, respectively. Two PK genes are present in mammals: the pyruvate kinase liver and red blood cells (PK-LR) and the pyruvate kinase muscle (PK-M), of which only the first encodes for the isoenzymes normally expressed in the red blood cells (R-type) and in the liver (L-type). Several reports have been published describing a large variety of genetic defects in PK-LR gene associated to CNSHA. Herein, we present a review of about 250 published mutations and six polymorphisms in PK-LR gene with the corresponding clinical and molecular data. We consulted the PubMed website for searching mutations and papers, along with two main databases: the Leiden Open Variation Database (LOVD, https://grenada.lumc.nl/LOVD2/mendelian_genes/home.php?select_db=PKLR) and Human Gene Mutation Database (HGMD, http://www.hgmd.cf.ac.uic/ac/gene.php?gene=PKLR) for selecting, reviewing and listing the annotated PK-LR gene mutations present in literature. This paper is aimed to provide useful information to clinicians and laboratory professionals regarding overall reported PK-LR gene mutations, also giving the opportunity to harmonize data regarding PIC-deficient individuals.
Lingua originaleEnglish
pagine (da-a)100-109
Numero di pagine10
RivistaBLOOD CELLS, MOLECULES, & DISEASES
Volume57
DOI
Stato di pubblicazionePubblicato - 2016

Keywords

  • Pyruvate kinase
  • hemolysis

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