Hb Sun Prairie or alpha(2)130(H13)Ala----Pro beta 2, a new unstable variant occurring in low quantities.

abstract：:Two abnormal hemoglobins were accidentally detected by cation exchange high performance liquid chromatography with the Diamat system of Bio-Rad Laboratories; the variants eluted together with the fast-moving Hb A1c. Structural analysis of isolated beta chains and sequence analysis of amplified DNA identified a new var...

journal_title：Hemoglobin

authors： Liu JS,Molchanova TP,Gu LH,Wilson JB,Hopmeier P,Schnedl W,Balaun E,Krejs GJ,Huisman TH

更新日期：1992-01-01 00:00:00

abstract：:The most common differential diagnosis of β-thalassemia (β-thal) trait is iron deficiency anemia. Several red blood cell equations were introduced during different studies for differential diagnosis between β-thal trait and iron deficiency anemia. Due to genetic variations in different regions, these equations cannot ...

journal_title：Hemoglobin

authors： Sargolzaie N,Miri-Moghaddam E

更新日期：2014-01-01 00:00:00

abstract：:The limitations of current therapies for the treatment of iron overload or radioisotope contamination have stimulated efforts to develop new orally bioavailable iron and actinide chelators. Siderophore-inspired tetradentate, hexadentate and octadentate terephthalamidate and hydroxypyridonate ligands were evaluated in ...

journal_title：Hemoglobin

authors： Abergel RJ,Raymond KN

更新日期：2011-01-01 00:00:00

abstract：:Hb Groene Hart [alpha119(H2)Pro-->Ser, CCT-->TCT (alpha1)] has been reported in heterozygotes of Moroccan origin and also in association with the common -alpha(3.7) deletion. In all cases, the mutated protein was not detectable but was apparently associated with a mild alpha-thalassemia (thal) phenotype, presumably du...

journal_title：Hemoglobin

authors： Giordano PC,Zweegman S,Akkermans N,Arkesteijn SG,van Delft P,Versteegh FG,Wajcman H,Harteveld CL

更新日期：2007-01-01 00:00:00

abstract：:Common alpha-thalassemia (thal) rearrangements were studied in a normal random population and in six ethnic groups of Pakistan. Analyses of 204 individuals from the normal population revealed the presence of only the -alpha(3.7) allele with an overall frequency of 8.3%. Ethnic differences were statistically significan...

journal_title：Hemoglobin

authors： Khan SN,Hasan F,Sollaino C,Perseu L,Riazuddin S

更新日期：2003-08-01 00:00:00

abstract：:Recently, five genetic modifiers [β-globin mutations, coinheritance of α-thalassemia (α-thal), XmnI polymorphism and single nucleotide polymorphisms (SNPs) in the BCL11A and HBS1L-MYB loci] were used to predict the β-thal major (β-TM) or β-thal intermedia (β-TI) types in 106 French patients with 83.2% accuracy. The di...

journal_title：Hemoglobin

authors： Banan M,Bayat H,Namdar-Aligoodarzi P,Azarkeivan A,Kamali K,Daneshmand P,Zaker-Kandjani B,Najmabadi H

更新日期：2013-01-01 00:00:00

abstract：:In this study, we describe the clinical features and provide experimental analyses of a novel point mutation affecting the penultimate nucleotide of the first exon of the HBA2 (HBA2: c.94A > G) gene identified in a 26-year-old female who also carries a heterozygous Hb E (HBB: c.79G > A) variant. The aim of the study w...

journal_title：Hemoglobin

authors： Qadah T,Finlayson J,Joly P,Ghassemifar R

更新日期：2014-01-01 00:00:00

abstract：:Over many years, cases of suspected α-globin chain variants were collected from different parts of the UK. The suspicion was based on the clinical picture, high performance liquid chromatography (HPLC) variant percentage, retention time (RT) and isoelectric focusing (IEF). DNA sequencing and the restriction enzyme Eae...

journal_title：Hemoglobin

authors： Khalil MSM,Timbs AT,Henderson SJ,Schuh A,El-Khawanky MM,Old JM

更新日期：2020-05-01 00:00:00

abstract：:Hemoglobinopathies are inherited diseases that impair the structure and function of the oxygen-carrying pigment hemoglobin (Hb). Adult Hb consists of two α and two β subunits. α-Thalassemia (α-thal) affects the genes that code for the α-globin chains, HBA1 and HBA2. Mutations can result in asymptomatic, mild or severe...

journal_title：Hemoglobin

authors： Horri-Naceur A,Timson DJ

更新日期：2020-03-01 00:00:00

abstract：:The amino acid sequences of the hemoglobin alpha- and beta-chains of raccoon have been determined by a combination of manual and automatic sequencing procedures. The raccoon beta-chain shows 16 amino acid differences from that of dog. The alpha chain shows 10 differences. These values are identical with those predicte...

journal_title：Hemoglobin

authors： Brimhall B,Stangland K,Jones RT,Becker RR,Bailey TJ

更新日期：1978-01-01 00:00:00

abstract：:Hemoglobinopathies exhibit a remarkable phenotypic diversity in terms of disease severity, while individual genetic background plays a key role in differential response to drug treatment. In the last decade, genomic variants in genes located within, as well as outside the human β-globin cluster have been shown to be s...

journal_title：Hemoglobin

authors： Kolliopoulou A,Siamoglou S,John A,Sgourou A,Kourakli A,Symeonidis A,Vlachaki E,Chalkia P,Theodoridou S,Ali BR,Katsila T,Patrinos GP,Papachatzopoulou A

更新日期：2019-01-01 00:00:00

abstract：:Population surveys performed in different Brazilian ethnic groups, and comprising 23,606 subjects, disclosed, besides the common S and D types, hemoglobins G and Por to Alegre, as well as high F, A'2 and an apparently unstable A2 variant. Additional studies on isolated families revealed the occurrence of hemoglobins I...

journal_title：Hemoglobin

authors： Salzano FM,Tondo CV

更新日期：1982-01-01 00:00:00

abstract：:Sickle cell disease presents a great clinical variability that remains largely misunderstood. New disease protective genetic modifiers acting mainly through an increased Hb F level have recently been described. We studied relations between clinical and hematological phenotypes and known sickle cell disease genetic mod...

journal_title：Hemoglobin

authors： Muszlak M,Pissard S,Badens C,Chamouine A,Maillard O,Thuret I

更新日期：2015-01-01 00:00:00

abstract：:Hemoglobin Brisbane is a new hemoglobin variant which produces a mile erythrocytosis. It is not detectable by electrophoresis at pH 8.6 or by isoelectric focusing but it is mildly unstable and gives a positive result with standard stability tests. The new hemoglobin has increased oxygen affinity and reduced co-operati...

journal_title：Hemoglobin

authors： Brennan SO,Wells RM,Smith H,Carrell RW

更新日期：1981-01-01 00:00:00

abstract：:Our understanding of the molecular and pathophysiological mechanisms underlying the disease process in patients with thalassemia intermedia (TI) has substantially increased over the past decade. TI encompasses a wide clinical spectrum of beta-thalassemia phenotypes. Some TI patients are asymptomatic until adult life, ...

journal_title：Hemoglobin

authors： Cappellini MD,Musallam KM,Taher AT

更新日期：2009-01-01 00:00:00

abstract：:The benefits of combined deferoxamine (DFO) and deferiprone (L1) chelation therapy, focusing on reducing myocardial iron loading, have been widely reported. Herein, we present the efficacy of combined chelation and its effects on iron load indices. Five thalassemia major (TM) patients who were undergoing chelation mon...

journal_title：Hemoglobin

authors： Tsironi M,Assimakopoulos G,Polonofi K,Rigaki K,Aessopos A

更新日期：2008-01-01 00:00:00

abstract：:A 7-year old boy presented with a history of recurrent respiratory infections and hypochromic microcytic anemia. Iron profiles were normal thereby prompting genetic analysis of α- and β-globin mutations. The first mutation in a BRE motif of the β-globin gene in the proband, sibling and the mother was identified. The p...

journal_title：Hemoglobin

authors： Inati A,Abbas HA,Al-Danaf J,Souaid M,Kahale M,Koussa S,Abou Nasr T,Davis L,Luo HY,Chui DH

更新日期：2013-01-01 00:00:00

abstract：:Alpha-Thalassemia (thal) is generally considered to be an expression defect caused mostly by deletions silencing one or more alpha-globin genes. Although nondeletional alpha-thalassemia is considered rare, in our laboratory we frequently observe alpha-thal phenotypes induced by point mutations. We report a new point m...

journal_title：Hemoglobin

authors： Harteveld CL,van Delft P,Plug R,Versteegh FG,Hagen B,van Rooijen I,Kok PJ,Wajcman H,Kister J,Giordano PC

更新日期：2002-08-01 00:00:00

abstract：:Patients with the β0/β0 type of β-thalassemia (β-thal) usually present as β-thal major (β-TM), and are transfusion-dependent. However, the clinical and hematological features of β-thal can be modulated by different modifiers, resulting in a wide range of clinical severity even in patients with the same genotypes. We r...

journal_title：Hemoglobin

authors： Xie XM,Liu YN,Li J,Jiang F,Li DZ

更新日期：2019-03-01 00:00:00

abstract：:A chromatographic procedure for the separation of human globin chains is described. This method uses CM-Sepharose CL-6B as ion-exchanger and NaCl gradients formed in sodium phosphate buffers containing urea and 0.05M mercaptoethanol to elute the chains. One advantage of this system is that a column, once packed, may b...

journal_title：Hemoglobin

authors： Sparham SJ,Huehns ER

更新日期：1979-01-01 00:00:00

abstract：:Acquired α-thalassemia (α-thal) myelodysplastic syndrome (ATMDS) is a rare acquired syndrome characterized by a somatic point mutation in the ATRX gene in patients with chronic myeloid disorders. We describe the case of a 78-year-old man with myelodysplastic syndrome (MDS) and striking microcytic, hypochromic anemia. ...

journal_title：Hemoglobin

authors： Herbaux C,Badens C,Guidez S,Lacoste C,Maboudou P,Rose C

更新日期：2012-01-01 00:00:00

abstract：:Chronic red blood cell (RBC) transfusion is employed for a wide range of sickle cell disease complications, ranging from primary and secondary stroke prophylaxis to prevention of painful vaso-occlusive episodes. Currently different methods are employed by centers for chronic transfusion that include simple, automated ...

journal_title：Hemoglobin

authors： Mian HS,Ward R,Telfer P,Kaya B,Kuo KH

更新日期：2015-01-01 00:00:00

abstract：:Hb Iowa is a rare hemoglobin (Hb) variant with a Gly --> Ala substitution at position 119 of beta-globin. It was previously reported only in an African American infant who was also heterozygous for Hb S [beta6(A3)Glu --> Val] and her mother (Hb A/Iowa). Here we describe the second report of Hb Iowa, the first in conju...

journal_title：Hemoglobin

authors： Somjee S,Yu LC,Hagar AF,Hempe JM

更新日期：2004-02-01 00:00:00

abstract：:Forty-three patients with beta-thalassemia from Northern Sardinia (31 severe and polytransfused, six follow-up babies, five adults with mild thalassemia who were not transfusion dependent, and a young transfused patient was also affected by a disease of intermediate severity) were studied in order to establish the fet...

journal_title：Hemoglobin

authors： Masala B,Manca L,Gallisai D,Stangoni A,Lanclos KD,Kutlar F,Yang KG,Huisman TH

更新日期：1988-01-01 00:00:00

abstract：:Thalassemia is the most common genetic disorder in Iran. Some α-globin genotypes leading to Hb H disease may cause severe anemia and dependence on regular blood transfusions. In this study, 40 patients were analyzed for the molecular basis and the genotype-phenotype correlation of Hb H disease in Iran. α-Globin molecu...

journal_title：Hemoglobin

authors： Ebrahimkhani S,Azarkeivan A,Bayat N,Houry-Parvin M,Jalil-Nejad S,Zand S,Golkar Z,Hadavi V,Imanian H,Oberkanins C,Najmabadi H

更新日期：2011-01-01 00:00:00

abstract：:Hb Hammersmith [β42(CD1)Phe → Ser; HBB: c.128T > C] is a rare, unstable hemoglobin (Hb) variant. In this case report, we describe another male case of Hb Hammersmith. A 39-year-old male had hemolytic anemia, cyanosis and splenomegaly since 6 months after birth. He passed the disease allele to his daughter, a 3-year-ol...

journal_title：Hemoglobin

authors： Li R,Wang T,Xie XM,Li DZ

更新日期：2014-01-01 00:00:00

abstract：:The 5' untranslated region (5'UTR) of beta-globin has been well characterized and is often used as a model for eukaryotic transcription/translation, but there are still questions regarding the mechanism of translational control. Mutations affecting the Cap site at + 1 and at positions +10, +22, +33 and +40-43 have bee...

journal_title：Hemoglobin

authors： Van de Water N,Tan T,Chan G,Cole N,Browett P

更新日期：2008-01-01 00:00:00

abstract：:In this study we present the first report of the detection of a new β-thalassemia (β-thal) mutation at codon 36 (-C) in the Chinese population. This frameshift mutation generates a TGA stop codon at position 60, resulting in a thalassemia phenotype. This is the first example of a premature stop codon at position 60 be...

journal_title：Hemoglobin

authors： Huang H,Xu L,Lin N,Xu J,He D,Li Y,Zheng L,Liu H,Lin Y

更新日期：2010-01-01 00:00:00

abstract：:A system of calculating relative mobilities of mutant hemoglobins and globin chains in four methods of zone electrophoresis is described. In electrophoresis on cellulose acetate, TEB buffer, pH 8.5, mobilities are calculated as ratios of the mobility of simultaneously analyzed Hb C. In electrophoresis on citrate agar,...

journal_title：Hemoglobin

authors： Schneider RG,Barwick RC

更新日期：1978-01-01 00:00:00

abstract：:Deltabeta-thalassemia (thal) is a disorder, characterized by increased levels of fetal hemoglobin (Hb F) in adult life. A considerable number of deletions of variable size and position in the beta-globin gene cluster are associated with the clinical manifestation of deltabeta-thal. In this study we have determined the...

journal_title：Hemoglobin

authors： Esteghamat F,Imanian H,Azarkeivan A,Pourfarzad F,Almadani N,Najmabadi H

更新日期：2007-01-01 00:00:00