Frequency of background and radiation-induced apoptosis in leukocytes of individuals with alpha-thalassemia variants, assessed by the neutral comet assay.

abstract：:A review is presented of the various beta-thalassemia alleles observed in nearly 191 patients with beta-thalassemia major and their 182 heterozygous relatives. Determination was by gene amplification and dot-blot hybridization with synthetic probes, specific for 27 different mutations. Eighteen mutations have been obs...

journal_title：Hemoglobin

authors： Oner R,Altay C,Gurgey A,Aksoy M,Kilinç Y,Stoming TA,Reese AL,Kutlar A,Kutlar F,Huisman TH

更新日期：1990-01-01 00:00:00

abstract：:Individual genetic constitution is an important cause of variations in the response and tolerance to drug treatment. Single nucleotide polymorphisms (SNPs) in genes located within as well as outside the human beta-globin cluster have recently been shown to be significantly associated with Hb F increase in relation to ...

journal_title：Hemoglobin

authors： Patrinos GP,Grosveld FG

更新日期：2008-01-01 00:00:00

abstract：:The unusual combination of haemoglobins S and E was found in two Saudi Arab siblings. The father was homozygous for HbE and the mother was heterozygous for HbA and HbS. Clinical and laboratory findings are presented and compared with those of the six cases of HbSE heterozygosity previously reported. The significance o...

journal_title：Hemoglobin

authors： Hardy MJ,Ragbeer MS

更新日期：1985-01-01 00:00:00

abstract：:To assess the effects of combined vitamin therapy on oxidant-antioxidant hepatic status and hemoglobin (Hb) derivatives on β-thalassemia major (β-TM), a prospective study of 60 β-TM patients aged 4 to 17 years, was conducted. Thirty-nine patients with initial low serum vitamins E, C and A, were treated with oral combi...

journal_title：Hemoglobin

authors： Elalfy MS,Adly AA,Attia AA,Ibrahim FA,Mohammed AS,Sayed AM

更新日期：2013-01-01 00:00:00

abstract：:We describe a Chinese patient who was heterozygous for both Hb Q-Thailand [alpha74(EF3)Asp-->His] and Hb E [beta26(B7)Gly-->Asp, GAG-->GTG]. Interaction of the alpha(Q-Thailand) and beta(E) chains leads to a hemoglobin (Hb) variant, namely Hb QE, which differs in electrophoretic mobility and high performance liquid ch...

journal_title：Hemoglobin

authors： Li D,Liao C,Li J,Xie X,Zhong H

更新日期：2008-01-01 00:00:00

abstract：:The hemoglobin (Hb) pattern of a 32-year-old Somali male living in The Netherlands, during routine diabetes mellitus monitoring, showed two more peaks in addition to the characteristic heterozygous Hb A/S pattern. A major peak of 15% faster than Hb A, and a minor one of 10.8%, overlapping Hb A2 and the glycated Hb S1c...

journal_title：Hemoglobin

authors： Harteveld CL,Van Delft P,Akkermans N,Arkesteijn S,Van Rooijen-Nijdam IH,Kok PJ,Versteegh FG,Giordano PC

更新日期：2004-08-01 00:00:00

abstract：:A new beta-chain variant, Hemoglobin Windsor [beta 11 (A8)Val----Asp] was discovered in a 9-month-old child who presented with a hemolytic anemia of 59 g/l with an intercurrent viral infection. Her blood film demonstrated fragmented cells, target cells, stipple cells, nucleated red cells, polychromasia and some sphero...

journal_title：Hemoglobin

authors： Gilbert AT,Fleming PJ,Sumner DR,Hughes WG,Holland RA,Tibben EA

更新日期：1989-01-01 00:00:00

abstract：:Hb Westmead or alpha 2 122(H5)His----Gln beta 2 is one of the most common hemoglobin variants in Guangxi, a province in Southern China. The alpha 2-globin DNA sequence of a carrier for this variant was selectively amplified by the polymerase chain reaction and analyzed with the restriction enzyme Stu I. We found that ...

journal_title：Hemoglobin

authors： Jiang NH,Liang S,Wen XJ,Liang R,Su C,Tang Z

更新日期：1991-01-01 00:00:00

abstract：:We report the spectrum of β-thalassemia (β-thal) mutations observed in a cohort of at-risk couples, who presented for prenatal diagnosis at the Thalassemia, Hemophilia and Prenatal Diagnosis Genetic Research Center, Shiraz Medical University, Fars, Iran, from March 2001 to April 2002. Using polymerase chain reaction-a...

journal_title：Hemoglobin

authors： Rahiminejad MS,Zeinali S,Afrasiabi A,Valeshabad AK

更新日期：2011-01-01 00:00:00

abstract：:The aim of this study was to demonstrate the performance of nondeletional α-thalassemia (α-thal) prevention using a reverse dot-blot method at a Mainland Chinese hospital. A prenatal control program for nondeletional Hb H disease was performed between January 2009 and December 2013. All couples were screened for α-tha...

journal_title：Hemoglobin

authors： Li J,Li R,Li DZ

更新日期：2015-01-01 00:00:00

abstract：:This report describes the first case in Spain of a severe form of beta-thalassemia (thal) due to a compound heterozygosity for the IVS-II-848 (C --> A) and the nonsense codon 39 (C --> T) mutations. Five members of a family from Cadiz (southern Spain) were studied. The proband was an 8-year-old girl diagnosed as anemi...

journal_title：Hemoglobin

authors： Ropero P,Villegas A,Muñoz J,Briceño O,Mora A,Salvador M,Polo M,González FA

更新日期：2006-01-01 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：:α-Thalassemia (α-thal) is a very common single gene hereditary disease caused by large deletions or point mutations of the α-globin gene cluster in tropical and subtropical regions of the world. Here, we report for the first time, a novel large α-thal deletion in a Chinese family from Jiangsu Province, People's Republ...

journal_title：Hemoglobin

authors： Cao J,He S,Pu Y,Liu J,Liu F,Feng J

更新日期：2017-01-01 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：:Hb H (β4) disease is an inherited hemoglobin (Hb) defect in which three of the four α-globin genes are deleted or dysfunctional. The clinical manifestations vary widely from mild asymptomatic anemia to a severely anemic state. Recent literature suggests that Hb H disease is not as benign a disorder as previously thoug...

journal_title：Hemoglobin

authors： Liao C,Zhou JY,Xie XM,Tang HS,Li R,Li DZ

更新日期：2014-01-01 00:00:00

abstract：:Analysis of DNA polymorphic sites is an important tool for the detection of gene flow in human evolutionary studies and to study the genetic background for gene mutations. The beta-globin locus contains several single-base restriction fragment length polymorphism (RFLP) sites throughout chromosome 11. In addition to t...

journal_title：Hemoglobin

authors： Martins JT,Bordin S,de Albuquerque DM,Saad ST,Costa FF

更新日期：2005-01-01 00:00:00

abstract：:The city of Detroit has a large population of individuals with sickle cell disease, and hospitals in Detroit have seen some of the highest numbers of cases of coronavirus disease-19 (COVID-19) in 2020. The purpose of this study was to examine the pathophysiological characteristics of COVID-19 in patients with sickle c...

journal_title：Hemoglobin

authors： Balanchivadze N,Kudirka AA,Askar S,Almadhoun K,Kuriakose P,Fadel R,Dabak V

更新日期：2020-07-01 00:00:00

abstract：:We have identified through sequencing of amplified DNA a GCC-->GAC mutation in codon 115 of the beta-globin gene in a mother and daughter of a small Czech family. This base change was confirmed by hybridization with a 32P-labeled specific oligonucleotide probe and by gene mapping because it creates a new Ava II site. ...

journal_title：Hemoglobin

authors： Divoky V,Svobodova M,Indrak K,Chrobak L,Molchanova TP,Huisman TH

更新日期：1993-08-01 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：:Thalassemias and hemoglobinopathies are very common among Southeast Asian populations, particularly in Thailand, where it is estimated that nearly 30% of the population carries at least one such disorder. Moreover, the heterogeneity of different mutant alpha- and beta-globin alleles contributes to the complexity in di...

journal_title：Hemoglobin

authors： Chinchang W,Viprakasit V

更新日期：2007-01-01 00:00:00

abstract：:Hb Uxbridge [beta 20(B2)Val-->Gly] was found in an English family during a neonatal hemoglobinopathy screening program. In both the child and the parent carrying this hemoglobin variant, the red cell parameters were normal. By isoelectrofocusing Hb Uxbridge appeared to have an isoelectric point slightly higher than Hb...

journal_title：Hemoglobin

authors： Wajcman H,Promé D,Kister J,Davies SC,Galactéros F,Henthorn JS

更新日期：1996-11-01 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：:Homoserine, asparagine and glutamine do not restore the deformability of deoxygenated sickle cells in spite of noticeable morphological changes. These amino acids also do not raise the minimum gelling concentration of deoxyhemoglobin S. The use of these compounds as anti-sickling agents is therefore doubtful. ...

journal_title：Hemoglobin

authors： Shirahama K,Kubota S,Yang JT

更新日期：1980-01-01 00:00:00

abstract：:Our aim was to assess the efficacy and safety of hydroxyurea (HU) in children with severe forms of sickle cell anemia followed in a Portuguese hospital. We carried out an open-label uncontrolled prospective study, which included children with severe forms of sickle cell anemia. Hydroxyurea was started at 15 mg/kg/day ...

journal_title：Hemoglobin

authors： Braga LB,Ferreira AC,Guimarães M,Nazário C,Pacheco P,Miranda A,Picanço I,Seixas T,Rosado L,Amaral JM

更新日期：2005-01-01 00:00:00

abstract：:High oxygen affinity hemoglobins (Hbs), characterized by a decreased ability to release oxygen to the tissues and a left-shifted oxygen dissociation curve, are a rare cause of secondary erythrocytosis. Here, we report a base substitution in the β-globin gene at codon 89 (AGT>AGG) in a kindred with familial erythrocyto...

journal_title：Hemoglobin

authors： Shomali W,Brar R,Arekapudi SR,Gotlib JR

更新日期：2019-01-01 00:00:00

abstract：:We have identified and quantitated the different types of mRNA in single BFU-E derived colonies from Hb S and Hb Atlanta [beta 75 (E19)Leu-->Pro] heterozygotes and observed that the normal and mutated mRNAs were present in equal quantities. Similar studies for the different protein products gave less accurate data bec...

journal_title：Hemoglobin

authors： Smetanina NS,Gu LH,Rodriguez Romero WE,Howard EF,Huisman TH

更新日期：1996-08-01 00:00:00

abstract：:A novel hemoglobin (Hb) variant was found in a specimen that showed an unusual profile in analyses of glycohemoglobin An abnormal beta-globin, 443 Da smaller than normal beta-globin, was detected by electrospray ionization mass spectrometry (ESI/MS) with intact globin. Mass spectrometry analysis of tryptic peptides de...

journal_title：Hemoglobin

authors： Miyazaki A,Nakanishi T,Shimizu A,Mizobuchi M,Yamada Y,Imai K

更新日期：2005-01-01 00:00:00

abstract：:The aim of this study was to determine the hematological characteristics in a large group of Hb H (β4) patients with or without a coexisting β-thalassemia (β-thal), identified by a thalassemia screening program in mainland China. A total of 361 patients with Hb H disease were found, including 343 with deletional types...

journal_title：Hemoglobin

authors： Chen GL,Jiang F,Li J,Zhou JY,Li DZ

更新日期：2018-01-01 00:00:00

abstract：:A hemoglobin variant with the same electrophoretic mobility as hemoglobin S was found in three generations of a black family. No clinical symptoms or findings were present in subjects heterozygous for this mutant. Except for target forms of mature erythrocytes, they have no abnormal hematologic findings. Structural st...

journal_title：Hemoglobin

authors： Jones RT,Koler RD,Duerst ML,Dhindsa DS

更新日期：1976-01-01 00:00:00