Hemoglobin J Iran alpha 2 beta 2 77 (EF1) his----Asp in a Russian-Armenian family.

abstract：:The major defect in α-thalassemia (α-thal) is a single or double gene deletion. The aim of this study was to evaluate the α-thal mutations in two provinces of Southern Iran, Fars & Kohkeloye and Bouyer Ahmad. A total of 2000 subjects with microcytic hypochromic anemia was selected as a study group; finally, 1177 subje...

journal_title：Hemoglobin

authors： Hossein F,Mohsen R,Mohsen M,Taheri M

更新日期：2012-01-01 00:00:00

abstract：:In Thailand alpha-thalassemia (thal), beta-thal, hemoglobin (Hb) E and Hb Constant Spring (Hb CS) are prevalent. The incidences are 20-30% for alpha-thal (3.5% for alpha-thal-1 and 16% for alpha-thal-2), 3-9% for beta-thal, up to 54% for Hb E and nearly 8% for Hb CS. Different combinations of these genes result in a s...

journal_title：Hemoglobin

authors： Fucharoen S,Winichagoon P,Thonglairuam V

更新日期：1988-01-01 00:00:00

abstract：:Raised Hb F is occasionally found in stress erythropoiesis associated with hemolytic anemias. In hereditary spherocytosis (HS), elevation of Hb F by 2-5% may be seen but Hb F in the range of 10-20% has not been reported. We present an interesting case of a child, initially presenting with high Hb F, who showed a spont...

journal_title：Hemoglobin

authors： Kar R,Saxena R,Pati HP

更新日期：2008-01-01 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：: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 Taybe is a highly unstable hemoglobin (Hb) variant caused by a 3 bp deletion at codons 38/39 (-ACC) on the α1-globin gene. We report for the first time, a patient with a compound heterozygosity for Hb Taybe and a 5 bp deletion at the splice donor site of IVS-I on the α2-globin gene and ischemic stroke and priapism....

journal_title：Hemoglobin

authors： Juul MB,Vestergaard H,Petersen J,Frederiksen H

更新日期：2012-01-01 00:00:00

abstract：:Chronic blood transfusions are necessary for patients with hereditary anemia such as thalassemia, and for patients with myelodysplastic syndrome (MDS) who become anemic and transfusion-dependent. A common consequence of chronic transfusion is iron accumulation that can lead to organ damage. While there is general agre...

journal_title：Hemoglobin

authors： Yeh SP,Yang YS,Yao CY,Peng CT

更新日期：2009-01-01 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：:We have identified a deletion of 125 bp (α-α(Δ125)) (NG_000006.1: g.37040_37164del) in the α-globin gene cluster in a Kabyle population. A combination of singlex and multiplex polymerase chain reaction (PCR)-based assays have been used to identify the molecular defect. Sequencing of the abnormal PCR amplification prod...

journal_title：Hemoglobin

authors： Singh AR,Lacan P,Cadet E,Bignet P,Dumesnil C,Vannier JP,Joly P,Rochette J

更新日期：2016-01-01 00:00:00

abstract：:We report a large novel α-globin cluster deletion that we named - -PG (NG_000006.1: g.93628_542759del450131), in a Chinese family. This large deletion is approximately 450 kb long, spanning from upstream of the PolR3k gene at the 5' end to the RAB11FIP3 gene at the 3' end of chromosome 16p13.3. This deletion removes a...

journal_title：Hemoglobin

authors： He S,Qin Q,Huang P,Zhang S,Yi S,Lin L,Zuo Y,Chen Q,Deng J,Zheng C,Chen B

更新日期：2017-01-01 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：:β-Thalassemia (β-thal) is a genetic disorder representing a major health problem in Algeria. Our first objective was to determine the allelic frequencies and molecular spectrum of β-thal mutations in patients with major hemoglobinopathies [β-thal major (β-TM) and sickle cell disease] in three provinces of northeast Al...

journal_title：Hemoglobin

authors： Abdaoui W,Benouareth DE,Djenouni A,Renoux C,Grifi F,Gouri A,Athamnia F,Benalioua M,Joly P

更新日期：2019-01-01 00:00:00

abstract：:Erythropoiesis is increased in cultures of human blood progenitors when oxygen tension is reduced from 20% (room air) to 5% (low oxygen, closer to physiological bone marrow levels). The effects of low oxygen on gamma-globin synthesis and colony growth in methyl cellulose cultures of blood mononuclear cells from normal...

journal_title：Hemoglobin

authors： Weinberg RS,Acosta R,Knobloch ME,Garber M,Alter BP

更新日期：1995-09-01 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：: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：:Hb Brest [beta 127 (H5)Gln----Lys] is a new unstable variant located at the alpha 1 beta 1 interface at the same position as Hb Complutense [beta 127(H5)Gln----Glu]. In each of these, the substitution produces a distinct alteration in charge, yet both variants move with Hb A in conventional electrophoresis. This pecul...

journal_title：Hemoglobin

authors： Baudin-Chich V,Wajcman H,Gombaud-Saintonge G,Arous N,Riou J,Brière J,Galacteros F

更新日期：1988-01-01 00:00:00

abstract：:A new beta-hemoglobin (Hb) variant, Hb Stockholm [beta7(A4)GluAsp], is described. The variant was characterized by mass spectrometry and DNA sequencing. The new variant is clinically silent but interferes with Hb A(1c) quantification using ion exchange chromatography, causing a falsely low Hb A(1c) level when using th...

journal_title：Hemoglobin

authors： Bergman AC,Beshara S,Byman I,Karim R,Landin B

更新日期：2009-01-01 00:00:00

abstract：:To study effects of ionizing radiation on apoptosis induction in leukocytes of alpha-thalassemia (alpha-thal) variants compared to normal controls, venous blood samples were obtained from 10 healthy volunteers and 30 alpha-thal patients. Different types alpha-thal were diagnosed by multiplex polymerase chain reaction ...

journal_title：Hemoglobin

authors： Tarang A,Mozdarani H,Akbari MT

更新日期：2009-01-01 00:00:00

abstract：:The detection, quantitation, and characterization of five relatively rare beta chain abnormal hemoglobins mainly by high performance liquid chromatographic procedures are described. The variants involved are Hb City of Hope (beta 69 Gly----Ser), Hb Austin (beta 40 Arg----Ser), Hb Leiden (beta 6 or 7 Glu----0), Hb Loui...

journal_title：Hemoglobin

authors： Wilson JB,Chen SS,Webber BB,Kutlar A,Kutlar F,Villegas A,Huisman TH

更新日期：1986-01-01 00:00:00

abstract：:A 22 year old American negro with mild anemia was found to be triply heterozygous for hemoglobin S, hemoglobin O Arab and alpha thalassemia. Hemoglobin A was not detected in the subject's hemolysate. The alpha thalassemia gene was expressed by an alpha/non-alpha synthesis ratio of 0.71 plus or minus 0.07 and was equal...

journal_title：Hemoglobin

authors： Ballas SK,Atwater J,Burka ER

更新日期：1977-01-01 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：:We report a novel hemoglobin (Hb) variant that we named Hb Fulton-Georgia, caused by a point mutation in exon 1/codon 20 of the α-globin gene [α20(B1)His→Pro; HBA1: c.62A>C]. This α chain variant was identified in an adult African-American female with Hb SC disease who was also heterozygous for the α-thalassemia-2 (α-...

journal_title：Hemoglobin

authors： Zhuang L,Patel N,Bryant S,Kutlar A,Kutlar F,Young AN

更新日期：2013-01-01 00:00:00

abstract：:The aim of this study was to evaluate the clinical, biological and genetic factors that could be associated with the use and dose of morphine during hospitalization for vaso-occlussive crisis (VOC) in adults with sickle cell disease. Ninety-nine hospitalizations for acute VOC (58 sickle cell disease patients aged 18 t...

journal_title：Hemoglobin

authors： Sabrie M,Cannas G,Tazarourte K,Poutrel S,Connes P,Hot A,Renoux C,Fattoum J,Joly P

更新日期：2018-07-01 00:00:00

abstract：:Almost 3 million babies were tested in a newborn screening program in Minas Gerais, Brazil (1998-2008); 128 who have S-like hemoglobins (Hbs) were tested for the β(S) allele and 112 were identified through polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) or sequencing. Hb Stanleyville-II [...

journal_title：Hemoglobin

authors： Silva MR,Sendin SM,Pimentel FS,Velloso-Rodrigues C,Romanha ÁJ,Viana MB

更新日期：2012-01-01 00:00:00

abstract：:Sickle cell disease is characterized by intermittent painful crises often requiring treatment in the emergency department (ED). Past examinations of time-to-provider (TTP) in the ED for patients with sickle cell disease demonstrated that these patients may have longer TTP than other patients. Here, we examine TTP for ...

journal_title：Hemoglobin

authors： Pulte D,Lovett PB,Axelrod D,Crawford A,McAna J,Powell R

更新日期：2016-09-01 00:00:00

abstract：:β-Thalassemia (β-thal) is characterized by reduction or absence of β-globin gene expression. We describe the spectrum of mutations observed in a large cohort of β-thal carriers in Khuzestan, Southwest Iran. All together 1,241 blood samples from individuals with decreased mean corpuscular volume (MCV) and elevated Hb A...

journal_title：Hemoglobin

authors： Galehdari H,Salehi B,Azmoun S,Keikhaei B,Zandian KM,Pedram M

更新日期：2010-01-01 00:00:00

abstract：:We detected Hb D-Los Angeles [beta 121(GH4)Glu-->Gln], the most common hemoglobin variant after Hb S and Hb Lepore-Boston, in six unrelated families in Southern Italy. Ten patients were studied; eight patients were heterozygotes and two were compound heterozygotes for the hemoglobin variant and the beta-thalassemia co...

journal_title：Hemoglobin

authors： Fioretti G,De Angioletti M,Pagano L,Lacerra G,Viola A,de Bonis C,Scarallo A,Carestia C

更新日期：1993-02-01 00:00:00

abstract：:Patients with beta-thalassemia (thal) major are subject to peroxidative tissue injury by iron overload. Glutathione S-transferases work as antioxidants, and their activity is determined genetically. In this study, we used multiplex polymerase chain reaction (m-PCR) to analyze polymorphisms of two endogenous antioxidan...

journal_title：Hemoglobin

authors： Wu KH,Chang JG,Ho YJ,Wu SF,Peng CT

更新日期：2006-01-01 00:00:00

abstract：:The present study aimed at differentiating rare types of heterozygous beta-thalassemia (thal) with normal Hb A(2) values from alpha-thal in Iranian carriers by globin chain synthesis in addition to other hematological parameters. Our study groups consisted of 51 normal subjects, 24 heterozygous beta- thalassemic subje...

journal_title：Hemoglobin

authors： Khatami S,Dehboneh SR,Sadeghi S,Mirzazadeh R,Saeedi P,Bayat P,Najmabadi H,Zeinali S,Akbari MT,Ardjmand M,Amirkhani A

更新日期：2007-01-01 00:00:00

abstract：:Unstable hemoglobin (Hb) variants represent a rare etiology of congenital hemolytic anemia. Correct diagnosis can be a challenge due to the relative rarity or lack of awareness of this disorder. We report an 18-month-old girl, who presented with a long-standing hemolytic anemia. Her diagnosis of unstable Hb Perth [β32...

journal_title：Hemoglobin

authors： Jiang H,Yan JM,Li J,Xie XM,Li DZ

更新日期：2016-06-01 00:00:00