Hb E/β-thalassemia: the second most common cause of transfusion-dependent thalassemia in the Gwalior-Chambal region of Central India.

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：:Codon 14 (+T) (HBB: c.44_45insT) is a very rare β-thalassemia (β-thal) mutation previously reported in three β-thal major (β-TM) patients of Azerbaijani origin. None of the previous reports described the genotype-phenotype correlation of the mutation. We here report the first case of homozygous codon 14 together with ...

journal_title：Hemoglobin

authors： Aliyeva G,Asadov C,Mammadova T,Musayev S,Abdulalimov E,Gafarova S,Guliyeva Y

更新日期：2018-07-01 00:00:00

abstract：:Iron is an essential component in the structure of certain molecules such as hemoglobin (Hb), myoglobin, cytochrome C and some enzymes. The iron gateway to cells is transferrin receptor (TfR). Soluble transferrin receptor (sTfR) is a product of the TfR that circulates in plasma, its concentration therefore, is proport...

journal_title：Hemoglobin

authors： Khatami S,Dehnabeh SR,Mostafavi E,Kamalzadeh N,Yaghmaei P,Saeedi P,Shariat F,Bagheriyan H,Zeinali S,Akbari MT

更新日期：2013-01-01 00:00:00

abstract：:Despite estimated high prevalence of inherited hemoglobin (Hb) disorders among tribal populations in Madhya Pradesh State, India, the burden of disease is unknown, leading to high morbidity and associated mortality. Our aim was to screen tribal populations in designated tribal districts of Madhya Pradesh State for var...

journal_title：Hemoglobin

authors： Chourasia S,Kumar R,Singh MPSS,Vishwakarma C,Gupta AK,Shanmugam R

更新日期：2020-11-01 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：: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：:A total of 218 beta-thalassemia (thal) genes from 109 beta-thal major patients were characterized using an automated fluorescence DNA sequencing technique. Eight different mutations were identified in all 218 alleles (100%). Four common mutations accounted for 96.8% [49.5% were codons 41/42 (-TTCT), 34.4% were codon 1...

journal_title：Hemoglobin

authors： Sirichotiyakul S,Saetung R,Sanguansermsri T

更新日期：2003-05-01 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：:We report the molecular and hematological characteristics of two rare hemoglobin (Hb) variants found in associations with a common α(0)-thalassemia (α(0)-thal) in Thai patients. The first case (P1) was a generally healthy 27-year-old man discovered during our ongoing thalassemia screening program. Hemoglobin and DNA a...

journal_title：Hemoglobin

authors： Singha K,Srivorakun H,Fucharoen G,Changtrakul Y,Komwilaisak P,Jetsrisuparb A,Puangplruk R,Fucharoen S

更新日期：2013-01-01 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：:Necrobiosis lipoidica (NL) is a rare granulomatous disease that predominantly affects middle-aged women and is often associated with diabetes mellitus (DM), rheumatoid arthritis (RA) and other metabolic disorders. Thalassemias are the most common hereditary hemoglobin (Hb) disorders worldwide. A few studies investigat...

journal_title：Hemoglobin

authors： Vetsiou E,Mpouras V,Nikolaidou C,Klonizakis P,Mandala E,Vamvakis K,Psarras K,Vlachaki E

更新日期：2020-05-01 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：:We describe a novel compound heterozygous genotype which consists of two point mutations named Hb Adana (HBA1: c.179G>A) and codon 127 (HBA2: c.382A>T) in a Kurdish family with two girls affected with severe α-thalassemia (α-thal). Both patients (the proband and her sister) had a history of splenectomy during childhoo...

journal_title：Hemoglobin

authors： Azimi A,Tahmasebi S,Moradi K,Nejati P,Alibakhshi R

更新日期：2020-03-01 00:00:00

abstract：:Major advances were presented at the 19th International Conference on Chelation (ICOC) in London, UK including changes in iron chelation therapy that led to the complete treatment of transfusional iron overload. The first oral iron chelation results in animals using deferiprone (L1) were published in 1985, and effecti...

journal_title：Hemoglobin

authors： Kontoghiorghes GJ

更新日期：2011-01-01 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 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 new unstable hemoglobin (Hb) variant, named Hb Aalesund, was detected during Hb A1c measurement in a patient with a nearly compensated hemolytic anemia. Sequencing of the α-globin genes revealed a 7 bp deletion in exon 3 of the HBA2 gene (HBA2: c.400_406delAGCACCG) (NM_000517.4) causing a frameshift and a premature ...

journal_title：Hemoglobin

authors： Grimholt RM,Fjeld B,Selsås H,Schwettmann L,Klingenberg O

更新日期：2019-03-01 00:00:00

abstract：:This work compiles the results of our research on alpha- and beta-thalassemias, and includes a literature review of the molecular genetics of alpha- and beta-thalassemias in Spain. We studied 1,564 subjects with thalassemia (294 with beta-thalassemia and 1,264 with alpha-thalassemia) by molecular biology techniques. I...

journal_title：Hemoglobin

authors： Villegas A,Ropero P,González FA,Anguita E,Espinós D

更新日期：2001-08-01 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 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：:Iran, as a country located in the Thalassemia Belt, has made great progress in thalassemia prevention and treatment. The thalassemia prevention program was implemented in 1995 and the country-wide thalassemia treatment network, consisting of 64 medical universities and faculties, is active. The acknowledgment of the s...

journal_title：Hemoglobin

authors： Hadipour Dehshal M,Tabrizi Namini M,Hantoushzadeh R,Yousefi Darestani S

更新日期：2019-05-01 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：: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：:High prevalence of hemoglobin (Hb) disorders mandates national programs for screening and genetic counseling in many countries. Increased Hb A2 levels are commonly associated with β-thalassemias, however, various disorders including alteration of δ chains may result in decreased production of Hb A2, thus hindering the...

journal_title：Hemoglobin

authors： Rets AV,Reading NS,Agarwal AM

更新日期：2020-11-01 00:00:00

abstract：:Toto is one of the smallest tribes in the world. This primitive sub Himalayan, endogamous tribe lives in a small, isolated village called Totopara in the Jalpaiguri district of West Bengal in India. The tribal communities of West Bengal are vulnerable to various genetic disorders such as β-thalassemia (β-thal). We hav...

journal_title：Hemoglobin

authors： Bhattacharyya D,Mukhopadhyay A,Chakraborty A,Dasgupta S,Mukhopadhyay S,Pal N,Basak J

更新日期：2013-01-01 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：:We report the identification of two different mutations involving the first nucleotide of intron 1 of the alpha2-globin gene: IVS-I-1 G-->A and G-->T. The available data indicated that both mutations reduce the efficiency of proper mRNA splicing, resulting in alpha(+)-thalassemia (alpha(+)-thal). ...

journal_title：Hemoglobin

authors： Waye JS,Eng B,Dutly F,Frischknecht H

更新日期：2009-01-01 00:00:00

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：:Many patients with sickle cell disease receive blood transfusions as a life-saving treatment. However, excess transfusions may lead to increased body iron burden. Specifically, heart failure due to cardiac iron overload is the leading cause of death in these patients. The purpose of this study was to investigate the p...

journal_title：Hemoglobin

authors： Ibrahim el-SH,Rana FN,Johnson KR,White RD

更新日期：2012-01-01 00:00:00

abstract：:A study of the spectrum of beta-thalassemia mutations in the southern part of the West Bank of the Palestinian Authority revealed the presence of 10 different beta-globin mutations. The study included 41 patients and 54 carriers of beta-thalassemia and sickle cell anemia. The spectrum of mutations observed was typical...

journal_title：Hemoglobin

authors： El-Latif MA,Filon D,Rund D,Oppenheim A,Kanaan M

更新日期：2002-02-01 00:00:00