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Haptoglobins and hemoglobin-haptoglobin complexes
1970Haptoglobins are serum glycoproteins which form complexes with hemoglobin. Three phenotypes of haptoglobin exist in serum (Hp 1-1, Hp 2-1, Hp 2-2). The latter two types exist as a series of polymers while the former type exists as a homogeneous protein.
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The effect of hemoglobin on the haptoglobin-anti-haptoglobin reaction
Immunochemistry, 1965Abstract Antisera against Haptoglobins 2-2, 2-1 and 1-1 were used to study antigenic changes of these haptoglobins after their combination with hemoglobini. It was found that in each instance the hemoglobin blocked several antigenic deteminant of the native haptoglobins. Many of the specific antigenic determinants of Hp2-2, however, remained free, so
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Serum Haptoglobin in Infancy [PDF]
Scandinavian Journal of Clinical and Laboratory Investigation, 1961 (1961). Serum Haptoglobin in Infancy. Scandinavian Journal of Clinical and Laboratory Investigation: Vol. 13, No. 4, pp. 576-582.
B. Czar +2 more
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Haptoglobin subtyping with anti‐haptoglobin α chain antibodies
ELECTROPHORESIS, 1990AbstractSpecific antibodies against the human haptoglobin (HP) α chain were raised and used for immunoblotting after isoelectric focusing to determine Hp α subtypes in a reproducible and simplified manner. By eliminating the staining of the HP β chain, HP α subtypes were visualized more precisely and simply than by previously reported methods. Subtypes
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Haptoglobin in Pernicious Anemia
Scandinavian Journal of Clinical and Laboratory Investigation, 1957Haptoglobin (Hp) is a term introduced by Jayk (1939) to designate a group of serum mucaproteins capable of binding hemoglobin stoechiometrically in Vim and in vitro. The haptoglobin content of the serum can be determined by two merhods, both based on the affinity of haptoglobin for hemoglobin.
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Properties of sulfanilazo-haptoglobin
International Journal of Biochemistry, 19881. Tyrosine and two structural isomers of histidine residues in human haptoglobin were modified with diazotized sulfanilic acid. Sulfanilazo-derivatives of haptoglobin obtained by increasing the reagent/protein molar ration showed gradual decrease of peroxidase activity when complexed with hemoglobin. 2.
Tadeusz Guszczyński, Wanda Dobryszycka
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Haptoglobin Subtypes in Hungary
Human Heredity, 1976Hb subtyping on a sample of 343 donors in Budapest resulted in the following gene frequencies: Hp1F = 0.139; Hp1S = 0.210; Hp2 = 0.651.
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1986
The haptoglobin molecule consists of α- and β-chains linked with disulfide bridges. The isoelectric heterogeneity observed in the β-chain is due to its content of sialic acid. The α-chain shows genetically determined structural polymorphism, and the most common subtypes 1S, 1F, 2FS, 2SS, 2FF and Johnson may be separated by isoelectric focusing (1,2). A
Brita Teige +2 more
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The haptoglobin molecule consists of α- and β-chains linked with disulfide bridges. The isoelectric heterogeneity observed in the β-chain is due to its content of sialic acid. The α-chain shows genetically determined structural polymorphism, and the most common subtypes 1S, 1F, 2FS, 2SS, 2FF and Johnson may be separated by isoelectric focusing (1,2). A
Brita Teige +2 more
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Haptoglobin: A Natural Bacteriostat
Science, 1982The combination of bacteria and blood in a wound can have lethal consequences, probably because hemoglobin iron supports prolific bacterial growth. Rats inoculated intraperitoneally with pathogenic Escherichia coli and small amounts of hemoglobin die. Simultaneous administration of haptoglobin, a naturally occurring
Paul Brandt +3 more
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Haptoglobins in cerebrospinal fluid
Clinica Chimica Acta, 1963Abstract Haptoglobin was detected more readily in starch gel electrophoresis of C.S.F. concentrates from individuals of haptoglobin type 1-1 than from those of types 2−1 and 2-2. The haptoglobin pattern was the same as that observed in serum in type 1-1 but in types 2−1 and 2-2 the proportion of the different bands was changed as there was relatively
Elizabeth B. Robson +2 more
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