Pathological Conditions Involving Extracellular Hemoglobin: Molecular Mechanisms, Clinical Significance, and Novel Therapeutic Opportunities for alpha(1)-Microglobulin

Gram, Magnus (author): Lund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine

Allhorn, Maria (author): Lund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine

Bülow, Leif (author): Lund University,Lunds universitet,Tillämpad biokemi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Pure and Applied Biochemistry,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH

Hansson, Stefan (author): Lund University,Lunds universitet,Obstetrik och gynekologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Obstetrics and Gynaecology (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine

Ley, David (author): Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine

Olsson, Martin L (author): Lund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Transfusionsmedicin,Forskargrupper vid Lunds universitet,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine,Transfusion Medicine,Lund University Research Groups

Schmidtchen, Artur (author): Lund University,Lunds universitet,Dermatologi och venereologi, Lund,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Dermatology and Venereology (Lund),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine

Åkerström, Bo (author): Lund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine

(creator_code:org_t)

Mary Ann Liebert Inc, 2012
2012
English.
In: Antioxidants & Redox Signaling. - : Mary Ann Liebert Inc. - 1557-7716 .- 1523-0864. ; 17:5, s. 813-846

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Abstract Subject headings

Hemoglobin is the major oxygen-carrying system of the blood, but has many potentially dangerous side effects due to oxidation and reduction reactions of the heme-bound iron and oxygen. Extracellular hemoglobin, resulting from hemolysis or exogenous infusion, is shown to be an important pathogenic factor in a growing number of diseases. This review briefly outlines the oxidative/reductive toxic reactions of hemoglobin and its metabolites. It also describes physiological protection mechanisms that have evolved against extracellular hemoglobin, with a focus on the most recently discovered: the heme- and radical-binding protein α1-microglobulin (A1M). This protein is found in all vertebrates including man and operates by rapidly clearing cytosols and extravascular fluids of heme groups and free radicals released from hemoglobin. Five groups of pathological conditions with high concentrations of extracellular hemoglobin are described: hemolytic anemias and transfusion reactions, the pregnancy complication preeclampsia, cerebral intraventricular hemorrhage of premature infants, chronic inflammatory leg ulcers, and infusion of hemoglobin-based oxygen carriers as blood substitutes. Finally, possible treatments of these conditions are discussed, giving special attention to the described protective effects of A1M.

By the author/editor: Gram, Magnus; Allhorn, Maria; Bülow, Leif; Hansson, Stefan; Ley, David; Olsson, Martin L; show more...; Schmidtchen, Art ...; Åkerström, Bo; show less...

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Basic Medicine; and Cell and Molecul ...

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