immune globulin


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globulin

 [glob´u-lin]
any of numerous proteins that are insoluble in water or highly concentrated salt solutions but soluble in moderately concentrated salt solutions. All plasma proteins except albumin and prealbumin are globulins. The plasma globulins are separated into five fractions by serum protein electrophoresis (SPE). In order of decreasing electrophoretic mobility these fractions are the alpha1-, alpha2-, beta1-, and beta2-globulins, and the gamma globulins.

The globulins include carrier proteins, which transport specific substances; acute phase reactants, which are involved in the inflammatory process; coagulation factors; complement components; and immunoglobulins. Examples are transferrin, a beta1-globulin that transports iron, and alpha1-antitrypsin, an acute phase reactant that inhibits serum proteases. The gamma globulin fraction is almost entirely composed of immunoglobulins.
accelerator globulin factor V, one of the coagulation factors.
antihemophilic globulin (AHG) factor VIII, one of the coagulation factors.
antilymphocyte globulin (ALG) the gamma globulin fraction of antilymphocyte serum; used as an immunosuppressant in organ transplantation. The term is sometimes used interchangeably with antithymocyte globulin.
antithymocyte globulin (ATG) the gamma globulin fraction of antiserum derived from animals (such as rabbits) that have been immunized against human thymocytes; an immunosuppressive agent that causes specific destruction of T lymphocytes, used in treatment of allograft rejection. The term is sometimes used interchangeably with antilymphocyte globulin.
bacterial polysaccharide immune globulin (BPIG) a human immune globulin derived from the blood plasma of adult human donors immunized with Haemophilus influenzae type b, pneumococcal, and meningococcal polysaccharide vaccines; used for passive immunization of infants under 18 months of age.
cytomegalovirus immune globulin a purified immunoglobulin derived from pooled adult human plasma selected for high titers of antibody against cytomegalovirus; administered intravenously for treatment and prophylaxis of cytomegalovirus disease in transplant recipients.
gamma globulin
hepatitis B immune globulin (HBIG) a specific immune globulin derived from plasma of human donors with high titers of antibodies against hepatitis B surface antigen (HBsAg); used for postexposure prophylaxis following contact with HBsAg-positive materials, also administered to infants of HBsAg-positive mothers.
hyperimmune globulin any of various immune globulin preparations especially high in antibodies against certain specific diseases.
immune globulin
2. a concentrated preparation containing mostly gamma globulins, predominantly IgG, from a large pool of human donors; used for passive immunization against measles, hepatitis A, and varicella and for treatment of hypogammaglobulinemia or agammaglobulinemia in immunodeficient patients, administered intramuscularly. See also immune g. intravenous (human).
immune globulin intravenous (human) a preparation of immune globulin suitable for intravenous administration; used in the treatment of primary immunodeficiency disorders and idiopathic thrombocytopenic purpura, and as an adjunct in the treatment of Kawasaki disease and the prevention of infections associated with chronic lymphocytic leukemia, bone marrow transplantation, and pediatric human immunodeficiency virus infection.
immune human serum globulin immune globulin (def. 2).
immune serum globulin immune g. (def. 2).
pertussis immune globulin a specific immune globulin derived from the blood plasma of human donors immunized with pertussis vaccine; used for the prophylaxis and treatment of pertussis.
rabies immune globulin a specific immune globulin derived from plasma of human donors hyperimmunized with rabies vaccine; administered in conjunction with rabies vaccine in cases of bite or scratch exposure to known or suspected rabid animals.
respiratory syncytial virus immune globulin intravenous a preparation of immunoglobulin G from pooled adult human plasma selected for high titers of antibodies against respiratory syncytial virus; used for passive immunization of infants and young children.
Rh0(D) immune globulin a specific immune globulin derived from human blood plasma containing antibody to the erythrocyte factor Rh0(D); used to prevent Rh-sensitization of Rh-negative females and thus prevent erythroblastosis fetalis in subsequent pregnancies; administered within 72 hours after exposure to Rh-positive blood resulting from delivery of an Rh-positive child, abortion or miscarriage of an Rh-positive fetus, or transfusion of Rh-positive blood. It is also used as a platelet count stimulator in the treatment of idiopathic thrombocytopenic purpura.
serum g's all plasma proteins except albumin, which is not a globulin, and fibrinogen, which is not in the serum. The serum globulins are subdivided into alpha-, beta-, and gamma-globulins on the basis of their relative electrophoretic mobilities.
specific immune globulin a preparation of immune globulin derived from a donor pool preselected for high antibody titer against a specific antigen, such as hepatitis B immune globulin.
tetanus immune globulin a specific immune globulin derived from the blood plasma of human donors who have been immunized with tetanus toxoid; used in the prophylaxis and treatment of tetanus.
thyronine-binding globulin (TBG) (thyroxine-binding globulin) an acidic glycoprotein that is the main binding protein in the blood for thyroxine, and less firmly for triiodothyronine.
vaccinia immune globulin a specific immune globulin derived from the blood plasma of human donors who have been immunized with vaccinia virus smallpox vaccine; used as a passive immunizing agent.
varicella-zoster immune globulin (VZIG) a specific immune globulin derived from plasma of human donors with high titers of varicella-zoster antibodies; used for prevention or amelioration of varicella in immunocompromised patients exposed to the disease and in neonates whose mothers develop varicella in the perinatal period.

immune globulin

n.
Globulin from the blood of a person or animal immune to a certain disease, such as measles. Also called immune serum globulin.

Immune globulin

Serum containing antibodies against a specific infection.

globulin

a general term for proteins that are insoluble in water or highly concentrated salt solutions but soluble in moderately concentrated salt solutions. All plasma proteins except albumin and prealbumin are globulins. The plasma globulins can be separated into five fractions by serum protein electrophoresis (SPE). In order of decreasing electrophoretic mobility these fractions are the alpha1, alpha2, beta1 and beta2 globulins, and the gamma globulins.
The globulins include carrier proteins, which transport specific substances; acute phase reactants, which are involved in the inflammatory process; clotting factors; complement components; and immunoglobulins. Examples are transferrin, a beta1 globulin that transports iron, and alpha1-antitrypsin, an acute phase reactant that inhibits serum proteases. The gamma globulin fraction is almost entirely composed of immunoglobulins.

accelerator globulin
a substance present in plasma, but not in serum, that functions in the formation of intrinsic and extrinsic thromboplastin; called also clotting factor V.
antihemophilic globulin (AHG)
clotting factor VIII.
antilymphocyte globulin (ALG)
a substance used as an immunosuppressive agent in organ transplantation, usually in combination with immunosuppressive drugs; it is the gamma globulin fraction of antilymphocyte serum.
immune globulin
a sterile solution containing antibodies normally present in blood, derived from donor animals, sometimes after hyperimmunization with certain microorganisms; used for passive immunization against some infectious diseases and in the treatment of gamma globulin deficiency.
serum globulin
the fraction of proteins precipitated from blood serum by half saturation with ammonium sulfate; the principal groups include the α-, β- and γ-globulins.
References in periodicals archive ?
Patients receiving monthly high-dose ([greater than or equal to] 400 mg/kg) immune globulin intravenous (IGIV) are likely to be protected and probably do not require VariZIG if the most recent dose of IGIV was administered [less than or equal to] 3 weeks before exposure (9).
Finally the study results clearly show that Intravenous immune globulin (IVIG) is as effective as plasma exchange for the treatment of GBS.
Immune globulin is now produced by a single manufacturer, and its supply has been limited.
7% of those given immune globulin (relative risk=1.
The weight of the evidence in this study does not support a causal association between early exposure to mercury from thimerosal-containing vaccines and immune globulins administered prenatally or during infancy and neuropsychological functioning at the age of 7 to 10 years," they concluded.
In addition, the mothers of children with autism were not more likely to have been exposed to antepartum Rh immune globulin containing thimerosal, and were not more likely to have an Rh-negative incompatible pregnancy These findings were also true for autism subtypes.
If VariZIG is not available within 96 hours of exposure, a single dose of immune globulin intravenous should be considered as an alternative, at a recommended dose of 400 mg/kg, administered once.
7 mg of a mixture of two MAbs had the same neutralizing activity as 100 mg-170 mg of tetanus immune globulin (90).
With immune globulin products, adverse effects other than anaphylaxis can often be managed by slowing the rate of infusion or temporarily discontinuing the infusion and restarting it at a slower rate after symptoms resolve.
ADMA), a late-stage biotechnology company focused on developing specialty immune globulin therapeutics and the commercialization of human plasma, today announced that it has entered into a long-term manufacturing, supply and license agreement with Biotest Pharmaceuticals Corporation (BPC) and a license agreement with Biotest AG, BPC's parent company.
The company's investigational recombinant hepatitis B immune globulin is intended to prevent the recurrence of hepatitis B virus infection following liver transplantation.

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