IgG - immunoglobulins G - IgG1 subclasses - serum
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IGG1
Synonyms
- IgG1 subclasses
Clinic significance
The IgG1 sub-class accounts for 40 to 80% of total IgG. The relative proportions of the different sub-classes vary with age. Adult concentrations of IgG1 are reached by the age of 2 to 3 years.In adults, IgG1 antibodies tend to be directed at proteinaceous antigens. Children, because of their isotypic immaturity, produce mainly IgG1 antibodies in response to bacteria, be the antigens proteinaceous or polysaccharide-based. Most antibodies directed against viruses are either IgG1 or IgG3.Autoantibodies can be of any of the four sub-classes.
Prenalytics
- 2 mL
- Serum
- Refrigerated
Further information
- ALWAYS specify the patient's age and gender
Methodology
Immuno turbidimetry
Turnaround time
3 days
Pathologist(s) in charge
Biomnis Paris
Specialty
Haematology
Contact(s)
Dr Nihad MEKNACHE
Dr Laurence GUIS
Dr Laurence GUIS
Phone(s)
+331 49 59 63 40
+331 49 59 15 01
+331 49 59 15 01