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Published on: April 13, 2018
ELECTROPHORETIC PATTERNS OF NORMAL AND PATHOLOGICAL HUMAN BLOOD SERUM AND PLASMA
L G Longsworth1, T Shedlovsky, D A Macinnes
1Laboratories of The Rockefeller Institute for Medical Research.
This study analyzed human serum protein patterns using electrophoresis, revealing altered albumin/globulin ratios in various diseases. Pathological sera commonly show lower albumin levels and elevated globulin fractions, indicating disease-specific protein changes.
Area of Science:
- Clinical Chemistry
- Biochemistry
- Proteomics
Background:
- Human serum and plasma contain distinct protein components essential for physiological functions.
- Electrophoresis is a key technique for separating and analyzing these protein mixtures.
- Understanding protein concentration variations in pathological conditions is crucial for diagnostics.
Purpose of the Study:
- To analyze electrophoretic patterns of normal and pathological human sera and plasmas.
- To compute mobilities and concentrations of distinct protein components.
- To compare protein profiles in pathological versus normal samples and identify disease-associated changes.
Main Methods:
- Utilized the schlieren scanning method for electrophoretic separation of serum and plasma proteins.
- Calculated mobilities and concentrations of identified protein fractions: albumin, alpha-globulin, beta-globulin, gamma-globulin, and fibrinogen.
- Comparative analysis of protein component concentrations between normal and pathological samples.
Main Results:
- Established five distinct protein groups: albumin, alpha, beta, and gamma globulins, and fibrinogen.
- Consistently observed lower albumin/globulin ratios in pathological sera compared to normal sera.
- Noted elevated alpha-globulin/albumin ratios in febrile patients and increased gamma-globulin/albumin ratios in aplastic anemia and rheumatic fever.
Conclusions:
- Electrophoretic analysis effectively differentiates protein profiles in normal and pathological human samples.
- Reduced albumin and elevated globulin fractions are common indicators in various diseases.
- Specific protein changes, like increased gamma-globulin in nephrosis, may signify particular pathological states.
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