Separation of Cells from Human Malignant Effusions Using Percoll
Author Information
Author(s): A.W. Hamburger, F.E. Dunn, C.P. White
Primary Institution: American Type Culture Collection
Hypothesis
Can Percoll density gradient centrifugation effectively separate different cell types from human malignant effusions?
Conclusion
Percoll density gradient centrifugation is an effective method for separating malignant cells, macrophages, and lymphocytes from human malignant effusions.
Supporting Evidence
- Total cell recovery from 27 experiments was 67+4%.
- Macrophages were recovered with 90% purity in the intermediate density fraction.
- 98% of recovered lymphocytes were found in the high density fraction with 92% purity.
- 90% of malignant adenocarcinoma cells were recovered in the lowest density fractions.
Takeaway
Scientists found a way to separate different types of cells from cancer patients' fluids using a special liquid called Percoll, which helps them study these cells better.
Methodology
Cells from malignant effusions were separated using discontinuous density gradients of Percoll, followed by analysis of cell types and characteristics.
Limitations
The method may not be effective for all tumor types, particularly those with higher density cells.
Participant Demographics
Patients with adenocarcinomas of the ovary, colon, breast, and cardiac failure.
Statistical Information
Statistical Significance
p<0.05
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