Discrimination of apoptotic thymocytes by forward light scatter

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Abstract
The discrimination of apoptotic and normal rat thymocytes by forward‐angle light scatter in the UV dependend on the angle over which the scattered light was collected. To achieve good separation, the light needed to be collected over a narrow angle. It was also observed that apoptotic thymocytes gave less forward light scatter than normal cells, whereas, under identical conditions, apoptotic cells from a murine cell line gave more light scatter than their normal counterparts. We suggest that the forward light scatter of apoptotic cells is affected by several factors, including changes in cell size and in the internal structure of the cell.