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Clin Exp Immunol. 1981 Aug;45(2):376-85.

Reactivity differences among human T cells from blood and lymphoid organs, analysed by limiting dilution: correlation with specific gravity and binding of peanut lectin.

Abstract

Human T cells from peripheral blood, cord blood, thymus, spleen and lymph node were analysed for their proliferative response capacity to mitogens, for their specific gravity and size, and for their binding capacity of peanut agglutinin. A close correlation was found between these parameters: thymocytes and T cells from spleen were consistently heavier and smaller, and showed a lower proliferative response capacity, than T cells from blood or lymph node. Similarly, within each cell population, the small, heavy cells were least reactive. The limiting-dilution analysis revealed that heavy T cells from peripheral blood contain a lower number of reactive cells than the light peripheral T lymphocytes. Because heavy T cells from the thymus bound more peanut lectin than did light cells, it is speculated that the differences between T cells of high and low specific gravity might reflect differences in maturation level.

PMID:
6976246
PMCID:
PMC1537371
[Indexed for MEDLINE]
Free PMC Article

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