Cytotoxic effect of the thoracic-duct-lymph incubated on lymphocytes. 1979

Y Kinoshita, and T Nagasawa, and S Kimura, and K Kageyama, and E Kimura

It was found that lymphocytes cultured in the medium containing chyle were remarkably suppressed in responding to phytohemagglutinin as compared with the control culture without the fluid. This suppressive effect on the cell type seemed likely to be induced by cytotoxic substance produced from the fluid incubated. Various lipids were separated from the incubated-chyle by thin-layer and gas-liquid chromatographies and then their cytotoxic activity to the lymphocytes was examined. These experimental results suggested that unsaturated free fatty acids, made possibly from chylomicron by lipoprotein lipase, had a capability to cause lymphocytolysis. The patho-physiological and immunological significance of the cytotoxic products was discussed.

UI MeSH Term Description Entries
D008196 Lymph The interstitial fluid that is in the LYMPHATIC SYSTEM. Lymphs
D008214 Lymphocytes White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS. Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell
D008297 Male Males
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D002913 Chyle An opaque, milky-white fluid consisting mainly of emulsified fats that passes through the lacteals of the small intestines into the lymphatic system. Chyles
D003603 Cytotoxins Substances that are toxic to cells; they may be involved in immunity or may be contained in venoms. These are distinguished from CYTOSTATIC AGENTS in degree of effect. Some of them are used as CYTOTOXIC ANTIBIOTICS. The mechanism of action of many of these are as ALKYLATING AGENTS or MITOSIS MODULATORS. Cytolysins,Cytotoxic Agent,Cytotoxic Agents,Cytotoxin,Agent, Cytotoxic
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013897 Thoracic Duct The largest lymphatic vessel that passes through the chest and drains into the SUBCLAVIAN VEIN. Cisterna Chyli,Chyli, Cisterna,Chylus, Cisterna,Cisterna Chylus,Duct, Thoracic,Ducts, Thoracic,Thoracic Ducts
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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