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  • Title: Glycosphingolipid patterns of peripheral blood lymphocytes, monocytes, and granulocytes are cell specific.
    Author: Kiguchi K, Henning-Chubb CB, Huberman E.
    Journal: J Biochem; 1990 Jan; 107(1):8-14. PubMed ID: 2332423.
    Abstract:
    We analyzed the amounts and types of glycosphingolipids (GSLs) from peripheral blood lymphocytes, monocytes, and granulocytes isolated by counter-current elutriation. The three cell types contained different amounts of neutral and acidic GSLs. The highest amount of neutral GSLs (109 micrograms/10(8) cells) was found in granulocytes, with considerably less found in monocytes (11 micrograms/10(8) cells) and lymphocytes (4 micrograms/10(8) cells). The neutral GSLs were composed of four types of lipids, GL1 through GL4 (mono-, di-, tri-, and tetraosylceramide). The highest percentage of GL1 was detected in lymphocytes and the lowest percentage in granulocytes, with the reverse order observed for GL2. GL3 and GL4, which were minor components of the neutral GSLs, were highly cell specific, with lymphocytes containing GL3 and GL4 of the globo series, granulocytes containing GL3 and GL4 of the lacto or neolacto series, and monocytes containing GL3 and GL4 of both types. The acidic GSL, sialosyl hexaosylceramide (lacto-series), was abundant in granulocytes but not in monocytes or lymphocytes. Another ganglioside, GM3, although present in all three cell types, was most abundant in monocytes and lymphocytes, whereas sialosyl paragloboside was higher in granulocytes than in lymphocytes and monocytes. These results indicate that peripheral blood lymphocytes, monocytes, and granulocytes have distinct "GSL fingerprints."
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