Abstract：
:Thioether-lysophospholipids inhibited the in vitro incorporation of [3H]thymidine into blasts of 8 leukemias, lymphocytes of 3 chronic lymphocytic leukemias, and cells of 12 different solid tumors of human origin. This effect correlated with trypan blue dye exclusion, which was used to assess cell damage. Scanning electron microscopy revealed severe membrane destruction after incubation with thioether-lysophospholipids. Cytostatic and cytotoxic effects of thioether-lysophospholipids were dependent on dosage and incubation time. Destruction of leukemic blasts was completed with greater than or equal to 5 micrograms/ml after an incubation of greater than or equal to 48 hr, but 10 to 20 micrograms/ml were necessary in solid tumors. Ester-linked 2-lysophosphatidylcholine was ineffective in the same dose range, which points to the requirement of the alkyl moiety in SN1 of the molecule for the antineoplastic properties of lysophospholipid analogues.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Berdel WE,Fromm M,Fink U,Pahlke W,Bicker U,Reichert A,Rastetter Jsubject
Has Abstractpub_date
1983-11-01 00:00:00pages
5538-43issue
11eissn
0008-5472issn
1538-7445journal_volume
43pub_type
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