BACKGROUND
Adult T-cell leukemia is an aggressive hematological malignancy with a poor clinical prognosis, and a rapid resistance to chemotherapy is rapid.
METHODS
Cytotoxicity assay-directed fractionation identified a novel lignan-related agent, 4-methoxy-9-(3,4,5-trimethoxyphenyl)-8, 9 -
A new cytotoxic (P-388 ED50 4 microgm/ml) arylnaphthalene lignan has been isolated from the Mexican medicinal plant Hyptis verticillata (Lamiaceae) and characterized as 5-methoxydehydropodophyllotoxin [1]. Eight additional lignans were also obtained by bioactivity-directed fractionation using the
We examined the effects of a chloroform extract of Hyptis albida (CHA) on inflammatory responses in mouse lipopolysaccharide (LPS) induced peritoneal macrophages. Our findings indicate that CHA inhibits LPS-induced production of tumor necrosis factor (TNF- α ) and interleukin-6 (IL-6). During the
BACKGROUND
Hyptis verticillata Jacq. (Lamiaceae) (John Charles) is an important medicinal plant with a long history of traditional use, originating in Central America and now extending from Florida to Colombia and across the Caribbean. Records of its earliest use date back to the ancient Mayan and
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