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[Screening of antimitotic portions from sea hare using conidia of Pyricularia Oryzae]
Hou-wen Lin1, Hai-feng Tang, Chun Zhang
1Shanghai Changzheng Hospital, Second Military Medical University, Shanghai 200003, China.
Objective:
To apply conidia of Pyricularia Oryzae to the screening of antimitotic constituents from marine animal sea hare.
Method:
To extract and fractionate active portions from sea hare through detecting deformation of mycelia germinated from conidia of P. Oryzae P-2b, in comparison with the cytotoxic test results in vitro.
Result:
Two active portions, of which IC50 against P388 and HL-60 was 23.4, 18.6 and 19.4, 12.5 micrograms.ml-1, respectively, were screened from this animal.
Conclusion:
This bioassay method was efficiently applied to the primary screening of antimitotic portions from marine animals for the first time. Being convenient, speedy and cheap, the screening model is suitable for the bioassay of active constituents from marine life.
