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31. The in vitro antitumor activity tests for 5-fluorouracil-1-yl-aceto amino acid esters were carried out by comparison of 5-FU and FT-207.

32. CONCLUSION DDP resistant L1210 subline is a good experimental model in vitro for the study of mechanism of antitumor drug resistance and the screening of antitumor drug.

33. Soladulcidine is a steroidal alkaloid abundant in Solanum dulcamara L. with antitumor and other biological activities.

33. Sentencedict.com try its best to gather and build good sentences.

34. The antitumor activity, hydrolysis, binding characters to DNA and proteins of ruthenium complexes are briefly reviewed.

35. Objective To study the antitumor activity of otiose and coumarin in novobiocin.

36. It has liver protective effect, antitumor activities, therapy of cardiovascular etc.

37. RESULTS Its main chemical components are triterpenoid, the water extraction of P. obliquus have good antitumor antioxidation, and antivirus activity.

38. Objective To study the antitumor effects of the extraction of birch bark(EBB)and its influence to the immune function of the tumor-bearing mice.

39. OBJECTIVE To purify cytotoxin(CTX) from Naja naja atra venom, and to study its antitumor activity.

40. The antitumor activity and mechanism of component A produced by myxobacteria AHB103-1 were elementarily discussed in the article.

41. AIM: To investigate the antitumor effect and mechanism of trichosanthin (TCS) on melanoma B-16 cells.

42. The present invention discloses a kind of polyglycol modified antitumor compound and its preparation process.

43. Objective: To investigate the mechanisms involved in the induction of antitumor immune responses by MIF gene- modified tumor vaccine.

44. Objective To detect the in vitro antitumor action of phytohemagglutinin and lymphokine activated killer (PHA-LAK) cells.

45. CONCLUSION Compound 1-5 were all isolated from the genus Pterocarya for the first time, 1 and 5 were reported as the antitumor constituents of this plant Dode. for the first time.

46. Brefeldin has been shown to be antiviral, antibiotic, antifungal, antitumor and herbicidal.

47. Preclinical studies have shown that PDT of Tumor auguments the host specific antitumor immune response.

48. Objective To increase the yield of antitumor substances from marine actinomycete ACMA 006 strain.

49. The research progresses on bioactive peptides existed in the marine organisms such as sponges, ascidian, varec, fishes, shellfish, etc. and their antitumor effects were reviewed.

50. This paper summarized the antitumor mechanism and application prospect of Psoralen.

51. Purpose To separate antitumor compounds from submerged fermentation of Paecilomyces militaris.

52. Ribonuclease as an RNA enzyme existing in mammalian cells has the effect of antitumor in vitro and in vivo.

53. Objective To investigate the antitumor effect and mechanism of quercetin on murine cervical carcinoma U 14.

54. To compare the antitumor activities between IL-24 and epigallocatechin gallate (EGCG), a major constituent of tea polyphenols, which has the same antitumor characteristics as IL-24 in some areas.

55. Acryloyl substituted distamycin derivative, process for preparing them, and use as antitumor and antiviral agents.

56. In recent years , many studies have shown that artemisinin and its derivatives also have antitumor, anti-parasitic diseases and immunosuppressive activities.

57. Artemisinin, which is the most effective antimalarial drug, has other pharmacological activity such as antitumor, antischistosome, affecting immunity etc.

58. Artemisinin which is extractive of sweet wormwood has antitumor effect.

59. Results The chloroform extract showed the significant antitumor action when compared with the controls, and the others did not show obvious antitumor action .

60. Antitumor activity of the aquatic extract the root of Euphorbia helioscopia L ( EWE ) in Vitro were studied.