The experimental results show that S-O_2-1 bacterial cell wall skeleton (S-CWS) had singnificant inhibiting effect on growth of Lewis lung carcinoma, Sarcoma 180 and Ehrlich ascitic carcinoma.

• S-O_2-1菌的细胞壁骨架(S-OWS)对Lewis肺癌、S180癌和Ehrlich腹水癌均有明显的抑制效应;