Pharmaceutical Production of Anti-tumor and Immune-potentiating Enterococcus faecalis-2001 β-glucans (image) Bentham Science Publishers Share Print E-Mail Caption Macrophages were activated by β-1,3D-glucan and β-1,4D-glucan of EF-2001. Macrophages activate NK, LAK cells. It is thought that TNFα directly causes tumor to necrosis. Credit Dr. Yeun-Hwa Gu et al, Bentham Science Publishers Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.