Germinal Center (IMAGE) La Jolla Institute for Immunology Caption Follicular dendritic cells (red) present HIV envelope protein to germinal center B cells (blue) within lymph nodes. This interaction allows the B cells to develop better antibodies against Env. Credit Dr. Jacob T. Martin, Koch Institute for Integrative Cancer Research, MIT Usage Restrictions Only in articles referencing the research described above. License Licensed content 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.