RECENT ADVANCE IN CANCER RESEARCH——The Discovery of the Physiological Barriers

The newly designed, highly touted biological therapies like monoclonal antibodies (Mabs) , lymphokine activated killer cells (LAK) , growth factors (GFs) and so forth, because of their potent toxicity to cancer cells in vitro, have often been heralded as "breakthrough drugs" or "magic bullets" . But these drugs do not always produce good results when applied to patients. Dr. Jain, who has been studying tumor structures for 15 years, recently, found that the doomed failure of these drugs is due to the fact t...