Review Article: Stem cells a healing effect in cancer therapy

Abstract

Cancer is the DNA replications mistakes, where it's enhance by many chemical factors, environmental factors, radiation, in addition to, the viral and immunological diseases. It has been diagnosed many types of cancers in human being, called by the organs and classified to breast cancer, lung cancer, prostate cancer, and colon cancer …..etc. Oncology is the science of genetic materials disease after birth in humans, concern with all metabolic steps guide to abnormal DNA multiplications within somatic cells In order to stop these abnormal multiplications, the researchers tend to find genetic drugs within telomerase line of research; chemical drugs used to kill the cancer cells at early stages of disease; immunological drugs that used in immune system stimulation materials.