What's Included. 1  Official IAPP CIPP participant guide. 2  Official IAPP CIPP textbook. 3  Official IAPP CIPP practice test. 4  IAPP CIPP/G certification exam voucher. 5  IAPP Membership for one year.
Natural killer cells (NK cells) are a component of the innate immune system that does not directly attack invading microbes. Rather, NK cells destroy compromised host cells, such as tumor cells or virus-infected cells, recognizing such cells by a condition known as missing self..
Blastic NK-Cell Lymphoma. Blastic NK cell lymphoma (a.k.a. CD4+CD56+ hematodermic neoplasm) is an extremely rare, aggressive form of lymphoma that affects the natural killer cells of the immune system. Natural killer cells are beneficial specialized lymphocytes that attack viruses and tumor cells.