The Samsung Galaxy Ace 4 is a an Android 4.4 phone with a 1.2 GHz quad-core processor, 5-megapixel camera with flash, Wi-Fi, Bluetooth, 1GB of RAM and 4GB of storage.
CD30, also known as TNFRSF8, is a cell membrane protein of the tumor necrosis factor receptor family and tumor marker.D30 is associated with anaplastic large cell lymphoma. It is expressed in embryonal carcinoma but not in seminoma and is thus a useful marker in distinguishing between these germ cell tumors. CD30 and CD15 are also expressed on classical Hodgkin Lymphoma Reed-Sternberg cells.
-found in the lymphoid follicles of the lymph nodes. spleen and MALT. -Expres FcÏ receptors (CD32) and complement receptors. -nonphagocytic and do not present antigen to helper T cells. -Trap immune complexes and assist in B cell maturation by the presentation of intact antigen to the B cells. This occurs in the germinal centers of peripheral lymphoid organs and induces class switching and proliferation.