Passport delays: applicants' long and frustrating wait. 1  Backlog caused by spike in applications has thrown many people's plans into chaos with some having to resort to desperate measures. 2  Backlog caused by spike in applications has thrown many people's plans into chaos with some having to resort to desperate measures.
Suppressor T cell. Definition. noun. A type of T cell that expresses CD8 transmembrane glycoprotein, and functions by inhibiting, suppressing, or helping to stop an immune response by releasing signals to other immune cells. Supplement. Examples of suppressor T cells are suppressor macrophages.
The protein products of tumor suppressor genes can directly or indirectly prevent cell division or lead to cell death. Tumor suppressors can be likened to the brake system in a car. Loss of function of tumor suppressors leads to abnormal cellular behavior. The following describes the function of some key tumor suppressor genes: p53