L1 - the nature of cancer Flashcards
What is a hallmark of cancer?
An element that is characteristic of all cancers
What are the hallmarks of cancer?
- Sustained proliferative signalling
- evading growth suppressors
- activating invasion and metastasis
- avoiding immune destruction
- enabling replicative immortality
- genome instability and mutation
- inducing angiogenesis
- resisting cell death
What is the biggest risk factor assigned to cancer?
AGE
Do all populations show the same frequency of cancer?
No - Japanese migration study
Is there a genetic basis for cancer?
Yes, some families show susceptibility to certain cancers implying existence of tumour suppressor genes
Give an example of an assignable influence
Snuff, chimney sweep, smoking!!
What is the difference between a nude mouse and an oncomouse
A nude mouse is immunocompromised and able to accept non-self cells in order to study human cancers. The oncomouse has been genetically manipulated in order to study the formation of mouse cancers within the mouse model.