Ettinger Flashcards
Name te 6 hallmarks of cancer
1-Self sufficient growth signals 2-Insensitivity to anti- growth signals 3- tissue invasion and metastasis 4- limitless replicative potential 5-substained angiogenesis 6-evade apoptosis
Name the tumor suppressor gene
P53
Rôle of telomerase (TTAGGG)
Prevent chromosome détérioration
If does not aged as normal, allow limitless replication
Curative radiation protocol
Large number with low dose
Results in acute side effects
Palliative radiation protocol?
Small number of high dose
Few acute side effects. High late toxicity
What cell stages are more sensitive to radiation?
Late G1, early S, G2, M
Rôle of innate immunity in tumor proliferation
- Tumor associated neutrophils (recruit Treg and support tumor angiogenesis)
- M2
- myeloid derived suppressor cell (inhibit Tcell ans recruit Treg)
Rôle of adaptive immunity in tumor progression?
Th2 and Th17 inhibit cytotoxic Tcell
Treg
Name 3 nonspecific immunotherapy
-Bacillus of Calmette and Guérin
( modified mycobacterium that elicit inflammation with macrophages, neutrophils, cytotoxic T cell and long lives memory)
- L-MTP-PT
- SQ IL-12
Which mutations means that reduction in chemotherapy dose is needed?
Dogs: MDR-1
Cats: ABCB1-delta
Palmal-plantar erythodysesthesia is cause by which chemotherapy?
Doxorubicin
Main neurological effect of vincristine ?
Iléus
Type of hypersensitivity that can be related to L-asparaginase ?
Type I (IgE)
Which breed of cat is over represented in lymphoma?
Siamese
Immunotherapy for lymphoma?
CD20 for B cell
CD52 for T cell
Chronic lymphoblastic leukemia is associated with which lymphocyte subtype ?
CD8+ T cell
Which breeds are predisposed to diffuse cornifying épithelioma?
Norwegian elkhound and Keeshond
Breeds with digital SCC
Giant schnauzer, standard poodle, Labrador, Rottweiler and flat coated retrievers
What is Bowen disease ?
Muticentric SCC