B/07 Flashcards

1
Q

What does EGFR stand for?

A

Epidermal growth factor receptor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What type of receptor is EGFR?

A

receptor tyrosine kinase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What happens to EGFR after point mutation?

A

dimerization possible even without signal, which activates the pathway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What pathways are activated when EGFR is activated? (2)

A
  • MAPK

- STAT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Results of EGFR pathway activation

A
  • increase transcription
  • cell proliferation
  • progress in the cell cycle
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What cancer is caused by EGFR mutation?

A

Glioma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the most common BLC2 change?

A

t(14;18) - region from X18 moves to X14

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the pathway activated by mitochondria for apoptosis?

A

caspase pathway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What happens in BCL2 oncogene transformation?

A

Overexpression of BCL2 blocks the BAX and BAK dimers and thus apoptosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which protoooncogenes fuse to transform?

A

BCR and ABL genes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What change is in the ABL/BCR fusion?

A

t(9;22)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What pathways does the BCR-ABL oncoprotein activate? (4)

A
  • JAK
  • RAS
  • SRC
  • P13K
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Results of the BCR-ABL oncoprotein? (3)

A
  • cell proliferation
  • increase cell motility
  • inhibition of apoptosis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What cancer does BCR/ABL cause?

A

CML (chronic myeloid leukemia)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What cancer does BCL2 cause?

A

Follicular lymphoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly