66 Pathology: Neurodegeneration Flashcards
1
Q
Alzheimer Disease
- How common is this?
- How often is their a genetic component?
- When do most sporadic cases manifest?
A
2
Q
Alzheimer Disease
- What 3 symptoms does this usually manifest with?
- What 2 symptoms are indicated of server cortical dysfunction?
- How does end-stage AD present?
- What is usually the cause of death?
A
3
Q
Alzheimer Disease
- What is the fundamental abnormality of AD?
- Does location matter?
A
4
Q
Alzheimer Disease
- Where do A-Beta peptides aggregate?
- Where do Tau tangles develop?
- Where do they eventually end up?
A
5
Q
Alzheimer Disease
- What is the probably the initiating event for AD pathology?
A
6
Q
Alzheimer Disease
A
7
Q
Alzheimer Disease
- What genetic condition affects chromosomes and is related to an increased risk for AD
A
8
Q
Alzheimer Disease
- What happens between AB generation and visible plaque formation?
A
9
Q
Alzheimer Disease
- What kind of protein is 2?
- What are the 3 things that happen to tangle development?
- What 2 pathways have been suggested that cause injury to neurons?
A
10
Q
Alzheimer Disease
- Genetic Risk Factors
- What protein, located on chromosome 19, has been implicated in AD development?
- What Isoform increases the risk for AD?
- Is this isoform this increase AB or Tau generation?
- What protein, located on chromosome 19, has been implicated in AD development?
A
11
Q
Alzheimer Disease
- Inflammation
- What 2 cells does AB elicit an inflammatory response from?
- What is good about this response?
- What is bad about it?
- What 2 cells does AB elicit an inflammatory response from?
A
12
Q
Alzheimer Disease
- Relate the appearance of AB plaques and Tau tangles to cognitive impairment.
- What is a better indicator of severe dementia: High # of tangles or high # of AB?
A
13
Q
Alzheimer Disease
- Morphology
- What happens to the cerebral sulci?
- Where is this most prominent?
- What happens to the ventricles?
- What happens to the cerebral sulci?
A
14
Q
Alzheimer Disease
- Histology
- What 2 things can diagnose AD at this level?
- Which one is intracellular?
- Which one is extracellular?
- What 2 things can diagnose AD at this level?
A
15
Q
Alzheimer Disease
- Neuritic plaques
- What are these derived from?
- What do they surround?
- What does this contain?
- What 3 regions of the brain do they deposit in?
- What notable regions do they NOT deposit in, until late stages of the disease?
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A
16
Q
Alzheimer Disease
- Neurofibrillary Tangles
- What are these bundles of?
- What do they bind to; acids or bases?
- Where are they located in the cell?
- What do they do to the cell’s nucleus?
- What happens when the cell dies?
- What are the 5 cells that these are common in?
A
17
Q
Alzheimer Disease
- Where is the plaque?
- Where is the tangle?
- What is the brown stuff?
A
18
Q
Frontotemporal Lobar Degeneration
- What deficits to patients do patients usually have?
- Which ones appear first?
- How does this help differentiate this condition from Alzheimer Disease?
- How does the age of the patient help differentiate this condition from Alzheimer Disease?
A