[試題] 106-2 廖永豐/陳志成 分子神經病理學 期中考
課程名稱︰分子神經病理學
課程性質︰選修
課程教師︰廖永豐/陳志成
開課學院：生命科學院
開課系所︰生命科學系
考試日期（年月日）︰2018/04/19
考試時限（分鐘）：180 min
試題 :
Please answer the following questions concisely. Each question is worth 10 pts.
(Open-book exam)
廖永豐部分
1. (i) Glutamate could be a neurotransmitter and an initiator of excitotoxicity
in neurodegeneration. NMDA receptor-mediated excessive Ca2+ influx and
resultant overstimulation of nNOS activity are key events leading to
neuronal death. How does memantine manifest less side effects, comparing
to other NMDA receptor antagonists, as an advantageous drug for neruo-
degenerative diseases? (5 pts.)
(ii) Please describe a possible scenario in which the non-apoptotic caspases
can contribute to the NMDA receptor-mediated long-term depression in
learning and memory. (5 pts.)
2. (i) Mutation in SOD1 have been linked to amyotrophic lateral sclerosis(ALS).
Please describe one experimental result that defines the mutant SOD1-
induced programmed cell death in spinal cord motor neurons. (5 pts.)
(ii) Riluzole is the first FDA-approved drug for ALS, but its mechanism of
action is poorly understood. Based on pathophysiology of ALS depicted
in the suggested reading (20180315Ref), please propose a model in which
which riluzole treatment can be effective on suppressing the ALS
mutation-induced neuronal injury. (5 pts.)
3. (i) Prion Hypothesis states that PrPSc itself is the infectious agent and
facilitates conversion of PrPC to PrPSc. The initial formation of PrPSc
might be localized and followed by the propagation of PrPSc throughout
the brain. Please explain why the PrPC-depleted mice can survive up to
48 weeks after inoculation. (5 pts)
(ii) If you are designing a new chemical compound targeting prion disease,
which one of PrPSc-mediated cellular pathways would you be targeting?
Why? (5 pts.)
陳志成部分
4. (A) When your fingertips were accidentally hit by a hammer, please describe
the molecular mechanism involved in nociception to trigger the pain
signaling from peripheral nerve terminals to spinal cord (6 pts.)
(B) After the hammer-hit, what efforts you can do to temporally reduce pain
without taking drugs and why that efforts can work. (4 pts.)
5. (A) What is neuropathic pain? (1 pt.)
(B) Please design a strategy to control neuropathic pain after spinal cord
injury and explain why it will work. (4 pts.)
(C) Axon regeneration is a major problem after spinal cord injury. However,
recent studies have made great progress in axon regeneration in the CNS.
Please state why axon regeneration is difficult after spinal cord injury
and what are the possible ways to deal with it. (5 pts.)
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