What is the effect of the Stau2 protein?

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BlackTom AI · Accepted Answer

Reiterating the question to set the stage: What is the effect of the Stau2 protein?
Option 1: 'It increases plasticity in the synapse.' This aligns with what is known about Stau2 (Staufen-2), an RNA-binding protein involved in dendritic mRNA transport and local translation, which supports synaptic modifications and plasticity.
Option 2: 'It decreases plasticity in the synapse.' This would imply a suppressive role for Stau2, which contradicts the established function of Stau2 in promoting local protein synthesis at synapses that facilitates plastic changes; thus, this option presents a misleading opposite effect.
Option 3: 'It increases myelin sheath production.' Myelin production is primarily handled by oligodendrocytes in the CNS and Schwann cells in the PNS, regulated by different signaling pathways. Stau2 is not primarily implicated in myelination processes, so this claim is inconsistent with its known cellular role.
Option 4: 'It decreases myelin sheath production.' Similar to Option 3, this asserts an impact on myelination that is not supported by Stau2’s documented functions, making it an inaccurate description of its effect.
In summary, the most plausible interpretation given the established role of Stau2 in mRNA transport and local translation that supports synaptic remodeling is that Stau2 enhances synaptic plasticity, while the other options misattribute roles to Stau2 or suggest effects (on myelination) that are not characteristic of its primary function.

What is the effect of the Stau2 protein?

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What is the effect of the Stau2 protein?

View Explanation

Log in for full answers

Similar Questions

In Aplysia, long-term sensitisation differs from short-term sensitisation primarily because it:

Which statement best describes spike-timing–dependent plasticity (STDP) and its primary cellular mechanism?

Which of the following best characterizes the canonical mechanism of NMDA receptor–dependent long-term depression (LTD) in hippocampal CA1 neurons?

In the context of short-term plasticity what causes facilitation?

Which of the following statements about the plasticity of synapses in the mammalian CNS is false?

Which of the following adaptations is most likely in a cholinergic synapse in which there is progressive degeneration of the presynaptic terminal?

Long-term potentiation is associated with the movement of ________ to the _______.

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