Which of the following does not provide evidence that RG3.6 cells are like Radial Glia/Neural stem cells?

Question

BlackTom AI · Accepted Answer

Question restatement: Which of the following does not provide evidence that RG3.6 cells are like Radial Glia/Neural stem cells?

Option 1: 'RG3.6 align with radial glia in developing cerebellum after transplantation soon after birth.' This suggests a similarity to radial glia in a developmental context, which can be interpreted as evidence that RG3.6 behave like neural progenitors in vivo, supporting the stem cell-like property.

Option 2: 'RG3.6 cells differentiate into neurons, astrocytes and oligodendrocytes in vitro with different culture conditions.' The ability to generate multiple neural lineages in vitro is a hallmark of neural stem/progenitor cells, so this provides strong evidence of stem cell–like multipotency.

Option 3: 'RG3.6 cells express nestin and BLBP in culture.' Nestin and BLBP are classic progenitor/ radial glia markers; their expression in culture indicates a stem cell–like, radial glia–related identity, thus supporting the comparison.

Option 4: 'RG3.6 are enriched in neurospheres.' Neurosphere formation is commonly used to enrich and propagate neural stem/progenitor cells, so this enrichment is evidence for stem cell–like properties.

Option 5: 'RG3.6 cells align along the rostral-caudal axis in the adult spinal cord.' Describing anatomical alignment in the adult spinal cord centers on spatial organization rather than evidence of stemness or progenitor properties. It does not directly demonstrate radial glia– or neural stem cell–like characteristics, making this option the one that does not provide evidence of such identity.

In summary, most options describe functional or molecular attributes (multipotency, marker expression, neurosphere enrichment, developmental alignment) that support stem cell–like qualities, whereas Option 5 focuses on anatomical positioning, not stem/progenitor evidence.

Which of the following does not provide evidence that RG3.6 cells are like Radial Glia/Neural stem cells?单项选择题

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