1. Astrocytes are a type of glial cell that provide support and protection for neurons in the brain. (星形胶质细胞是一种类型的胶质细胞，为大脑中的神经元提供支持和保护。)

2. Astrocytes play a key role in maintaining the blood-brain barrier, which helps regulate the movement of substances in and out of the brain. (星形胶质细胞在维持血脑屏障方面起着关键作用，有助于调节物质在大脑内外的运动。)

3. Dysfunction of astrocytes has been linked to various neurological disorders, such as Alzheimer's disease and epilepsy. (星形胶质细胞功能失调与多种神经系统疾病有关，如阿尔茨海默病和癫痫症。)

4. Astrocytes are known to release chemical messengers called gliotransmitters that can modulate synaptic activity in the brain. (星形胶质细胞会释放一种称为胶质递质的化学信使，可以调节大脑中的突触活动。)

5. Studies have shown that astrocytes can communicate with each other through a process known as calcium wave propagation. (研究表明，星形胶质细胞可以通过一种称为钙波传播的过程相互通信。)

6. The interactions between astrocytes and neurons are crucial for proper brain function and synaptic plasticity. (星形胶质细胞和神经元之间的相互作用对于大脑功能和突触可塑性至关重要。)