Abstract

To the Editor: We read with interest the recent article by Zhang et al.1 The authors described secondary degeneration in remote regions after experimental cerebral ischemia, which could provide a target for stroke management. We completely agree that this is an appealing approach. However, the underlying pathology may be different in ischemic rodents and patients with stroke. Remote areas such as the thalamus connected to the cortical infarct are affected because of delayed retrograde degeneration of afferent connections. This is associated with extensive and complex pathology including inflammatory reactions, β-amyloid (Aβ) accumulation, calcification, and angiogenesis in rats subjected to middle …

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