World Neurosurg
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Krüppel-like zinc-finger transcription factor 5 (KLF5), known as BTEB2 and IKLF, has several biological functions that involve cell proliferation, development, and apoptosis. In human cerebral aneurysms, macrophage infiltration is profoundly associated with growth and rupture, but the role of KLF5 remains unclear. We examined the significance of KLF5 expression in cerebral aneurysms. ⋯ This represents the first documentation that KLF5 is highly expressed in large and giant unruptured aneurysms and that in ruptured aneurysmal wall KLF5 expression was scarce. These findings suggest that the KLF5 expression and macrophage infiltration play essential roles on aneurysmal growth or rupture.
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Upon returning home to Nigeria from postresidency fellowship training in skull base surgery, using expertise gained overseas, we applied appropriate treatment to various skull base pathologies. This is an audit of our initial experience. ⋯ In spite of the many inherent challenges of a typical developing country health system, there are great prospects for skull base surgical practice in Nigerian neurological surgery.