ACE and type 2 diabetes mellitus: The scientometric analysis identified a significant thematic convergence in the literature, highlighted by recurring terms such as “peripheral diabetic neuropathy,” “type 2 diabetes,” “angiotensin-converting enzyme (ACE),” and “gene polymorphism.” These trends indicate ongoing scientific engagement with the genetic underpinnings of diabetic complications, especially those associated with microvascular damage [7,38,39].