The concept defines Inborn Errors of Metabolism (IEM) as a category within medical genetics and biochemistry characterized by rare genetic defects in specific enzymatic pathways that disrupt metabolic homeostasis, resulting in the accumulation of toxic substrates or deficiency of essential products. These disorders collectively exhibit an incidence rate of approximately one per thousand newborns globally, with the theoretical framework emphasizing that prenatal and early infancy screening is critical for intercepting irreversible clinical sequelae such as developmental disability and mortality before precipitating factors are engaged. The domain specifically addresses protein metabolism defects (e.g., alcaptonuria, cystinuria) alongside carbohydrate-related anomalies, establishing a mechanistic link between undetected metabolic dysregulation at birth and permanent physiological impairment in pediatric populations.
The concept defines Inborn Errors of Metabolism (IEM) as a category within medical genetics and biochemistry characterized by rare genetic defects in specific enzymatic pathways that disrupt metaboli…