Prevalence of propionic acidemia in China

Area of Science:

• Biochemistry
• Genetics
• Pediatrics

Background:

• Propionic acidemia (PA) is a rare autosomal recessive metabolic disorder.
• PA results from mutations in PCCA or PCCB genes, leading to toxic metabolite accumulation.
• Early and late-onset PA present with diverse and severe clinical manifestations, impacting multiple organ systems.

Purpose of the Study:

• To provide an overview of recent advances in Propionic Acidemia pathogenesis, diagnosis, and treatment.
• To present epidemiological data and insights into PA prevalence in China.
• To inform medical care for Chinese patients with PA.

Main Methods:

• Review of recent literature on Propionic Acidemia.
• Analysis of diagnostic strategies including biomarker detection.
• Evaluation of current treatment options, including liver transplantation.

Main Results:

• Identified common PCCA and PCCB gene variants in Chinese PA patients (c.2002G>A and c.1301C>T).
• These variants are frequently associated with severe clinical symptoms.
• Liver transplantation from living related donors is a viable treatment for severe PA in China.

Conclusions:

• Accurate diagnosis and timely treatment are critical for improving PA patient outcomes.
• Liver transplantation offers a promising therapeutic option for severe PA cases in China.
• Further risk-benefit analysis is essential for guiding transplantation decisions.