Blastocystis: past pitfalls and future perspectives

Area of Science:

• Microbiology
• Human Health
• Gastroenterology

Background:

• Blastocystis is a genetically diverse protist inhabiting the intestinal tract of many vertebrates.
• Its role in human intestinal disorders is debated due to conflicting research and diagnostic challenges.

Purpose of the Study:

• To review research areas and methodologies for a better understanding of Blastocystis' role in human health and disease.
• To address inconsistencies in current Blastocystis pathogenicity data.

Main Methods:

• Review of existing research on Blastocystis.
• Identification of methodological limitations in current studies.
• Proposal for integrated prospective study designs.

Main Results:

• Lack of study standardization hinders clear conclusions on Blastocystis pathogenicity.
• Intrasubtype variation may influence the clinical relevance of Blastocystis infections.
• Diagnostic difficulties contribute to conflicting reports on Blastocystis' role.

Conclusions:

• Standardized methodologies are crucial for future Blastocystis research.
• Prospective studies integrating various approaches are needed to elucidate Blastocystis' impact on human health.
• Further investigation is required to establish the clinical significance of Blastocystis in intestinal disorders.