The Cyanobacteria Derived Toxin Beta-N-Methylamino-L-Alanine and Amyotrophic Lateral Sclerosis
2010

The Link Between Cyanobacteria Toxin BMAA and ALS

publication Evidence: moderate

Author Information

Author(s): Banack Sandra Anne, Caller Tracie A., Stommel Elijah W.

Primary Institution: The Institute for Ethnomedicine

Hypothesis

Is beta-N-methylamino-L-alanine (BMAA) a potential environmental trigger for Amyotrophic Lateral Sclerosis (ALS)?

Conclusion

There is substantial evidence suggesting that the cyanobacteria-derived toxin BMAA may play a significant role in the development of ALS and other neurodegenerative diseases.

Supporting Evidence

  • BMAA has been linked to high rates of ALS in Guam.
  • BMAA has been found in the brains of ALS patients but not in healthy controls.
  • Environmental exposure to BMAA is widespread and may contribute to neurodegenerative diseases.

Takeaway

Scientists think a toxin from blue-green algae might make people sick and cause diseases like ALS. This toxin is found in some foods and water.

Methodology

The article reviews existing literature and studies linking BMAA exposure to neurodegenerative diseases.

Potential Biases

Potential biases may arise from the reliance on observational studies and the varying quality of evidence across different studies.

Limitations

The review lacks a definitive animal model for BMAA-induced ALS and relies on existing studies that may have varying methodologies.

Participant Demographics

The review discusses various populations, including the Chamorro people of Guam and other groups exposed to BMAA.

Digital Object Identifier (DOI)

10.3390/toxins2122837

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