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A Houston Methodist study links faulty TDP43 protein to DNA repair issues, driving brain cell damage in diseases like ALS and dementia.
A Houston Methodist study reveals that TDP43, a protein tied to dementia and ALS, is crucial for DNA mismatch repair.
When dysfunctional, it causes genomic instability, contributing to neurodegeneration and potentially cancer.
Researchers found abnormal TDP43 levels trigger overactive DNA repair, leading to neuron damage.
Reducing this overactivity reversed some damage in lab models, suggesting new therapeutic avenues for neurodegenerative and other diseases.
The findings, published in Nucleic Acids Research, highlight a key link between protein function, genetic stability, and brain health.
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Un estudio metodista de Houston vincula la proteína TDP43 defectuosa con problemas de reparación del ADN, causando daño a las células cerebrales en enfermedades como la ELA y la demencia.