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Nearly half of kidney transplant patients never even get started

2 weeks 4 days ago
A massive national study found that nearly half of Americans with kidney failure who are referred for a transplant never even begin the evaluation process, and only 19% make it onto the transplant waitlist. Researchers discovered that factors such as where a person lives, whether they are married, their income level, language, age, and even which transplant center they use can dramatically affect their chances of moving forward.

A surprising brain discovery is forcing scientists to rethink movement disorders

2 weeks 4 days ago
A surprising discovery is overturning a long-held assumption about how the brain’s movement center works. Researchers found that two key cerebellar cell types—thought to be tightly linked—often don’t behave in predictable ways, even though one directly influences the other. The finding suggests scientists may have been relying on the wrong signals when studying disorders such as dystonia, ataxia, and tremor.

Recurrent patterns of TOP1-mediated neuronal genomic damage shared by major neurodegenerative disorders

2 weeks 5 days ago
Amyotrophic lateral sclerosis (ALS), frontotemporal dementia (FTD), and Alzheimer's disease (AD) represent two major categories of neurodegenerative disorders-TAR DNA-binding protein 43 (TDP-43) and tau proteinopathies-for which the mechanisms driving neuronal death remain unclear. Single-cell whole-genome sequencing of 469 neurons from C9ORF72 ALS, C9ORF72 FTD, AD, and control brains revealed increased somatic single-nucleotide variants (sSNVs) and insertions/deletions (sIndels) in all three...
Zinan Zhou

Amylin at the crossroads of type 2 diabetes and neurodegenerative diseases

2 weeks 5 days ago
Type 2 diabetes (T2D) is traditionally viewed as a metabolic disease centered on insulin resistance and β-cell failure. However, growing evidence supports its reclassification as a systemic proteinopathy, in which the aggregation of amylin (islet amyloid polypeptide, IAPP) emerges as a key pathogenic event. In this review, we examine the shift toward an IAPP-centric model of disease, highlighting how IAPP misfolding and aggregation drive β-cell dysfunction independently of, and in parallel with,...
Inés López Del Castillo