Reproducibility of Genetic Risk Factors Identified for Long COVID using Combinatorial Analysis Across US and UK Patient Cohorts.., 2025, Sardell et al

These seem like the main results:



The frequency of their signatures was not increased in the AoU Long Covid cohort if they included signatures with low frequency, instead of those that appear in at least 4-5% of cases.

 

A paper mentioning COL4A1

https://www.pedneur.com/article/S0887-8994(23)00284-9/fulltext


Monogenic Causes of Cerebrovascular Disease in Childhood: A Case Series
Bridget E.L. Ostrem, MD, PhDbridget.ostrem@ucsf.edu ∙ Deena Godfrey, MDPaul A. Caruso, MDPatricia L. Musolino, MD, PhDa
Results

We identified 18 patients with monogenic causes of cerebrovascular disorders and classified each patient as belonging to one or more of three cerebrovascular phenotypes according to predominant imaging characteristics: small vessel disease, large vessel disease, and/or vascular malformations. Preventative treatments included aspirin, N-acetylcysteine, tocilizumab, therapeutic low-molecular-weight heparin, and resection of vascular malformations.
https://en.m.wikipedia.org/wiki/Tocilizumab
https://le.ac.uk/news/2024/april/covid-medication