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Permissive microbiome characterizes human subjects with a neurovascular disease cavernous angioma

Sean P. Polster, Anukriti Sharma, Ceylan Tanes, Alan T. Tang, Patricia Mericko, Ying Cao, Julián Carrión-Penagos, Romuald Girard, Janne Koskimäki, Dongdong Zhang, Agnieszka Stadnik, Sharbel G. Romanos (+14 others)
2020 Nature Communications  

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Cavernous angiomas (CA) are common vascular anomalies causing brain hemorrhage. Based on mouse studies, roles of gram-negative bacteria and altered intestinal homeostasis have been implicated in CA pathogenesis, and pilot study had suggested potential microbiome differences between non-CA and CA individuals based on 16S rRNA gene sequencing. We here assess microbiome differences in a larger cohort of human subjects with and without CA, and among subjects with different clinical features, and
more » ... duct more definitive microbial analyses using metagenomic shotgun sequencing. Relative abundance of distinct bacterial species in CA patients is shown, consistent with postulated permissive microbiome driving CA lesion genesis via lipopolysaccharide signaling, in humans as in mice. Other microbiome differences are related to CA clinical behavior. Weighted combinations of microbiome signatures and plasma inflammatory biomarkers enhance associations with disease severity and hemorrhage. This is the first demonstration of a sensitive and specific diagnostic microbiome in a human neurovascular disease.
doi:10.1038/s41467-020-16436-w pmid:32461638 fatcat:hwks6y37tfeqbp7p2ovuba5itu
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Sean P. Polster, Anukriti Sharma, Ceylan Tanes, Alan T. Tang, Patricia Mericko, Ying Cao, Julián Carrión-Penagos, Romuald Girard, Janne Koskimäki, Dongdong Zhang, Agnieszka Stadnik, Sharbel G. Romanos, Seán B. Lyne, Robert Shenkar, Kimberly Yan, Cornelia Lee, Amy Akers, Leslie Morrison, Myranda Robinson, Atif Zafar, Kyle Bittinger, Helen Kim, Jack A. Gilbert, Mark L. Kahn, Le Shen, Issam A. Awad. "Permissive microbiome characterizes human subjects with a neurovascular disease cavernous angioma." Nature Communications 11.1 (2020) 2659