American heart journal · 2023
The gut microbiota and coronary artery calcification in Japanese men.
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Okami Yukiko, Arima Hisatomi, Kondo Keiko, Hexun Zhang, Yano Yuichiro, Kadota Aya, Torii Sayuki, Hisamatsu Takashi, Fujiyoshi Akira, Kadowaki Sayaka, Watanabe Yoshiyuki, Andoh Akira, Nakagawa Yoshihisa, Ueshima Hirotsugu, Miura Katsuyuki, SESSA Research Group
Аннотация
BACKGROUND: The gut microbiota differs between patients with coronary artery disease (CAD) and healthy controls; however, it currently remains unclear whether these differences exist prior to the onset of CAD. We herein investigated the gut microbiota associated with subclinical coronary artery calcification (CAC) in a Japanese population.
METHODS: A total of 663 Japanese men were enrolled in this cross-sectional study. Computed tomography and gut microbiology tests were performed, and CAC scores were calculated using the Agatston method. Participants were categorized into 4 groups based on their CAC scores: CAC = 0, 0 <CAC ≤100, 100 <CAC, and with a CAD history. The bacterial 16S ribosomal RNA gene was amplified, and DNA sequencing was conducted on a MiSeq System. QIIME2 and LEfSe were used to analyze the gut microbiota, and the results obtained were compared among the 4 CAC categories.
RESULTS: The mean age of participants was 68.4 years (46-83 years). The numbers of participants in CAC = 0, 0 <CAC ≤100, 100 <CAC, and with a CAD history were 219, 200, 193, and 51, respectively. The medians of the Firmicutes to Bacteroidota ratio were 1.50, 1.52, 1.67, and 1.80 for each CAC category (P = .020). One standard deviation higher phylum Firmicutes, class Bacilli, and order Lactobacillales were associated with a 1.3- to 1.4-fold higher risk of CAD. These taxa were also associated with a higher CAC score category. The family Streptococcaceae and genus Streptococcus showed a higher risk of CAD. The order Enterobacterales and family Enterobacteriaceae correlated with CAC scores. The genus Blautia showed a preventive direction for CAD but did not correlate with CAC scores.
CONCLUSIONS: The gut microbiota significantly differed from the phylum to genus level in a manner that was dependent on CAC scores, even before the onset of CAD.
METHODS: A total of 663 Japanese men were enrolled in this cross-sectional study. Computed tomography and gut microbiology tests were performed, and CAC scores were calculated using the Agatston method. Participants were categorized into 4 groups based on their CAC scores: CAC = 0, 0 <CAC ≤100, 100 <CAC, and with a CAD history. The bacterial 16S ribosomal RNA gene was amplified, and DNA sequencing was conducted on a MiSeq System. QIIME2 and LEfSe were used to analyze the gut microbiota, and the results obtained were compared among the 4 CAC categories.
RESULTS: The mean age of participants was 68.4 years (46-83 years). The numbers of participants in CAC = 0, 0 <CAC ≤100, 100 <CAC, and with a CAD history were 219, 200, 193, and 51, respectively. The medians of the Firmicutes to Bacteroidota ratio were 1.50, 1.52, 1.67, and 1.80 for each CAC category (P = .020). One standard deviation higher phylum Firmicutes, class Bacilli, and order Lactobacillales were associated with a 1.3- to 1.4-fold higher risk of CAD. These taxa were also associated with a higher CAC score category. The family Streptococcaceae and genus Streptococcus showed a higher risk of CAD. The order Enterobacterales and family Enterobacteriaceae correlated with CAC scores. The genus Blautia showed a preventive direction for CAD but did not correlate with CAC scores.
CONCLUSIONS: The gut microbiota significantly differed from the phylum to genus level in a manner that was dependent on CAC scores, even before the onset of CAD.