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Abstract Mycobacterium tuberculosis (M.tb) actively reprograms host lipid metabolism during infection; however, the underlying mechanism remains poorly understood. How M.tb manipulates macrophage lipid metabolism to induce lipid peroxidation and ferroptosis for bacterial persistence remains a fundamental question. Here, using single-cell RNA sequencing and proteomics, we show that M.tb infection substantially upregulates peroxisome proliferator-activated receptor gamma (PPARγ) in macrophages.
Abstract Emerging evidence has shown that microbiota dysbiosis and aberrant bile acid (BA) profiles are correlated with disease progression. This study elucidates dysregulated BA metabolism in psoriasis patients and imiquimod-treated female mice, coupled with increased expression of the farnesoid X receptor (FXR) in keratinocytes. Activation of FXR by glycochenodeoxycholic acis (GCDCA) ameliorates psoriatic symptoms by enhancing lipid metabolism, particularly fatty acid oxidation.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
