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Macrophage Immune Memory Controls Endometriosis in Mice and Humans.


Jeljeli, Mohamed and Riccio, Luiza G C and Chouzenoux, Sandrine and Moresi,Fabiana and Toullec, Laurie and Doridot, Ludivine and Nicco, Carole andBourdon, Mathilde and Marcellin, Louis and Santulli, Pietro and Abrão,Mauricio S and Chapron, Charles and

Endometriosis is a frequent, chronic, inflammatory gynecological disease characterized by the presence of ectopic endometrial tissue causing pain and infertility. Macrophages have a central role in lesion establishment and maintenance by driving chronic inflammation and tissue remodeling. Macrophages can be reprogrammed to acquire memory-like characteristics after antigenic challenge to reinforce or inhibit a subsequent immune response, a phenomenon termed "trained immunity." Here, whereas bacille Calmette-Guérin (BCG) training enhances the lesion growth in a mice model of endometriosis, tolerization with repeated low doses of lipopolysaccharide (LPS) or adoptive transfer of LPS-tolerized macrophages elicits a suppressor effect. LPS-tolerized human macrophages mitigate the fibro-inflammatory phenotype of endometriotic cells in an interleukin-10 (IL-10)-dependent manner. A history of severe Gram-negative infection is associated with reduced infertility duration and alleviated symptoms, in contrast to patients with Gram-positive infection history. Thus, the manipulation of innate immune memory may be effective in dampening hyper-inflammatory conditions, opening the way to promising therapeutic approaches.

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iDeal ChIP-seq Kit for Histones

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Published
November, 2020

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    C01010051
    iDeal ChIP-seq kit for Histones
  • Bioruptor Pico
    B01080010
    Picoruptor 2 sonication device

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