The role of macrophages in the protection of multicellular organisms is critical and multifaceted.Regulation of macrophage populations and functions is key to maintaining tissue home ostasis and a healthy organism. As the bridge between the innate and adaptive immune systems, macrophages patrol every tissue in the body and show remarkable heterogeneity. Primarily, macrophages phagocytose harmful pathogens and release cytokines to regulate pro-inflammatory responses to infections and anti-inflammatory responses for wound healing. Prior research has demonstrated that spaceflight conditions, including microgravity and deep space radiation, have a detrimental effect on macrophage populations and functions. However, tissue-specific and individual spaceflight stressor-specific effects remain to be untangled. Furthermore, prior research into the effects of spaceflight on macrophages lacks experimental standardization, creating difficulty in reconciling disparate studies. Finally, due to their presence in various human tissues, easy accessibility in the bloodstream, and fast responses to immune status and spaceflight, macrophages present a unique opportunity for developing new diagnostic tools for spaceflight applications. Therefore, further targeted research on macrophage functions may support astronaut health in long-duration crewed space missions, both within and beyond lowEarth orbit. Here we present a review that summarizes previous findings on macrophagedys regulation in spaceflight, details key areas for further research and investment, and recommends potential investigations into spaceflight dysfunctions, diagnostics, and countermeasures.


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    Titel :

    Immunological Consequences of the Spaceflight Environment on Macrophage Function


    Beteiligte:
    Virginia Katherine Blackwell (Autor:in) / Rocky An (Autor:in) / Nadjet Cornejal (Autor:in) / Alicia Gibbons (Autor:in) / Bijan Harandi (Autor:in) / Iris Irby (Autor:in) / Amy Rees (Autor:in) / Kristina Sattler (Autor:in) / Tao Sheng (Autor:in) / Olivia Siu (Autor:in)

    Kongress:

    American Society for Gravitational and Space Research (ASGSR) 2021 ; 2021 ; Baltimore, MD, US


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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