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    Home > Active Ingredient News > Study of Nervous System > Nature: Up knowledge - 1cm makes heat production faster! Scientists reveal brain-fat "small projection" that regulates the body's thermogenic "big function"

    Nature: Up knowledge - 1cm makes heat production faster! Scientists reveal brain-fat "small projection" that regulates the body's thermogenic "big function"

    • Last Update: 2022-09-14
    • Source: Internet
    • Author: User
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    Adipose tissue "talks" to the central nervous system to maintain a whole-body energy balance



    1

    Dorsal root ganglia innervate the sensory fibers of fat

    The researchers injected the anterograde tracer virus into the DRG region of pan-DRG-cre mice (targeting DRG sensory neurons) and found that the virus-carrying GFP protein projected into the inguinal white adipose tissue under tissue transparency technique, clearly visible, this projection length is about 1.


    Figure 1: Tissue transparency technique showing intact brain-fat projected fibers

    2

    The fibers that dominate adipose tissue regulate the expression of genes associated with thermogenesis

    By designing techniques that target fat sensory fibers, the researchers employed crease-dependent diphtheria toxoid A to specifically reduce DRG projection into adipose tissue fibers (about 40 percent).


    Figure 2: Fibers that dominate fat regulate thermogenesis

    3

    The fibers that innervate adipose tissue regulate the body's thermogenesis

    During surgical removal, sensory and sympathetic fibers cannot be distinguished, so techniques that selectively target sympathetic fibers are particularly important


    Figure 2: Induction of thermogenesis after knocking out of innerted fat fibers


    summary

    Conventional wisdom holds that fat signaling is delivered to the brain


    【References】

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    The pictures in the article are from references

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