Live·Open questions in longevity research

Regulatory protein

YAP

A protein involved in tissue repair and the activation of apoptosis through interaction with p73

Hypotheses on this target 5

YAPInhibition. Hypotheses on this target 33Activation. Hypotheses on this target 22Lower level. Hypotheses on this target 0Higher level. Hypotheses on this target 0Protection from degradation. Hypotheses on this target 0Function restoration. Hypotheses on this target 0Function preservation. Hypotheses on this target 0
  • Inhibition3
  • Activation2
  • Lower level
  • Higher level
  • Protection from degradation
  • Function restoration
  • Function preservation

Inhibition3

  • Late Yes-associated protein activity may limit skin scarring by killing damaged repair cells

    Where this hypothesis actsPhotodamaged skin undergoing dermal repair after repeated injury

    What is proposedSuppress activity temporarily, then restore a short late pulse

    With whatNot stated in the record

    HowControl YAP activity over time while preserving its Tyr357 phosphorylation and interaction with p73 during the late pulse

    Possible resultPossible reduction in residual contracture and scarring while preserving tensile strength

    2026-09-26

  • The link between resolving inflammation and fibrosis is an artefact of culture plastic

    Where this hypothesis actsHuman macrophages cultured on substrates with different stiffnesses

    What is proposedPrevent nuclear localization and the associated co-activation of TGFB1 transcription

    With whatPhysical or surgical intervention

    HowCulture macrophages on physiologically compliant substrates, using 2 kPa polyacrylamide gels in the proposed test

    Possible resultExpected absence of M2-associated TGF-β1 upregulation on compliant substrates

    2026-09-14

  • Less variable Yes-associated protein gene activation timing may widen safe suppression windows

    Where this hypothesis actsSkin after repeated injury, when repair and profibrotic programs overlap across cells

    What is proposedSuppress YAP with an experimentally varied start time

    With whatNot stated in the record

    HowIndependently vary the onset of YAP suppression and transcriptional response variability; the suppression technique is not stated

    Possible resultPossible prevention of scarring while preserving tissue strength and barrier repair

    2026-09-25

Activation2

  • Surviving skin fibroblasts must briefly dismantle their contractile machinery to stop pulling

    Where this hypothesis actsSurviving fibroblasts in aged skin after wound closure, under matrix tension

    What is proposedBriefly activate YAP to permit contractile disassembly while maintaining survival

    With whatNot stated in the record

    HowAppropriately timed activation followed by withdrawal; the activation method is not stated in the record

    Possible resultPossible termination of contraction and recovery of mobility without cell loss, senescence, or continued proliferation

    2026-09-21

  • Regulatory partners determine whether a signal sustains or ends fibroblast contraction

    Where this hypothesis actsFibroblasts after closure, with controlled tension and partner-specific enhancer occupancy

    What is proposedIncrease YAP activity when the repair/disassembly program is selected

    With whatControlled genetic model

    HowInducible fibroblast-specific YAP perturbation combined with independently controlled loading and targeted enhancer perturbation

    Possible resultPossible termination of contraction when YAP amplifies the repair/disassembly program

    2026-09-21