xCT Knockout Modestly Extends Life in Mice

Source https://www.fightaging.org/archives/2022/03/xct-knockout-modestly-extends-life-in-mice/

As a general rule, methods that produce 10-20% life extension in mice are unlikely to prove all that interesting in humans. But it depends on what is going on under the hood. In most cases interventions act on life span by upregulating cellular stress response mechanisms, and there is more than enough evidence to suggest that this category of approaches is far more effective at extending life in short-lived species than is the case in long-lived species such as our own. In this case, the mechanism of interest may be anti-inflammatory, a reduction of age-related chronic inflammation. There is not yet a body of evidence to tell us whether or not this is less interesting in long-lived species such as our own, at the same time as there is a great deal of evidence telling us that <a href="https://www.fightaging.org/a…

Source https://www.fightaging.org/archives/2022/03/xct-knockout-modestly-extends-life-in-mice/

As a general rule, methods that produce 10-20% life extension in mice are unlikely to prove all that interesting in humans. But it depends on what is going on under the hood. In most cases interventions act on life span by upregulating cellular stress response mechanisms, and there is more than enough evidence to suggest that this category of approaches is far more effective at extending life in short-lived species than is the case in long-lived species such as our own. In this case, the mechanism of interest may be anti-inflammatory, a reduction of age-related chronic inflammation. There is not yet a body of evidence to tell us whether or not this is less interesting in long-lived species such as our own, at the same time as there is a great deal of evidence telling us that <a href="https://www.fightaging.org/a…

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