Engineered enzyme erases a stubborn mark of aging by up to 70% in human tissue samples

Phys.org · 3d ago · 1 min · 0 views

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A biotech company called Revel Pharmaceuticals is looking into ways to reverse aging, and the company's science team, along with researchers from the company Calico and the University of Colorado, may be a step closer to realizing the so-called fountain of…

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Science Phys.org 1h ago

The hunt for a natural molecule that can release cellular energy

All cells in the human body—and the motions they enable, from our beating hearts to our wiggling toes—use energy generated by a molecule called ATP. Its energy is thought to be released to fuel cellular processes in only one way: when ATP's decomposition is…

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Science Phys.org 1d ago

Combining AI protein design with laboratory evolution improves engineered enzymes

When scientists want to create a protein that can potentially treat disease, one approach is to begin with a different protein and evolve it in the lab, selecting over many generations for versions with a new, desired function.

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Science Phys.org 2d ago

Peptide isolated from a Cerrado frog increases strawberry shelf life

Five minutes. That was the amount of time that Oso Grande strawberries remained in contact with the Ctx(Ile21)-Ha peptide—a molecule isolated from a frog native to the Brazilian Cerrado—in experiments conducted in Brazil by scientists at the Tupã campus of…

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Science Phys.org 2h ago

Ancient bones from smaller Maya communities reveal heavy reliance on maize and local subsistence patterns

Historians and archaeologists know that maize was a central food source and cultural symbol across the ancient Maya world, but much of what is known has come from studies focused on large Maya cities and elite burials.

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