As it turns out, no one lets you generate mutant human embryos with deficient creatine receptors, grow them up into adult humans, inject them with melanoma, euthanize them and harvest the tumor cell mass and bone marrow for analysis.

Did you read it at all?

> Notably, creatine uptake similarly boosted the activation and immunostimulatory function of human monocyte-derived DCs.

Imagine how healthy mice in general could live, if they were able to read all these research papers about themselves.