In mice with melanoma, creatine supplementation increases the number of dendritic cells inside tumors, increases their release of inflammatory signaling molecules, and increases the number of immune cells recruited to the tumor.
See the scientific wording
Creatine supplementation in mouse models of melanoma increases intratumoral dendritic cell numbers and enhances their production of inflammatory signaling molecules, leading to greater recruitment of immune cells to the tumor site.
Correlational — new studies may shift this
ObservationalOne low-scoring study links this claim to the outcome, but causation is not established.
What the research says
1 study reviewedSupporting (1)
Cohort StudyHuman
Giving creatine to mice with skin cancer helped their immune system’s 'alarm cells' (dendritic cells) work better, making more of them and helping them signal other immune cells to attack the tumor.
Contradicting (0)
No contradicting studies found yet
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Creatine enters immune cells called dendritic cells inside tumors, where it helps maintain high energy levels. This energy allows the dendritic cells to become fully active, release signals that attract other immune cells, and better activate killer T cells to attack the tumor.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting study
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In mice with melanoma, creatine supplementation increases the number of dendritic cells inside tumors, increases their release of inflammatory signaling molecules, and increases the number of immune cells recruited to the tumor.
Mechanism
1 studyCreatine enters immune cells inside the tumor and keeps their energy levels high. This lets those cells become more active, send out signals to bring in more immune cells, and better train killer cells to destroy the tumor.
Creatine enters immune cells called dendritic cells inside tumors, where it helps maintain high energy levels. This energy allows the dendritic cells to become fully active, release signals that attract other immune cells, and better activate killer T cells to attack the tumor.
Dendritic cells within the tumor upregulate expression of the creatine transporter SLC6A8 to increase creatine uptake from the surrounding environment
Creatine is converted to phosphocreatine inside dendritic cells, which buffers and regenerates ATP to sustain high-energy demands
Elevated ATP levels enable dendritic cells to maintain antigen processing, express co-stimulatory molecules, and produce inflammatory cytokines and chemokines
Activated dendritic cells secrete chemokines that recruit additional immune cells to the tumor site and enhance T cell priming through improved antigen presentation and co-stimulation
Priming of T cells by activated dendritic cells leads to T cell proliferation and production of effector molecules such as interferon-gamma and tumor necrosis factor-alpha
Evidence from Studies
Supporting (1)
Community contributions welcome
Unknown Title
Giving creatine to mice with skin cancer helped their immune system’s 'alarm cells' (dendritic cells) work better, making more of them and helping them signal other immune cells to attack the tumor.
Contradicting (0)
Community contributions welcome
Score Breakdown
No multi-axis breakdown available yet. The overall Pro / Against score above is the best signal.
- No clinical evidence is available; the score reflects mechanistic plausibility only.
What Would Prove This
Per GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this claim, ordered from strongest to weakest.
Systematic Review of Creatine Supplementation Effects on Intratumoral Dendritic Cells and Immune Recruitment in Murine Melanoma Models
Systematic review and meta-analysis of all peer-reviewed animal studies evaluating creatine supplementation in murine melanoma models, comparing intratumoral dendritic cell counts, inflammatory cytokine levels, and tumor-infiltrating lymphocyte density between treated and control groups.
Randomized Controlled Trial of Creatine vs Placebo on Intratumoral Dendritic Cell Dynamics in Murine Melanoma
Randomized, blinded, placebo-controlled trial in C57BL/6 mice with B16-F10 melanoma, administering creatine (100 mg/kg/day) or saline via oral gavage for 14 days, measuring intratumoral dendritic cell density (CD11c+), cytokine expression (IL-12, IFN-γ), and CD8+ T cell infiltration via flow cytometry.
Cohort Study of Creatine Exposure Duration and Dendritic Cell Accumulation in Murine Melanoma Progression
Prospective cohort of mice with implanted melanoma tumors divided into groups receiving creatine for 7, 14, or 21 days, with serial measurements of dendritic cell density, cytokine levels, and immune cell infiltration at each time point.
In Vitro Analysis of Creatine's Direct Effect on Dendritic Cell Activation and Cytokine Secretion
Primary murine dendritic cells isolated from bone marrow and exposed to creatine (0.1–10 mM) in culture, measuring surface marker expression (CD80, CD86), cytokine secretion (IL-12, TNF-α), and T cell stimulatory capacity compared to untreated controls.
Pilot Study of Creatine Supplementation on Tumor Immune Infiltrate in a Single Strain of Melanoma-Bearing Mice
Single-arm pilot study in C57BL/6 mice with B16-F10 melanoma receiving creatine (100 mg/kg/day) for 14 days, measuring intratumoral dendritic cells and CD8+ T cells via immunohistochemistry.