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Mgf1.9
MGF – Forschung
Überwiegend Mechanismus / Beobachtung
7 begutachtete Studien
Was die Evidenz sagt
Überwiegend Mechanismus / Beobachtung
Die meisten Studien zu MGF sind mechanistisch oder beobachtend statt RCTs, die einen klinischen Effekt messen — betrachte die Ergebnisse als vorläufig.
Die meiste Evidenz stammt aus gemischt-qualitativen Studien, veröffentlicht 2018–2024.
Basierend auf 7 Studien
Konfidenz
Geringe Konfidenz
Nach Outcome
Lean body mass & muscle growthMyoblasten-Proliferation in Zellen/Tieren, aber KEINE Faserregeneration selbst im Tiermodell; keine Humanstudien zu injiziertem MGF und theoretisches Krebsrisiko. · Nicht etabliert (keine Humanstudien)
Überwiegend Mechanismus / Beobachtung4 Studien
Neuroprotection & brain aging
Überwiegend Mechanismus / Beobachtung3 Studien
Recovery
Zu wenige bewertete Studien2 Studien
Stetige Forschung
1 Studie in den letzten 5 Jahren
20182024
1Tierstudie2019
The results showed that injection of MGF did not exert a protective effect on muscle fiber regeneration; however, it did decrease fibrosis in the contused skeletal muscle after macrophage depletion.
Liu X, Zeng Z, Zhao L, Chen P, Xiao W. · Front Physiol (2019)
The most directly relevant in-vivo administration study: MGF injected into contused mouse muscle after macrophage depletion
MGF injection did NOT improve muscle-fiber regeneration — a key honest counterpoint to the muscle-building marketing
It did reduce fibrosis and lowered inflammatory cytokines (TNF-α, IFN-γ, IL-1β, TGF-β), chemokines, oxidative-stress factors, and matrix metalloproteinases
Exogenous MGF protected dorsal-root-ganglion (DRG) neurons from cisplatin chemotherapy toxicity in vitro, and endogenous MGF ameliorated cisplatin-induced thermal hyperalgesia in vivo
Identified nucleolin as a key MGF binding partner; anti-nucleolin antibodies abolished the neuroprotective effect
Frames MGF as an alternatively spliced form of IGF-1 with prior neuroprotective evidence against 6-OHDA and ischemic injury
MGF-induced NSC had more proliferationmigration rate in all oxygen conditions.
Aydıntuğ-Gürbüz T, Toprak F, Toprak S, Sözer S. · Basic Clin Neurosci (2024)
External (exogenous) administration of MGF increased proliferation and migration of rat hippocampal neural stem cells across normoxic, hypoxic, and anoxic conditions in vitro
Endogenous IGF-1 and MGF gene expression rose under low oxygen, suggesting a protective response to ischemic stress
Authors propose a neuroprotective and proliferative role for exogenous MGF in ischemia/injury
MGF could not only protect growth plate chondrocytes against damage by mechanical overload, but also promote migration through activation of RhoA/YAP signaling axis.
Jing X, Ye Y, Bao Y, Zhang J, Huang J, Wang R, Guo J, Guo F. · Exp Cell Res (2018)
MGF treatment protected growth-plate chondrocytes from mechanical-overload-induced apoptosis and inflammation in vitro
Notably, MGF had NO effect on chondrocyte proliferation or differentiation — its action here was protective and migratory, not proliferative
MGF enhanced chondrocyte migration via RhoA-GTPase–mediated cytoskeletal reorganization and YAP activation
The rabbit bone defect model showed that the low-dose T-MGF-19E peptide significantly promoted bone injury healing, suggesting its promoting effect on the healing of bone injury.
Wei W, Liu S, Song J, Feng T, Yang R, Cheng Y, Li H, Hao L. · Gene (2020)
An MGF E-peptide (T-MGF-19E) promoted proliferation, differentiation, and mineralization of MC3T3-E1 osteoblast-like cells in vitro
In a rabbit bone-defect model, low-dose T-MGF-19E peptide significantly promoted bone-injury healing
Demonstrates a regenerative effect of an MGF E-peptide in cells and an animal model — bone, not muscle
KCl at the concentrations of 7-12 mM stimulated the synthesis of IGF-1 and mechano growth factor (MGF) in murine myoblasts as well as in myotubes both at the mRNA and protein levels... potassium chloride stimulated myoblast proliferation, while IGF-1 autocrine signaling inhibition partially suppressed these mitogenic effects.
Kravchenko IV, Furalyov VA, Popov VO. · Biochem Biophys Rep (2019)
In murine myoblasts and myotubes, potassium chloride (a proxy for the ionic changes of muscle contraction) upregulated endogenous IGF-1 and MGF (IGF-1Ec) at the mRNA and protein level
KCl also stimulated myoblast proliferation, and inhibiting IGF-1 autocrine signaling partially suppressed that mitogenic effect — linking the IGF-1/MGF system to proliferation
Supports the model that loading/contraction drives endogenous MGF/IGF-1 expression tied to myoblast proliferation — this is endogenous-expression biology, not exogenous injected-MGF