IGF-1 as a Research Biomarker: What It Measures
IGF-1 is an indirect but stable measure of integrated growth hormone secretion and the activity of the somatotropic axis.
Tag: GH axis
GH Pulsatility: Why Timing Matters in Research
GH pulsatility is the natural, rhythmic secretion of growth hormone from the anterior pituitary gland in discrete bursts rather than a continuous flow.
Does IGF-1 LR3 Suppress Natural GH? Research Review
IGF-1 LR3 is a synthetic analog of human Insulin-like Growth Factor-1, modified to resist binding by inhibitory proteins for extended systemic duration.
MK-677 Research: Ibutamoren Secretagogue Studies
MK-677 is a non-peptide, orally active growth hormone secretagogue that mimics the action of ghrelin. This research compound stimulates the pituitary.
What Is GHRH? Growth Hormone-Releasing Hormone Research
GHRH is a hypothalamic peptide that signals the pituitary to release growth hormone. Analogs like CJC-1295 extend this signal for extended lab research.
Sermorelin vs Tesamorelin: GHRH Analog Research Comparison
A research-based comparison of sermorelin vs tesamorelin. Tesamorelin’s half-life is ~63 minutes, far longer than sermorelin’s ~12 minutes.
Ipamorelin vs Hexarelin: GH Secretagogue Research
Ipamorelin vs hexarelin: ipamorelin is a selective GHS-R1a agonist. Hexarelin is more potent but elevates cortisol and prolactin in research models.
CJC-1295 No DAC vs With DAC: Research Comparison
CJC-1295 No DAC vs with DAC: the DAC version extends half-life to 6-8 days via albumin binding. No DAC mimics pulsatile GH release in pituitary research.
Peptides and the Hypothalamic-Pituitary Axis
HPA axis peptide research covers GHRH analogs and GH secretagogues. Studies map how the hypothalamus and pituitary control GH pulse output in lab models.
IGF-1 Signaling: PI3K/Akt/mTOR Pathway Research
IGF-1 pathway research maps PI3K, Akt, and mTOR signaling. Studies show this cascade regulates cell growth, protein production, and survival in lab models.