Pinealgland polypeptide fraction. Khavinson's 1970s predecessor to the defined tetrapeptide Epitalon. Largely replaced in clinical use once the shorter, synthesizable sequence was characterized.
mechanism confidence: medium
Polypeptide fraction from bovine pineal gland (epiphysis). the parent fraction from which AEDG (epitalon) was derived. The mechanism is essentially the pineal-gland-substitute role: epithalamin increases lifespan in various animal species and inhibits spontaneous carcinogenesis (Grigoriev-Korneenkov-Popovich 2019 statistical methodology paper for the clinical trial of epithalamin). Pineal peptides including the AEDG tetrapeptide regulate neuro-immuno-endocrine balance. The Russian clinical literature (Grigoriev 2019) on epithalamin explicitly raises statistical methodology issues. Bonferroni correction, Bayes factors, p<0.005 vs p<0.05. because the trials are Russian-only and small. Epithalamin has direct reproductive endocrine effects (Galnykina 2008: pineal regulation of testicular endocrine tissue), and is part of the broader pineal-reproductive axis (Pishak 2012).
- Pinealectomised rats: epithalamin restores spleen + thyroid balance after pinealectomy (Linkova 2011, same paper as epitalon)
- Animal lifespan: epithalamin increases lifespan in various species and inhibits spontaneous carcinogenesis. basis for clinical study in elderly age-related pathology prevention (Grigoriev 2019)
- Pineal regulation of testicular endocrine tissue (Galnykina 2008). direct reproductive axis effect
- Review of pineal role in male reproductive system (Pishak 2012). broader pineal-reproductive axis
- Statistical methodology critique: Grigoriev 2019 notes that long-term epithalamin clinical studies in elderly raise multiple-comparisons issues that classical p<0.05 analyses may have over-interpreted
grade: Moderate. Strong in animal models, weaker in clinical translation (Russian-only trials, small n, statistical methodology concerns explicitly raised by Russian authors themselves).
- Is the lifespan extension in animals reproducible by independent labs?
- Pineal-reproductive axis: is the mechanism melatonin-mediated or peptide-mediated or both?
- Clinical efficacy in elderly age-related pathology. meta-analysis with corrected statistics
- Active principle: which peptides within the pineal fraction drive the effect (vs the AEDG tetrapeptide alone)?
- PMID 401413332025Overview of Epitalon-Highly Bioactive Pineal Tetrapeptide with Promising Properties. doi:10.3390/ijms26062691International journal of molecular sciences
- PMID 323620972020[Age features of bioregulatory therapy of dental diseases.].Advances in gerontology = Uspekhi gerontologii
- PMID 288498892017[Pineamin increased pineal melatonin synthesis in elderly people].Advances in gerontology = Uspekhi gerontologii
- PMID 240037262013[Peptide bioregulators: the new class of geroprotectors. Message 2. Clinical studies results].Advances in gerontology = Uspekhi gerontologii
- PMID 232375942012Melatonin and pineal gland peptides are able to correct the impairment of reproductive cycles in rats. doi:10.2174/1874609811205030003Current aging science
- PMID 233300892012Effects of melatonin and epithalamin on the content of protein and lipid peroxidation products in rat cortex and hippocampus under conditions of acute hypoxia. doi:10.1007/s10517-012-1873-7Bulletin of experimental biology and medicine
- PMID 218096212011[Influence of the pineal gland's factors on the cell composition of the bone marrow in animals of different age in conditions of changed thymus functional state].Advances in gerontology = Uspekhi gerontologii
- PMID 224518892011Peptide geroprotector from the pituitary gland inhibits rapid aging of elderly people: results of 15-year follow-up. doi:10.1007/s10517-011-1332-xBulletin of experimental biology and medicine
- PMID 185468382008[Effect of the pineal gland peptide preparation on the diurnal profile of arterial pressure in middle-aged and elderly women with ischemic heart disease and arterial hypertension].Advances in gerontology = Uspekhi gerontologii
- PMID 173174552007Antioxidant properties of geroprotective peptides of the pineal gland. doi:10.1016/j.archger.2007.01.029Archives of gerontology and geriatrics
73 total in corpus · top 10 shown
Reviewed against the archive corpora on 2026-09-16. Source-grounded. No clinical claims. Synthesis prose may preserve published experimental context from papers; that is research history, not a recommendation.