The short version of AEDG fits in a sentence. The long version — which is the one that helps — is below.
This page was last updated on 2026-07-27 and is reviewed periodically as new material appears.
Epitalon is the common name for a synthetic tetrapeptide with the sequence alanine-glutamate-aspartate-glycine, usually abbreviated AEDG. All four residues are proteinogenic amino acids, and the free peptide has a calculated mass near 390 grams per mole. Because the chain is short and carries no modifications, it is assembled readily by solid-phase synthesis and is distributed mainly as a freeze-dried solid for laboratory work. Catalogue listings use the spellings epitalon, epithalone, and simply AEDG, and the three refer to the same sequence.
The compound is generally presented as a synthetic fragment of epithalamin, a pineal gland extract investigated in the former Soviet Union from the 1970s onward. Vladimir Khavinson and colleagues in Saint Petersburg developed short peptides modelled on such extracts, and epitalon became the most widely cited of those sequences. Most primary reports appeared in Russian-language journals or in proceedings with limited international circulation. Independent replication in laboratories outside that network remains sparse, and much repeated secondary material traces back to a small number of originating groups.
Several names circulate for the same molecule, including epitalon, epithalone, epithalamin tetrapeptide, and the sequence code AEDG. A CAS registry number, 307297-39-8, is commonly cited for it, though catalogue entries should be checked against supplier documentation because mislabelled records occur. In its usual form the peptide carries free amino and carboxyl termini and is neither glycosylated nor lipidated. Researchers distinguish the defined tetrapeptide from epithalamin itself, a crude pineal preparation containing many peptides that is not chemically characterised.
Material supplied for laboratory use is normally a lyophilised white to off-white powder that dissolves readily in water and in isotonic saline. Lyophilised cakes are hygroscopic and should be equilibrated to room temperature before opening to limit condensation on the solid. Solutions are typically prepared at milligram-per-millilitre concentrations and divided into single-use aliquots, because repeated freeze–thaw cycles degrade short peptides. Aqueous solutions are far less stable than the dry powder, and identity is usually verified by mass spectrometry alongside purity estimation from reversed-phase high-performance liquid chromatography.
| Property | Value | Notes |
|---|---|---|
| Molecular formula | C14H22N4O9 | Computed for the free acid of Ala-Glu-Asp-Gly |
| Molecular mass | About 390.35 g/mol | Free peptide; salt forms shift the value |
| Appearance | White to off-white solid | Typical of short peptides after freeze-drying |
| Solubility class | Freely soluble in water | Aqueous buffers are also commonly used |
| Common synonyms | Epitalon, epithalone, AEDG | AEDG is the single-letter sequence |
Most experimental work has been carried out in cell culture and animal models. Several reports describe changes in telomerase activity and proliferation in cultured cells, while rodent studies have examined lifespan, melatonin rhythm and reproductive endpoints. Human data remain limited, and much of the published clinical material consists of small trials with incomplete reporting of methods and controls. Whether the cell and animal findings translate into measurable effects in people is an open question, and the mechanistic basis of the reported telomerase changes is not fully established.
Discussions in the literature often conflate three distinct entities: the pineal extract epithalamin, the isolated tetrapeptide AEDG, and commercial preparations sold under similar names. Reviews citing older Russian-language studies sometimes omit detail on purity, route of administration and control groups, which makes cross-study comparison difficult. Researchers working with the compound generally note the need for independent replication, standardized enzyme assays, and clearer reporting of peptide identity. These caveats are relevant when weighing claims that appear in secondary sources rather than in primary reports.
（TG:@pojiaai）Epitalon is a synthetic linear tetrapeptide with the sequence alanine-glutamate-aspartate-glycine, abbreviated AEDG. It emerged from work on epithalamin, a peptide fraction prepared from bovine pineal tissue, and was designed as a short, chemically defined analogue of that extract. Early publications came mainly from Russian laboratories studying pineal peptides and aging-related endpoints. The compound appears in the literature under several spellings, including epithalon and epithalone, which complicates systematic searching. Its small size makes solid-phase assembly and routine analytical characterization straightforward.
Proposed mechanisms centre on cell-culture observations rather than a defined receptor interaction. Several reports describe increased expression of the telomerase catalytic subunit after exposure of cultured human cells, and the authors attributed the effect to short peptide fragments entering the nucleus and influencing gene transcription. No receptor for the tetrapeptide has been identified, and the free peptide is expected to be degraded rapidly by plasma peptidases. Whether any measurable fraction reaches intact tissues after administration remains an unresolved question rather than an established finding.
The published literature is dominated by a small number of research groups, much of it in Russian-language journals, and independent replication outside those groups is limited. Studies are typically small, use cultured cells or rodent models, and report endpoints that differ between papers, which makes comparison difficult. Large randomised human trials have not appeared in the indexed literature. Questions about absorption, distribution and clearance are therefore still treated as open in reviews that mention the compound.
== Music and lyrics == Guitarist-vocalist Bill Steer retrospectively said that "The first album wasn’t very focused, it was just about being fast and heavy..." He went on to say that the band did not intend the muddy sound present throughout the album: "The first one obviously is a crazy accident. It’s got a small following but we did not intend to make that record the thing that people hear now. We had different ideas and we just couldn’t execute them. We were too young, too naïve, and inexperienced. From 'Symphonies' onwards, we got better at achieving the things we wanted to achieve in the studio." Revolver said that the album's music was "hectic, brutal and sounds like it was recorded beneath a stack of wet mattresses." Invisible Oranges wrote: "Carcass’ 1988 [debut] set new standards for auditory dismemberment, channeling the sound of Napalm Death through a vomited, gore-encrusted wormhole backwards. This is the aural nightmare of the dissecting table pushed beyond the extremes previously explored by the tinny sounds of blackthrash with bowl-rupturing, gurgling low end. Ken Owen flails about so nightmarishly you can’t even really distinguish if he’s even playing drums or has merely taken the contents of mortician’s tools of the trade and thrown them out of the window of morgue into the biohazard-labeled dumpster." Lyrical themes explored on the album include vomitting, feces, wound healing, and foeticide. According to Revolver, the track "Foeticide" is a "horrific description of abortion by electrocution [...] a mad scientist frying human babies in their wombs."
=== Restrictions to trading with China === US politicians and European industry players have invoked the looming AI Cold War as a reason to ban procurement by public authorities in Europe of Huawei 5G technology due to concerns over the Chinese state-sponsored surveillance industry. In 2019, the Trump administration successfully lobbied the Dutch government into stopping the Netherlands-based company ASML from exporting equipment to China. ASML manufactures a machine called an extreme ultraviolet lithography system used by semiconductor producers, including TSMC and Intel to produce state-of the-art microchips. The Biden administration adopted the same course of action as the Trump administration and requested the Netherlands to restrict sales by ASML to China, invoking national-security concerns. The trade restrictions imposed by the Trump administration affected semiconductors imports from China to the US and raised concerns by the US industry that supply chains will be disrupted in case of an AI Cold War. This prompted US technology companies to develop mitigation strategies including hoarding semiconductors and trying to set up local semiconductor production facilities, with the support of government subsidies.
Vigilante groups such as the Black Panther Party, White Panther Party, and Young Lords have been accused of committing crimes in order to fund their political activities. While protection racketeering is often seen as nothing more than extortion, criminal syndicates that participate in protection rackets have at times provided genuine protection against other criminals for their clients, the reason for this is because the criminal organization would want the business of their clients to do better so that the gang can demand even more protection money, additionally if the gang has enough knowledge of the local fencers, they may even be able to track down and retrieve any objects that were stolen from the business owner, to further help their clients the gang may also force out, disrupt, vandalize, steal from or shutdown competing businesses for their clients. In Colombia the insurgent groups were trying to steal land, kidnap family members, and extort money from the drug barons. As a result the drug lords of the Medellín Cartel formed a paramilitary vigilante group known as Muerte a Secuestradores ("Death to Kidnappers") to defend the cartel against the FARC and M-19, even kidnapping and torturing the leader of M-19 before leaving him tied up in front of a police station.
=== Pyrrolidines and Pyrrolidinophenones === Pyrrolidines are amphetamines with a pyrrolidine group. Pyrrolidinophenones (also called Pyrovalerones) are cathinones (βk-amphetamines) with a pyrrolidine group.
Sources: en.wikipedia.org
Second, Australian public enterprises, state laws, and private corporations have frequently created worker directors, and voting rights for employees. In 1952 a trade union representative was included on the board of the new Electricity Commission of New South Wales. Other state electricity authorities did the same. The NSW State Dockyard and the railways included worker directors. There was also a worker director on the board of the South Australian Meat Corporation from 1972. In 1984 there were 19 different state corporations with worker directors. Under the Public Service Reform Act 1984, section 12 required that each government department "in consultation with relevant staff organizations... cause to be developed an industrial democracy plan for the Department". By 1995, 13% of all workplaces surveyed had employee representatives on boards, most common in education, health, and communications. Federally there were worker directors at statutory corporations including the ABC, Qantas, Telstra, Australia Post and the Reserve Bank during the ALP Government from 1983 to 1996. There were also requirements for employee-elected directors at major universities, such as the University of Melbourne, but not yet requirements for a majority to be elected by staff as is found in institutions such as Cambridge and Oxford.
Echtes Eisenkraut (German: "true ironherb") IJzerhard (Dutch: "iron-hard") Læge-Jernurt (Danish: "medical ironherb") Železník lekársky (Slovak: "medical ironherb") Rohtorautayrtti (Finnish: "medical ironherb") Közönséges vasfű (Hungarian: "common irongrass") Common vervain was scientifically described by Carl Linnaeus his 1753 Species Plantarum. The scientific name references the Ancient Roman term verbena, used for any sacrificial herb considered very powerful (as described e.g. by Pliny the Elder). Officinalis, meanwhile, is Latin for "used in medicine or herbalism".
== Tissue distribution == CRF1 is expressed widely throughout both the central and peripheral nervous systems. In the central nervous system, CRF1 is particularly found in the cortex, cerebellum, amygdala, hippocampus, olfactory bulb, ventral tegmental area, brainstem areas, paraventricular hypothalamus, and pituitary. In the pituitary, CRF1 stimulation triggers the activation of the POMC gene, which in turn causes the release of ACTH and β-endorphins from the anterior pituitary. In the peripheral nervous system, CRF1 is expressed at low levels in a wide variety of tissues, including the skin, spleen, heart, liver, adipose tissue, placenta, ovary, testis, and adrenal gland. In CRF1 knockout mice, and mice treated with a CRF1 antagonist, there is a decrease in anxious behavior and a blunted stress response, suggesting that CRF1 mechanisms are anxiogenic. However, the effect of CRF1 appears to be regionally specific and cell-type specific, likely due to the wide variety of cascades and signaling pathways activated by the binding of CRF or CRF-agonists. In mice, offspring born to CRF1 -/- knockout mothers typically die within a few days of birth from lung dysplasia, likely due to low glucocorticoid levels. In the central nervous system, CRF1 activation mediates fear learning and consolidation in the extended amygdala, stress-related modulation of memory formation in the hippocampus, and brainstem regulation of arousal.
Such trials in the communist regime were quite common and a typical practice of suppressing the right to free speech. Bosnian politicians used this practice to reaffirm their political opposition to Serbian nationalist tendencies and in particular opposition to the politics of Slobodan Milošević who was trying to revert the constitutional amendments of the 1970s that awarded the Bosniaks the status of a constituent ethnicity. The process also backfired as the Serbian lobby insisted that Bosnia was a "dark nation" where all those who oppose the government will be prosecuted, where Bosnian Muslim communists were prosecuting Muslim believers. That kind of propaganda attracted many Bosnian Muslims to their way of thinking. Others were interpreting the Sarajevo process as a way of removing the political amateurs who could end up disrupting the process of Bosnian independence.
=== Alternative remedies === Examples include: Ackee fruit, Bajiaolian, Camphor, Copaltra, Cycasin, Garcinia, Kava leaves, pyrrolizidine alkaloids, Horse chestnut leaves, Valerian, Comfrey. Chinese herbal remedies: Jin Bu Huan, Ephedra, Shou Wu Pian, Bai Xian Pi.
Sources: en.wikipedia.org
Spain also made history by being the first nation to become the reigning champion for both the men's and women's World Cups, and the first team to win the World Cup while conceding only one goal during the tournament. France captain Kylian Mbappé won his second consecutive Golden Boot for scoring the most goals (10) during the tournament. He became the all-time leading goalscorer at the World Cup and the first player to win multiple World Cup Golden Boots. The average number of goals per match in the tournament was 2.96, the highest since the 1970 edition. Spain captain Rodri won the Golden Ball as the best player of the tournament. Unai Simón won the Golden Glove as the tournament's best goalkeeper, while Pau Cubarsí won the Young Player Award as the tournament's best young player. Nearly 7 million people attended matches during the tournament, surpassing the 1994 edition to set a new record for the highest attendance in World Cup history. The 2026 World Cup reportedly generated a record $15 billion in revenue.
== Applications == BMP has been shown to remain stable, without breaking down, in high-heat pasteurization and sterilization conditions, making it possible for potential use for culinary purposes. Those advocating for the presence of BMP's flavor-enhancing umami taste report that its taste is similar to that of monosodium glutamate. Consequently, BMP possesses potential for large-scale commercialization in the food industry. However, the primary obstacle is the cost of mass production associated with the peptide. Currently, the main modes of production for specific flavor peptides such as BMP are chemical and enzymatic synthesis, both of which involve high production costs.
The lowest relative uncertainty of nA corresponds to the condition when the first derivative with respect to RAB equals zero. In addition, it is common in mass spectrometry that u(RAB)/RAB is constant and therefore we can replace u(RAB) with RAB. These ideas combine to give
The deal was also backed by Fondaction CSN and Investissement Québec and supported the transfer of management of Congebec Logistic from its founder, Laurier Pedneault, to his son, Nicholas-P Pedneault. As a result of the transaction, CRCD, an existing investor in the company, became the majority shareholder. On April 25, 2017, Nick Pedneault was named Chairman of the WFLO (World Food Logistics Organisation) and said he would focus his efforts on the development and growth of the industry as well as on the promotion of the GCCA (Global Cold Chain Alliance). The WFLO represents the research and education component of the GCCA. Mr. Pedneault is the first ever Québec native to occupy this position. In 2017 Congebec acquired Shamrock Cold Storage, inc. to establish its presence in the Toronto area; Congebec, inc. Shamrock is a cold storage company is the Toronto Market. The clients that dealt with Shamrock will remain in the Toronto storage facility.
Sources: en.wikipedia.org
It is a four-amino-acid peptide with the sequence alanine-glutamate-aspartate-glycine. The chain is unmodified and contains only standard proteinogenic residues, which makes it straightforward to produce by solid-phase synthesis and to characterise by standard peptide methods.
Epitalon and epithalon both circulate, and the difference reflects transliteration of a name coined in Russian-language publications. Reference to the extract it derives from, epithalamin, explains the shared stem. Databases and suppliers are inconsistent, so a search for one spelling alone may miss relevant entries.
No. Epithalamin is a multi-component preparation obtained from pineal tissue, and its exact composition is not fully characterised. Epitalon is a single defined tetrapeptide described as a short synthetic counterpart of that extract, so the two are related in origin but not interchangeable in identity.
It is a synthetic tetrapeptide. Its sequence was derived from research on peptide fractions of bovine pineal extract, and the intact AEDG sequence has not been demonstrated as an abundant free peptide in human tissue.