Ovagen Peptide’s Potential in Cellular Aging

Ovagen is a tripeptide with the structure of Glu–Asp–Leu. Therefore, it is also sometimes mentioned in scientific literature under the abbreviation EDL. Ovagen is considered one of Khavinson’s peptides, which may play a role as a cellular bioregulator. Specifically, this class of bioregulators is termed as such because they may interact with the activation and expression of various cellular genes.

Consequently, the Ovagen peptide bioregulator may support various cellular processes related to cellular aging and cellular functions. The peptide may exert these actions on a variety of cells, but the available research has primarily focused on mammalian kidney and liver cells.

Research

Ovagen Peptide’s Potential on Cellular Aging

As a bioregulator, researchers posit that Ovagen may interact with specific parts of the DNA sequence and modify the expression of certain genes. According to the research of Khavinson et al., this peptide may bind and form complexes preferentially to AT-rich stretches of mammalian DNA, where many regulatory interactions usually occur.⁽¹⁾ Specifically, previous research by Khavinson et al. suggests the peptide may form “energetically favorable complexes with d(ATATATATAT)2 sequences in the minor groove of DNA”.⁽²⁾ These are posited to be associated with genes whose expression may support cellular aging markers and cellular stress response mechanisms.

The previous work by Khavinson et al. in renal cell cultures also suggests that the peptide may modify the expression of several signaling proteins engaged in proliferation and cellular aging.⁽²⁾ More specifically, the peptide appeared to upregulate the proliferation of aged cells to levels comparable to those of younger cells. The researchers specify that Ovagen may have modulated the levels of the proteins p16, p21, and p53. By lowering them, the peptide may shift the cellular cycle towards more frequent division.

Moreover, Ovagen was apparently observed to upregulate the levels of SIRT6 in renal cell cultures. This protein is posited to be associated with cellular aging, and “the reduction of SIRT-6 synthesis in cells [may be] one of the causes of cell senescence”. By upregulating SIRT-6, Ovagen may further exert anti-cellular aging actions in cell cultures, in tandem with its support for better-supported proliferation.

Ovagen Peptide’s Potential on Cellular Proliferation

Additional experimental work, primarily described in Khavinson et al.’s patent, suggests Ovagen may have regenerative and protective activity for liver cells under laboratory conditions.⁽³⁾ In cultured hepatic cells, Ovagen was observed to prolong cell survival while simultaneously increasing proliferative activity. Murine models of experimentally induced cirrhosis also suggested that Ovagen may increase the proportion of dividing hepatocytes.

The researchers also posited that the peptide may support biochemical markers linked to liver cell injury and increase liver cell glycogen content, suggesting possible relevance to mammalian metabolic recovery alongside cellular proliferation. The regenerative and proliferative potential was apparently observed in both normal and tumor liver cells, which Khavinson et al. interpret as a suggestion that Ovagen may act as a general modulator of hepatic cell division rather than a strictly tissue-protective agent.

Ovagen Peptide’s Potential on Oxidative Stress

Additional studies conducted in laboratory settings suggest that Ovagen may exhibit antioxidant potential in certain cell culture models. Notably, research by Zamorskii et al. in aged mammalian renal cells posits that the peptide may be associated with reduced lipid peroxidation and lower levels of oxidatively modified proteins, alongside increased activity of endogenous antioxidant enzymes such as catalase and glutathione peroxidase, with the rise in glutathione peroxidase reported as particularly pronounced.⁽⁴⁾

Following this apparent shift in the prooxidant–antioxidant balance toward reduced oxidative burden at the cellular level, further experiments by the same researchers suggest accompanying changes in cellular function. Zamorskii et al. apparently observed modest alterations in tubular handling of water and sodium, including a small reduction in water reabsorption (approximately 2.9%) and an apparently “increased sodium excretion by […] 1,6 times”, while proximal sodium transport remained stable. Moreover, the researchers also suggested that the distal sodium transport was observed to increase by about 1.3-fold.

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References:

1. Khavinson, Vladimir Khatskelevich, et al. “Peptide regulation of gene expression: A systematic review.” Molecules 26.22 (2021): 7053.
2. Khavinson VKh, Tarnovskaia SI, Lin’kova NS, Poliakova VO, Durnova AO, Nichik TE, Kvetnoĭ IM, D’iakonov MM, Iakutseni PP. [Tripeptides slow down the aging process in renal cell culture]. Adv Gerontol. 2014;27(4):651-6. Russian. PMID: 25946838.
3. Khavinson, Vladimir Khatskelevich, et al. “Пептид, стимулирующий регенерацию ткани печени, фармацевтическая композиция на его основе и способ ее применения.” in Russian (2007).
4. Zamorskii, I. I.; Shchudrova, T. S.; Zeleniuk, V. G.; Linkova, N. S.; Nichik, T. E.; Khavinson, V. Kh. (2019). The Influence of Peptides on the Morphofunctional State of Kidneys in Old Rats. Advances in Gerontology, 9(1), 75–80.