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The IPH Peptide Complexes as Regulators of the Body’s Reserve Capabilities and Functionality in the Aspect of Melatonin Level Control

Introduction

Melatonin is one of the central hormones of the diffuse neuroimmunoendocrine system, regulating physiological and pathological processes in the body. Melatonin serves as a universal system of adaptation, control, and protection for the organism [1,2]. Considering melatonin as a key signaling molecule for local coordination of cellular functions is promising [2].

Melatonin is a methoxyindole primarily synthesized and secreted by the pineal gland, also known as the epiphysis. Belonging to the indole group, melatonin is a small molecule with numerous properties at both the molecular and organismal levels. Through specific receptors, melatonin can control the “full sleep – vigilance” process, prevent the development of neoplasms, and is known for its detoxification capabilities, free radical scavenging, and reducing the harmful effects of oxidative stress. This helps protect individuals from developing cardiometabolic diseases and complications such as stroke, myocardial infarction, thrombosis, and others [3,4].

Many researchers investigate the direct action of extracted or synthesized melatonin. Recently, melatonin has become a popular drug used as a circadian rhythm regulator. Studies conducted over the last decade on oncological diseases, Alzheimer’s disease, fertility, multiple sclerosis, ovarian cysts, and many other conditions, combined with viral diseases, including COVID-19, have increased awareness of melatonin due to its ability to act as a powerful antioxidant, immunoactive agent, and mitochondrial regulator. Melatonin acts as a hormone, affecting multiple systems thanks to its immunomodulatory and anti-inflammatory functions. The trend towards wider use of melatonin and the improvement of its production have led to many developments in synthesizing this substance and further studying its properties [4].

Changes in melatonin production contribute to the development of diseases, exacerbate symptoms, or facilitate the progression of existing health disorders. Since melatonin receptors are widely distributed in the body, the therapeutic indications for using this compound are numerous. However, the literature lacks multicenter studies with a large number of patients that would confirm the effectiveness of melatonin intake and the absence of long-term toxicity [5,6]. Therefore, drugs capable of stimulating the synthesis of endogenous melatonin, including those from the epiphysis, as melatonin is synthesized by this organ, are considered promising [7,8].

The pineal gland is a neurogenic endocrine gland represented by a small pineal body of grayish-reddish color, located in the area of the midbrain tectum. The functional significance of the pineal gland for humans is not yet fully understood, but its important role in synthesizing melatonin, which has many functional components, should not be denied.

The numerous stresses, lack of sleep, and overstrain of the “21st-century human” also reduce the production of endogenous melatonin, leading to a decrease in the body’s reserve forces and functionality [5,7,8].

Given the above, researching the properties of drugs that can restore the reserve capabilities and functionality of the organism in terms of controlling melatonin levels is considered relevant.

This article will provide a brief overview of the research findings on the effects of using the peptide IPH EP, which may contribute to optimizing cognitive functioning, mood, enhancing the body’s reserve capabilities and overall functionality, and therefore offering additional preventive benefits for general health. The increase in local and systemic biomarker levels, released upon peptide application and possessing protective properties, indicates the importance of their use in terms of preserving and restoring organ functions at any life stage and in any diseases. Objective: To explore the potentials of the peptide complex IPH EP.

 

Material and Methods

The conducted study evaluated the molecular-cellular impact, the effect on biological age and aging markers, and the clinical efficacy of the peptide IPH EP as a regulator of the reserve capabilities and functionality of the organism in terms of controlling melatonin levels.

Melatonin production was determined by the level of urinary excretion of 6-sulfatoxymelatonin (6-SMT) using an immunoassay with an ELISA kit from BUHLMANN, Germany. The study was conducted on individuals of various ages, forming groups of 25 people each – adults from 20-35 years: average age 28.9±1.2 years, adults from 36-50 years: average age 42.3±1.6 years, adults from 51-65 years: average age 58.7±1.3 years, and adults over 65 years: 69.0±2.1 years.

We evaluated the expression of the p53 protein using fluorescent microscopy. The examination of preparations was conducted with an Olympus FluoView FV1000 confocal microscope, measuring the relative expression area in %.

For the study of buccal epithelium, immunoglobulins conjugated with Alexa-648 were used, and the verification of the expression of studied signaling molecules was related to the application of in situ hybridization methods of specific matrix RNA (mRNA) and electron microscopy, using antibodies to active molecules. Buccal epithelium samples were placed on poly-L-lysine-coated slides (Sigma). The research protocol followed the international consortium protocol RUS-SP-GER 2000, employing fluorescent microscopy conducted with an Olympus FV 1000 confocal microscope, and microscopic image analysis was facilitated by Videotest 5.2 software.

To assess anxiety, the Spielberger Anxiety Scale was chosen. The SF-36 questionnaire was used to evaluate the quality of life.

We used German peptides IPH EP, which have all the necessary approvals and permissions for global markets, such as: WADA certificate (anti-doping), MAFFA certificate (safety), ORGANIC certificate, HALAL certificate, patent protection: a patent in the United States – Patent Application Publication (United States, No.:US2021/052534A1, date: Feb.25,2021), patent in the European Union No. 016704471, patent in the Russian Federation No. 645608, patent in the People’s Republic of China No. 30507522. The efficacy of the peptide IPH EP was assessed by us after 3 months, 6 months, and 1 year.

In processing the study data, the calculation of mean intensive and extensive values was carried out with the calculation of the standard error; the significance of differences between two groups was assessed using the Student’s t-test (the difference in indicators was considered significant at t>2, p<0.05).

Results and Discussion: Molecular-cellular impact of the peptide IPH EP as a regulator of the reserve capabilities and functionality of the organism in terms of controlling the level of melatonin

The main function of the pineal gland in the brain is the production of endogenous melatonin, the reduction of which depends on many factors of the modern world. Thus, the constant action of oxidative stress, which develops from external influences and is exacerbated by the development of diseases, psycho-emotional stress, and disorders in the body, including the development of metabolic syndrome symptoms, leads to a reduction in the level of endogenous melatonin.

The aforementioned factors affect the shortening or damage of telomeres, reduction in the synthesis of growth factors, expression of proteins p53, pRb, leading to cellular aging, apoptosis, DNA repair, and genome instability. These factors are precursors of both premature aging and the development of oncological formations.

Therefore, when studying the properties of the pineal gland, we selected markers that characterize its action and properties.

The level of melatonin is determined by its metabolite in morning urine – 6-hydroxysulfate melatonin, which is the most reliable indicator of this hormone. The data are presented in Table 1.

Table 1. Dynamics of tau protein expression with the use of the peptide IPH EP in the long term

Age Group Normal Values (ng/h) 3 Months Without IPH EP 3 Months With IPH EP 6 Months Without IPH EP 6 Months With IPH EP 1 Year Without IPH EP 1 Year With IPH EP
Adults (20-35 years) 1017 – 6074 2444.9±5.3 4574.8±6.8* 2556.8±5.8 5008.0±6.9* 2262.3±4.7 6062.3±7.7*
Adults (36-50 years) 598 – 3612 1459.9±3.7 2998.2±5.7* 1789.2±3.9 3124.5±5.9* 1896.2±4.7 3278.2±6.6*
Adults (51-65 years) 861 – 2421 1042.5±3.2 1784.9±4.3* 1056.2±3.4 1984.4±4.3* 1009.2±2.2 2138.2±4.6*
Adults (over 65 years) 327 – 2396 456.9±1.3 1075.2±1.7* 562.9±1.8 1678.2±1.7* 561.7±1.2 2145.1±1.8*

*p<0.05 between indicators without the use of the peptide and with the use of the peptide IPH EP.

The level of melatonin in patients aged 20 to 35 years was below the median normal value, likely due to the dense work schedule of this age group affecting the quantity and quality of sleep, leading to a reduction in the production of endogenous melatonin. However, the use of the peptide IPH EP contributes to the restoration of endogenous melatonin production, which amounted to 4574.8±6.8 ng/h after 3 months, 5008.0±6.9 ng/h after 3 months, and maximally close to the upper limit of normal results – 6062.3±7.7 ng/h after 1 year, p<0.05 between indicators without the use of the peptide and with the use of the peptide IPH EP. A similar trend towards the level of endogenous melatonin approaching the lower boundaries of normal values was observed in other age groups, but with a lesser tendency in patients who did not use the peptide IPH EP, and a significant positive trend in increasing the level of endogenous melatonin by 39.2-48.9% after the use of the peptide IPH EP in all age groups.

Protein p53 controls the course of cellular cycle processes and the absence of damages in the genome that could lead to further pathology development. Protein p53 is activated only when the cell is subjected to various stresses, such as telomere loss, DNA damage, oncogene activation, and oxidative stress, leading to premature aging. Thus, p53 is a factor that initiates the transcription of a group of genes and is activated when DNA damage accumulates. In the absence of genetic apparatus damage, the p53 protein remains inactive. The function of the p53 protein is to remove from the replicating cell pool those cells that are potentially oncogenic.

Therefore, we studied the expression of the p53 protein after the use of the peptide IPH EP. The data are presented in Figure 2.

During the experiment, it was proven that the use of the peptide IPH EP increases the expression of the oncosuppressor protein p53 by 61.9%, as shown in the microscopy results in Figure 2. These data indicate the high oncoprotective and antioxidant function of the peptide IPH EP concerning the entire organism.

Figure 2. Expression of p53 protein (green fluorescent glow, microscopy, 400×350)

A – without the use of the peptide, B – with the use of the peptide IPH EP.

Biological age and aging markers as regulators of the reserve capabilities and functionality of the organism in terms of controlling the level of melatonin

To determine biological age as a regulator of reserve capabilities and functionality of the organism in terms of controlling the level of melatonin, we tested the levels of aging markers protein sirtuin Sir2, which are involved in gene regulation and prevent DNA damage, and protein 16INK4a, which is a biological marker of the onset of carcinogenesis – its increased expression is observed in precancerous changes and varies with age (Figure 2), in the buccal epithelium of patients of different ages (group of patients without the use of the peptide IPH EP – from 35 to 55 years: average age 43.4±1.2 years, group of patients without the use of the peptide IPH EP – from 35 to 55 years: average age 43.4±1.2 years,), data are presented in Table 2.

The use of the peptide IPH EP contributes to the restoration of the level of sirtuin aging proteins, which amounted to 477.7±1.2 U after 3 months, 585.6±1.2 U after 3 months, and maximally close to positive results – 679.7±1.3 U after 1 year, p<0.05 between indicators without the use of the peptide and with the use of the peptide IPH EP. The use of the peptide IPH EP contributes to the reduction of the expression area of mRNA p16INK4a, which amounted to 4.9±0.5% after 3 months, 2.2±0.6% after 3 months, and maximally close to positive results – 0.9±0.01% after 1 year, p<0.05 between indicators without the use of the peptide and with the use of the peptide IPH EP. A similar trend towards regulating the reserve capabilities and functionality of the organism proves a significant positive trend in increasing the body’s reserve forces by 49.1-57.2% after the use of the peptide IPH EP in the long term.

Table 2 The level of expression of aging markers (sirtuins Sir2 and p16INK4a) depending on the use of the peptide IPH EP in the long term

ging Markers 3 Months Without IPH EP 3 Months With IPH EP 6 Months Without IPH EP 6 Months With IPH EP 1 Year Without IPH EP 1 Year With IPH EP
Sir2 Protein Level (units) 287.7±1.2 477.7±1.2* 286.3±1.4 585.6±1.2* 276.2±1.2 679.7±1.3*
mRNA p16INK4a Expression Area (%) 9.1±0.7 4.9±0.5* 7.9±0.8 2.2±0.6* 7.2±0.5 0.9±0.01*

*p<0.05 between indicators without the use of the peptide and with the use of the peptide IPH EP.

Figure 3. Age-dependent expression of mRNA p16INK4a [8]

To confirm this hypothesis, we constructed a detailed curve of the dynamics of mRNA p16INK4a expression (%) depending on the time of use of the peptide IPH EP at a dosage of 100 mcg as effective and optimal for this peptide (Figure 4).

Figure 4. Expression of mRNA p16INK4a (%) depending on the time of use of the peptide IPH EP at a dosage of 100 mcg as effective and optimal for this peptide

Legend:

On the X-axis – time intervals (days);

On the Y-axis – the area of expression of mRNA p16INK4a (%).

The dynamics of the expression area of mRNA p16INK4a significantly decreased in a geometric progression 90 days after the use of the peptide IPH EP, confirming the oncoprotective and anti-aging action of the studied peptide.

Additionally, we conducted a comparative analysis of the expression of the aging protein Sir2 in microscopy in patients before the use of the peptide IPH EP and 3 months after the use of the peptide IPH EP (Figure 5).

Figure 5. Expression of sirtuin protein (red fluorescent glow of nuclei, microscopy, 400×350, 3D modeling).

A – before the use of the peptide,

B – 3 months after the use of the peptide IPH EP.

The obtained data confirm the fact that the use of the peptide IPH EP contributes to the slowing down of aging processes by 39.8%, increasing biological age, and acts as a regulator of reserve capabilities and functionality of the organism, which is confirmation of possessing high anti-aging function, oncoprotective function, and a high ability to increase the reserve resilience of the organism after the use of the peptide IPH EP in the long term.

Clinical impact of the peptide IPH EP as a regulator of reserve capabilities and functionality of the organism in terms of controlling the level of melatonin

Serotonin – the hormone of joy, mood, stable psycho-emotional state. Through certain biochemical reactions, the hormone melatonin is formed from serotonin. Therefore, the pineal gland’s influence on mood, anxiety-depressive disorders is direct.

Figure 6. Biochemical reactions of the synthesis of the hormone melatonin from serotonin

The clinical impact of the peptide IPH EP as a regulator of reserve capabilities and functionality of the organism in terms of controlling the level of melatonin was studied by us from a clinical point of view in terms of anxiety level in patients of different ages (35-49 years: average age: 39.9±1.2 years, n=42 people).

Using the personal scale of the Spielberger-Hanin test, we found that before the start of the study, there was a significantly higher level of anxiety due to the personal component compared to patients after the use of the peptide IPH EP 3 months later – 52.3+1.9 points (high anxiety) and 33.2+1.5 points (borderline value between low and medium anxiety), respectively, and a significant reduction was also noted 6 months later to normal values bordering between mild anxiety and absence (Figure 7).

*p<0.05 between indicators compared to indicators before the start of the study.

Figure 7. Anxiety level (points, M±m)

The obtained data confirm the fact that the use of the peptide IPH EP contributes to a reduction in the level of anxiety by 58.9%, confirming its clinical efficacy as a regulator of reserve capabilities and functionality of the organism.

Further, an assessment was made of the psychological and physical components of the quality of life and the impact of the use of the peptide IPH EP on the functionality of the organism.

Before the start of the study, attention was drawn to the low indicators of mental and emotional health components, which reduces the psychological component of health and is likely related to the high level of anxiety and reduced level of melatonin in the studied patients (Figure 8).

Figure 8. Dynamics of physical and psychological components of the quality of life (points, M±m)

However, the subsequently obtained data confirm the fact that the use of the peptide IPH EP contributes to an improvement in the quality of life by 53.2% from the psychological component and by 39.7% from the physical component, confirming the fact that the peptide IPH EP acts as a regulator of reserve capabilities and functionality of the organism, possesses a high ability to reduce anxiety and improve the psychological component of the quality of life in the long term.

Conclusions

  1. A general trend towards the level of endogenous melatonin reaching the lower boundaries of normal values was observed in all age groups, with a significant and clear positive trend of a 39.2-48.9% increase in the level of endogenous melatonin after the application of the peptide IPH EP across all age groups.
  2. The use of the peptide IPH EP increases the expression of the tumor suppressor protein p53 by 61.9%, indicating the high oncoprotective and antioxidant function of the peptide IPH EP concerning the entire organism.
  3. The application of the peptide IPH EP contributes to the restoration of the level of sirtuin aging proteins production, which amounted to 477.7±1.2 units after 3 months, 585.6±1.2 units after 3 months, and maximally close to positive results – 679.7±1.3 units after 1 year.
  4. The use of the peptide IPH EP leads to a reduction in the expression area of mRNA p16INK4a, which was 4.9±0.5% after 3 months, 2.2±0.6% after 3 months, and maximally close to positive results – 0.9±0.01% after 1 year. This trend towards regulating the reserve capabilities and functionality of the organism demonstrates a significant and unequivocal positive trend in increasing the body’s reserve forces by 49.1-57.2% after the application of the peptide IPH EP in the long term.
  5. The application of the peptide IPH EP contributes to slowing down the aging processes by 39.8%, increasing biological age, and acts as a regulator of reserve capabilities and functionality of the organism. This confirms the possession of high anti-aging function, oncoprotective function, and high ability to enhance the reserve resilience of the organism after the application of the peptide IPH EP in the long term.
  6. The use of the peptide IPH EP leads to a reduction in anxiety levels by 58.9%, confirming its clinical efficacy as a regulator of reserve capabilities and functionality of the organism.
  7. The application of the peptide IPH EP contributes to an improvement in the quality of life by 53.2% from the psychological component and by 39.7% from the physical component, confirming that the peptide IPH EP acts as a regulator of reserve capabilities and functionality of the organism. It possesses a high ability to reduce anxiety and improve the psychological component of the quality of life in the long term.

References

  1. Vasey C., McBride J., Penta K. Circadian Rhythm Dysregulation and Restoration: The Role of Melatonin. Nutrients. 2021;13(10):3480.
  2. Ilnickii A.N., Prashchayeu K.I. Neujazvimye. Kniga o zdorov’e [Invulnerable. The book about health]. M.: Diskurs [Discourse]; 2021. 336 p.
  3. Chitimus D.M., Popescu M.R., Voiculescu S.E. et al. Melatonin’s Impact on Antioxidative and Anti-Inflammatory Reprogramming in Homeostasis and Disease. Biomolecules. 2020;10(9):1211.
  4. Olcese J.M. Melatonin and Female Reproduction: An Expanding Universe. Front Endocrinol (Lausanne). 2020;11:85.
  5. Tong Z., Yang X., Li J. Research progress on the mechanism of interleukin-1β on epiphyseal plate chondrocytes. Eur J Med Res. 2022;27(1):313.
  6. Tharakan S.J., Lee R.J., White A.M., Lawrence J.T. Distal Humeral Epiphyseal Separation in a Newborn. Orthopedics. 2016;39(4):764-767.
  7. Havinson V.H., Lin’kova N.S., Kvetnoj I.M. et al. Molekuljarno-kletochnye mehanizmy peptidnoj reguljacii sinteza melatonina v kul’ture pinelocitov [Molecular and cellular mechanisms of peptide regulation of melatonin synthesis in pinealocyte culture]. Byulleten’ eksperimental’noj biologii i mediciny [Bulletin of Experimental Biology and Medicine]. 2012; 153 (2):223–226. 8. Trofimova S.V., Lin’kova S.N., Klimenko A.A. et al. Pineamin povyshaet sintez melatonina v jepifize u lic pozhilogo vozrasta [Pineamin increased pineal melatonin synthesis in elderly people]. Uspehi gerontolii [Advances in Gerontology]. 2017; 30(3):422–426.

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