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EVALUATION OF THE EFFECTIVENESS OF THE PEPTIDE COMPOSITION OF
THE CALIFORNIAN WORM EXTRACT ON THE IMMUNE SYSTEM
Saidov Shokhrullo Sharofullaevich,
Abdikarimova Shakhnoza Khuzhakulovna,
Sheralieva Shakhodat Khamraevna,
Ergasheva Mamura Bahodirovna,
Chultanova Aziza Abdullaevna
TMA Termez branch of the Department of Medical Biology and Histology
Annotation:
Modern biotechnology is actively exploring natural biologically active
compounds, such as peptides, to develop effective means of strengthening the immune
system. One promising source of such compounds is the extract of the Californian worm
(Lumbricus rubellus), which has a unique composition of peptides. This article discusses the
main methods for assessing its effect on the immune system, including in vitro and in vivo
studies.
Keywords:
Californian worm extract, peptides, immune system, immunomodulation,
cytokines. In this version, the text became more natural, but at the same time retained
scientific accuracy. If you need to change something else - style, level of formality or
structure - tell me, and I will help to improve it.
Introduction
The immune system plays a key role in protecting the div from pathogens, tumor cells and
toxins. One of the pressing challenges of modern medicine is the search for natural
immunomodulators that are highly effective and have minimal risk of side effects.
Californian worm extract, which contains biologically active peptides, is a promising
candidate for study due to its antioxidant, anti-inflammatory and regenerative properties.
Materials and methods
1. Preparation of the peptide composition
The Californian worm extract is obtained by water-alcohol extraction followed by
purification using ultrafiltration. High-performance liquid chromatography (HPLC) is used
to separate the peptide fractions.
2. In vitro studies
The following methods were used to evaluate the effect of the extract on immune cells:
Cell lines: macrophages (RAW 264.7), T and B lymphocytes, and spleen cells.
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Methods of analysis:
Cell proliferation was determined using the MTT test.
Cytokine production – IL-6, IL-1β and TNF-α levels were measured by enzyme-linked
immunosorbent assay (ELISA).
Phagocytic activity was assessed by the absorption of latex microparticles or bacterial
antigens.
3. In vivo studies
Experiments were conducted on laboratory mice and rats to evaluate the immunomodulatory
properties of the extract.
Key indicators:
Changes in the mass of immune organs (thymus, spleen). The number of T- and B-
lymphocytes in the peripheral blood (flow cytometry method). Models of
immunosuppression: Cyclophosphamide was used to model immune suppression.
Restoration of immune functions served as a criterion for the effectiveness of peptides.
Results and discussion
The results of the studies showed that the peptide extract of the Californian worm has a
pronounced immunomodulatory activity: Stimulates the proliferation of immunocompetent
cells, especially T-lymphocytes. Enhances the production of anti-inflammatory cytokines,
such as IFN-γ. Activates the phagocytic activity of macrophages, which confirms its
modulating effect. In animal studies, an increase in the mass of the thymus and spleen was
observed, indicating an increase in the immune response. Thus, the data obtained indicate
the prospects of using the Californian worm extract as a natural immunomodulator.
Conclusion
The peptide composition of the Californian worm extract has significant potential as an
immunomodulatory agent. Further studies, including clinical trials, are needed to clarify the
optimal dosage and assess the safety of its use in humans.
Sources used:
1.
Levinskaya, A. A., Kuznetsov, I. V. "Peptides as Promising Biologically Active
Substances." Biotechnology, 2020, No. 5, pp. 23-31.
2.
Li, X., Liu, S., Fang, Q., et al. "Immunomodulatory effects of peptides derived from
earthworm extract on macrophages." Journal of Ethnopharmacology, 2019, Vol. 236, pp.
205-212.
3.
Kuzmin, N. S., Ivanova, E. P. "Immunomodulatory properties of natural
compounds." Medical Immunology, 2021, Vol. 23, No. 2, pp. 103-112.
