Original ArticleOpen Access

Measurements of p53 Isoform Protein Concentration and Energetic Levels in Cells of CLL Using Enzymatic Methods

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DOI: 10.23958/ijirms/vol10-i05/2073· Pages: 179 - 185· Vol. 10, No. 05, (2025)· Published: May 11, 2025
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Abstract

Background/Objectives: Aim of this works of researches proposed the detection of the isoform p53 protein in the patients with Chronic Lymphocytic Leukemia of type B, (CLL-B), performed using the quantitative sandwich Enzyme linked immunoassay ELISA for the direct detection of the p53 isoform protein, a product of the mutant P53 gene. Methods: Additionally, the cellular energy levels, particularly in CLL-B, were measured using a bioluminescence method. The study employed a quantitative sandwich ELISA method for the direct detection of the p53 isoform protein, a product of the mutant P53 gene Adenosine triphosphate, (ATP), was measured using the standard bioluminescence principle on an automatic LKB analyzer with an ATP monitoring reagent. Results: The presence of isoform p53 protein in the studied group was calculated at 17%. Unfavorable evolution and transformation of CLL into Diffuse Large B-Cell Lymphoma (DLBCL) were observed in 3.5% of the cases. In such as malignant diseases, increased ATP values were observed in Chronic Lymphatic Leukemia in values of 4.30-4.55 μM ATP, (Normal energy in B Cells: x̄ = 0.35 μM ATP, (SD = 0.42). Conclusion: Maturation state of the clonal tumor and the prognosis of patients with CLL depend on anaerobic metabolism and the expression of the p53 protein isoform.

Keywords

chronic lymphocytic leukemiaP53 geneisoform p53 proteinCD-5 receptorDiffuse Large Lymphomaadenosine triphosphate

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Author details
Aurelian Udristioiu
Faculty of Medicine, General Medical Care, Titu Maiorescu University of Bucharest, Târgu Jiu, Romania.
✉ Corresponding Author
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Alexandru Giubelan
Faculty of Medicine, General Medical Care, Titu Maiorescu University of Bucharest, Târgu Jiu, Romania.
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Ana Velcea
Faculty of Medicine, General Medical Care, Titu Maiorescu University of Bucharest, Târgu Jiu, Romania.
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Liviu Martin
Faculty of Medicine, General Medical Care, Titu Maiorescu University of Bucharest, Târgu Jiu, Romania.
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Manole Cojocaru
Faculty of Medicine, Romanian Academy of Scientist, Titu Maiorescu University of Bucharest, Romania.
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Ioan-Ovidiu Gheorghe
Faculty of Medical Science and Behaviour, Constantin Brâncuși University, Târgu Jiu, Romania.
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