Supernatants from Newly Isolated <i>Lacticaseibacillus paracasei</i> P4 Ameliorate Adipocyte Metabolism in Differentiated 3T3-L1 Cells

<b>Background:</b> <i>Lacticaseibacillus paracasei</i> (<i>L. paracasei</i>) strains and their postbiotics show potential for managing metabolic disorders such as diabetes and obesity. Two newly isolated <i>L. paracasei</i> strains, M2.1 and P4, were y...

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Main Authors: Natalia Grigorova, Zhenya Ivanova, Valeria Petrova, Ekaterina Vachkova, Georgi Beev
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Biomedicines
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Online Access:https://www.mdpi.com/2227-9059/12/12/2785
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author Natalia Grigorova
Zhenya Ivanova
Valeria Petrova
Ekaterina Vachkova
Georgi Beev
author_facet Natalia Grigorova
Zhenya Ivanova
Valeria Petrova
Ekaterina Vachkova
Georgi Beev
author_sort Natalia Grigorova
collection DOAJ
description <b>Background:</b> <i>Lacticaseibacillus paracasei</i> (<i>L. paracasei</i>) strains and their postbiotics show potential for managing metabolic disorders such as diabetes and obesity. Two newly isolated <i>L. paracasei</i> strains, M2.1 and P4, were yielded from <i>Formica rufa</i> anthills in Sinite Kamani National Park, Bulgaria. Their metabolic effects on mature 3T3-L1 adipocytes were investigated. <b>Methods:</b> Mature 3T3-L1 adipocytes were treated for 24 h with 10% (<i>v</i>/<i>v</i>) cell-free supernatants (CFSs) of M2.1 or P4. Two experimental (M2.1, P4) and two control groups (mature, untreated adipocytes and mature adipocytes, treated with 10% (<i>v</i>/<i>v</i>) MRS broth) were analyzed for intracellular lipid accumulation, glucose uptake, and the mRNA expression of lipid metabolism and beta-oxidation-related genes. Fold changes in gene expression were assessed using RT-qPCR. <b>Results:</b> Both M2.1 and P4 CFSs enhanced glucose uptake by over 30% compared to the control. P4 demonstrated a more favorable effect by significantly upregulating adipose triglyceride lipase–patatin-like phospholipase domain containing 2, adiponectin, and peroxisomal beta-oxidation enzymes—acyl-coenzyme A oxidase 1, palmitoyl. Intracellular lipid accumulation increased only with M2.1, while P4 supported improved lipid turnover without promoting excessive lipid storage or lipolysis. <b>Conclusions:</b> P4 CFS exhibits the potential to improve adipocyte metabolism by enhancing glucose uptake, promoting beta-oxidation, and increasing adiponectin expression, offering a promising strategy for managing metabolic dysfunctions.
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spelling doaj-art-e7cd92949a0d4a1196e03218ece8530b2025-08-20T02:00:54ZengMDPI AGBiomedicines2227-90592024-12-011212278510.3390/biomedicines12122785Supernatants from Newly Isolated <i>Lacticaseibacillus paracasei</i> P4 Ameliorate Adipocyte Metabolism in Differentiated 3T3-L1 CellsNatalia Grigorova0Zhenya Ivanova1Valeria Petrova2Ekaterina Vachkova3Georgi Beev4Department of Pharmacology, Animal Physiology, Biochemistry and Chemistry, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, BulgariaDepartment of Pharmacology, Animal Physiology, Biochemistry and Chemistry, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, BulgariaDepartment of Pharmacology, Animal Physiology, Biochemistry and Chemistry, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, BulgariaDepartment of Pharmacology, Animal Physiology, Biochemistry and Chemistry, Faculty of Veterinary Medicine, Trakia University, 6000 Stara Zagora, BulgariaDepartment of Biochemistry, Microbiology and Physics, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria<b>Background:</b> <i>Lacticaseibacillus paracasei</i> (<i>L. paracasei</i>) strains and their postbiotics show potential for managing metabolic disorders such as diabetes and obesity. Two newly isolated <i>L. paracasei</i> strains, M2.1 and P4, were yielded from <i>Formica rufa</i> anthills in Sinite Kamani National Park, Bulgaria. Their metabolic effects on mature 3T3-L1 adipocytes were investigated. <b>Methods:</b> Mature 3T3-L1 adipocytes were treated for 24 h with 10% (<i>v</i>/<i>v</i>) cell-free supernatants (CFSs) of M2.1 or P4. Two experimental (M2.1, P4) and two control groups (mature, untreated adipocytes and mature adipocytes, treated with 10% (<i>v</i>/<i>v</i>) MRS broth) were analyzed for intracellular lipid accumulation, glucose uptake, and the mRNA expression of lipid metabolism and beta-oxidation-related genes. Fold changes in gene expression were assessed using RT-qPCR. <b>Results:</b> Both M2.1 and P4 CFSs enhanced glucose uptake by over 30% compared to the control. P4 demonstrated a more favorable effect by significantly upregulating adipose triglyceride lipase–patatin-like phospholipase domain containing 2, adiponectin, and peroxisomal beta-oxidation enzymes—acyl-coenzyme A oxidase 1, palmitoyl. Intracellular lipid accumulation increased only with M2.1, while P4 supported improved lipid turnover without promoting excessive lipid storage or lipolysis. <b>Conclusions:</b> P4 CFS exhibits the potential to improve adipocyte metabolism by enhancing glucose uptake, promoting beta-oxidation, and increasing adiponectin expression, offering a promising strategy for managing metabolic dysfunctions.https://www.mdpi.com/2227-9059/12/12/2785<i>Lacticaseibacillus paracasei</i> P4 and M2.1 strainspostbioticsadipocyte metabolismglucose uptakebeta-oxidationadiponectin
spellingShingle Natalia Grigorova
Zhenya Ivanova
Valeria Petrova
Ekaterina Vachkova
Georgi Beev
Supernatants from Newly Isolated <i>Lacticaseibacillus paracasei</i> P4 Ameliorate Adipocyte Metabolism in Differentiated 3T3-L1 Cells
Biomedicines
<i>Lacticaseibacillus paracasei</i> P4 and M2.1 strains
postbiotics
adipocyte metabolism
glucose uptake
beta-oxidation
adiponectin
title Supernatants from Newly Isolated <i>Lacticaseibacillus paracasei</i> P4 Ameliorate Adipocyte Metabolism in Differentiated 3T3-L1 Cells
title_full Supernatants from Newly Isolated <i>Lacticaseibacillus paracasei</i> P4 Ameliorate Adipocyte Metabolism in Differentiated 3T3-L1 Cells
title_fullStr Supernatants from Newly Isolated <i>Lacticaseibacillus paracasei</i> P4 Ameliorate Adipocyte Metabolism in Differentiated 3T3-L1 Cells
title_full_unstemmed Supernatants from Newly Isolated <i>Lacticaseibacillus paracasei</i> P4 Ameliorate Adipocyte Metabolism in Differentiated 3T3-L1 Cells
title_short Supernatants from Newly Isolated <i>Lacticaseibacillus paracasei</i> P4 Ameliorate Adipocyte Metabolism in Differentiated 3T3-L1 Cells
title_sort supernatants from newly isolated i lacticaseibacillus paracasei i p4 ameliorate adipocyte metabolism in differentiated 3t3 l1 cells
topic <i>Lacticaseibacillus paracasei</i> P4 and M2.1 strains
postbiotics
adipocyte metabolism
glucose uptake
beta-oxidation
adiponectin
url https://www.mdpi.com/2227-9059/12/12/2785
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