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Kim JH, Kwak W, Nam Y, Baek J, Lee Y, Yoon S, Kim W. Effect of postbiotic Lactiplantibacillus plantarum LRCC5314 supplemented in powdered milk on type 2 diabetes in mice. J Dairy Sci 2024; 107:5301-5315. [PMID: 38554828 DOI: 10.3168/jds.2023-24103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 02/20/2024] [Indexed: 04/02/2024]
Abstract
Type 2 diabetes (T2D) is a chronic multifactorial disease characterized by a combination of insulin resistance and impaired glucose regulation. The alleviative effects of probiotics on T2D have been widely studied. However, studies on the effects of postbiotics, known as inactivated probiotics, on dairy products are limited. This study aimed to evaluate the effectiveness of postbiotic Lactiplantibacillus plantarum LRCC5314 in milk powder (MP-LRCC5314) in a stress-induced T2D (stress-T2D) mouse model. Compared with probiotic MP-LRCC5314, postbiotic MP-LRCC5314 significantly influenced stress-T2D-related factors. The administration of heat-killed MP-LRCC5314 reduced corticosterone levels, increased short-chain fatty acid production by modulating gut microbiota, and regulated immune response, glucose metabolism, stress-T2D-related biomarkers in the brain, gut, and adipose tissues, as well as glucose and insulin sensitivity. In addition, heat-killed MP-LRCC5314 treatment led to a decrease in pro-inflammatory cytokine levels and an increase in anti-inflammatory cytokine levels. Overall, these findings suggest that adding postbiotic MP-LRCC5314 to milk powder could serve as a potential supplement for stress-T2D mitigation.
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Affiliation(s)
- J-H Kim
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea
| | - W Kwak
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea; Lotte R&D Center, Seoul 07594, Republic of Korea
| | - Y Nam
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea; LuxBiome Co. Ltd., Seoul 06974, Republic of Korea
| | - J Baek
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea
| | - Y Lee
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea
| | - S Yoon
- Lotte R&D Center, Seoul 07594, Republic of Korea
| | - W Kim
- Department of Microbiology, Chung-Ang University College of Medicine, Seoul 06974, Republic of Korea; LuxBiome Co. Ltd., Seoul 06974, Republic of Korea.
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2
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Makioka-Itaya Y, Inoue R, Tsukahara T. Dysfunction of the Murine Liver with Aging and Its Improvement with the Continuous Consumption of Enterococcus faecalis EC-12. Nutrients 2024; 16:2031. [PMID: 38999780 PMCID: PMC11243158 DOI: 10.3390/nu16132031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 06/17/2024] [Accepted: 06/21/2024] [Indexed: 07/14/2024] Open
Abstract
Chronic inflammation is involved in the development of age-related diseases. Given its persistence, controlling chronic inflammation is essential for preventing age-related diseases. In this study, we investigated the effects of Enterococcus faecalis EC-12 (EC-12), which has immunomodulatory and antioxidant effects, on liver gene expression and aging phenomena in mice. Short-term EC-12 administration stimulated the expression of genes involved in lipid synthesis and metabolism in the liver. Furthermore, long-term EC-12 administration from 10 weeks to 1.5 years of age resulted in significant increases in blood interleukin (IL)-6 and IL-10 concentrations (both p < 0.05) and a significant decrease in the monocyte chemotactic protein-1 concentration (p < 0.05). These results indicated pathologic improvement, such as suppression of fat degeneration in the liver. These results suggest that continuous EC-12 intake from a young age can suppress liver function abnormalities, which is one of the aging phenomena in old age, and contribute to health in old age.
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Affiliation(s)
| | - Ryo Inoue
- Laboratory of Animal Science, Department of Applied Biological Sciences, Setsunan University, Hirakata 573-0101, Japan;
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Aljohani A, Rashwan N, Vasani S, Alkhawashki A, Wu TT, Lu X, Castillo DA, Xiao J. The Health Benefits of Probiotic Lactiplantibacillus plantarum: A Systematic Review and Meta-Analysis. Probiotics Antimicrob Proteins 2024:10.1007/s12602-024-10287-3. [PMID: 38816672 DOI: 10.1007/s12602-024-10287-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2024] [Indexed: 06/01/2024]
Abstract
To ensure effective administration of probiotics in clinical practice, it is crucial to comprehend the specific strains and their association with human health. Therefore, we conducted a systematic review and meta-analysis to evaluate the scientific evidence on the impact of Lactiplantibacillus plantarum probiotic consumption on human health. Out of 11,831 records, 135 studies were assessed qualitatively, and 18 studies were included in the meta-analysis. This systematic review demonstrated that probiotic supplementation with L. plantarum, either alone or in combination, can significantly improve outcomes for patients with specific medical conditions. Meta-analysis revealed notable benefits in periodontal health, evidenced by reduced pocket depth and bleeding on probing (p < 0.001); in gastroenterological health, marked by significant reductions in abdominal pain (p < 0.001); and in infectious disease, through a reduction in C-reactive protein levels (p < 0.001). Cardiovascular benefits included lowered total cholesterol and low-density lipoprotein cholesterol in the L. plantarum intervention group (p < 0.05). Our study's clinical significance highlights the importance of considering probiotic strain and their application to specific diseases when planning future studies and clinical interventions, emphasizing the need for further research in this area.
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Affiliation(s)
- Amal Aljohani
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, USA
| | - Noha Rashwan
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, USA
| | - Shruti Vasani
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, USA
| | - Ahmed Alkhawashki
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, USA
- Pediatrics, King Fahd Medical City, Riyadh, Saudi Arabia
| | - Tong Tong Wu
- Department of Biostatistics and Computational Biology, University of Rochester Medical Center, Rochester, USA
| | - Xingyi Lu
- Department of Biostatistics and Computational Biology, University of Rochester Medical Center, Rochester, USA
| | - Daniel A Castillo
- Miner Library, University of Rochester Medical Center, Rochester, NY, USA
| | - Jin Xiao
- Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, NY, USA.
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Watanabe M, Nakai H, Ohara T, Kawasaki K, Murosaki S, Hirose Y. Beneficial effect of heat-killed Lactiplantibacillus plantarum L-137 on intestinal barrier function of rat small intestinal epithelial cells. Sci Rep 2024; 14:12319. [PMID: 38811623 PMCID: PMC11136994 DOI: 10.1038/s41598-024-62657-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 05/20/2024] [Indexed: 05/31/2024] Open
Abstract
Heat-killed Lactiplantibacillus plantarum L-137 (HK L-137) has been suggested to enhance the intestinal barrier in obese mice, leading to improvement of metabolic abnormalities and adipose tissue inflammation, and in healthy humans with overweight, leading to improvement of systemic inflammation. However, its detailed mechanism of action has not been clarified. Therefore, this study investigated the effects of HK L-137 on the permeability of rat small intestinal epithelial IEC-6 cells, tight junction-related gene and protein expression and localization, and intracellular signaling pathways involved in barrier function. Treatment of IEC-6 cells with HK L-137 for 26 h significantly reduced the permeability to fluorescein isothiocyanate-dextran (FD-4). HK L-137 also increased gene and protein expression of zonula occludens-1 (ZO-1), an important tight junction protein, without affecting the localization. Furthermore, inhibition of the extracellular signal-regulated kinase (ERK)1/2 pathway in IEC-6 cells canceled the HK L-137-related reduction in permeability to FD-4. Phosphorylation of ERK in IEC-6 cells was induced 15 min after the addition of HK L-137. These results suggest that HK L-137 reduces intestinal permeability partly through activating the ERK pathway and increasing expression of the ZO-1 gene and protein. Enhancement of intestinal barrier function with HK L-137 might be effective in preventing and treating leaky gut, for which no specific therapeutic tool has been established.
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Affiliation(s)
- Mototsugu Watanabe
- Research & Development Institute, House Wellness Foods Corporation, 3-20 Imoji, Itami, Hyogo, 664-0011, Japan.
| | - Hiroko Nakai
- Research & Development Institute, House Wellness Foods Corporation, 3-20 Imoji, Itami, Hyogo, 664-0011, Japan
| | - Tatsuya Ohara
- Research & Development Institute, House Wellness Foods Corporation, 3-20 Imoji, Itami, Hyogo, 664-0011, Japan
| | - Kengo Kawasaki
- Research & Development Institute, House Wellness Foods Corporation, 3-20 Imoji, Itami, Hyogo, 664-0011, Japan
| | - Shinji Murosaki
- Research & Development Institute, House Wellness Foods Corporation, 3-20 Imoji, Itami, Hyogo, 664-0011, Japan
| | - Yoshitaka Hirose
- Research & Development Institute, House Wellness Foods Corporation, 3-20 Imoji, Itami, Hyogo, 664-0011, Japan
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Tanaka Y, Inaba C, Sawa T, Endo K, Saiki T, Haga H, Niitsuma F, Kawahara T, Watanabe J, Tanaka S. Heat-killed Lactiplantibacillus plantarum Shinshu N-07 exerts antiobesity effects in western diet-induced obese mice. J Appl Microbiol 2024; 135:lxae119. [PMID: 38740521 DOI: 10.1093/jambio/lxae119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 03/19/2024] [Accepted: 05/12/2024] [Indexed: 05/16/2024]
Abstract
AIMS The aim of this study was to evaluate the antiobesity effects of heat-killed Lactiplantibacillus plantarum Shinshu N-07 (N-07) isolated from fermented Brassica rapa L. METHODS AND RESULTS Male mice were divided into three groups (n = 10/group); normal diet, western diet (WD), or WD + N-07 (N-07) group and administered each diet for 56 days. The N-07 group showed significant suppression of body weight gain and epididymal fat, perirenal fat, and liver weights compared with the WD group. Higher levels of fecal total cholesterol, triglyceride (TG), and free fatty acid (FFA) were observed in the N-07 group than in the WD group. The mRNA expression of the cholesterol transporter ATP-binding cassette transporter G5 (ABCG5) was significantly increased in the small intestine of N-07-fed mice compared with WD-fed mice. Moreover, N-07 supplementation significantly increased the mRNA expression of ABCG5 and ABCG8 in Caco-2 cells. Furthermore, the TG- and FFA-removal ability of N-07 was confirmed to evaluate its soybean oil- and oleic acid-binding capacities in in vitro experiments. CONCLUSIONS The antiobesity effects of N-07 might be due to its ability to promote lipid excretion by regulating cholesterol transporter expression and lipid-binding ability.
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MESH Headings
- Animals
- Male
- Mice
- Obesity/metabolism
- Diet, Western
- Humans
- ATP Binding Cassette Transporter, Subfamily G, Member 5/genetics
- ATP Binding Cassette Transporter, Subfamily G, Member 5/metabolism
- Anti-Obesity Agents/pharmacology
- Lactobacillus plantarum
- Mice, Obese
- ATP Binding Cassette Transporter, Subfamily G, Member 8/genetics
- ATP Binding Cassette Transporter, Subfamily G, Member 8/metabolism
- Cholesterol/metabolism
- Probiotics
- Caco-2 Cells
- Brassica rapa/chemistry
- Hot Temperature
- Lipoproteins/metabolism
- Triglycerides/metabolism
- Liver/metabolism
- Mice, Inbred C57BL
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Affiliation(s)
- Yuna Tanaka
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Chihiro Inaba
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Toko Sawa
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Katsunori Endo
- Division of Food Science and Biotechnology, Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Takeru Saiki
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Hazuki Haga
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Fumie Niitsuma
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Takeshi Kawahara
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
- Division of Food Science and Biotechnology, Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
| | - Jun Watanabe
- Department of Life and Food Sciences, Obihiro University of Agriculture and Veterinary Medicine, Obihiro 080-8555, Japan
| | - Sachi Tanaka
- Division of Food Science and Biotechnology, Department of Agriculture, Graduate School of Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
- Division of Food Science and Biotechnology, Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, Minami-minowa, Kami-ina, Nagano 399-4598, Japan
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Li Y, Aoki T, Iwabuchi S, Arai S, Iwabuchi N, Motobayashi H, Tanaka M, Hashimoto S. Immunomodulatory activity of heat-killed Lacticaseibacillus paracaseiMCC1849 based on the activation of plasmacytoid dendritic cells in the peripheral blood of healthy adults. Food Sci Nutr 2024; 12:3452-3460. [PMID: 38726445 PMCID: PMC11077237 DOI: 10.1002/fsn3.4009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 05/12/2024] Open
Abstract
Probiotics are widely used in food for their health benefits to the host. Inactivated probiotics also reportedly improve the intestinal environment and immune regulation. Our previous studies showed that heat-killed Lacticaseibacillus paracasei MCC1849 (hk-MCC1849) effectively induced IL-12 production in mouse spleen cells and significantly reduced cold symptoms in clinical trial subjects. To further elucidate the mechanism of host immune regulation by hk-MCC1849, human peripheral blood mononuclear cells (PBMCs) were cocultured with hk-MCC1849. The Toll-like receptor 9 ligands CpG-ODN 2216 and hk-MCC1849 and the heat-killed Lacticaseibacillus rhamnosus ATCC53103 were used as positive and negative controls, respectively. The results showed that, compared with the control, hk-MCC1849 significantly increased the expression of the plasmacytoid dendritic cell (pDC) marker CD86 (p < .0001) and the pDC marker HLA-DR (p < .001) in PBMCs. The expression levels of the IL-12p40, IFNα, IFNα1, IFNγ, and ISG15 genes were significantly increased after coculture with hk-MCC1849 (p < .05, p < .05, p < .05, p < .05, and p < .05, respectively, vs. control). Furthermore, to confirm whether hk-MCC1849 directly interacted with pDCs, DCs were enriched with PBMCs following 24 h of coculture with hk-MCC1849. Phagocytosis of fluorescently labeled hk-MCC1849 by pDCs was observed, and there were significant increases in CD86 (p < .05) and HLA-DR (p < .0001) expression in pDCs. These results suggest that hk-MCC1849 exerts a potential immunomodulatory effect on the host through the activation of peripheral pDCs.
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Affiliation(s)
- Yiran Li
- Innovative Research Institute, R&D Division, Morinaga Milk Industry Co., Ltd.ZamaKanagawaJapan
| | - Takahiro Aoki
- Innovative Research Institute, R&D Division, Morinaga Milk Industry Co., Ltd.ZamaKanagawaJapan
| | - Sadahiro Iwabuchi
- Department of Molecular PathophysiologyWakayama Medical UniversityWakayamaWakayamaJapan
| | - Satoshi Arai
- Innovative Research Institute, R&D Division, Morinaga Milk Industry Co., Ltd.ZamaKanagawaJapan
| | - Noriyuki Iwabuchi
- Innovative Research Institute, R&D Division, Morinaga Milk Industry Co., Ltd.ZamaKanagawaJapan
| | - Hideki Motobayashi
- Second Department of SurgeryWakayama Medical UniversityWakayamaWakayamaJapan
| | - Miyuki Tanaka
- Innovative Research Institute, R&D Division, Morinaga Milk Industry Co., Ltd.ZamaKanagawaJapan
| | - Shinichi Hashimoto
- Department of Molecular PathophysiologyWakayama Medical UniversityWakayamaWakayamaJapan
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Li L, Wang S, Zhang T, Lv B, Jin Y, Wang Y, Chen X, Li N, Han N, Wu Y, Yuan J. Walnut peptide alleviates obesity, inflammation and dyslipidemia in mice fed a high-fat diet by modulating the intestinal flora and metabolites. Front Immunol 2023; 14:1305656. [PMID: 38162665 PMCID: PMC10755907 DOI: 10.3389/fimmu.2023.1305656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 11/30/2023] [Indexed: 01/03/2024] Open
Abstract
Introduction Obesity is a chronic disease in which the body stores excess energy in the form of fat, and intestinal bacterial metabolism and inflammatory host phenotypes influence the development of obesity. Walnut peptide (WP) is a small molecule biopeptide, and the mechanism of action of WP against metabolic disorders has not been fully elucidated. In this study, we explored the potential intervention mechanism of WP on high-fat diet (HFD)-induced obesity through bioinformatics combined with animal experiments. Methods PPI networks of Amino acids and their metabolites in WP (AMWP) and "obesity" and "inflammation" diseases were searched and constructed by using the database, and their core targets were enriched and analyzed. Subsequently, Cytoscape software was used to construct the network diagram of the AMWP-core target-KEGG pathway and analyze the topological parameters. MOE2019.0102 was used to verify the molecular docking of core AMWP and core target. Subsequently, an obese Mice model induced by an HFD was established, and the effects of WP on obesity were verified by observing weight changes, glucose, and lipid metabolism levels, liver pathological changes, the size of adipocytes in groin adipose tissue, inflammatory infiltration of colon tissue, and intestinal microorganisms and their metabolites. Results The network pharmacology and molecular docking showed that glutathione oxide may be the main active component of AMWP, and its main targets may be EGFR, NOS3, MMP2, PLG, PTGS2, AR. Animal experiments showed that WP could reduce weight gain and improve glucose-lipid metabolism in HFD-induced obesity model mice, attenuate hepatic lesions reduce the size of adipocytes in inguinal adipose tissue, and reduce the inflammatory infiltration in colonic tissue. In addition, the abundance and diversity of intestinal flora were remodeled, reducing the phylum Firmicutes/Bacteroidetes (F/B) ratio, while the intestinal mucosal barrier was repaired, altering the content of short-chain fatty acids (SCFAs), and alleviating intestinal inflammation in HFD-fed mice. These results suggest that WP intervenes in HFD-induced obesity and dyslipidemia by repairing the intestinal microenvironment, regulating flora metabolism and anti-inflammation. Discussion Our findings suggest that WP intervenes in HFD-induced obesity and dyslipidemia by repairing the intestinal microenvironment, regulating flora metabolism, and exerting anti-inflammatory effects. Thus, WP may be a potential therapeutic strategy for preventing and treating metabolic diseases, and for alleviating the intestinal flora disorders induced by these diseases. This provides valuable insights for the development of WP therapies.
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Affiliation(s)
- Lei Li
- College of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Si Wang
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- First Clinical School of Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Tong Zhang
- College of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Bijun Lv
- College of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Yanling Jin
- College of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Yue Wang
- College of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Xiaojiao Chen
- College of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Ning Li
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- First Clinical School of Medicine, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Niping Han
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Yueying Wu
- College of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
| | - Jiali Yuan
- College of Basic Medical Sciences, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
- Yunnan Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Chronic Disease in Prevention and Treatment, Yunnan University of Chinese Medicine, Kunming, Yunnan, China
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Barouei J, Martinic A, Bendiks Z, Mishchuk D, Heeney D, Slupsky CM, Marco ML. Type 2-resistant starch and Lactiplantibacillus plantarum NCIMB 8826 result in additive and interactive effects in diet-induced obese mice. Nutr Res 2023; 118:12-28. [PMID: 37536013 DOI: 10.1016/j.nutres.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 08/05/2023]
Abstract
Little is known about how combining a probiotic with prebiotic dietary fiber affects the ability of either biotic to improve health. We hypothesized that prebiotic, high-amylose maize type 2-resistant starch (RS) together with probiotic Lactiplantibacillus plantarum NCIMB8826 (LP) as a complementary synbiotic results in additive effects on the gut microbiota in diet-induced obese mice and other body sites. Diet-induced obese C57BL/6J male mice were fed a high-fat diet adjusted to contain RS (20% by weight), LP (109 cells every 48 hours), or both (RS+LP) for 6 weeks. As found for mice fed RS, cecal bacterial alpha diversity was significantly reduced in mice given RS+LP compared with those fed LP and high-fat controls. Similarly, both RS+LP and RS also conferred lower quantities of cecal butyrate and serum histidine and higher ileal TLR2 transcript levels and adipose tissue interleukin-6 protein. As found for mice fed LP, RS+LP-fed mice had higher colonic tissue TH17 cytokines, reduced epididymal fat immune and oxidative stress responses, reduced serum carnitine levels, and increased transcript quantities of hepatic carnitine palmitoyl transferase 1α. Notably, compared with RS and LP consumed separately, there were also synergistic increases in colonic glucose and hepatic amino acids as well antagonistic effects of LP on RS-mediated increases in serum adiponectin and urinary toxin levels. Our findings show that it is not possible to fully predict outcomes of synbiotic applications based on findings of the probiotic or the prebiotic tested separately; therefore, studies should be conducted to test new synbiotic formulations.
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Affiliation(s)
- Javad Barouei
- Integrated Food Security Research Center, College of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, TX; Department of Food Science & Technology, University of California, Davis, CA
| | - Alice Martinic
- Department of Nutrition, University of California, Davis, CA
| | - Zach Bendiks
- Department of Food Science & Technology, University of California, Davis, CA
| | - Darya Mishchuk
- Department of Food Science & Technology, University of California, Davis, CA
| | - Dustin Heeney
- Department of Food Science & Technology, University of California, Davis, CA
| | - Carolyn M Slupsky
- Department of Food Science & Technology, University of California, Davis, CA; Department of Nutrition, University of California, Davis, CA
| | - Maria L Marco
- Department of Food Science & Technology, University of California, Davis, CA.
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9
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Li A, Han X, Liu L, Zhang G, Du P, Zhang C, Li C, Chen B. Dairy products and constituents: a review of their effects on obesity and related metabolic diseases. Crit Rev Food Sci Nutr 2023:1-21. [PMID: 37724572 DOI: 10.1080/10408398.2023.2257782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Obesity has become a global public health problem that seriously affects the quality of life. As an important part of human diet, dairy products contain a large number of nutrients that are essential for maintaining human health, such as proteins, peptides, lipids, vitamins, and minerals. A growing number of epidemiological investigations provide strong evidence on dairy interventions for weight loss in overweight/obese populations. Therefore, this paper outlines the relationship between the consumption of different dairy products and obesity and related metabolic diseases. In addition, we dive into the mechanisms related to the regulation of glucose and lipid metabolism by functional components in dairy products and the interaction with gut microbes. Lastly, the role of dairy products on obesity of children and adolescents is revisited. We conclude that whole dairy products exert more beneficial effect than single milk constituent on alleviating obesity and that dairy matrix has important implications for metabolic health.
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Affiliation(s)
- Aili Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Xueting Han
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Libo Liu
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Guofang Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Peng Du
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Chao Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
| | - Chun Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, Harbin, China
- Heilongjiang Green Food Research Institute, Harbin, China
| | - Bingcan Chen
- Department of Plant Sciences, North Dakota State University, Fargo, North Dakota, USA
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10
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Rezgui R, Walia R, Sharma J, Sidhu D, Alshagadali K, Ray Chaudhuri S, Saeed A, Dey P. Chemically Defined Lactobacillus plantarum Cell-Free Metabolites Demonstrate Cytoprotection in HepG2 Cells through Nrf2-Dependent Mechanism. Antioxidants (Basel) 2023; 12:antiox12040930. [PMID: 37107305 PMCID: PMC10136174 DOI: 10.3390/antiox12040930] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/06/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Centering around the concept that metabolites from the gut commensals can exert metabolic health benefits along the gut-liver axis, we tested whether the cell-free global metabolome of probiotic bacteria can exert hepatoprotective benefits against H2O2-induced oxidative stress. Cell-free global metabolites of Lactobacillus plantarum (LPM) were isolated and untargeted metabolomics was performed. The free radical scavenging potentials of LPM were measured. The cytoprotective effects of LPM were tested on HepG2 cells. A total of 66 diverse metabolites were identified in LPM, among which saturated fatty acids, amino acids and dicarboxylic acids were highly enriched. LPM attenuated cell damage, lipid peroxidation and the levels of intracellular cytoprotective enzymes in H2O2-treated cells. LPM also attenuated H2O2-induced increased expressions of TNF-α and IL-6. However, the cytoprotective effects of LPM were diminished in cells that were pretreated with a pharmacological inhibitor of Nrf2. Our data collectively indicate that LPM can significantly attenuate oxidative damage to HepG2 cells. However, the cytoprotective effects of LPM likely depend on an Nrf2-dependent mechanism.
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Affiliation(s)
- Raja Rezgui
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Hail, Hail 55473, Saudi Arabia
- Medical and Diagnostic Research Centre, University of Hail, Hail 55473, Saudi Arabia
| | - Ruhi Walia
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India
| | - Jyoti Sharma
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India
| | - Dwinder Sidhu
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India
| | - Khalid Alshagadali
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Hail, Hail 55473, Saudi Arabia
- Medical and Diagnostic Research Centre, University of Hail, Hail 55473, Saudi Arabia
| | - Saumya Ray Chaudhuri
- Council of Scientific and Industrial Research (CSIR), Institute of Microbial Technology, Chandigarh 160036, India
| | - Amir Saeed
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, University of Hail, Hail 55473, Saudi Arabia
- Medical and Diagnostic Research Centre, University of Hail, Hail 55473, Saudi Arabia
- Department of Medical Microbiology, Faculty of Medical Laboratory Sciences, University of Medical Sciences & Technology, Khartoum 12810, Sudan
| | - Priyankar Dey
- Department of Biotechnology, Thapar Institute of Engineering and Technology, Patiala 147004, Punjab, India
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11
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Rocha SDC, Lei P, Morales-Lange B, Mydland LT, Øverland M. From a cell model to a fish trial: Immunomodulatory effects of heat-killed Lactiplantibacillus plantarum as a functional ingredient in aquafeeds for salmonids. Front Immunol 2023; 14:1125702. [PMID: 36993984 PMCID: PMC10040762 DOI: 10.3389/fimmu.2023.1125702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/27/2023] [Indexed: 03/14/2023] Open
Abstract
Paraprobiotics (dead/inactivated probiotics) are promising candidates in functional feeds to promote growth performance, modulate intestinal microbiota and enhance immune response of fish. During industrial production, fish are exposed to several stressful conditions such as handling, sub-optimal nutrition and diseases that can lead to reduced growth, increased mortalities and large economical losses. Such problems can be mitigated by use of functional feeds, leading to more-sustainable aquaculture and improved animal welfare. Lactiplantibacillus plantarum strain L-137 is a common bacterium found in fermented Southeast Asian dish made from fish and rice. The benefits of its heat-killed form (HK L-137) related to growth performance and immunomodulation have been studied in farmed fish such as Nile Tilapia (Oreochromis niloticus), striped catfish (Pangasianodon hypophthalmus) and bighead catfish (Clarias macrocephalus). To study if such benefits can also be observed in salmonids, we worked both at in vitro level using an intestinal epithelium cell line from rainbow trout (Oncorhynchus mykiss; RTgutGC) stimulated with HK L-137 (Feed LP20™) and at in vivo level with pre-smolt Atlantic salmon (Salmo salar) fed HK L-137 at different inclusion levels (20, 100 and 500 mg of Feed LP20™ kg-1 feed). In RTgutGC, the results showed that the barrier function of the cell monolayer was strengthened along with an increased production of IL-1β and a decreased production of Anxa1, indicating a modulation of the immune response. Interestingly, a similar trend was detected at the in vivo level in distal intestine from fish fed the highest inclusion level of HK L-137. Here, a lower production of Anxa1 was also detected (after a 61-day feeding period) in addition to an increase of total plasma IgM in the same group. Furthermore, the RNA-seq analysis showed that HK L-137 was able to modulate the gene expression of pathways related to molecular function, biological process and cellular component in distal intestine, without compromising fish performance and gut microbiota. Taken together, our study has shown that HK L-137 can modulate physiological response of Atlantic salmon, making fish more robust against stressful conditions during production.
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12
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Zhong Y, Wang T, Luo R, Liu J, Jin R, Peng X. Recent advances and potentiality of postbiotics in the food industry: Composition, inactivation methods, current applications in metabolic syndrome, and future trends. Crit Rev Food Sci Nutr 2022; 64:5768-5792. [PMID: 36537328 DOI: 10.1080/10408398.2022.2158174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Postbiotics are defined as "preparation of inanimate microorganisms and/or their components that confers a health benefit on the host". Postbiotics have unique advantages over probiotics, such as stability, safety, and wide application. Although postbiotics are research hotspots, the research on them is still very limited. This review provides comprehensive information on the scope of postbiotics, the preparation methods of inanimate microorganisms, and the application and mechanisms of postbiotics in metabolic syndrome (MetS). Furthermore, the application trends of postbiotics in the food industry are reviewed. It was found that postbiotics mainly include inactivated microorganisms, microbial lysates, cell components, and metabolites. Thermal treatments are the main methods to prepare inanimate microorganisms as postbiotics, while non-thermal treatments, such as ionizing radiation, ultraviolet light, ultrasound, and supercritical CO2, show great potential in postbiotic preparation. Postbiotics could ameliorate MetS through multiple pathways including the modulation of gut microbiota, the enhancement of intestinal barrier, the regulation of inflammation and immunity, and the modulation of hormone homeostasis. Additionally, postbiotics have great potential in the food industry as functional food supplements, food quality improvers, and food preservatives. In addition, the SWOT analyses showed that the development of postbiotics in the food industry exists both opportunities and challenges.
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Affiliation(s)
- Yujie Zhong
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Tao Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
- Faculty of Food Science and Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, China
| | - Ruilin Luo
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Jiayu Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Ruyi Jin
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Xiaoli Peng
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
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13
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Vinderola G, Sanders ME, Salminen S, Szajewska H. Postbiotics: The concept and their use in healthy populations. Front Nutr 2022; 9:1002213. [PMID: 36570166 PMCID: PMC9780264 DOI: 10.3389/fnut.2022.1002213] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 11/25/2022] [Indexed: 12/13/2022] Open
Abstract
The term postbiotic was recently defined by an panel of scientists convened by the International Scientific Association of Probiotics and Prebiotics as "a preparation of inanimate microorganisms and/or their components that confers a health benefit on the host." This definition focused on the progenitor microbial cell or cell fragments, not just metabolites, proteins or carbohydrates they might produce. Although such microbe-produced constituents may be functional ingredients of the preparation, they are not required to be present in a postbiotic according to this definition. In this context, terms previously used such as paraprobiotics, ghostbiotics, heat-inactivated probiotics, non-viable probiotics, cell fragments or cell lysates, among others, align with the term postbiotics as conceived by this definition. The applications of postbiotics to infant nutrition and pediatric and adult gastroenterology, mainly, are under development. Some applications for skin health are also underway. As postbiotics are composed of inanimate microorganisms, they cannot colonize the host. However, they can in theory modify the composition or functions of the host microbiota, although evidence for this is scarce. Clinical results are promising, but, overall, there is limited evidence for postbiotics in healthy populations. For example, postbiotics have been studied in fermented infant formulas. The regulation of the term postbiotic is still in its infancy, as no government or international agency around the world has yet incorporated this term in their regulation.
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Affiliation(s)
- Gabriel Vinderola
- Instituto de Lactología Industrial (CONICET-UNL), Faculty of Chemical Engineering, National University of Litoral, Santa Fe, Argentina,*Correspondence: Gabriel Vinderola,
| | - Mary Ellen Sanders
- International Scientific Association for Probiotics and Prebiotics, Centennial, CO, United States
| | - Seppo Salminen
- Functional Foods Forum, Faculty of Medicine, University of Turku, Turku, Finland
| | - Hania Szajewska
- Department of Paediatrics, Medical University of Warsaw, Warsaw, Poland
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14
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Liu ZS, Li PL, Ku YW, Chen PW. Oral Administration of Recombinant Lactoferrin-Expressing Probiotics Ameliorates Diet-Induced Lipid Accumulation and Inflammation in Non-Alcoholic Fatty Liver Disease in Mice. Microorganisms 2022; 10:2215. [PMID: 36363807 PMCID: PMC9694622 DOI: 10.3390/microorganisms10112215] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 11/04/2022] [Accepted: 11/07/2022] [Indexed: 07/22/2023] Open
Abstract
We have recently developed probiotics that can express bovine, human, or porcine lactoferrin (LF), and the present study evaluated the effect of these probiotics in improving non-alcoholic fatty liver disease (NAFLD). Three kinds of probiotic supplements, including lactic acid bacteria (LAB), LAB/LF, and inactivated LAB/LF, were prepared. The LAB supplement was prepared from 10 viable LAB without recombinant LF-expression, the LAB/LF supplement was prepared from 10 viable probiotics expressing LF, and the inactivated LAB/LF supplement was prepared from 10 inactivated probiotics expressing LF. A model of obese/NAFLD mice induced by a high-fat diet was established, and the mice were randomly divided into four groups and fed with a placebo, LAB, LAB/LF, or inactivated LAB daily for four weeks via oral gavage. The body weight, food intake, organ weight, biochemistry, and hepatic histopathological alterations and severity scoring were measured. The results revealed that the obese mice fed with any one of the three probiotic mixtures prepared from recombinant probiotics for four weeks exhibited considerably improved hepatic steatosis. These findings confirmed the assumption that specific probiotic strains or LF supplements could help to control NAFLD, as suggested in previous reports. Our data also suggest that the probiotics and LFs in probiotic mixtures contribute differently to improving the efficacy against NAFLD, and the expressed LF content in probiotics may help to boost their efficacy in comparison with the original probiotic mixtures. Moreover, when these LF-expressing probiotics were further inactivated by sonication, they displayed better efficacies than the viable probiotics against NAFLD. This study has provided intriguing data supporting the potential of recombinant probiotics in improving hepatic steatosis.
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Affiliation(s)
- Zhen-Shu Liu
- Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
- Chronic Diseases and Health Promotion Research Center, Chang Gung University of Science and Technology, Chiayi 61363, Taiwan
| | - Pei-Lin Li
- Department of Veterinary Medicine, National Chung Hsing University, Taichung 40249, Taiwan
| | - Yu-We Ku
- Department of Veterinary Medicine, National Chung Hsing University, Taichung 40249, Taiwan
- Animal and Plant Disease Control Center Yilan County, Wujie Township, Yilan County 268015, Taiwan
| | - Po-Wen Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung 40249, Taiwan
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15
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Qiu X, Wu Q, Li W, Tang K, Zhang J. Effects of Lactobacillus supplementation on glycemic and lipid indices in overweight or obese adults: A systematic review and meta-analysis. Clin Nutr 2022; 41:1787-1797. [PMID: 35820261 DOI: 10.1016/j.clnu.2022.06.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 06/05/2022] [Accepted: 06/15/2022] [Indexed: 12/11/2022]
Abstract
BACKGROUND & AIMS Recent evidence suggests that gut microbiota may represent an important factor to affect the development of obesity and obesity-related diseases. Although several randomized controlled trials (RCTs) have explored the ability of Lactobacillus to improve metabolic parameters in adults who are overweight or obese, their findings have been inconsistent and require further analysis. Therefore, this systematic review and meta-analysis aimed to determine the ability of Lactobacillus supplementation to improve glycemic control, the lipid profile, and blood pressure in adults who are overweight or obese. METHODS Seven electronic databases and two trial registers were searched up to April 2022 to identify eligible RCTs evaluating the effects of Lactobacillus supplementation in overweight or obese adults. Mean differences (MDs) or standardized mean differences were pooled using a random-effects model. RESULTS Nine eligible RCTs with 598 participants were included. We found that Lactobacillus supplementation significantly reduced low-density lipoprotein cholesterol (MD -5.27 mg/dL; 95% confidence interval [CI] -8.28, -2.25; P = 0.0006) and total cholesterol (MD -4.84 mg/dL; 95% CI -8.29, -1.39; P = 0.006), particularly when taken in capsule, powder, or tablet form, for 12 weeks, as ≥1 × 1010 colony forming units/day, or as part of a normal diet. Benefits of Lactobacillus on fasting plasma glucose were seen after 12 weeks of supplementation (MD -1.81 mg/dL; 95% CI -3.08, -0.54; P = 0.005) and on triglycerides when taking a normal diet (MD -14.14 mg/dL; 95% CI -24.38, -3.91; P = 0.007). Lactobacillus had only a short-term beneficial effect on fasting plasma insulin and blood pressure and no significant beneficial effect on high-density lipoprotein cholesterol. CONCLUSIONS Lactobacillus supplementation has a beneficial effect on low-density lipoprotein cholesterol and total cholesterol in adults who are overweight or obese, and also on fasting plasma glucose and triglycerides under certain conditions. Therefore, Lactobacillus supplementation represents a promising approach in the management of obesity-related diseases.
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Affiliation(s)
- Xudong Qiu
- Shanghai Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiong Wu
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenyan Li
- Shanghai Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kairan Tang
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jing Zhang
- School of Public Health, Shanghai Jiao Tong University, Shanghai, China.
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16
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Noh HJ, Park JM, Kwon YJ, Kim K, Park SY, Kim I, Lim JH, Kim BK, Kim BY. Immunostimulatory Effect of Heat-Killed Probiotics on RAW264.7 Macrophages. J Microbiol Biotechnol 2022; 32:638-644. [PMID: 35354761 PMCID: PMC9628881 DOI: 10.4014/jmb.2201.01015] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/18/2022] [Accepted: 03/18/2022] [Indexed: 12/15/2022]
Abstract
Probiotics modulate the gut microbiota, which in turn regulate immune responses to maintain balanced immune homeostasis in the host. However, it is unclear how probiotic bacteria regulate immune responses. In this study we investigated the immunomodulatory effects of heat-killed probiotics, including Lactiplantibacillus plantarum KC3 (LP3), Lactiplantibacillus plantarum CKDB008 (LP8), and Limosilactobacillus fermentum SRK414 (LF4), via phagocytosis, nitric oxide (NO), and pro-inflammatory cytokine production in macrophages. We thus found that heat-killed LP8 could promote the clearance of foreign pathogens by enhancing the phagocytosis of macrophages. Treatment with heat-killed LP8 induced the production of NO and pro-inflammatory cytokines, including TNF-α, IL-6, and IL-1β. In addition, heat-killed LP8 suppressed the production of NO and cytokines in LPS-induced RAW264.7 cells, suggesting that heat-killed LP8 exerts immunomodulatory effects depending on the host condition. In sum, these results indicate that heat-killed LP8 possesses the potential for immune modulation while providing a molecular basis for the development of functional probiotics prepared from inactivated bacterial cells.
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Affiliation(s)
- Hye-Ji Noh
- Probiotics Research Laboratory, Chong Kun Dang Bio Research Institute (CKDBIO), Gyeonggi 15064, Republic of Korea
| | - Jung Min Park
- R&D Center, Chong Kun Dang Healthcare (CKDHC), Seoul 07249, Republic of Korea
| | - Yoo Jin Kwon
- Probiotics Research Laboratory, Chong Kun Dang Bio Research Institute (CKDBIO), Gyeonggi 15064, Republic of Korea
| | - Kyunghwan Kim
- Probiotics Research Laboratory, Chong Kun Dang Bio Research Institute (CKDBIO), Gyeonggi 15064, Republic of Korea
| | - Sung Yurb Park
- Probiotics Research Laboratory, Chong Kun Dang Bio Research Institute (CKDBIO), Gyeonggi 15064, Republic of Korea
| | - Insu Kim
- R&D Center, Chong Kun Dang Healthcare (CKDHC), Seoul 07249, Republic of Korea
| | - Jong Hyun Lim
- R&D Center, Chong Kun Dang Healthcare (CKDHC), Seoul 07249, Republic of Korea
| | - Byoung Kook Kim
- Probiotics Research Laboratory, Chong Kun Dang Bio Research Institute (CKDBIO), Gyeonggi 15064, Republic of Korea,Corresponding authors B.K. Kim Phone: +82-31-489-1110 Fax: +82-31-495-8162 E-mail:
| | - Byung-Yong Kim
- R&D Center, Chong Kun Dang Healthcare (CKDHC), Seoul 07249, Republic of Korea,
B.Y. Kim Phone: +82-2-6292-9107 Fax: +82-2-6292-9266 E-mail:
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17
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Lactiplantibacillus plantarum K8-based paraprobiotics prevents obesity and obesity-induced inflammatory responses in high fat diet-fed mice. Food Res Int 2022; 155:111066. [DOI: 10.1016/j.foodres.2022.111066] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 12/13/2022]
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18
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Nam Y, Yoon S, Baek J, Kim JH, Park M, Hwang K, Kim W. Heat-Killed Lactiplantibacillus plantarum LRCC5314 Mitigates the Effects of Stress-Related Type 2 Diabetes in Mice via Gut Microbiome Modulation. J Microbiol Biotechnol 2022; 32:324-332. [PMID: 34949748 PMCID: PMC9628852 DOI: 10.4014/jmb.2111.11008] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/13/2021] [Accepted: 12/15/2021] [Indexed: 12/15/2022]
Abstract
The incidence of stress-related type 2 diabetes (stress-T2D), which is aggravated by physiological stress, is increasing annually. The effects of Lactobacillus, a key component of probiotics, have been widely studied in diabetes; however, studies on the effects of postbiotics are still limited. Here, we aimed to examine the mechanism through which heat-killed Lactiplantibacillus plantarum LRCC5314 (HK-LRCC5314) alleviates stress-T2D in a cold-induced stress-T2D C57BL/6 mouse model. HK-LRCC5314 markedly decreased body weight gain, adipose tissue (neck, subcutaneous, and epididymal) weight, and fasting glucose levels. In the adipose tissue, mRNA expression levels of stress-T2D associated factors (NPY, Y2R, GLUT4, adiponectin, and leptin) and pro-inflammatory factors (TNF-α, IL-6, and CCL-2) were also altered. Furthermore, HK-LRCC5314 increased the abundance of Barnesiella, Alistipes, and butyrate-producing bacteria, including Akkermansia, in feces and decreased the abundance of Ruminococcus, Dorea, and Clostridium. Thus, these findings suggest that HK-LRCC5314 exerts protective effects against stress-T2D via gut microbiome modulation, suggesting its potential as a supplement for managing stress-T2D.
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Affiliation(s)
- YoHan Nam
- Department of Microbiology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Seokmin Yoon
- Department of Microbiology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea,Lotte R&D Center, Seoul 07594, Republic of Korea
| | - Jihye Baek
- Department of Microbiology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Jong-Hwa Kim
- Department of Microbiology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Miri Park
- Lotte R&D Center, Seoul 07594, Republic of Korea
| | - KwangWoo Hwang
- College of Pharmacy, Chung‐Ang University, Seoul 06974, Republic of Korea
| | - Wonyong Kim
- Department of Microbiology, College of Medicine, Chung-Ang University, Seoul 06974, Republic of Korea,Corresponding author Phone: +82-2-820-5685 Fax: +82-2-822-5685 E-mail:
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19
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Nakai H, Murosaki S, Yamamoto Y, Furutani M, Matsuoka R, Hirose Y. Safety and efficacy of using heat-killed Lactobacillus plantarum L-137: High-dose and long-term use effects on immune-related safety and intestinal bacterial flora. J Immunotoxicol 2021; 18:127-135. [PMID: 34559598 DOI: 10.1080/1547691x.2021.1979698] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Heat-killed Lactobacillus plantarum L-137 (HK L-137) promotes immune function in animals. In healthy people, T-cell proliferation was shown to be enhanced by taking 10 mg HK L-137 daily for 12 weeks. However, the safety and efficacy of higher doses or longer treatments have not yet been investigated in humans. To investigate the high-dose and long-term use effects of HK L-137 on immune-related safety and on host intestinal bacterial flora, 15 healthy volunteers took a daily HK L-137 (50 mg) preparation for 4 weeks. An additional 29 participants who regularly visited a clinic for health care took HK L-137 (10 mg) daily for 12 months. Measures for anthropometrics, hematology, biochemistry, and urinalysis were taken at scheduled timepoints for all participants. Stool and blood samples were also collected and evaluated for microbes and short-chain fatty acids (SCFA); isolated T-cells were assessed for levels of proliferation induced by phytohemagglutinin in the long-term study. Adverse events or shifts in clinical measures from normal ranges due to the dietary intervention were not observed in the high-dose or long-term studies. Long-term intake also did not result in immune exhaustion due to any chronic immunostimulation; ex vivo T-cell proliferation was significantly greater at 12 months than at baseline (p < 0.01). In addition, the Firmicutes/Bacteroidetes ratio in stool samples was significantly lower at 12 months than at baseline (p < 0.05) due to the long-term intake of the HK L-137. Lastly, fecal SCFA concentrations were significantly greater (p < 0.05) at 6 months than at baseline. From these data, it can be concluded that the efficacy of HK L-137 is maintained with no overt adverse effects as a result of high-dose and/or long-term consumption.
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Affiliation(s)
- Hiroko Nakai
- Ingredient Research Division, Research and Development Institute, House Wellness Foods Corp, Itami, Japan
| | - Shinji Murosaki
- Ingredient Research Division, Research and Development Institute, House Wellness Foods Corp, Itami, Japan
| | - Yoshihiro Yamamoto
- Ingredient Research Division, Research and Development Institute, House Wellness Foods Corp, Itami, Japan
| | | | | | - Yoshitaka Hirose
- Ingredient Research Division, Research and Development Institute, House Wellness Foods Corp, Itami, Japan
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20
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Yang D, Lyu W, Hu Z, Gao J, Zheng Z, Wang W, Firrman J, Ren D. Probiotic Effects of Lactobacillus fermentum ZJUIDS06 and Lactobacillus plantarum ZY08 on Hypercholesteremic Golden Hamsters. Front Nutr 2021; 8:705763. [PMID: 34262929 PMCID: PMC8273167 DOI: 10.3389/fnut.2021.705763] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 05/27/2021] [Indexed: 12/19/2022] Open
Abstract
Hypercholesteremia or high cholesterol is one of the important factors leading to atherosclerosis and other cardiovascular diseases. The application of probiotics with cholesterol-lowering characteristics has become increasingly popular over the past decade due to their contribution to human health. This study aimed to evaluate the probiotic effects of Lactobacillus fermentum ZJUIDS06 and Lactobacillus plantarum ZY08 on hyperlipidemic golden hamsters. A hyperlipidemic model was established through a high cholesterol diet in golden hamsters, after which lyophilized Lactobacillus fermentum ZJUIDS06 and Lactobacillus plantarum ZY08 were orally administered individually for 8 weeks. The physiological characteristics of golden hamsters and short chain fatty acid (SCFA) in the colon were assessed by automatic Biochemical Analyzer and gas choromatograph, respectively. A MiSeq sequencing-based analysis of the bacterial 16S rRNA gene (V3–V4 region) in the cecum content was performed to analyze the cecum microbiota. Correlations between sets of these variables were also investigated using the R package “corrplot.” Results showed that neither Lactobacillus fermentum ZJUIDS06 nor Lactobacillus plantarum ZY08 inhibited body weight increase. However, supplementation with Lactobacillus fermentum ZJUIDS06 for 8 weeks increased colon SCFA levels (P < 0.05), decreased serum low-density lipoprotein, total cholesterol, and triglycerides levels, and also induced changes in the cecum microbiota of hyperlipidemic golden hamsters. Remarkably, oral administration of Lactobacillus fermentum ZJUIDS06 increased the relative abundance of Parabacteroides in the cecum, which served as a biomarker for colon SCFA production and improvement of serum cholesterol levels. In a word, Lactobacillus fermentum ZJUIDS06 improved hyperlipidemia in golden hamsters, which correlated with an increase in SCFA levels and relative abundance of Parabacteroides, indicating its potential importance in functional foods that can help lower cholesterol.
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Affiliation(s)
- Dongting Yang
- College of Animal Sciences, Institute of Dairy Science, Zhejiang University, Hangzhou, China
| | - Wentao Lyu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Ziyi Hu
- College of Animal Sciences, Institute of Dairy Science, Zhejiang University, Hangzhou, China
| | - Jiting Gao
- College of Animal Sciences, Institute of Dairy Science, Zhejiang University, Hangzhou, China
| | - Zhiyao Zheng
- College of Animal Sciences, Institute of Dairy Science, Zhejiang University, Hangzhou, China
| | - Weijun Wang
- Zhejiang Yiming Food Co. Ltd., Wenzhou, China
| | - Jenni Firrman
- Dairy and Functional Foods Research Unit, Eastern Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture, Wyndmoor, PA, United States
| | - Daxi Ren
- College of Animal Sciences, Institute of Dairy Science, Zhejiang University, Hangzhou, China
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Layús BI, Gomez MA, Cazorla SI, Rodriguez AV. Drops of Lactiplantibacillus plantarum CRL 759 culture supernatant attenuates eyes inflammation induced by lipopolysaccharide. Benef Microbes 2021; 12:163-174. [PMID: 33769229 DOI: 10.3920/bm2020.0101] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Anti-inflammatory effect of soluble secreted compounds of probiotic bacteria was widely demonstrated as therapy for different inflammatory diseases, but was not investigated in inflammatory eye disorders. The aim of this study was to determine whether Lactiplantibacillus plantarum CRL759 cell-free supernatant reduced inflammatory parameters and clinical signs in ocular inflammations. First, we evaluated the effect of L. plantarum CRL759 supernatant in vitro on human retinal cell line, ARPE-19 cells, stimulated with lipopolysaccharide (LPS). Then, we investigated in vivo its capacity to decrease inflammation by local administration on the eyes of mice with endotoxin induced inflammation. In vitro assays demonstrated that L. plantarum CRL759 supernatant reduced the production of interleukin (IL)-6, IL-8, nitric oxide and thiobarbituric acid reactive substances in LPS-stimulated ARPE-19 cells. Our in vivo data proved that L. plantarum supernatant significantly reduced the clinical score of endotoxin treated mice and diminished levels of tumour necrosis factor alpha, interferon gamma and protein concentration in aqueous humour. Histological examination showed reduction of infiltrating inflammatory cells in the posterior segment of the eyes. As far as we know, this is the first report showing that Lactobacillus spp. supernatant administered as drops reduces some parameters of ocular inflammation. This promising strategy is safe and could alleviate symptoms and signs of ocular inflammation in people that are refractories to the conventional therapies.
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Affiliation(s)
- B I Layús
- CONICET, CERELA, Batalla de Chacabuco 145, 4000 San Miguel de Tucumán, Argentina
| | - M A Gomez
- Hospital Ángel C. Padilla, Juan Bautista Alberdi 550, 4000 San Miguel de Tucumán, Argentina
| | - S I Cazorla
- CONICET, CERELA, Batalla de Chacabuco 145, 4000 San Miguel de Tucumán, Argentina
| | - A V Rodriguez
- CONICET, Cell Signaling Laboratory, Batalla de Chacabuco 145, 4000 San Miguel de Tucumán, Argentina
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22
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Kim H, Jeon B, Kim WJ, Chung DK. Effect of paraprobiotic prepared from Kimchi-derived Lactobacillus plantarum K8 on skin moisturizing activity in human keratinocyte. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104244] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
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Yoshitake R, Hirose Y, Murosaki S, Matsuzaki G. Heat-killed Lactobacillus plantarum L-137 attenuates obesity and associated metabolic abnormalities in C57BL/6 J mice on a high-fat diet. BIOSCIENCE OF MICROBIOTA FOOD AND HEALTH 2020; 40:84-91. [PMID: 33996364 PMCID: PMC8099634 DOI: 10.12938/bmfh.2020-040] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 10/24/2020] [Indexed: 12/31/2022]
Abstract
Heat-killed Lactobacillus plantarum L-137 (HK L-137) has anti-allergic, antitumor, and antiviral effects in mice, as well as an anti-inflammatory effect in rats with metabolic syndrome through regulation of immunity. To evaluate the influence of HK L-137 on chronic inflammation in mice with diet-induced obesity, C57BL/6 J mice were fed a normal diet (16% of energy as fat) or a high-fat diet (62% of energy as fat) with or without 0.002% HK L-137 for 4 to 20 weeks. It was found that HK L-137 supplementation alleviated weight gain and elevation of plasma glucose, cholesterol, alanine aminotransferase, and aspartate transaminase levels in mice with diet-induced obesity. Expression of several inflammation-related genes, including F4/80, CD11c, and IL-1β, in the epididymal adipose tissue of these mice was significantly downregulated by HK L-137. In addition, plasma levels of lipopolysaccharide-binding protein, a marker of endotoxemia, tended to be decreased by administration of HK L-137. These findings suggest that HK L-137 supplementation ameliorates obesity-induced metabolic abnormalities and adipose tissue inflammation, possibly through improvement of intestinal permeability.
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Affiliation(s)
- Rieko Yoshitake
- Molecular Microbiology Group, Department of Infectious Diseases, Tropical Biosphere Research Center, University of The Ryukyus, Nishihara, Okinawa 903-0213, Japan
| | - Yoshitaka Hirose
- Molecular Microbiology Group, Department of Infectious Diseases, Tropical Biosphere Research Center, University of The Ryukyus, Nishihara, Okinawa 903-0213, Japan
| | - Shinji Murosaki
- Nihon Pharmaceutical University, Kitaadachi-gun, Saitama 362-0806, Japan
| | - Goro Matsuzaki
- Molecular Microbiology Group, Department of Infectious Diseases, Tropical Biosphere Research Center, University of The Ryukyus, Nishihara, Okinawa 903-0213, Japan
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24
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Satomi S, Khanum S, Miller P, Suzuki S, Suganuma H, Heiser A, Gupta SK. Short Communication: Oral Administration of Heat-killed Lactobacillus brevis KB290 in Combination with Retinoic Acid Provides Protection against Influenza Virus Infection in Mice. Nutrients 2020; 12:nu12102925. [PMID: 32987850 PMCID: PMC7600661 DOI: 10.3390/nu12102925] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/16/2020] [Accepted: 09/21/2020] [Indexed: 12/13/2022] Open
Abstract
Influenza virus type A (IAV) is a seasonal acute respiratory disease virus with severe symptoms, and an effective preventive measure is required. Despite many reports describing the potentially protective effects of lactic acid bacteria, few studies have investigated the effects of nutritional supplement combinations. This study reports the effect of the combined intake of heat-killed Lactobacillus brevis KB290 (KB290) and vitamin A (VA) on mice challenged with a sublethal dose of IAV. For 2 weeks, five groups of mice were fed either placebo, KB290, VA, or a combination of KB290 and VA (KB290+VA). After subsequent IAV challenge, bodyweight and general health were monitored for up to 2 weeks. Viral titres were determined in the lungs of animal subgroups euthanised at days 3, 7, and 14 after IAV challenge. A significant loss was observed in the bodyweights of IAV-infected animals from day 1 post-IAV challenge, whereas the mice fed KB290+VA did not lose any weight after IAV infection, indicating successful protection from the infection. Additionally, mice in the KB290+VA group showed the highest reduction in lung viral titres. In conclusion, the combination of KB290 and VA could be a useful food supplement relevant for protection against seasonal influenza virus infection in humans.
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Affiliation(s)
- Shohei Satomi
- Department of Nature & Wellness Research, Innovation Division, KAGOME CO., LTD., 17 Nishitomiyama, Nasushiobara, Tochigi 329-2762, Japan; (S.S.); (H.S.)
- Correspondence: (S.S.); (S.K.G.); Tel.: +81-80-8132-3813 (S.S.); +64-06351-8697 (S.K.G.)
| | - Sofia Khanum
- AgResearch Ltd., Hopkirk Research Institute, Grasslands Research Centre, Private Bag 11008, Palmerston North 4442, New Zealand; (S.K.); (P.M.); (A.H.)
| | - Poppy Miller
- AgResearch Ltd., Hopkirk Research Institute, Grasslands Research Centre, Private Bag 11008, Palmerston North 4442, New Zealand; (S.K.); (P.M.); (A.H.)
| | - Shigenori Suzuki
- Department of Nature & Wellness Research, Innovation Division, KAGOME CO., LTD., 17 Nishitomiyama, Nasushiobara, Tochigi 329-2762, Japan; (S.S.); (H.S.)
| | - Hiroyuki Suganuma
- Department of Nature & Wellness Research, Innovation Division, KAGOME CO., LTD., 17 Nishitomiyama, Nasushiobara, Tochigi 329-2762, Japan; (S.S.); (H.S.)
| | - Axel Heiser
- AgResearch Ltd., Hopkirk Research Institute, Grasslands Research Centre, Private Bag 11008, Palmerston North 4442, New Zealand; (S.K.); (P.M.); (A.H.)
| | - Sandeep K Gupta
- AgResearch Ltd., Hopkirk Research Institute, Grasslands Research Centre, Private Bag 11008, Palmerston North 4442, New Zealand; (S.K.); (P.M.); (A.H.)
- Correspondence: (S.S.); (S.K.G.); Tel.: +81-80-8132-3813 (S.S.); +64-06351-8697 (S.K.G.)
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Wu T, Sun M, Liu R, Sui W, Zhang J, Yin J, Fang S, Zhu J, Zhang M. Bifidobacterium longum subsp. longum Remodeled Roseburia and Phosphatidylserine Levels and Ameliorated Intestinal Disorders and liver Metabolic Abnormalities Induced by High-Fat Diet. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:4632-4640. [PMID: 32237746 DOI: 10.1021/acs.jafc.0c00717] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Bifidobacterium longum is considered as a potential supplement in antiobesity treatment; however, the underlying molecular mechanism has rarely been studied. To understand the contributions of B. longum subsp. longum (BL21) in the prevention of obesity, we investigated alterations in the liver metabonomic phenotype and gut microbiota by ultraperformance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry and 16S ribosomal RNA gene sequencing in C57BL/6J male mice orally administered with BL21 for 8 weeks [high-fat diet (HFD)]. BL21 at 1 × 109 CFU·day-1 per mouse reduced the weight of mice by 16.9% relative to that of the mice fed with HFD and significantly lowered the serum levels of total cholesterol, triglycerides, and low-density lipoprotein cholesterol. BL21 also ameliorated fat vacuolization in liver cells and epididymal fat accumulation. BL21 also lowered the Firmicutes/Bacteroidetes ratio, regulated liver remodeling in glycerophospholipids, and alleviated the levels of d-tryptophan. A positive correlation between the butyrate-producing strain Roseburia and the cell membrane component phosphatidylserine was found for the first time. Thus, BL21 can potentially prevent mice from being obese by rebalancing the gut microbiota and glycerophospholipid metabolism. BL21 can be a promising dietary supplement for weight control.
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Affiliation(s)
- Tao Wu
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Mengzhen Sun
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Rui Liu
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Wenjie Sui
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Jiaojiao Zhang
- Department of Clinical Sciences, Faculty of Medicine, Università Politecnica delle Marche, Ancona 60131, Italy
| | - Jinjin Yin
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Shuguang Fang
- Jiangsu Wecare Biotechnology Co., LTD, Suzhou, Jiangsu 215200, China
| | - Jianguo Zhu
- Jiangsu Wecare Biotechnology Co., LTD, Suzhou, Jiangsu 215200, China
| | - Min Zhang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China
- Tianjin Agricultural University, Tianjin 300384, PR China
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Effects of 12-Week Ingestion of Yogurt Containing Lactobacillus plantarum OLL2712 on Glucose Metabolism and Chronic Inflammation in Prediabetic Adults: A Randomized Placebo-Controlled Trial. Nutrients 2020; 12:nu12020374. [PMID: 32023901 PMCID: PMC7071174 DOI: 10.3390/nu12020374] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 01/28/2020] [Indexed: 12/21/2022] Open
Abstract
The ingestion of Lactobacillus plantarum OLL2712 (OLL2712) cells improved glucose metabolism by suppressing chronic inflammation in mouse models and in a preliminary clinical study. We aimed to clarify the effect of OLL2712 on glucose metabolism and chronic inflammation for healthy adults. Prediabetic adults (n = 130, age range: 20–64 years) were randomly assigned to either the placebo or OLL2712 groups (n = 65 each) and were administered conventional yogurt or yogurt containing more than 5 × 109 heat-treated OLL2712 cells, respectively, daily for 12 weeks. Reduced HbA1c levels after 12 weeks of treatment were observed in both groups compared to those at baseline; however, the 12-week reduction of HbA1c levels was significantly greater in the OLL2712 group than in the placebo group. Increased chronic inflammation marker levels and insulin-resistant index (HOMA-IR) occurred in the placebo group but not in the OLL2712 group. Fasting blood glucose (FBG) levels did not change significantly in both groups; however, in subgroup analyses including participants with higher FBG levels, FBG levels were significantly reduced only in the OLL2712 group compared to baseline. These results suggest that OLL2712 cell ingestion can reduce HbA1c levels and can prevent the aggravation of chronic inflammation and insulin resistance.
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