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Wang W, Liu F, Xu C, Liu Z, Ma J, Gu L, Jiang Z, Hou J. Lactobacillus plantarum 69-2 Combined with Galacto-Oligosaccharides Alleviates d-Galactose-Induced Aging by Regulating the AMPK/SIRT1 Signaling Pathway and Gut Microbiota in Mice. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:2745-2757. [PMID: 33565862 DOI: 10.1021/acs.jafc.0c06730] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Probiotics and prebiotics for preventing and alleviating the degenerative changes associated with aging have received extensive attention. In the present work, Lactobacillus plantarum (L. plantarum) 69-2 with the highest antioxidant capacity combined with galacto-oligosaccharide (GOS) was used in aging model mice to evaluate the effect on aging and the regulation of gut microbiota. The combination of L. plantarum 69-2 and GOS supplementation could significantly (P < 0.05) improve liver function, antioxidant capacity, and inflammation accompanied by regulating the gut microbiota, increasing the short chain fatty acid (SCFA) levels, and activating the hepatic AMPK/SIRT1 regulatory pathway. The results showed that L. plantarum 69-2 and GOS could activate the hepatic AMPK/SIRT1 signaling pathway by regulating the gut microbiota and metabolites through the liver-gut axis to restore hepatic antioxidant activity to alleviate aging. The study provided a new insight for targeting the gut microbiota to relieve aging through the gut-liver axis.
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Litton E, Anstey M, Broadhurst D, Chapman A, Currie A, Ferrier J, Gummer J, Higgins A, Lim J, Manning L, Myers E, Orr K, Palermo AM, Paparini A, Pellicano S, Raby E, Rammohan A, Regli A, Richter B, Salman S, Strunk T, Waterson S, Weight D, Wibrow B, Wood F. Early and sustained Lactobacillus plantarum probiotic therapy in critical illness: the randomised, placebo-controlled, restoration of gut microflora in critical illness trial (ROCIT). Intensive Care Med 2021; 47:307-315. [PMID: 33566129 PMCID: PMC7873510 DOI: 10.1007/s00134-020-06322-w] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Accepted: 11/07/2020] [Indexed: 12/16/2022]
Abstract
Purpose In adults requiring treatment in an intensive care unit, probiotic therapy using Lactobacillus plantarum 299v may reduce nosocomial infection. The aim of this study was to determine whether early and sustained L. plantarum 299v therapy administered to adult ICU patients increased days alive and at home. Methods A multicentre, parallel group, placebo-controlled, randomised clinical trial was conducted. Adult patients within 48 h of intensive care admission and expected to require intensive care beyond the day after recruitment were eligible to participate. L plantarum 299v or placebo were administered immediately after enrolment and continued for 60 days. The primary outcome was days alive and out of hospital to Day 60 (DAOH60). Secondary outcomes included nosocomial infections. Results The median [interquartile range (IQR)] number of DAOH60 in the probiotic (n = 110) and placebo group (n = 108) was 49.5 (IQR 37.0–53.0) and 49.0 (IQR 43.8–53.0) respectively, between-group difference of 0.0 [95% confidence interval (CI) − 6.10 to 7.1, P = 0.55]. Nosocomial infection occurred in 8 (7.3%) and 5 (4.6%) of the probiotic and placebo group participants, respectively, odds ratio 1.62 (95% CI 0.51–5.10), P = 0.57. There were no serious, or probiotic-associated adverse events. Conclusion Early and sustained untargeted administration of probiotic therapy with Lactobacillus plantarum 299v to adult patients admitted to the ICU is safe, but not associated with improved patient outcomes. Electronic supplementary material The online version of this article (10.1007/s00134-020-06322-w) contains supplementary material, which is available to authorized users.
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Banwo K, Alonge Z, Sanni AI. Binding Capacities and Antioxidant Activities of Lactobacillus plantarum and Pichia kudriavzevii Against Cadmium and Lead Toxicities. Biol Trace Elem Res 2021; 199:779-791. [PMID: 32436065 DOI: 10.1007/s12011-020-02164-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 04/15/2020] [Indexed: 12/11/2022]
Abstract
The cadmium and lead binding capacities and antioxidant activities of Lactobacillus plantarum and Pichia kudriavzevii were evaluated in vitro and in vivo. Lactic acid bacteria and yeasts obtained from fermenting cassava mash and maize slurry were screened for tolerance to cadmium and lead at 500-1050 mg ml-1 screened for probiotic potentials and antioxidant activities such as 2,2-diphenyl-1-picrylhydrazyl and ferric reducing antioxidant properties. The in vivo studies were carried out in male Wistar rats. The strains identified as Lactobacillus plantarum ML05 and Pichia kudriavzevii FY05 demonstrated the best probiotic potentials and antioxidant activities. Alterations in antioxidant capacities were positive in the treatment groups. The histopathology displayed positive changes in the renal tubules and glomeruli, hypertrophy, with normal capsular spaces without inflammation in the kidney, while the liver sinusoids appear normal in the rats administered with L. plantarum ML05 and P. kudriavzevii FY05 while the infected and not treated showed cell necrosis induced by toxicities. Our results provided new evidence that Lactobacillus plantarum and Pichia kudriavzevii have different biological actions on the heavy metals binding capacities and antioxidant activities in experimental animals. This study suggests that these microorganisms can be considered dietary therapeutics against cadmium and lead toxicities.
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Wang Q, Sun Q, Wang J, Qiu X, Qi R, Huang J. Lactobacillus Plantarum 299v Changes miRNA Expression in the Intestines of Piglets and Leads to Downregulation of LITAF by Regulating ssc-miR-450a. Probiotics Antimicrob Proteins 2021; 13:1093-1105. [PMID: 33486700 DOI: 10.1007/s12602-021-09743-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2021] [Indexed: 11/26/2022]
Abstract
Lactiplantibacillus plantarum subsp. plantarum 299v (L. plantarum 299v) is one of the most important probiotic strains in animal health, but the molecular mechanisms of how it exerts health benefits remain unclear. The purpose of this study was to explore the changes in miRNA expression profiles in the intestinal tissues of piglets by L. plantarum 299v and to explore its possible molecular regulatory mechanism in intestinal function. Neonatal piglets were orally administered L. plantarum 299v daily from 1 to 20 days old, and high-throughput sequencing was conducted to analyse the changes in miRNA expression in the jejunum and ileum. The results showed that 370 known porcine miRNAs were identified from eight libraries. Five miRNAs (ssc-miR-21-5p, -143-3p, -194b-5p, -192, and -126-3p) were highly expressed in the intestinal tissues. There were 15 differentially expressed miRNAs between the control group and the L. plantarum group, and only miR-450a was expressed differentially in both intestinal tissues. KEGG analysis revealed that the target genes of the 15 differentially expressed miRNAs were involved in 37 significantly enriched pathways (P < 0.01). Then, quantitative polymerase chain reaction confirmed that the miRNA expression was corresponded well with those from the sequencing. Luciferase reporter assays verified that lipopolysaccharide-induced TNF-α factor is a target of miR-450a. Our results also showed L. plantarum 299v could influence intestinal function by changing the levels of cytokines via miRNA expression. This is the first study to analyse differential expression miRNA profiles in intestinal tissue after L. plantarum 299v treatment and investigate the molecular regulatory mechanism of functional miRNA.
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Rahayu ES, Mariyatun M, Putri Manurung NE, Hasan PN, Therdtatha P, Mishima R, Komalasari H, Mahfuzah NA, Pamungkaningtyas FH, Yoga WK, Nurfiana DA, Liwan SY, Juffrie M, Nugroho AE, Utami T. Effect of probiotic Lactobacillus plantarum Dad-13 powder consumption on the gut microbiota and intestinal health of overweight adults. World J Gastroenterol 2021; 27:107-128. [PMID: 33505154 PMCID: PMC7789061 DOI: 10.3748/wjg.v27.i1.107] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 12/07/2020] [Accepted: 12/16/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Shifting on lifestyle, diet, and physical activity contributed on increasing number of obese people around the world. Multiple factors influence the development of obesity. Some research suggested that gut microbiota (GM) plays an important role in nutrient absorption and energy regulation of individuals, thus affecting their nutritional status. Report of Indonesia Basic Health Research showed that the prevalence of obesity in every province tended to increase. Although the root cause of obesity is excessive calorie intake compared with expenditure, the differences in gut microbial ecology between healthy and obese humans may affect energy homeostasis. GM affect body weight, especially obesity. Probiotics that are consumed while alive and able to colonize in the intestine are expected to increase the population of good bacteria, especially Bifidobacteria and Lactobacilli, and suppress pathogens such as Enterobacteriaceae and Staphylococcus. The strain of L. plantarum Dad-13 has been demonstrated to survive and colonize in the gastrointestinal tract of healthy Indonesian adults who consume fermented milk containing L. plantarum Dad-13. The consumption of probiotic L. plantarum Dad-13 powder decreased E. coli and non-E. coli coliform bacteria in school-aged children in Indonesia. L. plantarum is a dominant bacterium in the average Indonesian’s GM. For this reason, this bacterium is probably a more suitable probiotic for Indonesians.
AIM To determine the effect of the consumption of indigenous probiotic Lactobacillus plantarum Dad-13 powder in overweight adults in Yogyakarta (Indonesia).
METHODS Sixty overweight volunteers with a body mass index (BMI) equal to or greater than 25 consume indigenous probiotic powder L. plantarum Dad-13 (2 × 109 CFU/gram/sachet) for 90 d. The study was a randomized, double-blind, placebo-controlled study. The volunteers filled in a diary on a daily basis, which consisted of questions on study product intake (only during ingestion period), other food intake, number of bowel movements, fecal quality (consistency and color), any medications received, and any symptom of discomfort, such as diarrhea, constipation, vomiting, gassing, sensation of illness, etc. Fecal samples and the subjects’ diaries were collected on the morning of day 10 + 1, which was marked as the end of the baseline period and the start of the ingestion period. During the ingestion period (from day 11 to day 101), several parameters to measure and analyze the results included body weight and height (once a month), the lipid profile, GM analysis using MiSeq, short-chain fatty acid (SCFA) analysis using gas chromatography, and the measurement of fecal pH using a pH meter.
RESULTS The consumption of indigenous probiotic powder L. plantarum Dad-13 caused the average body weight and BMI of the probiotic group to decrease from 84.54 ± 17.64 kg to 83.14 ± 14.71 kg and 33.10 ± 6.15 kg/m2 to 32.57 ± 5.01 kg/m2, respectively. No significant reduction of body weight and BMI in the placebo group was observed. An analysis of the microbiota showed that the number of Bacteroidetes, specifically Prevotella, increased significantly, while that of Firmicutes significantly decreased. No significant change in lipid profile in both groups was found. Also, no significant change in SCFAs (e.g., butyrate, propionate, acetic acid) and pH level was found after the consumption of the probiotic.
CONCLUSION No significant differences in pH before and after ingestion were observed in both the probiotic and placebo groups as well as in the lipid profile of both cholesterol and triglyceride, high-density lipoprotein (HDL), low-density lipoprotein (LDL), and the LDL/HDL ratio. In addition, no significant changes in the concentration of SCFAs (e.g., acetic acid, propionate, and butyrate) were found after con-sumption. Interestingly, a significant decrease in body weight and BMI (P < 0.05) was determined in the treatment group. An analysis of GM shows that L. plantarum Dad-13 caused the Firmicutes population to decrease and the Bacteroidetes population (especially Prevotella) to increase.
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Venditti N, Vergalito F, Magnifico I, Cutuli MA, Pietrangelo L, Cozzolino A, Angiolillo A, Succi M, Petronio GP, Di Marco R. The Lepidoptera Galleria mellonella "in vivo" model: a preliminary pilot study on oral administration of Lactobacillus plantarum (now Lactiplantibacillus plantarum). THE NEW MICROBIOLOGICA 2021; 44:42-50. [PMID: 33453704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
This work aims to assess the in vitro adhesion of two type strains of Lactobacillus plantarum (ATCC 14917 and ATCC BAA-793) (now Lactiplantibacillus plantarum). The experiments were conducted both in vitro on colon cells lines (Caco-2 and HT-29) and in vivo by adopting Galleria mellonella, a well-known alternative preclinical model. Data comparison obtained from in vitro and in vivo assays showed that adhesion performance is comparable in both models. Moreover, the type strain BAA-793, originally isolated from human saliva, showed enhanced adhesion performance, either in vitro to the low mucus-producing cell line (HT-29) or in vivo into the G mellonella gut. These results suggest a possible adaptation of this strain to its ecological niche compared to ATCC 14917. This preliminary pilot study, once again, showed the reliability of G. mellonella oral administration model as a first-line screening tool for in vitro to in vivo translation. Also, for the first time, the permanence of Lactobacillus strains into G. mellonella gut has been reported, reinforcing the claim that this preclinical model can be used, together with standardised in vitro and in vivo procedures already accepted across the scientific community, for the evaluation and investigation of new potential probiotic strains.
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Sohn M, Na GY, Chu J, Joung H, Kim BK, Lim S. Efficacy and Safety of Lactobacillus plantarum K50 on Lipids in Koreans With Obesity: A Randomized, Double-Blind Controlled Clinical Trial. Front Endocrinol (Lausanne) 2021; 12:790046. [PMID: 35126309 PMCID: PMC8807682 DOI: 10.3389/fendo.2021.790046] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 12/20/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Only few studies have investigated the role of probiotics in the development of obesity. We aimed to determine the efficacy and safety of an intake of Lactobacillus plantarum K50 (LPK) on body fat and lipid profiles in people with obesity. METHODS This randomized, double-blind, placebo-controlled, clinical trial involved 81 adults with a body mass index of 25-30 kg/m2 who were assigned randomly to a diet including 4 × 109 colony-forming unit of LPK or a placebo. Changes in body fat, anthropometric parameters, and biomarkers of obesity were compared using a linear mixed-effect model. RESULTS After 12 weeks of treatment, body weight, fat mass, and abdominal fat area did not change significantly in the two groups. However, total cholesterol levels decreased from 209.4 ± 34.4 mg/dL to 203.5 ± 30.9 mg/dL in the LPK group, but increased from 194.7 ± 37.5 mg/dL to 199.9 ± 30.7 mg/dL in the placebo group (P = 0.037). Similarly, triglyceride levels decreased from 135.4 ± 115.8 mg/dL to 114.5 ± 65.9 mg/dL in the LPK group, with a significant difference between groups. LPK supplementation also tended to decrease leptin levels compared with placebo. It also changed the distribution of gut microbiota significantly, with an increase in L. plantarum and a decrease in Actinobacteria, both of whose changes in abundance were correlated with changes in visceral adiposity, with borderline significance. CONCLUSION A 12-week consumption of LPK reduced the total cholesterol and triglyceride levels significantly with favorable alterations in microbiota, suggesting potential benefits for controlling blood lipid profiles.
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Nguyen TTT, Nguyen HVH. Effects of Fermentation Conditions Using Lactobacillus plantarum on the Charantin, Stigmasterol Glucoside and β-sitosterol Glucoside Contents of Bitter Gourd (Momordica charantia L.) Juice. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2020; 75:656-658. [PMID: 33009632 DOI: 10.1007/s11130-020-00860-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/19/2020] [Accepted: 09/28/2020] [Indexed: 06/11/2023]
Abstract
Bitter gourd fruits contain high amounts of charantin, stigmasterol glucoside and β-sitosterol glucoside, which have been shown to provide health benefits for humans. However, the bitterness of the fruit means they are rarely consumed. This study aimed to assess the effects of Lactobacillus plantarum fermentation, which has previously been reported to effectively reduce bitterness, on the contents of these compounds. The current results suggest that Lactobacillus plantarum fermentation should be considered as a potential approach to enhance the levels of these compounds in bitter gourd juice.
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Mu L, Xie Z, Hu L, Chen G, Zhang Z. Cellulase interacts with Lactobacillus plantarum to affect chemical composition, bacterial communities, and aerobic stability in mixed silage of high-moisture amaranth and rice straw. BIORESOURCE TECHNOLOGY 2020; 315:123772. [PMID: 32653750 DOI: 10.1016/j.biortech.2020.123772] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/26/2020] [Accepted: 06/27/2020] [Indexed: 06/11/2023]
Abstract
The objective was to evaluate effects of Lactobacillus plantarum and/or cellulase on fermentation, aerobic stability and bacterial community of mixed high-moisture amaranth (AF) and rice straw (RS) silage. The mixtures were treated with no addition (C), L. plantarum (L), cellulase (F) and their combination (LF). Additives increased the abundances of Lactobacillus and reduced the abundances of Weissella, Pediococcus, Lactococcus, decreased pH, acetic acid, ammonia nitrogen and increased lactic acid concentration as compared to C silage over the ensiling period. The LF silage had the highest lactic acid concentration among all silages over the 7 d of ensiling and also the lowest abundance of Enterobacteriaceae over 30 d of ensiling. Aerobic spoilage occurred in C and LF silages after 2 d of aerobic exposure, whereas the L and F silages remained stable > 4 d. In conclusion, silage treated with LF showed best silage quality.
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Ben‐David Y, Moraïs S, Bayer EA, Mizrahi I. Rapid adaptation for fibre degradation by changes in plasmid stoichiometry within Lactobacillus plantarum at the synthetic community level. Microb Biotechnol 2020; 13:1748-1764. [PMID: 32639625 PMCID: PMC7533337 DOI: 10.1111/1751-7915.13584] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 04/11/2020] [Accepted: 04/12/2020] [Indexed: 12/19/2022] Open
Abstract
The multi-enzyme cellulosome complex can mediate the valorization of lignocellulosic biomass into soluble sugars that can serve in the production of biofuels and valuable products. A potent bacterial chassis for the production of active cellulosomes displayed on the cell surface is the bacterium Lactobacillus plantarum, a lactic acid bacterium used in many applications. Here, we developed a methodological pipeline to produce improved designer cellulosomes, using a cell-consortium approach, whereby the different components self-assemble on the surface of L. plantarum. The pipeline served as a vehicle to select and optimize the secretion efficiency of potent designer cellulosome enzyme components, to screen for the most efficient enzymatic combinations and to assess attempts to grow the engineered bacterial cells on wheat straw as a sole carbon source. Using this strategy, we were able to improve the secretion efficiency of the selected enzymes and to secrete a fully functional high-molecular-weight scaffoldin component. The adaptive laboratory process served to increase significantly the enzymatic activity of the most efficient cell consortium. Internal plasmid re-arrangement towards a higher enzymatic performance attested for the suitability of the approach, which suggests that this strategy represents an efficient way for microbes to adapt to changing conditions.
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Xu D, Ding Z, Wang M, Bai J, Ke W, Zhang Y, Guo X. Characterization of the microbial community, metabolome and biotransformation of phenolic compounds of sainfoin (Onobrychis viciifolia) silage ensiled with or without inoculation of Lactobacillus plantarum. BIORESOURCE TECHNOLOGY 2020; 316:123910. [PMID: 32750640 DOI: 10.1016/j.biortech.2020.123910] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 06/11/2023]
Abstract
The present study investigated the bacterial community, metabolome and biotransformation of phenolic compounds in sainfoin silage inoculated either with or without Lactobacillus plantarum. Our results revealed that the epiphytic microbiota of wilted sainfoin mainly comprised Acinetobacter, Spingomonas, Pseudomonas, Lactobacillus, Delftia and Aquabacterium. After ensiling, L. acetotolerans, L. buchneri, L. plantarum, L. pentosus and Clostridium tyrobutricum were the dominant species. Compared to the control, the inoculant L. plantarum increased the relative abundance of L. buchneri while decreased that of the other dominant species. The ensiling process increased the concentrations of 21 flavones, 16 flavonols, 16 flavonoids, 14 flavanones and 9 isoflavones while decreased other 32 flavones and 11 anthocyanins, which mainly modulated by the "isoflavonoid biosynthesis" and "flavonoid biosynthesis" pathways. The inoculant L. plantarum mainly reduced the concentrations of 10 flavones. Compared with the control, the inoculant L. plantarum mainly affected the metabolism pathways related to carbohydrates and nitrogen.
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Gelardi M, La Mantia I, Drago L, Meroni G, Aragona SE, Cupido G, Vicini C, Berardi C, Ciprandi G. A probiotic mixture in patients with upper respiratory diseases: the point of view of the otorhinolaringologist. J BIOL REG HOMEOS AG 2020; 34:5-10. [PMID: 33426860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Upper respiratory infections are widespread in clinical practice. Antibiotics are frequently used in the management of patients with airways infection. However, antibiotics can induce intestinal and respiratory dysbiosis that, in turn, worsens respiratory symptoms. Moreover, respiratory infections per se can cause dysbiosis. Consequently, probiotics may counterbalance the disturbed microbiota. The current clinical experience evaluated the efficacy and safety of an oral nutraceutical containing a probiotic mixture with Lactobacillus plantarum LP01 (1 billion of living cells), Lactobacillus lactis subspecies cremoris LLC02 (800 million living cells), and Lactobacillus delbrueckii subspecies delbrueckii LDD01 (200 million living cells), in 2928 outpatients with an upper respiratory infection and treated with antibiotics. Patients took one stick/daily for four weeks. Simultaneously, 2877 patients with an upper respiratory infection and treated with antibiotics were recruited as control. This probiotic mixture significantly diminished the presence and the severity of respiratory symptoms at the end of the probiotic course and, more evidently, after a 3-month follow-up. In conclusion, the current clinical experience suggested that this probiotic mixture may be considered an effective and safe therapeutic option in managing patients with an upper respiratory infection and treated with antibiotics.
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Chen L, Qu H, Bai S, Yan L, You M, Gou W, Li P, Gao F. Effect of wet sea buckthorn pomace utilized as an additive on silage fermentation profile and bacterial community composition of alfalfa. BIORESOURCE TECHNOLOGY 2020; 314:123773. [PMID: 32645569 DOI: 10.1016/j.biortech.2020.123773] [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] [Received: 05/27/2020] [Revised: 06/26/2020] [Accepted: 06/27/2020] [Indexed: 06/11/2023]
Abstract
To effectively preserve nutrients, alfalfa silage was treated without (control) or with Lactobacillus plantarum (LP) and their mixture (LP + SBP). Results showed that SBP decreased (P < 0.05) final pH value and ammonia-N of total N, increased (P < 0.05) lactic, acetic and propionic acid contents, resulting in more residual water soluble carbohydrate and crude protein contents and less fiber content in relative to control. Moreover, SBP decreased (P < 0.05) the number of observed species, richness index of ACE and diversity index of Shannon at early stage of ensiling, while Lactobacillus plantarum, Lactococcus lactis, and/or Lactobacillus brevis dominated in silages. In particular, LP + SBP enhanced the growth of Lactococcus lactic at early stage and Lactobacillus plantarum at late stage of ensiling, resulting in higher lactic and acetic acid contents and lower propionic acid content as compared with LP. These confirmed that SBP could be used as an additive for improving silage quality of alfalfa.
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Shin DY, Yi DY, Jo S, Lee YM, Kim JH, Kim W, Park MR, Yoon SM, Kim Y, Yang S, Lim IS. Effect of a new Lactobacillus plantarum product, LRCC5310, on clinical symptoms and virus reduction in children with rotaviral enteritis. Medicine (Baltimore) 2020; 99:e22192. [PMID: 32957348 PMCID: PMC7505315 DOI: 10.1097/md.0000000000022192] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Rotavirus is one of the most common causes of infantile enteritis. In common enterocolitis, probiotic organisms, including Lactobacilli, are effective in treating diarrhea. A new species, Lactobacillus plantarum (LRCC5310), which was shown to inhibit the adherence and proliferation of rotavirus in the small intestine through animal experiments, was investigated for the efficacy and safety of patients with rotaviral enteritis. METHODS LRCC5310 (Group I) and control (Group II) groups consisting of children who were hospitalized for rotaviral enteritis were compared, and the medical records of patients (Group III) who were hospitalized for rotaviral enteritis during the same study period were retrospectively analyzed. Clinical symptoms were compared and stool samples were collected to compare changes in virus multiplication between Groups I and II. RESULTS Groups I, II, and III comprised 15, 8, and 27 children, respectively. There were no differences in clinical information among the groups at admission. In Group I, a statistically significant improvement was noted in the number of patients with diarrhea, number of defecation events on Day 3, and total diarrhea period as opposed to Group II (P = .033, P = .003, and P = .012, respectively). The improvement of Vesikari score in Group I was greater than that in the other groups (P = .076, P = .061, and P = .036, respectively). Among rotavirus genotypes, 9 (22.5%) strains and 8 (20.0%) strains belonged to the G9P8 and G1P8 genotypes, respectively. The virus reduction effect, as confirmed via stool specimens, was also greater in Group I. No significant side effects were noted in infants. CONCLUSION LRCC5310 improved clinical symptoms, including diarrhea and Vesikari score, and inhibited viral proliferation in rotaviral gastroenteritis.
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Kaźmierczak-Siedlecka K, Folwarski M, Skonieczna-Żydecka K, Ruszkowski J, Makarewicz W. The use of Lactobacillus plantarum 299v (DSM 9843) in cancer patients receiving home enteral nutrition - study protocol for a randomized, double-blind, and placebo-controlled trial. Nutr J 2020; 19:98. [PMID: 32917221 PMCID: PMC7488741 DOI: 10.1186/s12937-020-00598-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 07/27/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Nutritional treatment is one of the most important components of multidisciplinary anti-cancer therapy. Home enteral nutrition is considered as a safe procedure, however, it may be associated with the risk of side effects, such as nausea, vomiting, abdominal pain, and diarrhoea. It is uncertain whether diarrhoea is the result of the enteral formula administration or gut dysbiosis. One of the methods which may be used to alter the composition of gut microbiota is the administration of a probiotic strain. Lactobacillus plantarum 299v ingestion was found to diminish the adverse events of irritable bowel syndrome and Clostridium difficile infection - entities that share the symptoms with enteral nutrition side effects. Therefore, the primary aim of this study is to determine the effect of Lactobacillus plantarum 299v on prevention of weight loss of cancer patients receiving home enteral nutrition. The secondary aims are to evaluate the role of this probiotic strain in the improvement of nutritional status, enteral nutrition tolerance, and patients' quality of life. METHODS Forty patients with cancer receiving home enteral nutrition will be enrolled in this clinical trial and randomized to receive one capsule of Lactobacillus plantarum 299v (Sanprobi IBS®) twice a day or placebo for 12 weeks in a double-blind manner. Laboratory tests (the level of albumin, total protein, transferrin, and total lymphocyte count), anthropometric parameters (body mass, the content of fat mass, muscle mass, and total body water), Nutritional Risk Screening (NRS 2002), enteral nutrition tolerance as well as quality of life will be measured. Measurements will be obtained at the baseline and after 4 and 12 weeks of treatment. DISCUSSION The adverse events observed during administration of enteral nutrition have an negative impact on enteral formula tolerance and as a consequence patients' quality of life. The previous studies have demonstrated that probiotics may reduce the gastrointestinal symptoms related to enteral nutrition. Thus, administration of Lactobacillus plantarum 299v may be effective in improvement of nutritional status, enteral nutrition tolerance, and quality of life of cancer patients receiving home enteral nutrition. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT03940768 .
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Wang T, Teng K, Cao Y, Shi W, Xuan Z, Zhou J, Zhang J, Zhong J. Effects of Lactobacillus hilgardii 60TS-2, with or without homofermentative Lactobacillus plantarum B90, on the aerobic stability, fermentation quality and microbial community dynamics in sugarcane top silage. BIORESOURCE TECHNOLOGY 2020; 312:123600. [PMID: 32531735 DOI: 10.1016/j.biortech.2020.123600] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/25/2020] [Accepted: 05/27/2020] [Indexed: 06/11/2023]
Abstract
This study investigated the effects of Lactobacillus hilgardii (LH), alone or in combination with Lactobacillus plantarum (LP), on the aerobic stability, fermentation quality and dynamics of the bacterial and fungal communities of sugarcane top silage. Results demonstrated that LH and LHLP (LH combined with LP) improved the aerobic stability of sugarcane top silages. As the exposure time increased, the pH values and the contents of lactic acid, acetic acid, as well as propionic acid remained stable in silage treated with LH and LHLP. The abundance of L. hilgardii was enriched and the undesirable microorganisms, such as Acetobacter pasteurianus, Paenibacillus amylolyticus and yeasts like Kazachstania humilis, were suppressed in silages treated with LH and LHLP. In conclusion, LH-treated silage, whether with LP or not, positively impacted the fungal and bacterial microbes. This improved the quality of fermentation, the aerobic stability, and reduced aerobic spoilage in sugarcane top silage.
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Dushku E, Kotzamanidis C, Avgousti K, Zdragas A, Vafeas G, Giantzi V, Staikou A, Yiangou M. Listeria monocytogenes induced dysbiosis in snails and rebiosis achieved by administration of the gut commensal Lactobacillus plantarum Sgs14 strain. FISH & SHELLFISH IMMUNOLOGY 2020; 104:337-346. [PMID: 32540502 DOI: 10.1016/j.fsi.2020.04.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/14/2020] [Accepted: 04/18/2020] [Indexed: 06/11/2023]
Abstract
Listeria monocytogenes strains were isolated from Cornu aspersum maxima snails from farm units experiencing high mortalities and were characterized by phenotypic, molecular and biochemical criteria. A high heterogeneity was observed in the pulsed-field gel electrophoresis (PFGE) pulsotypes as well as in the virulence (13-100% mortality) among the fifteen L. monocytogenes strains. One strain was characterized as non-virulent while three strains exhibited hypervirulent phenotype. Hypervirulence activity was associated with cell surface properties such as hydrophobicity, autoaggregation and biofilm formation, with increased tolerance to snail's gut barriers such as pedal mucus, gastric mucus, gastric juices, and acidic pH as well as with increased capacity to resist the antibacterial activity of snail haemolymph and modulate immune cell populations and functions such as chemotaxis and phagocytoses. L. monocytogenes dysbiosis was characterized by a clinicopathological phenotype including immobilization of snails' headfoot outside the shell, increased mucus-secreting cells in the intestinal epithelium and feces, alteration of intestinal ridges morphology and excessive increase of haemolymph immune cells and cell death. Rebiosis in L. monocytogenes SN3 strain infected snails was achieved by dietary supplementation of the snail-gut commensal probiotic L. plantarum Sgs14 strain by exhibiting anti-Listeria activity, reducing mortality and clinicopathological manifestations as well as exhibiting immunomodulatory activity.
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Xu D, Ding Z, Bai J, Ke W, Zhang Y, Li F, Guo X. Evaluation of the effect of feruloyl esterase-producing Lactobacillus plantarum and cellulase pretreatments on lignocellulosic degradation and cellulose conversion of co-ensiled corn stalk and potato pulp. BIORESOURCE TECHNOLOGY 2020; 310:123476. [PMID: 32402987 DOI: 10.1016/j.biortech.2020.123476] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/29/2020] [Accepted: 04/30/2020] [Indexed: 06/11/2023]
Abstract
The effects of feruloyl esterase-producing Lactobacillus plantarum A1, cellulase, or their combination on the fermentation characteristics, carbohydrate composition, and enzymatic hydrolysis of mixed corn stalk and potato pulp silage were investigated. Two mixture ratios were used: a weight ratio of rehydrated corn stalk to potato pulp of 35:1 (HD) and a weight ratio of dry corn stalk to potato pulp of 5:11 (LD). No advantage was observed with the addition of strain A1 alone for lignocellulosic degradation and cellulose conversion, while its combination with cellulase enhanced the lignocellulosic degradation and preserved more fermentable carbohydrates in co-ensiled corn stalk and potato pulp. The enzymatic hydrolysis results indicated a potential benefit of pretreatment for biogas production, as the co-ensiled HD ratio mixture without additive treatment showed high glucose yield after enzymatic hydrolysis following 60 d of fermentation.
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Chen PT, Hong ZS, Cheng CL, Ng IS, Lo YC, Nagarajan D, Chang JS. Exploring fermentation strategies for enhanced lactic acid production with polyvinyl alcohol-immobilized Lactobacillus plantarum 23 using microalgae as feedstock. BIORESOURCE TECHNOLOGY 2020; 308:123266. [PMID: 32251855 DOI: 10.1016/j.biortech.2020.123266] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 03/26/2020] [Accepted: 03/27/2020] [Indexed: 06/11/2023]
Abstract
Lactic acid (LA) fermentation was conducted with suspended and immobilized cells of an isolated Lactobacillus plantarum 23 strain using various fermentation strategies. Glucose and an alternative, relatively inexpensive carbon source - the hydrolysate of microalga Chlorella vulgaris ESP-31, were used as the carbon source. Batch fermentation using immobilized cells of L. plantarum 23 could enhance LA titer and yield by 43% and 39%, respectively, when compared with the suspended culture. Fed-batch culture integrated with in situ LA removal via ion exchange raised LA productivity by 72% by overcoming product inhibition. The highest LA productivity from glucose with PVA immobilized cells was 14.22 g/L/h, achieved under continuous operation at 50% w/v loading of immobilized beads and hydraulic retention time (HRT) of 2 h. PVA immobilized L. plantarum 23 could also use microalgal hydrolysate as the renewable carbon source, and the highest LA productivity was 9.93 g/L/h under continuous fermentation at 4 h HRT.
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Ren H, Feng Y, Pei J, Li J, Wang Z, Fu S, Zheng Y, Li Z, Peng Z. Effects of Lactobacillus plantarum additive and temperature on the ensiling quality and microbial community dynamics of cauliflower leaf silages. BIORESOURCE TECHNOLOGY 2020; 307:123238. [PMID: 32247271 DOI: 10.1016/j.biortech.2020.123238] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 06/11/2023]
Abstract
In order to enable rapid disposal and proper preservation of discarded vegetable for waste valorization, ensiling was employed to preserve cauliflower leaves for 30 days at different temperatures (20 ~ 45 °C) with and without the addition of Lactobacillus plantarum L8. The L. plantarum inoculant reduced dry matter (DM) loss and enhanced the preservation of protein and soluble carbohydrate while decreasing pH and ammonia nitrogen content. The silages at 35 °C exhibited the best fermentation profile characterized by the highest lactic acid content (185 g·kg-1 DM) and the lowest pH (4.08) and ammonia nitrogen content (37.6 g·kg-1 total nitrogen) with L. plantarum inoculation. The presence of exogenous L. plantarum improved the silage fermentation, enriched Lactobacillus and Weissella, and reduced the microbial richness/diversity, resulting in efficient lactic acid fermentation, especially at 30 and 35 °C. Moreover, the microbial community dynamics was correlated with the chemical compositions and fermentation metabolites in silages.
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Kazuń B, Małaczewska J, Kazuń K, Kamiński R, Adamek-Urbańska D, Żylińska-Urban J. Dietary administration of β-1,3/1,6-glucan and Lactobacillus plantarum improves innate immune response and increases the number of intestine immune cells in roach (Rutilus rutilus). BMC Vet Res 2020; 16:216. [PMID: 32586321 PMCID: PMC7318362 DOI: 10.1186/s12917-020-02432-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 06/16/2020] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND The aim of the study has been to compare the effect of dietary supplementation of β-1,3/1,6-glucan, Lactobacillus plantarum bacteria or their mixture on the growth performance, selected parameters of the immune system as well as the liver and intestinal histology of roach. Fish were fed for 14 days with four different diets, each treatment being carried out in triplicate. In control group, fish were fed dry commercial starter feed Aller Performa 2 (Aller Aqua, Denmark). The other experimental fish groups received the same commercial starter feed supplemented with: 1% β-1,3/1,6-glucan (Leiber® Beta-S) in group G; 108 cfu L. plantarum g- 1 in group L; 1% β-1,3/1,6-glucan + 108 cfu L. plantarum g- 1 in group G + L. The stimulating effect of the tested preparations was evaluated once the feeding with commercial feed exclusively was resumed and 2 weeks afterwards. RESULTS No effect on the survivability and growth performance of the fish was observed in any of the groups. Supplementation of feed with β-1,3/1,6-glucan improved (P < 0.05) selected parameters of innate humoral immunity and the pinocytotic activity of phagocytes. Increased respiratory burst activity of head kidney phagocytes (RBA) was observed in groups L and G + L (P < 0.05), and the effect persisted for 2 weeks after the commercial feed regime was resumed. An analogous tendency was determined for the killing activity of phagocytes (PKA) of the head kidney with respect to Aeromonas hydrophila, although this effect appeared only during the feed supplementation period. Supplying roach with β-1,3/1,6-glucan, singly or with L. plantarum, had no effect (P > 0.05) on the proliferation of mitogen-activated lymphocytes. However, an increase in the number of CD3-positive cells and goblet cells was noticed in the digestive system of the L group fish (P < 0.05). CONCLUSIONS The results show that feeding fish with added L. plantarum and β-1,3/1,6-glucan stimulates the non-specific resistance mechanisms and raises the counts of intestinal immune cells. Synbiotic may help to control serious bacterial diseases and offer an alternative to antibiotics commonly used in fish farming, and its prolonged immunostimulatory effect could increase fish surviving after release to the natural environment.
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Huang CH, Chen CL, Chang SH, Tsai GJ. Evaluation of Antiobesity Activity of Soybean Meal Products Fermented by Lactobacillus plantarum FPS 2520 and Bacillus subtilis N1 in Rats Fed with High-Fat Diet. J Med Food 2020; 23:667-675. [PMID: 32286891 DOI: 10.1089/jmf.2019.4643] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Single strain or mixed strains of Lactobacillus plantarum FPS 2520 and Bacillus subtilis N1 were used to ferment soybean meal (SBM), and the antiobesity activity of the fermented SBM product was investigated in rats fed with high-fat diet (HFD). After fermentation, free amino nitrogen, total peptide, and isoflavone contents were markedly raised, and genistein and daidzein were the major isoflavones in the fermented SBM. After fed with HFD for 10 weeks, obese Sprague-Dawley rats were orally treated with various fermented products for 6 weeks. The body weight gains, as well as weights of abdominal fat and epididymis fat, of rats fed with fermented SBM products were significantly downregulated. The treatment with the mixed-strains fermented SBM product significantly decreased plasma levels of triglyceride (TG), total cholesterol (TC), and low-density lipoprotein-cholesterol, but increased the level of high-density lipoprotein-cholesterol. Moreover, the levels of TG, TC, fatty acid synthase, and acetyl-CoA carboxylase (ACC) in liver were diminished, and the activities of hormone-sensitive lipase and lipoprotein lipase in adipose tissue were augmented. Taken together, these data demonstrated the antiobesity activity of fermented SBM products, among which the product fermented by the mixed strains being the most effective one. Therefore, these fermented SBM products are potential to be developed as functional foods or additives for treatment of obesity and prevention against obesity-induced complications.
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Thompson HO, Önning G, Holmgren K, Strandler HS, Hultberg M. Fermentation of Cauliflower and White Beans with Lactobacillus plantarum - Impact on Levels of Riboflavin, Folate, Vitamin B 12, and Amino Acid Composition. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2020; 75:236-242. [PMID: 32144644 PMCID: PMC7266841 DOI: 10.1007/s11130-020-00806-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
As diets change in response to ethical, environmental, and health concerns surrounding meat consumption, fermentation has potential to improve the taste and nutritional qualities of plant-based foods. In this study, cauliflower, white beans, and a 50:50 cauliflower-white bean mixture were fermented using different strains of Lactobacillus plantarum. In all treatments containing cauliflower, the pH was reduced to <4 after 18 h, while treatments containing only white beans had an average pH of 4.8 after 18 h. Following fermentation, the riboflavin, folate, and vitamin B12 content of the cauliflower-white bean mixture was measured, and compared against that of an unfermented control. The riboflavin and folate content of the mixture increased significantly after fermentation. Relative to control samples, riboflavin increased by 76-113%, to 91.6 ± 0.6 μg/100 g fresh weight, and folate increased by 32-60%, to 58.8 ± 2.0 μg/100 g fresh weight. For one bacterial strain, L. plantarum 299, a significant 66% increase in vitamin B12 was observed, although the final amount (0.048 ± 0.013 μg/100 g fresh weight) was only a small fraction of recommended daily intake. Measurements of amino acid composition in the mixture revealed small increases in alanine, glycine, histidine, isoleucine, leucine, and valine in the fermented sample compared to the unfermented control.
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Mohammadi G, Rafiee G, Abdelrahman HA. Effects of dietary Lactobacillus plantarum (KC426951) in biofloc and stagnant-renewal culture systems on growth performance, mucosal parameters, and serum innate responses of Nile tilapia Oreochromis niloticus. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:1167-1181. [PMID: 32133574 DOI: 10.1007/s10695-020-00777-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 02/20/2020] [Indexed: 06/10/2023]
Abstract
Effects of dietary Lactobacillus plantarum (KC426951) on growth and innate responses of Nile tilapia Oreochromis niloticus were evaluated in biofloc technology system and stagnant-renewal culture system (SRCS). The 90-day-long experiment contained four treatments: SRCS without probiotic (T1), SRCS with probiotic (T2), biofloc without probiotic (T3), and biofloc with probiotic (T4). The administration dose of probiotic was 2 × 108 CFU kg-1 diet. At the end of experiment, the mean final weights, specific growth rates, feed conversion ratios, and total biomass were significantly (P < 0.05) better in BFT treatments, with no significant effect of probiotic on these parameters in both culture systems. Meanwhile, skin mucosal parameters including total protein (TP), lysozyme (LYZ), alkaline phosphatase (ALP), and protease (PRO) activity were significantly enhanced following probiotic supplementation. T4 treatment displayed a significantly higher LYZ and ALP activity in mucus versus other treatments. Also, serum alternative complement activity was significantly heightened in probiotic-supplemented fish. Superoxide dismutase activity in T4 was detected higher than that of SRCS groups. The results of the current study demonstrated the enhancement of some mucosal and serum innate responses of Nile tilapia in both culture systems upon L. plantarum (KC426951) supplementation.
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Kang MG, Han SW, Kang HR, Hong SJ, Kim DH, Choi JH. Probiotic NVP-1703 Alleviates Allergic Rhinitis by Inducing IL-10 Expression: A Four-week Clinical Trial. Nutrients 2020; 12:nu12051427. [PMID: 32429063 PMCID: PMC7284371 DOI: 10.3390/nu12051427] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/11/2020] [Accepted: 05/12/2020] [Indexed: 12/18/2022] Open
Abstract
Although several recent studies reported that probiotics might be beneficial for allergic rhinitis (AR), the effect of probiotics on AR is not consistent and have not been reproduced between studies. We aimed to determine the efficacy and safety of probiotic NVP-1703, a mixture of Bifidobacterium longum and Lactobacillus plantarum, in subjects with perennial AR. Adult subjects with perennial AR received either NVP-1703 (n = 47) or placebo (n = 48) for four weeks. Total nasal symptom scores (TNSS), rhinitis control assessment test (RCAT), blood eosinophil count, allergen-specific IgE, and immunological parameters in serum and urine were compared at baseline and after four weeks. TNSS changes from baseline at weeks 1, 3, and 4 were significant between the NVP-1703 and placebo groups (p = 0.033, 0.031, and 0.029, respectively). RCAT score showed significant differences between the NVP-1703 and placebo groups (p = 0.049) at week 4. Dermatophagoides farinae-specific IgE levels and serum IL-10 levels were significantly different between the NVP-1703 and placebo groups (p = 0.033 and p = 0.047, respectively). IL-10/IL-4 and IL-10/IL-13 ratios were different between the NVP-1703 and placebo groups at week 4 (p = 0.046 and 0.018, respectively). NVP-1703 treatment reduced urinary prostaglandin F2α and leukotriene E4 levels (p > 0.05). Therefore, NVP-1703 can be treatment option for perennial AR.
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