28 research outputs found

    Probiotyki jako eksperymentalna metoda zapobiegania otyłości: wpływ liczby podawanych szczepów bakteryjnych i ich żywotności

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    Introduction: a comparative animal study of the efficacy of intermittent short-course administration of lyophilised single-, three-, and live multistrain probiotic on obesity. Methods: We included 70 rats divided into seven groups (n = 10 in each). Rats of group I were intact. Newborn rats of groups II–VII were injected with monosodium glutamate (MSG) (4 mg/g). Rats of group II (MSG-obesity group) were untreated. The group III-V received lyophilised monoprobiotics B. animalis VKL, B. animalis VKB, and L. casei IMVB-7280, respectively. Group VI received the mix of these three probiotic strains. Group VII was treated with multiprobiotic “Symbiter”, which contains 14 live probiotic strains (Lactobacillus, Bifi­dobacterium, Propionibacterium, Acetobacter genera). Results: Neonatal treatment with MSG caused stunted growth, which is why, despite the lack of weight gain dynamics and absence of significant food consumption rate and body weight changes at day 120, we noted the development of obesity in all MSG-obesity rats and in up to 20–70% after probiotic administration. Supplementation of probiotic composition, with preference to live strains, led to a significantly lower prevalence of obesity, and reduction of VAT weight and serum lipid levels as compared to single-strain probiotic. In our comparative single-strain analysis a trend towards more pronounced hypolipidaemic effect and VAT weight reduction was observed for lyophilised L. casei IMVB-7280 as compared to B. animalis VKL and VKB strains. Conclusions: Multistrain formed mutualistic interactions in mixtures and therefore able to share with different metabolites, affect differ­ent receptors and produced various of biologically active compounds which synergistic overall effect greater than the sum of the single effects.  Wstęp: Badania porównawcze na zwierzętach oceniające skuteczność w zapobieganiu otyłości podawania w krótkotrwałych cyklach liofilizowanych preparatów zawierających jeden, trzy lub więcej żywych szczepów probiotycznych. Materiał i metody: Do badania włączono 70 szczurów podzielonych na 7 grup (n = 10 w każdej grupie). Szczury w grupie I nie zostały poddane żadnej interwencji. Noworodkom szczurów w grupach II–VII wstrzyknięto glutaminian jednosodowy (monosodium glutamate, MSG) (4 mg/g). U szczurów z grupy II (z otyłością indukowaną MSG) niż stosowano żadnego leczenia. Szczury w grupach III–V otrzy­mywały liofilizowane probiotyki, odpowiednio B. animalis VKL, B. animalis VKB i L. casei IMVB-7280. Grupie VI podawano mieszankę tych trzech szczepów. W grupie VII stosowano wieloskładnikowy preparat probiotyczny „Symbiter” zawierający 14 żywych szczepów (Lactobacillus, Bifidobacterium, Propionibacterium, Acetobacter). Wyniki: Podanie szczurzym noworodkom MSG spowodowało zahamowanie wzrostu, jednak mimo wolniejszego przyrostu masy ciała i braku istotnych zmian wielkości spożycia karmy i masy ciała po 120 dniach zaobserwowano rozwój otyłości u wszystkich szczurów z otyłością indukowaną MSG i u 20–70% zwierząt otrzymujących probiotyki. Podawanie kompozycji probiotyków, szczególnie żywych szczepów, prowadzi do istotnego zmniejszenia częstości występowania otyłości, ilości tkanki tłuszczowej trzewnej i stężania lipidów w surowicy w porównaniu ze stosowaniem preparatów jednoszczepowych. W analizie porównawczej preparatów jednoskładniko­wych stwierdzono tendencję w kierunku silniejszego działania hipolipemicznego i większej redukcji tkanki tłuszczowej trzewnej w przypadku liofilizowanego szczepu L. casei IMVB-7280 niż szczepów B. animalis VKL i VKB. Wnioski: W preparatach wieloszczepowych powstają wzajemne interakcje umożliwiające wymianę różnych metabolitów, wpływ na różne receptory i produkcję różnych biologicznie czynnych cząsteczek, których ogólny efekt synergistyczny jest większy niż suma efektów jednostkowych.

    Probiotics and smectite absorbent gel formulation reduce liver stiffness, transaminase and cytokine levels in NAFLD associated with type 2 diabetes: a randomized clinical study

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    Introduction. In double-blind single center randomized clinical trial (RCT), the efficacy of alive probiotics sup­plementation with smectite gel vs. placebo in type 2 diabetes patient with non-alcoholic fatty liver disease (NAFLD) detected on ultrasonography (US) were studied. Material and methods. A total of 50 patients met the criteria for inclusion. They were randomly assigned to receive Symbiter Forte combination of probiotic biomass with smectite gel (250 mg) or placebo for 8-weeks. The primary main outcomes were the change in fatty liver index (FLI) and liver stiffness (LS) meas­ured by shear wave elastography (SWE). Secondary outcomes were the changes in transaminases activity, serum lipids and cytokines levels. Results. All subjects completed the study and received more than 90% of prescribed sachets. In respect to our primary endpoints, FLI and LS insignificant de­crease in both interventional and placebo groups. However, when we compare mean changes across groups from baseline, expressed in absolute values, the reduction of both LS (–0.254 ± 0.85 vs. 0.262 ± 0.77; p = 0.031) were observed. Analysis of sec­ondary outcomes showed that co-administration of probiotic with smectite lead to significant reduction of alanine aminotransferase (ALT), aspartate amino­transferase (AST), total cholesterol, IL-1b, and tumor necrosis factor (TNF-a) after 8 weeks. Conclusion. In this RCT, we confirmed previously re­ported animal data, showing that co-administration of probiotic with smectite manifested with reduction of LS, liver transaminases and chronic systemic inflam­mation

    Hepatic steatosis indices as predictors of vitamin D3 deficiency in patients with NAFLD associated with type 2 diabetes

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    Background. Recently, vitamin D3 deficiency is considered one of the factors associated with the development of non-alcoholic fatty liver disease (NAFLD). The aim was to evaluate steatosis indices and metabolic parameters in NAFLD depending on vitamin D3 status. Methods. According to the recommendations of the European Society of Endocrinology, all patients were divided into 3 groups: group 1 — with an optimal level of vitamin D3 (30 ng/mL); group 2 — vitamin D3 insufficiency (21–29 ng/mL) and group 3 — vitamin D3 deficiency (< 20 ng/mL). Results. The study included 126 T2D patients with NAFLD diagnosed with ultrasound. The highest hepatic steatosis (HSI) and fatty liver (FLI) index values were diagnosed in vitamin D3 deficiency as compared to optimal group (HSI — 43.34 ± 6.59 vs. 39.67 ± 4.37; P = 0.032 and FLI — 79.21 ± 19.61 vs. 64.96 ± 17.72; P = 0.007). Triglyceride and glucose index (TyG) also were insignificantly elevated parallel to vitamin D3 status worsened (P = 0.175). In multivariate logistic regression analysis all steatosis indices were independent from transaminases activity, body mass index (BMI) and T2D duration associated with vitamin D3 deficiency. Conclusions. Hepatic steatosis indices (HSI, FLI and TyG) independently from anthropometric parameters and transaminase activity associated with D3 deficiency in NAFLD patient

    Hepatic steatosis indices as predictors of vitamin D3 deficiency in patients with NAFLD associated with type 2 diabetes

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    Background. Recently, vitamin D3 deficiency is considered one of the factors associated with the development of non-alcoholic fatty liver disease (NAFLD). The aim was to evaluate steatosis indices and metabolic parameters in NAFLD depending on vitamin D3 status. Methods. According to the recommendations of the European Society of Endocrinology, all patients were divided into 3 groups: group 1 — with an optimal level of vitamin D3 (30 ng/mL); group 2 — vitamin D3 insufficiency (21–29 ng/mL) and group 3 — vitamin D3 deficiency (< 20 ng/mL). Results. The study included 126 T2D patients with NAFLD diagnosed with ultrasound. The highest hepatic steatosis (HSI) and fatty liver (FLI) index values were diagnosed in vitamin D3 deficiency as compared to optimal group (HSI — 43.34 ± 6.59 vs. 39.67 ± 4.37; P = 0.032 and FLI — 79.21 ± 19.61 vs. 64.96 ± 17.72; P = 0.007). Triglyceride and glucose index (TyG) also were insignificantly elevated parallel to vitamin D3 status worsened (P = 0.175). In multivariate logistic regression analysis all steatosis indices were independent from transaminases activity, body mass index (BMI) and T2D duration associated with vitamin D3 deficiency. Conclusions. Hepatic steatosis indices (HSI, FLI and TyG) independently from anthropometric parameters and transaminase activity associated with D3 deficiency in NAFLD patient

    Probiotics and smectite absorbent gel formulation reduce liver stiffness, transaminase and cytokine levels in NAFLD associated with type 2 diabetes: a randomized clinical study

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    Introduction. In double-blind single center randomized clinical trial (RCT), the efficacy of alive probiotics sup­plementation with smectite gel vs. placebo in type 2 diabetes patient with non-alcoholic fatty liver disease (NAFLD) detected on ultrasonography (US) were studied. Material and methods. A total of 50 patients met the criteria for inclusion. They were randomly assigned to receive Symbiter Forte combination of probiotic biomass with smectite gel (250 mg) or placebo for 8-weeks. The primary main outcomes were the change in fatty liver index (FLI) and liver stiffness (LS) meas­ured by shear wave elastography (SWE). Secondary outcomes were the changes in transaminases activity, serum lipids and cytokines levels. Results. All subjects completed the study and received more than 90% of prescribed sachets. In respect to our primary endpoints, FLI and LS insignificant de­crease in both interventional and placebo groups. However, when we compare mean changes across groups from baseline, expressed in absolute values, the reduction of both LS (–0.254 ± 0.85 vs. 0.262 ± 0.77; p = 0.031) were observed. Analysis of sec­ondary outcomes showed that co-administration of probiotic with smectite lead to significant reduction of alanine aminotransferase (ALT), aspartate amino­transferase (AST), total cholesterol, IL-1b, and tumor necrosis factor (TNF-a) after 8 weeks. Conclusion. In this RCT, we confirmed previously re­ported animal data, showing that co-administration of probiotic with smectite manifested with reduction of LS, liver transaminases and chronic systemic inflam­mation

    Wpływ Z56822977 na biosyntezę serotoniny w mózgu szczurów z otyłością wywołaną przez podawanie glutaminianu sodu

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    Wstęp: Badanie przeprowadzono w celu wyjaśnienia wpływu Z56822977 na biosyntezę serotoniny w mózgu szczurów z otyłością wy­wołaną podawaniem glutaminianu sodu (monosodium glutamate, MSG). Materiał i metody: W badaniu wykorzystano 18 samców szczura. Zwierzęta podzielono na trzy grupy: 1 — grupa kontrolna, 2 — grupa MSG, 3 — grupa MSG + Z56822977. Szczurzym oseskom w grupie 2 i 3 podawano podskórnie MSG rozpuszczony w soli fizjologicznej w dawce 4 mg/g masy ciała w objętości 8 μl/g w 2., 4., 6., 8. i 10. dniu życia. Grupie 3 podawano doustnie wodny roztwór Z56822977 w dawce 25 mg/kg w objętości 1 ml/kg. Pierwszą dawkę Z56822977 podawano po ukończeniu 4 tygodni życia, a następnie kontynuowa­no podawanie badanej substancji cyklicznie wedlug schematu tydzień podawania substancji badanej/3 tygodnie przerwy. Zwierzętom z grupy MSG podawano odpowiednio 1 ml/kg wody doustnie. Przez pierwsze 4 miesiące życia szczury otrzymywały standardową karmę. Zmierzono zawartość serotoniny, tryptofanu i 5-hydroksytryptofanu (5-HTr) oraz aktywność hydroksylazy tryptofanowej (tryptophan hydroxylase, TRH), dekarboksylazy aminokwasów (amino acid decarboxylase, AADC) i monoaminooksydazy (MAO) w tkance mózgowej. Wyniki: Wykazano, że podawanie Z56822977 ma pozytywny wpływ na główne wskaźniki otyłości, co odzwierciedlają zmiany podsta­wowych parametrów fizjologicznych i biochemicznych [zmniejszenie masy ciała o 13% vs. MSG (p &lt; 0,05); zmniejszenie wskaźnika masy ciała (body mass index, BMI), wskaźnika Lee oraz masy tkanki tłuszczowej trzewnej odpowiednio o 18%, 7% i 55%, (p &lt; 0,05) w porównaniu z grupą MSG]. Zawartość tryptofanu i serotoniny była istotnie niższa (p &lt; 0,05) u szczurów z otyłością wywołaną przez MSG. W badaniach wykazano, że u otyłych szczurów aktywność MAO zwiększa się o 97% (p &lt; 0,05), a aktywność TRH i AADC odpowiednio o 44% i 53% (p &lt; 0,05). Podawanie Z56822977 powodowało zwiększenie zawartości serotoniny i tryptofanu w mózgach szczurów i przywracało poziom aktywności enzymów (MAO, TRH, AADC) do wartości mierzonych u zwierząt kontrolnych. Wnioski: Wiadomo, że otyłość wiąże się z zaburzeniem syntezy serotoniny w mózgu szczurów. Jednak podawanie Z56822977 prowadzi do normalizacji stężenia serotoniny i tryptofanu oraz przywrócenia prawidłowej aktywności enzymów uczestniczących w biosynte­zie i degradacji serotoniny. Podawanie Z56822977, cząsteczki wpływającej na układ serotoninergiczny, może powodować korzystne efekty w leczeniu otyłości wywołanej przez MSG u szczurów. Można rozważać zastosowanie cząsteczki Z56822977 jako nowego leku stosowanego w otyłości, jednak konieczne są dalsze badania w celu potwierdzenia jej działania

    Efficacy of Probiotics and Smectite in Rats with Non-Alcoholic Fatty Liver Disease

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    Introduction and aim. Today probiotics have been suggested as a treatment for the prevention of non-alcoholic fatty liver disease (NAFLD). Smectite is a natural silicate that binds to digestive mucous and has the ability to bind endo- and exotoxins. The present study was designed to determine whether probiotics plus smectite is superior to probiotic alone on the monosodium glutamate (MSG) induced NAFLD model in rats.Materials and methods. We included 60 rats divided into 4 groups 15 animals in each. Rats of group I were intact. Newborns rats of groups II-IV were injected with MSG. The III (Symbiter) group received 2.5 ml/kg of multiprobiotic “Symbiter” containing concentrated biomass of 14 probiotic bacteria genera. The IV (Symbiter+Smectite) groups received “Symbiter Forte” combination of probiotic biomass with smectite gel (250 mg).Results. In both interventional groups reduction of total NAS score as compared to MSG-obesity was observed. Indeed similar values of steatosis score (0.93 ± 0.22 vs. 0.87 ± 0.16) in both treatment groups, we observed that lower total score for Symbiter+ Smectite are associated with more pronounced reduction of lobular inflammation (0.13 ± 0.09 vs. 0.33 ± 0.15) as compared to administration of probiotic alone. This data accompanied with significant reduction of IL-1 and restoration of IL-10 between these 2 groups.Conclusions. Additional to alive probiotic administration of smectite gel due to his absorbent activity and mucus layer stabilization properties can impact on synergistic enhancement of single effect which manifested with reduction of lobular inflammation and at list partly steatohepatitis prevention

    Multiprobiotic therapy from childhood prevents the development of nonalcoholic fatty liver disease in adult monosodium glutamate-induced obese rats

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    Considering the association between microflora and obesity, and the significantly higher prevalence of non-alcoholic fatty liver disease (NAFLD) in obese people, the aim of our study was to investigate the preventive effect of multiprobiotics on the monosodium glutamate (MSG) induced NAFLD model, in rats. The work was carried out on 60 rats placed into three groups: the Control group, the MSG-group and the MSG-probiotic group. The MSG-group and the MSG-probiotic group were injected with 4 mg/g of MSG subcutaneously neonatally on the 2nd-10th days of life. The MSG-probiotic rats were also treated with 140 mg/kg of multiprobiotic “Symbiter” from the 4th week of life. In the 4-month-old rats, biochemical and morphological changes in liver were assessed, and steatosis was confirmed by the NAFLD activity score (NAS). Our results reveal that the multiprobiotic lowered total NAS, the degree of steatosis and the liver lobular inflammation caused by MSG. It also brought about decreased liver total lipids and triglycerids content, as well as decreased visceral adipose tissue mass. However, there was no difference in the liver serum biochemical indicators between all experimental groups. The obtained data does suggest the efficacy of probiotics in the prevention of NAFLD
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