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1.
Food Funct ; 2024 Jul 19.
Artículo en Inglés | MEDLINE | ID: mdl-39028146

RESUMEN

The purpose of this study was to evaluate the effects of known probiotic species Lactiplantibacillus plantarum CCFM1214 and Ligilactobacillus salivarius CCFM1215 on halitosis, the oral status, and the oral microbiome. In a double-blind, randomized controlled trial that lasted for five weeks, 43 participants were divided into an oral probiotics group and a control group and given probiotics or control powder for the first four weeks, with the fifth week being the discontinuation period. 33 participants (probiotics group = 21, control group = 12) completed the entire experiment in the end. Oral samples were taken as part of oral health examinations during the baseline period (day 0) and four weeks after (day 28). The nucleotide sequence of the V3-V4 region of 16S rRNA was determined to examine the impact of intervention and time on the oral microbiome. The effects of L. plantarum CCFM1214 and L. salivarius CCFM1215 on the number of Fusobacterium nucleatum in gingival crevicular fluid (GCF) samples of participants were detected by quantitative PCR. After the intervention, L. plantarum CCFM1214 and L. salivarius CCFM1215 significantly reduced the levels of volatile sulfur compounds (VSCs) and the quantity of F. nucleatum in GCF samples, where the average DNA copy number per ng (log) of F. nucleatum decreased from 7.12 ± 0.04 to 6.01 ± 0.09. The ß diversity of the probiotics group, on the whole, tended to be more concentrated and stable after the intervention. In addition, after probiotic intervention, the abundance of Lactobacillus and Bifidobacterium increased, while the abundance of Fusobacterium, Acinetobacter, Porphyromonas, and Aggregatibacter decreased significantly. In general, L. plantarum CCFM1214 and L. salivarius CCFM1215 can alleviate halitosis and considerably lower the value of VSCs and improve the oral microbiota in participants with halitosis.

2.
Int Immunopharmacol ; 138: 112545, 2024 Sep 10.
Artículo en Inglés | MEDLINE | ID: mdl-38955026

RESUMEN

Neuroinflammation, characterized by microglial activation and the release of multiple inflammatory mediators, is a key factor in acute glaucomatous injury leading to retinal ganglion cell (RGC) death and ultimately irreversible vision loss. Irisin, a novel exercise-induced myokine, has demonstrated anti-inflammatory activity in ischemia/reperfusion injuries across multiple organs and has displayed a significant neuroprotective role in experimental stroke disease models. This study examined the protective impact of irisin and investigated its potential mechanism involved in this process utilizing an acute ocular hypertension (AOH)-induced retinal injury model in mice and a microglia inflammation model induced by lipopolysaccharide (LPS). There was a transient downregulation of irisin in the retina after AOH injury, with parallel emergence of retinal neuroinflammation and RGC death. Irisin attenuated retinal and optic nerve damage and promotes the phenotypic conversion of microglia from M1 to M2. Mechanistically, irisin significantly upregulated the expression of integrin αVß5, p-AMPK, and autophagy-related markers. Integrin αVß5 was highly expressed on microglia but hardly expressed on RGC. The integrin αVß5 inhibitor cilengitide, the AMPK inhibitor dorsomorphin, and the autophagy inhibitor 3-Methyladenine (3-MA) blocked the neuroprotective effects of irisin. Our results suggest irisin attenuates acute glaucoma-induced neuroinflammation and RGC death by activating integrin αVß5/AMPK in microglia and promoting autophagy. It should be considered a potential neuroprotective therapy for acute glaucoma.


Asunto(s)
Proteínas Quinasas Activadas por AMP , Autofagia , Fibronectinas , Glaucoma , Microglía , Enfermedades Neuroinflamatorias , Receptores de Vitronectina , Animales , Masculino , Ratones , Proteínas Quinasas Activadas por AMP/metabolismo , Autofagia/efectos de los fármacos , Modelos Animales de Enfermedad , Fibronectinas/metabolismo , Glaucoma/tratamiento farmacológico , Glaucoma/inmunología , Glaucoma/metabolismo , Lipopolisacáridos , Ratones Endogámicos C57BL , Microglía/efectos de los fármacos , Microglía/metabolismo , Microglía/inmunología , Enfermedades Neuroinflamatorias/tratamiento farmacológico , Enfermedades Neuroinflamatorias/inmunología , Enfermedades Neuroinflamatorias/etiología , Fármacos Neuroprotectores/farmacología , Fármacos Neuroprotectores/uso terapéutico , Hipertensión Ocular/tratamiento farmacológico , Hipertensión Ocular/metabolismo , Receptores de Vitronectina/metabolismo , Células Ganglionares de la Retina/efectos de los fármacos , Células Ganglionares de la Retina/patología , Células Ganglionares de la Retina/metabolismo
3.
Front Cell Dev Biol ; 12: 1335028, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38887521

RESUMEN

Introduction: Epidemiological evidence over the last few decades has consistently shown that exposure to endocrine-disrupting chemicals (EDCs) is associated with adverse reproductive health outcomes, including male and female infertility, poor-pregnancy outcomes, and increased risk of diseases in childhood and beyond. To investigate the effects of EDCs and lifestyle on all aspects of reproduction (including early oocyte development, fertilization, embryo development, embryo implantation, abortion, and preterm birth). Methods: We performed this cohort study on patients receiving in vitro fertilization (IVF) treatment. Biological samples including urine, serum, follicular fluid, semen, fetal tissue, decidua, and placenta, were obtained. Results: By studying the correlations between reproductive outcomes and environmental pollutant exposure and lifestyle, we determined the toxicological mechanisms and health effects of EDCs on female reproductive health. We found that higher concentrations of per- and polyfluoroalkyl substances were correlated with polycystic ovary syndrome (PCOS). Using specific biomarkers, we also detected the concentrations of organophosphorus flame retardants (OPFRs) in urine and found that OPFRs may disrupt hormone homeostasis. Discussion: All of these results reveal EDCs may disrupt female reproduction.

4.
Food Funct ; 15(14): 7441-7451, 2024 Jul 15.
Artículo en Inglés | MEDLINE | ID: mdl-38904342

RESUMEN

Liver injury is a life-threatening condition, and the hepatoprotective potential of cyanidin-3-glucoside (C3G) has been previously demonstrated. However, due to the low bioavailability, it has been doubtful that relatively low concentrations of intact C3G in vivo could account for these bioactivities. In this study, the hepatoprotective effects of intragastric and intravenous administration of C3G were investigated in a CCl4 induced liver injury model. Intragastric C3G administration was more effective than intravenous C3G injection in reducing serum damage biomarkers, oxidative stress, and inflammatory responses, indicating that absorption of C3G into the bloodstream does not fully account for its observed benefits in vivo. Furthermore, intragastric C3G administration modulated the gut microbiota structure and increased the contents of five metabolites in the feces and serum with high inter-individual variation, indicating the key role of the interaction between C3G and the gut microbiota. At equivalent doses, the metabolites cyanidin and protocatechuic acid exhibited greater efficacy than C3G in reducing apoptosis and ROS production by activating the Nrf2 pathway in an AAPH-induced oxidative stress model. To achieve the desired health effects via C3G-rich food intake, more attention should be paid to microbially derived catabolites. Screening of specific metabolite-producing strains will help overcome individual differences and enhance the health-promoting effects of C3G.


Asunto(s)
Antocianinas , Microbioma Gastrointestinal , Glucósidos , Estrés Oxidativo , Microbioma Gastrointestinal/efectos de los fármacos , Antocianinas/farmacología , Antocianinas/administración & dosificación , Animales , Glucósidos/farmacología , Glucósidos/administración & dosificación , Masculino , Estrés Oxidativo/efectos de los fármacos , Hígado/metabolismo , Hígado/efectos de los fármacos , Ratas , Enfermedad Hepática Inducida por Sustancias y Drogas/prevención & control , Ratones , Sustancias Protectoras/farmacología , Sustancias Protectoras/administración & dosificación , Ratas Sprague-Dawley , Administración Intravenosa
5.
Crit Rev Food Sci Nutr ; : 1-23, 2024 Jun 28.
Artículo en Inglés | MEDLINE | ID: mdl-38940319

RESUMEN

Mounting evidence implicates the gut microbiota as a possible key susceptibility factor for atherosclerosis (AS). The employment of dietary phytochemicals that strive to target the gut microbiota has gained scientific support for treating AS. This study conducted a general overview of the links between the gut microbiota and AS, and summarized available evidence that dietary phytochemicals improve AS via manipulating gut microbiota. Then, the microbial metabolism of several dietary phytochemicals was summarized, along with a discussion on the metabolites formed and the biotransformation pathways involving key gut bacteria and enzymes. This study additionally focused on the anti-atherosclerotic potential of representative metabolites from dietary phytochemicals, and investigated their underlying molecular mechanisms. In summary, microbiota-dependent dietary phytochemical therapy is a promising strategy for AS management, and knowledge of "phytochemical-microbiota-biotransformation" may be a breakthrough in the search for novel anti-atherogenic agents.

6.
BMJ Open ; 14(6): e086489, 2024 Jun 25.
Artículo en Inglés | MEDLINE | ID: mdl-38925704

RESUMEN

INTRODUCTION: Depression is a major global health problem, with high prevalence rates of depressive symptoms observed among the elderly population in China, particularly exacerbating in rural areas. Due to a lack of professional mental health training and inadequate psychotherapy capacity within primary medical staff, rural elderly individuals grappling with depressive symptoms often encounter challenges in receiving timely diagnosis and treatment. In this landscape, the modified behavioural activation treatment (MBAT) emerges as a promising approach due to its practicality, ease of therapist training and application, patient acceptability, and broad applicability. However, existing evidence for MBAT mainly hails from developed countries, leaving a gap in its adaptation and implementation within rural China. This study aims to develop an MBAT training programme for primary medical staff to manage depressive symptoms among rural elderly and evaluate its effectiveness. METHODS AND ANALYSIS: A cluster randomised controlled trial will be conducted in 10 randomly selected township hospitals in Lengshuijiang and Lianyuan, Hunan Province. We aim to recruit 150 participants, with 5 township hospitals selected for each group, each consisting of 15 participants. The intervention group will implement the MBAT training programme, while the control group will receive usual care training programme. Depressive symptoms, psychosocial functioning, quality of life and satisfaction will be measured at baseline, immediately post-intervention, and at 3 and 6 months post-intervention. Effectiveness will be assessed using linear or generalised linear mixed models. ETHICS AND DISSEMINATION: This study has obtained approval from the Institutional Review Board of the Third Xiangya Hospital, Centre South University (No.: 2022-S261). Results will be disseminated through publication in international peer-reviewed journals and presentations at national and international conferences. TRIAL REGISTRATION NUMBER: ChiCTR2300074544.


Asunto(s)
Depresión , Población Rural , Humanos , China , Depresión/terapia , Anciano , Ensayos Clínicos Controlados Aleatorios como Asunto , Femenino , Masculino , Calidad de Vida , Personal de Salud/educación , Personal de Salud/psicología , Terapia Conductista/métodos , Atención Primaria de Salud
7.
Front Med (Lausanne) ; 11: 1427623, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38818400

RESUMEN

[This corrects the article DOI: 10.3389/fmed.2024.1353624.].

8.
Arch Gerontol Geriatr ; 124: 105470, 2024 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-38718487

RESUMEN

BACKGROUND: Maintaining physical function is critical for older adults to achieve healthy aging. The Otago exercise program (OEP) has been widely used to prevent falls for older adults. However, the effects of OEP on physical function remain controversial and the possible effects modifiers have not been assessed. OBJECTIVE: To evaluate the effects of OEP on physical function in older adults and to explore potential moderators underlying the effects of OEP. METHODS: We searched five electronic databases and relevant systematic reviews to identify studies. We included randomized controlled trials (RCTs) evaluating the effects of OEP as a single intervention on physical function among older adults aged 65 and over. Meta-analysis was performed using the random-effects model. Standardized mean differences (SMD) for physical function changes, pertinent to balance, strength, and mobility, were outcome measures. Subgroup analyses on exercise protocol and participants' characteristics were performed. RESULTS: Thirteen RCTs consisting of 2402 participants were included in this systematic review and meta-analysis. Results indicated a significant effect of OEP on balance (SMD = 0.59, 95 % CI: 0.22∼0.96), lower body strength (SMD = 0.93, 95 % CI: 0.31∼1.55), and mobility (SMD = -0.59, 95 % CI: -0.95∼-0.22) against control groups. No significant OEP effects were found on upper body strength (MD = 1.48, 95 % CI: -0.58∼3.55). Subgroup analysis revealed that the video-supported delivery mode was more effective for improving balance (P = 0.04) and mobility (P = 0.02) than the face-to-face mode. Session durations over 30 min was more effective on lower body strength (P < 0.001) and mobility (P < 0.001) than those 1-30 min. Program period of 13-26 weeks was more effective on mobility (P = 0.02) than those of 4-12 weeks. However, the effects of OEP on physical function were not associated with age groups, and baseline falling risks. CONCLUSION: The OEP could improve physical function including balance, lower body strength, and mobility in older adults. Implementing the OEP in video-supported, more than 30 min per session and 4-12 weeks may be the most appropriate and effective exercise protocol for improving physical function among older adults. More RCTs with rigorous design and larger scale are needed to further assess the effectiveness of diverse OEP protocols and quantify the dose-effect relationship.


Asunto(s)
Accidentes por Caídas , Terapia por Ejercicio , Equilibrio Postural , Ensayos Clínicos Controlados Aleatorios como Asunto , Humanos , Anciano , Equilibrio Postural/fisiología , Accidentes por Caídas/prevención & control , Terapia por Ejercicio/métodos , Fuerza Muscular/fisiología , Ejercicio Físico/fisiología , Masculino , Anciano de 80 o más Años , Femenino
9.
J Agric Food Chem ; 72(20): 11493-11502, 2024 May 22.
Artículo en Inglés | MEDLINE | ID: mdl-38738816

RESUMEN

Cacumen platycladi (CP) is a frequently used traditional Chinese medicine to treat hair loss. In this study, CP fermented by Lactiplantibacillus plantarum CCFM1348 increased the proliferation of human dermal papilla cells. In an in vivo assay, compared to nonfermented CP, postbiotics (fermented CP) and synbiotics (live bacteria with nonfermented CP) promoted hair growth in mice. The Wnt/ß-catenin signaling pathway plays crucial roles in the development of hair follicles, including growth cycle restart and maintenance. Both postbiotics and synbiotics upregulated ß-catenin, a major factor of the Wnt/ß-catenin signaling pathway. Postbiotics and synbiotics also increased the vascular endothelial growth factor expression and decreased the BAX/Bcl2 ratio in the dorsal skin of mice. These results suggest that fermented CP by L. plantarum CCFM1348 may promote hair growth through regulating the Wnt/ß-catenin signaling pathway, promoting the expression of growth factors and reducing apoptosis.


Asunto(s)
Cabello , Vía de Señalización Wnt , Animales , Ratones , Cabello/metabolismo , Cabello/crecimiento & desarrollo , Cabello/química , Humanos , Vía de Señalización Wnt/efectos de los fármacos , Biotransformación , Fermentación , beta Catenina/metabolismo , beta Catenina/genética , Masculino , Extractos Vegetales/metabolismo , Extractos Vegetales/farmacología , Extractos Vegetales/química , Folículo Piloso/metabolismo , Folículo Piloso/crecimiento & desarrollo , Proliferación Celular/efectos de los fármacos , Apoptosis/efectos de los fármacos , Lactobacillus plantarum/metabolismo , Lactobacillus plantarum/crecimiento & desarrollo
10.
Front Med (Lausanne) ; 11: 1353624, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38585147

RESUMEN

In the field of eye health, the profound impact of exercise and physical activity on various ocular diseases has become a focal point of attention. This review summarizes and elucidates the positive effects of exercise and physical activities on common ocular diseases, including dry eye disease (DED), cataracts, myopia, glaucoma, diabetic retinopathy (DR), and age-related macular degeneration (AMD). It also catalogues and offers exercise recommendations based on the varying impacts that different types and intensities of physical activities may have on specific eye conditions. Beyond correlations, this review also compiles potential mechanisms through which exercise and physical activity beneficially affect eye health. From mitigating ocular oxidative stress and inflammatory responses, reducing intraocular pressure, enhancing mitochondrial function, to promoting ocular blood circulation and the release of protective factors, the complex biological effects triggered by exercise and physical activities reveal their substantial potential in preventing and even assisting in the treatment of ocular diseases. This review aims not only to foster awareness and appreciation for how exercise and physical activity can improve eye health but also to serve as a catalyst for further exploration into the specific mechanisms and key targets through which exercise impacts ocular health. Such inquiries are crucial for advancing innovative strategies for the treatment of eye diseases, thereby holding significant implications for the development of new therapeutic approaches.

11.
World J Microbiol Biotechnol ; 40(4): 117, 2024 Mar 02.
Artículo en Inglés | MEDLINE | ID: mdl-38429597

RESUMEN

Biofilm, a microbial community formed by especially pathogenic and spoilage bacterial species, is a critical problem in the food industries. It is an important cause of continued contamination by foodborne pathogenic bacteria. Therefore, removing biofilm is the key to solving the high pollution caused by foodborne pathogenic bacteria in the food industry. Lactobacillus, a commonly recognized probiotic that is healthy for consumer, have been proven useful for isolating the potential biofilm inhibitors. However, the addition of surface components and metabolites of Lactobacillus is not a current widely adopted biofilm control strategy at present. This review focuses on the effects and preliminary mechanism of action on biofilm inhibition of Lactobacillus-derived components including lipoteichoic acid, exopolysaccharides, bacteriocins, secreted protein, organic acids and some new identified molecules. Further, the review discusses several modern biofilm identification techniques and particularly interesting new technology of biofilm inhibition molecules. These molecules exhibit stronger inhibition of biofilm formation, playing a pivotal role in food preservation and storage. Overall, this review article discusses the application of biofilm inhibitors produced by Lactobacillus, which would greatly aid efforts to eradicate undesirable bacteria from environment in the food industries.


Asunto(s)
Bacteriocinas , Lactobacillus , Lactobacillus/metabolismo , Industria de Alimentos , Industria de Procesamiento de Alimentos , Bacteriocinas/farmacología , Bacteriocinas/metabolismo , Biopelículas
12.
Biomolecules ; 14(2)2024 Feb 18.
Artículo en Inglés | MEDLINE | ID: mdl-38397477

RESUMEN

The vaginal epithelial barrier, which integrates mechanical, immune, chemical, and microbial defenses, is pivotal in safeguarding against external pathogens and upholding the vaginal microecological equilibrium. Although the widely used metronidazole effectively curtails Gardnerella vaginalis, a key pathogen in bacterial vaginosis, it falls short in restoring the vaginal barrier or reducing recurrence rates. Our prior research highlighted Lactobacillus crispatus CCFM1339, a vaginally derived Lactobacillus strain, for its capacity to modulate the vaginal epithelial barrier. In cellular models, L. crispatus CCFM1339 fortified the integrity of the cellular monolayer, augmented cellular migration, and facilitated repair. Remarkably, in animal models, L. crispatus CCFM1339 substantially abated the secretion of the barrier disruption biomarker E-cadherin (from 101.45 to 82.90 pg/mL) and increased the anti-inflammatory cytokine IL-10 (35.18% vs. the model), consequently mitigating vaginal inflammation in mice. Immunological assays in vaginal tissues elucidated increased secretory IgA levels (from 405.56 to 740.62 ng/mL) and curtailed IL-17 gene expression. Moreover, L. crispatus CCFM1339 enhanced Lactobacilli abundance and attenuated Enterobacterium and Enterococcus within the vaginal microbiome, underscoring its potential in probiotic applications for vaginal barrier regulation.


Asunto(s)
Lactobacillus crispatus , Vaginosis Bacteriana , Humanos , Femenino , Animales , Ratones , Gardnerella vaginalis/genética , Vaginosis Bacteriana/tratamiento farmacológico , Vaginosis Bacteriana/microbiología , Vagina/microbiología , Lactobacillus/metabolismo
13.
Artículo en Inglés | MEDLINE | ID: mdl-38376820

RESUMEN

Lacticaseibacillus paracasei has been regarded as a probiotic bacterium because of its role in anti-inflammatory properties and maintenance of intestinal barrier permeability. Here, we explored the anticolitic effects and mechanism of L. paracasei CCFM1222. The results showed that L. paracasei CCFM1222 supplementation could suppress the disease activity index (DAI) and colon length shortening in colitis mice, accompanied by a moderate increase in colonic tight junction proteins (ZO-1, occludin and claudin-1). L. paracasei CCFM1222 intervention significantly suppressed the levels of inflammatory cytokines (TNF-α, IL-1ß, and IL-6) and significantly elevated the activities of antioxidant enzymes (including SOD, GSH-Px, and CAT) in the colon by regulating the TLR4/MyD88/NF-κB and Nrf2 signaling pathways in colitis mice. In addition, L. paracasei CCFM1222 significantly shifted the gut microbiota, including elevating the abundance of Catabacter, Ruminiclostridium 9, Alistipes, and Faecalibaculum, as well as reducing the abundance of Mucispirillum, Escherichia-Shigella, and Salmonella, which was associated with the improvement of colonic barrier damage. Overall, these results suggest that L. paracasei CCFM1222 is a good candidate for probiotic of improving colonic barrier damage and associated diseases.

14.
Hypertens Res ; 47(5): 1184-1195, 2024 May.
Artículo en Inglés | MEDLINE | ID: mdl-38228748

RESUMEN

The self-management education for patients with hypertension has not been widely provided in rural areas of China. Our study aimed to examine the effect of health coaching intervention on controlling BP and improving self-management skills among rural resident of ≤6 month-history of hypertension. A total of 102 participants were enrolled in the RCT. The control group received usual health guidance and follow-up management; the experimental group received health coaching and follow up management. The primary outcomes were the difference in changes of BP and mean self-management scores. The secondary outcomes included waist circumference, body mass index (BMI), and medication literacy. Participants in the experimental group showed a significantly greater improvement with respect to systolic BP and diastolic BP respectively (133.85 ± 4.74 mmHg vs 127.96 ± 5.42 mmHg;80.94 ± 5.52 mmHg vs 77.37 ± 4.44 mmHg, P < 0.05) and BMI (24.66 ± 2.19 kg/m2 vs 23.44 ± 2.05 kg/m2, P < 0.05) compared with the control group. A significant difference was also observed between the experimental and control groups in terms of self-management and medication literacy at both 3 and 6 months (P < 0.05). However, there was no significant difference in changes of waist circumferences between the two groups (22.6% vs 38.8%). In conclusion, for patients with diagnosed with hypertension within the last 6 months, health coaching maybe is an effective approach to control blood pressure and improve medication literacy and self-management skills.


Asunto(s)
Presión Sanguínea , Hipertensión , Tutoría , Población Rural , Automanejo , Humanos , Masculino , Femenino , Persona de Mediana Edad , Hipertensión/terapia , China , Presión Sanguínea/fisiología , Anciano , Adulto , Alfabetización en Salud , Índice de Masa Corporal
15.
Crit Rev Food Sci Nutr ; : 1-18, 2023 Dec 11.
Artículo en Inglés | MEDLINE | ID: mdl-38078699

RESUMEN

Lactic acid bacteria (LAB) plays a crucial role in the establishment and maintenance of host health, as well as the improvement of some diseases. One of the major modes is the secretion of metabolites that may be intermediate or end products of the LAB's metabolism. In this review, we summarized some common metabolites (particularly short-chain fatty acids [SCFAs], bacteriocin, and exopolysaccharide [EPS]) from LAB in fermented foods and the gut for the first time. The effects of LAB-derived metabolites (LABM) on inflammation, oxidative stress, the intestinal barrier, and gut microbiota in inflammatory bowel disease (IBD) model are also discussed. The discovery of LABM and identification of IBD biomarkers are mainly attributed to the development of metabolomics technologies, especially nuclear magnetic resonance (NMR), gas chromatography-mass spectrometry (GC-MS), and liquid chromatography tandem mass spectrometry (LC-MS). The application of these metabolomics technologies in identification of LABM and IBD biomarkers are also summarized and analyzed. Although the beneficial effects of some LABM have been explored, undiscovered metabolites and their functions still need further investigations.

16.
Food Funct ; 14(23): 10375-10386, 2023 Nov 27.
Artículo en Inglés | MEDLINE | ID: mdl-37921630

RESUMEN

Urolithin A (Uro-A), an intestinal microbiota metabolite of ellagitannin, has anti-aging properties. Through the direct intake of ellagitannin (or ellagic acid) and strains capable of producing Uro-A, the transformation of Uro-A in vivo is a potential method to develop anti-aging preparations. Therefore, this study aimed to investigate the dose-response relationship between the colonic infusion of Uro-A and its anti-aging effects. Results indicated that Uro-A exhibited a dose-dependent anti-aging effect in the colon, and the minimum effective dose might be 3.0 mg kg-1 day-1. The main manifestations were that, compared with the model group, 3.0 mg kg-1 day-1 and 15.0 mg kg-1 day-1 of Uro-A can increase forelimb grip strength by 11.87% and 16.72%, respectively, and increase the discrimination index by 92.14% and 238.11%, respectively. Both doses effectively inhibited the D-galactose-induced increase in oxidative stress levels in the body, muscle atrophy, and neuronal apoptosis. Additionally, Uro-A released through the colon could alleviate D-galactose-induced aging in mice by inhibiting NF-κB and mTOR targets, providing significant protection for motor and cognitive functions. These findings provide a theoretical basis for future application and development of ellagitannin (or ellagic acid) in combination with strains capable of producing Uro-A.


Asunto(s)
Taninos Hidrolizables , FN-kappa B , Ratones , Animales , FN-kappa B/genética , Taninos Hidrolizables/farmacología , Taninos Hidrolizables/metabolismo , Galactosa , Ácido Elágico/farmacología , Ácido Elágico/metabolismo , Cumarinas/farmacología , Cumarinas/metabolismo , Serina-Treonina Quinasas TOR/genética , Envejecimiento
17.
Int J Mol Sci ; 24(18)2023 Sep 08.
Artículo en Inglés | MEDLINE | ID: mdl-37762155

RESUMEN

BACKGROUND: Colonic and serum inosine are significantly reduced in patients with inflammatory bowel disease (IBD). METHODS: This study aimed to explore whether microbiome-derived inosine alleviates colitis and its underlying mechanisms. RESULTS: An inosine intervention effectively improved the clinical signs in colitis mice, suppressed inflammatory cytokines (tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), and IL-1ß) by regulating the nuclear factor-kappa B (NF-κB) pathway, and elevated the activities of anti-oxidative enzymes (including superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px)) by regulating the nuclear factor erythroid-2 related factor 2 (Nrf2) pathway. Additionally, the inosine intervention significantly elevated the expression of tight junction proteins (ZO-1, occudin, and claudin-1) in mice with colitis. High-throughput sequencing revealed that the inosine intervention also prevented gut microbiota disorder by increasing the abundance of beneficial bacteria (Lachnospiraceae NK4A136 group, Romboutsia, Marvinbryantia, Clostridium sensu stricto 1, and Bifidobacterium) and reducing the abundance of harmful bacteria (Pseudomonas, Acinetobacter, and Tyzzerella) in mice with colitis. CONCLUSIONS: Inosine played a significant role in mitigating colitis-related intestinal barrier injury and could potentially be used for therapy in clinical practice.


Asunto(s)
Colitis , Microbioma Gastrointestinal , Humanos , Ratones , Animales , Dextranos/metabolismo , Colitis/inducido químicamente , Colitis/tratamiento farmacológico , Colitis/patología , Colon/patología , FN-kappa B/metabolismo , Administración Oral , Sulfatos/metabolismo , Sodio/metabolismo , Sulfato de Dextran/toxicidad , Ratones Endogámicos C57BL , Modelos Animales de Enfermedad
18.
Zhong Nan Da Xue Xue Bao Yi Xue Ban ; 48(6): 895-902, 2023 Jun 28.
Artículo en Inglés, Chino | MEDLINE | ID: mdl-37587075

RESUMEN

OBJECTIVES: Acute ischemic stroke (AIS) is one of the main causes of disability in middle-aged and elderly people, and early activity plays an important role in functional recovery. This study aims to understand the factors that affect the implementation of early activity in patients with AIS and to provide reference for promoting early activity implementation and developing intervention strategies for AIS patients. METHODS: Using purposive sampling, 19 AIS patients and their caregivers who visited at Stroke Center in the Third Xiangya Hospital of Central South University and the Third Hospital of Changsha from June to December 2021, as well as 19 medical staff, hospital administrators, or community workers providing medical health services to stroke patients, were selected as interviewes. A semi-structured interview was conducted based on the social ecological theory model, and the Colaizzi seven-step method was used to analyze the interview data. RESULTS: According to qualitative interview results, the factors affecting early activity in AIS patients were summarized into 4 themes and 12 sub-themes: medical staff factors (insufficient knowledge and skills, insufficient knowledge of early activity, unclear division of responsibilities), patient factors (severity of the disease, lack of knowledge, psychological pressure, fear of falling), social environmental factors (lack of social support, shortage of human resources and rehabilitation equipment, insufficient medical insurance support), and evidence and norms (the evidence for early activity needs improvement, lack of standardized early activity procedures). CONCLUSIONS: Early activity in AIS patients is impacted by factors at multiple levels, including medical staff, patients, social environment, and evidence and norms. Developing comprehensive intervention strategies to address these factors can promote early activity implementation in AIS patients.


Asunto(s)
Accidente Cerebrovascular Isquémico , Accidente Cerebrovascular , Anciano , Persona de Mediana Edad , Humanos , Accidentes por Caídas , Miedo , Medio Social
19.
Foods ; 12(14)2023 Jul 21.
Artículo en Inglés | MEDLINE | ID: mdl-37509878

RESUMEN

Broccoli seed extract (BSE) is rich in glucoraphanin (GRP), which may be transformed by intestinal microbes into sulforaphane (SFN), a compound with strong anti-inflammatory and antioxidant activities. Liver injury usually presents with inflammation and oxidative damage. Thus, dietary BSE supplementation may be an effective approach for alleviating liver injury. In this study, a mouse lipopolysaccharide (LPS)-induced acute liver injury model was used to evaluate the preventive effect of BSE and explore the relevant mechanisms. Compared with the LPS model group, the mice in the BSE group showed significantly lower activities of aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), and lactate dehydrogenase (LDH) and higher levels of catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) activity. Meanwhile, BSE significantly reduced the levels of pro-inflammatory cytokines (including IL-6 and TNF-α) in the liver and increased the level of anti-inflammatory factor (IL-10), indicating that BSE had a good preventive effect on acute liver injury. Additionally, after BSE intervention, the diversity of intestinal microbiota in the mice was higher than that in the LPS model group. The relative abundance of Akkermansia and Lactobacillus increased, while the relative abundance of Xylanophilum decreased. A correlation analysis revealed that the activities of SOD, GSH-Px, CAT and levels of IL-10 were positively correlated with the relative abundance of Lactobacillus. Furthermore, sulforaphane (SFN) and (Sulforaphane-N-Acetyl-Cysteine) SFN-NAC were detected in the urine of the mice after BSE intervention. Both q-PCR and an immunohistochemical analysis showed that BSE significantly regulated the expression level of the NF-κB (IκB-α, NF-κB) and Nrf2 (Nrf2, p-Nrf2 and HO-1) signaling pathways in the liver. In conclusion, BSE was shown to reduce LPS-induced acute liver injury through the conversion of glucoraphanin into sulforaphane and the regulation of the gut microbiota composition. These results suggest that BSE could be a promising ingredient in functional foods.

20.
Crit Rev Food Sci Nutr ; : 1-18, 2023 Jul 07.
Artículo en Inglés | MEDLINE | ID: mdl-37417364

RESUMEN

The prevalence of high-sugar diets and unhealthy habits exacerbates the production of advanced glycation end products (AGEs) in the body. When AGEs excessively accumulate in the body, they accelerate the aging process while directly or indirectly causing other complications that can seriously damage the body. Prevention of glycation damage is gaining increasing attention; however, a systematic strategy to combat glycation and specific glycation inhibitors is still lacking. By analyzing the process of glycation damage, we suggest that glycation damage can be mitigated by the inhibition of AGEs production, binding to proteins, and binding to receptors for advanced glycation end products, as well as the attenuation of downstream linkage reactions. This review summarizes the process of glycation damage. According to each step of the process, the review presents the corresponding anti-glycation strategies. Based on recent anti-glycation studies, we support the fabrication of glycation inhibitors by using natural plant products and fermentation products of lactic acid bacteria that partially exhibit anti-glycation properties. This review summarizes the mechanisms by which these dietary ingredients perform anti-glycation functions, providing relevant research evidence. We hope that this review will support and assist subsequent investigations in the development of anti-glycation inhibitors.

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