1
|
Vega-Cárdenas M, Martínez-Gutierrez F, Lara-Ramírez EE, Reynaga-Hernandez E, Yañez-Estrada L, Ratering S, Schnell S, Godínez-Hernández CI, Vargas-Morales JM, Portales-Pérez DP. Agave fructans enhance the effects of fermented milk products on obesity biomarkers: a randomised trial. Benef Microbes 2023; 14:153-164. [PMID: 36856122 DOI: 10.3920/bm2022.0078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
Dysbiosis has been implicated in childhood obesity. Oral intake of fermented milk containing Lacticaseibacillus casei strain Shirota preserves gut microbiota (GM) diversity in children and adults. This study was a double-blind trial involving 37 overweight or obese children aged 6-10 years. Children were followed over a 6-week intervention period in which they received different fermented milk products containing L. casei Shirota: 10 in the first group received just L. casei Shirota; 13 received L. casei Shirota with 3 g/day of inulin (L. casei+inulin); and 14 received L. casei Shirota with 3 g/day of fructans from Agave salmiana (L. casei+fructans). Principal component analysis showed the relationship between microbial abundance, GM metabolites, and other obesity-related markers. Supplementation with probiotics and synbiotics improved the HDL-cholesterol levels of overweight and obese children, although no changes in body composition were detected. We observed an increase in butyrate or propionate concentrations in the L. casei+fructans group compared to the end of the intervention (P<0.03). A diminished level of ANGPTL4 within the L. casei+fructans group (P=0.04) was also found, but no differences when lipopolysaccharide-binding protein was evaluated. The FFAR2+ cell frequency decreased between baseline and at the end of 6-week intervention in L. casei+inulin (P=0.02) and L. casei+fructans groups (P=0.04). In contrast, the percentage of CD14+FFAR3+ frequency increased in the same groups (P=0.04). The L. casei Shirota with inulin or fructans modulates GM, which improves the lipid profile and changes at a molecular level, such as expression of FFAR3 and FFAR2, ANGPTL4, propionate, and butyrate. It, therefore, could be considered an interesting therapeutic possibility for treating childhood overweight and obesity. The study was registered at ClinicalTrials.gov (ID: NCT05423015).
Collapse
Affiliation(s)
- M Vega-Cárdenas
- Research Centre for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí (UASLP), Av. Sierra Leona 550, Lomas de San Luis 78210, San Luis Potosí, SLP, Mexico
| | - F Martínez-Gutierrez
- Research Centre for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí (UASLP), Av. Sierra Leona 550, Lomas de San Luis 78210, San Luis Potosí, SLP, Mexico.,Faculty of Chemical Sciences, UASLP, Av. Dr. Manuel Nava 6, Zona Universitaria 78210, San Luis Potosí, SLP, Mexico
| | - E E Lara-Ramírez
- Zacatecas Biomedical Research Unit, Mexican Social Security Institute (IMSS), Alameda Trinidad García de La Cadena 438, Zacatecas Centro 98000 Zacatecas, Zac, Mexico
| | - E Reynaga-Hernandez
- Faculty of Chemical Sciences, UASLP, Av. Dr. Manuel Nava 6, Zona Universitaria 78210, San Luis Potosí, SLP, Mexico
| | - L Yañez-Estrada
- Faculty of Medicine, UASLP, Av. Dr. Manuel Nava 6, Zona Universitaria 78210, San Luis Potosí, SLP, Mexico
| | - S Ratering
- Institute of Applied Microbiology, Justus Liebig University, Schubertstr. 81 35392, Giessen, Germany
| | - S Schnell
- Institute of Applied Microbiology, Justus Liebig University, Schubertstr. 81 35392, Giessen, Germany
| | - C I Godínez-Hernández
- Desert Zones Research Institute, UASLP, De Altair 200, Col del Llano, 78377, San Luis Potosí, SLP, Mexico
| | - J M Vargas-Morales
- Faculty of Chemical Sciences, UASLP, Av. Dr. Manuel Nava 6, Zona Universitaria 78210, San Luis Potosí, SLP, Mexico
| | - D P Portales-Pérez
- Research Centre for Health Sciences and Biomedicine, Autonomous University of San Luis Potosí (UASLP), Av. Sierra Leona 550, Lomas de San Luis 78210, San Luis Potosí, SLP, Mexico.,Faculty of Chemical Sciences, UASLP, Av. Dr. Manuel Nava 6, Zona Universitaria 78210, San Luis Potosí, SLP, Mexico
| |
Collapse
|
2
|
Niño-Martínez N, Martínez-Castañón GA, Aragón-Piña A, Martínez-Gutierrez F, Martínez-Mendoza JR, Ruiz F. Characterization of silver nanoparticles synthesized on titanium dioxide fine particles. Nanotechnology 2008; 19:065711. [PMID: 21730717 DOI: 10.1088/0957-4484/19/6/065711] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Silver nanoparticles with a narrow size distribution were synthesized over the surface of two different commercial TiO(2) particles using a simple aqueous reduction method. The reducing agent used was NaBH(4); different molar ratios TiO(2):Ag were also used. The nanocomposites thus prepared were characterized using transmission electron microscopy (TEM), scanning transmission electron microscopy (STEM), scanning electron microscopy (SEM), energy-dispersive spectroscopy (EDS), x-ray photoelectron spectroscopy (XPS), x-ray diffraction (XRD), dynamic light scattering (DLS) and UV-visible (UV-vis) absorption spectroscopy; the antibacterial activity was assessed using the standard microdilution method, determining the minimum inhibitory concentration (MIC) according to the National Committee for Clinical Laboratory Standards. From the microscopy studies (TEM and STEM) we observed that the silver nanoparticles are homogeneously distributed over the surface of TiO(2) particles and that the TiO(2):Ag molar ratio plays an important role. We used three different TiO(2)Ag molar ratios and the size of the silver nanoparticles is 10, 20 and 80 nm, respectively. It was found that the antibacterial activity of the nanocomposites increases considerably comparing with separated silver nanoparticles and TiO(2) particles.
Collapse
Affiliation(s)
- N Niño-Martínez
- Facultad de Ciencias, UASLP, Álvaro Obregón 64, CP 78000, San Luis Potosí, SLP, Mexico. Instituto de Metalurgia, Facultad de Ingeniería, UASLP, Álvaro Obregón 64, CP 78000, San Luis Potosí, SLP, Mexico
| | | | | | | | | | | |
Collapse
|