Publications by authors named "N Vazquez-Manjarrez"

Background And Aims: Both obesity and iron deficiency are public health problems. The association between the two problems could be explained by chronic low-grade inflammation in obesity, which could stimulate hepcidin expression and modify iron concentration that the consumption of high-protein diets could prevent. Thus, this study aimed to compare the effects of high-protein diets with a predominance of animal or vegetable protein on serum hepcidin and iron concentrations in adults with obesity.

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Article Synopsis
  • Exposure to high-energy diets during fetal development can increase the risk of type 2 diabetes in offspring due to glucose imbalance linked to specific lipids.
  • Research focuses on C24:0 ceramide, a lipid found in increased amounts in offspring of rats on high-energy diets and obese-T2DM individuals, which disrupts glucose balance and triggers metabolic issues.
  • C24:0 ceramide impairs energy processing in fat and liver cells by promoting harmful conditions in mitochondria and stressing the endoplasmic reticulum, contributing to overall glucose imbalance and fat accumulation.
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Metabolic dysfunction-associated steatotic liver disease (MASLD) is a serious health problem, and recent evidence indicates that gut microbiota plays a key role in its development. It is known that 2-oleoyl glycerol (2-OG) produced by the gut microbiota is associated with hepatic fibrosis, but it is not known whether this metabolite is involved in the development of hepatic steatosis. The aim of this study was to evaluate how a high-fat-sucrose diet (HFS) increases 2-OG production through gut microbiota dysbiosis and to identify whether this metabolite modifies hepatic lipogenesis and mitochondrial activity for the development of hepatic steatosis as well as whether a combination of functional foods can reverse this process.

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Overweight and obesity are present in about three-quarters of the adult population in Mexico. The inflammatory mechanisms subjacent to visceral white adipose tissue are accountable for the initiation and development of cardiometabolic alterations, including type 2 diabetes. Lifestyle changes are pillars within its therapeutics and, thus, current dietary modifications should include not only hypocaloric prescriptions with balanced macronutrient intake, preferably by increasing the amount of whole grains, fruits, vegetables, nuts and legumes, but in concomitance, bioactive substances, such as anthocyanins, have been correlated with lower incidence of this disease.

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Article Synopsis
  • - The study investigates how glucose and fructose influence the calcium-sensing receptor (CaSR) in the distal convoluted tubule, activating pathways that increase salt retention through the NaCl cotransporter (NCC) in response to sugar intake.
  • - Experiments with various models, including human cells, mice, and perfused kidneys, revealed that glucose/fructose enhances the phosphorylation of SPAK and NCC, indicating activation of the WNK4-SPAK-NCC pathway reliant on the CaSR.
  • - Both animal and human data suggest that the presence of glucose/fructose leads to higher levels of NCC and SPAK phosphorylation, highlighting a potential mechanism by which sugar intake affects salt balance in the body.
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