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Metabolic Rate - DOAJ

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Last Updated: 23 April 2022

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A randomized cross-over study of the acute effects of running 5 km on glucose, insulin, metabolic rate, cortisol and Troponin T.

The participants were randomised regarding the order of the two trial-days in this cross-over research. Insulin and cortisol levels were higher on the race day, while insulin sensitivity was lower. Although serum insulin levels increased from 5. 01 to 9. 36 pmol/l, p 0. 0001, we found that glucose rose from 5. 01 mmol/l to 6. 36 mmol/l, p 0. 0001, while running. Serum cortisol levels increased from 408 137 nmol/l to 644171 nmol/l, p 0. 0001, post-race, while serum glucagon levels were unaffected, although serum glucagon levels were unaffected. Troponin T was detectable in serum post-race in 12 out of the 17 participants and met or exceeded the clinical reference level of 15 ng/l in three patients. Since also Troponin T was found in plasma in the majority of the participants, our results show that running merely 5 kilometers per week can cause significant metabolic strain.

Source link: https://doi.org/10.1371/journal.pone.0179401


Does Amifostine Reduce Metabolic Rate? Effect of the Drug on Gas Exchange and Acute Ventilatory Hypoxic Response in Humans

At two doses of amifostine infused over 15 minutes at the start of the protocol, we tested this theory by recording the metabolic rate in 6 healthy volunteers. As determined by oxygen uptake, there was no change in metabolic rate with amifostine. Amifostine lifted the mean SD acute hypoxic ventilatory response from 12. 4 5. 1 L/min to 20. 3 11. 9 L/min, according to a new study. Hypoxia inducible factor elevations may be either peripherally in the carotid body or centrally in the brain.

Source link: https://doi.org/10.3390/ph8020186


Enhancing the 1-Aminocyclopropane-1-Carboxylate Metabolic Rate of Pseudomonas sp. UW4 Intensifies Chemotactic Rhizocompetence

Pseudomonas sp's plant-friendly bacterium Pseudomonas sp. 's 1-aminocyclopropane-1-carboxylic acid is a strong metabolism-dependent chemoattractant for the plant-friendly bacterium Pseudomonas sp. It's unclear if increasing the metabolic rate of ACC will increase the chemotaxis' activity toward ACC and rhizocompetence. Mutation UW4 ACC deaminase gene in the UW4 AcdS mutant, which we selected four promoters to transcribe the UW4 ACC deaminase gene. PB20 > PA > PB1.

Source link: https://doi.org/10.3390/microorganisms8010071


Higher resting metabolic rate in long-lived breeding Ansell’s mole-rats (Fukomys anselli)

Abstract Background Reproduction is an energy-intensive process that may damage somatic integrity in the long run, as shown by the life history trade-off model, because funds are limited and must be divided between reproduction and somatic care, as expected by the life history trade-off model. The founder and his mole-rats remain long-lived social subterranean rodents with only the founder pair reproducing, but the majority of their offspring are kept in the parental burrow system and do not reproduce. Methods We investigated mass-specific resting metabolic rates of breeders and non-breeders in order to obtain insight into the physiological reasons that accounts for Ansell's mole-rats' reproduction-associated longevity. The findings of Ansell's mole rats varied between reproductive and non-reproductive Ansell's mole rats. The shorter-lived non-breeders had significantly lower msRMR in the thermoneutral zone compared to breeders, according to classical aging models. Conclusions This is the first study to show a positive correlation between msRMR and lifespan based on reproductive status.

Source link: https://doi.org/10.1186/s12983-017-0229-6


A Finished Dietary Supplement Stimulates Lipolysis and Metabolic Rate in Young Men and Women

Background Dietary supplements are often advertised to improve lipolysis and thermogenesis, with the intended end result being weight loss and body fat reduction. Blood samples were obtained right before ingestion, and at 60 and 120 minutes after ingestion, and analyzed for plasma glycerol and free fatty acids. At any time and rate pressure was calculated, heart rate and blood pressure were recorded, and rate pressure was calculated. Supplement intake, heart rate, systolic blood pressure, and RPP were all higher than placebo. During a two-hour post-ingestion time period, ingestion of OxyELITE ProTM resulted in a rise in blood markers of lipolysis, as well as metabolic rate. With regular use of the supplement that may lead to weight loss over time, acute changes seen here would persist and may lead to weight/body fat loss over time. Additional research is required to determine if the immediate changes observed here will persist and may lead to weight loss over time.

Source link: https://doi.org/10.4137/NMI.S8567


Vitamin D Supplementation Does Not Impact Resting Metabolic Rate, Body Composition and Strength in Vitamin D Sufficient Physically Active Adults

In VitD deficient individuals, supplementation with the most effective form of Vitamin D has resulted in increases in energy metabolism, muscle mass, and strength. In VitD healthy young adults, the aim of this research is to determine the effect of VitD3 supplementation on resting metabolic rate, body composition, and strength. After VitD3 supplementation, physically active young adults who are VitD adequate have reported that there are no additional physiological benefits of obtaining supraphysiological serum total 25D concentrations after VitD3 supplementation.

Source link: https://doi.org/10.3390/nu12103111


Basal Metabolic Rate of Adolescent Modern Pentathlon Athletes: Agreement between Indirect Calorimetry and Predictive Equations and the Correlation with Body Parameters.

BMR of adolescents pentathletes determined by IC and estimated by using commonly used predictive equations was evaluated for BMR. We therefore had the opportunity to investigate the relationship between the BMR of adolescents pentathletes measured by IC and estimated using mathematical models. According to Bland and Altman, the whole sample average BMR measured by IC was significantly different from the one estimated by FAO. The correlations among anthropometric variables and an IC were investigated by T-student test and ICC, however, were not examined by IC or survival-agreement plotting. When compared to IC, athletes' BMR was statistically different from IC among males, while female differed only for the HR equation.

Source link: https://doi.org/10.1371/journal.pone.0142859


Trade-offs between the metabolic rate and population density of plants.

However, there is increasingly mounting body of evidence demonstrating that scaling relationships of metabolic rate vs. body mass and population density vs. body mass are both increasing and diverge from their target theoretical values of 3/4 and -3/4 or -2/3. For desert shrubs, trees, and herbaceous plants, respectively, we investigated the allometric relationship between photosynthetic mass or leaf mass vs. body mass; population density vs. body mass; and leaf mass vs. body mass vs. body mass; and leaf mass vs. population density.

Source link: https://doi.org/10.1371/journal.pone.0001799


Lack of effects of fish oil supplementation for 12 weeks on resting metabolic rate and substrate oxidation in healthy young men: A randomized controlled trial.

Fish oil has been shown to have therapeutic effects in the body by incorporation into the membranes of multiple tissues. Omega-3 fatty acids in FO have been shown to elevate whole body resting metabolic rate and fatty acid oxidation in human subjects, but the results to date are equivocal. In comparison to an olive oil control group, the aim of this research was to investigate the effects of a 12 week FO supplementation period on RMR and substrate oxidation in young healthy males. After FO supplementation, there were significant rises in the EPA and DHA levels in red blood cells, but there was no change in the OO group. After supplementation with OO or FO after 6 and 12 weeks, RMR and substrate oxidation did not change after supplementation with OO or FO. In conclusion, FO supplementation had no effect on RMR and substrate oxidation in healthy young males.

Source link: https://doi.org/10.1371/journal.pone.0172576

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions