Assessing the Induced Adipose Tissue Browning Effects of Hypoxic Swimming and Cold-Water Exposure in Healthy Human Participants Using Contrast-Enhanced Ultrasound (CEUS)
Bibliographic record
Abstract
Introduction: The prevalence of obesity in Canada has increased in recent years. Due to this, studies have been conducted on brown adipose tissue (BAT) as it consumes energy to regulate thermal homeostasis rather than storing it as fat. Particularly, studies have shown that exercise regimens combined with a cold-temperature setting elicit the most “browning” of white adipose tissue (WAT). Hypoxic exercise has been seen to prevent obesity and some metabolic disorders, but the browning of WAT via hypoxic exercise has yet to be studied. Thus, this study aims to determine the independent and synergistic effects of cold-water exposure and hypoxic exercise BAT activation and adipose tissue browning in healthy adult males. Methods: Moderately active healthy adult males will be randomized in three experimental groups (i.e., Cold-water exposure group (CG), Hypoxic exercise group (HG), and combined cold-water and hypoxic exercise group (HC)) and one control group. Familiarization sessions will be done prior to the three testing sessions. Cold conditions will be induced via exercise in 15oC water. Hypoxic conditions will be induced via the endogenous-hypoxic breathing technique. Contrast-Enhanced Ultrasound (CEUS) scans of regions of interest (i.e., supraclavicular, axilla, anterior abdominal wall, and the inguinal fossa) will be obtained before and after familiarization and testing sessions and will be further utilized for analysis. Results: It is anticipated that all experimental groups will demonstrate BAT activation and adipose tissue browning as reflected by the Acoustic Intensity (AI) curve and color-flow doppler intensity. Particularly, more pronounced in the supraclavicular region for CG, inguinal fossa for HG, and both for HC. Discussion: This research protocol anticipates evidence that suggests independent cases of BAT activation and adipose tissue browning, reflected in the CG and HG. This protocol also anticipates synergistic effects of cold water and hypoxic exercise in inducing BAT activation and adipose tissue browning, reflected by HC. Conclusion: Thus, hypoxia and cold-water interventions may have potential clinical use for managing the rising cases of obesity. Future implications may include public health initiatives that inform the population on ways to mitigate the effects of obesity and provide a potential therapeutic avenue to treat the disease.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".