Adipose Tissue Stromal Cells: Rheostats for Adipose Tissue Function and Metabolic Disease Risk
Bibliographic record
Abstract
The transition from metabolically healthy obesity to the development of obesity-associated metabolic syndrome and cardiovascular disease is thought to be triggered by a loss in the functional integrity of adipose tissue. Although mature adipocytes are the primary functional units that carry out lipid partitioning in adipose tissue for the promotion of whole-body energy balance, they are supported by a heterogenous collection of nonadipocytes in the stroma. Research over the past couple of decades has expanded perspectives on the homeostatic and pathological roles of the nonadipocyte compartment. Adipose progenitors originate in the embryonic period and drive the developmental adipogenesis that establishes the set point of adiposity. A population of adipocyte progenitors reside in adult depots and serve an important homeostatic role as a reservoir to support adipocyte turnover. Adipocyte hypertrophy in obesity increases the rate of adipocyte death and the ability of progenitors to support this high rate of adipocyte turnover is important for the preservation of the lipid-buffering function of adipose tissue. Some evidence exists to suggest that impaired adipogenesis or a decline in progenitors capable of differentiation is a key event in the development of adipose dysfunction. The efficiency of macrophages to clear the debris and toxic lipids released from dead adipocytes lies at the fulcrum between preservation of adipose function and the progression toward chronic inflammation. Although macrophages in collaboration with other immune cells propagate the inflammation that underlies adipose dysfunction, there is now a greater appreciation for the diverse and unique roles of immune cells within adipose tissue.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.002 | 0.002 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.002 |
| Insufficient payload (model declined to judge) | 0.005 | 0.002 |
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".