Fatty acid metabolism in<scp>CD</scp>8<sup>+</sup>T cell memory: Challenging current concepts
Why this work is in the frame
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Bibliographic record
Abstract
Summary CD 8 + T cells are key members of the adaptive immune response against infections and cancer. As we discuss in this review, these cells can present diverse metabolic requirements, which have been intensely studied during the past few years. Our current understanding suggests that aerobic glycolysis is a hallmark of activated CD 8 + T cells, while naive and memory (T mem ) cells often rely on oxidative phosphorylation, and thus mitochondrial metabolism is a crucial determinant of CD 8 + T mem cell development. Moreover, it has been proposed that CD 8 + T mem cells have a specific requirement for the oxidation of long‐chain fatty acids ( LC ‐ FAO ), a process modulated in lymphocytes by the enzyme CPT 1A. However, this notion relies heavily on the metabolic analysis of in vitro cultures and on chemical inhibition of CPT 1A. Therefore, we introduce more recent studies using genetic models to demonstrate that CPT 1A‐mediated LC ‐ FAO is dispensable for the development of CD 8 + T cell memory and protective immunity, and question the use of chemical inhibitors to target this enzyme. We discuss insights obtained from those and other studies analyzing the metabolic characteristics of CD 8 + T mem cells, and emphasize how T cells exhibit flexibility in their choice of metabolic fuel.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.002 |
| Meta-epidemiology (narrow) | 0.002 | 0.001 |
| Meta-epidemiology (broad) | 0.006 | 0.002 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.004 |
| Insufficient payload (model declined to judge) | 0.003 | 0.032 |
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 it