The role of connective tissue growth factor, a multifunctional matricellular protein, in fibroblast biology
Bibliographic record
Abstract
Connective tissue growth factor (CTGF, CCN2), a member of the CCN family of proteins, is a cysteine-rich proadhesive matricellular protein that plays an essential role in the formation of blood vessels, bone, and connective tissue. As expression of this protein is potently induced by transforming growth factor-beta (TGFbeta), it has been hypothesized that CTGF mediates several of the downstream actions of TGFbeta. In particular, CTGF is profibrotic, as CTGF is overexpressed in fibrotic disease and synergizes with TGFbeta to promote sustained fibrosis in vivo. Over the last several years, key data regarding the developmental role and structure and function relationship of CTGF have emerged. In addition, increased information concerning the mechanisms underlying the control of CTGF expression in normal and fibrotic cells and the signal transduction pathways through which CTGF acts on cells has been uncovered. This review summarizes the current state of knowledge regarding CTGF biology.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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".