Cancer-associated fibroblasts, clinicopathological characteristics and prognosis of liver cancer: A systematic review and meta-analysis based on real-world research
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Notice bibliographique
Résumé
BACKGROUND Cancer-associated fibroblasts (CAFs), crucial components of the tumor microenvironment in primary and metastatic tumors, can impact the activity of cancer cells and contribute to their progression. Given their extensive interactions with cancer cells and other stromal cells, we aimed to evaluate the prognostic value of CAFs in patients with liver cancer (LC). AIM To investigate the association between CAF expression and clinicopathological characteristics as well as overall survival (OS) in patients with LC, including hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (iCCA). METHODS We performed a meta-analysis of cohort studies with available data on the effects of CAF expression on both clinicopathological characteristics and OS via hazard ratios (HRs) and risk ratios with 95% confidence intervals (CIs). Studies were subgrouped on the basis of CAF markers and cancer type, and the subgroup effects of CAF expression on both HCC and iCCA were analyzed through meta-regression. The Newcastle-Ottawa Scale was used to evaluate the included studies to guarantee their quality and minimize the possibility of bias. RESULTS Nine trials were selected and included a total of 1518 patients. According to our primary meta-analysis, the expression of CAFs in LC patients was significantly associated with a decrease in OS (LC: HR: 1.62; 95%CI: 1.34-1.97; P < 0.001; HCC: HR: 1.67; 95%CI: 1.34-2.07; P < 0.001; iCCA: HR: 1.47; 95%CI: 0.97-2.23; P = 0.07); nevertheless, it was not significantly associated with almost all clinicopathologic characteristics, including tumor size, venous infiltration, alpha-fetoprotein level, and differentiation grade. According to the subgroup analysis of smooth muscle actin (SMA) markers in both HCC patients and iCCA patients, high CAF expression in HCC (HR: 2.29; 95%CI: 1.01-5.22; P = 0.048) and iCCA (HR: 2.04; 95%CI: 1.09-3.81; P = 0.025) patients was a significant indicator of poor OS. Moreover, the clinicopathological characteristics were also verified by the SMA marker, which had a nearly significant effect on the venous infiltration of iCCA (risk ratio: 2.70; 95%CI: 0.97-7.49; P = 0.057). CONCLUSION High CAF expression, evaluated by both mixed markers and SMAs, is significantly associated with poor OS in patients with LC, including both HCC patients and iCCA patients. However, further research is necessary since how CAF expression and clinicopathologic features are related is yet unknown.
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Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,004 | 0,002 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,004 | 0,001 |
| Bibliométrie | 0,001 | 0,002 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,001 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découle