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9. Meta‑analysis of the autophagy‑associated protein LC3 as a prognostic marker in colorectal cancer.

Author

Shen, Ning, Wang, Lijuan, Wu, Jingjing, Chen, Xuefang, Hu, Fengchao, and Su, Yi

Subjects
COLORECTAL cancer, PROGNOSIS, TUMOR markers, MICROTUBULE-associated proteins, OVERALL survival
Abstract

Microtubule-associated protein 1 light chain 3 (LC3) is an autophagy-associated gene, which is involved in the progression of a number of human malignancies. Such as Breast Cancer, Liver Cancer, and Lung Cancer. However, the role of LC3 in colorectal cancer (CC) remains to be fully elucidated. Therefore, the prognostic role of LC3 expression in CC was evaluated in the present study, with an emphasis on the clinicopathology and prognosis. Expression of LC3 in CC was examined using PubMed, Cochrane Library, Excerpta Medica Database, China Knowledge Infrastructure and Wanfang Data. Newcastle-Ottawa scale was used to screen the literature quality, and RevMan 5.4 and STATA 14.0 were used for the meta-analysis. A total of 1,689 patients from 10 studies were included in the present meta-analysis. The findings of the present study suggested that increased LC3 expression levels were associated with histological grade [odds ratio (OR)=0.91, 95% confidence interval (CI) (0.47, 1.77), P<0.001] and TNM stage [OR=0.91, 95% CI (0.47, 1.77), P<0.001], but were not associated with sex [OR=1.14, 95% CI (0.90, 1.51)], age [OR=0.89, 95% CI (0.67, 1.20)], tumor size [OR=0.78, 95% CI (0.30, 2.34)], histological grade [OR=0.82, 95% CI (0.43, 1.95)] and lymph node metastasis [OR=2.05, 95% CI (1.19, 3.60)] in CC. In addition, the increased expression of LC3 was revealed to be a prognostic factor for the overall survival of patients with CC. In conclusion, the autophagy-associated protein LC3 may be a prognostic indicator of human CC. [ABSTRACT FROM AUTHOR]

Published
2023
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10. Radikalische Copolymerisation von Akzeptor- und Donatormonomeren

Author

Hu, Fengchao and Hu, Fengchao

Abstract

Radikalisch nicht homopolymerisierbare Donator- und Akzeptormonomere lassen sich miteinander co-, ter- und quaterpolymerisieren. Die dabei entstehenden Polymeren sind immer alternierend aus 50 mol-% Donator- und 50 mol-% Akzeptormonomereinheiten aufgebaut. Kinetische Untersuchungen zeigen die gleichzeitige Beteiligung von freien Monomeren und den zwischen Donator- und Akzeptormonomeren gebildeten CT-Komplexen. Bei niedrigen Monomerkonzentrationen dominiert der Mecha-nismus mit freien Monomeren, bei hohen Monomerkonzentrationen werden die Komplexe wegen ihren höheren Reaktivität gegenüber den freien Monomeren bevorzugt ins Polymere einge-baut, was zu einer größeren Polymerisationsgeschwindigkeit führt. Tetrahydrofuran, Chloroform und Acetonitril zeigen deutliche Lösungsmitteleffekte sowohl für die Beteiligungen von freien Monomeren und von Komplexen als auch für die Zusammensetzungen der resultierenden Polymeren, weil Komplexbildungskonstante von den Lösungsmitteln abhängig ist.

Published
2002

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