Role of the αvβ6 Integrin in Human Oral Squamous Cell Carcinoma Growth in Vivo and in Vitro

2001 ◽  
Vol 288 (3) ◽  
pp. 610-618 ◽  
Author(s):  
Hui Xue ◽  
Amha Atakilit ◽  
Weimin Zhu ◽  
Xiaowu Li ◽  
Daniel M. Ramos ◽  
...  
Keyword(s):  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Αvβ6 Integrin

scholarly journals Metformin sensitizes the response of oral squamous cell carcinoma to cisplatin treatment through inhibition of NF-κB/HIF-1α signal axis

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Xiaofeng Qi ◽  
Wengguang Xu ◽  
Junqi Xie ◽  
Yufeng Wang ◽  
Shengwei Han ◽  
...  
Keyword(s):  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Carcinoma Cells ◽  
Oral Cancers ◽  
Underlying Mechanisms

Abstract Resistance towards chemotherapy is a common complication in treatment of oral cancers, which leads to treatment failure and poor outcome. In recent years, a growing body of evidence has shown that tumour hypoxia significantly contributes to chemoresistance. Metformin, a widely used oral hypoglycaemic drug, can reportedly potentiate the efficacy of chemotherapeutic drugs in various cancers; however, the underlying mechanisms are intricate and have not been fully understood. In this study, we explored the role of metformin in chemosensitivity of oral squamous cell carcinoma cells (OSCC) to cisplatin both in vitro and in vivo, and attempted to elucidate its possible underlying mechanisms. Encouragingly, we found that metformin synergistically enhanced cisplatin cytotoxicity and reversed the chemoresistance to certain extent. This mechanism could likely be related with inhibition of the NF-κB/HIF-1α signal axis and lead to the downregulation of hypoxia-regulated genes products. Therefore, metformin could serve as a chemosensitiser for cisplatin-based regimens for OSCC, thereby providing a theoretical basis for future use in the treatment of oral cancers.

Melatonin and oral squamous cell carcinoma: current knowledge and future perspectives

2019 ◽  
Vol 2 (1) ◽  
pp. 94-105
Author(s):  
Omid Reza Tamtaji ◽  
Moein Mobini ◽  
Amir Abbas Atlasi ◽  
Ehsan Dadgostar ◽  
Zatollah Asemi
Keyword(s):  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Current Knowledge ◽  
Apoptotic Pathways ◽  
Tumor Associated Neutrophils

On the basis of worldwide ranking, oral cancer is the eighth most prevalent cancer. Oral squamous cell carcinoma is a cancer that occurs following dysplasia of the mucosa of the oral cavity and oropharynx. There are different inflammatory pathways involved in the pathophysiology of oral squamous cell carcinoma. Melatonin (N-acetyl-5-methoxytryptamine), a well documented anticancer agent, exhibits numerous functions including induction of apoptotic pathways and controlling of oxidative stress. In the in vivo and in vitro studies the results have demonstrated that melatonin supplementation is an appropriate therapeutic approach for oral squamous cell carcinoma. Melatonin might inhibit cancer cells through the regulation of molecular pathways including AKT/mTOR pathway, ERK/AKT signaling, LSD1 expression and tumor-associated neutrophils releasing. Limited clinical studies; however, have evaluated the role of melatonin in oral squamous cell carcinoma. This review summarizes current knowledge and evidence regarding the effects of melatonin on oral squamous cell carcinoma and the mechanisms involved.  

scholarly journals Effects of lentivirus-mediated shRNA targeting integrin-linked kinase on oral squamous cell carcinoma in vitro and in vivo

2015 ◽  
Vol 35 (1) ◽  
pp. 89-98 ◽  
Author(s):  
LIN QUE ◽  
DAN ZHAO ◽  
XIU-FA TANG ◽  
JI-YUAN LIU ◽  
XIANG-YU ZHANG ◽  
...  
Keyword(s):  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Integrin Linked Kinase

scholarly journals Synergetic Effects of PARP Inhibitor AZD2281 and Cisplatin in Oral Squamous Cell Carcinoma in Vitro and in Vivo

2016 ◽  
Vol 17 (3) ◽  
pp. 272 ◽  
Author(s):  
Masaaki Yasukawa ◽  
Hisako Fujihara ◽  
Hiroaki Fujimori ◽  
Koji Kawaguchi ◽  
Hiroyuki Yamada ◽  
...  
Keyword(s):  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Parp Inhibitor ◽  
Synergetic Effects

The Growth Inhibition of Targeted Pluronic/Formononetin Nanocomposite on Oral Squamous Cell Carcinoma In Vitro

2020 ◽  
Vol 12 (8) ◽  
pp. 1022-1029
Author(s):  
Ming Liu ◽  
Chen Lin ◽  
Xiaoqing Huang ◽  
Yuxiang Lin
Keyword(s):  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Growth Inhibition ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Laser Scanning ◽  
Critical Concentration ◽  
Laser Scanning Confocal Microscopy

Natural flavonoid formononetin (FN) has anticancer effects, but the hydrophobic structure, characteristics of the short half-life in vivo, limiting its clinical wide-ranging application. In this study, FN loaded Pluronic (PF)@folic acid (FA) micelles (FN-PF@FA), were prepared to improve the solubility, bioavailability and targeting. FA coupling PF was prepared by carbodiimide crosslinker chemical method, FN-PF@FA micelles were prepared by modified film hydration method, and compared the antitumor activity of FN loaded micelles with free FN In Vitro. The spherical smooth surface of FN-PF@FA micelles had smaller particle size (112.3±5.3 nm), high encapsulation efficiency (86.14±2.68%), high negative zeta potential (-25.8±0.57 mV), low critical concentration CMC (0.03 mg/mL), and better sustained release profile. In addition, FN-PF@FA micelles have a positive targeting effect on oral squamous cell carcinoma cells (SCC3). In 48 hours, the growth inhibition of 50% (GI50) was 28.6±1.2 μg/mL for FN and 17.4±0.78 μg/mL for FN-PF, the dose dropped by nearly 38.46%. In addition, the GI50 value of FN-PF@FA was 9.5±0.3 μg/mL, 66.43% lower than FN and 44.83% lower than FN-PF. Furthermore, the laser scanning confocal microscopy revealed that the conjugation of FA significantly improves the active targeting ability of micelles. FN-PF@FA micelles have the potential to target the release of anticancer drugs with higher bioavailability, further provides a new avenue for the application of traditional Chinese medicine extract in oral malignant tumor.

scholarly journals NF-κB-mediated lncRNA AC007271.3 promotes carcinogenesis of oral squamous cell carcinoma by regulating miR-125b-2-3p/Slug

2020 ◽  
Vol 11 (12) ◽  
Author(s):  
Ze-nan Zheng ◽  
Guang-zhao Huang ◽  
Qing-qing Wu ◽  
Heng-yu Ye ◽  
Wei-sen Zeng ◽  
...  
Keyword(s):  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Molecular Mechanisms ◽  
Nuclear Factor Κb ◽  
Underlying Mechanisms ◽  
E Cadherin

AbstractOral squamous cell carcinoma (OSCC) is the most common oral cancer. The molecular mechanisms of this disease are not fully understood. Our previous studies confirmed that dysregulated function of long non-coding RNA (lncRNA) AC007271.3 was associated with a poor prognosis and overexpression of AC007271.3 promoted cell proliferation, migration, invasion, and inhibited cell apoptosis in vitro, and promoted tumor growth in vivo. However, the underlying mechanisms of AC007271.3 dysregulation remained obscure. In this study, our investigation showed that AC007271.3 functioned as competing endogenous RNA by binding to miR-125b-2-3p and by destabilizing primary miR-125b-2, resulted in the upregulating expression of Slug, which is a direct target of miR-125b-2-3p. Slug also inhibited the expression of E-cadherin but N-cadherin, vimentin, and β-catenin had no obvious change. The expression of AC007271.3 was promoted by the canonical nuclear factor-κB (NF-κB) pathway. Taken together, these results suggested that the classical NF-κB pathway-activated AC007271.3 regulates EMT by miR-125b-2-3p/Slug/E-cadherin axis to promote the development of OSCC, implicating it as a novel potential target for therapeutic intervention in this disease.

scholarly journals Aberrant Expression and Subcellular Localization of PER2 Promote the Progression of Oral Squamous Cell Carcinoma

2020 ◽  
Vol 2020 ◽  
pp. 1-10
Author(s):  
Fengyuan Guo ◽  
Qingming Tang ◽  
Guangjin Chen ◽  
Jiwei Sun ◽  
Junyi Zhu ◽  
...  
Keyword(s):  
Squamous Cell Carcinoma ◽  
Oral Squamous Cell Carcinoma ◽  
Subcellular Localization ◽  
Cell Carcinoma ◽  
Squamous Cell ◽  
Epithelial Mesenchymal Transition ◽  
Aberrant Expression ◽  
Mesenchymal Transition

Oral squamous cell carcinoma, one of the most prevalent cancer types in the world, has been confirmed under the influence of a key circadian gene, PER2, whose role has been identified in the development of some other types of cancers. However, the mechanism through which PER2 regulates the progress of OSCC remains largely unknown. In this study, we showed that besides the abnormal expression and subcellular localization of PER2 observed in OSCC tissues and cells as expected, these anomalous changes also existed in the adjacent noncancerous tissues, which was a novel finding in our research. The phase of PER2 rhythmic expression pattern in OSCC cells was later than that in oral keratinocytes in the protein level. In addition, we demonstrated that PER2 played as a resistant factor in the development of OSCC by upregulating TP53 and inhibiting epithelial-mesenchymal transition in vitro and in vivo. Taken together, our results identified that the development of OSCC is closely associated with PER2, the aberrant expression and subcellular localization of which facilitates the malignant progress.

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