Potential target in treatment of oral cancer discovered

(Boston University Medical Center) For the first time, researchers have identified a reliable marker (PDGFRβ) to detect carcinoma-associated fibroblasts (cells within the tumor that encourage growth and metastasis) (CAFs) in oral cancer tissues. With this discovery, anti-PDGFRβ treatment could soon be combined with existing tumor treatments to provide a more effective cancer therapy.
Source: EurekAlert! - Cancer - Category: Cancer & Oncology Source Type: news

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This article is concerned with the therapeutic index of chitosan nanoparticles against diethyl nitrosamine (DEN) induced hepatocellular carcinoma (HCC). HCC was induced in rats via repeated DEN administration in a dose of 200 mg/kg BW IP, 2 weeks later rats received (2 ml/kg BW) CCl4 orally for 2 months followed by daily treatment with chitosan nanoparticles in an oral dose of 12 mg/kg for 1 month. Then the gene expression of glycogen synthase kinase-3 (GSK-3), (c-FOS), nuclear factor kappa-B (NFκB) and tumor necrosis factor- α (TNF-α) were reported in rats sera and the correlation between GSK-3, C-...
Source: Toxicology Reports - Category: Toxicology Source Type: research
This article is concerned with the therapeutic index of chitosan nanoparticles against diethyl nitrosamine (DEN) induced hepatocellular carcinoma (HCC). HCC was induced in rats via repeated DEN administration in a dose of 200 mg/kg BW IP, 2 weeks later rats received (2 ml/kg BW) CCl4 orally for 2 months followed by daily treatment with chitosan nanoparticles in an oral dose of 12 mg/kg for 1 month. Then the gene expression of glycogen synthase kinase-3 (GSK-3), (c-FOS), nuclear factor kappa-B (NFκB) and tumor necrosis factor- α (TNF-α) were reported in rats sera and the correlation between GSK-3, C-...
Source: Toxicology Reports - Category: Toxicology Source Type: research
ConclusionsClinicopathological features and survival outcomes in the PBM-treated patients were similar to previously published data for conventional treatments in patients with advanced OSCC. In this study, prophylactic use of PBM therapy did not impact treatment outcomes of the primary cancer, recurrence or new primary tumors, or survival in advanced OSCC patients.
Source: Supportive Care in Cancer - Category: Cancer & Oncology Source Type: research
Conclusion: This study showed weak positive correlation between mean eosinophils count in tumor and LNs. Recognition of TATE and MCs as integral to tumor biology opens an avenue for novel approaches to cancer therapies. We conclude that an increased number of immunological cells are a favorable prognostic indicator in OSCC.
Source: Journal of Oral and Maxillofacial Pathology - Category: ENT & OMF Authors: Source Type: research
Till 1998, a little was known about alternative forms of regulated cell death beside apoptosis. In present scenario, accumulating evidences suggest a form of programmed necrosis called Necroptosis which can be induced by various external stimuli including anticancer drugs, ionizing radiation, photodynamic therapy in the form of death domain receptor (DR) engagement by their respective ligands, TNF-alpha, Fas ligand (FasL) and TRAIL, under apoptosis deficient condition (caspase inhibitor),etc. receptor interacting protein-1 (RIP-1), a death domain containing kinase is the key molecule in necroptotic cell death pathway. On i...
Source: Oncology Reviews - Category: Cancer & Oncology Source Type: research
Tegillarca granosa extract Haishengsu inhibits tumor activity via a mitochondrial‑mediated apoptotic pathway. Mol Med Rep. 2018 Mar 01;: Authors: Chen XH, Han YT, Ye JL, Chang ZS, Wang CB, Chen SG Abstract Haishengsu (HSS) is an active natural extract isolated from Tegillarca granosa, which has previously been demonstrated to inhibit the proliferation of several types of cancer cells in vitro. Our previous study indicated that HSS may induce apoptosis to suppress growth of human hepatocellular carcinoma BEL‑7402 cells by activating Fas pathway. The present study demonstrated that HSS treatment...
Source: Molecular Medicine Reports - Category: Molecular Biology Tags: Mol Med Rep Source Type: research
In this study, responses of oral squamous cell carcinomas (OSCCs) to catalytic inhibition of JARID1B were assessed using CPI-455, the first tool compound with true JARID1 family selectivity. CPI-455 attenuated clonal sphere and tumor formation by stem-like cells that highly express JARID1B while also depleting the CD44-positive and Aldefluor-high fractions conventionally used to designate OSCC stem cells. Silencing JARID1B abrogated CPI-455's effects on sphere formation, supporting that the drug acted through this isoform. To further delineate CPI-455's capacity to block JARID1B's functions, its biologic effects were compa...
Source: Oncotarget - Category: Cancer & Oncology Tags: Oncotarget Source Type: research
The upregulation of co‐inhibitory immune checkpoints hampers the immune response toward tumor cells and facilitates the tumor cells ability to evade immunosurveillance. Specific inhibitory immune checkpoint delivers inhibitory signals to T cells using multiple mechanisms. More in‐depth understanding of the co‐inhibitory immune checkpoints could be exploited for head and neck squamous cell carcinoma (HNSCC) treatment. In this review, we summarize the expression and the mechanism of partial co‐inhibitory immune checkpoint signals and discuss targeting co‐inhibitory immune checkpoints as an immunotherapeutic target ...
Source: Oral Diseases - Category: ENT & OMF Authors: Tags: PROF SCULLY MEMORIAL ISSUE Source Type: research
The objectives of this study were to evaluate cytotoxicity, morphological changes, cell death mode (apoptosis/necrosis), and cell migration induced by DAM and NDAM on the most common type of oral cancer, oral squamous cell carcinoma (OSCC)cells. Anti-proliferative effects of these compounds against OSCC cell lines were determined by MTT assay. The mode of cell death was analysed by phase contrast and fluorescent microscopy as well as flow cytometry. In addition, cell migration was assessed. The results showed that DAM and NDAM exerted cytotoxicity against OSCC cells with IC50 values of 1.9 to>30 μg/ml after 72 h trea...
Source: Asian Pacific Journal of Cancer Prevention - Category: Cancer & Oncology Tags: Asian Pac J Cancer Prev Source Type: research
Conclusion: The high IRS shown in the treated oral cancer and HeLa culture cells may suggest that p53 expression in these culture cells is associated with the cell death mechanism induced by the exposure to noncontact electric fields, and the increased cell death in these culture cells may correlate with the IRS.Integr Med Int 2017;4:161-170
Source: Integrative Medicine International - Category: Complementary Medicine Source Type: research
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