Global Scenario of Research in Oral Cancer

Conclusion Proper oral screening and understanding of the genetic and environmental factors involved in oral carcinogenesis will allow the emphasis of cancer medicine to shift from the therapy of established oral cancer to the prevention of oral carcinogenesis.
Source: Journal of Maxillofacial and Oral Surgery - Category: ENT & OMF Source Type: research

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Authors: Michalek J, Brychtova S, Pink R, Dvorak Z Abstract Oral squamous cell carcinoma (OSCC) is a growing problem worldwide. Several biological and molecular criteria have been established for making a prognosis of OSCC. One of the most important factors affecting the risk of tumor recurrence and overall prognosis is perineural invasion and bone invasion. Perineural invasion is defined as a tumor spreading and the ability of tumor cells to penetrate around or through the nerve tissue. Perineural invasion can cause the tumor to spread to distant areas from the primary tumor location. One possible explanation for ...
Source: Biomedical Papers of the Medical Faculty of the Univ Palacky Olomouc Czech Repub - Category: Biomedical Science Tags: Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub Source Type: research
miR‑378a‑3p inhibits cellular proliferation and migration in glioblastoma multiforme by targeting tetraspanin 17. Oncol Rep. 2019 Aug 20;: Authors: Guo XB, Zhang XC, Chen P, Ma LM, Shen ZQ Abstract Glioblastoma multiforme (GBM) is the most common and aggressive brain tumor and patients with this disease tend to have poor clinical outcome. MicroRNAs (miRs) are important regulators of a number of key pathways implicated in tumor pathogenesis. Recently, the expression of miR‑378 was shown to be dysregulated in several different types of cancer, including gastric cancer, colorectal cancer and oral ca...
Source: Oncology Reports - Category: Cancer & Oncology Tags: Oncol Rep Source Type: research
A previously uncharacterized pathway of vitamin D3 metabolism has been confirmed to operate in vivo, and this pathway begins with hydroxylation at C20 or C22. Resulting products, 20(OH)D3 and 22(OH)D3, have been detected in human serum and skin, and they undergo further hydroxylation to produce biologically active compounds that are noncalcemic at high pharmacologic doses. Many of these compounds have shown to inhibit growth of melanoma cells and stimulate keratinocytes differentiation. The purpose of this study was to investigate whether these novel vitamin D hydroxyderivatives will demonstrate therapeutic efficacy agains...
Source: Journal of Investigative Dermatology - Category: Dermatology Authors: Tags: Carcinogenesis and Cancer Genetics Source Type: research
Authors: Alhouayek M, Boldrup L, Fowler CJ Abstract Little is known about the endocannabinoid (eCB) system in squamous cell carcinoma of the oral tongue (SCCOT). Here we have investigated, at the mRNA level, expression of genes coding for the components of the eCB system in tumour and non-malignant samples from SCCOT patients. Expression of NAPEPLD and PLA2G4E, coding for eCB anabolic enzymes, was higher in the tumour tissue than in non-malignant tissue. Among genes coding for eCB catabolic enzymes, expression of MGLL was lower in tumour tissue while PTGS2 was increased. It is concluded that the eCB system may be d...
Source: Cancer Investigation - Category: Cancer & Oncology Tags: Cancer Invest Source Type: research
The objective of this study is to determine whether a histological risk pattern indicative of higher recurrence might be present in T1-T2 tumors located in the anterior two thirds of the tongue. For this purpose, samples from 26 patients with OSCC were analyzed and histological risk pattern of recurrent and non-recurrent tumors were compared. We have analyzed histological variables described in Anneroth and Brandwein-Gensler classifications. Additionally, we have also examined both clinical variables such as age, sex or comorbidities, as well as habits such as tobacco or alcohol consumption. We found that sex (male) and ke...
Source: Medicina Oral, Patologia Oral y Cirugia Bucal - Category: ENT & OMF Tags: Med Oral Patol Oral Cir Bucal Source Type: research
Here, we report a case of myasthenia gravis and myopathy in a patient treated with nivolumab. A 76 ‐year‐old man who had been treated with four doses of nivolumab because of non‐small cell lung cancer (NSCLC) presented with proximal‐dominant muscle weakness and fluctuating ptosis and diplopia. Serologic studies revealed increased levels of muscle enzymes including creatine phosphokinase ( 2934 U/L), and acetylcholine receptor antibody was positive (1.31 nmol/L). Following electrodiagnostic study, he was diagnosed with myasthenia gravis and active stage of myopathy. After discontinuation of nivolumab, he was treated...
Source: Thoracic Cancer - Category: Cancer & Oncology Authors: Tags: CASE REPORT Source Type: research
CONCLUSION: Due to its unclear components, potential toxicities, misuse, and over-application, TCM might contribute to tumorigenesis and progression of head neck carcinoma. We seek effective approaches to ensure the safe use of TCM. PMID: 31424693 [PubMed - in process]
Source: Journal of B.U.ON. - Category: Cancer & Oncology Tags: J BUON Source Type: research
HR Shwetha, T SmithaJournal of Oral and Maxillofacial Pathology 2019 23(2):172-175 Exosomes are nano-sized particles which belong to the family of extracellular vesicles (EVs) that are produced in the endosomal compartment of those cells which mediate intercellular communication. These particles can be found abundantly in the biological body fluids such as urine, blood, saliva, cerebrospinal fluid and breast milk. These vesicles can transfer genetic materials such as the microRNAs, noncoding RNAs, DNA and lipids by means of direct or indirect cell-to-cell interaction. Consequently, there has been lot of growing interest r...
Source: Journal of Oral and Maxillofacial Pathology - Category: ENT & OMF Authors: Source Type: research
Conclusions: Ki-67 and p-16 can be useful as a marker of degree of dysplasia and transformation to malignancy. Ki-67 can also serve as a marker of degree of differentiation of tumors. Hence, they can serve as important ancillary markers to analyze the transition to carcinoma, dysplasia and progression of tumor.
Source: Journal of Oral and Maxillofacial Pathology - Category: ENT & OMF Authors: Source Type: research
Mithilesh N Mishra, Vidyadevi Chandavarkar, Ritika Sharma, Deepak BhargavaJournal of Oral and Maxillofacial Pathology 2019 23(2):267-272 CD44 is a group of protein molecules which perform a variety of functions. Their wide range of functions are mainly based on their multiple variations in their molecular structure. Furthermore, they are distributed in various tissues of the human body. They have a unique property of cell adhesion, which can lead to interaction between two different cells or a cell and its pericellular matrix. CD44 as a cell surface adhesive molecule helps in aggregation and migration of tumor cells. CD44...
Source: Journal of Oral and Maxillofacial Pathology - Category: ENT & OMF Authors: Source Type: research
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