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https://www.readbyqxmd.com/read/28428697/geraniol-inhibits-endometrial-carcinoma-via-downregulating-oncogenes-and-upregulating-tumour-suppressor-genes
#1
Sakkaravarthy Shanmugapriya, Perumal Subramanian, Sivamani Kanimozhi
Endometrial carcinoma is the fourth most abundant cancer worldwide in women. Female Wistar rats were segregated into five groups: group I-control, group II-MNNG (N-methyl-N'-nitro-N-nitrosoguanidine-150 mg/kg) administered through intravaginal detention of cotton absorbent, group III-geraniol (GOH) only, group IV-GOH-pretreated (7 days before the start of MNNG administration); and group V-Co-administration of geraniol with MNNG. In this study, reverse transcriptase- PCR of K-ras, MAPK, PI3K, Wnt/β-catenin genes, TGF-β and expressions of PCNA, PTEN, progesterone receptor and E-cadherin by Western blotting were performed from endometrial cancer tissue and control tissues...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28423619/cdca2-promotes-lung-adenocarcinoma-cell-proliferation-and-predicts-poor-survival-in-lung-adenocarcinoma-patients
#2
Run Shi, Chunrong Zhang, Yaqin Wu, Xin Wang, Qi Sun, Jing Sun, Wenjie Xia, Gaochao Dong, Anpeng Wang, Feng Jiang, Lin Xu
Cell division cycle associated 2(CDCA2) is overexpressed in neuroblastoma and oral squamous cell carcinoma, and its overexpression positively correlates to tumor progression. However, the biological and clinical significance of CDCA2 in lung adenocarcinoma(LAC) has never been investigated. We determined the expression profile and clinical significance of CDCA2 using The Cancer Genome Atlas(TCGA) and tissue microarray(TMA). Furthermore, we explored the biological function of CDCA2 both in vitro and in vivo. A great upregulation of CDCA2 was observed in LAC tissues compared with adjacent normal tissues...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418875/incidence-and-clearance-of-oral-human-papillomavirus-infection-a-population-based-cohort-study-in-rural-china
#3
Chaoting Zhang, Fangfang Liu, Yaqi Pan, Qiuju Deng, Xiang Li, Zhonghu He, Mengfei Liu, Tao Ning, Chuanhai Guo, Yongmei Liang, Ruiping Xu, Lixin Zhang, Hong Cai, Yang Ke
The natural history of oral human papillomavirus (HPV) infection which is linked with the increased incidence of oropharyngeal squamous cell cancer (OPSCC) has been incompletely studied. Oral swab specimens and questionnaire data were obtained bi-annually for up to 6 visits from 4314 healthy adults aged 25-69 in rural Anyang, China. HPV infection status was evaluated with PCR-based sequencing. Participants with at least two consecutive valid HPV results within the study period were included in the incidence and clearance analysis...
March 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418862/niclosamide-is-a-potential-therapeutic-for-familial-adenomatosis-polyposis-by-disrupting-axin-gsk3-interaction
#4
Sung Yong Ahn, Nam Hee Kim, Kyungro Lee, Yong Hoon Cha, Ji Hye Yang, So Young Cha, Eunae Sandra Cho, Yoonmi Lee, Jeong Seok Cha, Hyun Soo Cho, Yoon Jeon, Young-Su Yuk, Suebean Cho, Kyoung Tai No, Hyun Sil Kim, Ho Lee, Jiwon Choi, Jong In Yook
The epithelial-mesenchymal transition (EMT) is implicated in tumorigenesis and cancer progression, and canonical Wnt signaling tightly controls Snail, a key transcriptional repressor of EMT. While the suppression of canonical Wnt signaling and EMT comprises an attractive therapeutic strategy, molecular targets for small molecules reverting Wnt and EMT have not been widely studied. Meanwhile, the anti-helminthic niclosamide has been identified as a potent inhibitor of many oncogenic signaling pathways although its molecular targets have not yet been clearly identified...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28368401/circrna_100290-plays-a-role-in-oral-cancer-by-functioning-as-a-sponge-of-the-mir-29-family
#5
L Chen, S Zhang, J Wu, J Cui, L Zhong, L Zeng, S Ge
Circular RNAs (circRNAs) represent a class of non-coding RNAs that are widely expressed in mammals. However, it is largely unknown about the function of human circRNAs and the roles of circRNAs in human oral squamous cell carcinomas (OSCC). Here we performed a comprehensive study of circRNAs in human OSCC using circRNA and mRNA microarrays, and identified many circRNAs that are differentially expressed between OSCC tissue and paired non-cancerous matched tissue. We further found a circRNA termed circRNA_100290 that served as a critical regulator in OSCC development...
April 3, 2017: Oncogene
https://www.readbyqxmd.com/read/28362190/hpv-epigenetic-mechanisms-related-to-oropharyngeal-and-cervix-cancers
#6
Marina Di Domenico, Giancarlo Giovane, Soumaya Kouidhi, Rosamaria Iorio, Maurizio Romano, Francesco De Francesco, Antonia Feola, Camilla Siciliano, Luigi Califano, Antonio Giordano
Human Papilloma Virus infection is very frequent in humans and is mainly transmitted sexually. The majority of infections are transient and asymptomatic, however, if the infection persists, it can occur with a variety of injuries to skin and mucous membranes, depending on the type of HPV involved. Some types of HPV are classified as high oncogenic risk as associated with the onset of cancer. The tumors most commonly associated with HPV are cervical and oropharyngeal cancer, epigenetic mechanisms related to HPV infection include methylation changes to host and viral DNA and chromatin modification in host species...
March 31, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28357382/hpv-disease-transmission-protection-and-control
#7
REVIEW
Neil D Christensen
Human papillomaviruses (HPVs) represent a large collection of viral types associated with significant clinical disease of cutaneous and mucosal epithelium. HPV-associated cancers are found in anogenital and oral mucosa, and at various cutaneous sites. Papillomaviruses are highly species and tissue restricted, and these viruses display both mucosotropic, cutaneotropic or dual tropism for epithelial tissues. A subset of HPV types, predominantly mucosal, are also oncogenic and cancers with these HPV types account for more than 200,000 deaths world-wide...
September 5, 2016: Microbial Cell
https://www.readbyqxmd.com/read/28351566/micrornas-in-human-tongue-squamous-cell-carcinoma-from-pathogenesis-to-therapeutic-implications
#8
REVIEW
Omer Faruk Karatas, Muhammet Oner, Alican Abay, Ali Diyapoglu
Being one of the most aggressive cancers of oral cavity, tongue squamous cell carcinoma (TSCC) constitutes 41% of all oral carcinomas. Despite considerable improvements in multimodal diagnosis and treatment techniques, TSCC still remains to be one of the most lethal cancer types in the head and neck region. MicroRNAs are endogenously synthesized, small, non-coding RNAs, which are responsible for post-transcriptional regulation of mRNA expression. They are involved in regulation of almost all biological processes through their spatial and temporal expression...
April 2017: Oral Oncology
https://www.readbyqxmd.com/read/28349372/nut-midline-carcinoma-of-the-sublingual-gland-clinical-presentation-and-review
#9
Nolan B Seim, Ramez H W Philips, Lynn Schoenfield, Theodoros N Teknos, James W Rocco, Amit Agrawal, Enver Ozer, Ricardo L Carrau, Stephen Y Kang, Matthew O Old
NUT midline carcinoma (NMC) is a rare and aggressive disease encountered in the midline of the head and neck or mediastinum. Due to its sparse incidence and subtle pathologic features, we aim to increase knowledge and awareness for this pathologic entity. We present an exemplary case of a young, healthy male presenting with oral cavity pain and cervical lymphadenopathy. This patient was initially diagnosed with an unspecified, highly aggressive sublingual gland malignancy and underwent locoregional resection with free flap reconstruction however suffered a rapid local recurrence and widely extensive metastasis within just 1 month...
March 27, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28319807/targeting-nf-kappa-b-signaling-by-artesunate-restores-sensitivity-of-castrate-resistant-prostate-cancer-cells-to-antiandrogens
#10
Jessica J Nunes, Swaroop K Pandey, Anjali Yadav, Sakshi Goel, Bushra Ateeq
Androgen deprivation therapy (ADT) is the most preferred treatment for men with metastatic prostate cancer (PCa). However, the disease eventually progresses and develops resistance to ADT in majority of the patients, leading to the emergence of metastatic castration-resistant prostate cancer (mCRPC). Here, we assessed artesunate (AS), an artemisinin derivative, for its anticancer properties and ability to alleviate resistance to androgen receptor (AR) antagonists. We have shown AS in combination with bicalutamide (Bic) attenuates the oncogenic properties of the castrate-resistant (PC3, 22RV1) and androgen-responsive (LNCaP) PCa cells...
April 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28314267/induced-pluripotent-stem-cell-related-genes-contribute-to-de-differentiation-in-oral-squamous-cell-carcinoma
#11
Daisuke Takeda, Takumi Hasegawa, Takeshi Ueha, Eiji Iwata, Risa Harada, Akiko Sakakibara, Teruya Kawamoto, Tsutomu Minamikawa, Yoshitada Sakai, Takahide Komori
BACKGROUND/AIM: Cancer stem cells are suspected to contribute to malignancy in tumors. Hypoxia affects cell differentiation and induces stem-cell-like characteristics in malignancies. Induced pluripotency was demonstrated in mouse fibroblasts by reprogramming with four transcriptional factors: Oct3/4, Sox2, c-Myc, and Klf4. Conversely, oncogenic transformations frequently express transcriptional factors and Nanog. Therefore, cancer cells present some similarities with induced pluripotent stem (iPS) cells...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28314265/next-generation-sequencing-for-microrna-profiling-microrna-21-3p-promotes-oral-cancer-metastasis
#12
Hui-Hwa Tseng, Yu-Kai Tseng, Jyun-Jie You, Bor-Hwang Kang, Tsung-Han Wang, Cheng-Mei Yang, Hung-Chih Chen, Huei-Han Liou, Pei-Feng Liu, Luo-Ping Ger, Kuo-Wang Tsai
Dysfunctional microRNAs (miRNAs) play a crucial role in oral squamous cell carcinoma (OSCC) progression. In the present study, we performed next-generation sequencing for miRNA profiling of the OSCC tissues and corresponding adjacent normal tissues in two patients with OSCC. We observed that 45 miRNAs were substantially up-regulated and 17 miRNAs were down-regulated in OSCC tissues. Since information on the biological role of miR-21-3p (passenger strand) in OSCC is limited, the expression levels of miR-21-3p were further evaluated in 95 OSCC tissue samples by a stem-loop real-time polymerase chain reaction...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28302215/-altered-treg-and-il-1a-expression-in-the-immune-microenvironment-%C3%A2-of-lung-squamous-cell-cancer-after-egfr-blockade
#13
Haiyang He, Luyu Qi, Yiling Hou
BACKGROUND: Targeting the mutations and amplifications in the epidermal growth factor receptor (EGFR) gene has curative effects on cancers of the lung, oral cavity, and gastrointestinal system. However, a systemic immune inflammation is an adverse effect of this therapeutic strategy. In this study, we aimed to identify the possible changes in the tumor microenvironment that contribute to the anti-cancer activity of EGFR inhibition. METHODS: Squamous-cell cancers were induced by the syngeneic transplantation of either EGFR-null or wild-type mouse primary keratinocytes that had been transduced with an oncogenic H-ras retrovirus...
March 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28259286/targeting-hif-2-%C3%AE-in-clear-cell-renal-cell-carcinoma-a-promising-therapeutic-strategy
#14
REVIEW
Olga Martínez-Sáez, Pablo Gajate Borau, Teresa Alonso-Gordoa, Javier Molina-Cerrillo, Enrique Grande
The loss of the Von Hippel-Lindau tumor suppressor (VHL) is a key oncogenic event in the vast majority of patients with clear cell renal cell carcinoma (ccRCC). With the loss of the VHL protein (pVHL) function, the hypoxia inducible factor α (HIF-α) accumulates inside the tumor cell and dimerizes with HIF-β. The HIF-α/HIF-β complex transcriptionally activates hundreds of genes promoting the adaptation to hypoxia that is implicated in tumor development. There is growing evidence showing that HIF-2α subunit has a central role in ccRCC over HIF-1α...
March 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28255850/clinical-pharmacokinetics-of-vemurafenib
#15
REVIEW
Weijiang Zhang, Dominik Heinzmann, Joseph F Grippo
Vemurafenib is an orally administered small-molecule inhibitor of the oncogenic BRAF kinase that is indicated for the treatment of patients with unresectable or metastatic melanoma harbouring BRAF (V600) mutations. Vemurafenib is absorbed rapidly after a single oral dose of 960 mg, reaching maximum drug concentration approximately 4 h after administration. Extensive accumulation occurs after multiple dosing at 960 mg twice daily. Steady state is achieved after approximately 15-21 days and exposure at steady state is relatively constant...
March 2, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28253242/oral-cancer-risk-factors-in-new-zealand
#16
Muhammed Yakin, Ratu Osea Gavidi, Brian Cox, Alison Rich
Oral cancer constitutes the majority of head and neck cancers, which are the fifth most common malignancy worldwide, accounting for an estimated 984,430 cases in 2012. Between 2000 and 2010, there were 1,916 cases of OSCC in New Zealand with a male to female ratio of 1.85:1, and an age-standardised incidence rate of 42 persons per 1,000,000 population. This article presents an overview of the main risk factors for oral and oropharyngeal cancers and their prevalence in New Zealand. Alcohol consumption is the most prevalent risk factor in New Zealand, followed by tobacco...
March 3, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28245875/severe-nivolumab-induced-pneumonitis-preceding-durable-clinical-remission-in-a-patient-with-refractory-metastatic-lung-squamous-cell-cancer-a-case-report
#17
Hong Li, Weijie Ma, Ken Y Yoneda, Elizabeth H Moore, Yanhong Zhang, Lee L Q Pu, Garrett M Frampton, Michael Molmen, Philip J Stephens, Tianhong Li
BACKGROUND: Programmed cell death 1 (PD-1) and its ligand 1 (PD-L1) inhibitors have quickly become standard of care for patients with advanced non-small cell lung cancer and increasing numbers of other cancer types. In this report, we discuss the clinical history, pathological evaluation, and genomic findings in a patient with metastatic lung squamous cell cancer (SCC) who developed severe nivolumab-induced pneumonitis preceding durable clinical remission after three doses of nivolumab...
February 28, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28236116/clinical-pharmacokinetic-and-pharmacodynamic-profile-of-lenvatinib-an-orally-active-small-molecule-multitargeted-tyrosine-kinase-inhibitor
#18
Ziad Hussein, Hitoshi Mizuo, Seiichi Hayato, Masayuki Namiki, Robert Shumaker
Lenvatinib is a multikinase inhibitor that targets vascular endothelial growth factor (VEGF) receptors 1-3, fibroblast growth factor receptors 1-4, platelet-derived growth factor receptor-alpha, and RET and KIT proto-oncogenes. Lenvatinib is approved for the treatment of radioiodine-refractory differentiated thyroid cancer in the United States (US), European Union (EU), Canada, Japan, and Switzerland. It is also approved in combination with everolimus for the treatment of advanced renal cell carcinoma following ≥1 VEGF-targeted treatment in the US and EU...
February 24, 2017: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28223824/mir182-activates-the-ras-mek-erk-pathway-in-human-oral-cavity-squamous-cell-carcinoma-by-suppressing-rasa1-and-spred1
#19
Jinhui Wang, Wei Wang, Jichen Li, Liji Wu, Mei Song, Qinggang Meng
PURPOSE: The constitutive activation of the Ras-MEK-ERK signaling pathway in oral cavity squamous cell carcinoma (OSCC) has been found to be tightly controlled at multiple levels under physiological conditions. RASA1 and SPRED1 are two important negative regulators of this pathway, but the exact regulating mechanism remains unclear. In this study, we aimed to explore the potential regulating mechanisms involved in the Ras-MEK-ERK signaling pathway in OSCC. MATERIALS AND METHODS: MicroRNA (miRNA) expression was detected by quantitative reverse-transcription polymerase chain reaction...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28193778/ag-221-a-first-in-class-therapy-targeting-acute-myeloid-leukemia-harboring-oncogenic-idh2-mutations
#20
Katharine Yen, Jeremy Travins, Fang Wang, Muriel D David, Erin Artin, Kim Straley, Anil Padyana, Stefan Gross, Byron DeLaBarre, Erica Tobin, Yue Chen, Raj Nagaraja, Sung Choe, Lei Jin, Zenon Konteatis, Giovanni Cianchetta, Jeffrey O Saunders, Francesco G Salituro, Cyril Quivoron, Paule Opolon, Olivia Bawa, Véronique Saada, Angelo Paci, Sophie Broutin, Olivier A Bernard, Stéphane de Botton, Benoît S Marteyn, Monika Pilichowska, YingXia Xu, Cheng Fang, Fan Jiang, Wentao Wei, Shengfang Jin, Lee Silverman, Wei Liu, Hua Yang, Lenny Dang, Marion Dorsch, Virginie Penard-Lacronique, Scott A Biller, Shin-San Michael Su
Somatic gain-of-function mutations in isocitrate dehydrogenase (IDH) 1 and 2 are found in multiple hematologic and solid tumors, leading to accumulation of the oncometabolite, (R)-2-hydroxyglutarate (2HG). 2HG competitively inhibits α-ketoglutarate-dependent dioxygenases, including histone demethylases and methylcytosine dioxygenases of the Tet family, causing epigenetic dysregulation and a block in cellular differentiation. In vitro studies have provided proof of concept for mutant IDH inhibition as a therapeutic approach...
February 13, 2017: Cancer Discovery
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