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cervical cancer biomarkers

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https://www.readbyqxmd.com/read/28105205/microrna-320-regulates-the-radiosensitivity-of-cervical-cancer-cells-c33ar-by-targeting-%C3%AE-catenin
#1
Chun-Xu Yang, Shi-Min Zhang, Jie Li, Bo Yang, Wen Ouyang, Zi-Jie Mei, Jing Chen, Jing Dai, Su Ke, Fu-Xiang Zhou, Yun-Feng Zhou, Cong-Hua Xie
Cervical cancer is the second most common malignancy in women worldwide and always has recurrence owing to radioresistance. MicroRNA (miRNA or miR) has been identified to relate to the sensitivity of cancer radiotherapy. Here, we investigated the potential of miRNA-320 as a biomarker for radiosensitivity by targeting β-catenin in cervical cancer. A radioresistant cervical cancer cell line, C33AR, was established, and the radioresistance of C33AR cells was confirmed by a colony-formation assay. The expression of miRNA-320 was detected by reverse transcription-quantitative polymerase chain reaction, and compared between C33A and C33AR...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105100/clinical-significance-of-leukocyte-associated-immunoglobulin-like-receptor-1-expression-in-human-cervical-cancer
#2
Yue Wang, Xueshan Zhang, Fang Miao, Yanning Cao, Jiangnan Xue, Qizhi Cao, Xiaoshu Zhang
Leukocyte-associated immunoglobulin-like receptor-1 (LAIR-1) is broadly expressed on the majority of immune cells; however, the biological role of LAIR in solid tumors has yet to be elucidated. In the present study, using immunohistochemical staining analysis, the expression of LAIR-1 in human cervical cancer (HCC) and nontumor-adjacent tissue specimens was determined, and the results indicated that the expression of LAIR-1 in HCC tissue was higher compared with that in noncancerous tissue. The χ(2) test was used to analyze the correlation between the expression of LAIR-1 in tumor tissues with clinicopathological parameters...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28102867/a-systems-approach-for-the-elucidation-of-crucial-genes-and-network-constituents-of-cervical-intraepithelial-neoplasia-1-cin1
#3
Shikha Suman, Ashutosh Mishra, Anurag Kulshrestha
Cervical intra-epithelial neoplasia 1 (CIN1) is a pre-cancerous cervical cancer condition characterized by changes in the squamous cells of the cervix. Early detection may facilitate treatment as CIN1 may increase the risk of developing cervical cancer. An extensive system level analysis has been carried out to detect crucial network components of CIN1. Differential expression analysis was performed to identify genes that are differentially expressed in CIN1 in comparison to normal cells. Gene Ontology (GO) and pathway enrichment analyses of DEGs were followed by the construction of a protein-protein interaction (PPI) network...
January 19, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28101358/novel-predictive-biomarkers-for-cervical-cancer-prognosis
#4
Pablo Moreno-Acosta, Schyrly Carrillo, Oscar Gamboa, Alfredo Romero-Rojas, Jinneth Acosta, Monica Molano, Joseph Balart-Serra, Martha Cotes, Chloé Rancoule, Nicolas Magné
High hypoxic, glycolytic and acidosis metabolisms characterize cervical cancer tumors and have been described to be involved in chemoradioresistance mechanisms. Based on these observations, the present study assessed four selected novel biomarkers on the prognosis of locally advanced cervical carcinoma. A total of 66 patients with stage IIB/IIIB cervical cancer were retrospectively included. The protein expression levels of glucose transporter 1 (GLUT1), carbonic anhydrase 9 (CAIX) and hexokinase 1 (HKII) were investigated by immunohistochemistry on tumor biopsies, hemoglobin was measured and the disease outcome was monitored...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28098890/characterization-of-the-microrna-profile-in-early-stage-cervical-squamous-cell-carcinoma-by-next-generation-sequencing
#5
Wansong Lin, Mei Feng, Guilin Chen, Zhifeng Zhou, Jieyu Li, Yunbin Ye
Squamous cell carcinoma (SCC) is histologically the most prominent type of cervical cancer. There is accumulating evidence suggesting that microRNAs (miRNAs) play important regulatory roles in the biological processes of cervical squamous cell carcinoma (CSCC). Deciphering the miRNA regulatory network in CSCC could deepen our understanding at the molecular level of CSCC initiation and progression. In the present study, we performed next‑generation sequencing (NGS) to profile miRNA expression in 3 pairs of early-stage CSCC samples...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28093271/characterization-and-clinical-validation-of-mcm2-and-top2a-monoclonal-antibodies-in-the-bd-proex%C3%A2-c-assay-an-immunoassay-which-detects-aberrant-s-phase-induction-in-cervical-tissue
#6
Eric P Dixon, Lorraine M King, Ramona Nelson, Stephen G Simkins, Steven L Knapp, George H Brough, Karen L Lenz, Dorian T Henderson, Clark M Whitehead, Janice Hessling, Charlotte A Brown, Douglas P Malinowski
BACKGROUND: The Papanicolaou (Pap) screen has been successful in reducing cervical cancer; but exhibits low sensitivity when detecting cervical dysplasia. Use of molecular biomarkers in Pap tests may improve diagnostic accuracy. DESIGN: Monoclonal antibodies to Minichromosome Maintenance Protein 2 (MCM2) and DNA Topoisomerase II α (TOP2A) were selected for use in IHC based on their ability to differentiate normal from diseased cervical tissues in tissue microarrays...
January 13, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28093193/hbxip-over-expression-as-an-independent-biomarker-for-cervical-cancer
#7
Nan Li, Yixuan Wang, Shuanlong Che, Yang Yang, Junjie Piao, Shuangping Liu, Zhenhua Lin
BACKGROUND: Emerging evidence demonstrated that hepatitis B virus X-interacting protein (HBXIP) has broad roles in cancers. However, high-level expression of HBXIP has been correlated with human malignancies, suggesting roles in carcinogenesis and tumor progression. The aim of the study is to investigate the role and mechanism of HBXIP oncogene and the correlation to the clinicopathological status in cervical cancers. METHODS: A total of 107 cervical cancer patients with strict follow-up, 105 cervical intraepithelial neoplasia (CIN) and 31 normal cervical epithelia samples were selected for immunohistochemical (IHC) staining of HBXIP protein...
January 13, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28088799/use-of-spinal-cord-diffusion-tensor-imaging-to-quantify-neural-ablation-and-evaluate-outcome-after-percutaneous-cordotomy-for-intractable-cancer-pain
#8
Aditya Vedantam, Ping Hou, T Linda Chi, Patrick M Dougherty, Kenneth R Hess, Ashwin Viswanathan
BACKGROUND: Up to 20% of patients experience only partial pain relief after percutaneous cordotomy for cancer pain. OBJECTIVE: To determine whether diffusion tensor imaging (DTI) can quantify neural ablation and help evaluate early postoperative outcomes after cordotomy. METHODS: Patients undergoing percutaneous CT-guided cordotomy for intractable cancer pain were prospectively studied. Pre- and postoperative assessment was made using the visual analog scale (VAS) on pain and the pain severity scores of the Brief Pain Inventory Short Form...
January 14, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28074045/high-expression-of-stromal-cell-derived-factor-1-sdf-1-and-nf-%C3%AE%C2%BAb-predicts-poor-prognosis-in-cervical-cancer
#9
Zhiwang Song, Xia Zhang, Xiaojuan Ye, Chan Feng, Guang Yang, Yonglin Lu, Yun Lin, Chunyan Dong
BACKGROUND SDF-1 and NF-κB are associated with the prognosis of a wide range of cancers, but their value in cervical cancer remains controversial. The aim of this study was to investigate the expression of SDF-1and NF-κB in cervical cancer and their significance in clinical prognosis. MATERIAL AND METHODS The expression of SDF-1and NF-κB in 105 formalin-fixed, paraffin-embedded cervical cancer tissues and the adjacent tissues was examined by immunohistochemistry (IHC). The results were semi-quantitatively scored and analyzed by chi-square test...
January 11, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28069683/targeted-deep-sequencing-reveals-full-methylation-profiles-of-multiple-hpv-types-and-potential-biomarkers-for-cervical-cancer-progression
#10
Pengyuan Liu, Marissa Iden, Samantha Fye, Yi-Wen Huang, Elizabeth Hopp, Chen Chu, Yan Lu, Janet S Rader
BACKGROUND: Invasive cervical cancer (ICC) and its premalignant phase (cervical intraepithelial neoplasia; CIN1-3) are distinguished by gynecological and pathological examination, yet no current methodologies can predict precancerous lesions that are destined to progress to ICC. Thus, development of reliable assays to assess patient prognosis is much needed. METHODS: HPV DNA methylation is significantly altered in cervical disease. Using an HPV-enrichment approach and next-generation DNA sequencing, methylation status was characterized in a case-case comparison of CIN (n = 2 CIN1; n = 2 CIN2; n = 20 CIN3) and ICC (n = 37) samples...
January 9, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28048576/we-h-207a-04-impact-of-lesion-location-on-the-repeatability-of-18f-naf-pet-ct
#11
C Lin, T Perk, S Harmon, S Perlman, G Liu, R Jeraj
PURPOSE: Quantifying the repeatability of imaging biomarkers is critical for assessing therapeutic response. While (18) F-NaF PET/CT has shown to be a repeatable imaging method, research has not shown which factors may influence its repeatability. The purpose of this study was to evaluate whether the location of the lesion impacts the repeatability of quantitative (18) F-NaF PET-derived SUV metrics. METHODS: Metastatic castrate-resistant prostate cancer patients with multiple bone lesions received whole-body test-retest NaF PET/CT scans...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28044951/clinical-value-of-hematological-biomarkers-in-uterine-cervical-cancer
#12
Mihaela Mădălina Gavrilescu, Ionut Hutanu, Nicolae Ioanid, Ana Maria Musina, Buna Arvinte Mihaela, Mihaela Moscalu, Ioana Sadiye Scripcariu, Viorel Scripcariu
: Certain combinations of the hematological components, specifically, neutrophils and lymphocytes, named neutrophil to lymphocyte ratio (NLR) or multiplication of neutrophil and monocyte (MNM) have been shown to have prognostic value in a variety of cancers. MATERIAL AND METHODS: Retrospective study which included 133 patients with uterine cervical cancer with or without neoadjuvant therapy based on prognostic factors and correlations between NLR and MNM values, markers that were analyzed as continuous variables...
November 2016: Chirurgia
https://www.readbyqxmd.com/read/28044307/expression-of-p63-p53-and-ki-67-in-patients-with-cervical-intraepithelial-neoplasia
#13
Androniks Mitildzans, Anastasija Arechvo, Dace Rezeberga, Sergejs Isajevs
OBJECTIVE: Cervical intraepithelial neoplasia (CIN) is a dysplastic process in cervical squamous epithelium and carries a risk of progression to cervical cancer. The aim of this study was to compare expression of three biomarkers named p53, p63 and Ki-67 in patients with various grades of cervical intraepithelial neoplasia and in a control group. MATERIAL AND METHOD: 58 patients were enrolled in the study. Each patient underwent a colposcopy-guided biopsy of the cervix...
2017: Türk Patoloji Dergisi
https://www.readbyqxmd.com/read/28036259/subcellular-localization-of-foxo3a-as-a-potential-biomarker-of-response-to-combined-treatment-with-inhibitors-of-pi3k-and-autophagy-in-pik3ca-mutant-cancer-cells
#14
Hyun-Jung Kim, Soo Yoon Lee, Chan Young Kim, Yun Hwan Kim, Woong Ju, Seung Chloe Kim
Autophagy is the process of lysosome-mediated degradation and recycling that functions as an adaptive survival mechanism during anti-cancer therapy. Aberrant activation of the phosphoinositide-3-kinase (PI3K) pathway frequently occurs in solid tumors, including cervical cancer. However, single-agent PI3K inhibitors show modest anti-tumor efficacy in clinics. To see whether autophagy inhibition improves the efficacy of PI3K inhibitor in PIK3CA-mutant cancer cells, cells were treated with BKM120, a pan-PI3K inhibitor, and the autophagy inhibitor hydroxychloroquine (HCQ)...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28035725/cyclophosphamide-promotes-breast-cancer-cell-migration-through-cxcr4-and-matrix-metalloproteinases
#15
Chao-Ming Hung, Yi-Chiang Hsu, Tzu-Yu Chen, Chi-Chang Chang, Mon-Juan Lee
Cyclophosphamide is indicated for the treatment of cancerous diseases such as breast cancer and cervical cancer. Recent studies have shown that cyclophosphamide may induce cancer metastasis, but the cause of this unexpected adverse effect is not fully understood. In this study, we investigate the effect of cyclophosphamide on cancer cell migration, and its correlation to chemokine (C-X-C motif) receptor 4 (CXCR4), a biomarker for cancer metastasis. Two human cancer cell lines with significant difference in endogenous CXCR4 expression, the breast cancer cell line, MDA-MB-231, and the melanoma cell line, MDAMB- 435S, were treated with various concentrations of cyclophosphamide, followed by the assessment of CXCR4 expression and cell migration...
December 29, 2016: Cell Biology International
https://www.readbyqxmd.com/read/28013346/the-expression-of-foxp3-and-tlr4-in-cervical-cancer-association-with-immune-escape-and-clinical-pathology
#16
Huijie Zhang, Shulan Zhang
PURPOSE: To explore the expression of forkhead/winged helix transcription factor p3(Foxp3) and toll-like receptor 4(TLR4) in cervical cancer and evaluate their clinical significance. METHODS: Foxp3 and TLR4 protein expression was detected in 105 cervical tissue specimens including cervical cancer, cervical intraepithelial neoplasia (CIN), and healthy control samples using immunohistochemistry. Their relationship with clinicopathologic parameters was also determined...
December 24, 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28008773/radiotherapy-response-evaluation-using-fdg-pet-ct-established-and-emerging-applications
#17
Helen Cliffe, Chirag Patel, Robin Prestwich, Andrew Scarsbrook
Radiation therapy is a common component of curative cancer treatment. However, there is a significant incidence of treatment failure. In these cases salvage surgical options are sometimes appropriate. Accurate assessment of response and early recognition of treatment success or failure is therefore critical to guide treatment decisions and impacts on survival and the morbidity of treatment. Traditionally, treatment response has depended upon anatomical measurement of disease. However, this may not correlate well with the presence of disease, especially after radiotherapy...
December 23, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/28002801/effect-of-3q-oncogenes-sec62-and-sox2-on-lymphatic-metastasis-and-clinical-outcome-of-head-and-neck-squamous-cell-carcinomas
#18
Florian Bochen, Hana Adisurya, Silke Wemmert, Cornelia Lerner, Markus Greiner, Richard Zimmermann, Andrea Hasenfus, Mathias Wagner, Sigrun Smola, Thorsten Pfuhl, Alessandro Bozzato, Basel Al Kadah, Bernhard Schick, Maximilian Linxweiler
Chromosome 3q26 amplification represents a frequent alteration in head and neck squamous cell carcinomas (HNSCCs). Overexpression of 3q26 encoded genes SEC62 and SOX2 was detected in various cancers, including HNSCCs, indicating their potential function as oncogenes. In our study, we elucidated the function of SEC62 and SOX2 in HNSCC patients, with a main focus on their effect on lymphatic metastasis and patient survival. We analyzed SEC62 and SOX2 expression in tissue specimens from 65 HNSCC patients and 29 patients with cervical cancer of unknown primary (CUP); a higher SEC62 and lower SOX2 expression was observed in the lymph node metastases from HNSCC patients compared with the respective primary tumor...
December 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27998970/a-phase-i-trial-of-paclitaxel-cisplatin-and-veliparib-in-the-treatment-of-persistent-or-recurrent-carcinoma-of-the-cervix-an-nrg-oncology-study-nct-01281852
#19
P H Thaker, R Salani, W E Brady, H A Lankes, D E Cohn, D G Mutch, R S Mannel, K M Bell-McGuinn, P A DiSilvestro, D Jelovac, J S Carter, W Duan, K E Resnick, D S Dizon, C Aghajanian, P M Fracasso
BACKGROUND: Preclinical studies demonstrate poly (ADP-ribose) polymerase (PARP) inhibition augments apoptotic response and sensitizes cervical cancer cells to the effects of cisplatin. Given the use of cisplatin and paclitaxel as first-line treatment for persistent or recurrent cervical cancer, we aimed to estimate the maximum tolerated dose (MTD) of the PARP inhibitor veliparib when added to chemotherapy. PATIENTS AND METHODS: Women with persistent or recurrent cervical carcinoma not amenable to curative therapy were enrolled...
December 19, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27929537/upregulation-of-mir-205-under-hypoxia-promotes-epithelial-mesenchymal-transition-by-targeting-aspp2
#20
Xingwen Wang, Miao Yu, Kunming Zhao, Mengmeng He, Wenjie Ge, Yuhui Sun, Yihua Wang, Haizhu Sun, Ying Hu
The epithelial-mesenchymal transition (EMT) is one of the crucial procedures for cancer invasion and distal metastasis. Despite undergoing intensive studies, the mechanisms underlying EMT remain to be completely elucidated. Here, we identified that apoptosis-stimulating protein of p53-2 (ASPP2) is a novel target of MiR-205 in various cancers. Interestingly, the binding site of MiR-205 at the 3'-untranslated region of ASPP2 was highly conserved among different species. An inverse correlation between MiR-205 and ASPP2 was further observed in vivo in cervical cancers, suggesting MiR-205 may be an important physiological inhibitor of ASPP2...
December 8, 2016: Cell Death & Disease
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