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cervical cancer

H-H Zhang, A-H Li
OBJECTIVE: Long noncoding RNA FEZF1-AS1 (FEZF1-AS1) has been showed to involve in a variety of cancers. However, its function and clinical significance in cervical cancer (CC) have not been investigated. The aim of this study was to explore the prognostic value of FEZF1-AS1 in CC patients. PATIENTS AND METHODS: Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) was used to determine the expression level of FEZF1-AS1 in CC specimens and adjacent normal cervical tissues...
June 2018: European Review for Medical and Pharmacological Sciences
Nicole G Campos, Naomi Lince-Deroche, Carla J Chibwesha, Cynthia Firnhaber, Jennifer S Smith, Pam Michelow, Gesine Meyer-Rath, Lise Jamieson, Suzette Jordaan, Monisha Sharma, Catherine Regan, Stephen Sy, Gui Liu, Vivien Tsu, Jose Jeronimo, Jane J Kim
BACKGROUND: Women with HIV face an increased risk of human papillomavirus (HPV) acquisition and persistence, cervical intraepithelial neoplasia, and invasive cervical cancer. Our objective was to determine the cost-effectiveness of different cervical cancer screening strategies among women with HIV in South Africa. METHODS: We modified a mathematical model of HPV infection and cervical disease to reflect co-infection with HIV. The model was calibrated to epidemiologic data from HIV-infected women in South Africa...
June 15, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
Zhihua Chen, Mengzhen Zhang, Yuhuan Qiao, Junjuan Yang, Qinan Yin
BACKGROUND: The human cervical carcinoma oncogenic mechanisms still remain elusive. Thus, we proposed to understand the biological role of a newly discovered therapeutic miRNA. METHODS: MiR-1297 related to human cervical carcinoma was selected for this study. TaqMan qRT- PCR assay was used to profile miRNA, phosphatase and tensin homolog (PTEN) expression in randomly chosen tumour with non-tumour tissues, and the apoptosis factors expression. Cell proliferation was monitored by CCK-8 assay and colony formation assay...
June 19, 2018: Artificial Cells, Nanomedicine, and Biotechnology
Shumei Wang, Yaqi Zhang, Shunping Yuan, Xiaoling Ji
A large body of evidence has indicated that microRNAs (miRNAs/miRs) have essential roles in the development and progression of cervical cancer. Thus, miRNAs with dysregulated expression are potential biomarkers for cervical cancer diagnosis and prognosis. In the present study, expression levels of miR‑485 were detected in cervical cancer tissues and cell lines. The effects of miR‑485 overexpression on the proliferation and invasion of cervical cancer cells were determined with Cell Counting kit‑8 and Transwell invasion assays...
June 18, 2018: Molecular Medicine Reports
Xiao-Hui Zhang, Lin Yang, Xiao-Jun Liu, Ying Zhan, Yu-Xia Pan, Xing-Zhe Wang, Jian-Min Luo
Suppressor of cytokine signaling‑1 (SOCS1) is a widely recognized tumor suppressor gene. Silencing of SOCS1 expression as a result of promoter methylation is associated with occurrence and development of solid tumors such as liver, cervical and pancreatic cancer. However, the association between SOCS1 gene methylation and acute myeloid leukemia (AML) has not been well explored. In the present study, we examined whether gene expression and methylation status of SOCS1 was altered in AML, and whether this was related to disease occurrence and development...
June 19, 2018: Oncology Reports
Yu Zhao, Kaifeng Wu, Huabo Tong, Yan Liu, He Zha, Huan Yue, Jingzhi Zhang, Xiaoyun Liu
OBJECTIVES: To determine the patterns and prevalence of human papilloma virus (HPV) genotypes in people who are not vaccinated with HPV vaccines in Zunyi. METHODS: We retrospectively collected all HPV testing results in 3,393 patients at the Third Affiliated Hospital in Zunyi Medical University, Zunyi, China between January 2014 and December 2016. The prevalence of HPV genotypes based on different stages of cervical lesions and age groups was analyzed. The clinical data of 347 HPV-positive inpatients were also retrospectively collected, and difference in the age at first sexual encounter, smoking, pregnancy, and abortion status were compared...
June 2018: Saudi Medical Journal
T M Schisler, A K Bhavsar, B P Whitcomb, J H Freeman, M A Washington, J W Blythe, M A Nahid, C S Dietrich
Objective: The role of human papillomavirus (HPV) in the development of invasive cervical cancers is widely known. Few HPV studies have targeted geographically isolated regions. The objective of this study was to determine the HPV genotypes in cervical cancer patients from the Pacific Islands referred to Tripler Army Medical Center (TAMC). Methods: All cases of invasive cervical cancer treated at TAMC through the Pacific Island Health Care Project between January 2004 and October 2014 were identified through a review of pathology specimens...
May 2018: Gynecologic Oncology Reports
Brenna E Swift, Eric Leung, Danielle Vicus, Allan Covens
This study evaluates a novel technique of laparoscopic ovarian transposition performed by Gynecologic Oncologists prior to pelvic radiation for gynecologic cancer. A retrospective review was completed of all patients that underwent laparoscopic ovarian transposition from February 2007 to June 2017 at one tertiary care cancer. The technique involves salpingectomy, followed by retroperitoneal dissection to move the ovaries lateral to the hepatic and splenic flexures of the colon. Normal ovarian function was defined by the absence of vasomotor symptoms, FSH and menstrual history (if menstruating)...
May 2018: Gynecologic Oncology Reports
Marija Vujadinovic, Selina Khan, Koen Oosterhuis, Taco G Uil, Kerstin Wunderlich, Sarra Damman, Satish Boedhoe, Annemiek Verwilligen, Jonathan Knibbe, Jan Serroyen, Hanneke Schuitemaker, Roland Zahn, Gert Scheper, Jerome Custers, Jort Vellinga
Oncogenic high-risk human papillomavirus (HPV) infections cause a substantial number of genital and non-genital cancers worldwide. Approximately 70% of all cervical cancers are caused by the high-risk HPV16 and 18 types. The remaining 30% can be attributed to twelve other high-risk HPV-types. Highly efficacious 2-valent, 4-valent and 9-valent L1 protein based prophylactic HPV vaccines are available however with limited cross-protection. To further increase the coverage, development of a multivalent cross-protective HPV vaccine is currently focused on the conserved N-terminus of HPV's L2 protein...
June 15, 2018: Vaccine
Domenico Mattoscio, Alessandro Medda, Susanna Chiocca
Human papilloma viruses (HPVs) are a group of double-stranded DNA viruses known to be the primary cause of cervical cancer. In addition, evidence has now established their role in non-melanoma skin cancers, head and neck cancer (HNC), and the development of other anogenital malignancies. The prevalence of HPV-related HNC, in particular oropharyngeal cancers, is rapidly increasing, foreseeing that HPV-positive oropharyngeal cancers will outnumber uterine cervical cancers in the next 15⁻20 years. Therefore, despite the successful advent of vaccines originally licensed for cervical cancer prevention, HPV burden is still very high, and a better understanding of HPV biology is urgently needed...
June 15, 2018: International Journal of Molecular Sciences
Keiko Taniguchi-Ponciano, Daniel Marrero-Rodríguez, Hugo Arreola-De la Cruz, Víctor Huerta-Padilla, Nancy Muñoz, Laura Gómez-Ortiz, Gustavo Ponce-Navarrete, Miriam Rodríguez-Esquivel, Mónica Mendoza-Rodríguez, Laura Gómez-Virgilio, Raúl Peralta, Luis Serna, Guillermo Gómez, Jorge Ortiz, Alejandra Mantilla, Daniel Hernández, Ángeles Hernández, Cindy Bandala, Rosa María Ribas-Aparicio, Mauricio Salcedo
BACKGROUND: Similarities between the pathologic progression of cancer and the physiologic process of placentation have been recognized for many years proposing that both present similar mechanisms and processes. Cervical cancer (CC) is one of the most frequent neoplasia among Mexican women turning it into an important health problem. OBJECTIVE: The aim of this study was to determine the degree of the involvement of pregnancy related genes and in cancer progression by insilico analysis and validated in CC samples...
May 31, 2018: Cancer Biomarkers: Section A of Disease Markers
Katia Ramos Moreira Leite, Thais Silva, Bruna Naum, Flavio Canavez, Juliana Canavez, Ruan Pimenta, Sabrina Reis, Luiz Heraldo Camara-Lopes
OBJECTIVE: To test the performance of a new fixative for pap smear collection for liquid-based cervical cytology, CellPreserv® and compare it with the commercially available, PreservCyt® used in the diagnosis and detection of human papillomavirus (HPV). METHODS: Seven hundred twenty five women participated in this study after signing an informed consent. The specimens were collected using a traditional device, agitated in PBS, and equally divided in both fixatives...
June 18, 2018: Acta Cytologica
Sonia Andersson, Karen Belkić, Miriam Mints, Ellinor Östensson
OBJECTIVE: Self-sampling to test for high risk human papilloma virus (HPV) is becoming an increasingly important component of cervical cancer screening. The aim of this observational study is to examine how women treated for high-grade cervical intraepithelial neoplasia (CIN) view HPV self-sampling. METHODS: Invited to participate in the present study were patients who had undergone treatment of high-grade CIN (grade 2 or higher) and were followed-up at 6-months at the Karolinska University Hospital, Stockholm...
2018: PloS One
Teris Cheung, Joseph T F Lau, Johnson Z Wang, P K H Mo, Y S Ho
OBJECTIVES: The highly infectious human papillomavirus (HPV) causes both genital warts and cervical cancer in women. In 2009, the prevalence of genital warts in Hong Kong was 203.7 per 100,000 person-years. Cervical cancer, more seriously, was the eight most common cancer among women and girls in Hong Kong, accounting for 2.3% of all new cancer cases in females in 2014. Cervical cancer is a significant global public health problem and HPV is a major risk factor leading to the development of cervical cancer...
2018: PloS One
Richard A Anderson, David H Brewster, Rachael Wood, Sian Nowell, Colin Fischbacher, Tom W Kelsey, W Hamish B Wallace
STUDY QUESTION: What is the impact of cancer in females aged ≤39 years on subsequent chance of pregnancy? SUMMARY ANSWER: Cancer survivors achieved fewer pregnancies across all cancer types, and the chance of achieving a first pregnancy was also lower. WHAT IS KNOWN ALREADY: The diagnosis and treatment of cancer in young females may be associated with reduced fertility but the true pregnancy deficit in a population is unknown. STUDY DESIGN, SIZE, DURATION: We performed a retrospective cohort study relating first incident cancer diagnosed between 1981 and 2012 to subsequent pregnancy in all female patients in Scotland aged 39 years or less at cancer diagnosis (n = 23 201)...
June 15, 2018: Human Reproduction
So-Ri Lee, Young-Jin Kim
In photodynamic therapy (PDT), chlorin e6 (Ce6), with its high phototoxic potential and strong absorption of visible light, penetrates deeply into photodamaged tissue. However, despite this fact, the direct application of Ce6 to PDT has been limited by its low water solubility and poor cancer cell localization. To ameliorate this situation, we report herein on the use of a hydrophilic nanoconjugate (DC) comprised of Ce6 and poly(amidoamine) dendrimer, which improves the water solubility and intracellular uptake of Ce6, thereby enhancing PDT efficacy...
June 18, 2018: Nanomaterials
Jiacheng Song, Qiming Hu, Junwen Huang, Zhanlong Ma, Ting Chen
Background Detecting normal-sized metastatic pelvic lymph nodes (LNs) in cervical cancers, although difficult, is of vital importance. Purpose To investigate the value of diffusion-weighted-imaging (DWI), tumor size, and LN shape in predicting metastases in normal-sized pelvic LNs in cervical cancers. Material and Methods Pathology confirmed cervical cancer patients with complete magnetic resonance imaging (MRI) were documented from 2011 to 2016. A total of 121 cervical cancer patients showed small pelvic LNs (<5 mm) and 92 showed normal-sized (5-10 mm) pelvic LNs (39 patients with 55 nodes that were histologically metastatic, 53 patients with 71 nodes that were histologically benign)...
January 1, 2018: Acta Radiologica
Chern Chiuh Woo, Kavita Kaur, Wei Xin Chan, Xing Qi Teo, Teck Hock Philip Lee
Glycine decarboxylase (GLDC) gene is frequently upregulated in various types of cancer including lung, prostate and brain. It catabolizes glycine to yield 5,10-methylenetetrahydrofolate, an important substrate in one-carbon metabolism for nucleotide synthesis. In this study, we used exon splicing modulating steric hindrance antisense oligonucleotide (shAON) to suppress GLDC expression and investigated its effect on pyruvate metabolism via hyperpolarized carbon-13 magnetic resonance spectroscopy (MRS). The MRS technique allows us to study in vivo metabolic flux in tumor tissues with/without GLDC-shAON intervention...
2018: Frontiers in Oncology
Ana Carolina Martínez-Torres, Diana G Zarate-Triviño, Helen Yarimet Lorenzo-Anota, Andrea Ávila-Ávila, Carolina Rodríguez-Abrego, Cristina Rodríguez-Padilla
Background: Nanotechnology has gained important interest, especially in the development of new therapies; the application of gold nanoparticles (AuNPs) in the treatment and detection of diseases is a growing trend in this field. As cancer represents a serious health problem around the world, AuNPs are studied as potential drugs or drug carriers for anticancer agents. Recent studies show that AuNPs stabilized with chitosan (CH) possess interesting biological activities, including potential antitumor effects that could be selective to cancer cells...
2018: International Journal of Nanomedicine
M Abbas, V S Kushwaha, K Srivastava, S T Raza, M Banerjee
BACKGROUND: Certain forms of chemoradiotherapy generate toxic reactive oxygen species, which may be ameliorated by antioxidant enzymes such as glutathione S-transferase (GST). Genetic polymorphisms of GST may predict treatment outcomes and can be used as genetic marker to screen patients before treatment. We hypothesised an effect of GST polymorphisms on the response and toxicities produced by chemoradiation therapy. MATERIALS AND METHODS: GST polymorphisms were determined by multiplex polymerase chain reaction (mPCR) and PCR-restriction fragment length polymorphism (PCR-RFLP) in 227 women with cervical cancer receiving cisplatin based chemoradiotherapy...
June 18, 2018: British Journal of Biomedical Science
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