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Journal of Cancer Therapy

Isabella Pagano, Stefania Gieri, Francesca Nocera, Giuseppe Scibilia, Filippo Fraggetta, Antonio Galia, Mauro Gioè, Basilio Pecorino, Paolo Scollo
Objective: To evaluate the impact of fractionated CO2 laser therapy on vaginal atrophy and mild/moderate stress urinary incontinence (SUI) symptoms in patients with physiological or surgically-induced menopause. Materials and Methods: Post-menopausal patients (n = 33) presenting vaginal atrophy and/or SUI, underwent three vaginal CO2 laser treatment sessions, performed at 1-month intervals. Vaginal symptoms were evaluated using the Vaginal Health Index Score (VHI-S), Visual Analogue Scales (VAS) for dyspareunia and global patient satisfaction...
May 2017: Journal of Cancer Therapy
Xiaonan Liu, Jing Li, Steven E Schild, Michael H Schild, William Wong, Sujay Vora, Michael G Herman, Mirek Fatyga
BACKGROUND: A possible association between the level of prostate specific antigen (PSA) and the use of some commonly prescribed medications has been reported in recent studies. Most of these studies were carried out in general populations of men who were screened for prostate cancer using the PSA test. We reported on the association between the initial PSA level and the use of statins, metformin and alpha-blockers in patients who were diagnosed with prostate cancer and presented for radiation therapy...
February 2017: Journal of Cancer Therapy
Suzan Wadi, Aaron R Tipton, Jill A Trendel, Sadik A Khuder, Deborah J Vestal
Ovarian cancer is the gynecological cancer with the poorest prognosis. One significant reason is the development of resistance to the chemotherapeutic drugs used in its treatment. The large GTPase, hGBP-1, has been implicated in paclitaxel resistance in ovarian cell lines. Forced expression of hGBP-1 in SKOV3 ovarian cancer cells protects them from paclitaxel-induced cell death. However, prior to this study, nothing was known about whether hGBP-1 was expressed in ovarian tumors and whether its expression correlated with paclitaxel resistance...
December 2016: Journal of Cancer Therapy
Chrispin Chisanga, Dawn Eggert, Charles D Mitchell, Charles Wood, Peter C Angeletti
Human papillomaviruses (HPVs) have previously been reported to infect epithelial trophoblast cells of the placenta. To investigate this possibility, 200 placental samples from Zambian women were separated into HIV+ and HIV- groups and tested for HPV by redundant primer PCR, using GP5+/GP6+ and CPI/CPII primer sets. Three HPV genotypes (HPV6, 16 and 90) were detected in placental samples. Whereas, 20 different HPV genotypes were detected in vaginal sampling of the same patients, suggesting that compartment specific sub-populations of HPV may exist...
December 2015: Journal of Cancer Therapy
E V Cafà, B Pecorino, G Scibilia, P Scollo
The aim of this study is to compare morbidity, surgical treatment and post-operative complications in elderly patients underwent surgery for advanced stage ovarian cancer, comparing to younger patients. Data of patients underwent surgery at the Department of Obstetrics and Gyne-cology of Cannizzaro Hospital (Catania) for advanced stage (IIIC-IV) ovarian cancer were collected from January 2000 to December 2013. Patients were stratified by age in two groups (I > 65 years and II < 65 years old). Following variables were collected: stage of the tumor, associated diseases, previous chemotherapy, the type of surgical procedures, blood transfusions, intraoperative and postoperative morbidity, mortality, and hospital stay...
2015: Journal of Cancer Therapy
C P Coyne, Toni Jones, Ryan Bear
The anti-metabolite chemotherapeutic, gemcitabine is relatively effective for a spectrum of neoplastic conditions that include various forms of leukemia and adenocarcinoma/carcinoma. Rapid systemic deamination of gemcitabine accounts for a brief plasma half-life but its sustained administration is often curtailed by sequelae and chemotherapeutic-resistance. A molecular strategy that diminishes these limitations is the molecular design and synthetic production of covalent gemcitabine immunochemotherapeutics that possess properties of selective "targeted" delivery...
January 2015: Journal of Cancer Therapy
Anne H O'Donnell, John R Edwards, Robert A Rollins, Nathan D Vander Kraats, Tao Su, Hanina H Hibshoosh, Timothy H Bestor
Promoter silencing by ectopic de novo methylation of tumor suppressor genes has been proposed as comparable or equivalent to inactivating mutations as a factor in carcinogenesis. However, this hypotheses had not previously been tested by high resolution, high-coverage whole-genome methylation profiling in primary carcinomas. We have determined the genomic methylation status of a series of primary mammary carcinomas and matched control tissues by examination of more than 2.7 billion CpG dinucleotides. Most of the tumors showed variable losses of DNA methylation from all sequence compartments, but increases in promoter methylation were infrequent, very small in extent, and were observed largely at CpG-poor promoters...
December 1, 2014: Journal of Cancer Therapy
Mohammad Motarab Hossain, Swapan Kumar Ray
Ewing's sarcoma is a pediatric tumor that mainly occurs in soft tissues and bones. Malignant characteristics of Ewing's sarcoma are correlated with expression of EWS oncogene. We achieved knockdown of EWS expression using a plasmid vector encoding EWS short hairpin RNA (shRNA) to increase anti-tumor mechanisms of taxifolin (TFL), a new flavonoid, in human Ewing's sarcoma cells in culture and animal models. Immunofluorescence microscopy and flow cytometric analysis showed high expression of EWS in human Ewing's sarcoma SK-N-MC and RD-ES cell lines...
October 2014: Journal of Cancer Therapy
Hanief Mohammad Shahjee, Nisan Bhattacharyya
Insulin-like growth factor binding protein-3 (IGFBP-3), a secretory protein, is the most abundant IGF binding protein present in human serum among all IGF binding proteins. IGFBP-3 shows decreased level of expression in cancerous cells but has been known to be present in significant amounts in normal or non-cancerous cells. IGFBP-3 can induce apoptosis in prostate cancer cells either in an IGF-dependent manner or independently of IGF binding. Although putative cell death specific Insulin-like growth factor binding protein-3 (IGFBP-3R) receptor(s) has recently been identified by which IGFBP-3 may induce its anti-tumor effects, IGFBP-3 has also been known to activate various downstream intracellular signaling molecules via a different mechanistic pathway...
August 1, 2014: Journal of Cancer Therapy
Pavla Brachova, Samuel R Mueting, Eric J Devor, Kimberly K Leslie
Mutations in the tumor suppressor TP53 occur in almost all advanced ovarian cancers and in many advanced serous endometrial cancers. Mutations in TP53 can alter the function of the p53 protein, and some mutations result in a mutated protein with oncogenic activity. Previously referred to as gain of function (GOF) p53 proteins, we now term these "oncomorphic" mutations to better describe their function as oncogenes. We reviewed the data from The Cancer Genome Atlas (TCGA) and demonstrate that of the patients diagnosed with endometrial cancer that harbor TP53 mutations, approximately 30% of these mutations are oncomorphic...
June 1, 2014: Journal of Cancer Therapy
Thambi Dorai, Janane Diouri, Orla O'Shea, Stephen B Doty
A number of studies have focused on the beneficial properties of Curcumin (diferuloyl methane, used in South Asian cuisine and traditional medicine) such as the chemoprevention of cancer. Recent studies have also indicated that this material has significant benefits for the treatment of cancer and is currently undergoing several clinical trials. We have been interested in the application of this compound as a therapeutic agent for advanced prostate cancer, particularly the skeletal complications in this malignancy...
April 1, 2014: Journal of Cancer Therapy
Nicholas Greco, Trevor Schott, Xiaodong Mu, Adam Rothenberg, Clifford Voigt, Richard L McGough, Mark Goodman, Johnny Huard, Kurt R Weiss
Osteosarcoma (OS), chondrosarcoma (CSA), and Ewings sarcoma (ES) are the most common primary malignancies of bone, and are rare diseases. As with all sarcomas, the prognosis of these diseases ultimately depends on the presence of metastatic disease. Survival is therefore closely linked with the biology and metastatic potential of a particular bone tumor's cells. Here we describe a significant correlation of aldehyde dehydrogenase (ALDH) activity and the presence/absence of distant metastases in ten consecutive cases of human bone sarcomas...
March 31, 2014: Journal of Cancer Therapy
Maryam Zaghian, Gino Lim, Wei Liu, Radhe Mohan
Prescriptions for radiation therapy are given in terms of dose-volume constraints (DVCs). Solving the fluence map optimization (FMO) problem while satisfying DVCs often requires a tedious trial-and-error for selecting appropriate dose control parameters on various organs. In this paper, we propose an iterative approach to satisfy DVCs using a multi-objective linear programming (LP) model for solving beamlet intensities. This algorithm, starting from arbitrary initial parameter values, gradually updates the values through an iterative solution process toward optimal solution...
February 2014: Journal of Cancer Therapy
Fatih M Uckun, Sanjive Qazi
The identification of SYK as a master regulator of apoptosis controlling the activation of the PI3-K/AKT, NFκB, and STAT3 pathways-three major anti-apoptotic signaling pathways in B-lineage leukemia/lymphoma cells-prompts the hypothesis that rationally designed inhibitors targeting SYK may overcome the resistance of malignant B-lineage lymphoid cells to apoptosis and thereby provide the foundation for more effective multi-modality treatment regimens for poor prognosis B-precursor acute lymphoblastic leukemia (BPL)...
January 2014: Journal of Cancer Therapy
Mouad Edderkaoui, Edwin Thrower
Smoking is a major risk factor for chronic pancreatitis and pancreatic cancer. However, the mechanisms through which it causes the diseases remain unknown. In the present manuscript we reviewed the latest knowledge gained on the effect of cigarette smoke and smoking compounds on cell signaling pathways mediating both diseases. We also reviewed the effect of smoking on the pancreatic cell microenvironment including inflammatory cells and stellate cells.
November 1, 2013: Journal of Cancer Therapy
Vinayak Khattar, Jaideep V Thottassery
Deregulation of the cell cycle results in loss of normal control mechanisms that prevent aberrant cell proliferation and cancer progression. Regulation of the cell cycle is a highly complex process with many layers of control. One of these mechanisms involves timely degradation of CDK inhibitors (CKIs) like p27(Kip1) by the ubiquitin proteasomal system (UPS). Cks1 is a 9 kDa protein which is frequently overexpressed in different tumor subtypes, and has pleiotropic roles in cell cycle progression, many of which remain to be fully characterized...
October 1, 2013: Journal of Cancer Therapy
Hanief M Shahjee, Benjamin Kefas, Nisan Bhattacharyya, Mohamed K Radwan
Our previous results indicated that both the secreted and the intracellular form of full length and 1-97 N-terminal fragment of IGFBP-3 induces apoptosis in PC-3 human prostate cancer cells in an IGF-dependent and independent manner. This study was undertaken to delineate possible down-stream signaling pathways that are involved in this process. Intact IGFBP-3 and its N-terminal 1-97 fragments with or without a signal pro-peptide was fused to YFP and expressed in PC-3 human prostate cancer cells. In some cases, the putative IGF-binding site present in full length IGFBP-3 and its N-terminal fragment was also mutated...
October 2013: Journal of Cancer Therapy
Joann B Powell, Gennifer D Goode, Sakina E Eltom
The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that regulates a battery of genes in response to exposure to a broad class of environmental poly aromatic hydrocarbons (PAH). AhR is historically characterized for its role in mediating the toxicity and adaptive responses to these chemicals, however mounting evidence has established a role for it in ligand-independent physiological processes and pathological conditions, including cancer. The AhR is overexpressed and constitutively activated in advanced breast cancer cases and was shown to drive the progression of breast cancer...
September 2013: Journal of Cancer Therapy
Edward V Quadros, Yasumi Nakayama, Jeffrey M Sequeira
Cobalamin uptake into cells is mediated by the CD320 receptor for transcobalamin-bound cobalamin. Optimum receptor expression is associated with proliferating cells and therefore, in many cancers this receptor expression is up regulated. Delivering drugs or toxins via this receptor provides increased targeting to cancer cells while minimizing toxicity to the normal tissues. Saporin conjugated monoclonal antibodies to the extracellular domain of TCblR were effectively internalized to deliver a toxic dose of Saporin to some cancer cell lines propagating in culture...
July 22, 2013: Journal of Cancer Therapy
Janeth I Sanchez, Rebecca Palacios, Beti Thompson, Vanessa Martinez, Mary A O'Connell
PURPOSE: Colorectal cancer (CRC) mortality rates in New Mexico (NM) continue to be higher than national rates. Hispanic CRC mortality rates in NM surpass those of overall Hispanics in the US. This study was designed to characterize and understand factors contributing to low CRC screening rates in this border region. METHODS: A CRC Knowledge Assessment Survey (KAS) was administered in either English or Spanish to 247 individuals attending community events throughout southern NM...
July 2013: Journal of Cancer Therapy
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