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cancer progression

Amar Patel, Lawrence Fong
Immunotherapies have emerged as a revolutionary modality for cancer treatment, and a variety of immune-based approaches are currently being investigated in the field of prostate cancer. Despite the 2010 approval of sipuleucel-T, subsequent progress in prostate cancer immunotherapy development has been limited by disappointing results with novel vaccination approaches and by prostate cancer's general resistance to immune checkpoint blockade. Nevertheless, there remains strong preclinical and clinical evidence to suggest that prostate cancer is a susceptible target for immune therapies...
March 15, 2018: Oncology (Williston Park, NY)
Zhi-Peng Qi, Tao Chen, Bing Li, Zhong Ren, Li-Qing Yao, Qiang Shi, Shi-Lun Cai, Yun-Shi Zhong, Ping-Hong Zhou
BACKGROUND: According to the Japanese Esophageal Society (JES) guidelines, early esophageal squamous cell carcinoma (SCC) involving the muscularis mucosae (M3) or upper submucosal (SM1) layers are relative indications for endoscopic submucosal dissection (ESD). Additional esophagectomy or chemoradiotherapy is recommended for patients with relative indications after evaluation. However, elderly patients (≥ 60 years) with relative indications in China often refuse additional treatment because of the debilitating side effects...
March 16, 2018: Endoscopy
Jiang He, Yuzu Zhao, Erhu Zhao, Xianxing Wang, Zhen Dong, Yibiao Chen, Liqun Yang, Hongjuan Cui
Background: The cancer-testis specific gene Opa interacting protein 5 (OIP5) is a testis-specific gene that is reactivated in many human cancers, but its functions in glioblastoma remain unclear. Here, we assessed the significance of OIP5 in the tumorigenesis and metastasis of glioblastoma for the first time. Methods: An immunohistochemistry assay was performed to detect OIP5 expression changes in glioblastoma patients. Overall survival analysis was performed to evaluate the prognostic significance of OIP5...
March 14, 2018: Neuro-oncology
Yue Guo, Renyi Wu, John M Gaspar, Davit Sargsyan, Zheng-Yuan Su, Chengyue Zhang, Linbo Gao, David Cheng, Wenji Li, Chao Wang, Ran Yin, Mingzhu Fang, Michael P Verzi, Ronald P Hart, Ah-Ng Kong
Inflammation is highly associated with colon carcinogenesis. Epigenetic mechanisms could play an important role in the initiation and progression of colon cancer. Curcumin, a dietary phytochemical, shows promising effects in suppressing colitis-associated colon cancer in AOM-DSS mice. However, the potential epigenetic mechanisms of curcumin in colon cancer remain unknown. In this study, the anti-cancer effect of curcumin in suppressing colon cancer in an 18-week AOM-DSS colon cancer mouse model was confirmed...
March 14, 2018: Carcinogenesis
Mohammad Hadi Karbalaie Niya, Hossein Keyvani, Fahimeh Safarnezhad Tameshkel, Mostafa Salehi-Vaziri, Sedigheh Teaghinezhad-S, Farah Bokharaei Salim, Seyed Hamid Reza Monavari, Davod Javanmard
Human papillomavirus (HPV) is a common viral infection worldwide associated with a variety of cancers. The integration of the HPV genome in these patients causes chromosomal instability and triggers carcinogenesis. The aim of this study was to investigate the HPV-16 genome physical status in four major cancers related to HPV infection. Formalin-fixed paraffin-embedded blocks from our previous projects on head and neck, colorectal, penile, and cervical cancers were collected, and HPV-16-positive specimens were used for further analysis...
March 13, 2018: Translational Oncology
Ryo Yuge, Yasuhiko Kitadai, Hidehiko Takigawa, Toshikatsu Naito, Naohide Oue, Wataru Yasui, Shinji Tanaka, Kazuaki Chayama
Accumulating evidence suggests that a unique set of receptor tyrosine kinases, known as discoidin domain receptors (DDRs), plays a role in cancer progression by interacting with the surrounding collagen matrix. In this study, we investigated the expression and role of DDR1 in human gastric cancer metastasis. Proliferation, migration, invasion, and tube formation assays were conducted in DDR1-expressing MKN74 gastric cancer cells and corresponding DDR1-silenced cells. The effects of DDR1 on tumor growth and metastasis were examined in orthotopically implanted and experimental liver metastasis models in nude mice...
March 13, 2018: Translational Oncology
Ki-Woong Nam, Tae Jung Kim, Chi Kyung Kim, Heejung Mo, Han-Yeong Jeong, Min Kyoung Kang, Moon-Ku Han, Sang-Bae Ko, Byung-Woo Yoon
BACKGROUND: Ischemic stroke patients with active cancer frequently experience early neurological deterioration (END); however, the predictors of END are not well studied. The neutrophil to lymphocyte ratio (NLR) has recently been described as a predictor of poor outcomes in cancer and stroke. However, its role in cancer-related stroke has not been addressed. AIM: We aimed to evaluate the association between the NLR and END in cancer-related stroke patients. METHODS: We included 85 cryptogenic stroke patients with active cancer...
2018: PloS One
Lynn Jakobs
BACKGROUND: Medullary thyroid cancer (MTC) is a rare cancer that has historically been managed by endocrinologists. In 2011, the first of several multi- targeted tyrosine kinase inhibitors was approved as treatment for MTC. These drugs have changed the management of MTC to teams that include oncologists and oncology nurses. OBJECTIVES: This article illustrates MTC diagnostics, surveillance, management of adverse drug reactions, and disease progression through a case study...
April 1, 2018: Clinical Journal of Oncology Nursing
Nelson S Yee
Progress has been made in the treatment of gastrointestinal cancers through advances in systemic therapies, surgical interventions, and radiation therapy. At the Multi-Disciplinary Patient Care in Gastrointestinal Oncology conference, the faculty members of the Penn State Health Milton S. Hershey Medical Center presented a variety of topics that focused on this sub-specialty. This conference paper highlights the new development in systemic treatment of various malignant diseases in the digestive system. Results of the recent clinical trials that investigated the clinical efficacy of pegylated hyaluronidase, napabucasin, and L-asparaginase in pancreatic carcinoma are presented...
March 16, 2018: Biomedicines
Sofia Doello, Zhibin Liang, Il Kyu Cho, Jung Bong Kim, Qing X Li
Lung cancer is the second most prevalent cancer. Non-small cell lung cancer (NSCLC) is the most common type of lung cancer. The low efficacy in current chemotherapies impels to find new alternatives to prevent or treat NSCLC. Rice bran oil is cytotoxic to A549 cells, a NSCLC cell line. Here, we identified 24-methylenecyloartanyl ferulate (24-mCAF) as the main component responsible for the cytotoxicity in A549 cells. An iTRAQ-based quantitative proteomics analysis revealed that 24-mCAF inhibits cell proliferation and activates cell death and apoptosis...
March 16, 2018: Journal of Agricultural and Food Chemistry
Erwan Goy, Corinne Abbadie
When ageing, cells profoundly reprogram to enter a state called senescence. Although the link between senescence and cancer is well established, the nature of this link remains unclear and debated. We will describe in this article the properties of senescent cells and make clear on how they could promote or oppose to cancer initiation and progression. We will also consider senescence as a response to classical anti-cancer therapies and discuss how to take advantage of senescence to improve the efficacy of these therapies while decreasing their toxicity...
March 2018: Médecine Sciences: M/S
Andrés Retamal C, Giancarlo Schiappacasse F, Lizbet Pérez M, Pablo Alvayay Q, Isabel Schild W
Pediatric cancer is the second cause of death in children older than 5 years in our country, after trauma. Positron emission tomography/computed tomography (PET/CT) is a hybrid technique that involves radiation, which has been used for some time in adults and is being progressively imple mented in children. This technique allows morphological and functional assessments of the body with applications in neoplastic and non-neoplastic pathology. Its main role in oncology is in the evaluation and control of lymphomas, sarcomas and neuroblastomas, among others...
December 2017: Revista Chilena de Pediatría
Kusum Vats, Rohit Sharma, Haladhar Dev Sarma, Drishty Satpati, Ashutosh Dash
AIMS: The urokinase plasminogen activator receptors (uPAR) over-expressed on tumor cells and their invasive microenvironment are clinically significant molecular targets for cancer research. uPAR-expressing cancerous lesions can be suitably identified and their progression can be monitored with radiolabeled uPAR targeted imaging probes. Hence this study aimed at preparing and evaluating two 68Ga-labeled AE105 peptide conjugates, 68Ga-NODAGA-AE105 and 68Ga-HBED-CC-AE105 as uPAR PET-probes...
March 16, 2018: Anti-cancer Agents in Medicinal Chemistry
Midori Tanaka, Hidenobu Ishii, Hayato Moribuchi, Yoshiko Naito, Norikazu Matsuo, Masayuki Nakamura, Takaaki Tokito, Koichi Azuma, Kazuhiko Yamada, Tomoaki Hoshino
Small-cell lung cancer (SCLC) combined with epidermal growth factor receptor (EGFR) mutations is extremely rare, and standard chemotherapeutic strategies have not yet been established. In the present study, we report a case of a 67-year-old man who presented with combined SCLC with EGFR mutation (exon 19 deletion). Systemic chemotherapy with cisplatin and irinotecan was initiated as first-line chemotherapy, and computed tomography findings revealed tumor shrinkage after two cycles of chemotherapy. However, after the third cycle of the treatment, disease progression was observed including the appearance of pleural and pericardial effusion...
March 15, 2018: Investigational New Drugs
Jérôme Gas, François-Xavier Nouhaud, Mathieu Roumiguié, Séverine Lagarde, Marie-Charlotte Delchier, Éric Huyghe, Michel Soulié, Xavier Gamé, Jean-Baptiste Beauval
PURPOSE: To evaluate the effectiveness of balloon nephrostomy (BN) for treating urinary tract fistulas. MATERIALS AND METHODS: In a single-center retrospective analysis, 56 patients were treated using BN between 2003 and 2014. All causes of urinary tract fistula were included. We assessed the effectiveness of drainage, complications, and the types of reconstruction surgery used. Success was defined as fistula closure without surgery. RESULTS: The cohort consisted of 25 males (54%) and 31 females (55%) with a median age of 63 years who underwent BN for a urinary fistula secondary to surgery, i...
March 15, 2018: International Urogynecology Journal
Larissa Dettmar, Nancy Ahmed, Matthias Kotzsch, Sandra Diersch, Rudolf Napieralski, Dalila Darmoul, Manfred Schmitt, Wilko Weichert, Marion Kiechle, Julia Dorn, Viktor Magdolen
PURPOSE: Gene expression of a variety of the 15 members of the KLK serine protease family is dysregulated in ovarian cancer. We aimed at determining the clinical relevance of KLK13 and KLK14 mRNA expression in tumor tissues of a homogeneous patient cohort afflicted with advanced high-grade serous ovarian cancer (FIGO stage III/IV). METHODS: mRNA expression levels of KLK13 and KLK14 were assessed by quantitative PCR in tumor tissue of 91 patients and related with clinical factors and patients' outcome...
March 15, 2018: Journal of Cancer Research and Clinical Oncology
Honglei Zhang, Xing Yang, Xu Feng, Haibo Xu, Qin Yang, Li Zou, Mei Yan, Dequan Liu, Xiaosan Su, Baowei Jiao
The high-risk of tumor initiation in patients with Turner syndrome (TS) characterized by X chromosome monosomy in women has been well established and aneuploidy, defined as an abnormal number of chromosomes, is a common feature in human cancer. However, the underlying mechanisms of X chromosome aneuploidy promoting tumorigenesis remain obscure. We propose that chromosome-wide gene dosage imbalance (CDI) may serve as an important mechanism. Here, we assess the relative expression ratios of X chromosome and autosomes (expression ratios of X:AA) between tumor samples and adjacent normal samples across 16 tumor types using expression datasets from The Cancer Genome Atlas (TCGA) project...
March 15, 2018: Molecular Genetics and Genomics: MGG
Weiwei Chen, Jiajia An, Jiwei Guo, Yan Wu, Lijuan Yang, Juanjuan Dai, Kaikai Gong, Shuang Miao, Sichuan Xi, Jing Du
PURPOSE: Sodium selenite (SS) has been widely reported to induce apoptosis in various cancer cell types. However, the underlying molecular mechanisms governing SS-mediated repression of lung cancer stem cells remain largely undefined. METHODS: In vitro assays of cell proliferation, clonal formation, apoptosis, migration and cancer stemness cell sphere formation were performed to examine the inhibitory effects of SS on lung adenocarcinoma (LAD) cells with or without the overexpression of SRY-related high-mobility-group box 2 (SOX2)...
March 15, 2018: Cancer Chemotherapy and Pharmacology
Xiqi Li, Cesar A Arias, Samuel L Aitken, Jessica Galloway Peña, Diana Panesso, Michael Chang, Lorena Diaz, Rafael Rios, Yazan Numan, Sammi Ghaoui, Sruti DebRoy, Micah M Bhatti, Dawn E Simmons, Isaam Raad, Ray Hachem, Stephanie A Folan, Pranoti Sahasarabhojane, Awdhesh Kalia, Samuel A Shelburne
Background: Pathobionts, bacteria that are typically human commensals but can cause disease, contribute significantly to antimicrobial resistance. Staphylococcus epidermidis is a prototypical pathobiont as it is a ubiquitous human commensal but also a leading cause of healthcare-associated bacteremia. We sought to determine the etiology of a recent increase in invasive S. epidermidis isolates resistant to linezolid. Methods: Whole-genome sequencing (WGS) was performed on 176 S...
March 12, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Oliver M Pearce
Aberrant glycan epitopes are a classic hallmark of malignant transformation, yet their full clinical potential in cancer diagnostics and therapeutics is yet to be realized. This is partly because our understanding of how these epitopes are regulated remains poorly understood. In this review cancer glycan epitopes for the major glycan classes are summarized with a focus on their biosynthesis, structure, and role in cancer progression. Their application as cancer biomarkers, in particular the more recent work on cancer glycoforms, and the advantages these offer over the glycan or protein alone are discussed...
March 13, 2018: Glycobiology
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