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Neuroendocrine cancer

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https://www.readbyqxmd.com/read/28734980/histone-demethylase-phf8-regulates-hypoxia-signaling-through-hif1%C3%AE-and-h3k4me3
#1
Peterson Kariuki Maina, Peng Shao, Xiongfei Jia, Qi Liu, Shaikamjad Umesalma, Maximo Marin, Donald Long, Samantha Concepción-Román, Hank Heng Qi
Hypoxia through transcription factor HIF1α plays a critical role in cancer development. In prostate cancer, HIF1α interplays with androgen receptor (AR) to contribute to the progression of this disease to its lethal form-castration-resistant prostate cancer (CRPC). Hypoxia upregulates several epigenetic factors including histone demethylase KDM3A which is a critical co-factor of HIF1α. However, how histone demethylases regulate hypoxia signaling is not fully understood. Here, we report that histone demethylase PHF8 plays an essential role in hypoxia signaling...
July 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28734542/improved-survival-after-retrieval-of-12-or-more-regional-lymph-nodes-in-appendiceal-cancer
#2
I Fleischmann, R Warschkow, U Beutner, L Marti, B M Schmied, T Steffen
BACKGROUND: To evaluate the role of regional lymph node (RLN) retrieval on stage migration, overall (OS), and cancer-specific survival (CSS) in appendiceal cancer. METHODS: Between 2004 and 2012, 1046 patients with primary stage I-III carcinoma of the appendix were identified in the Surveillance, Epidemiology and End Results database. The impact of the number of RLN removed on OS and CSS was assessed using joinpoint regression, Cox regression, and propensity score methods...
July 15, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28734185/primary-small-cell-neuroendocrine-carcinoma-of-the-breast-a-case-report-and-review-of-the-literature
#3
Abigail Tremelling, Selyne Samuel, Mary Murray
INTRODUCTION: Primary small cell neuroendocrine carcinoma of the breast (SCNCB) is a very uncommon type of breast cancer. Histology and morphology are virtually indistinguishable from small cell neuroendocrine carcinomas of the lung (SCNCL), mandating a search for a primary site elsewhere in the body. There is no standard approach to treatment as there are only a limited number of cases reported in the literature. This report summarizes a case of primary SCNCB and presents a review of the literature...
July 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28731197/metastatic-gallbladder-carcinoma-in-meningioma-a-case-report
#4
Burak Eren, Feyza Karagoz Guzey, Ilker Gulec, Azmi Tufan
Metastases from tumors to systemic cancers are rare. The most common intracranial recipient tumor is meningioma. Metastasis from gallbladder cancer has been previously reported from only one patient during autopsy. We present the case of a 72-year-old woman who underwent surgery for right frontal skull base meningioma.The tumor was completely removed. Histological specimens showed gallbladder carcinomatous metastasis with diffuse neuroendocrine differentiation in meningothelial meningioma. The Ki-67 proliferation index of the meningioma was 3%...
June 2, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28730258/morphology-with-immunohistochemical-and-genetic-profiling-of-high-grade-neuroendocrine-carcinoma-of-colon-a-case-report-with-review-of-literature
#5
Andrzej Wincewicz, Artur Kowalik, Sebastian Zięba, Stanisław Sułkowski, Stanisław Góźdź
Here we present a challenging case of a hepatic flexure colon tumor of 61-year-old woman with no primary lesion of lung cancer. Immunohistochemistry was applied and 50 genes were analyzed by next-generation sequencing (NGS) technology. The tumor contained medium to large size neoplastic cells with evident nucleoli to be diagnosed poorly differentiated neuroendocrine predominantly large cell carcinoma of colon [G3: World Health Organization (WHO) 2010] (pT3 N0: 7th edition pTNM). Cytokeratin (CK) AE1÷AE3 staining was predominantly membranous with partial distribution in "dot-like" pattern in perinecrotic cancer fields to be reminiscent of small cell carcinoma...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28724431/biological-embedding-of-childhood-adversity-from-physiological-mechanisms-to-clinical-implications
#6
REVIEW
Anne E Berens, Sarah K G Jensen, Charles A Nelson
BACKGROUND: Adverse psychosocial exposures in early life, namely experiences such as child maltreatment, caregiver stress or depression, and domestic or community violence, have been associated in epidemiological studies with increased lifetime risk of adverse outcomes, including diabetes, heart disease, cancers, and psychiatric illnesses. Additional work has shed light on the potential molecular mechanisms by which early adversity becomes "biologically embedded" in altered physiology across body systems...
July 20, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28723416/unravelling-the-pharmacologic-opportunities-and-future-directions-for-targeted-therapies-in-gastro-intestinal-cancers-part-2-neuroendocrine-tumours-hepatocellular-carcinoma-and-gastro-intestinal-stromal-tumours
#7
REVIEW
Cindy Neuzillet, Louis de Mestier, Benoît Rousseau, Olivier Mir, Mohamed Hebbar, Hemant M Kocher, Philippe Ruszniewski, Christophe Tournigand
Until the 1990s, cytotoxic chemotherapy has been the cornerstone of medical therapy for gastrointestinal (GI) cancers. Better understanding of the cancer cell molecular biology has led to the therapeutic revolution of targeted therapies, i.e. monoclonal antibodies or small molecule inhibitors directed against proteins that are specifically overexpressed or mutated in cancer cells. These agents, being more specific to cancer cells, were expected to be less toxic than conventional cytotoxic agents. However, their effects have sometimes been disappointing, due to intrinsic or acquired resistance mechanisms, or to an activity restricted to some tumour settings, illustrating the importance of patient selection and early identification of predictive biomarkers of response to these therapies...
July 16, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28722707/nutrition-inflammation-and-cancer
#8
REVIEW
Laurence Zitvogel, Federico Pietrocola, Guido Kroemer
Quantitative and qualitative aspects of nutrition have a profound effect on leukocytes and thereby affect proinflammatory carcinogenic effects or anticancer immune responses. As a result, nutrition affects the incidence, natural progression and therapeutic response of malignant diseases, both in humans and in preclinical animal models. Here we discuss the molecular mechanisms through which alimentary cues modulate metabolic, microbial and neuroendocrine circuitries and thus affect the probability of developing premalignant lesions that progress to clinically manifested disease and the response to therapeutic intervention...
July 19, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28717741/patient-reported-burden-of-a-neuroendocrine-tumor-net-diagnosis-results-from-the-first-global-survey-of-patients-with-nets
#9
Simron Singh, Dan Granberg, Edward Wolin, Richard Warner, Maia Sissons, Teodora Kolarova, Grace Goldstein, Marianne Pavel, Kjell Öberg, John Leyden
PURPOSE: Despite the considerable impact of neuroendocrine tumors (NETs) on patients' daily lives, the journey of the patient with a NET has rarely been documented, with published data to date being limited to small qualitative studies. NETs are heterogeneous malignancies with nonspecific symptomology, leading to extensive health care use and diagnostic delays that affect survival. A large, international patient survey was conducted to increase understanding of the experience of the patient with a NET and identify unmet needs, with the aim of improving disease awareness and care worldwide...
February 2017: Journal of Global Oncology
https://www.readbyqxmd.com/read/28717395/brain-imaging-before-primary-lung-cancer-resection-a-controversial-topic
#10
Zoe Hudson, Eveline Internullo, Anthony Edey, Isabel Laurence, Davide Bianchi, Alfredo Addeo
OBJECTIVE: International and national recommendations for brain imaging in patients planned to undergo potentially curative resection of non-small-cell lung cancer (NSCLC) are variably implemented throughout the United Kingdom [Hudson BJ, Crawford MB, and Curtin J et al (2015) Brain imaging in lung cancer patients without symptoms of brain metastases: a national survey of current practice in EnglandClin Radiol https://doi.org/10.1016/j.crad.2015.02.007]. However, the recommendations are not based on high-quality evidence and do not take into account cost implications and local resources...
2017: Ecancermedicalscience
https://www.readbyqxmd.com/read/28715719/isolated-caudate-lobectomy-left-sided-approach-case-reports
#11
Orlando Jorge M Torres, Rodrigo Rodrigues Vasques, Ozimo Pereira Gama-Filho, Miguel Eugenio L Castelo-Branco, Camila Cristina S Torres
INTRODUCTION: The caudate lobe is a distinct liver lobe and surgical resection requires expertise and precise anatomic knowledge. Left-sided approach was described for resection of small tumors originated in the Spiegel lobe but now the procedure has been performed even for tumors more than five centimeters. The aim of this study is to present three cases of tumor of caudate lobe underwent isolated lobectomy by left-sided approach. PRESENTATION OF CASE: Three patients with metastasis of colorectal cancer, carcinoma hepatocellular and metastasis of neuroendocrine tumor underwent resection...
July 4, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28713981/neuroendocrine-factors-the-missing-link-in-non%C3%A2-melanoma-skin-cancer-review
#12
Mihai Lupu, Ana Caruntu, Constantin Caruntu, Laura Maria Lucia Papagheorghe, Mihaela Adriana Ilie, Vlad Voiculescu, Daniel Boda, Constantin Carolina, Cristiana Tanase, Maria Sifaki, Nikolaos Drakoulis, Charalampos Mamoulakis, George Tzanakakis, Monica Neagu, Demetrios A Spandidos, Boris N Izotov, Aristides M Tsatsakis
Non‑melanoma skin cancer (NMSC) is the most common form of cancer worldwide, comprising 95% of all cutaneous malignancies and approximately 40% of all cancers. In spite of intensive efforts aimed towards awareness campaigns and sun‑protective measures, epidemiological data indicate an increase in the incidence of NMSC. This category of skin cancers has many common environmental triggers. Arising primarily on sun‑exposed skin, it has been shown that ultraviolet radiation is, in the majority of cases, the main trigger involved in the pathogenesis of NMSC...
July 13, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28711723/diurnal-cortisol-rhythms-fatigue-and-psychosocial-factors-in-five-year-survivors-of-ovarian-cancer
#13
Michaela G Cuneo, Andrew Schrepf, George M Slavich, Premal H Thaker, Michael Goodheart, David Bender, Steve W Cole, Anil K Sood, Susan K Lutgendorf
Fatigue is a challenge in ovarian cancer survivorship and greatly impacts quality of life. In other cancer populations, fatigue has been associated with abnormal diurnal cortisol patterns. However, little is known about biological and behavioral factors in 5+-year ovarian cancer survivors and potential mechanisms underlying persistent fatigue have not been investigated in this population. Moreover, relationships between neuroendocrine and psychosocial factors in 5+-year ovarian cancer survivors have not been studied...
June 30, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28705205/clinicopathological-features-and-prognosis-of-gastroenteropancreatic-neuroendocrine-neoplasms-in-a-chinese-population-a-large-retrospective-single-centre-study
#14
Meng Zhang, Ping Zhao, Xiaodan Shi, Ahong Zhao, Lianfeng Zhang, Lin Zhou
BACKGROUND: Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) are the most common type of neuroendocrine tumors, accounting for more than half of neuroendocrine neoplasms (NENs). We performed a retrospective study in our center to investigate the clinicopathological features, risk factors of metastasis, and prognosis of GEP-NENs in a Chinese population. METHODS: Four hundred forty patients with GEP-NENs treated at the First Affiliated Hospital of Zhengzhou University between January 2011 and March 2016 were analyzed retrospectively...
July 13, 2017: BMC Endocrine Disorders
https://www.readbyqxmd.com/read/28697137/clinical-profile-of-pancreatic-cystic-lesions-in-von-hippel-lindau-disease-a-series-of-48-patients-seen-at-a-tertiary-institution
#15
Ayush Sharma, Saurabh Mukewar, Santhi Swaroop Vege
OBJECTIVES: Little is known about the association between pancreatic cystic lesions (PCLs) with von Hippel-Lindau disease (VHLD). In this study, we describe the clinical presentation, type of PCLs, and risk for malignancy in PCLs in VHLD. METHODS: Patients given a diagnosis of both VHLD and PCLs were identified from electronic medical records at Mayo Clinic, Rochester, MN, from January 1, 2000, to January 1, 2016. Various demographic, clinical, and radiologic variables were recorded...
August 2017: Pancreas
https://www.readbyqxmd.com/read/28697130/regional-metastatic-behavior-of-nonfunctional-pancreatic-neuroendocrine-tumors-impact-of-lymph-node-positivity-on-survival
#16
Zeljka Jutric, Jan Grendar, Helena M Hoen, Sung W Cho, Maria A Cassera, Pippa H Newell, Chet W Hammill, Paul D Hansen, Ronald F Wolf
OBJECTIVES: Literature addressing the significance of lymph node positivity in the management of nonfunctional pancreatic neuroendocrine tumors (PNETs) is conflicting. METHODS: The National Cancer Data Base was queried for patients who underwent surgical resection of nonfunctional PNETs between 1998 and 2011. Clinical data and overall survival were analyzed using χ and Cox proportional hazards regression. Multiple imputation was used as a comparative analysis because of the high number of patients missing data on tumor grade...
August 2017: Pancreas
https://www.readbyqxmd.com/read/28695392/patterns-and-drivers-of-costs-for-neuroendocrine-tumor-care-a-comparative-population-based-analysis
#17
Julie Hallet, C H L Law, M Cheung, N Mittmann, N Liu, H D Fischer, S Singh
BACKGROUND: Little is known about resource use in the care of neuroendocrine tumors (NETs). This study defined patterns of costs in NET management and compared them with those of a more common malignancy, colon cancer (CC). METHODS: Using a provincial cancer registry (2004-2012), NET patients were identified and matched at a ratio of 1-3 with CC patients. Four phases of care were examined: pre-diagnostic (PreDx: -2 years to -181 days), diagnostic (Dx: -180 days to +180 days), postdiagnostic (PostDx: +181 days to +3 years), and prolonged post-diagnostic (PPostDx: +181 days to +9 years)...
July 10, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28694132/inflammatory-bowel-disease-and-small-bowel-cancer-risk-clinical-characteristics-and-histopathology-a-population-based-study
#18
Rasmus Dahlin Bojesen, Lene Buhl Riis, Estrid Høgdall, Ole Haagen Nielsen, Tine Jess
BACKGROUND & AIMS: Inflammatory bowel disease (IBD) may increase risk of small bowel cancer (SBC). However, little is known of the characteristics and features of IBD-SBC, due to a low number of cases worldwide. We performed a population-based study of IBD and SBC to calculate risk and increase our understanding of clinical characteristics and histopathological and molecular features. METHODS: The study population consisted of all individuals 16 years or older living in Denmark during 1978-2010...
July 7, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28693851/a-population-based-analysis-of-a-rare-oncologic-entity-malignant-pancreatic-tumors-in-children
#19
Konstantinos S Mylonas, Dimitrios Nasioudis, Diamantis I Tsilimigras, Ilias P Doulamis, Peter T Masiakos, Cassandra M Kelleher
PURPOSE: To examine the clinicopathological characteristics and prognosis of pediatric patients with malignant pancreatic tumors in a population-based cohort. METHODS: The Surveillance, Epidemiology, and End Results (SEER) database was utilized to identify all pediatric patients with malignant pancreatic tumors, diagnosed between 1973 and 2013. Kaplan-Meier analysis was performed to determine median and five-year overall survival (OS) rates. Univariate survival analysis was executed using the log-rank test...
June 30, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28693804/reviewing-the-current-evidence-supporting-early-b-cells-as-the-cellular-origin-of-merkel-cell-carcinoma
#20
REVIEW
C M Sauer, A M Haugg, E Chteinberg, D Rennspiess, V Winnepenninckx, E-J Speel, J C Becker, A K Kurz, A Zur Hausen
Merkel cell carcinoma (MCC) is a highly malignant skin cancer characterized by early metastases and poor survival. Although MCC is a rare malignancy, its incidence is rapidly increasing in the U.S. and Europe. The discovery of the Merkel cell polyomavirus (MCPyV) has enormously impacted our understanding of its etiopathogenesis and biology. MCCs are characterized by trilinear differentiation, comprising the expression of neuroendocrine, epithelial and B-lymphoid lineage markers. To date, it is generally accepted that the initial assumption of MCC originating from Merkel cells (MCs) is unlikely...
August 2017: Critical Reviews in Oncology/hematology
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