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https://www.readbyqxmd.com/read/28645508/merkel-cell-carcinoma-melanoma-metastatic-mimics-of-breast-cancer
#1
REVIEW
Megan L Troxell
Merkel cell carcinoma and melanoma can each occur primarily in breast skin, or metastasize to the breast. The breast is a rare site of metastasis of essentially any and every type of tumor, including carcinomas, sarcomas, and hematolymphoid neoplasms, and 10-30% of breast metastases may represent the initial presentation of disease. Although metastases generally recapitulate histologic features of the primary tumor, they are diagnostically challenging given their rarity and morphologic overlap with breast carcinoma, including special types of breast cancer...
May 31, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28644156/clinical-case-of-the-month-a-57-year-old-man-with-an-axillary-mass
#2
Palak Desai, Andrew Myers, Brian Boulmay, Fred A Lopez
A 57-year-old man presented to the surgical oncology clinic with a mildly tender mass under his right arm. Four years prior, the patient had a melanoma removed from his right shoulder along with an ipsilateral right axillary sentinel lymph sampling. Computed tomography (CT) scan was negative for metastatic disease at that time. The patient did not undergo completion axillary node dissection and was lost to follow-up. The patient was originally from Australia, did not tan but reported multiple sunburns before age 18...
May 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28643774/insufficient-antibody-validation-challenges-oestrogen-receptor-beta-research
#3
Sandra Andersson, Mårten Sundberg, Nusa Pristovsek, Ahmed Ibrahim, Philip Jonsson, Borbala Katona, Carl-Magnus Clausson, Agata Zieba, Margareta Ramström, Ola Söderberg, Cecilia Williams, Anna Asplund
The discovery of oestrogen receptor β (ERβ/ESR2) was a landmark discovery. Its reported expression and homology with breast cancer pharmacological target ERα (ESR1) raised hopes for improved endocrine therapies. After 20 years of intense research, this has not materialized. We here perform a rigorous validation of 13 anti-ERβ antibodies, using well-characterized controls and a panel of validation methods. We conclude that only one antibody, the rarely used monoclonal PPZ0506, specifically targets ERβ in immunohistochemistry...
June 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28641528/drug-design-synthesis-and-in-vitro-evaluation-of-substituted-benzofurans-as-hsp90-inhibitors
#4
Sundeep Kadasi, Thadeu E M M Costa, Neha Arukala, Mallika Toshakani, Chaitanya Duggineti, Sreekanth Thota, Sayan Dutta Gupta, Shiva Raj, Carmen Penido, Maria G Henriques, Nulgumnalli Manjunathaiah Raghavendra
BACKGROUND: Heat shock protein 90 is a molecular chaperone required for the stability and function of several client proteins that promote cancer cell growth and/or survival. Discovery of Hsp90 inhibitors has emerged as an attractive target of research in cancer therapeutics. Natural products like geldanamycin and radicicol are established Hsp90 inhibitors, but face limitations with toxicity and inactivity, by in vivo studies respectively. However, they lay the logical starting point for the design of novel synthetic or semi-synthetic congeners as Hsp90 inhibitors...
June 22, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28640659/phlda1-pleckstrin-homology-like-domain-family-a-member-1-knockdown-promotes-migration-and-invasion-of-mcf10a-breast-epithelial-cells
#5
Naieli Bonatto, Maria José Carlini, Simone Aparecida de Bessa Garcia, Maria Aparecida Nagai
PHLDA1 (pleckstrin homology-like domain, family A, member 1) is a multifunctional protein that plays distinct roles in several biological processes including cell death and therefore its altered expression has been identified in different types of cancer. Progressively loss of PHLDA1 was found in primary and metastatic melanoma while its overexpression was reported in intestinal and pancreatic tumors. Previous work from our group showed that negative expression of PHLDA1 protein was a strong predictor of poor prognosis for breast cancer disease...
June 22, 2017: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/28638272/bioactivities-of-ethanol-extract-from-the-antarctic-freshwater-microalga-chloromonas-sp
#6
Sung-Suk Suh, Eun Jin Yang, Sung Gu Lee, Ui Joung Youn, Se Jong Han, Il-Chan Kim, Sanghee Kim
Cancer is the principal cause of human death and occurs through highly complex processes that involve the multiple coordinated mechanisms of tumorigenesis. A number of studies have indicated that the microalgae extracts showed anticancer activity in a variety of human cancer cells and can provide a new insight in the development of novel anti-cancer therapy. Here, in order to investigate molecular mechanisms of anticancer activity in the Antarctic freshwater microalga, Chloromonas sp., we prepared ethanol extract of Chloromonas sp...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28637487/the-nf1-somatic-mutational-landscape-in-sporadic-human-cancers
#7
REVIEW
Charlotte Philpott, Hannah Tovell, Ian M Frayling, David N Cooper, Meena Upadhyaya
BACKGROUND: Neurofibromatosis type 1 (NF1: Online Mendelian Inheritance in Man (OMIM) #162200) is an autosomal dominantly inherited tumour predisposition syndrome. Heritable constitutional mutations in the NF1 gene result in dysregulation of the RAS/MAPK pathway and are causative of NF1. The major known function of the NF1 gene product neurofibromin is to downregulate RAS. NF1 exhibits variable clinical expression and is characterized by benign cutaneous lesions including neurofibromas and café-au-lait macules, as well as a predisposition to various types of malignancy, such as breast cancer and leukaemia...
June 21, 2017: Human Genomics
https://www.readbyqxmd.com/read/28634727/safety-and-efficacy-of-chemosaturation-in-patients-with-primary-and-secondary-liver-tumors
#8
Martha M Kirstein, Steffen Marquardt, Nils Jedicke, Silke Marhenke, Wolfgang Koppert, Michael P Manns, Frank Wacker, Arndt Vogel
BACKGROUND: Chemosaturation with percutaneous hepatic perfusion (CS-PHP; hepatic CHEMOSAT(®) delivery system; Delcath Systems Inc, USA) is a novel medical device, which delivers high doses of melphalan directly to the liver in patients with primary and secondary liver tumors while limiting systemic toxicity through hemofiltration of the hepatic venous blood. The aim of this study was to analyze the safety and efficacy of the second-generation CS-PHP after 54 treatments at Hannover Medical School, Germany...
June 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28630590/analysis-of-prognostic-factors-for-melanoma-patients
#9
Andrė Lideikaitė, Julija Mozūraitienė, Simona Letautienė
Introduction. Melanoma is the most dangerous form of skin cancer. Morbidity from melanoma is increasing every year. Previous studies have revealed that there are some demographic and clinical factors having effect on melanoma survival prognosis. Aim of the study. Purpose of our study was to assess melanoma survival depending on prognostic factors, such as age, sex, stage, depth, histology and anatomical site. Materials and methods. We investigated melanoma-specific survival up to 10 years in 85 primary cases of melanoma from diagnosis at the National Cancer Institute in 2006...
2017: Acta medica Lituanica
https://www.readbyqxmd.com/read/28629479/evaluation-of-invasive-breast-cancer-samples-using-a-12-chemokine-gene-expression-score-correlation-with-clinical-outcomes
#10
Sangeetha Prabhakaran, Victoria T Rizk, Zhenjun Ma, Chia-Ho Cheng, Anders E Berglund, Dominico Coppola, Farah Khalil, James J Mulé, Hatem H Soliman
BACKGROUND: A unique 12-chemokine gene expression score (CS) accurately predicted the presence of tumor-localized, ectopic lymph node-like structures (TL-ELNs) and improved overall survival (OS) in primary colorectal cancer and metastatic melanoma. We analyzed the correlation between CS, clinicopathological variables, molecular data, and 366 survival in Moffitt Cancer Center's Total Cancer Care (TCC) patients with non-metastatic breast cancer. METHODS: Affymetrix gene expression profiles were used to interrogate the CS by the principal component method...
June 19, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28629213/la-sopravvivenza-dei-pazienti-oncologici-in-italia
#11
Vincenzo Coviello, Carlotta Buzzoni, Mario Fusco, Alessandro Barchielli, Francesco Cuccaro, Roberta De Angelis, Adriano Giacomin, Stefano Luminari, Giorgia Randi, Lucia Mangone
OBJECTIVES: Population-based survival statistics are fundamental to assess the efficacy of services offered to improve cancer patients' prognosis. This study aims to update cancer survival estimates for the Italian population, as well as provide new measures, such as the crude probability of death, which takes into account the possibility of dying from causes other than cancer, and the change in life expectancy after a cancer diagnosis, to properly address various questions. RESULTS: The study includes 1,932,450 cancer cases detected by the Network of Italian Cancer Registries (AIRTUM) from 1994 to 2011 and provides estimates for 38 cancer sites and for allsites cancer...
March 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28624541/the-high-prevalence-and-clinical-socio-demographic-correlates-of-miscarriages-among-flight-attendants
#12
Bettina Heidecker, Rachel Maureen Spencer, Victoria Hayes, Sarah Hall, Nisha Parikh, Eveline Oestreicher Stock, Rita Redberg
BACKGROUND: There are many occupational health hazards associated with long hours of air travel including cosmic radiation exposure, circadian rhythm disruptions and secondhand smoke exposure prior, for flight attendants who flew prior to smoking bans initiated in the 90s. Previous studies in flight attendants have found increased incidence of breast cancer and melanoma. However, there is little information on the relationship of airline travel and reproductive health in flight attendants...
June 14, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28620008/pten-dicer1-fh-and-their-associated-tumor-susceptibility-syndromes-clinical-features-genetics-and-surveillance-recommendations-in-childhood
#13
REVIEW
Kris Ann P Schultz, Surya P Rednam, Junne Kamihara, Leslie Doros, Maria Isabel Achatz, Jonathan D Wasserman, Lisa R Diller, Laurence Brugières, Harriet Druker, Katherine A Schneider, Rose B McGee, William D Foulkes
PTEN hamartoma tumor syndrome (PHTS), DICER1 syndrome, and hereditary leiomyomatosis and renal cell cancer (HLRCC) syndrome are pleiotropic tumor predisposition syndromes that include benign and malignant neoplasms affecting adults and children. PHTS includes several disorders with shared and distinct clinical features. These are associated with elevated lifetime risk of breast, thyroid, endometrial, colorectal, and renal cancers as well as melanoma. Thyroid cancer represents the predominant cancer risk under age 20 years...
June 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28618843/risk-of-cardiac-death-among-cancer-survivors-in-the-united-states-a-seer-database-analysis
#14
Omar Abdel-Rahman
 Background: Population-based data on the risk of cardiac death among cancer survivors are needed. This scenario was evaluated in cancer survivors (>5 years) registered within the Surveillance, Epidemiology and End Results (SEER) database. METHODS: The SEER database was queried using SEER*Stat to determine the frequency of cardiac death compared to other causes of death; and to determine heart disease-specific and cancer-specific survival rates in survivors of each of the 10 most common cancers in men and women in the SEER database...
June 21, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28617341/microwave-assisted-facile-synthesis-anticancer-evaluation-and-docking-study-of-n-5-substituted-methylene-amino-1-3-4-thiadiazol-2-yl-methyl-benzamide-derivatives
#15
Shailee V Tiwari, Sumaiya Siddiqui, Julio A Seijas, M Pilar Vazquez-Tato, Aniket P Sarkate, Deepak K Lokwani, Anna Pratima G Nikalje
In the present work, 12 novel Schiff's bases containing a thiadiazole scaffold and benzamide groups coupled through appropriate pharmacophore were synthesized. These moieties are associated with important biological properties. A facile, solvent-free synthesis of a series of novel 7(a-l) N-((5-(substituted methylene amino)-1,3,4-thiadiazol-2-yl)methyl) benzamide was carried out under microwave irradiation. Structures of the synthesized compounds were confirmed by IR, NMR, mass spectral study and elemental analysis...
June 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28609837/familial-pancreatic-cancer-and-the-future-of-directed-screening
#16
REVIEW
Sara Welinsky, Aimee L Lucas
Pancreatic cancer (PC) is the third most common cause of cancer-related death in the United States and the 12th most common worldwide. Mortality is high, largely due to late stage of presentation and suboptimal treatment regimens. Approximately 10% of PC cases have a familial basis. The major genetic defect has yet to be identified but may be inherited by an autosomal dominant pattern with reduced penetrance. Several known hereditary syndromes or genes are associated with an increased risk of developing PC and account for approximately 2% of PCs...
June 15, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28606732/constitutive-and-acquired-mechanisms-of-resistance-to-immune-checkpoint-blockade-in-human-cancer
#17
Matteo Bellone, Angela Rita Elia
Cancer immunotherapy with monoclonal antibodies directed against regulatory pathways in T lymphocytes has been revolutionizing medical oncology, and the clinical success of monoclonal antibodies targeting either cytotoxic T lymphocyte antigen-4 (CTLA-4) or program death-1 (PD-1) in patients affected by melanoma, Hodgkin's lymphoma, Merkel cell carcinoma, and head and neck, bladder, renal cell or non-small cell lung cancer is way beyond the most optimistic expectation. However, immune checkpoint blockade (ICB) has failed to arrest progression in a consistent amount of patients affected by those tumors, and various histological types, including breast, colon and prostate cancer, are less sensitive to this therapeutic approach...
June 2, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28596940/histone-deacetylase-inhibitor-treatment-increases-the-expression-of-the-plasma-membrane-ca-2-pump-pmca4b-and-inhibits-the-migration-of-melanoma-cells-independent-of-erk
#18
Luca Hegedüs, Rita Padányi, Judit Molnár, Katalin Pászty, Karolina Varga, István Kenessey, Eszter Sárközy, Matthias Wolf, Michael Grusch, Zoltán Hegyi, László Homolya, Clemens Aigner, Tamás Garay, Balázs Hegedüs, József Tímár, Enikö Kállay, Ágnes Enyedi
Several new therapeutic options emerged recently to treat metastatic melanoma; however, the high frequency of intrinsic and acquired resistance among patients shows a need for new therapeutic options. Previously, we identified the plasma membrane Ca(2+) ATPase 4b (PMCA4b) as a metastasis suppressor in BRAF-mutant melanomas and found that mutant BRAF inhibition increased the expression of the pump, which then inhibited the migratory and metastatic capability of the cells. Earlier it was also demonstrated that histone deacetylase inhibitors (HDACis) upregulated PMCA4b expression in gastric, colon, and breast cancer cells...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28593908/circulating-cell-free-micrornas-as-clinical-cancer-biomarkers
#19
REVIEW
Virginie Armand-Labit, Anne Pradines
MicroRNAs (miRNAs) are non-coding small RNAs that are master regulators of genic expression and consequently of many cellular processes. But their expression is often deregulated in human tumors leading to cancer development. Recently miRNAs were discovered in body fluids (serum, plasma and others) and their levels have often been reported to be altered in patients. Circulating miRNAs became one of the most promising biomarkers in oncology for early diagnosis, prognosis and therapeutic response prediction. Here we describe the origins and roles of miRNAs, and summarize the most recent studies focusing on their usefulness as cancer biomarkers in lung, breast, colon, prostate, ovary cancers and melanoma...
April 27, 2017: Biomolecular Concepts
https://www.readbyqxmd.com/read/28590274/survival-from-cancer-in-the-north-region-of-portugal-results-from-the-first-decade-of-the-millennium
#20
Luís Antunes, Lúcio L Santos, Maria José Bento
The aim of this study was to evaluate net survival from cancer diagnosed during the period 2001/2010 in the north region of Portugal to identify the tumours that need actions to improve the outcomes. Data were retrieved from the North Region Cancer Registry of Portugal database. The top 20 cancer sites in adults were considered: oesophagus, stomach, colon, rectum, pancreas, liver, larynx, lung, skin melanoma, breast, cervix, corpus uteri, ovary, prostate, kidney, bladder, brain and central nervous system, thyroid, non-Hodgkin lymphoma and multiple myeloma...
June 5, 2017: European Journal of Cancer Prevention
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