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https://www.readbyqxmd.com/read/29156549/new-tripentone-analogs-with-antiproliferative-activity
#1
Barbara Parrino, Salviana Ullo, Alessandro Attanzio, Virginia Spanò, Stella Cascioferro, Alessandra Montalbano, Paola Barraja, Luisa Tesoriere, Girolamo Cirrincione, Patrizia Diana
Tripentones represent an interesting class of compounds due to their significant cytotoxicity against different human tumor cells in the submicro-nanomolar range. New tripentone analogs, in which a pyridine moiety replaces the thiophene ring originating the fused azaindole system endowed with anticancer activity viz 8H-thieno[2,3-b]pyrrolizinones, were efficiently synthesized in four steps with fair overall yields (34-57%). All tripentone derivatives were tested in the range of 0.1-100 μM for cytotoxicity against two human tumor cell lines, HCT-116 (human colorectal carcinoma) and MCF-7 (human breast cancer)...
November 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29115416/annexin-a2-and-cancer-a-systematic-review
#2
Maria V Christensen, Claus K Høgdall, Kirsten M Jochumsen, Estrid V S Høgdall
Annexin A2 is a 36-kDa protein interfering with multiple cellular processes especially in cancer progression. The present review aimed to show the relations between Annexin A2 and cancer. A systematic search for studies investigating cancer and Annexin A2 expression was conducted using PubMed. Acute lymphoblastic leukaemia, acute promyelocytic leukaemia, clear cell renal cell carcinoma, breast, cervical, colorectal, endometrial, gastric cancer, glioblastoma, hepatocellular carcinoma, lung, multiple myeloma, oesophageal squamous cell carcinoma, ovarian cancer, pancreatic duct adenocarcinoma, prostate cancer and urothelial carcinoma were evaluated...
November 8, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29096639/renal-clear-cell-carcinoma-metastasis-to-the-breast-ten-years-after-nephrectomy-a-case-report-and-literature-review
#3
Yanjun Xu, Rui Hou, Qijie Lu, Yifan Deng, Bin Hu
BACKGROUND: Renal cell carcinoma most commonly metastasizes to the lungs, skeleton or liver. Metastatic renal cell carcinoma to the breast is very rare, especially for clear cell carcinoma, and few cases regarding this condition have been reported. CASE PRESENTATION: The case we presented was a 68-year-old Chinese female with metastatic renal clear cell carcinoma of the left breast 10 years after a nephrectomy. Identification of the metastatic renal clear cell carcinoma in the breast required multiple breast imaging modalities...
November 2, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/29076877/the-role-of-molecular-testing-in-the-differential-diagnosis-of-salivary-gland-carcinomas
#4
Alena Skálová, Göran Stenman, Roderick H W Simpson, Henrik Hellquist, David Slouka, Tomas Svoboda, Justin A Bishop, Jennifer L Hunt, Ken-Ichi Nibu, Alessandra Rinaldo, Vincent Vander Poorten, Kenneth O Devaney, Petr Steiner, Alfio Ferlito
Salivary gland neoplasms are a morphologically heterogenous group of lesions that are often diagnostically challenging. In recent years, considerable progress in salivary gland taxonomy has been reached by the discovery of tumor type-specific fusion oncogenes generated by chromosome translocations. This review describes the clinicopathologic features of a selected group of salivary gland carcinomas with a focus on their distinctive genomic characteristics. Mammary analog secretory carcinoma is a recently described entity characterized by a t(12;15)(p13;q25) translocation resulting in an ETV6-NTRK3 fusion...
October 26, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29069010/risk-of-rash-associated-with-vandetanib-treatment-in-non-small-cell-lung-cancer-patients-a-meta-analysis-of-9-randomized-controlled-trials
#5
Yuan Liu, Manli Qi, Shuping Hou, Lili Shao, Junyan Zhang, Yan Li, Quanzhong Liu
BACKGROUND: Vandetanib is a promising anticancer target agent for treating advanced carcinomas, such as non-small-cell lung cancer (NSCLC) and breast cancer. Rash is a frequently reported adverse event of vandetanib. We conducted this meta-analysis to determine the incidence rate and overall risks of all-grade and high-grade rash with vandetanib in NSCLC patients. METHODS: PubMed, Embase, Web of Science, American Society of Clinical Oncology, and Cochrane Library were systematically searched to identify studies with vandetanib and rash in NSCLC patients...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29045509/the-antibody-drug-conjugate-target-landscape-across-a-broad-range-of-tumour-types
#6
K L Moek, D J A de Groot, E G E de Vries, R S N Fehrmann
Background: Antibody-drug conjugates (ADCs), consisting of an antibody designed against a specific target at the cell membrane linked with a cytotoxic agent, are an emerging class of therapeutics. Since ADC tumour cell targets do not have to be drivers of tumour growth, ADCs are potentially relevant for a wide range of tumours currently lacking clear oncogenic drivers. Therefore, we aimed to define the landscape of ADC targets in a broad range of tumours. Materials and methods: PubMed and ClinicalTrials...
September 25, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28972818/neuron-specific-enolase-as-an-immunohistochemical-marker-is-better-than-its-reputation
#7
Patricia Mjønes, Liv Sagatun, Ivar S Nordrum, Helge L Waldum
The diagnosis of neuroendocrine neoplasms (NENs) may be challenging and is based on typical morphological features and positive staining for antibodies of neuroendocrine differentiation. Neuron-specific enolase (NSE) being a cytosolic marker may be useful in this setting. NSE is by many considered nonspecific, due to the finding of this marker in tumors considered not to be of neuroendocrine origin. Our aim was to determine whether this is true and whether NSE is more specific than previously realized. We examined 178 tumors (carcinomas and NENs) from breast, lung, stomach, and kidney using immunohistochemistry with the following markers: chromogranin A, synaptophysin, CD56, secretagogin, and NSE...
September 1, 2017: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/28965222/clinicopathological-study-of-a-dimorphic-variant-of-breast-carcinoma
#8
Nozomi Ueno, Hajime Kuroda, Masafumi Kurosumi, Yuji Kozuka, Jun Ito, Hiroyuki Kato, Keiichi Kubota, Yasuo Imai
BACKGROUND: Dimorphic cells have abundant clear cytoplasm similar to myoepithelial cells, and the nuclei are identical to those in adjacent malignant columnar epithelial cells. A dimorphic variant of a breast carcinoma involves a neoplastic proliferation of epithelial cells including dimorphic cells. METHODS: The subjects were patients with primary breast carcinoma, who underwent surgical resection at the Hospital of Dokkyo Medical University between 2000 and 2016, and were reviewed and diagnosed with a dimorphic variant of breast carcinoma...
September 30, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28950682/effects-of-genistein-and-synergistic-action-in-combination-with-tamoxifen-on-the-hepg2-human-hepatocellular-carcinoma-cell-line
#9
Masumeh Sanaei, Fraidoon Kavoosi, Shekoufeh Atashpour, Soheila Haghighat
Introduction: The flavonoids comprise a diverse group of polyphenolic compounds with antioxidant activity that is present in edible plants like soybeans and soy products. In vivo studies have concentrated on the effects of flavonoids on cancer and genistein (GE), a soy-derived isoflavone, has been reported to reduce prostate, colon, hepatic and breast adenocarcinoma risk. Tamoxifen (TAM) is an important drug for cancer treatment worldwide, which can induce apoptosis in various cancers, including examples in the liver, breast and ovaries...
September 27, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28940260/authentication-of-m14-melanoma-cell-line-proves-misidentification-of-mda-mb-435-breast-cancer-cell-line
#10
Christopher Korch, Erin M Hall, Wilhelm G Dirks, Margaret Ewing, Mark Faries, Marileila Varella-Garcia, Steven Robinson, Douglas Storts, Jacqueline A Turner, Ying Wang, Edward C Burnett, Lyn Healy, Douglas Kniss, Richard M Neve, Raymond W Nims, Yvonne A Reid, William A Robinson, Amanda Capes-Davis
A variety of analytical approaches have indicated that melanoma cell line UCLA-SO-M14 (M14) and breast carcinoma cell line MDA-MB-435 originate from a common donor. This indicates that at some point in the past, one of these cell lines became misidentified, meaning that it ceased to correspond to the reported donor and instead became falsely identified (through cross-contamination or other means) as a cell line from a different donor. Initial studies concluded that MDA-MB-435 was the misidentified cell line and M14 was the authentic cell line, although contradictory evidence has been published, resulting in further confusion...
September 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28928899/hyperpolarized-13-c-diffusion-mrs-of-co-polarized-pyruvate-and-fumarate-to-measure-lactate-export-and-necrosis
#11
Benedikt Feuerecker, Markus Durst, Michael Michalik, Günter Schneider, Dieter Saur, Marion Menzel, Markus Schwaiger, Franz Schilling
Background: Non-invasive tumor characterization and monitoring are among the key goals of medical imaging. Using hyperpolarized (13)C-labelled metabolic probes fast metabolic pathways can be probed in real-time, providing new opportunities for tumor characterization. In this in vitro study, we investigated whether measurement of apparent diffusion coefficient (ADC) measurements and magnetic resonance spectroscopy (MRS) of co-polarized (13)C-labeled pyruvic acid and fumaric acid can non-invasively detect both necrosis and changes in lactate export, which are parameters indicative of tumor aggressiveness...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28921948/baf180-its-roles-in-dna-repair-and-consequences-in-cancer
#12
Sarah Hopson, Martin J Thompson
In 2011, Varela et al. reported that the PBRM1 gene is mutated in approximately 40% of clear cell renal cell carcinoma cases. Since then, the number of studies relating PBRM1 mutations to cancers has substantially increased. BAF180 has now been linked to more than 30 types of cancers, including ccRCC, cholangiocarcinomas, esophageal squamous cell carcinoma, bladder cancer, and breast cancer. The mutations associated with BAF180 are most often truncations, which result in a loss of protein expression. This loss has been shown to adversely affect the expression of genes, likely because BAF180 is the chromatin recognition subunit of PBAF...
September 28, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28912913/paraneoplastic-dermatomyositis-syndrome-presenting-as-dysphagia
#13
Emmanuel Ofori, Daryl Ramai, Mel Ona, Madhavi Reddy
Dermatomyositis (DM) is a rare autoimmune condition which predominantly affects females in the fifth and sixth decades of life. DM presents acutely or progressively as painless proximal skeletal muscle weakness and can be associated with a heliotropic rash around the eyes, and Gottron's papules on extensor surfaces of the hands. While the pathophysiology of DM is still unclear, abnormal T- and B-cell immune activity has been reported. DM has been associated with malignancy and has been shown to appear before, concurrently with, or after diagnosis of cancer...
August 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28912897/genomic-analysis-of-tumor-microenvironment-immune-types-across-14-solid-cancer-types-immunotherapeutic-implications
#14
Yu-Pei Chen, Yu Zhang, Jia-Wei Lv, Ying-Qin Li, Ya-Qin Wang, Qing-Mei He, Xiao-Jing Yang, Ying Sun, Yan-Ping Mao, Jing-Ping Yun, Na Liu, Jun Ma
We performed a comprehensive immuno-genomic analysis of tumor microenvironment immune types (TMITs), which is classified into four groups based on PD-L1+CD8A or PD-L1+cytolytic activity (CYT) expression, across a broad spectrum of solid tumors in order to help identify patients who will benefit from anti- PD-1/PD-L1 therapy. The mRNA sequencing data from The Cancer Genome Atlas (TCGA) of 14 solid cancer types representing 6,685 tumor samples was analyzed. TMIT was classified only for those tumor types that both PD-L1 and CD8A/CYT could prefict mutation and/or neoantigen number...
2017: Theranostics
https://www.readbyqxmd.com/read/28883419/bio-fabrication-of-silver-nanoparticles-by-phycocyanin-characterization-in-vitro-anticancer-activity-against-breast-cancer-cell-line-and-in-vivo-cytotxicity
#15
Noura El-Ahmady El-Naggar, Mervat H Hussein, Asmaa Atallah El-Sawah
In recent decades, researchers were attracted towards cyanobacterial components which are potential low-cost biological reagents for silver nanoparticle biosynthesis. This article describes the biological synthesis of silver nanoparticles using a proteinaceous pigment phycocyanin extracted from Nostoc linckia as reducing agent. The synthesized silver nanoparticles have a surface plasmon resonance band centered at 425 nm. Face-centered central composite design used for optimization of silver nanoparticles (AgNPs) biosynthesis using phycocyanin...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28881584/dimerization-of-egfr-and-her2-induces-breast-cancer-cell-motility-through-stat1-dependent-acta2-induction
#16
Myeongjin Jeon, Daeun You, Soo Youn Bae, Seok Won Kim, Seok Jin Nam, Hyeon Ho Kim, Sangmin Kim, Jeong Eon Lee
The dimerization of EGFR and HER2 is associated with poor prognosis such as induction of tumor growth and cell invasion compared to when EGFR remains as a homodimer. However, the mechanism for events after dimerization in breast cancer models is not clear. We found that expressions of alpha-smooth muscle actin (ACTA2) and signal transducer and activator of transcription 1 (STAT1) significantly increased with transient or stable overexpression of HER2 in EGFR-positive breast cancer cells. ACTA2 and STAT1 expression was also increased in HER2-positive breast cancer patients...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28878662/epulis-like-presentation-of-gingival-renal-cancer-metastasis
#17
Gianfilippo Nifosì, Hubert Bressand, Antonio Fabrizio Nifosì, Lorenzo Nifosì, Pierre Damseaux
Mouth metastatic cancers are very rare and they usually represent the evidence of a widespread disease. Common primary tumors are lung carcinoma in men and breast carcinoma in women, followed by kidney cancer. In the oral soft tissues, the gingiva is the most common site, suggesting a possible role of inflammation in the attraction of circulating tumor cells. Oral metastasis has a serious prognosis. In this work, we describe the case of a 58-year-old man affected by renal cancer, who was brought to our attention for the appearance of a gingival swelling...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28877888/a-novel-18-marker-panel-predicting-clinical-outcome-in-breast-cancer
#18
Jana Biermann, Szilárd Nemes, Toshima Z Parris, Hanna Engqvist, Elisabeth Werner Rönnerman, Eva Forssell-Aronsson, Gunnar Steineck, Per Karlsson, Khalil Helou
Background: Gene expression profiling has made considerable contributions to our understanding of cancer biology and clinical care. This study describes a novel gene expression signature for breast cancer-specific survival that was validated using external datasets.Methods: Gene expression signatures for invasive breast carcinomas (mainly luminal B subtype) corresponding to 136 patients were analyzed using Cox regression, and the effect of each gene on disease-specific survival (DSS) was estimated. Iterative Bayesian model averaging was applied on multivariable Cox regression models resulting in an 18-marker panel, which was validated using three external validation datasets...
September 6, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28862203/utility-of-cell-block-to-detect-malignancy-in-fluid-cytology-adjunct-or-necessity
#19
Sumedha Dey, Dipanwita Nag, Ayandip Nandi, Ranjana Bandyopadhyay
AIM OF THE STUDY: Cell block (CB) technique when supplemented with conventional smear, provides increased cellularity, preservation of architectural pattern with excellent morphology, and a clear background. We compare the utility of CB technique compared to conventional smear in detection of malignancy in serous effusions. MATERIALS AND METHODS: An institution-based observational and analytical study was carried out over 1 year on 50 patients with effusions. The residual amount of centrifuged deposit after preparation of conventional smear was mixed with 10% alcohol-formalin solution, and CBs were prepared...
July 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28835347/cytotoxic-effect-of-sanguiin-h-6-on-mcf-7-and-mda-mb-231-human-breast-carcinoma-cells
#20
Eun-Ji Park, Dahae Lee, Seon-Eun Baek, Ki Hyun Kim, Ki Sung Kang, Tae Su Jang, Hye Lim Lee, Ji Hoon Song, Jeong-Eun Yoo
Sanguiin H-6 is a dimer of casuarictin linked by a bond between the gallic acid residue and one of the hexahydroxydiphenic acid units. It is an effective compound extracted from Rubus coreanus. It has an anticancer effect against several human cancer cells; however, its effect on breast cancer cells has not been clearly demonstrated. Thus, we aimed to investigate the anticancer effect and mechanism of action of sanguiin H-6 against two human breast carcinoma cell lines (MCF-7 and MDA-MB-231). We found that sanguiin H-6 significantly reduced cell viability in a concentration-dependent manner...
September 15, 2017: Bioorganic & Medicinal Chemistry Letters
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