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https://www.readbyqxmd.com/read/29325268/-clinical-significance-of-targeting-drug-based-molecular-biomarkers-expression-in-ovarian-clear-cell-carcinoma
#1
M J Li, H R Li, X Cheng, R Bi, X Y Tu, F Liu, L H Chen
Objective: To assess the expression level of targeting drug-based molecular biomarkers in ovarian clear cell carcinoma (OCCC) tissues and its clinical significance. Methods: A total of 63 OCCC patients included 40 primary OCCC and 23 recurrent OCCC for secondary cytoreductive surgery (SCS), who had received primary surgeries at Fudan University Shanghai Cancer Center between January, 2008 and December, 2015 were enrolled, and immunohistochemistry SP method was used to test human epidermal growth factor receptor (EGFR), human epidermal growth factor receptor-2 (HER2), aurora kinase A (AURKA), breast cancer susceptibility gene 1 (BRCA1), BRCA2 and programmed death-ligand 1 (PD-L1)protein expression in paraffin-embedded tissues...
December 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/29321661/differential-recruitment-of-cd44-isoforms-by-erbb-ligands-reveals-an-involvement-of-cd44-in-breast-cancer
#2
Iris Morath, Christian Jung, Romain Lévêque, Chen Linfeng, Robert-Alain Toillon, Arne Warth, Véronique Orian-Rousseau
Members of the CD44 family of transmembrane glycoproteins control cell signaling pathways from numerous cell surface receptors, including receptor tyrosine kinases (RTKs). The decisive factor (ligand, RTKs or both) that controls the recruitment of specific CD44 isoforms is still unknown. We investigated this question by using the EGFR signaling pathway, in which one receptor can be activated by a broad range of ligands. By means of siRNA-mediated downregulation of CD44 expression and blocking experiments, we identified CD44v6 as a co-receptor for EGF- and ER-induced ErbB1 activation and for NRG1-induced ErbB3 and ErbB4 activation...
January 11, 2018: Oncogene
https://www.readbyqxmd.com/read/29286612/unexpected-lower-expression-of-oncoprotein-gankyrin-in-drug-resistant-abcg2-overexpressing-breast-cancer-cell-lines
#3
Taheri Taheri, Khadijeh Jamialahmadi, Fatemeh Khadijeh
Background: Development of a multidrug resistance (MDR) phenotype to chemotherapy remains a major barrier in the treatment of cancer. Gankyrin (p28, p28GANK or PSMD10) is an oncoprotein overexpressed in different carcinoma cell lines. The aim of this study was to compare Gankyrin expression level in MDR cells (MCF-7/ADR and MCF-7/ MX) and non-MDR counterparts (MCF-7). Methods: Gankyrin, MDR1 (also known as ABCB1; the ATP-binding cassette sub-family B member 1) and ABCG2 (also known as BCRP; the human breast cancer resistance protein) mRNA levels were analyzed by real-time RT-PCR...
December 29, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29277326/identification-of-the-functional-alteration-signatures-across-different-cancer-types-with-support-vector-machine-and-feature-analysis
#4
ShaoPeng Wang, YuDong Cai
Cancers are regarded as malignant proliferations of tumor cells present in many tissues and organs, which can severely curtail the quality of human life. The potential of using plasma DNA for cancer detection has been widely recognized, leading to the need of mapping the tissue-of-origin through the identification of somatic mutations. With cutting-edge technologies, such as next-generation sequencing, numerous somatic mutations have been identified, and the mutation signatures have been uncovered across different cancer types...
December 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29246104/mechanically-tuned-3-dimensional-hydrogels-support-human-mammary-fibroblast-growth-and-viability
#5
Kathryn Woods, Catlyn Thigpen, Jennifer Peyling Wang, Hana Park, Abigail Hielscher
BACKGROUND: Carcinoma associated fibroblasts (CAFs or myofibroblasts) are activated fibroblasts which participate in breast tumor growth, angiogenesis, invasion, metastasis and therapy resistance. As such, recent efforts have been directed toward understanding the factors responsible for activation of the phenotype. In this study, we have investigated how changes in the mechanical stiffness of a 3D hydrogel alter the behavior and myofibroblast-like properties of human mammary fibroblasts (HMFs)...
December 16, 2017: BMC Cell Biology
https://www.readbyqxmd.com/read/29235520/ubiquitin-conjugating-enzyme-e2t-ube2t-and-denticleless-protein-homolog-dtl-are-linked-to-poor-outcome-in-breast-and-lung-cancers
#6
Javier Perez-Peña, Verónica Corrales-Sánchez, Eitan Amir, Atanasio Pandiella, Alberto Ocana
Protein ubiquitination and degradation represent druggable vulnerabilities of cancer cells. We used gene expression and functional annotation analyses to identify genes in the ubiquitin pathway which are differentially expressed between normal breast and basal-like tumors. With this approach we identified 16 ubiquitin related genes overexpressed in basal-like breast cancers compared with normal breast. We then explored the association between these genes and outcomes using the KMPlotter online tool. Two genes, the ubiquitin-conjugating enzyme E2T (UBE2T) and the denticleless protein homolog (DTL) were overexpressed and linked with detrimental outcome in basal-like and luminal breast cancer patients...
December 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29212524/successful-management-of-retinal-metastasis-from-renal-cancer-with-everolimus-in-a-monophthalmic-patient-a-case-report
#7
Ismail Essadi, Issam Lalya, Mohamed Kriet, Abdelhamid El Omrani, Rhizlane Belbaraka, Mouna Khouchani
BACKGROUND: The retina is an uncommon site for metastases, in particular from solid tumors. Some authors have reported a recent increase in the incidence of metastases in infrequent sites, such as brain or bone, probably due to the expanded treatment options and the resulting improved survival. Choroidal metastasis is the most common type of intraocular malignancy. The most common primary sites associated with choroidal metastasis are breast cancer in women and lung cancer in men. Treatment options are limited, but they must be discussed and adapted to the patient profile...
December 7, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29179967/-from-tumour-to-tumour-metastasis-of-invasive-ductal-breast-carcinoma-to-chromophobe-renal-cell-carcinoma
#8
Weimar Toro-Zambrano, Áurea Gómez-Durán, Antonio Félix Conde-Martin, Carlos Mayoral-Guisado, Antonio Ruiz-Guerrero, Alejandro Rubio-Fernández
The coexistence of two or more tumours in the same patient is unusual, but even rarer is the metastasis of one tumour to another. Most reports are based on evidence from autopsies; very few refer to surgical specimens. The most common primary tumour is pulmonary carcinoma and most frequent metastatic tumour is renal clear cell carcinoma. We present the case of a 54 year-old female with a past history of infiltrating ductal carcinoma of the breast with metastases in lung, lymph nodes and bone. Three months previously to her referral to us, she had developed a renal mass and underwent nephrectomy...
January 2017: Revista Española de Patología
https://www.readbyqxmd.com/read/29170871/the-diagnostic-role-of-pten-and-arid1a-in-serous-effusions
#9
Ben Davidson, Maurizio Pinamonti, Dolors Cuevas, Arild Holth, Pio Zeppa, Thomas Hager, Jeremias Wohlschlaeger, Martin Tötsch
The aim of this study was to analyze the diagnostic role of PTEN and ARID1A in effusion cytology. Effusions (n = 279), consisting of 226 carcinomas (70 ovarian, 64 breast, 36 lung, and 15 uterine corpus carcinomas; 41 carcinomas of other origin) and 53 malignant mesotheliomas, were analyzed for PTEN and ARID1A expression using immunohistochemistry. PTEN was preserved in 166 (59%) tumors, partially lost in 38 (14%), and absent in 75 (27%), with lower expression in malignant mesotheliomas compared to carcinomas, though not significantly (p = 0...
November 24, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/29156549/new-tripentone-analogs-with-antiproliferative-activity
#10
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
#11
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
#12
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
#13
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...
February 2018: 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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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