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https://www.readbyqxmd.com/read/28935174/timp-3-mrna-expression-levels-positively-correlates-with-levels-of-mir-21-in-in-situ-bc-and-negatively-in-pr-positive-invasive-bc
#1
Nina Petrovic, Ahmad Sami, Jelena Martinovic, Marina Zaric, Irina Nakashidze, Silvana Lukic, Snezana Jovanovic-Cupic
BACKGROUND: Breast carcinomas (BC) belong to a heterogeneous group of malignant diseases. Correct categorization of BC based on molecular biomarkers has a very important role in deciding the proper course of therapy for each patient. It has been already shown that the decrease of TIMP metalloproteinase inhibitor 3 (TIMP-3) together with overexpression of microRNA-21 (miR-21) might be involved in the process of BC invasion. This is the first study that examined relationship among miR-21, TIMP-3 mRNA and TIPM-3 protein levels in BC groups formed according to invasiveness...
September 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28929359/immunohistochemical-versus-molecular-blueprint-and-mammaprint-subtyping-of-breast-carcinoma-outcome-results-from-the-eortc-10041-big-3-04-mindact-trial
#2
G Viale, F A de Snoo, L Slaets, J Bogaerts, L van 't Veer, E J Rutgers, M J Piccart-Gebhart, L Stork-Sloots, A Glas, L Russo, P Dell'Orto, K Tryfonidis, S Litière, F Cardoso
PURPOSE: This study compares immunohistochemical (IHC) versus molecular subtyping (BluePrint and MammaPrint) in the population of patients enrolled in MINDACT and outcome based on molecular subtyping (MS) versus surrogate pathological subtyping (PS) as defined by the 2013 St. Gallen guidelines. METHODS: MS classified patients in the following subtypes: Luminal A, Luminal B, HER-2-, and Basal-type. IHC/FISH for pathological subtyping (ER, PgR, HER-2, and Ki67) was centrally assessed in the European Institute of Oncology (n = 5806)...
September 19, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28927692/prognostic-influence-of-tumor-stroma-on-breast-cancer-subtypes
#3
Sandra Cid, Noemi Eiro, Berta Fernández, Rosario Sánchez, Alejandro Andicoechea, Pablo Ignacio Fernández-Muñiz, Luis O González, Francisco J Vizoso
INTRODUCTION: The objective of the present work was to evaluate the impact of the phenotype of both intratumoral mononuclear inflammatory cells (MICs) and cancer-associated fibroblast (CAFs), assessed as to their expression of matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) on prognosis in different breast cancer subtypes. MATERIALS AND METHODS: A total of 247 tumors of patients with primary ductal invasive breast cancer were categorized into 1 of 4 major subtypes, using the 3 standard immunohistochemical markers (estrogen receptor [ER], progesterone receptor [PR], and human epidermal growth factor receptor/Neu 2 [HER2] receptor status)...
August 19, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28927120/expression-and-clinical-significance-of-satb1-and-tlr4-in-breast-cancer
#4
Xuebo Wang, Xiumei Yu, Qingli Wang, Yingying Lu, Haixia Chen
This study investigated the expression of special AT-rich sequence-binding protein 1 (SATB1) and toll-like receptor 4 (TLR4) protein in breast cancer and its clinical significance. We collected breast cancer tissues from 120 patients and adjacent non-cancerous tissue from 53 patients. SATB1 was expressed in 89 cases of breast cancer (74.17%) and in 7 cases of adjacent non-cancerous tissue (13.21%). TLR4 was expressed in 70 cases of breast cancer tissues (58.33%) and in 48 cases of adjacent non-cancerous tissue (90...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28921454/erratum-to-lapatinib-access-into-normal-brain-and-brain-metastases-in-patients-with-her-2-overexpressing-breast-cancer
#5
Azeem Saleem, Graham E Searle, Laura M Kenny, Mickael Huiban, Kasia Kozlowski, Adam D Waldman, Laura Woodley, Carlo Palmieri, Charles Lowdell, Tomomi Kaneko, Philip S Murphy, Mike R Lau, Eric O Aboagye, Raoul C Coombes
No abstract text is available yet for this article.
September 18, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28915682/systematic-review-and-meta-analysis-of-the-efficacy-of-breast-conservation-therapy-followed-by-radiotherapy-in-four-breast-cancer-subtypes
#6
Xin-Bin Pan, Rou-Jun Chen, Shi-Ting Huang, Yan-Ming Jiang, Xiao-Dong Zhu
The different molecular subtypes of breast cancer are associated with distinct outcomes. We assessed the efficacy of breast conservation therapy (BCT) followed by radiotherapy for patients with different breast cancer subtypes. We searched the MEDLINE, EMBASE, and Cochrane Library databases to identify studies published prior to April 30, 2016 that assessed the efficacy of BCT followed by radiotherapy in breast cancer patients with different molecular subtypes. A meta-analysis of seven studies that included 3,798 luminal A, 770 luminal B, 344 human epidermal growth factor receptor 2 (Her-2), and 767 triple-negative breast cancer (TNBC) patients was performed...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915591/eugenol-alleviated-breast-precancerous-lesions-through-her2-pi3k-akt-pathway-induced-cell-apoptosis-and-s-phase-arrest
#7
Min Ma, Yi Ma, Gui-Juan Zhang, Rui Liao, Xue-Feng Jiang, Xian-Xin Yan, Feng-Jie Bie, Xiao-Bo Li, Yan-Hong Lv
Eugenol can be separated from the oil extract of clove bud, and has many pharmacological functions such as anticancer and transdermal absorption. HER2/PI3K-AKT is a key signaling pathway in the development of breast cancer. In this study, 80 μM eugenol could significantly inhibit the proliferation of HER-2 positive MCF-10AT cells and the inhibition rate was up to 32.8%, but had no obvious inhibitory effect on MCF-7 and MCF-10A cells with HER2 weak expression. Eugenol also significantly induced human breast precancerous lesion MCF-10AT cell apoptosis and cell cycle S-phase arrest, but the biological effects nearly disappeared after HER2 over-expression through transfecting pcDNA3...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28913549/multicenter-phase-ii-study-of-capecitabine-plus-cisplatin-as-first-line-therapy-for-human-epidermal-growth-factor-receptor-2-negative-advanced-gastric-cancer-yokohama-clinical-oncology-group-study-ycog1107
#8
Kei Sato, Chikara Kunisaki, Takashi Kosaka, Ryo Takagawa, Masazumi Takahashi, Yusuke Izumisawa, Hiroshi Miyamoto, Sho Sato, Yusaku Tanaka, Naotaka Yamaguchi, Jun Kimura, Hidetaka A Ono, Hirochika Makino, Hirotoshi Akiyama, Itaru Endo
PURPOSE: S-1 plus cisplatin therapy is the recommended standard first-line regimen for human epidermal growth factor receptor 2 (HER-2)-negative advanced unresectable or recurrent gastric cancer (AGC) in the Japanese Gastric Cancer Treatment Guidelines. By contrast, capecitabine plus cisplatin (XP) therapy has been second-line therapy for these patients. This prospective study aimed to evaluate the efficacy and safety of XP as a first-line regimen for HER2-negative patients with AGC. METHODS: In this multicenter, open-label, phase II study, patients received cisplatin (80 mg/m(2) i...
September 14, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28910957/-effects-of-cell-cycle-regulatory-genes-on-breast-cancer-neo-adjuvant-chemotherapy-by-m-fish
#9
C Y Li, W Su, S Zhang, Y H Hu, J J Liu, J Zhang
Objective: The dysregulation of cell cycle could influence cell proliferation, differentiation and response to medicine. The purpose of this study is to explore the correlation between cell cycle regulatory genes and breast cancer neo-adjuvant chemotherapy (NAC) in patients with local advanced breast cancer, and thus to find some predictors of NAC to provide guidance for clinical treatment. Methods: Ninety five cases of local advanced breast cancer were collected, which were treated with NAC of TAC (Taxanes/Anthracycline/Cyclophosphamide) regimen...
September 12, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28910357/the-quality-of-invasive-breast-cancer-care-for-low-reimbursement-rate-patients-a-retrospective-study
#10
Shaofei Su, Han Bao, Xinyu Wang, Zhiqiang Wang, Xi Li, Meiqi Zhang, Jiaying Wang, Hao Jiang, Wenji Wang, Siyang Qu, Meina Liu
Though evidence-based treatments have been recommended for breast cancer, underuse of the treatments was still observed. To certain extent, patients' access to care, which can be enhanced by increasing the coverage of health insurance, could account for the current underuse in recommended care. This study aimed to examine the association between different proportions of reimbursement and quality of recommended breast cancer care, as well as length of hospital stay. In this retrospective study, 3669 patients diagnosed with invasive breast cancer between 1 June, 2011 and 30 June, 2013 were recruited...
2017: PloS One
https://www.readbyqxmd.com/read/28903439/lymph-node-status-in-different-molecular-subtype-of-breast-cancer-triple-negative-tumours-are-more-likely-lymph-node-negative
#11
Ning Liu, Zhigang Yang, Xiaozhen Liu, Yun Niu
BACKGROUND AND OBJECTIVES: To investigate the association between different molecular subtype (MST) and the axillary lymph nodal (ALN) status. MATERIALS AND METHODS: A total of 528 female patients with primary breast cancer were collected. Survival estimates were calculated using the Kaplan-Meier method, univariate and multivariate logistic regression models. RESULTS: Triple negative and Luminal A breast cancers were more frequently node-negative (N0) when compared to Luminal B and Her-2 positive cancers (77...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28902298/nursing-infant-with-acquired-toxoplasmosis-in-the-first-months-of-life-a-case-report
#12
Hanstter Hallison Alves Rezende, Heloísa Ribeiro Storchilo, Jaqueline Ataíde Silva Lima, Antônio Roberto Gomes, Taynara Cristina Gomes, Jéssica Yonara de Souza, Mariza Martins Avelino, Waldemar Naves do Amaral, Marina Clare Vinaud, Ana Maria de Castro
Toxoplasmosis is caused by Toxoplasma gondii and the probability of this infection occurring in the first months of life is usually low because its transmission is related to eating habits. A 6-month-old nursing infant was diagnosed with acute toxoplasmosis, which was identified through anti- T. gondii IgA, IgM and low-avidity IgG serologic assays, polymerase chain reaction (PCR) and mouse bioassay test although its mother was seronegative. This serological divergence between mother and child led us to interview the mother regarding epidemiological factors...
August 24, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28893053/denovo-high-grade-salivary-duct-carcinoma-a-case-report-and-review-of-literature
#13
Heena Zainab, Ameena Sultana, Pramod Jahagirdar
Salivary Duct Carcinoma (SDC) is a distinctive and clinically aggressive adenocarcinoma of salivary origin. It arises from the ductal epithelium, predominantly occurring in the major salivary glands, especially the parotid gland. Here, we report a case of an extensive salivary gland pathology involving the right side of face, possibly arising from the parotid gland in a 25-year-old male patient. On routine histopathology, the tumour mass revealed a papillary pattern of neoplastic ductal epithelial cells showing comedo-like-central necrosis...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28887806/erratum-to-lapatinib-access-into-normal-brain-and-brain-metastases-in-patients-with-her-2-overexpressing-breast-cancer
#14
Azeem Saleem, Graham E Searle, Laura M Kenny, Mickael Huiban, Kasia Kozlowski, Adam D Waldman, Laura Woodley, Carlo Palmieri, Charles Lowdell, Tomomi Kaneko, Philip S Murphy, Mike R Lau, Eric O Aboagye, Raoul C Coombes
No abstract text is available yet for this article.
September 8, 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28882180/high-performance-of-targeted-next-generation-sequencing-on-variance-detection-in-clinical-tumor-specimens-in-comparison-with-current-conventional-methods
#15
Dan Su, Dadong Zhang, Kaiyan Chen, Jing Lu, Junzhou Wu, Xinkai Cao, Lisha Ying, Qihuang Jin, Yizhou Ye, Zhenghua Xie, Lei Xiong, Weimin Mao, Fugen Li
BACKGROUND: Next generation sequencing (NGS) is being increasingly applied for assisting cancer molecular diagnosis. However, it is still needed to validate NGS accuracy on detection of DNA alternations based on a large number of clinical samples, especially for DNA rearrangements and copy number variations (CNVs). This study is to set up basic parameters of targeted NGS for clinical diagnosis and to understand advantage of targeted NGS in comparison with the conventional methods of molecular diagnosis...
September 7, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28876586/is-ki67-predictive-of-tumour-response-to-neoadjuvant-chemotherapy-and-to-long-term-disease-outcome-in-breast-cancer-patients-at-dr-george-mukhari-academic-hospital-a-preliminary-report
#16
D Mokone, B Ratlabala, M Z Koto, J H R Becker, M Bida
BACKGROUND: The difference in tumour response to neoadjuvant chemotherapy has been attributed to difference in tumour biology. Ki67, a proliferative protein, is one of the molecular markers that are used to predict tumour response to chemotherapy. A high Ki67 index and or a decrease in Ki67 index after a short-term of NAC is said to predict clinical and pathological response and thus disease free survival but not over-all survival. METHOD: A prospective study. Core needle biopsy is repeated after 2 cycles of NAC (8 weeks) in Stage IIb and Stage III breast cancer patients and is compared to base-line biopsy...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28871659/overexpression-of-her-2-via-immunohistochemistry-in-canine-urinary-bladder-transitional-cell-carcinoma-a-marker-of-malignancy-and-possible-therapeutic-target
#17
F Millanta, J Impellizeri, L McSherry, G Rocchigiani, L Aurisicchio, G Lubas
Transitional cell carcinoma (TCC) is the most commonly diagnosed neoplasm in the urinary bladder. Distant metastases to the regional lymph nodes, lungs, abdominal organs or bones are noted in up to 50% of dogs at time of death. Surgical excision is often not practical as TCC typically involve the trigone of the bladder and/or occurs multifocally throughout the bladder with field cancerization. Therapeutic approaches are very challenging and the requirement to evaluate alternative therapeutic protocols that may prolong survival times in dogs bearing these tumours is compelling...
September 4, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28859615/identification-of-predictive-markers-of-the-therapeutic-effect-of-eribulin-chemotherapy-for-locally-advanced-or-metastatic-breast-cancer
#18
Shinichiro Kashiwagi, Wakaba Fukushima, Yuka Asano, Wataru Goto, Koji Takada, Satoru Noda, Tsutomu Takashima, Naoyoshi Onoda, Masahiko Ohsawa, Kosei Hirakawa, Masaichi Ohira
BACKGROUND: The recently developed reagent, eribulin mesylate (eribulin), is a microtubule dynamics inhibitor with a mechanism of action that differs from those of taxanes and vinca alkaloids. This drug is considered to be a promising chemotherapeutic agent for the treatment of locally advanced or metastatic breast cancer (MBC). In this study, we investigated if variables such as tumor expression of β-tubulin class III, glutathione S-transferase pi (GSTP) 1 or transducin-like enhancer of split (TLE) 3 might act as predictive factors on the therapeutic effect of eribulin chemotherapy...
August 31, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28859471/phase-1-studies-of-poziotinib-an-irreversible-pan-her-tyrosine-kinase-inhibitor-in-patients-with-advanced-solid-tumors
#19
Tae Min Kim, Keun-Wook Lee, Do-Youn Oh, Jong-Seok Lee, Seock-Ah Im, Dong-Wan Kim, Sae-Won Han, Yu Jung Kim, Tae-You Kim, Jee Hyun Kim, Hyesun Han, Woo Ho Kim, Yung-Jue Bang
Purpose: Poziotinib, a pan-HER tyrosine kinase inhibitor (TKI), has shown potent activity against wild type of epidermal growth factor receptor (EGFR) family kinases including EGFR, HER-2 and HER-4 and EGFR-mutant cells in vitro. Two phase I studies were conducted to determine the maximum tolerated dose (MTD), pharmacokinetics, safety and antitumor activity against advanced solid tumors. Materials and Methods: Standard 3+3 dose escalation scheme using two different dosing schedules were studied: once daily, 14-day on and 7-day off (intermittent schedule); and once daily continuous dosing with food effect...
August 29, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28854595/dormancy-and-activation-of-human-oocytes-from-primordial-and-primary-follicles-molecular-clues-to-oocyte-regulation
#20
E H Ernst, M L Grøndahl, S Grund, K Hardy, A Heuck, L Sunde, S Franks, C Y Andersen, P Villesen, K Lykke-Hartmann
STUDY QUESTION: Do specific transcriptome dynamics in human oocytes from primordial and primary follicles identify novel pathways in oocyte activation? SUMMARY ANSWER: The transcriptomic profiles in oocytes from primordial and primary follicles, respectively, revealed several new canonical pathways as putative mediators of oocyte dormancy and activation. WHAT IS KNOWN ALREADY: Cellular signaling pathways including PI3K/AKT and AKT/mTOR as well as TGF-β and IGF signaling are known to regulate the primordial-to-primary transition in mammalian follicle development...
August 1, 2017: Human Reproduction
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