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https://www.readbyqxmd.com/read/28092843/therapeutic-effects-of-bach1-sirna-on-human-breast-adenocarcinoma-cell-line
#1
Mansoor Aletaha, Behzad Mansoori, Ali Mohammadi, Mehdi Fazeli, Behzad Baradaran
BACKGROUND: Despite the great improvements in clinical and therapeutic techniques in recent years, many advanced breast cancer patients still died of the postoperative recurrence and metastasis of disease. Bach1 plays a role in the development of the invasive phenotypes of cancer, cell division and apoptosis in tumor cells. The aim of this study was to investigate the effect of specific bach1 siRNAs, on the proliferation, migration, invasive, induction of apoptosis, cell cycle arrest and alter EMT related miRNA of MDA-MB-468 cells (breast cancer)...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28092723/pertuzumab-and-breast-cancer-another-piece-in-the-anti-her2-puzzle
#2
Dr Lorenzo Gerratana, Dr Marta Bonotto, Dr Claudia Bozza, Dr Elena Ongaro, Dr Valentina Fanotto, Dr Giacomo Pelizzari, Prof Fabio Puglisi
The mechanism of action of pertuzumab, a recombinant anti-HER2 humanized monoclonal antibody, is complementary to trastuzumab's. On June 8, 2012, the Food and Drug Administration approved the combination of pertuzumab with trastuzumab and docetaxel as first-line treatment of HER2-positive metastatic breast cancer. Furthermore, pertuzumab is the first drug to be approved in the neoadjuvant setting using a pathological complete response as an endpoint. Areas covered: The review provides insights into the main mechanisms of action of pertuzumab...
January 16, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28092672/bpgap1-spatially-integrates-jnk-erk-signaling-crosstalk-in-oncogenesis
#3
T Jiang, C Q Pan, B C Low
Simultaneous hyperactivation of stress-activated protein kinase/c-Jun N-terminal protein kinase (SAPK/JNK) and mitogen-activated protein kinase kinase/extracellular signal-regulated kinase (MEK/ERK) signaling cascades has been reported in carcinogenesis. However, how they are integrated to promote oncogenesis remains unknown. By analyzing breast invasive carcinoma database (The Cancer Genome Altas), we found that the mRNA expression levels of both JNK1 and ERK2 are positively correlated with the mRNA level of EEA1, an endosome associated protein, indicating the potential JNK/ERK crosstalk at endosome...
January 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28092569/discovery-of-micrornas-and-transcription-factors-co-regulatory-modules-by-integrating-multiple-types-of-genomic-data
#4
Jiawei Luo, Gen Xiang, Chu Pan
It is well known that regulators known as microRNA (miRNA) and transcription factor (TF) have been found to play an important role in gene regulation. However, there are few researches of collaborative regulatory (co-regulatory) mechanism between miRNA and TF on system level (function level). Meanwhile, recent advances in high-throughput genomic technologies have enabled researchers to collect diverse large-scale genomic data, which can be used to study the co-regulatory mechanism between miRNA and TF. In this paper, we propose a novel method called SNCoNMF (Sparse Network regularized non-negative matrix factorization for Co-regulatory modules identification) which adopts multiple non-negative matrix factorization framework to identify co-regulatory modules including miRNAs, TFs and genes...
January 9, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28092529/sub-category-classifiers-for-multiple-instance-learning-and-its-application-to-retinal-nerve-fiber-layer-visibility-classification
#5
Siyamalan Manivannan, Caroline Cobb, Stephen Burgess, Emanuele Trucco
We propose a novel multiple instance learning method to assess the visibility (visible/not visible) of the retinal nerve fiber layer (RNFL) in fundus camera images. Using only image-level labels, our approach learns to classify the images as well as to localize the RNFL visible regions. We transform the original feature space to a discriminative subspace, and learn a region-level classifier in that subspace. We propose a margin-based loss function to jointly learn this subspace and the region-level classifier...
January 16, 2017: IEEE Transactions on Medical Imaging
https://www.readbyqxmd.com/read/28092355/highly-favorable-outcome-in-brca-mutated-metastatic-breast-cancer-patients-receiving-high-dose-chemotherapy-and-autologous-hematopoietic-stem-cell-transplantation
#6
L Boudin, A Gonçalves, R Sabatier, J Moretta, P Sfumato, P Asseeva, D Livon, F Bertucci, J-M Extra, C Tarpin, G Houvenaeghel, E Lambaudie, A Tallet, M Resbeut, H Sobol, E Charafe-Jauffret, B Calmels, C Lemarie, J-M Boher, P Viens, F Eisinger, C Chabannon
No abstract text is available yet for this article.
January 16, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28092334/is-enhanced-recovery-the-new-standard-of-care-in-microsurgical-breast-reconstruction
#7
Anoushka Afonso, Sabine Oskar, Kay See Tan, Joseph J Disa, Babak J Mehrara, Jihan Ceyhan, Joseph H Dayan
BACKGROUND: Enhanced recovery pathways (ERPs) have been shown to aid in patient recovery and improve outcomes in many surgical settings. At present, there is limited data available regarding the use and feasibility of ERPs for patients undergoing microsurgical breast reconstruction. We sought to assess patient outcomes before and after the introduction of an ERP that was adopted by multiple surgeons at a single cancer center. METHODS: A multidisciplinary ERP was developed for patients undergoing deep inferior epigastric perforator (DIEP) or muscle-sparing free transverse rectus abdominis myocutaneous (TRAM) flap breast reconstruction...
January 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28092099/calmodulin-binding-to-death-receptor-5-mediated-death-inducing-signaling-complex-in-breast-cancer-cells
#8
Romone M Fancy, Harrison Kim, Tong Zhou, Kurt R Zinn, Donald J Buchsbaum, Yuhua Song
Activation of death receptor-5 (DR5) leads to the formation of death inducing signaling complex (DISC) for apoptotic signaling. TRA-8, a DR5 specific agonistic antibody, has demonstrated significant cytotoxic activity in vitro and in vivo without inducing hepatotoxicity. Calmodulin (CaM) that is overexpressed in breast cancer plays a critical role in regulating DR5-mediated apoptosis. However, the mechanism of CaM in regulating DR5-mediated apoptotic signaling remains unknown. In this study, we characterized CaM binding to DR5-mediated DISC for apoptosis in TRA-8 sensitive breast cancer cell lines using co-immunoprecipitation, fluorescence microscopic imaging, caspase signaling analysis and cell viability assay...
January 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28091980/comparison-of-tc-99m-maraciclatide-and-tc-99m-sestamibi-molecular-breast-imaging-in-patients-with-suspected-breast-cancer
#9
Michael K O'Connor, Melissa M B Morrow, Katie N Hunt, Judy C Boughey, Dietlind L Wahner-Roedler, Amy Lynn Conners, Deborah J Rhodes, Carrie B Hruska
BACKGROUND: Molecular breast imaging (MBI) performed with (99m)Tc sestamibi has been shown to be a valuable technique for the detection of breast cancer. Alternative radiotracers such as (99m)Tc maraciclatide may offer improved uptake in breast lesions. The purpose of this study was to compare relative performance of (99m)Tc sestamibi and (99m)Tc maraciclatide in patients with suspected breast cancer, using a high-resolution dedicated gamma camera for MBI. Women with breast lesions suspicious for malignancy were recruited to undergo two MBI examinations-one with (99m)Tc sestamibi and one with (99m)Tc maraciclatide...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28091962/knowledge-attitude-and-practice-on-breast-cancer-among-health-professionals-in-douala-references-hospitals-cameroon
#10
Charlotte Tchente Nguefack, Calvin N'djeudjui, Jean Paul Ndamba Engbang, Théophile Njamen Nana, Gregory Halle Ekane, Pierre-Marie Tebeu
In Cameroon, patients with breast cancer are more often diagnosed at stage III and IV, hence the need of preventives actions. Knowledge and attitude of medical personnel may influence their practice with regards to screening and early detection of breast cancer. Very few is known about this subject in Cameroon. The objective was to describe the knowledge, attitude, and practice of health care professionals on breast cancer risk factors, diagnostic methods, and screening. This was a cross-sectional study conducted during a 6-month period, among health professionals of Douala General Hospital and Laquintinie Hospital, Cameroon...
January 13, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28091921/levels-of-mirna-and-hormones-in-thoracic-duct-lymph-in-rats-with-experimental-breast-cancer-induced-by-n-methyl-n-nitrosourea
#11
A P Lykov, A V Kabakov, O V Kazakov, N A Bondarenko, O V Poveshchenko, T V Raiter, A F Poveshchenko, D N Strunkin, V I Konenkov
We studied hormone levels in the thoracic duct lymph and expression of miRNA involved in the pathogenesis of breast cancer induced in rats by intramammary injection of N-methyl-Nnitrosourea. The correlations between miRNA expression and hormone levels depended on the type of treatment.
January 14, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28091886/levels-of-persistent-organic-pollutants-in-breast-milk-of-maya-women-in-yucatan-mexico
#12
Ángel G Polanco Rodríguez, M Inmaculada Riba López, T Angel DelValls Casillas, Jesús Alfredo Araujo León, B Anjan Kumar Prusty, Fernando J Álvarez Cervera
In this study, 24 breast milk samples, obtained from rural Maya women, from municipalities of Yucatan, Mexico, were analyzed for organochlorine pesticide (OCP) residues by gas chromatography. Recent studies have shown that Maya communities have a poor perception about the proper usage and handling of OCP. The karstic soil in this area has a high vulnerability to groundwater pollution by the use of OCP in agriculture and livestock activities. The impact of the ecosystem on human health is much more critical due to the prevailing poverty and a very low educational level of these communities...
February 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28091804/baseline-results-from-the-uk-signify-study-a-whole-body-mri-screening-study-in-tp53-mutation-carriers-and-matched-controls
#13
Sibel Saya, Emma Killick, Sarah Thomas, Natalie Taylor, Elizabeth K Bancroft, Jeanette Rothwell, Sarah Benafif, Alexander Dias, Christos Mikropoulos, Jenny Pope, Anthony Chamberlain, Ranga Gunapala, Louise Izatt, Lucy Side, Lisa Walker, Susan Tomkins, Jackie Cook, Julian Barwell, Vicki Wiles, Lauren Limb, Diana Eccles, Martin O Leach, Susan Shanley, Fiona J Gilbert, Helen Hanson, David Gallagher, Bala Rajashanker, Richard W Whitehouse, Dow-Mu Koh, S Aslam Sohaib, D Gareth Evans, Rosalind A Eeles
In the United Kingdom, current screening guidelines for TP53 germline mutation carriers solely recommends annual breast MRI, despite the wide spectrum of malignancies typically seen in this group. This study sought to investigate the role of one-off non-contrast whole-body MRI (WB MRI) in the screening of asymptomatic TP53 mutation carriers. 44 TP53 mutation carriers and 44 population controls were recruited. Scans were read by radiologists blinded to participant carrier status. The incidence of malignancies diagnosed in TP53 mutation carriers against general population controls was calculated...
January 16, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28090704/effectiveness-of-telephone-based-interventions-on-health-related-quality-of-life-and-prognostic-outcomes-in-breast-cancer-patients-and-survivors-a-meta-analysis
#14
REVIEW
Q Zhang, L Zhang, R Yin, T Fu, H Chen, B Shen
The aim of this meta-analysis was to evaluate the effect of telephone-based interventions on prognostic outcomes and health-related quality of life (HRQoL) in breast cancer patients and survivors. A systematic search of the Cochrane Library, Web of science, Medline, EMBASE, CNKI and CBM database was carried out. Randomised, controlled trials (RCTs) examining the effects of telephone-based intervention versus a control group receiving no telephone intervention, on prognostic outcomes and HRQoL with breast cancer were included...
January 16, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28090694/graphene-oxide-wrapped-sio2-tio2-hollow-nanoparticles-loaded-with-photosensitizer-for-photothermal-and-photodynamic-combination-therapy
#15
Yoonsun Jang, Sojin Kim, Seungae Lee, Chang-Min Yoon, Inkyu Lee, Jyongsik Jang
Graphene oxide (GO) enwrapped SiO2/TiO2 hollow nanoparticles (GO-HNP) are synthesized by stöbber method and used as a nanocarrier for loading protoporphyrin IX (PpIX). The synthesized nanoparticle has high dispersibitliy and high uniformity in diameter (ca. 50 nm). . Furthermore, this nanoparticle shows 808 nm laser induced PpIX release property (photo-induced "on-off" drug release system). The GO-HNP-PpIX is employed for inducing both photothermal therapy (PTT) and photodynamic therapy (PDT). The synergic effect of the PTT and PDT exhibits powerful anti-cancer property...
January 16, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28090623/palb2-positive-breast-cancer-in-a-40-year-old-man
#16
Pritish Iyer, Jagar Jasem, Michelle A Springer Cgc, Catherine E Klein, Peter Kabos
No abstract text is available yet for this article.
January 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28090588/quantitative-magnetization-transfer-imaging-of-the-breast-at-3-0-t-reproducibility-in-healthy-volunteers
#17
Lori R Arlinghaus, Richard D Dortch, Jennifer G Whisenant, Hakmook Kang, Richard G Abramson, Thomas E Yankeelov
Quantitative magnetization transfer magnetic resonance imaging provides a means for indirectly detecting changes in the macromolecular content of tissue noninvasively. A potential application is the diagnosis and assessment of treatment response in breast cancer; however, before quantitative magnetization transfer imaging can be reliably used in such settings, the technique's reproducibility in healthy breast tissue must be established. Thus, this study aims to establish the reproducibility of the measurement of the macromolecular-to-free water proton pool size ratio (PSR) in healthy fibroglandular (FG) breast tissue...
December 2016: Tomography: a Journal for Imaging Research
https://www.readbyqxmd.com/read/28090530/ck1%C3%AE-an-exploitable-vulnerability-in-breast-cancer
#18
COMMENT
Laura H Rosenberg, John L Cleveland, William R Roush, Derek R Duckett
No abstract text is available yet for this article.
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28090417/pattern-of-local-recurrence-and-distant-metastasis-in-breast-cancer-by-molecular-subtype
#19
Xingrao Wu, Ayesha Baig, Goulnar Kasymjanova, Kamran Kafi, Christina Holcroft, Hind Mekouar, Annie Carbonneau, Boris Bahoric, Khalil Sultanem, Thierry Muanza
BACKGROUND AND PURPOSE:  No longer considered a single disease entity, breast cancer is being classified into several distinct molecular subtypes based on gene expression profiling. These subtypes appear to carry prognostic implications and have the potential to be incorporated into treatment decisions. In this study, we evaluated patterns of local recurrence (LR), distant metastasis (DM), and association of survival with molecular subtype in breast cancer patients in the post-adjuvant radiotherapy setting...
December 9, 2016: Curēus
https://www.readbyqxmd.com/read/28090007/ductal-carcinoma-in-situ-detected-during-prospective-mr-imaging-screening-of-a-woman-with-a-brca2-mutation-the-first-case-report-in-japan
#20
Mitsuhiro Tozaki, Seigo Nakamura, Dai Kitagawa, Takuji Iwase, Rie Horii, Futoshi Akiyama, Masami Arai
The present case is the first report in Japan in which a breast cancer was discovered as a result of prospective magnetic resonance imaging (MRI) screening study for BRCA1/2 mutation carriers who were free of breast or ovarian cancer. This case is significant and it verifies the importance of MRI screening in breast or ovarian cancer-free BRCA1/2 mutation carriers who do not exhibit positive mammographic or ultrasonographic findings.
January 13, 2017: Magnetic Resonance in Medical Sciences: MRMS
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