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https://www.readbyqxmd.com/read/29244827/neuroligin-4x-overexpression-in-human-breast-cancer-is-associated-with-poor-relapse-free-survival
#1
Henry J Henderson, Balasubramanyam Karanam, Rajeev Samant, Komal Vig, Shree R Singh, Clayton Yates, Deepa Bedi
The molecular mechanisms involved in breast cancer progression and metastasis still remain unclear to date. It is a heterogeneous disease featuring several different phenotypes with consistently different biological characteristics. Neuroligins are neural cell adhesion molecules that have been implicated in heterotopic cell adhesion. In humans, alterations in neuroligin genes are implicated in autism and other cognitive diseases. Until recently, neuroligins have been shown to be abundantly expressed in blood vessels and also play a role implicated in the growth of glioma cells...
2017: PloS One
https://www.readbyqxmd.com/read/29244059/the-mediterranean-diet-metabolic-and-molecular-mechanisms
#2
Valeria Tosti, Beatrice Bertozzi, Luigi Fontana
Consuming a Mediterranean diet rich in minimally processed plant foods has been associated with a reduced risk of developing multiple chronic diseases and increased life expectancy. Data from several randomized clinic trials have demonstrated a beneficial effect in the primary and secondary prevention of cardiovascular disease, type 2 diabetes, atrial fibrillation and breast cancer. The exact mechanism by which an increased adherence to the traditional Mediterranean diet exerts its favorable effects is not known...
December 13, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/29243782/evaluation-of-clinical-significance-of-endoglin-expression-during-breast-cancer-and-its-correlation-with-er-and-pcna
#3
J-L Guo, S-Q Gu, Y Li, X-Y Zhang
OBJECTIVE: The present study is aimed to investigate the expression of Endoglin during breast cancer. Moreover, its clinical pathological significance, as well as correlation with estrogen receptor (ER) and proliferating cell nuclear antigen (PCNA), were also studied. PATIENTS AND METHODS: qRT-PCR and Western blot assays were utilized to study PCNA mRNA, ER, Endoglin and protein expression. Immunohistochemistry analysis was conducted to determine the expression of Endoglin, ER, and PCNA protein in breast cancer tissue and adjacent cancer tissue...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29243084/quantification-of-breast-cancer-protein-biomarkers-at-different-expression-levels-in-human-tumors
#4
Yi Chen, David Britton, Elizabeth R Wood, Stephen Brantley, Michelle Fournier, Marek Wloch, Vonetta L Williams, Joseph Johnson, Anthony Magliocco, Ian Pike, John M Koomen
Liquid chromatography-selected reaction monitoring (LC-SRM) mass spectrometry has developed into a versatile tool for quantification of proteins with a wide range of applications in basic science, translational research, and clinical patient assessment. This strategy uniquely complements traditional pathology approaches, like hematoxylin and eosin (H&E) staining and immunohistochemistry (IHC). The multiplexing capabilities offered by mass spectrometry are currently unmatched by other techniques. However, quantification of biomarkers in tissue specimens without the other data obtained from H&E-stained slides or IHC, including tumor cellularity or percentage of positively stained cells inter alia, may not provide as much information that is needed to fully understand tumor biology or properly assess the patient...
December 15, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29242735/microcalcified-hepatic-metastases-incidentally-detected-on-f-18-naf-pet-ct-in-a-patient-with-prostate-cancer
#5
Gul Ege Aktas, Ali Sarıkaya, Nuray Can, Selin Soyluoglu Demir
F-18 NaF PET/CT evaluation has gained importance in recent years. Achievements from F-18 NaF PET/CT are: higher sensitivity of positron imaging, higher target background ratio with higher tracer accumulation in bone hydroxyapatite and higher specificity through CT correlation. These properties have also given directions to new research fields based on imaging microcalcifications, very recently. A limited number of cases have reported the F-18 NaF uptake in macrocalcified soft tissue metastases. Although the presence of microcalcification was not proved; accumulation of F-18 NaF in the metastatic brain lesion with no visible calcification on the CT, in a patient with ductal breast carcinoma has also been reported...
December 2017: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29241704/development-and-characterization-of-an-anthropomorphic-breast-phantom-for-permanent-breast-seed-implant-brachytherapy-credentialing
#6
Michael Roumeliotis, Sarah Quirk, Matthew Skarsgard, Tiana Trumpour, Elizabeth Watt, Tyler Meyer
PURPOSE: To develop an anthropomorphic breast phantom for use in credentialing of permanent breast seed implant brachytherapy. METHODS AND MATERIALS: A representative external contour and target volume was used as the basis of mold manufacturing for anthropomorphic breast phantom development. Both target and normal tissue were composed of gel-like materials that provide suitable computed tomography and ultrasound contrast for brachytherapy delivery. The phantoms were evaluated for consistency in construction (target location) and Hounsfield unit (computed tomography contrast)...
December 11, 2017: Brachytherapy
https://www.readbyqxmd.com/read/29241203/genome-wide-transcriptome-analysis-of-estrogen-receptor-positive-and-human-epithelial-growth-factor-receptor-2-positive-breast-cancers-by-ribonucleic-acid-sequencing
#7
Pengtao Chen, Wei Song, Liangli Liu
AIM: The aim is to identify complex pathogenesis of breast cancer subtypes and disclose the whole landscape of altered transcriptional activities in these cancers. METHODS: We downloaded raw expression data from public database, and performed transcriptome analysis of 8 estrogen receptor-positive (ER+) breast cancer tissue samples, 8 human epithelial growth factor receptor 2-positive (HER2+) breast cancer tissue samples, and 3 normal breast tissues by identification, functional annotation, and prediction of upstream regulators and cell-surface biomarkers of differentially expressed genes (DEGs)...
December 14, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/29240640/indocyanine-green-angiography-use-in-breast-reconstruction-a-national-analysis-of-outcomes-and-cost-in-110-320-patients
#8
Anmol Chattha, Alexandra Bucknor, Austin D Chen, Bernard T Lee, Samuel J Lin
BACKGROUND: Indocyanine Green (ICG) angiography has gained popularity in breast reconstruction due to its ability to assess the viability of both mastectomy skin and tissue flaps. We aim to analyze trends and outcomes associated with the use of ICG angiography in breast reconstruction. METHODS: Using 2012-2014 data from the Healthcare Cost and Utilization Project National Inpatient Sample, Agency for Healthcare Research and Quality, we identified breast reconstructions that were performed with or without the use of ICG angiography...
December 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29240639/absorbable-antibiotic-beads-prophylaxis-in-immediate-breast-reconstruction
#9
Denise M Kenna, Busayo Irojah, Kimber Lee Mudge, Kendra Eveler
BACKGROUND: Breast reconstruction with tissue expander is the most common mode of reconstruction following mastectomy. Infection necessitating tissue expander removal is a significant complication leading to patient distress as well as increased health care costs. METHODS: Over 3 years, 127 breast reconstructions with tissue expanders were performed by a single surgeon. Fifty-nine of these reconstructions were performed using a standardized protocol in which patients washed with chlorhexidine several days prior to surgery and received intravenous antibiotics preoperatively...
December 13, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29240242/the-9p21-locus-a-potential-therapeutic-target-and-prognostic-marker-in-breast-cancer
#10
REVIEW
Mahdi Rivand, Mohammad-Sadegh Khorrami, Hamid Fiuji, Soodabeh Shahidsales, Malihe Hasanzadeh, Mir Hadi Jazayeri, Seyed Mahdi Hassanian, Gordon A Ferns, Nafiseh Saghafi, Amir Avan
Breast cancer is an important cause of cancer related mortality in women. Despite extensive efforts to identify valid biomarkers for risk stratification, there are relatively few with proven clinical utility. It is recognized that genetic factors play a major role in determining susceptibility to breast cancer. Recent genome-wide-association-studies and gene expression analysis have demonstrated that a locus on chromosome 9p21, which contains three genes; CDKN2B (encoding p15ink4b), CDKN2A (encoding p16ink4a and p14ARF) and the 3' end of CDKN2BAS [an antisense noncoding RNA in the INK4 locus (ANRIL)] are associated with an increased risk of this malignancy...
December 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29239858/prediction-of-breast-cancer-risk-using-a-machine-learning-approach-embedded-with-a-locality-preserving-projection-algorithm
#11
Morteza Heidari, Abolfazl Zargari Khuzani, Alan B Hollingsworth, Gopichandh Danala, Seyedehnafiseh Mirniaharikandehei, Yuchen Qiu, Hong Liu, Bin Zheng
In order to automatically identify a set of effective mammographic image features and build an optimal breast cancer risk stratification model, this study aims to investigate advantages of applying a machine learning approach embedded with a locally preserving projection (LPP) based feature combination and regeneration algorithm to predict short-term breast cancer risk. A dataset involving negative mammograms acquired from 500 women was assembled. This dataset was divided into two age-matched classes of 250 high risk cases in which cancer was detected in the next subsequent mammography screening and 250 low risk cases, which remained negative...
December 14, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29238203/expression-patterns-of-microrna-329-and-its-clinical-performance-in-diagnosis-and-prognosis-of-breast-cancer
#12
Pihong Li, Jianda Dong, Xiang Zhou, Weijian Sun, He Huang, Tong Chen, Bing Ye, Zhiqiang Zheng, Mingdong Lu
This study was aimed to assess the expression and clinical performance of microRNA-329 (miR-329) in breast cancer. We recruited 134 breast cancer patients and 70 healthy volunteers for this study. MiR-329 expression was estimated by quantitative real-time polymerase chain reaction. A receiver operating characteristic assay was performed to evaluate the diagnostic value of serum miR-329. In addition, the prognostic significance of miR-329 was evaluated through Kaplan-Meier survival and Cox regression analyses...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29238040/il-3r-alpha-blockade-inhibits-tumor-endothelial-cell-derived-extracellular-vesicle-ev-mediated-vessel-formation-by-targeting-the-%C3%AE-catenin-pathway
#13
Giusy Lombardo, Maddalena Gili, Cristina Grange, Claudia Cavallari, Patrizia Dentelli, Gabriele Togliatto, Daniela Taverna, Giovanni Camussi, Maria Felice Brizzi
The proangiogenic cytokine Interleukin-3 (IL-3) is released by inflammatory cells in breast and ovarian cancer tissue microenvironments and also acts as an autocrine factor for human breast and kidney tumor-derived endothelial cells (TECs). We have previously shown that IL-3-treated endothelial cells (ECs) release extracellular vesicles (EVs), which serve as a paracrine mechanism for neighboring ECs, by transferring active molecules. The impact of an anti-IL-3R-alpha blocking antibody on the proangiogenic effect of EVs released from TECs (anti-IL-3R-EVs) has therefore been investigated in this study...
December 14, 2017: Oncogene
https://www.readbyqxmd.com/read/29237962/evaluation-of-the-effect-of-soft-tissue-composition-on-the-characteristics-of-spread-out-bragg-peak-in-proton-therapy
#14
Mahdi Ghorbani, Sayyed Bijan Jia, Mohsen Khosroabadi, Hamid Reza Sadoughi, Courtney Knaup
AIM: The aim of this study is to evaluate the effect of soft tissue composition on dose distribution and spread-out Bragg peak (SOBP) characteristics in proton therapy. SUBJECTS AND METHODS: Proton beams with nominal energies of 70, 120 and 210 MeV were considered. The soft tissues and tissue equivalent materials implemented in this study are: 9-component soft tissue, 4-component soft tissue, adipose tissue, muscle (skeletal), lung tissue, breast tissue, A-150 tissue equivalent plastic, perspex and water...
October 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29237953/quantitative-determination-of-tumor-platinum-concentration-of-patients-with-advanced-breast-lung-prostate-or-colorectal-cancers-undergone-platinum-based-chemotherapy
#15
Hesameddin Mostaghimi, Ali Reza Mehdizadeh, Mohammad Jahanbakhsh, Amir Reza Dehghanian, Ramin Askari
CONTEXT: Previous studies have reported direct relationship between tumor reduction and its platinum concentration following platinum-based (Pt-based) chemotherapy. However, quantitative data of tumor platinum concentration have not yet been reported for the most common cancers. AIMS: Determination of tumor platinum concentration of breast, lung, prostate, and colorectal cancers after Pt-based chemotherapy; and evaluation of the influence of chemo drug type, chemotherapy regimen, and time lapse from last chemotherapy on tumor platinum concentration...
October 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29237913/the-clinical-significance-of-secreted-protein-acidic-and-rich-in-cysteine-expression-in-breast-cancer-tissue-and-its-association-with-prognosis
#16
Wei Guo, Mingliang Zhang, Yong Chen, Suyang Guo
OBJECTIVE: The aim of this study was to evaluate the secreted protein acidic and rich in cysteine (SPARC) expression in breast cancer tissue and its association with patients' clinical pathology characteristics and prognosis. MATERIALS AND METHODS: Eight-eight cases with confirmed diagnosis of breast cancer who received operation from January 2010 to February 2016 were included in this study. The SPARC expression in cancer tissue was examined by immunohistochemical method...
2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29237527/-a-rhabdomyosarcoma-patient-from-a-li-fraumeni-syndrome-family-a-case-report-and-literature-review
#17
Yao Xie, Wei-Hong Zhao, Ying Hua, Qing Sun, Peng-Hui Wu
Li-Fraumeni syndrome (LFS) is a hereditary cancer predisposition syndrome, with the characteristics of early onset of cancer and high cancer incidence. TP53 is widely accepted as a pathogenic gene of LFS. A 2 years and 6 months old boy is reported in this article, who was diagnosed with embryonal rhabdomyosarcoma (RMS) in the left submandibular region. His brother died of RMS, and his grandmother was diagnosed with breast cancer. TP53 gene mutation detection was performed in this patient and some family members, indicating a missense mutation in exon 8 of the patient: c...
December 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29237054/estimation-of-female-radiation-doses-and-breast-cancer-risk-from-chest-ct-examinations
#18
Adnan Lahham, Hussein ALMasri, Saleh Kameel
Breast organ doses, effective doses and lifetime attributable risk (LAR) of breast cancer from chest CT scans are presented for 200 female patients surveyed from 10 hospitals in the West Bank and Gaza Strip, Palestine. Patient data were collected and organized in a database from May to November 2016. Data include age (15-80 years), weight, height, and calculated body mass index. Exposure data were also recorded for every examination. Exposure data includes milliampere-second (mAs), X-ray tube kilovoltage (kVp), computed tomography dose index, dose length product, manufacturer, name and type of operated CT scanner...
December 11, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29236940/polyclonal-rb1-mutations-and-acquired-resistance-to-cdk-4-6-inhibitors-in-patients-with-metastatic-breast-cancer
#19
R Condorelli, L Spring, J O'Shaughnessy, L Lacroix, C Bailleux, V Scott, J Dubois, R J Nagy, R B Lanman, A J Iafrate, F Andre, A Bardia
Background: While deregulation of the cyclin D1-CDK4/6-retinoblastoma pathway is common in hormone receptor positive (HR+) breast cancer, Rb is usually intact in HR+ breast cancer, and targeted CDK 4/6 inhibitors that act upstream of Rb, are routinely being utilized in clinical practice. However, factors that can lead to clinical resistance to CDK 4/6 inhibitors are not known. Patients and methods: We identified patients who had pre and post genotyping in tissue and peripheral blood samples after receiving CDK 4/6 inhibitors...
December 11, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29236319/effects-of-long-non-coding-rna-host2-on-cell-migration-and-invasion-by-regulating-microrna-let-7b-in-breast-cancer
#20
Peng-Wei Lu, Lin Li, Fang Wang, Yuan-Ting Gu
The study intends to investigate the effects of long non-coding RNA HOST2 (lncRNA HOST2) on cell migration and invasion by regulating microRNA let-7b (let-7b) in breast cancer. Breast cancer and adjacent normal tissues were collected from 98 patients with breast cancer. Breast cancer MCF-7 cells were divided into the blank, negative control (NC), pcDNA3-Mock, siHOST2, let-7b inhibitor, pcDNA3-HOST2, let-7b mimic, pcDNA3-HOST2 + let-7b mimic and siHOST2 + let-7b inhibitor groups. RT-qPCR was used to detect the mRNA expressions of HOST2, let-7b and c-Myc...
December 13, 2017: Journal of Cellular Biochemistry
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