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https://www.readbyqxmd.com/read/29775573/indole-3-carbinol-i3c-enhances-the-sensitivity-of-murine-breast-adenocarcinoma-cells-to-doxorubicin-dox-through-inhibition-of-nf-%C3%AE%C2%BA%C3%AE-blocking-angiogenesis-and-regulation-of-mitochondrial-apoptotic-pathway
#1
Subhadip Hajra, Arup Ranjan Patra, Abhishek Basu, Prosenjit Saha, Sudin Bhattacharya
Various epidemiological and preclinical studies have already established the cancer chemopreventive potential of naturally occurring glucosinolate breakdown product Indole-3-Carbinol (I3C) as well as its abilities to induce selective cell death towards malignant cell. Therefore, the objective of the present study is to improve the therapeutic efficacy and prevention of doxorubicin (DOX)-induced toxicity, by the concurrent use of Indole-3-Carbinol (I3C). In this study, I3C was administered (20 mg/kg b.w., p...
May 15, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29764880/digital-breast-tomosynthesis-plus-synthesised-images-versus-standard-full-field-digital-mammography-in-population-based-screening-tosyma-protocol-of-a-randomised-controlled-trial
#2
Stefanie Weigel, Joachim Gerss, Hans-Werner Hense, Miriam Krischke, Alexander Sommer, Jörg Czwoydzinski, Horst Lenzen, Laura Kerschke, Karin Spieker, Stefanie Dickmaenken, Sonja Baier, Marc Urban, Gerold Hecht, Oliver Heidinger, Joachim Kieschke, Walter Heindel
INTRODUCTION: Development of digital breast tomosynthesis (DBT) provides a technology that generates three-dimensional data sets, thus reducing the pitfalls of overlapping breast tissue. Observational studies suggest that the combination of two-dimensional (2D) digital mammography and DBT increases diagnostic accuracy. However, because of duplicate exposure, this comes at the cost of an augmented radiation dose. This undesired adverse impact can be avoided by using synthesised 2D images reconstructed from the DBT data (s2D)...
May 14, 2018: BMJ Open
https://www.readbyqxmd.com/read/29762436/preoperative-analysis-of-venous-anatomy-before-deep-inferior-epigastric-perforator-free-flap-breast-reconstruction-using-ferumoxytol-enhanced-magnetic-resonance-angiography
#3
John Dortch, Antonio J Forte, Candice Bolan, Pujan Kandel, Galen Perdikis
BACKGROUND: Venous congestion after deep inferior epigastric artery perforator (DIEP) flap breast reconstruction is a complication that may be partially attributable to variations in venous abdominal wall anatomy. In previous work, we have shown that ferumoxytol may be used as a bloodpool contrast agent to perform high-resolution venous imaging. Our current aim was to use this technology to perform a detailed analysis of the venous anatomy among patients undergoing DIEP flap breast reconstruction...
May 14, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29750018/inactivation-of-nuclear-factor-%C3%AE%C2%BAb-by-mip-based-drug-combinations-augments-cell-death-of-breast-cancer-cells
#4
Menaga Subramaniam, Su Ki Liew, Lionel LA In, Khalijah Awang, Niyaz Ahmed, Noor Hasima Nagoor
Background: Drug combination therapy to treat cancer is a strategic approach to increase successful treatment rate. Optimizing combination regimens is vital to increase therapeutic efficacy with minimal side effects. Materials and methods: In the present study, we evaluated the in vitro cytotoxicity of double and triple combinations consisting of 1'S-1'-acetoxychavicol acetate (ACA), Mycobacterium indicus pranii (MIP) and cisplatin (CDDP) against 14 various human cancer cell lines to address the need for more effective therapy...
2018: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29748834/qbd-based-development-of-%C3%AE-linolenic-acid-potentiated-nanoemulsion-for-targeted-delivery-of-doxorubicin-in-dmba-induced-mammary-gland-carcinoma-in-vitro-and-in-vivo-evaluation
#5
Chandra Bhushan Tripathi, Poonam Parashar, Malti Arya, Mahendra Singh, Jovita Kanoujia, Gaurav Kaithwas, Shubhini A Saraf
Breast cancer is the most common cancer of occurrence in women and has the highest mortality incidence rate therein. The present study envisaged to develop doxorubicin (Dox) loaded folate functionalized nanoemulsion (NE) for profound therapeutic activity against mammary gland cancer. NE was prepared using pseudo-ternary phase diagrams utilizing α-linolenic acid (ALA) as lipid phase, to further enhance the anticancer potential of Dox. Box-Behnken design was employed to systematically develop the NE. Optimized NE (f-Dox-NE) was evaluated for in vitro and in vivo performance...
May 10, 2018: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/29748132/assessment-of-cytosolic-free-calcium-changes-during-ceramide-induced-cell-death-in-mda-mb-231-breast-cancer-cells-expressing-the-calcium-sensor-gcamp6m
#6
John J Bassett, Alice H L Bong, Ellen K Janke, Mélanie Robitaille, Sarah J Roberts-Thomson, Amelia A Peters, Gregory R Monteith
Alterations in Ca2+ signaling can regulate key cancer hallmarks such as proliferation, invasiveness and resistance to cell death. Changes in the regulation of intracellular Ca2+ and specific components of Ca2+ influx are a feature of several cancers and/or cancer subtypes, including the basal-like breast cancer subtype, which has a poor prognosis. The development of genetically encoded calcium indicators, such as GCaMP6, represents an opportunity to measure changes in intracellular free Ca2+ during processes relevant to breast cancer progression that occur over long periods (e...
March 2, 2018: Cell Calcium
https://www.readbyqxmd.com/read/29740925/metformin-directly-targets-the-h3k27me3-demethylase-kdm6a-utx
#7
Elisabet Cuyàs, Sara Verdura, Laura Llorach-Pares, Salvador Fernández-Arroyo, Fedra Luciano-Mateo, Noemí Cabré, Jan Stursa, Lukas Werner, Begoña Martin-Castillo, Benoit Viollet, Jiri Neuzil, Jorge Joven, Alfons Nonell-Canals, Melchor Sanchez-Martinez, Javier A Menendez
Metformin, the first drug chosen to be tested in a clinical trial aimed to target the biology of aging per se, has been clinically exploited for decades in the absence of a complete understanding of its therapeutic targets or chemical determinants. We here outline a systematic chemoinformatics approach to computationally predict biomolecular targets of metformin. Using several structure- and ligand-based software tools and reference databases containing 1,300,000 chemical compounds and more than 9,000 binding sites protein cavities, we identified 41 putative metformin targets including several epigenetic modifiers such as the member of the H3K27me3-specific demethylase subfamily, KDM6A/UTX...
May 8, 2018: Aging Cell
https://www.readbyqxmd.com/read/29736283/chronic-pulmonary-silicone-embolism-from-breast-augmentation-is-not-a-common-finding-in-explanted-lungs
#8
Jarmanjeet Singh, Hanine Inaty, Sanjay Mukhopadhyay, Atul C Mehta
Objective: Acute pulmonary silicone embolism (APSE) related to subcutaneous silicone injections is a well-known entity. Recently, a few cases of pathologically confirmed chronic pulmonary silicone embolism (CPSE) from breast implants have been reported. The prevalence of CPSE in women with breast augmentation is unknown. This study was done to determine the prevalence of CPSE in female lung transplant recipients with a history of breast augmentation and to determine whether breast augmentation plays a role in chronic lung diseases requiring lung transplantation...
2018: Pulmonary Medicine
https://www.readbyqxmd.com/read/29730514/breastfeeding-difficulty-after-polyacrylamide-hydrogel-paag-mediated-breast-augmentation
#9
Rami Mossad Ibrahim, Elisabeth Lauritzen, Caspar Weel Krammer
INTRODUCTION: Breast augmentation using polyacrylamide hydrogel (PAAG) has been routinely used in the past as a minimal invasive procedure. However, several patients undergoing this procedure have started to report complications. We report a case of breast augmentation using PAAG leading to a delayed infection and breastfeeding complication. CLINICAL CASE: A 36-year-old Danish female who was treated with PAAG fifteen years earlier, presented with difficulty in breastfeeding and fistulation...
April 30, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29729523/high-cd44-expression-mediates-p62-associated-nfe2l2-nrf2-activation-in-breast-cancer-stem-cell-like-cells-implications-for-cancer-stem-cell-resistance
#10
In-Geun Ryoo, Bo-Hyun Choi, Sae-Kwang Ku, Mi-Kyoung Kwak
Cluster of differentiation 44 (CD44) is the most common cancer stem cell (CSC) marker and high CD44 expression has been associated with anticancer drug resistance, tumor recurrence, and metastasis. In this study, we aimed to investigate the molecular mechanism by which CD44 and nuclear factor erythroid 2-like 2 (NFE2L2; NRF2), a key regulator of antioxidant genes, are linked to CSC resistance using CD44high breast CSC-like cells. NRF2 expression was higher in CD44high cell populations isolated from doxorubicin-resistant MCF7 (ADR), as well as MCF7, MDA-MB231, and A549 cells, than in corresponding CD44low cells...
April 26, 2018: Redox Biology
https://www.readbyqxmd.com/read/29720220/the-combined-effect-of-mammographic-texture-and-density-on-breast-cancer-risk-a-cohort-study
#11
Johanna O P Wanders, Carla H van Gils, Nico Karssemeijer, Katharina Holland, Michiel Kallenberg, Petra H M Peeters, Mads Nielsen, Martin Lillholm
BACKGROUND: Texture patterns have been shown to improve breast cancer risk segregation in addition to area-based mammographic density. The additional value of texture pattern scores on top of volumetric mammographic density measures in a large screening cohort has never been studied. METHODS: Volumetric mammographic density and texture pattern scores were assessed automatically for the first available digital mammography (DM) screening examination of 51,400 women (50-75 years of age) participating in the Dutch biennial breast cancer screening program between 2003 and 2011...
May 2, 2018: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29717943/cox-regression-analysis-with-missing-covariates-via-nonparametric-multiple-imputation
#12
Chiu-Hsieh Hsu, Mandi Yu
We consider the situation of estimating Cox regression in which some covariates are subject to missing, and there exists additional information (including observed event time, censoring indicator and fully observed covariates) which may be predictive of the missing covariates. We propose to use two working regression models: one for predicting the missing covariates and the other for predicting the missing probabilities. For each missing covariate observation, these two working models are used to define a nearest neighbor imputing set...
January 1, 2018: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/29717790/use-of-diffusion-kurtosis-imaging-and-quantitative-dynamic-contrast-enhanced-mri-for-the-differentiation-of-breast-tumors
#13
Ting Li, Tao Yu, Lyu Li, Lunbo Lu, Yaoyao Zhuo, Jingge Lian, Yun Xiong, Dexing Kong, Kangan Li
BACKGROUND: Breast MRI is a sensitive imaging technique to assess breast cancer but its effectiveness still remains to be improved. PURPOSE: To evaluate the diagnostic performance of diffusion-weighted imaging (DWI), diffusion kurtosis imaging (DKI), and quantitative dynamic contrast-enhanced (DCE)-MRI in differentiating malignant from benign breast lesions independently or jointly and to explore whether correlations exist among these parameters. STUDY TYPE: Retrospective...
May 2, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29715087/tumor-cell-selective-synergism-of-trail-and-atra-induced-cytotoxicity-in-breast-cancer-cells
#14
Annekathrin Reinhardt, Hongyu Liu, Yunxia Ma, Yongan Zhou, Chuanbing Zang, Jan-Piet Habbel, Kurt Possinger, Jan Eucker
BACKGROUND/AIM: One of the major problems in breast cancer treatment is pharmacoresistance. Therefore, exploration of treatment alternatives is of clinical relevance. The present work focused on tumor cell-inhibiting effects of a combination of tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and all trans retinoic acid (ATRA) in breast cancer cells. MATERIALS AND METHODS: Breast cancer cell lines (BT-20, BT-474, MDA-MB-231, MDA-MB-436, MDA-MB-453, MCF-7, SKBR3, T47D, ZR-75-1) and the mammary epithelial cell line MCF-10A were treated with TRAIL and ATRA alone and in combination...
May 2018: Anticancer Research
https://www.readbyqxmd.com/read/29715080/molecular-mechanisms-of-breast-cancer-metastasis-and-potential-anti-metastatic-compounds
#15
REVIEW
Sucharat Tungsukruthai, Nalinrat Petpiroon, Pithi Chanvorachote
Throughout the world, breast cancer is among the major causes of cancer-related death and is the most common cancer found in women. The development of cancer molecular knowledge has surpassed the novel concept of cancer biology and unraveled principle targets for anticancer drug developments and treatment strategies. Metastatic breast cancer cells acquire their aggressive features through several mechanisms, including augmentation of survival, proliferation, tumorigenicity, and motility-related cellular pathways...
May 2018: Anticancer Research
https://www.readbyqxmd.com/read/29714444/association-of-serum-leptin-with-serum-estradiol-in-relation-to-breast-carcinogenesis-a-comparative-case-control-study-between-pre-and-postmenopausal-women
#16
Syed Danish Haseen Ahmed, Farah Idrees, Muhammad Ahsan, Aziza Khanam, Naheed Sultan, Naheed Akhter
Background/aim: The aims of this study were to observe the interhormonal relationship of serum leptin with serum estradiol and to compare pre- and postmenopausal women for possible implications in breast carcinogenesis. Materials and methods: This comparative case-control study encompasses 175 breast cancer patients and 175 age-, sex-, and BMI- matched healthy controls. For comparison, the subjects were divided into pre- and postmenopausal groups according to their menstrual history. Blood samples were analyzed for serum leptin and serum estradiol by the ELISA method...
April 30, 2018: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29710686/capsular-fibrosis-in-aesthetic-and-reconstructive-cancer-patients-a-retrospective-analysis-of-319-cases
#17
Britta Kuehlmann, Rebekka Burkhardt, Nina Kosaric, Lukas Prantl
BACKGROUND: Implant-based breast augmentation is one of the most frequently performed operations in plastic surgery worldwide, for aesthetic and reconstructive reasons. Capsular fibrosis is the most common long-term foreign body response after breast implant augmentation. OBJECTIVE: To compare the occurrence of capsular contracture in aesthetic and reconstructive-cancer patients, including those patients who received radiotherapy prior to breast reconstruction with implants...
April 14, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29709430/evaluation-of-anatomical-and-round-breast-implant-aesthetics-and-preferences-in-dutch-young-lay-and-plastic-surgeon-cohort
#18
Patrick P Bletsis, Lesley R Bouwer, Klaas H Ultee, Michel Cromheecke, Berend van der Lei
BACKGROUND: Literature remains inconclusive on the attractiveness and natural aspect of anatomical breast implants, and thus far, studies have failed to demonstrate the visible difference in implants that are in practice compared to those that are round. This study was undertaken to evaluate (1) whether lay and professional participants can distinguish between breasts augmented with either round or anatomical breast implants and (2) their opinion with regard to naturalness and attractiveness of these augmented breasts...
April 16, 2018: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29707469/creation-of-a-central-under-flap-pocket-allows-secondary-implant-augmentation-of-perforator-flap-breast-reconstruction
#19
Craig A Blum, Frank J DellaCroce, Scott K Sullivan, Chris Trahan, M Whitten Wise
Background: When a single perforator flap does not provide adequate volume or projection for satisfactory breast reconstruction, the addition of an implant may be considered at the time of second-stage revisions. Dissection of an implant pocket beneath the flap may lead to the inadvertent injury of the flap pedicle as the tissue planes have been obscured by tissue ingrowth. The authors present a technique in which the boundaries of the implant pocket are predetermined at the time of flap reconstruction allowing an implant to be inserted at the second stage in ideal position with greater ease of dissection and minimal risk to the flap pedicle...
March 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29700392/ephb6-augments-both-development-and-drug-sensitivity-of-triple-negative-breast-cancer-tumours
#20
Behzad M Toosi, Amr El Zawily, Luke Truitt, Matthew Shannon, Odette Allonby, Mohan Babu, John DeCoteau, Darrell Mousseau, Mohsin Ali, Tanya Freywald, Amanda Gall, Frederick S Vizeacoumar, Morgan W Kirzinger, C Ronald Geyer, Deborah H Anderson, TaeHyung Kim, Alana L Welm, Peter Siegel, Franco J Vizeacoumar, Anthony Kusalik, Andrew Freywald
Triple-negative breast cancer (TNBC) tumours that lack expression of oestrogen, and progesterone receptors, and do not overexpress the HER2 receptor represent the most aggressive breast cancer subtype, which is characterised by the resistance to therapy in frequently relapsing tumours and a high rate of patient mortality. This is likely due to the resistance of slowly proliferating tumour-initiating cells (TICs), and understanding molecular mechanisms that control TICs behaviour is crucial for the development of effective therapeutic approaches...
April 27, 2018: Oncogene
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