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https://www.readbyqxmd.com/read/27921449/reduction-mammaplasty-with-the-modified-round-block-technique-in-chinese-patients-and-its-anatomy-study
#1
Wei Ding, Yinjia Ding, Hua Jiang
BACKGROUND: Although reduction mammaplasty is one of the most common procedures in plastic surgery, it is associated with some serious complications, especially in cases of severe hypertrophy or advanced ptosis, including necrosis of the nipple and areola, absence of normal sensation of the nipple-areolar complex, and loss of lactational function for future nursing. A thorough understanding of the breast anatomy is vital for successful reduction mammaplasty. This article describes the blood supply and innervation of the breasts, and introduces a modified round block technique for reduction mammaplasty based on this anatomy...
December 6, 2016: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/27917606/generation-of-%C3%AE-lactoglobulin-modified-transgenic-goats-by-homologous-recombination
#2
Hongmei Zhu, Linyong Hu, Jun Liu, Huatao Chen, Chenchen Cui, Yujie Song, Yaping Jin, Yong Zhang
β-Lactoglobulin (BLG) is a dominant allergen present in the milk of goats and other ungulates, although it is not found in human breast milk. Thus, the presence of BLG restricts the consumption of goat's milk by humans. In the present study, we examined whether the disruption of the BLG gene in goats by homologous recombination (HR) reduced BLG content in goat's milk and decreased the allergic response to milk. In one approach, exon 2 of the BLG gene was efficiently targeted using HR with a BLG knockout vector...
December 5, 2016: FEBS Journal
https://www.readbyqxmd.com/read/27916539/inhibiting-the-sumo-pathway-represses-the-cancer-stem-cell-population-in-breast-and-colorectal-carcinomas
#3
Maria V Bogachek, Jung M Park, James P De Andrade, Allison W Lorenzen, Mikhail V Kulak, Jeffrey R White, Vivian W Gu, Vincent T Wu, Ronald J Weigel
Many solid cancers have an expanded CD44(+/hi)/CD24(-/low) cancer stem cell (CSC) population, which are relatively chemoresistant and drive recurrence and metastasis. Achieving a more durable response requires the development of therapies that specifically target CSCs. Recent evidence indicated that inhibiting the SUMO pathway repressed tumor growth and invasiveness, although the mechanism has yet to be clarified. Here, we demonstrate that inhibition of the SUMO pathway repressed MMP14 and CD44 with a concomitant reduction in cell invasiveness and functional loss of CSCs in basal breast cancer...
November 24, 2016: Stem Cell Reports
https://www.readbyqxmd.com/read/27916314/intraoperative-ultrasound-guidance-in-breast-conserving-surgery-shows-superiority-in-oncological-outcome-long-term-cosmetic-and-patient-reported-outcomes-final-outcomes-of-a-randomized-controlled-trial-cobalt
#4
J H Volders, M H Haloua, N M A Krekel, V L Negenborn, R H E Kolk, A M F Lopes Cardozo, A M Bosch, L M de Widt-Levert, H van der Veen, H Rijna, A H M Taets van Amerongen, K Jóźwiak, S Meijer, M P van den Tol
BACKGROUND: The multicenter randomized controlled COBALT trial demonstrated that ultrasound-guided breast-conserving surgery (USS) results in a significant reduction of margin involvement (3.1% vs. 13%) and excision volumes compared to palpation-guided surgery (PGS). The aim of the present study was to determine long term oncological and patient-reported outcomes including quality of life (QoL), together with their progress over time. METHODS: 134 patients with T1-T2 breast cancer were randomized to USS (N = 65) or PGS (N = 69)...
November 23, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27916296/ampk%C3%AE-is-suppressed-in-bladder-cancer-through-macrophage-mediated-mechanisms
#5
Stavros Kopsiaftis, Poornima Hegde, John A Taylor, Kevin P Claffey
Bladder cancer presents as either low- or high-grade disease, each with distinct mutational profiles; however, both display prominent mTORC1 activation. One major negative regulator of mTORC1 is AMPK, which is a critical metabolic regulator that suppresses cellular growth in response to metabolic stress by negatively regulating mTORC1. Alterations in the activation and protein levels of AMPK have been reported in breast, gastric, and hepatocellular carcinoma. To investigate whether AMPK suppression is responsible for mTOR activation in bladder cancer, the levels of AMPKα were quantified in a cohort of primary human bladder cancers and adjacent nontumor tissues...
December 2016: Translational Oncology
https://www.readbyqxmd.com/read/27914780/a-monte-carlo-analysis-of-breast-screening-randomized-trials
#6
Luis I Zamora, Cristina Forastero, Damián Guirado, Antonio M Lallena
PURPOSE: To analyze breast screening randomized trials with a Monte Carlo simulation tool. METHODS: A simulation tool previously developed to simulate breast screening programmes was adapted for that purpose. The history of women participating in the trials was simulated, including a model for survival after local treatment of invasive cancers. Distributions of time gained due to screening detection against symptomatic detection and the overall screening sensitivity were used as inputs...
November 30, 2016: Physica Medica: PM
https://www.readbyqxmd.com/read/27914092/synthesis-characterization-and-study-of-in-vitro-cytotoxicity-of-zno-fe3o4-magnetic-composite-nanoparticles-in-human-breast-cancer-cell-line-mda-mb-231-and-mouse-fibroblast-nih-3t3
#7
Gunjan Bisht, Sagar Rayamajhi, Biplab Kc, Siddhi Nath Paudel, Deepak Karna, Bhupal G Shrestha
Novel magnetic composite nanoparticles (MCPs) were successfully synthesized by ex situ conjugation of synthesized ZnO nanoparticles (ZnO NPs) and Fe3O4 NPs using trisodium citrate as linker with an aim to retain key properties of both NPs viz. inherent selectivity towards cancerous cell and superparamagnetic nature, respectively, on a single system. Successful characterization of synthesized nanoparticles was done by XRD, TEM, FTIR, and VSM analyses. VSM analysis showed similar magnetic profile of thus obtained MCPs as that of naked Fe3O4 NPs with reduction in saturation magnetization to 16...
December 2016: Nanoscale Research Letters
https://www.readbyqxmd.com/read/27913933/fatigue-reduction-diet-in-breast-cancer-survivors-a-pilot-randomized-clinical-trial
#8
Suzanna Maria Zick, Justin Colacino, Maria Cornellier, Tohfa Khabir, Katie Surnow, Zora Djuric
PURPOSE: Fatigue is a prevalent and burdensome effect of breast cancer. Fatigue has been linked to chronic inflammation, and diets high in antioxidant nutrients have been associated with lesser prevalence and severity of fatigue. Studies are needed, however, to test if antioxidant-rich diets could improve fatigue. METHODS: Pilot, randomized, trial conducted between January 2014 and April 2015, to investigate if a 3-month diet rich in fruit, vegetables, whole grains, and omega-3 fatty acid-rich foods, named the fatigue reduction diet (FRD), improved fatigue and sleep compared to an attention control, named the general health curriculum (GHC)...
December 2, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27913313/the-role-of-vitamin-d-and-vdr-in-carcinogenesis-through-epidemiology-and-basic-sciences
#9
REVIEW
Borja Bandera Merchan, Sonsoles Morcillo, Gracias Martin-Nuñez, Francisco José Tinahones, Manuel Macías-González
In the last two decades vitamin D (VD) research has demonstrated new extraskeletal actions of this pre-hormone, suggesting a protective role of this secosteroid in the onset, progression and prognosis of several chronic noncommunicable diseases, such as cardiovascular disease, diabetes mellitus or cancer. Regarding carcinogenesis, both preclinical and epidemiological evidence available show oncoprotective actions of VD and its receptor, the VDR. However, in late neoplastic stages the VD system (VDS) seems to be less functional, which appears to be due to an epigenetic silencing of the system...
November 29, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27912947/exploratory-outcome-assessment-of-qigong-tai-chi-easy-on-breast-cancer-survivors
#10
Linda K Larkey, Denise J Roe, Lisa Smith, Denise Millstine
OBJECTIVE: Breast cancer survivors (BCSs) experience symptoms affecting overall quality of life (QOL), often for a prolonged period post-treatment. Meditative Movement (MM), including Qigong and Tai Chi Easy (QG/TCE), has demonstrated benefit for improving QOL issues such as fatigue and sleep, but there is limited evidence of its impact on cognitive function, overall physical activity, and body weight for BCSs. DESIGN: This double-blind, randomized controlled pilot study with 87 female BCSs explored effects of QG/TCE on mental and physical QOL (Medical Outcomes Survey, Short Form), cognitive function (Functional Assessment of Cancer Therapy-Cognitive Function and two cognitive performance tests from the WAIS III), overall levels of physical activity (PA)(Brief Physical Activity Questionnaire) and body mass index (BMI)...
December 2016: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/27912846/new-insights-and-evolving-role-of-pegylated-liposomal-doxorubicin-in-cancer-therapy
#11
REVIEW
Alberto A Gabizon, Yogita Patil, Ninh M La-Beck
We herein review various pharmacological and clinical aspects of pegylated liposomal doxorubicin (PLD), the first nanomedicine to be approved for cancer therapy, and discuss the gap between its potent antitumor activity in preclinical studies and its comparatively modest achievements in clinical studies and limited use in clinical practice. PLD is a complex formulation of doxorubicin based on pharmaceutical nanotechnology with unique pharmacokinetic and pharmacodynamic properties. Its long circulation time with stable retention of the payload and its accumulation in tumors with high vascular permeability both result in important advantages over conventional chemotherapy...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27910946/ki-67-in-endometrial-cancer-scoring-optimization-and-prognostic-relevance-for-window-studies
#12
Sarah Kitson, Vanitha N Sivalingam, James Bolton, Rhona McVey, Mashid Nickkho-Amiry, Melanie E Powell, Alexandra Leary, Hans W Nijman, Remi A Nout, Tjalling Bosse, Andrew G Renehan, Henry C Kitchener, Richard J Edmondson, Emma J Crosbie
Ki-67, a marker of cellular proliferation, is increasingly being used in pre-surgical window studies in endometrial cancer as a primary outcome measure. Unlike in breast cancer, however, there are no guidelines standardizing its measurement and its clinical relevance as a response biomarker is undetermined. It is, therefore, imperative that Ki-67 scoring protocols are optimized and its association with patient survival rigorously evaluated, in order to be able to clinically interpret the results of these studies...
December 2, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27909996/modelling-the-cost-effectiveness-of-human-milk-and-breastfeeding-in-preterm-infants-in-the-united-kingdom
#13
James Mahon, Lindsay Claxton, Hannah Wood
OBJECTIVES: To estimate the cost savings and health benefits in the UK NHS that could be achieved if human milk usage in the NICU was increased. METHODS: A systematic review established the disease areas with the strong sources of evidence of the short, medium and long-term benefits of human milk for preterm infants as opposed to the use of formula milk. The analysis assessed the economic impact of reducing rates of necrotising enterocolitis, sepsis, sudden infant death syndrome, leukaemia, otitis media, obesity and neurodevelopmental impairment...
December 2016: Health Economics Review
https://www.readbyqxmd.com/read/27908767/should-we-routinely-analyze-reduction-mammaplasty-specimens
#14
Päivi A Merkkola-von Schantz, Tiina A Jahkola, Leena A Krogerus, Katja S Hukkinen, Susanna Mc Kauhanen
BACKGROUND: Reduction mammaplasty is one of the most common plastic surgery procedures. Preoperative imaging and histopathology protocols vary among countries and institutions. We aimed to analyze the incidence of occult breast cancer and high-risk lesions in reduction mammaplasty specimens. We also analyzed whether patients with abnormal histopathology differed from the study population in terms of demographics. PATIENTS AND METHODS: In total, 918 women who underwent reduction mammaplasty from January 2007 to December 2011 were retrospectively reviewed for demographics, preoperative imaging, further preoperative examinations, pathology reports, and postoperative follow-up...
November 10, 2016: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/27908586/standard-wide-local-excision-or-bilateral-reduction-mammoplasty-in-large-breasted-women-with-small-tumours-surgical-and-patient-reported-outcomes
#15
R Di Micco, R L O'Connell, P A Barry, N Roche, F A MacNeill, J E Rusby
INTRODUCTION: Oncoplastic breast surgery is used to extend the role of breast-conserving surgery (BCS) to women with an unfavourable tumour to breast volume ratio. However, large-breasted women with a relatively small breast cancer may be offered bilateral reduction mammoplasty (BRM) despite being suitable for standard BCS as the more complex surgery may have advantages in terms of patient satisfaction and reduced adverse effects of radiotherapy. PATIENT AND METHODS: This retrospective study evaluated surgical and patient-reported outcome measures (PROMs) in large-breasted women with early (<3 cm) breast cancer, who have undergone unilateral standard BCS or BRM...
November 17, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27908154/mass-detection-in-digital-breast-tomosynthesis-deep-convolutional-neural-network-with-transfer-learning-from-mammography
#16
Ravi K Samala, Heang-Ping Chan, Lubomir Hadjiiski, Mark A Helvie, Jun Wei, Kenny Cha
PURPOSE: Develop a computer-aided detection (CAD) system for masses in digital breast tomosynthesis (DBT) volume using a deep convolutional neural network (DCNN) with transfer learning from mammograms. METHODS: A data set containing 2282 digitized film and digital mammograms and 324 DBT volumes were collected with IRB approval. The mass of interest on the images was marked by an experienced breast radiologist as reference standard. The data set was partitioned into a training set (2282 mammograms with 2461 masses and 230 DBT views with 228 masses) and an independent test set (94 DBT views with 89 masses)...
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27906043/exosomes-play-an-important-role-in-the-process-of-psoralen-reverse-multidrug-resistance-of-breast-cancer
#17
Xiaohong Wang, Chengfeng Xu, Yitong Hua, Leitao Sun, Kai Cheng, Zhongming Jia, Yong Han, Jianli Dong, Yuzhen Cui, Zhenlin Yang
BACKGROUND: Release of exosomes have been shown to play critical roles in drug resistance by delivering cargo. Targeting the transfer of exosomes from resistant cells to sensitive cells may be an approach to overcome some cases of drug resistance. METHOD: In this study, we investigated the potential role of exosomes in the process of psoralen reverse multidrug resistance of MCF-7/ADR cells. Exosomes were isolated by differential centrifugation of culture media from MCF-7/ADR cells (ADR/exo) and MCF-7 parental cells (S/exo)...
December 1, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27905583/intracellular-water-an-overlooked-drug-target-cisplatin-impact-in-cancer-cells-probed-by-neutrons
#18
M P M Marques, A L M Batista de Carvalho, V Garcia Sakai, L Hatter, L A E Batista de Carvalho
The first neutron scattering study on human nucleated cells is reported, addressing the subject of solvent-slaving to a drug by probing intracellular water upon drug exposure. Inelastic and quasi-elastic neutron scattering spectroscopy with isotope labelling was applied for monitoring interfacial water response to the anticancer drug cisplatin, in the low prognosis human metastatic breast cancer cells MDA-MB-231. Optical vibrational data were also obtained for lyophilised cells. Concentration-dependent dynamical changes evidencing a progressive mobility reduction were unveiled between untreated and cisplatin-exposed samples, concurrent with variations in the native organisation of water molecules within the intracellular medium as a consequence of drug action...
December 1, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27905097/novel-biomarkers-in-primary-breast-core-biopsies-to-predict-poor-response-to-neoadjuvant-chemotherapy-and-appearance-of-metastases
#19
Anna Novell, Serafin Morales, Joan Valls, Maria José Panadés, Antonieta Salud, Edelmiro Iglesias, Felip Vilardell, Xavier Matias-Guiu, Antonio Llombart-Cussac
Drug resistance has been one of the major obstacles limiting the success of cancer chemotherapy. In two thirds of breast cancer patients, large (>1cm) residual tumors are present after neoadjuvant chemotherapy (NCT). The residual tumor and involved nodes have been indicators of relapse and survival very important in breast cancer. The goal of this preliminary study was to assess the predictive significance of a panel of molecular biomarkers, related with the response to treatment or drug resistance to NCT, as determined on the diagnostic tumor...
December 1, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27904039/role-of-rac1-wave2-signaling-in-mediating-the-inhibitory-effects-of-%C3%AE-tocotrienol-on-mammary-cancer-cell-migration-and-invasion
#20
Ibrahim Gayadh Algayadh, Venkateshwararao Dronamraju, Paul William Sylvester
The majority of breast cancer deaths result from the progression of this disease to a metastatic phenotype. Rac1 and Cdc42 are Rho family members that together with their downstream effectors, Wiskott-Aldrich Syndrome protein-family verprolin-homologous protein 2 (WAVE2) and Arp2/3, play an important role in cytoskeletal reorganization and the formation of membrane protrusions that promote cancer cell migration and invasion. γ-Tocotrienol, is a natural isoform within the vitamin E family of compounds that inhibits breast cancer cell growth and progression by suppressing various signaling pathways involved in mitogenic signaling and metastatic progression...
2016: Biological & Pharmaceutical Bulletin
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