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https://www.readbyqxmd.com/read/27922894/antimicrobial-prophylaxis-practice-patterns-in-breast-augmentation-a-national-survey-of-current-practice
#1
Karan Chopra, Arvind U Gowda, Colton H L McNichols, Emile N Brown, Sheri Slezak, Yvonne Rasko
BACKGROUND: Breast augmentation is one of the most commonly performed aesthetic surgery procedures worldwide. Bacterial contamination is of paramount concern due to its role in biofilm formation and capsular contracture. Plastic surgeons have adopted a variety of perioperative interventions in efforts to reduce implant contamination, however definitive evidence supporting these practices is lacking. OBJECTIVE: The goal of this study was to assess current practice patterns aimed at reducing implant-related infections in breast augmentation and comparing them to current evidence-based medicine recommendations...
December 5, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27922487/breast-augmentation-combining-fat-injection-and-breast-implants-in-patients-with-atrophied-breasts
#2
Burhan Özalp, Mustafa Aydinol
Breast augmentation is a challenging issue in atrophied breasts related to breastfeeding. Here, we describe a modification combining breast implants and fat grafting to obtain a successful outcome without implant edge visibility and palpability.Thirty-four women with atrophied breasts underwent breast augmentation over a 6-year period. The breast implants were placed in the subglandular plane to obtain optimal filling and expansion of atrophied breast tissue. Autologous fat grafting was performed above the inframammary sulcus to prevent implant visibility and palpability due to insufficient soft tissue coverage...
December 2, 2016: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/27919840/development-fabrication-and-evaluation-of-a-novel-biomimetic-human-breast-tissue-derived-breast-implant-surface
#3
S Barr, E W Hill, A Bayat
: Breast implant use has tripled in the last decade with over 320,000 breast implant based reconstructions and augmentations performed in the US per annum. Unfortunately a considerable number of women will experience capsular contracture, the irrepressible and disfiguring, tightening and hardening of the fibrous capsule that envelops the implant. Functionalising implant surfaces with biocompatible tissue-specific textures may improve in-vivo performance. A novel biomimetic breast implant is presented here with anti-inflammatory in-vitro abilities...
December 2, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27908154/mass-detection-in-digital-breast-tomosynthesis-deep-convolutional-neural-network-with-transfer-learning-from-mammography
#4
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/27904654/augmentation-of-histone-deacetylase-3-hdac3-epigenetic-signature-at-the-interface-of-proinflammation-and-insulin-resistance-in-patients-with-type-2-diabetes
#5
Chandrakumar Sathishkumar, Paramasivam Prabu, Mahalingam Balakumar, Raji Lenin, Durai Prabhu, Ranjith Mohan Anjana, Viswanathan Mohan, Muthuswamy Balasubramanyam
BACKGROUND: A role of proinflammation has been implicated in the pathogenesis of diabetes, but the up-stream regulatory signals and molecular signatures are poorly understood. While histone modifications such as changes in histone deacetylase (HDAC) are emerging as novel epigenetic biomarkers, there is lack of studies to demonstrate their clinical relevance in diabetes. Therefore, we investigated the extent of HDAC machinery and inflammatory signals in peripheral blood mononuclear cells (PBMCs) from patients with type 2 diabetes mellitus (T2DM) compared to control subjects...
2016: Clinical Epigenetics
https://www.readbyqxmd.com/read/27898536/the-ice-principle-45-55-breast-ratio-and-20-degree-nipple-inclination-in-breast-augmentation
#6
Eric Swanson
No abstract text is available yet for this article.
November 28, 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27895786/sprouty4-mrna-variants-and-protein-expressions-in-breast-and-lung-derived-cells
#7
Angelina Doriguzzi, Jihen Salhi, Hedwig Sutterlüty-Fall
Sprouty proteins are modulators of mitogen-induced signalling processes and are therefore hypothesized to affect malignant diseases. As a member of the Sprouty family, Sprouty4 has been previously shown to function as a tumour suppressor in lung and breast cancer. The present study analysed the expression of two known Sprouty4 splice variants in cells established from malignant and normal lung and breast tissues using semi-quantitative reverse transcription-polymerase chain reaction and immunoblotting. The results indicated that the expression of the two messenger RNA (mRNA) variants was reduced in the cells derived from malignant tissue in comparison to the normal counterparts...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895501/a-fish-based-method-for-assessment-of-her-2-amplification-status-in-breast-cancer-circulating-tumor-cells-following-cellsearch-isolation
#8
Henrik Frithiof, Kristina Aaltonen, Lisa Rydén
INTRODUCTION: Amplification of the HER-2/neu (HER-2) proto-oncogene occurs in 10%-15% of primary breast cancer, leading to an activated HER-2 receptor, augmenting growth of cancer cells. Tumor classification is determined in primary tumor tissue and metastatic biopsies. However, malignant cells tend to alter their phenotype during disease progression. Circulating tumor cell (CTC) analysis may serve as an alternative to repeated biopsies. The Food and Drug Administration-approved CellSearch system allows determination of the HER-2 protein, but not of the HER-2 gene...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27893426/sublethal-exposure-to-alpha-radiation-223ra-dichloride-enhances-various-carcinomas-sensitivity-to-lysis-by-antigen-specific-cytotoxic-t-lymphocytes-through-calreticulin-mediated-immunogenic-modulation
#9
Anthony S Malamas, Sofia R Gameiro, Karin M Knudson, James W Hodge
Radium-223 dichloride (Xofigo®; 223Ra) is an alpha-emitting radiopharmaceutical FDA-approved for the treatment of bone metastases in patients with advanced castration-resistant prostate cancer. It is also being examined clinically in patients with breast and lung carcinoma and patients with multiple myeloma. As with other forms of radiation, the aim of 223Ra is to reduce tumor burden by directly killing tumor cells. External beam (photon) and proton radiation have been shown to augment tumor sensitivity to antigen-specific CD8+ cytotoxic T lymphocytes (CTLs)...
November 23, 2016: Oncotarget
https://www.readbyqxmd.com/read/27889376/the-cytoplasmic-domain-of-mt1-mmp-is-dispensable-for-migration-augmentation-but-necessary-to-mediate-viability-of-mcf-7-breast-cancer-cells
#10
Mario A Cepeda, Jacob Jh Pelling, Caitlin L Evered, Hon S Leong, Sashko Damjanovski
Membrane-type-1 Matrix Metalloproteinase (MT1-MMP) is a multifunctional protease that regulates ECM degradation, proMMP-2 activation, and varied cellular processes including migration and viability. MT1-MMP is believed to be a central mediator of tumourigenesis whose role is dictated by its functionally distinct protein domains. Both the localization and signal transduction capabilities of MT1-MMP are dependent on its cytoplasmic domain, exemplifying diverse regulatory functions. To further our understanding of the multifunctional contributions of MT1-MMP to cellular processes, we overexpressed cytoplasmic domain altered constructs in MCF-7 breast cancer cells and analyzed migration and viability in 2D culture conditions, morphology in 3D Matrigel culture, and tumorigenic ability in vivo...
November 23, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27880910/cdk12-inhibition-reverses-de-novo-and-acquired-parp-inhibitor-resistance-in-brca-wild-type-and-mutated-models-of-triple-negative-breast-cancer
#11
Shawn F Johnson, Cristina Cruz, Ann Katrin Greifenberg, Sofia Dust, Daniel G Stover, David Chi, Benjamin Primack, Shiliang Cao, Andrea J Bernhardy, Rhiannon Coulson, Jean-Bernard Lazaro, Bose Kochupurakkal, Heather Sun, Christine Unitt, Lisa A Moreau, Kristopher A Sarosiek, Maurizio Scaltriti, Dejan Juric, José Baselga, Andrea L Richardson, Scott J Rodig, Alan D D'Andrea, Judith Balmaña, Neil Johnson, Matthias Geyer, Violeta Serra, Elgene Lim, Geoffrey I Shapiro
Although poly(ADP-ribose) polymerase (PARP) inhibitors are active in homologous recombination (HR)-deficient cancers, their utility is limited by acquired resistance after restoration of HR. Here, we report that dinaciclib, an inhibitor of cyclin-dependent kinases (CDKs) 1, 2, 5, and 9, additionally has potent activity against CDK12, a transcriptional regulator of HR. In BRCA-mutated triple-negative breast cancer (TNBC) cells and patient-derived xenografts (PDXs), dinaciclib ablates restored HR and reverses PARP inhibitor resistance...
November 22, 2016: Cell Reports
https://www.readbyqxmd.com/read/27880817/melissa-officinalis-protects-against-doxorubicin-induced-cardiotoxicity-in-rats-and-potentiates-its-anticancer-activity-on-mcf-7-cells
#12
Alaaeldin Ahmed Hamza, Mahguob Mohamed Ahmed, Hanan Mohamed Elwey, Amr Amin
Cardiotoxicity is a limiting factor of doxorubicin (DOX)-based anticancer therapy. Due to its beneficial effects, we investigated whether standardized extract of Melissa officinalis (MO) can attenuate doxorubicin-induced cardiotoxicity and can potentiate the efficacy of DOX against human breast cancer cells. MO was administered orally to male albino rats once daily for 10 consecutive days at doses of 250, 500 and 750 mg/kg b.wt. DOX (15 mg/kg b.wt. i.p.) was administered on the 8th day. MO protected against DOX-induced leakage of cardiac enzymes and histopathological changes...
2016: PloS One
https://www.readbyqxmd.com/read/27879581/matching-procedures-at-the-time-of-immediate-breast-reconstruction-an-american-college-of-surgeons-national-surgical-quality-improvement-program-study-of-24-191-patients
#13
Carisa M Cooney, Mohamad E Sebai, Onyebuchi Ogbuagu, Chris Devulapalli, Michele A Manahan, Gedge D Rosson
BACKGROUND: The purpose of this study was to assess for compounded risk of postoperative morbidity with the addition of a simultaneous contralateral breast matching procedure at the time of mastectomy and immediate breast reconstruction. METHODS: 2005 to 2012 American College of Surgeons National Surgical Quality Improvement Program databases were used to identify cases of mastectomy and immediate breast reconstruction with and without simultaneous contralateral breast matching procedures...
December 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27879270/breast-cancer-resistance-to-antiestrogens-is-enhanced-by-increased-er-degradation-and-erbb2-expression
#14
Tomohiro Shibata, Kosuke Watari, Hiroto Izumi, Akihiko Kawahara, Satoshi Hattori, Chihiro Fukumitsu, Yuichi Murakami, Ryuji Takahashi, Uhi Toh, Ken-Ichi Ito, Shigehiro Ohdo, Maki Tanaka, Masayoshi Kage, Michihiko Kuwano, Mayumi Ono
Endocrine therapies effectively improve the outcomes of patients with estrogen receptor (ER)-positive breast cancer. However, the emergence of drug-resistant tumors creates a core clinical challenge. In breast cancer cells rendered resistant to the antiestrogen fulvestrant, we defined causative mechanistic roles for the transcription factor YBX1 and the levels of ER and the ERBB2 receptor. Enforced expression of YBX1 in parental cells conferred resistance against tamoxifen and fulvestrant in vitro and in vivo...
November 22, 2016: Cancer Research
https://www.readbyqxmd.com/read/27878304/upregulation-of-mek5-by-stat3-promotes-breast-cancer-cell-invasion-and-metastasis
#15
Fang Liu, Hao Zhang, Hui Song
Mitogen extracellular-signal-regulated kinase kinase 5 (MEK5) plays an important role in promoting cell proliferation and tumorigenesis. The aberrant expression of MEK5 has been reported in various malignant diseases including cancers of breast, prostate, lung, colorectal and brain. However, the function and regulation of MEK5 signaling pathway are ambiguous and remain elusive with respect to its oncogenic roles in various cancers, especially in the regulation of the initiation and progression of cancer invasion and metastasis...
November 18, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27872084/patient-perspectives-on-delays-in-diagnosis-and-treatment-of-cancer-a-qualitative-analysis-of-free-text-data
#16
Rachel K Parsonage, Julia Hiscock, Rebecca-Jane Law, Richard D Neal
BACKGROUND: Earlier cancer diagnosis is crucial in improving cancer survival. The International Cancer Benchmarking Partnership Module 4 (ICBP4) is a quantitative survey study that explores the reasons for delays in diagnosis and treatment of breast, colorectal, lung, and ovarian cancer. To further understand the associated diagnostic processes, it is also important to explore the patient perspectives expressed in the free-text comments. AIM: To use the free-text data provided by patients completing the ICBP4 survey to augment the understanding of patients' perspectives of their diagnostic journey...
November 21, 2016: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/27871962/penile-implant-review-of-a-no-touch-technique
#17
REVIEW
J Francois Eid
INTRODUCTION: Over 25% of the more than 725,000 cases of nosocomial infection in the United States are related to an implantable device. Despite the standard typical strategies available, infection rates for breast implants, cerebrospinal shunts, and penile implants remain unacceptably high. This paper will review use of a "no-touch" technique in varied surgical procedures from orthopedic fracture repair, cerebrospinal fluid shunt placement, and breast reconstruction/augmentation to penile prosthesis implantation...
July 2016: Sexual Medicine Reviews
https://www.readbyqxmd.com/read/27869167/cystine-addiction-of-triple-negative-breast-cancer-associated-with-emt-augmented-death-signaling
#18
X Tang, C-K Ding, J Wu, J Sjol, S Wardell, I Spasojevic, D George, D P McDonnell, D S Hsu, J T Chang, J-T Chi
Despite the advances in the diagnosis and treatment of breast cancer, breast cancers still cause significant mortality. For some patients, especially those with triple-negative breast cancer, current treatments continue to be limited and ineffective. Therefore, there remains an unmet need for a novel therapeutic approach. One potential strategy is to target the altered metabolic state that is rewired by oncogenic transformation. Specifically, this rewiring may render certain outside nutrients indispensable...
November 21, 2016: Oncogene
https://www.readbyqxmd.com/read/27867187/crosstalk-of-ros-rns-and-autophagy-in-silibinin-induced-apoptosis-of-mcf-7-human-breast-cancer-cells-in-vitro
#19
Nan Zheng, Lu Liu, Wei-Wei Liu, Fei Li, Toshihiko Hayashi, Shin-Ichi Tashiro, Satoshi Onodera, Takashi Ikejima
Reactive oxygen species (ROS) and reactive nitrogen species (RNS) play important roles in regulating cell survival and death. Silibinin is a natural polyphenolic flavonoid isolated from milk thistle with anti-tumor activities, but it was found to induce cytoprotective ROS/RNS in human breast cancer MCF-7 cells. Furthermore, treatment with silibinin down-regulates ERα expression in MCF-7 cells, and inducing both autophagy and apoptosis. In this study we explored the relationship between ER-associated pathways and RNS/ROS in MCF-7 cells...
November 21, 2016: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/27863838/resveratrol-enhances-the-efficacy-of-sorafenib-mediated-apoptosis-in-human-breast-cancer-mcf7-cells-through-ros-cell-cycle-inhibition-caspase-3-and-parp-cleavage
#20
Arindam Mondal, Lunawati L Bennett
Despite advances in diagnosis and treatment options, breast cancer is one of the main causes of cancer related death among women worldwide. Present study is aimed to preliminarily evaluate our hypothesis that the combination of resveratrol (RSV), a natural antioxidant, and lower dose of sorafenib (SF), a multi-kinase inhibitor and a component of ERK1/2 (extracellular signal-regulated kinase 1/2) pathway, would augment apoptosis in human breast cancer MCF7 cells. MCF7 cellexpressions s were treated with RSV, SF and their combination...
November 15, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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