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Breast

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https://read.qxmd.com/read/32650258/ulcerated-breast-cancer-with-single-brain-metastasis-a-combined-surgical-approach-clinical-presentation-at-one-year-follow-up-a-case-report
#1
Francesca Santori, Gianluca Vanni, Oreste Claudio Buonomo, Adriano De Majo, Maurizio Rho, Alessandra Vittoria Granai, Marco Pellicciaro, Maria Cotesta, Massimo Assogna, Rolando Maria D'Angelillo, Marco Materazzo
INTRODUCTION: Breast cancer is the most common malignancy in woman. Approximately 5-10% of breast cancer occurs as de novo stage IV and some studies have shown that from 10% to 30% of those patients presents Brain Metastasis. PRESENTATION OF CASE: In this study, we report a case of solitary brain metastasis of breast cancer in a 63-year-old Italian Caucasian woman with neurological symptoms as first clinical presentation. After the correct diagnosis and multidisciplinary meeting it was decided to simultaneously perform a metastasectomy surgery plus right mastectomy, right axillary dissection and immediate breast reconstruction...
June 20, 2020: International Journal of Surgery Case Reports
https://read.qxmd.com/read/32650223/skin-carotenoids-are-inversely-associated-with-adiposity-in-breast-cancer-survivors
#2
Brenda Cartmel, Chelsea Anderson, Melinda L Irwin, Maura Harrigan, Tara Sanft, Fangyong Li, Werner Gellermann, Igor V Ermakov, Leah M Ferrucci
Carotenoids are antioxidants which may mitigate some of the adverse effects of obesity, a condition associated with poor outcomes in breast cancer patients. We hypothesized that baseline skin carotenoids would be inversely associated with adiposity in breast cancer survivors and would increase with weight loss. Skin carotenoid score (SCS) was assessed by resonance Raman spectroscopy in breast cancer survivors (body mass index ≥25 kg/m2 ) enrolled in a 6-month randomized controlled weight loss trial (n = 47)...
May 24, 2020: Nutrition Research
https://read.qxmd.com/read/32650022/human-milk-oligosaccharide-profiles-and-allergic-disease-up-to-18-years
#3
Caroline J Lodge, Adrian J Lowe, Elasma Milanzi, Gayan Bowatte, Michael J Abramson, Helen Tsimiklis, Christine Axelrad, Bianca Robertson, Aaron E Darling, Cecilie Svanes, Matthias Wjst, Shyamali C Dharmage, Lars Bode
BACKGROUND: Human Milk Oligosaccharides (HMO) are a diverse range of sugars secreted in breast milk that have direct and indirect effects on immunity. The profiles of HMOs produced differ between mothers. OBJECTIVE: To determine the relationship between maternal HMO profiles and offspring allergic diseases up to 18 years METHODS: Colostrum and early lactation milk samples were collected from 285 mothers enrolled in a high allergy risk birth cohort, the Melbourne Atopy Cohort Study...
July 7, 2020: Journal of Allergy and Clinical Immunology
https://read.qxmd.com/read/32650003/tenascin-c-induces-phenotypic-changes-in-fibroblasts-to-myofibroblasts-with-high-contractility-through-the-integrin-%C3%AE-v%C3%AE-1-tgf-%C3%AE-smad-signaling-axis-in-human-breast-cancer
#4
Daisuke Katoh, Yuji Kozuka, Aya Noro, Tomoko Ogawa, Kyoko Imanaka-Yoshida, Toshimichi Yoshida
Tenascin-C (TNC) is strongly expressed by fibroblasts and cancer cells in breast cancer. To assess the effects of TNC on stromal formation, we examined phenotypic changes in human mammary fibroblasts (HMFs) treated with TNC. The addition of TNC significantly up-regulated α-smooth muscle actin (SMA) and calponin. TNC increased the number of α-SMA- and/or calponin-positive cells with well-developed stress fibers in immunofluorescence, which enhanced contractile ability in collagen gel contraction. The treatment with TNC also significantly up-regulated its own synthesis...
July 7, 2020: American Journal of Pathology
https://read.qxmd.com/read/32649577/single-nucleotide-polymorphism-biomarkers-of-adjuvant-anastrozole-induced-estrogen-suppression-in-early-breast-cancer
#5
James N Ingle, Krishna R Kalari, Poulami Barman, Lois E Shepherd, Matthew J Ellis, Paul E Goss, Aman U Buzdar, Mark E Robson, Junmei Cairns, Erin E Carlson, Abraham Eyman Casey, Tanya L Hoskin, Barbara A Goodnature, Tufia C Haddad, Matthew P Goetz, Richard M Weinshilboum, Liewei Wang
OBJECTIVE: Based on our previous findings that postmenopausal women with estrone (E1) and estradiol (E2) concentrations at or above 1.3 pg/ml and 0.5 pg/ml, respectively, after 6 months of adjuvant anastrozole therapy had a three-fold risk of recurrence, we aimed to identify a single-nucleotide polymorphism (SNP)-based model that would predict elevated E1 and E2 and then validate it in an independent dataset. PATIENTS AND METHODS: The test set consisted of 322 women from the M3 study and the validation set consisted of 152 patients from MA...
July 8, 2020: Pharmacogenetics and Genomics
https://read.qxmd.com/read/32649572/influence-of-preoperative-breast-cancer-localization-techniques-on-rates-of-sentinel-lymph-node-visualization-with-preoperative-lymphoscintigraphy
#6
Shipra Verma, Donna Taylor, Zeyad Al-Ogaili
OBJECTIVES: The use of preoperative image-guided lesion localization for impalpable breast cancer may interfere with lymphatic drainage and cause delayed or reduced visualization of sentinel lymph nodes (SLNs) on preoperative lymphoscintigraphy. The goal of this audit was to compare rates of SLN visualization in patients undergoing preoperative breast cancer localization with either Iodine 125 seeds (radio-guided occult lesion localization using Iodine 125 seeds, ROLLIS) or hook wire and those with palpable lesions where no localization was required...
July 7, 2020: Nuclear Medicine Communications
https://read.qxmd.com/read/32649428/evaluating-the-image-quality-of-monoenergetic-images-from-dual-energy-computed-tomography-with-low-concentration-and-low-flow-rate-contrast-media-for-the-arterials-supply-to-the-nipple-areola-complex-in-breast-cancer-compared-with-conventional-computed-tomography
#7
Xiangfei Zeng, Xiaoxia Wang, Huifang Chen, Daihong Liu, Jinfang Shi, Jing Zhang, Xiaoqin Li, Liyin Zhang, Yi Yang, Jiuquan Zhang
OBJECTIVE: The objective of this study was to evaluate the image quality of monoenergetic images (MEIs (+)) acquired from dual-energy computed tomography with low-concentration and low-flow-rate contrast media for the arterial supply to the nipple-areola complex (NAC) in breast cancer compared with conventional computed tomography angiography (CTA). METHODS: We enrolled 25 patients (MEI (+)300 group, 300 mg/mL and 2.5 mL/s of contrast media) and 23 patients (CTA370 group, 370 mg/mL and 3...
July 6, 2020: Journal of Computer Assisted Tomography
https://read.qxmd.com/read/32649369/pdpamn-inhibits-fatty-acid-synthase-mediated-glycolysis-by-down-regulating-pi3k-akt-signaling-pathway-in-breast-cancer
#8
Eric Achiborebador Okrah, Qiang Wang, Hexiu Fu, Qiuyun Chen, Jing Gao
BACKGROUND: Novel manganese complex, PdpaMn ([(Pdpa)MnCl2]), was developed to induce apoptosis in breast cancer cells. The impact of phosphoinositide-(3)-kinase pathway onto fatty acid synthase (FASN) has an effect on cellular metabolism in breast cancer. However, reverse actions from FASN towards PI3K/Akt are still indefinable. Perhaps, loss of FASN could regulate glycolysis. Previously we established that PdpaMn inhibits FASN and involve in mitochondrial function. This study investigated the activity of PdpaMn on glycolysis and its mechanism...
July 8, 2020: Anti-cancer Drugs
https://read.qxmd.com/read/32649314/il-22-promotes-tumor-growth-of-breast-cancer-cells-in-mice
#9
Ying Zhang, Cong Liu, Jun Gao, Siqi Shao, Yingying Cui, Songlou Yin, Bin Pan
Increased interleukin-22 (IL-22) level was reported to associate with progression of breast cancer. Regulation of IL-22 in breast cancer still needs to be elucidated. We assessed the effect of giving IL-22 in tumor growth of mice inoculated with 4T1, MCF7 and MDA-MB-231 breast cancer cells. IL-22-producing cells were analyzed in tumor tissues. We also analyzed the impact of giving IL-1β and IL-23 on IL-22 levels in tumor tissues. Giving exogenous IL-22 increased tumor size and intra-tumor Ki-67-positive cells in vivo ...
July 10, 2020: Aging
https://read.qxmd.com/read/32649310/subtype-specific-risk-models-for-accurately-predicting-the-prognosis-of-breast-cancer-using-differentially-expressed-autophagy-related-genes
#10
Baoai Han, He Zhang, Yuying Zhu, Xingxing Han, Zhiyong Wang, Zicong Gao, Yue Yuan, Ruinan Tian, Fei Zhang, Ruifang Niu
Emerging evidence suggests that the dysregulation of autophagy-related genes (ARGs) is coupled with the carcinogenesis and progression of breast cancer (BRCA). We constructed three subtype-specific risk models using differentially expressed ARGs. In Luminal, Her-2, and Basal-like BRCA, four- ( BIRC5 , PARP1 , ATG9B , and TP63 ), three- ( ITPR1 , CCL2 , and GAPDH ), and five-gene ( PRKN , FOS , BAX , IFNG , and EIF4EBP1 ) risk models were identified, which all have a receiver operating characteristic > 0...
July 10, 2020: Aging
https://read.qxmd.com/read/32649240/patient-reported-cosmetic-outcome-after-vacuum-assisted-excision-of-benign-breast-lesions-a-cross-sectional-study
#11
Elles M F van de Voort, Taco M A L Klem, Gerson M Struik, Erwin Birnie, Renata H J A Sinke, Ali Ghandi
OBJECTIVE: Better cosmetic outcome after vacuum assisted excision (VAE) compared to surgical excision of benign breast lesions is suggested in previous studies but has never been evaluated with validated outcome measures. In this study patient reported cosmetic outcome after VAEwas evaluated. METHODS: Patients who underwent VAE between July 2017 and December 2018 were invited to complete the cosmetic subscale of the Dutch Breast Cancer Treatment Outcome Scale, comparing the treated with the untreated breast...
July 10, 2020: British Journal of Radiology
https://read.qxmd.com/read/32649211/triple-negative-breast-cancer-cells-exhibit-differential-sensitivity-to-cardenolides-from-calotropis-gigantea
#12
Petra J Pederson, Shengxin Cai, Chase Carver, Douglas R Powell, April L Risinger, Tanja Grkovic, Barry R O'Keefe, Susan L Mooberry, Robert H Cichewicz
Triple-negative breast cancers (TNBC) are aggressive and heterogeneous cancers that lack targeted therapies. We implemented a screening program to identify new leads for subgroups of TNBC using diverse cell lines with different molecular drivers. Through this program, we identified an extract from Calotropis gigantea that caused selective cytotoxicity in BT-549 cells as compared to four other TNBC cell lines. Bioassay-guided fractionation of the BT-549 selective extract yielded nine cardenolides responsible for the selective activity...
July 10, 2020: Journal of Natural Products
https://read.qxmd.com/read/32649050/should-uncertainty-concerning-the-risk-of-malignancy-be-included-in-diagnostic-nongynecologic-cytopathology-reports
#13
REVIEW
David N Poller, Fernando Schmitt
In diagnostic cytology, the known site-specific false positive rates at various anatomical sites for the risk malignancy (ROM) when a confirmed malignant diagnosis is made are comparatively well documented. ROM figures for diagnostic cytology specimens may vary according to the anatomical site of the specimen, the exact nature of the specimen received, the staining method(s) used, and the use of additional laboratory techniques including molecular profiling; furthermore, they often differ to some extent from institution to institution, between differing cytologists within the same institution, and over time...
July 10, 2020: Cancer Cytopathology
https://read.qxmd.com/read/32649035/development-and-validation-of-a-novel-15-cpg-based-signature-for-predicting-prognosis-in-triple-negative-breast-cancer
#14
Yang Peng, Lin Shui, Jian Xie, Shengchun Liu
DNA methylation is an important biological regulatory mechanism that changes gene expression without altering the DNA sequence. Increasing studies have revealed that DNA methylation data play a vital role in the field of oncology. However, the methylation site signature in triple-negative breast cancer (TNBC) remains unknown. In our research, we analysed 158 TNBC samples and 98 noncancerous samples from The Cancer Genome Atlas (TCGA) in three phases. In the discovery phase, 86 CpGs were identified by univariate Cox proportional hazards regression (CPHR) analyses to be significantly correlated with overall survival (P < 0...
July 10, 2020: Journal of Cellular and Molecular Medicine
https://read.qxmd.com/read/32648979/productivity-costs-associated-with-metastatic-breast-cancer-in-younger-midlife-and-older-women
#15
Justin G Trogdon, Xuejun Liu, Katherine E Reeder-Hayes, Jason Rotter, Donatus U Ekwueme, Stephanie B Wheeler
BACKGROUND: The objective of the current study was to estimate productivity costs due to metastatic breast cancer (mBC) via productive time lost among survivors and potential life-years lost from premature mortality among 3 age groups: younger (aged 18-44 years), midlife (aged 45-64 years), and older (aged ≥65 years) women. METHODS: The authors estimated the number of work and home productivity days missed due to mBC by age group using data from the 2000 to 2016 National Health Interview Survey...
July 10, 2020: Cancer
https://read.qxmd.com/read/32648934/in-vitro-vascularized-tumor-platform-for-modeling-tumor-vasculature-interactions-of-inflammatory-breast-cancer
#16
Manasa Gadde, Caleb Phillips, Neda Ghousifam, Anna G Sorace, Enoch Wong, Savitri Krishnamurthy, Anum Syed, Omar Rahal, Thomas E Yankeelov, Wendy A Woodward, Marissa Nichole Rylander
Inflammatory breast cancer (IBC), a rare form of breast cancer associated with increased angiogenesis and metastasis, is largely driven by tumor-stromal interactions with the vasculature and the extracellular matrix (ECM). However, there is currently a lack of understanding of the role these interactions play in initiation and progression of the disease. In this study, we developed the first three-dimensional, in vitro, vascularized, microfluidic IBC platform to quantify the spatial and temporal dynamics of tumor-vasculature and tumor-ECM interactions specific to IBC...
July 10, 2020: Biotechnology and Bioengineering
https://read.qxmd.com/read/32648844/isothymusin-a-potential-inhibitor-of-cancer-cell-proliferation-an-in-silico-and-in-vitro-investigation
#17
Shilpi Singh, Priyanka Kumari, Yusuf Hussain, Suaib Luqman, Abha Meena, Deepika Kanaojia
BACKGROUND: Since centuries plant-based compounds are known for the treatment of cancer in both traditional and contemporary medicine. The problems like target non-specificity and toxicity are well-known regarding anticancer drugs. Therefore, target specific search of novel entities is constant. Isothymusin is a dimethoxy, trihydroxy flavone present in plants like Ocimum sanctum, Limnophilla geoffrayi. There are limited reports available on the anticancer potential of isothymusin. OBJECTIVES: The efficacy of isothymusin on redox status, cell cytotoxicity, and targets involved in the promotion and progression of the cancer cells have been investigated...
July 9, 2020: Current Topics in Medicinal Chemistry
https://read.qxmd.com/read/32648792/ratite-oils-for-local-transdermal-therapy-of-4-oh-tamoxifen-development-characterization-and-ex-vivo-evaluation
#18
Usha Sundralingam, Saravanan Muniyandy, Ammu K Radhakrishnan, Uma D Palanisamy
The anti-inflammatory property of ratite oils as well as its ability to act as a penetration enhancer makes it an ideal agent to be used in transdermal formulations. The present study aims to develop an effective transfersomal delivery of 4-hydroxytamoxifen, an anti-cancer drug, using ratite oil as a carrier agent for the treatment of breast cancer. The 4-hydroxytamoxifen transfersomes were prepared with and without ratite oils using soy phosphatidylcholine and three different edge activators in five different molar ratios using the rotary evaporation-ultrasonication method...
July 10, 2020: Journal of Liposome Research
https://read.qxmd.com/read/32648787/postmenopausal-hormone-therapy-in-brca-gene-mutation-carriers-to-whom-and-which
#19
Giovanni Grandi, Martina Caroli, Laura Cortesi, Angela Toss, Giovanni Tazzioli, Fabio Facchinetti
INTRODUCTION: Risk-reducing-salpingo-oophorectomy (RRSO) inevitably leads BRCA mutation carriers to premature menopause. AREAS COVERED: To evaluate the existing evidence for use of postmenopausal hormone therapy (HT) in BRCAmc, after RRSO or menopause occurring naturally, for both breast cancer (BC) survivors and those without BC. EXPERT OPINION: All BC survivors are excluded from any HT treatment: in other BRCAmc, before 51 years of age the benefits of HT overcome the risks after RRSO and/or premature ovarian insufficiency (POF)...
July 10, 2020: Expert Opinion on Drug Safety
https://read.qxmd.com/read/32648654/3d-microenvironment-stiffness-regulates-tumor-spheroid-growth-and-mechanics-via-p21-and-rock
#20
Anna V Taubenberger, Salvatore Girardo, Nicole Träber, Elisabeth Fischer-Friedrich, Martin Kräter, Katrin Wagner, Thomas Kurth, Isabel Richter, Barbara Haller, Marcus Binner, Dominik Hahn, Uwe Freudenberg, Carsten Werner, Jochen Guck
The mechanical properties of cancer cells and their microenvironment contribute to breast cancer progression. While mechanosensing has been extensively studied using 2D substrates, much less is known about it in a physiologically more relevant 3D context. Here it is demonstrated that breast cancer tumor spheroids, growing in 3D polyethylene glycol-heparin hydrogels, are sensitive to their environment stiffness. During tumor spheroid growth, compressive stresses of up to 2 kPa build up, as quantitated using elastic polymer beads as stress sensors...
September 2019: Advanced Biosystems
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