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https://www.readbyqxmd.com/read/29458160/gambogic-acid-sensitizes-breast-cancer-cells-to-trail-induced-apoptosis-by-promoting-the-crosstalk-of-extrinsic-and-intrinsic-apoptotic-signalings
#1
Shengpeng Wang, Yingqi Xu, Chenyang Li, Hongxun Tao, Anqi Wang, Chenyu Sun, Zhangfeng Zhong, Xu Wu, Peng Li, Yitao Wang
Due to the ability of tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) to induce cancer cell apoptosis selectively, TRAIL has attracted significant interest in the treatment of cancer. However, although TRAIL triggers apoptosis in a broad range of cancer cells, most primary cancers are often intrinsically TRAIL-resistant, or acquire resistance after TRAIL treatment, evocating new strategies to overcome TRAIL resistance. Gambogic acid (GA), an active constituent of Garcinia Hanburyi (Teng Huang in Chinese), has been applied for thousands of years for medicinal uses, however, the potential effect of GA in combating cancer resistance remains poorly investigated...
February 16, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29458110/investigation-of-adhesive-interactions-in-the-specific-targeting-of-triptorelin-conjugated-peg-coated-magnetite-nanoparticles-to-breast-cancer-cells
#2
Jingjie Hu, Sina Youssefian, John Obayemi, Karen Malatesta, Nima Rahbar, Winston Soboyejo
The understanding of adhesive interaction at the nanoscale between functionalized nanoparticles and biological cells is of great importance to develop effective theranostic nanocarriers for targeted cancer therapy. Here, we report a combination of experimental and computational approaches to evaluate the adhesion between Triptorelin (a Luteinizing Hormone-Releasing Hormone (LHRH) agonist)-conjugated poly-(ethylene glycol) (PEG)-coated magnetite nanoparticles (Triptorelin-MNPs) and breast cells. The adhesion forces between Triptorelin-MNPs and normal/cancerous breast cells are obtained using atomic force microscopy...
February 16, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29458049/a-comprehensive-brca1-2-ngs-pipeline-for-an-immediate-copy-number-variation-cnv-detection-in-breast-and-ovarian-cancer-molecular-diagnosis
#3
Paola Concolino, Roberta Rizza, Flavio Mignone, Alessandra Costella, Donatella Guarino, Ilaria Carboni, Ettore Capoluongo, Concetta Santonocito, Andrea Urbani, Angelo Minucci
No abstract text is available yet for this article.
February 16, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29458045/aldose-reductase-inhibitor-fidarestat-prevents-doxorubicin-induced-endothelial-cell-death-and-dysfunction
#4
Himangshu Sonowal, Pabitra Pal, Kirtikar Shukla, Ashish Saxena, Satish K Srivastava, Kota V Ramana
Despite doxorubicin (Dox) being one of the most widely used chemotherapy agents for breast, blood and lung cancers, its use in colon cancer is limited due to increased drug resistance and severe cardiotoxic side effects that increase mortality associated with its use at high doses. Therefore, better adjuvant therapies are warranted to improve the chemotherapeutic efficacy and to decrease cardiotoxicity. We have recently shown that aldose reductase inhibitor, fidarestat, increases the Dox-induced colon cancer cell death and reduces cardiomyopathy...
February 16, 2018: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29457953/from-nurse-to-service-user-a-personal-cancer-narrative
#5
Anneyce Knight
This article presents a snapshot of my experience of being a nurse who became a service user with breast cancer. It begins by outlining the Humanization of Healthcare Framework ( Todres et al, 2009 ), which is a values-based context that can be used to underpin daily care. Generic applications for each of the dimensions of the framework are suggested. This framework is then used to contextualise my experience of receiving my diagnosis and the ensuing chemotherapy. Using examples from my personal narrative, I make some recommendations for 'small actions' that can contribute to more humanised and person-centred care...
February 22, 2018: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29457947/supporting-patients-with-breast-cancer-through-communication-and-research
#6
Helen Mitchell
No abstract text is available yet for this article.
February 22, 2018: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29457937/support-with-nutrition-for-women-receiving-chemotherapy-for-breast-cancer
#7
Fiona Gilmour, Anne Williams
Nurses are in a unique position to provide nutritional advice and information to women with breast cancer who are undergoing chemotherapy, supporting them with making decisions regarding nutrition and diet. This narrative review evaluated the research evidence relating to the nutritional challenges experienced during chemotherapy and the most effective approaches for supporting women in dietary choice. Weight gain was identified as a specific problem for women undergoing chemotherapy. The evidence indicated that information about nutrition and food preparation support may go some way in assisting women to overcome some of the nutrition-related difficulties experienced during chemotherapy treatment for breast cancer...
February 22, 2018: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29457930/nano-loaded-human-umbilical-cord-mesenchymal-stem-cells-as-targeted-carriers-of-doxorubicin-for-breast-cancer-therapy
#8
Shunxiu Cao, Jiamin Guo, Yujing He, Murad Alahdal, Shanshan Tang, Yuekui Zhao, Zhaocong Yang, Huashan Gao, Wenjun Hu, Hulin Jiang, Lianju Qin, Liang Jin
The main challenge of anticancer drugs is poor tumor targeting. Now cellular carriers are widely investigated to deliver anticancer agents. As an ideal cellular candidate, human umbilical cord derived mesenchymal stem cells (hUC-MSCs) possess inherent tropism potential to tumor. Here, we constructed hUC-MSCs carrying transferrin-inspired-nanoparticles that contain doxorubicin(hUC-MSCs-Tf-inspired-NPs) to achieve enhanced anti-tumor efficacy and made an evaluation. Results represented that hUC-MSCs-Tf-inspired-NPs not only exhibit the controlled-release property of Tf-inspired-NPs, but also integrate tumor tropism and penetrative abilities of MSCs...
February 19, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29457921/ribociclib-for-the-treatment-of-hormone-receptor-positive-human-epidermal-growth-factor-receptor-2-negative-advanced-breast-cancer
#9
Howard A Burris
The emergence of cyclin-dependent kinases 4 and 6 (CDK4/6) inhibitors marked a significant advancement in the treatment of advanced breast cancer. Ribociclib is an orally bioavailable, highly selective inhibitor of CDK4/6. In combination with various endocrine therapies, ribociclib has demonstrated clinical activity as a first-line therapy for patients with HR+, HER2- advanced breast cancer, without compromising the favorable toxicity profile associated with endocrine therapy. Thus, ribociclib is now considered a new standard of care for HR+, HER2- advanced breast cancer...
March 2018: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/29457735/bio-guided-isolation-of-centaurea-bruguierana-subsp-belangerana-cytotoxic-components
#10
Golnoush Mirzahosseini, Azadeh Manayi, Mahnaz Khanavi, Maliheh Safavi, Ali Salari, Alireza Madjid Ansari, Hassan San'ati, Mahdi Vazirian
Centaurea bruguierana subsp. belangerana was extracted by 80% ethanol. The total extract was then partitioned into four fractions including chloroform, ethyl acetate and methanol. Cytotoxic effect of fractions was examined by MTT assay in K562 (chronic myelogenous leukemia), AGS (gastric adenocarcinoma), MCF-7 (breast adenocarcinoma) and SW742 (colon adenocarcinoma) cell lines. The Chloroform fraction, with the lowest LC50 against K-562 cell lines, was partitioned into 14 subfractions and subjected to further purification by reversed-phase (C18) silica gel and sephadex LH-20 column chromatography...
February 19, 2018: Natural Product Research
https://www.readbyqxmd.com/read/29457709/hybrid-donor-acceptor-polymer-particles-with-amplified-energy-transfer-for-detection-and-on-demand-treatment-of-breast-cancer
#11
Elizabeth G Graham-Gurysh, Sneha Kelkar, Eleanor McCabe-Lankford, Narayanan Kuthirummal, Theodore Brown, Nancy Kock, Aaron M Mohs, Nicole Levi-Polyachenko
Judicious combination of semiconducting polymers with alternating electron donor (D) and acceptor (A) segments created hybrid nanoparticles with amplified energy transfer and red-shifted emission, while simultaneously providing photothermal capabilities. Hybrid D-A polymer particles (H-DAPPs) passively localized within orthotopic breast tumors, serving as bright fluorescent beacons. Laser stimulation induced heat generation on par with gold nanorods, resulting in selective destruction of the tumor. H-DAPPs can also undergo multiple thermal treatments, with no loss of fluorescence intensity or photothermal potential...
February 19, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29457684/poorly-differentiated-neuroendocrine-carcinoma-of-the-breast-with-merkel-cell-features
#12
Emily L Albright, Matthew E Keeney, Amani Bashir, Ronald J Weigel
Neuroendocrine carcinoma of the breast is a rare tumor subtype comprising less than 1% of breast cancers in the United States. Merkel cell features within this rare subtype are even rarer. We report a neuroendocrine breast carcinoma with Merkel cell features. The patient underwent breast conservation therapy and a sentinel lymph node biopsy. Unfortunately, the tumor was extremely aggressive and at 5 weeks postoperatively she presented with widely metastatic disease. Due to the aggressive nature of this tumor, we reviewed the literature and treatment options for this rare variant of a rare subtype...
February 19, 2018: Breast Journal
https://www.readbyqxmd.com/read/29457630/combination-drug-delivery-via-multilamellar-vesicles-enables-targeting-of-tumor-cells-and-tumor-vasculature
#13
Yarong Liu, Yu Jeong Kim, Natnaree Siriwon, Jennifer A Rohrs, Zhiqiang Yu, Pin Wang
Blood vessel development is critical for the continued growth and progression of solid tumors and, therefore, makes an attractive target for improving cancer therapy. Indeed, vascular-targeted therapies have been extensively explored but they have shown minimal efficacy as monotherapies. Combretastatin A4 (CA-4) is a tubulin-binding vascular disrupting agent that selectively targets the established tumor endothelium, causing rapid vascular beak down. Despite its potent anticancer potential, the drug has dose-limiting side effects, particularly in the form of cardiovascular toxicity...
February 19, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29457215/the-effect-of-anaesthetic-technique-during-primary-breast-cancer-surgery-on-neutrophil-lymphocyte-ratio-platelet-lymphocyte-ratio-and-return-to-intended-oncological-therapy
#14
A Ní Eochagáin, D Burns, B Riedel, D I Sessler, D J Buggy
Inflammation and immunosuppression contribute to the pathogenesis of cancer. An increased neutrophil-lymphocyte ratio reflects these processes and is associated with adverse cancer outcomes. Whether anaesthetic technique for breast cancer surgery influences these factors, and potentially cancer recurrence, remains unknown. We conducted a secondary analysis in patients enrolled in an ongoing trial of anaesthetic technique on breast cancer recurrence. The primary hypothesis was that postoperative neutrophil-lymphocyte ratio is lower in patients allocated to receive propofol-paravertebral rather than inhalational agent-opioid anaesthesia for primary breast cancer surgery...
February 19, 2018: Anaesthesia
https://www.readbyqxmd.com/read/29457002/early-dietary-patterns-and-microbiota-development-still-a-way-to-go-from-descriptive-interactions-to-health-relevant-solutions
#15
REVIEW
Patricia Iozzo, Elena Sanguinetti
Early nutrition and growth in the initial years of life are important determinants of later body weight and metabolic health in humans, and the current epidemic of obesity involving children requires a better understanding of causal and protective mechanisms and components in infant foods. This review focuses on recent evidence implicating feeding modes (e.g., breast milk and formula milk) and dietary transitions toward complementary foods in the progression of microbiota maturation in children. The literature exploring body weight outcomes of microbiota changes induced by diet in early life is limited...
2018: Frontiers in Nutrition
https://www.readbyqxmd.com/read/29456844/an-efficient-biomarker-panel-for-diagnosis-of-breast-cancer-using-surface-enhanced-laser-desorption-ionization-time-of-flight-mass-spectrometry
#16
Turkan Yigitbasi, Gizem Calibasi-Kocal, Nihal Buyukuslu, Murat Kemal Atahan, Hakan Kupeli, Seyran Yigit, Ercument Tarcan, Yasemin Baskin
Breast cancer (BC) is the most frequently diagnosed cancer that affects women worldwide. Early detection of BC is important to improve survival rates and decrease mortality. The aim of the present study was to investigate serum biomarkers using surface-enhanced laser desorption ionization time-of-flight mass spectrometry (SELDI-TOF-MS) to distinguish patients with BC from the healthy population and patients with benign breast diseases (BBDs). A total of 62 patients with invasive ductal carcinoma, as confirmed by histopathology, and 47 non-cancerous individuals (NCIs) [16 healthy controls (HCs) and 31 patients with BBD] were enrolled in the present study...
March 2018: Biomedical Reports
https://www.readbyqxmd.com/read/29456806/women-with-hereditary-breast-cancer-predispositions-should-avoid-using-their-smartphones-tablets-and-laptops-at-night
#17
EDITORIAL
Seyed Ali Reza Mortazavi, Seyed Mohammad Javad Mortazavi
Breast cancer is the most common malignancy among women, both in the developed and developing countries. Women with mutations in the BRCA1 and BRCA2 genes have an increased risk of breast and ovarian cancers. Recent studies show that short-wavelength visible light disturb the secretion of melatonin and causes circadian rhythm disruption. We have previously studied the health effects of exposure to different levels of radiofrequency electromagnetic fields (RF-EMFs) such as mobile phones, mobile base stations, mobile phone jammers, laptop computers, and radars...
February 2018: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29456740/an-obligatory-anaerobic-salmonella-typhimurium-strain-redirects-m2-macrophages-to-the-m1-phenotype
#18
Mei Yang, Juan Xu, Qi Wang, An-Qin Zhang, Kun Wang
A genetically engineered Salmonella typhimurium strain that may be applied in the medically useful therapeutic strategy of using bacterial agents to target breast cancer in a tumor-bearing nude mouse model has been previously reported. Furthermore, immune cell accumulation in breast tumor types has been observed, particularly distributed in regions surrounding the bacteria. M2 macrophages are associated with breast cancer aggressiveness, whereas M1 macrophages are prone to devouring bacteria and killing cancer cells...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456723/mir-96-promotes-breast-cancer-metastasis-by-suppressing-mtss1
#19
Wei Xie, Feng Sun, Lin Chen, Xinjian Cao
Novel, non-invasive biomarkers with high sensitivity and specificity are critical for breast cancer treatment, and prognosis. MicroRNA (miR)-96 has been demonstrated to be highly expressed in several solid malignancies, including breast cancer. However, its expression and function in the metastasis and prognosis of breast cancer have not been fully explored, and its regulation mechanisms remain unclear. In the present study, the serum miR-96 expression in healthy controls, benign and malignant breast cancer types was compared by using reverse transcription-quantitative polymerase chain reaction...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29456719/estrogen-receptor-%C3%AE-promoter-methylation-is-a-biomarker-for-outcome-prediction-of-cisplatin-resistance-in-triple-negative-breast-cancer
#20
Junnan Xu, Tao Sun, Xiangyu Guo, Yan Wang, Mingxi Jing
A number of previous studies have indicated the presence of a link between estrogen receptor-α (ERα) methylation and triple-negative breast cancer (TNBC). However, the association between ERα methylation and drug resistance during the treatment of TNBC remains unclear. Methylation-specific polymerase chain reaction was used to investigate the methylation of ERα in the genomic DNA of 35 patients with TNBC who were defined as cisplatin-based chemotherapy-resistant using chemosensitivity testing. Survival probabilities by covariates were assessed using Kaplan-Meier estimator survival analysis and Cox's proportional hazards models, adjusting for age, menopausal status, tumor size, lymph node metastasis and ERα promoter DNA methylation...
March 2018: Oncology Letters
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