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https://www.readbyqxmd.com/read/28641369/markers-of-inflammation-and-incident-breast-cancer-risk-in-the-women-s-health-study
#1
Deirdre K Tobias, Akintunde O Akinkuolie, Paulette D Chandler, Patrick R Lawler, JoAnn E Manson, Julie E Buring, Paul M Ridker, Lu Wang, I-Min Lee, Samia Mora
Chronic inflammation may be a risk factor for breast cancer development and progression, yet which inflammatory biomarkers and pathways are relevant is unknown. The study included 27,071 Women's Health Study participants (mean, 54.5 years old) free of cancer and cardiovascular disease at enrollment (1992 to 1995) with baseline measures of four inflammatory biomarkers: high sensitivity C-reactive protein (hsCRP), fibrinogen, N-acetyl side-chains of acute phase proteins (GlycA), and soluble intercellular adhesion molecule-1 (sICAM-1)...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641315/sequential-vs-concurrent-epirubicin-and-docetaxel-as-adjuvant-chemotherapy-for-high-risk-node-negative-early-breast-cancer-an-interim-analysis-of-a-randomised-phase-iii-study-from-the-hellenic-oncology-research-group
#2
Dimitrios Mavroudis, Emmanouil Saloustros, Ioannis Boukovinas, Pavlos Papakotoulas, Stylianos Kakolyris, Nikolaos Ziras, Charalampos Christophylakis, Nikolaos Kentepozidis, Georgios Fountzilas, Georgios Rigas, Ioannis Varthalitis, Konstantinos Kalbakis, Sofia Agelaki, Dora Hatzidaki, Vasilios Georgoulias
BACKGROUND: Sequential anthracyclines and taxanes are standard adjuvant chemotherapy for patients with high-risk axillary node-positive breast cancer. We compared a sequential to a concurrent regimen in high-risk node-negative early breast cancer. METHODS: Patients were eligible if they had tumours >2 cm or T1c with two of the following characteristics: no oestrogen receptor (ER) and progesterone receptor (PR) expression, histological grade III, Ki67 >40% and vascular, lymphovascular or perineural invasion...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641309/sequential-versus-concurrent-chemotherapy-for-adjuvant-breast-cancer-does-dose-intensity-matter
#3
EDITORIAL
N LeVasseur, S K Chia
No abstract text is available yet for this article.
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641308/detection-of-phosphatidylserine-positive-exosomes-for-the-diagnosis-of-early-stage-malignancies
#4
Raghava Sharma, Xianming Huang, Rolf A Brekken, Alan J Schroit
BACKGROUND: There has been increasing interest in the detection of tumour exosomes in blood for cancer diagnostics. Most studies have focussed on miRNA and protein signatures that are surrogate markers for specific tumour types. Because tumour cells and tumour-derived exosomes display phosphatidylserine (PS) in their outer membrane leaflet, we developed a highly sensitive ELISA-based system that detects picogram amounts of exosomal phospholipid in plasma as a cancer biomarker. METHODS: This report describes the development of a highly specific and sensitive ELISA for the capture of PS-expressing tumour exosomes in the blood of tumour-bearing mice...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28641156/mild-c-sp-3-h-functionalization-of-dihydrosanguinarine-and-dihydrochelerythrine-for-development-of-highly-cytotoxic-derivatives
#5
Adriana Romo-Pérez, Luis Demetrio Miranda, Alma D Chávez-Blanco, Alfonso Dueñas-González, María Del Rayo Camacho-Corona, Alejandrina Acosta-Huerta, Abraham García
A series of C(6)-substituted dihydrobenzo[c]phenanthridines were synthesized by mild copper-catalyzed C(sp(3))-H functionalization of dihydrosanguinarine (2) and dihydrochelerythrine (3) with certain nucleophiles selected to enhance cytotoxicity against human breast, colorectal, and prostate cancer cell lines. We also investigated the cytotoxicity of our previously reported C(6)-functionalized N-methyl-5,6-dihydrobenzo[c]phenanthridines 1a-1e to perform structure-activity relationship (SAR) studies. Among the target compounds, five β-aminomalonates (1a, 1b, 2a, 2b, and 3b), one α-aminophosphonate (2c), and one nitroalkyl derivative (2h) exhibited half maximal inhibitory concentration (IC50) values in the range of 0...
June 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28641155/depression-and-cancer-risk-a-systematic-review-and-meta-analysis
#6
REVIEW
Y Jia, F Li, Y F Liu, J P Zhao, M M Leng, L Chen
OBJECTIVE: To assess the associations between depression and incident cancer risk. STUDY DESIGN: Systematic review and meta-analysis. METHODS: The Cochrane Library, Web of Science, MEDLINE, and PubMed databases were searched to identify studies. The quality of included studies was assessed using the Newcastle Ottawa Scale. Risk ratios (RRs) were used to measure effect size. A random-effects model was applied to synthesize the associations between depression and cancer risk...
June 19, 2017: Public Health
https://www.readbyqxmd.com/read/28640864/targeting-breast-cancer-cells-by-mrs1477-a-positive-allosteric-modulator-of-trpv1-channels
#7
Mustafa Nazıroğlu, Bilal Çiğ, Walter Blum, Csaba Vizler, Andrea Buhala, Annamária Marton, Róbert Katona, Katalin Jósvay, Beat Schwaller, Zoltán Oláh, László Pecze
There is convincing epidemiological and experimental evidence that capsaicin, a potent natural transient receptor potential cation channel vanilloid member 1 (TRPV1) agonist, has anticancer activity. However, capsaicin cannot be given systemically in large doses, because of its induction of acute pain and neurological inflammation. MRS1477, a dihydropyridine derivative acts as a positive allosteric modulator of TRPV1, if added together with capsaicin, but is ineffective, if given alone. Addition of MRS1477 evoked Ca2+ signals in MCF7 breast cancer cells, but not in primary breast epithelial cells...
2017: PloS One
https://www.readbyqxmd.com/read/28640828/bovine-leukemia-virus-linked-to-breast-cancer-in-australian-women-and-identified-before-breast-cancer-development
#8
Gertrude C Buehring, HuaMin Shen, Daniel A Schwartz, James S Lawson
Bovine leukemia virus (BLV), a common virus of cattle globally, was believed for decades not to infect humans. More recent techniques (in situ PCR and DNA sequencing) enabled detection of BLV in human breast tissue, and determination of its significant association with breast cancer in a US population. Using similar techniques to study 96 Australian women, we report here detection of retrotranscribed BLV DNA in breast tissue of 40/50(80%) of women with breast cancer versus 19/46(41%) of women with no history of breast cancer, indicating an age-adjusted odds ratio and confidence interval of 4...
2017: PloS One
https://www.readbyqxmd.com/read/28640693/evaluation-of-screening-us-detected-breast-masses-by-combined-use-of-elastography-and-color-doppler-us-with-b-mode-us-in-women-with-dense-breasts-a-multicenter-prospective-study
#9
Su Hyun Lee, Jin Chung, Hye Young Choi, Seon Hyeong Choi, Eun Bi Ryu, Kyung Hee Ko, Hye Ryoung Koo, Jeong Seon Park, Ann Yi, Ji Hyun Youk, Eun Ju Son, A Jung Chu, Jung Min Chang, Nariya Cho, Myoung-Jin Jang, Shin Ho Kook, Eun Suk Cha, Woo Kyung Moon
Purpose To investigate the value of the combined use of elastography and color Doppler ultrasonography (US) with B-mode US for evaluation of screening US-detected breast masses in women with dense breasts. Materials and Methods This prospective, multicenter study included asymptomatic women with dense breasts who were referred for screening US between November 2013 and December 2014. Eligible women had a newly detected breast mass at conventional B-mode US screening, for which elastography and color Doppler US were performed...
June 21, 2017: Radiology
https://www.readbyqxmd.com/read/28640659/phlda1-pleckstrin-homology-like-domain-family-a-member-1-knockdown-promotes-migration-and-invasion-of-mcf10a-breast-epithelial-cells
#10
Naieli Bonatto, Maria José Carlini, Simone Aparecida de Bessa Garcia, Maria Aparecida Nagai
PHLDA1 (pleckstrin homology-like domain, family A, member 1) is a multifunctional protein that plays distinct roles in several biological processes including cell death and therefore its altered expression has been identified in different types of cancer. Progressively loss of PHLDA1 was found in primary and metastatic melanoma while its overexpression was reported in intestinal and pancreatic tumors. Previous work from our group showed that negative expression of PHLDA1 protein was a strong predictor of poor prognosis for breast cancer disease...
June 22, 2017: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/28640590/chlorin-e6-functionalized-theranostic-multistage-nanovectors-transported-by-stem-cells-for-effective-photodynamic-therapy
#11
Simo Näkki, Jonathan Martinez, Michael Evangelopoulos, Wujun Xu, Vesa-Pekka Lehto, Ennio Tasciotti
Approaches to achieve site-specific and targeted delivery that provide an effective solution to reduce negative, off target side-effects are urgently needed for cancer therapy. Here, we utilized a Trojan horse-like strategy to carry photosensitizer Chlorin e6 conjugated porous silicon multistage nanovectors with tumor homing mesenchymal stem cells for targeted photodynamic therapy and diagnosis. The inherent versatility of multistage nanovectors permitted the conjugation of photosensitizers to enable precise cell death induction (60%) upon photodynamic therapy, while simultaneously retaining the loading capacity to load various payloads, such as antitumor drugs and diagnostic nanoparticles...
June 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28637287/pooled-analysis-of-two-randomized-double-blind-trials-comparing-proposed-biosimilar-la-ep2006-with-reference-pegfilgrastim-in-breast-cancer
#12
K Blackwell, P Gascon, C M Jones, A Nixon, A Krendyukov, R Nakov, Y Li, N Harbeck
NCT01735175, NCT01516736.
June 16, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28637226/epidemiologic-risk-factors-for-in-situ-and-invasive-breast-cancer-among-postmenopausal-women-in-the-nih-aarp-diet-and-health-study
#13
Maeve Mullooly, Zeina G Khodr, Cher M Dallal, Sarah J Nyante, Mark E Sherman, Roni Falk, Linda M Liao, Jeffrey Love, Louise A Brinton, Gretchen L Gierach
Comparing risk factor associations between invasive breast cancers and possible precursors may further understanding of factors related to initiation versus progression. Accordingly, among 190,325 postmenopausal participants in the National Institutes of Health-AARP Diet and Health Study (1995-2011), we compared risk factor associations between incident ductal carcinoma in situ (DCIS: n = 1,453) and invasive ductal carcinomas (n = 7,525) and lobular carcinoma in situ (LCIS: n = 186) and invasive lobular carcinomas (n = 1,191)...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637134/an-exploratory-qualitative-study-of-the-meaning-and-value-of-a-running-walking-program-for-women-after-a-diagnosis-of-breast-cancer
#14
Jennifer Brunet, Stephanie Saunders, Wendy Gifford, Roanne Thomas, Ryan Hamilton
PURPOSE: To generate insights into the personal meaning and value of a running/walking program for women after a diagnosis of breast cancer. METHODS: After completing a 12-week running/walking program with a 5-km training goal, eight women were interviewed and seven participated in a focus group. The interviews and focus group were audio-recorded and transcribed verbatim. Data were thematically analyzed. RESULTS: Data portrayed the personal benefits and value of the clinic...
February 10, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28637020/autophagy-related-genes-are-induced-by-histone-deacetylase-inhibitor-suberoylanilide-hydroxamic-acid-via-the-activation-of-cathepsin-b-in-human-breast-cancer-cells
#15
Han Han, Jing Li, Xiuyan Feng, Hui Zhou, Shanchun Guo, Weiqiang Zhou
Autophagy is involved in modulating tumor cell motility and invasion, resistance to epithelial-to-mesenchymal transition, anoikis, and escape from immune surveillance. We have previous shown that SAHA is capable to induce several apoptosis and autophagy-related gene expression in breast cancers. However, the exact mechanisms of autophagy activation in this context have not been fully identified. Our results showed that the expression and the activity of Cathepsin B (CTSB), one of the major lysosomal cysteine proteases, were significantly increased in MDA-MB- 231 and MCF-7 cells upon SAHA treatment...
June 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28637003/structural-recognition-of-tubulysin-b-derivatives-by-multidrug-resistance-efflux-transporters-in-human-cancer-cells
#16
Michal Stark, Yehuda G Assaraf
Multidrug resistance (MDR) is a major hindrance to curative chemotherapy of various human malignancies. Hence, novel chemotherapeutics must be evaluated for their recognition by MDR efflux transporters. Herein we explored the cytotoxic activity of synthetic tubulysin B (Tub-B, EC1009) derivatives (Tub-B-hydrazide/EC0347 and Tub-B bis-ether/EC1820), and their recognition by the MDR efflux transporters P-glycoprotein 1 (P-gp), multidrug resistance-associated protein 1 (MRP1) and breast cancer resistance protein (BCRP)...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636984/whether-low-dose-metronomic-oral-cyclophosphamide-improves-the-response-to-docetaxel-in-first-line-treatment-of-non-triple-negative-metastatic-breast-cancer
#17
Jian Zhang, Leiping Wang, Zhonghua Wang, Biyun Wang, Jun Cao, Fangfang Lv, Sheng Zhang, Zhimin Shao, Xichun Hu
Oral metronomic chemotherapy may target tumor cells indirectly via antiangiogenic activity, restoration of anticancer immune response, or induction of tumor dormancy. We initiated the single-center, randomized, open-label, phase II study to determine whether the addition of metronomic cyclophosphamide to docetaxel (T) (w/o trastuzumab) improves overall response rate (ORR) as first-line treatment among patients with non-triple-negative metastatic breast cancer (MBC). Eligible patients with previously untreated non-triple-negative MBC were randomly assigned (1:1) to receive 3-weekly cycles of Metro-TC (T 75mg/m2, d1 plus oral cyclophosphamide 50 mg daily) or T alone...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636973/amide-to-triazole-switch-vs-in-vivo-nep-inhibition-approaches-to-promote-radiopeptide-targeting-of-grpr-positive-tumors
#18
Theodosia Maina, Aikaterini Kaloudi, Ibai E Valverde, Thomas L Mindt, Berthold A Nock
INTRODUCTION: Radiolabeled bombesin (BBN)-analogs have been proposed for diagnosis and therapy of gastrin-releasing peptide receptor (GRPR)-expressing tumors, such as prostate, breast and lung cancer. Metabolic stability represents a crucial factor for the success of this approach by ensuring sufficient delivery of circulating radioligand to tumor sites. The amide-to-triazole switch on the backbone of DOTA-PEG4-[Nle(14)]BBN(7-14) (1) was reported to improve the in vitro stability of resulting (177)Lu-radioligands...
June 10, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28636861/timing-of-metastasis-in-breast-cancer
#19
Robert S Schwartz, John K Erban
New England Journal of Medicine, Volume 376, Issue 25, Page 2486-2488, June 2017.
June 22, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28636652/integrative-analysis-of-genomic-alterations-in-triple-negative-breast-cancer-in-association-with-homologous-recombination-deficiency
#20
Masahito Kawazu, Shinya Kojima, Toshihide Ueno, Yasushi Totoki, Hiromi Nakamura, Akiko Kunita, Wei Qu, Jun Yoshimura, Manabu Soda, Takahiko Yasuda, Natsuko Hama, Mihoko Saito-Adachi, Kazuhito Sato, Shinji Kohsaka, Eirin Sai, Masako Ikemura, Shigeru Yamamoto, Tomoko Ogawa, Masashi Fukayama, Keiichiro Tada, Yasuyuki Seto, Shinichi Morishita, Shoichi Hazama, Tatsuhiro Shibata, Yoshihiro Yamashita, Hiroyuki Mano
Triple-negative breast cancer (TNBC) cells do not express estrogen receptors, progesterone receptors, or human epidermal growth factor receptor 2. Currently, apart from poly ADP-ribose polymerase inhibitors, there are few effective therapeutic options for this type of cancer. Here, we present comprehensive characterization of the genetic alterations in TNBC performed by high coverage whole genome sequencing together with transcriptome and whole exome sequencing. Silencing of the BRCA1 gene impaired the homologous recombination pathway in a subset of TNBCs, which exhibited similar phenotypes to tumors with BRCA1 mutations; they harbored many structural variations (SVs) with relative enrichment for tandem duplication...
June 21, 2017: PLoS Genetics
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