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https://www.readbyqxmd.com/read/28549350/an-anti-cancer-wxxxe-containing-azurin-polypeptide-inhibits-rac1-dependent-stat3-and-erk-gsk-3%C3%AE-signaling-in-breast-cancer-cells
#1
Zhe Zhang, Zhiyong Luo, Wenpu Min, Lin Zhang, Yaqun Wu, Xiaopeng Hu
In our previous study, we characterized a mycoplasmal small GTPase-like polypeptide of 240 amino acids that possesses an N-terminal WVLGE sequence. The N-terminal WVLGE sequence promotes activation of Rac1 and subsequent host cancer cell proliferation. To investigate the function of the WxxxE motif in the interaction with Rac1 and host tumor progression, we synthesized a 35-amino acid WVLGE-containing polypeptide derived from a cell-penetrating peptide derived from the azurin protein. We verified that the WVLGE-containing polypeptide targeted MCF-7 cells rather than MCF-10A cells...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549345/a-novel-synthetic-derivative-of-quercetin-8-trifluoromethyl-3-5-7-3-4-o-pentamethyl-quercetin-inhibits-bladder-cancer-growth-by-targeting-the-ampk-mtor-signaling-pathway
#2
Ting Tao, Caimei He, Jun Deng, Yanjun Huang, Qiongli Su, Mei Peng, Meiling Yi, Kwame Oteng Darko, Hui Zou, Xiaoping Yang
Quercetin is a naturally existing compound and shows attractive anticancer properties for a variety of solid tumors including glioma, bladder cancer, hepatocellular carcinoma, breast cancer, hematological malignancies and prostate carcinoma. However, these anticancer properties have not been clinically approved due to unclear mechanistic information and its low bioactivity. In our previous study, we elucidated that quercetin activates AMPK pathway which is the major mechanism for its unique anticancer effect in bladder cancer...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28549339/typical-and-atypical-presenting-symptoms-of-breast-cancer-and-their-associations-with-diagnostic-intervals-evidence-from-a-national-audit-of-cancer-diagnosis
#3
Minjoung Monica Koo, Christian von Wagner, Gary A Abel, Sean McPhail, Greg P Rubin, Georgios Lyratzopoulos
INTRODUCTION: Most symptomatic women with breast cancer have relatively short diagnostic intervals but a substantial minority experience prolonged journeys to diagnosis. Atypical presentations (with symptoms other than breast lump) may be responsible. METHODS: We examined the presenting symptoms of breast cancer in women using data from a national audit initiative (n=2316). Symptoms were categorised topographically. We investigated variation in the length of the patient interval (time from symptom onset to presentation) and the primary care interval (time from presentation to specialist referral) across symptom groups using descriptive analyses and quantile regression...
May 23, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28549309/switching-between-intravenous-and-subcutaneous-trastuzumab-safety-results-from-the-prefher-trial
#4
Joseph Gligorov, Giuseppe Curigliano, Volkmar Müller, Ann Knoop, Valerie Jenkins, Sunil Verma, Stuart Osborne, Sabine Lauer, Zuzana Machackova, Lesley Fallowfield, Xavier Pivot
AIM: To assess the safety and tolerability of switching between subcutaneous (SC) and intravenous (IV) trastuzumab in the PrefHer study (NCT01401166). PATIENTS AND METHODS: Patients with HER2-positive early breast cancer completed (neo)adjuvant chemotherapy and were randomised to receive four cycles of SC trastuzumab, via single-use injection device (SID; Cohort 1) or hand-held syringe (Cohort 2), followed by four cycles of IV, or vice versa (the crossover period presented here) as part of their 18 standard cycles of adjuvant trastuzumab treatment...
May 23, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28549292/globally-supported-radial-basis-function-based-collocation-method-for-evolution-of-level-set-in-mass-segmentation-using-mammograms
#5
Kanchan Lata Kashyap, Manish Kumar Bajpai, Pritee Khanna
Computer-aided detection systems play an important role for the detection of breast abnormalities using mammograms. Global segmentation of mass in mammograms is a complex process due to low contrast mammogram images, irregular shape of mass, speculated margins, and the presence of intensity variations of pixels. This work presents a new approach for mass detection in mammograms, which is based on the variational level set function. Mesh-free based radial basis function (RBF) collocation approach is employed for the evolution of level set function for segmentation of breast as well as suspicious mass region...
May 15, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28549231/conclusion-based-on-insufficient-data-in-study-of-protein-intake-association-with-breast-cancer-survival
#6
David J Beale
No abstract text is available yet for this article.
June 1, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28549201/cytogenetic-aspects-of-a-canine-breast-carcinosarcoma-a-case-report
#7
C S D Morais, P R A M Affonso, J A Bitencourt, A A Wenceslau
This study searched a rare and aggressive type of cancer in dogs and humans, the breast carcinosarcoma. Both clinical and pathological traits of mammary carcinosarcomas in dogs are similar to humans, such as infrequent occurrence, fast tumor growth, and unfavorable prognosis when compared to carcinomas. Other possible alterations include chromosomal abnormalities that can be useful for the identification of tumoral cells and diagnosis. The aim of this study was to compare the chromosomal features of peripheral lymphocytes and tumor cells in a mammary carcinosarcoma of a 14-year-old female Poodle...
May 25, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28549196/effects-of-enterococcus-faecium-slb-120-on-growth-performance-blood-parameters-relative-organ-weight-breast-muscle-meat-quality-excreta-microbiota-shedding-and-noxious-gas-emission-in-broilers
#8
R X Lan, S I Lee, I H Kim
This 5-week study was conducted to determine the effects of Enterococcus faecium (SLB 120) on growth performance, blood parameters, relative organ weight, breast muscle meat quality, excreta microbiota shedding, and noxious gas emission in broilers. A total of 816 one-day-old male broilers were allocated to 4 groups with 12 replications (17 broilers/pen) according to body weight (43.2 ± 0.32 g). Dietary treatment groups were: (1) CON, basal diet, (2) T1, CON + 0.05% E. faecium, (3) T2, CON + 0.10% E. faecium, (4) T3, CON + 0...
May 26, 2017: Poultry Science
https://www.readbyqxmd.com/read/28549060/breast-cancer-increased-risk-with-concurrent-dietary-and-edc-exposures
#9
David Holmes
No abstract text is available yet for this article.
May 26, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28549033/estrogen-receptor-progesterone-receptor-and-human-epidermal-growth-factor-receptor-2-testing-in-breast-cancer-assessing-the-value-of-repeated-centralized-testing-in-excision-specimens
#10
Nosaibah Hariri, Farnaz Hasteh, Vighnesh Walavalkar, Andres A Roma, Oluwole Fadare
At some tertiary breast care centers, where many patients are referred from other institutions, it is routine to repeat testing for estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor-2 (HER2/neu) in excision specimens if these tests were performed on the preceding biopsy at the referring facility. The goal of this study is to assess the value of this practice. We documented results from ER, PR, and HER2 testing in 541 consecutive invasive breast cancers excised over a 2...
May 25, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28549030/p40-immunostain-does-not-outperform-p63-as-a-myoepithelial-cell-marker-in-the-daily-practice-of-breast-pathology
#11
Laila Khazai, Emmanuel Agosto-Arroyo, Marilin Rosa
P40 antibody has been shown to be a more specific squamous and basal cell marker compared with p63. As detection of myoepithelial cells (MECs) plays a critical role in breast pathology, and the fact that p40 targets an isoform of p63, this study was designed to compare these antibodies in a variety of lesions, especially those with an sclerotic stroma and carcinoma in situ. All studied lesions were selected from the daily cases of the 3 authors and stained with p63, p40, and calponin immunohistochemical stains...
May 25, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28549010/a-clinical-feasibility-trial-for-identification-of-exceptional-responders-in-whom-breast-cancer-surgery-can-be-eliminated-following-neoadjuvant-systemic-therapy
#12
Henry M Kuerer, Gaiane M Rauch, Savitri Krishnamurthy, Beatriz E Adrada, Abigail S Caudle, Sarah M DeSnyder, Dalliah M Black, Lumarie Santiago, Brian P Hobbs, Anthony Lucci, Michael Gilcrease, Rosa F Hwang, Rosalind P Candelaria, Mariana Chavez-MacGregor, Benjamin D Smith, Elsa Arribas, Tanya Moseley, Mediget Teshome, Makesha V Miggins, Vicente Valero, Kelly K Hunt, Wei T Yang
OBJECTIVE: To determine the accuracy of fine-needle aspiration (FNA) and vacuum-assisted core biopsy (VACB) in assessing the presence of residual cancer in the breast after neoadjuvant systemic therapy (NST). SUMMARY BACKGROUND DATA: Pathologic complete response (pCR) rates after NST have improved dramatically, suggesting that surgery might be avoided in some patients. Safe avoidance of surgery would require accurate confirmation of no residual invasive/in situ carcinoma...
May 25, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28548964/the-value-of-phosphohistone-h3-as-a-proliferation-marker-for-evaluating-invasive-breast-cancers-a-comparative-study-with-ki67
#13
Ji-Ye Kim, Hyang Sook Jeong, Taek Chung, Moonsik Kim, Ji Hee Lee, Woo Hee Jung, Ja Seung Koo
BACKGROUND: Established measurements of proliferation in breast cancer are Ki67 and mitotic-activity-index (MAI), with problems in reproducibility and prognostic accuracy. Phosphohistone H3 (PHH3), a relatively novel IHC marker is specific for mitosis with good reproducibility. We hypothesized that PHH3 would be more reproducible and better represent proliferation than Ki67. RESULTS: PHH3 identified easily-missed mitosis by MAI, as demonstrated by upgrading M grade at diagnosis (n = 29/218, evenly distributed)...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548923/tubb3-overexpression-has-a-negligible-effect-on-the-sensitivity-to-taxol-in-cultured-cell-lines
#14
Mihoko A Tame, Anna G Manjón, Daria Belokhvostova, Jonne A Raaijmakers, René H Medema
Microtubules are cellular targets for a variety of anticancer therapies because of their critical function in mitosis. Taxol belongs to a class of microtubule targeting agents that suppresses microtubule dynamics and interferes with the functioning of the mitotic spindle, thereby effectively blocking cell cycle progression of rapidly proliferating tumor cells. Despite its antitumor activity, drug resistance remains a common obstacle in improving its overall clinical efficacy. Previous studies have shown that the expression of a specific β-tubulin isotype, βIII-tubulin/TUBB3, is dysregulated in drug-refractory tumors...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28548905/brca-associated-cancers-role-of-imaging-in-screening-diagnosis-and-management
#15
Michelle V Lee, Venkata S Katabathina, Michyla L Bowerson, Marina I Mityul, Anup S Shetty, Khaled M Elsayes, Aparna Balachandran, Priya R Bhosale, Ann E McCullough, Christine O Menias
Harmful mutations of the BRCA tumor suppressor genes result in a greater lifetime risk for malignancy-breast and ovarian cancers in particular. An increased risk for male breast, fallopian tube, primary peritoneal, pancreatic, prostate, and colon cancers also has been reported. The BRCA gene is inherited in an autosomal dominant pattern and tends to be highly penetrant; thus, there is an increased incidence of these cancers in affected families. Compared with sporadic tumors, BRCA-associated malignancies have unique manifestations, clinical features, and pathologic profiles...
May 26, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28548864/oral-administration-of-a-medium-containing-both-d-aspartate-producing-live-bacteria-and-d-aspartate-reduces-rectal-temperature-in-chickens
#16
P H Do, P V Tran, M A Bahry, H Yang, G Han, A Tsuchiya, Y Asami, M Furuse, V S Chowdhury
1. The aim of this study was to investigate the effects on the rectal temperature of young chickens of the oral administration of a medium that contained both live bacteria that produce D-aspartate (D-Asp) and D-Asp. 2. In Experiment 1, chickens were subjected to chronic oral administration of either the medium (containing live bacteria and 2.46 μmol D-Asp) or water from 7 to 14 d of age. Plasma-free amino acids as well as mitochondrial biogenic gene expression in the breast muscle were analysed. In Experiment 2, 7-d-old chickens were subjected to acute oral administration of the above medium or of an equimolar amount of D-Asp to examine their effect on changes in rectal temperature...
May 26, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28548681/symptoms-cancer-related-distress-and-overall-distress-may-contribute-to-racial-disparities-in-the-outcomes-of-patients-with-early-stage-breast-cancer
#17
Mary Kay Barton
No abstract text is available yet for this article.
May 26, 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28548481/isolation-of-phenotypically-distinct-cancer-cells-using-nanoparticle-mediated-sorting
#18
Brenda Green, Leyla Kermanshah, Mahmoud Labib, Sharif Ahmed, Pamuditha Silva, Laili Mahmoudian, I-Hsin Chang, Reza M Mohamadi, Jonathan V Rocheleau, Shana O Kelley
Isolating subpopulations of heterogeneous cancer cells is an important capability for the meaningful characterization of circulating tumor cells at different stages of tumor progression and during epithelial to mesenchymal transition (EMT). Here, we describe a two-dimensional separation approach that yields phenotypically-distinct subpopulations of cancer cells. Magnetic nanoparticles coated with antibodies against the epithelial cell adhesion molecule (EpCAM) are used to enrich cancer cells in a microfluidic platform...
May 26, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28548469/trends-in-breast-cancer-epidemiology-in-chelyabinsk-region-2006-2015
#19
Irina A Aksenova, Malcolm A Moore, Alla S Domozhirova
Breast cancer among women occupies a leading position in the profile of cancer incidence in most parts of the world. The present study of the incidence and prevalence of breast cancer was carried out using data from the Chelyabinsk population cancer registry for 2006-2015. A stable growth trend in the incidence over time was noted overall, as well as major differences in the figures for women of different ethnicities (Russian, Tatar, Bashkir), by far the highest incidences being observed for Russian women. Urban rates were generally higher than in rural sites and a shift towards older age at presentation was seen between 2006 and 2015...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28548468/comparison-of-direct-and-indirect-methods-of-teaching-breast-self-examination-%C3%A2-influence-on-knowledge-and-attitudes-of-iranian-nursing-and-midwifery-personnel
#20
Sara Shahbazi, Mohammad Heidari, Mansour Ghafourifard
Background: Breast cancer is the most common cancer in women. Monthly breast self-examination (BSE) has been presented as one of the best screening methods available. The aim of this study was to compare effects of both direct and indirect methods of teaching of BSE on knowledge and attitudes of nursing and midwifery personnel. Materials and Methods: The present study was performed on 89 nursing and midwifery personnel in Valiasr hospital of Borujen city. Participants were randomly divided into a direct and an indirect training group...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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