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https://www.readbyqxmd.com/read/28332165/low-microchimeric-cell-density-in-tumors-suggests-alternative-antineoplastic-mechanism
#1
Timothy W Jolis, Brenna M Brucker, Christoph Schorl, James N Butera, Peter J Quesenberry
Microchimerism has generally been shown to protect against cancer (Gilmore et al. in Exp Hematol 36(9):1073-1077, 2008). The mechanism of how this occurs is an area of intense study, as it may lead to new cancer treatments. The leading theory is that microchimeric cells perform immune surveillance by directly fighting cancerous cells and that they also act as stem cells, repairing damaged tissue (Khosrotehrani et al. in JAMA 292:75-80, 2004). However, there is conflicting evidence to support this theory. Several small studies have found few microchimeric cells in tumor tissue (Gadi in Breast Cancer Res Treat 121(1):241-244, 2010; Cirello et al...
April 2017: Medical Oncology
https://www.readbyqxmd.com/read/28331757/inflammatory-myofibroblastic-tumor-of-the-breast-coexisting-with-pseudoangiomatous-stromal-hyperplasia
#2
Canan Kelten Talu, Yasemin Çakır, Ezgi Hacıhasanoğlu, Cem Leblebici, Şefika Aksoy, Mehmet Ali Nazlı
Inflammatory myofibroblastic tumors (IMTs) are uncommon breast lesions that consist of spindle cells accompanied by plasma cell-rich inflammatory infiltration, which may mimic breast cancer clinico-radiologically. A woman aged 38 years with a breast mass was referred to our general surgery clinic. The physical examination revealed a mass with irregular borders in the upper outer quadrant of the left breast. In mammography, the lesion was 15 mm in diameter with a spheric form and high density. Ultrasonographically, the mass was solid, heterogeneous, and hypoechoic with posterior enhancement...
October 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331747/the-relationship-between-bone-mineral-density-and-estrogen-receptor-positivity-in-patients-with-breast-cancer
#3
Zeynep Erdoğan İyigün, Kezban Nur Pilancı, Fatmagül Kuşku Çabuk, Serkan İlgün, Çetin Ordu, Tomris Duymaz, Gül Alço, Filiz Çelebi, Dauren Sarsenov, Filiz İzci, Alper Öztürk, Filiz Ağaçayak, Ülkühan İner Köksal, Fatma Aktepe, Yeşim Eralp, Vahit Özmen
OBJECTIVE: The effect of estrogen on bone mineral density (BMD) and breast cancer has been known for a long time. The aim of this study was to compare of the BMD of patients with breast cancer and healthy individuals, and to investigate the degree of correlation of estrogen receptor (ER) with BMD. MATERIALS AND METHODS: Seventy-one patients with postmenopausal breast cancer and 79 healthy dividuals were included in the study. The patient demographics (age, menopause age, body mass index, number of children, BMD, Z scores, and estrogen status for breast cancer patients) were taken from hospital records...
July 2016: J Breast Health (2013)
https://www.readbyqxmd.com/read/28329636/correlation-between-cancer-incidences-and-google-searches-in-the-united-states
#4
Mackenzie R Wehner, Kevin T Nead, Eleni Linos
IntroductionDespite being highly prevalent, keratinocyte carcinomas (basal cell and squamous cell carcinomas lack nationwide registries. Internet search data has emerged as a new method to evaluate previously difficult to quantify public health outcomes and may be useful in keratinocyte carcinoma research.ObjectiveWe aimed to evaluate whether Google search density correlated with known incidences of common cancers in the United States.MethodsWe used the Center for Disease Control's National Program of Cancer Registries ageTadjusted cancer incidences (2008T2012 ...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28326600/prognostic-significance-of-tumour-infiltrating-b-lymphocytes-in-breast-ductal-carcinoma-in-situ
#5
I Miligy, P Mohan, A Gaber, M A Aleskandarany, C C Nolan, M Diez-Rodriguez, A Mukherjee, C Chapman, I O Ellis, A R Green, E A Rakha
BACKGROUND: Tumour infiltrating lymphocytes are an important component of the immune response to cancer and have a prognostic value in breast cancer. Although several studies have investigated the role of T-lymphocytes in breast cancer, the role of B lymphocytes (TIL-Bs) in Ductal carcinoma in situ (DCIS), remains uncertain. This study aimed to assess the role of TIL-Bs in DCIS. METHODS: 80 DCIS cases (36 pure DCIS and 44 mixed with invasive cancer) were immunohistochemically stained for B lineage markers CD19, CD20 and the plasma cell marker CD138...
March 22, 2017: Histopathology
https://www.readbyqxmd.com/read/28324267/chemotherapy-induced-irreversible-alopecia-in-early-breast-cancer-patients
#6
Gun Min Kim, Sanghwa Kim, Hyung Seok Park, Jee Ye Kim, Sanggen Nam, Seho Park, Seung Il Kim, DoYoung Kim, Joohyuk Sohn
PURPOSE: The purpose of this work is to determine the prevalence of chemotherapy-induced irreversible alopecia (CIIA), which is defined as an alopecia that exists at least 6 months after completion of chemotherapy and factors affecting CIIA in early breast cancer patients. METHODS: We performed a cross-sectional study. We retrospectively identified breast cancer patients who had received AC (Adriamycin, Cyclophosphamide) or AC-T (AC followed by Taxane) as neoadjuvant or adjuvant chemotherapy...
March 21, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28318506/assessment-of-disease-extent-on-contrast-enhanced-mri-in-breast-cancer-detected%C3%A2-at-digital-breast-tomosynthesis-versus%C3%A2-digital-mammography-alone
#7
A V Chudgar, E F Conant, S P Weinstein, B M Keller, M Synnestvedt, P Yamartino, E S McDonald
AIM: To compare the utility of breast magnetic resonance imaging (MRI) in determining the extent of disease in patients with newly diagnosed breast cancer detected on combination digital breast tomosynthesis (DBT) versus digital screening mammography (DM). MATERIALS AND METHODS: Review of 24,563 DBT-screened patients and 10,751 DM-screened patients was performed. Two hundred and thirty-five DBT patients underwent subsequent MRI examinations; 82 to determine extent of disease after newly diagnosed breast cancer...
March 16, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28316008/cytogenetic-analysis-of-metaplastic-squamous-cell-carcinoma-of-the-breast-inter-and-intratumoral-heterogeneity
#8
Masahiro Oikawa, Akiko Igawa, Kenichi Taguchi, Kimiko Baba, Mayumi Ishida, Sayuri Akiyoshi, Hiroshi Yano, Takeshi Nagayasu, Shinji Ohno, Eriko Tokunaga
BACKGROUND: Squamous cell carcinoma (SCC) of the breast is a rare and generally aggressive disease that accounts for less than 0.1% of all breast carcinomas. Although SCCs have distinct morphological features, their origin and cytogenetic profile are not well understood. METHODS: Five patients with SCC were studied. The tumor area that was predominantly composed of SCC components was macrodissected and DNA was extracted. In three cases, an invasive or noninvasive ductal carcinoma of no special type (NST) component was also present...
March 18, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28315938/the-relationship-between-breast-cancer-molecular-subtypes-and-mast-cell-populations-in-tumor-microenvironment
#9
Anna Glajcar, Joanna Szpor, Agnieszka Pacek, Katarzyna Ewa Tyrak, Florence Chan, Joanna Streb, Diana Hodorowicz-Zaniewska, Krzysztof Okoń
Mast cells (MCs) are a part of the innate immune system. The MC functions toward cancer are partially based on the release of chymase and tryptase. However, the MC effect on breast cancer is controversial. The aim of our study was to investigate the presence of MCs in breast cancer tumors of different molecular subtypes and their relationships with other pathological prognostic factors. Tryptase- and chymase-positive mast cell densities were evaluated by immunohistochemistry in 108 primary invasive breast cancer tissue samples...
March 18, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28300724/methylene-blue-curcumin-and-ion-pairing-nanoparticles-effects-on-photodynamic-therapy-of-mda-mb-231-breast-cancer-cell
#10
Reza Hosseinzadeh, Khatereh Khorsandi
PURPOSE: The aim of current study was to use methylene blue-curcumin ion pair nanoparticles and single dyes as photosensitizer for comparison of photodynamic therapy (PDT) efficacy on MDA-MB-231 cancer cells, also various light sources effect on activation of photosensitizer (PS) was considered. METHOD: Ion pair nanoparticles were synthesized using opposite charge ions precipitation and lyophilized. The PDT experiments were designed and the effect of PSs and light sources (Red LED (630nm; power density: 30mWcm(-2)) and blue LED (465nm; power density: 34mWcm(-2))) on the human breast cancer cell line were examined...
March 11, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28300321/skeletal-colonization-by-breast-cancer-cells-is-stimulated-by-an-osteoblast-and-%C3%AE-2ar-dependent-neo-angiogenic-switch
#11
Patrick L Mulcrone, J Preston Campbell, Lise Clément-Demange, Ana Lia Anbinder, Alyssa R Merkel, Rolf A Brekken, Julie A Sterling, Florent Elefteriou
The skeleton is a common site for breast cancer metastasis. Although significant progress has been made to manage osteolytic bone lesions, the mechanisms driving the early steps of the bone metastatic process are still not sufficiently understood to design efficacious strategies needed to inhibit this process and offer preventative therapeutic options. Progression and recurrence of breast cancer, as well as reduced survival of patients with breast cancer, are associated with chronic stress, a condition known to stimulate sympathetic nerve outflow...
March 16, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28298592/full-field-digital-mammography-and-digital-breast-tomosynthesis
#12
Marlene M Johnson
Innovation in breast imaging techniques is leading to better breast cancer detection. Concurrently, breast cancer screening recommendations are changing, and breast density is becoming a more significant factor in breast cancer screening. Digital mammography has become the preferred screening method, with more breast imaging centers including the use of digital breast tomosynthesis (DBT). The technology's role in breast imaging has not been clarified fully, and several clinical trials are addressing DBT. This article presents research findings on digital mammography and DBT and explores the future role of 3-D breast imaging...
January 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28293781/greb1-genetic-variants-are-associated-with-bone-mineral-density-in-caucasians
#13
Kevin G Hegarty, Frances J Drummond, Mary Daly, Fergus Shanahan, Michael G Molloy
Gaining an understanding of factors contributing to bone quality is key to the development of effective preventative treatments for osteoporosis and reduction in osteoporotic fractures. Oestrogen is a strong regulator of bone remodelling which maintains skeletal structural integrity. The growth regulation by oestrogen in breast cancer 1 (GREB1) gene, with an as yet undefined function, is an early response gene in the oestrogen-regulated pathway. Suggestive evidence of linkage with bone mineral density (BMD) variation has been reported with D2S168, located telomeric of GREB1...
March 14, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28292559/pathological-characterisation-of-male-breast-cancer-results-of-the-eortc-10085-tbcrc-big-nabcg-international-male-breast-cancer-program
#14
Marijn A Vermeulen, Leen Slaets, Fatima Cardoso, Sharon H Giordano, Konstantinos Tryfonidis, Paul J van Diest, Nizet H Dijkstra, Carolien P Schröder, Christi J van Asperen, Barbro Linderholm, Kim Benstead, Renee Foekens, John W M Martens, John M S Bartlett, Carolien H M van Deurzen
AIM: Several prognostic histological features have been established in female breast cancer (BC), but it is unknown whether these can be extrapolated to male BC patients. The aim of this study was to evaluate the prognostic value of several histological features in a large series of male BC. METHODS: Central pathology review was performed for 1483 male BCs collected through part 1 of the European Organisation for Research and Treatment of Cancer (EORTC) International Male BC Program...
March 11, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28290354/development-of-a-phantom-to-test-fully-automated-breast-density-software-a-work-in-progress
#15
G G Waade, S Hofvind, J D Thompson, R Highnam, P Hogg
OBJECTIVES: Mammographic density (MD) is an independent risk factor for breast cancer and may have a future role for stratified screening. Automated software can estimate MD but the relationship between breast thickness reduction and MD is not fully understood. Our aim is to develop a deformable breast phantom to assess automated density software and the impact of breast thickness reduction on MD. METHODS: Several different configurations of poly vinyl alcohol (PVAL) phantoms were created...
February 2017: Radiography
https://www.readbyqxmd.com/read/28289944/screen-detected-versus-interval-cancers-effect-of-imaging-modality-and-breast-density-in-the-flemish-breast-cancer-screening-programme
#16
Lore Timmermans, Luc Bleyen, Klaus Bacher, Koen Van Herck, Kim Lemmens, Chantal Van Ongeval, Andre Van Steen, Patrick Martens, Isabel De Brabander, Mathieu Goossens, Hubert Thierens
OBJECTIVES: To investigate if direct radiography (DR) performs better than screen-film mammography (SF) and computed radiography (CR) in dense breasts in a decentralized organised Breast Cancer Screening Programme. To this end, screen-detected versus interval cancers were studied in different BI-RADS density classes for these imaging modalities. METHODS: The study cohort consisted of 351,532 women who participated in the Flemish Breast Cancer Screening Programme in 2009 and 2010...
March 13, 2017: European Radiology
https://www.readbyqxmd.com/read/28288659/a-clinical-model-for-identifying-the-short-term-risk-of-breast-cancer
#17
Mikael Eriksson, Kamila Czene, Yudi Pawitan, Karin Leifland, Hatef Darabi, Per Hall
BACKGROUND: Most mammography screening programs are not individualized. To efficiently screen for breast cancer, the individual risk of the disease should be determined. We describe a model that could be used at most mammography screening units without adding substantial cost. METHODS: The study was based on the Karma cohort, which included 70,877 participants. Mammograms were collected up to 3 years following the baseline mammogram. A prediction protocol was developed using mammographic density, computer-aided detection of microcalcifications and masses, use of hormone replacement therapy (HRT), family history of breast cancer, menopausal status, age, and body mass index...
March 14, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28279742/surface-functionalization-of-methotrexate-loaded-chitosan-nanoparticles-with-hyaluronic-acid-human-serum-albumin-comparative-characterization-and-in-vitro-cytotoxicity
#18
Rania A Hashad, Rania A H Ishak, Ahmed S Geneidi, Samar Mansour
The active tumor targeting ligands, hyaluronic acid (HA) and human serum albumin (HSA), are considered promising targeting moieties of drug carriers for cancer therapy. The chitosan nanoparticles loaded with methotrexate (MTX-CsNPs) were employed as the core for subsequent coating process. HA and HSA coating solutions were used at different concentrations. The effect of different HA Mw (1000, 360, 10kDa) was also investigated. The coated MTX-CsNPs was characterized proving the success of surface functionalization...
March 6, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28276926/the-relationship-of-single-strand-breaks-in-dna-to-breast-cancer-risk-and-to-tissue-concentrations-of-oestrogens
#19
Mathavi Sahadevan, Oukseub Lee, Miguel Muzzio, Belinda Phan, Lisa Jacobs, Nagi Khouri, Jun Wang, Hong Hu, Vered Stearns, Robert T Chatterton
CONTEXT: Clinical study of breast cancer patients in Chicago, IL, USA. OBJECTIVE: Ascertain the utility of measurements of single-strand breaks (SSB) in DNA for assessment of breast cancer risk. METHODS: Fine-needle aspirates of the breast, SSB by nick translation, percent breast density (PBD), Gail model risk, cumulative methylation index (CMI), enzymes of DNA repair and tissue antioxidants. RESULTS: DNA repair enzymes and 4-hydroxyestradiol were negatively associated with SSB; CMI and PBD were positively associated...
February 28, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28274041/histomorphometric-analysis-of-angiogenesis-using-cd31-immunomarker-and-mast-cell-density-in-oral-premalignant-and-malignant-lesions-a-pilot-study
#20
M Jyothsna, M Rammanohar, Kiran Kumar
INTRODUCTION: Mast cells have been implicated in promoting angiogenesis in malignant tumors of lung, oesophagus and breast, but there are few studies on Oral Squamous Cell Carcinomas (OSCC). Most oral squamous cell carcinomas arise from pre-existing precancerous lesions exhibiting epithelial dysplasia. AIM: The present pilot study attempts to compare Mast Cell Density (MCD), Microvessel Density (MVD), Microvessel Area (MVA) histomorphometrically between normal buccal mucosa, severe epithelial dysplasia and OSCC and to correlate the role of mast cells and angiogenesis in tumor progression...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
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