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pathology of breast disease

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https://www.readbyqxmd.com/read/28214658/an-association-study-of-established-breast-cancer-reproductive-and-lifestyle-risk-factors-with-tumour-subtype-defined-by-the-prognostic-70-gene-expression-signature-mammaprint-%C3%A2
#1
M Makama, C A Drukker, E J Th Rutgers, L Slaets, F Cardoso, M A Rookus, K Tryfonidis, L J Van't Veer, M K Schmidt
BACKGROUND: Reproductive and lifestyle factors influence both breast cancer risk and prognosis; this might be through breast cancer subtype. Subtypes defined by immunohistochemical hormone receptor markers and gene expression signatures are used to predict prognosis of breast cancer patients based on their tumour biology. We investigated the association between established breast cancer risk factors and the 70-gene prognostication signature in breast cancer patients. PATIENTS AND METHODS: Standardised questionnaires were used to obtain information on established risk factors of breast cancer from the Dutch patients of the MINDACT trial...
February 16, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28213782/prognosis-of-residual-axillary-disease-after-neoadjuvant-chemotherapy-in-clinically-node-positive-breast-cancer-patients-isolated-tumor-cells-and-micrometastases-carry-a-better-prognosis-than-macrometastases
#2
T J A van Nijnatten, J M Simons, M Moossdorff, L de Munck, M B I Lobbes, C C van der Pol, L B Koppert, E J T Luiten, M L Smidt
PURPOSE: The aim of this study was to compare disease-free survival (DFS) and overall survival (OS) between clinically node-positive breast cancer patients, treated with neoadjuvant chemotherapy (NAC), with axillary pathologic complete response (ypN0), residual axillary isolated tumor cells or micrometastases (ypNitc/mi), and residual axillary macrometastases (ypN1-3). METHODS: All patients diagnosed with clinically node-positive primary invasive breast cancer treated with NAC and subsequent axillary lymph node dissection between 2005 and 2008 were retrospectively analyzed...
February 17, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28208987/bcl6-mrna-expression-level-in-invasive-duct-carcinoma-not-otherwise-specified
#3
Eman Badr, Eman Masoud, Asmaa Gaber Abdou, Marwa Serag Eldien
INTRODUCTION: B-Cell Lymphoma 6 (BCL6) has an oncogenic role in tumourigenesis of various malignancies. It represses genes involved in terminal differentiation and plays complementary role with Signal Transducer and Activator of Transcription 3 (STAT3) in triple-negative breast cancer cellular function. AIM: To evaluate the expression of BCL6 in cancer breast and determine its correlation with the clinico-pathological features including the molecular subtype of breast carcinoma...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28206957/young-breast-cancer-patients-who-develop-distant-metastasis-after-surgery-have-better-survival-outcomes-compared-with-elderly-counterparts
#4
Jingjing Wang, Jiayu Wang, Qing Li, Pin Zhang, Peng Yuan, Fei Ma, Yang Luo, Ruigang Cai, Ying Fan, Shanshan Chen, Qiao Li, Binghe Xu
To investigate the recurrence pattern and subsequent survival outcomes in young breast cancer population, 483 young patients (≤ 35) and 739 elderly patients (≥ 65), who received mastectomy or breast-conserving surgery from 2008 to 2012, were included in this study. The young population presented with a higher rate of pathologic tumor stage (P < 0.001), positive pathologic lymph node (P < 0.001), grade III tumors (P < 0.001), and lymphovascular invasion (P < 0.001). With a median follow-up of 56...
February 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28205044/clinical-tumor-stage-is-the-most-important-predictor-of-pathological-complete-response-rate-after-neoadjuvant-chemotherapy-in-breast-cancer-patients
#5
Briete Goorts, Thiemo J A van Nijnatten, Linda de Munck, Martine Moossdorff, Esther M Heuts, Maaike de Boer, Marc B I Lobbes, Marjolein L Smidt
BACKGROUND: Pathological complete response (pCR) is the ultimate response in breast cancer patients treated with neoadjuvant chemotherapy (NCT). It might be a surrogate outcome for disease-free survival (DFS) and overall survival (OS). We studied the effect of clinical tumor stage (cT-stage) on tumor pCR and the effect of pCR per cT-stage on 5-year OS and DFS. METHODS: Using the Netherlands Cancer Registry, all primary invasive breast cancer patients treated with NCT from 2005 until 2008 were identified...
February 15, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28194325/serum-yb-1-y-box-binding-protein-1-as-a-biomarker-of-bone-disease-progression-in-patients-with-breast-cancer-and-bone-metastases
#6
A R Ferreira, M Bettencourt, I Alho, A L Costa, A R Sousa, A Mansinho, C Abreu, C Pulido, D Macedo, I Vendrell, T R Pacheco, L Costa, S Casimiro
YB-1 (Y-box binding protein 1) is a multifunctional cold-shock protein that has been implicated in all hallmarks of cancer. Elevated YB-1 protein level was associated with poor prognosis in several types of cancers, including breast cancer (BC), where it is a marker of decreased overall survival (OS) and distant metastasis-free survival across all subtypes. YB-1 is also secreted by different cell types and may act as an extracellular mitogen; however the pathological implications of the secreted form of YB-1 (sYB-1) are unknown...
March 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28191807/neo-adjuvant-chemotherapy-in-locally-advanced-breast-cancer-a-retrospective-analysis-from-tertiary-care-centre
#7
Deepti Sharma, Garima Singh
INTRODUCTION: Breast cancer is the most common cancer in women in India. The incidence of LABC is 30%-40% in developing countries as compared to developed countries, lack of awareness and screening programmes in developing countries are supposed to be main contributor of this increase incidence. The use of neoadjuvant chemotherapy in locally advanced breast cancer has shown benefits in down staging of tumors, and increases the rate of breast conserving surgeries. AIM: The aim was to compare response rate (clinical and pathological), the disease free survival, and overall survival in two chemotherapy regime...
September 2016: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28191801/evaluation-of-clinicopathological-findings-on-255-cases-of-inoperable-locally-advanced-breast-carcinoma-a-tertiary-care-experience
#8
Shah Naveed, Hasina Quari, Ghanish Panjawani, Ankit Shah, B B Panday
INTRODUCTION: Breast cancer is the second most common cancer in the Indian female population. LABC and metastatic breast cancer are the most common stages at presentation in most low-resource countries. Although the incidence of LABC has decreased significantly in countries with enhanced resources thanks to widespread education and screening programs, it remains a daily encounter for surgeons and oncologists in low-resource countries. Neoadjuvant therapy has been studied widely for the treatment of LABC and is followed by locoregional therapy...
September 2016: Gulf Journal of Oncology
https://www.readbyqxmd.com/read/28187158/role-of-the-long-non-coding-rna-pvt1-in-the-dysregulation-of-the-cerna-cerna-network-in-human-breast-cancer
#9
Federica Conte, Giulia Fiscon, Matteo Chiara, Teresa Colombo, Lorenzo Farina, Paola Paci
Recent findings have identified competing endogenous RNAs (ceRNAs) as the drivers in many disease conditions, including cancers. The ceRNAs indirectly regulate each other by reducing the amount of microRNAs (miRNAs) available to target messenger RNAs (mRNAs). The ceRNA interactions mediated by miRNAs are modulated by a titration mechanism, i.e. large changes in the ceRNA expression levels either overcome, or relieve, the miRNA repression on competing RNAs; similarly, a very large miRNA overexpression may abolish competition...
2017: PloS One
https://www.readbyqxmd.com/read/28186977/pathological-complete-response-of-her2-positive-breast-cancer-to-trastuzumab-and-chemotherapy-can-be-predicted-by-hsd17b4-methylation
#10
Satoshi Fujii, Satoshi Yamashita, Takeshi Yamaguchi, Masato Takahashi, Yasuo Hozumi, Toshikazu Ushijima, Hirofumi Mukai
Human epidermal growth factor (HER) 2-directed therapy is the standard treatment for HER2-positive breast cancer. Patients who achieved a pathological complete response (pCR) to the therapy are associated with excellent disease-free survival. However, few molecular markers are available to predict pCR. Here, we aimed to establish a DNA methylation marker to predict the response to trastuzumab and chemotherapy. A total of 67 patients were divided into screening (n = 21) and validation (n = 46) sets. Genome-wide DNA methylation analysis of the screening set identified eight genomic regions specifically methylated in patients with pCR...
February 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28185585/how-interacting-pathways-are-regulated-by-mirnas-in-breast-cancer-subtypes
#11
Claudia Cava, Antonio Colaprico, Gloria Bertoli, Gianluca Bontempi, Giancarlo Mauri, Isabella Castiglioni
BACKGROUND: An important challenge in cancer biology is to understand the complex aspects of the disease. It is increasingly evident that genes are not isolated from each other and the comprehension of how different genes are related to each other could explain biological mechanisms causing diseases. Biological pathways are important tools to reveal gene interaction and reduce the large number of genes to be studied by partitioning it into smaller paths. Furthermore, recent scientific evidence has proven that a combination of pathways, instead than a single element of the pathway or a single pathway, could be responsible for pathological changes in a cell...
November 8, 2016: BMC Bioinformatics
https://www.readbyqxmd.com/read/28185465/differences-in-incidence-and-biological-characteristics-of-breast-cancer-between-roma-and-non-roma-patients-in-slovakia
#12
M Reckova, J Mardiak, L Plank, M Vulevova, S Cingelová, M Mego
BACKGROUND: Roma (Gypsies) constitute one of the largest ethnic minorities in Slovakia. Some reports have supported a higher prevalence of communicable diseases in Roma but data on cancer prevalence in Roma is absent. The aim of this study was to compare differences in the incidence and pathological characteristics of breast cancer between Roma and non-Roma in Slovakia. PATIENTS AND METHODS: Roma and non-Roma breast cancer patients were identified using the Slovak HER2 Registry...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28183321/biomarker-analysis-of-the-neosphere-study-pertuzumab-trastuzumab-and-docetaxel-versus-trastuzumab-plus-docetaxel-pertuzumab-plus-trastuzumab-or-pertuzumab-plus-docetaxel-for-the-neoadjuvant-treatment-of-her2-positive-breast-cancer
#13
Giampaolo Bianchini, Astrid Kiermaier, Giulia Valeria Bianchi, Young-Hyuck Im, Tadeusz Pienkowski, Mei-Ching Liu, Ling-Ming Tseng, Mitch Dowsett, Lila Zabaglo, Sarah Kirk, Tania Szado, Jennifer Eng-Wong, Lukas C Amler, Pinuccia Valagussa, Luca Gianni
BACKGROUND: NeoSphere showed significantly higher pathologic complete response (pCR) with neoadjuvant pertuzumab, trastuzumab, and docetaxel compared with trastuzumab plus docetaxel, pertuzumab plus trastuzumab, or pertuzumab plus docetaxel. We assessed associations between human epidermal growth factor receptor 2 (HER2) pathway-related biomarkers and clinical outcome in response to these regimens. METHODS: Tumor, serum, and whole blood samples were collected at baseline and post neoadjuvant treatment before surgery...
February 9, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28183138/overall-survival-and-clinical-characteristics-of-brca-mutation-carriers-with-stage-i-ii-pancreatic-cancer
#14
Talia Golan, Tal Sella, Eileen M O'Reilly, Matthew H G Katz, Ron Epelbaum, David P Kelsen, Ayelet Borgida, Hannah Maynard, Hedy Kindler, Eitan Friedmen, Milind Javle, Steven Gallinger
BACKGROUND: BRCA1/BRCA2 germ line (GL) mutation carriers with pancreatic adenocarcinoma (PDAC) may have distinct outcomes. We recently described an apparent more favourable prognosis of surgically resected BRCA-associated PDAC patients in a single-arm, uncontrolled, retrospective study. However, the prognostic impact of GL BRCA1/2 mutations in surgically resected PDAC has not been compared with a matched control population. METHODS: A larger multi-centre, case-control retrospective analysis was performed...
February 9, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28181130/micrornas-mir-7-and-mir-340-predict-response-to-neoadjuvant-chemotherapy-in-breast-cancer
#15
Mithu Raychaudhuri, Holger Bronger, Theresa Buchner, Marion Kiechle, Wilko Weichert, Stefanie Avril
PURPOSE: miRNAs have been linked to chemosensitivity of breast cancer cells in vitro. In patients, however, there is no clinically validated method for predicting chemotherapy response. The aim of this study was to assess whether (I) a specific pattern of miRNA expression in pretherapeutic biopsies can predict response to neoadjuvant chemotherapy, and (II) differential miRNA expression in residual tumor after completion of chemotherapy allows further prognostic stratification of non-responding patients...
February 8, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28179453/gynaecomastia-in-786-adult-men-clinical-and-biochemical-findings
#16
Mikkel G Mieritz, Peter Christiansen, Martin Blomberg Jensen, Ulla N Joensen, Loa Nordkap, Inge A Olesen, A Kirstine Bang, Anders Juul, Niels Joergensen
Objective - Gynaecomastia is a benign proliferation of glandular tissue of the breast, however, it is an important clinical observation because it can be the first symptom of an underlying disease. Some controversy exists concerning the clinical importance of an in-depth investigation of men who develop gynaecomastia. We hypothesize that a thorough work-up is required in adult men with gynaecomastia. Design- All adult men (n=818) referred to a secondary level andrological department at Rigshospitalet in Copenhagen, Denmark in a four-year period (2008-2011) under the diagnosis of gynaecomastia (ICD-10: N62) were included...
February 8, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28178680/prognostic-value-of-follistatin-like-3-in-human-invasive-breast-cancer
#17
Henrique L Couto, Marcelo A Buzelin, Nivaldo H Toppa, Enrrico Bloise, Alberto J Wainstein, Fernando M Reis
Follistatin-like 3 (FSTL3) binds and inactivates activin, a growth factor involved with cell growth and differentiation. We have previously shown FSTL3 overexpression in invasive breast cancers, but its clinical relevance remained unexplored. Here we evaluate FSTL3 as a prognostic tool and its relation with clinical and pathological features of breast cancer. A cohort of 154 women diagnosed with invasive breast cancer between 2008 and 2012 was followed up for 5 years. Tumor samples were processed by immunohistochemistry to detect FSTL3 expression in tumor epithelium...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28177921/axillary-staging-in-breast-cancer-patients-treated-with-neoadjuvant-chemotherapy-in-two-dutch-phase-iii-studies
#18
Birgit E P J Vriens, Kristien B M I Keymeulen, Judith R Kroep, Ayoub Charehbili, Petronella G Peer, Maaike de Boer, Maureen J B Aarts, Esther M Heuts, Vivianne C G Tjan-Heijnen, The Dutch Breast Cancer Research Group Boog
BACKGROUND: Primary aim of our study was to assess the impact of timing of sentinel node procedure, pre- versus post-neoadjuvant chemotherapy, on final pathologic node-negative rate (pN0) in patients with clinically node-negative (cN0) breast cancer. Secondary endpoint was the usability of the sentinel node procedure in patients with clinically node-positive disease that converted to cN0 after neoadjuvant chemotherapy. PATIENTS AND METHODS: Patients were enrolled in two sequentially conducted Dutch phase III trials, studying the impact of two neoadjuvant chemotherapy schedules and use of zoledronic acid on complete pathologic response rate...
February 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28174654/breast-cancer-with-extensive-bone-metastasis-mimicking-myeloma
#19
Ya-Ting Hsu, Kung-Chao Chang
Punched-out lesions in skull film usually elicit consideration of myeloma. However, some other diseases cause similar clinical presentations. We describe an uncommon presentation of breast cancer, which mimics multiple myeloma. Therefore, in a broad spectrum of clinical settings, physicians should always consider differential diagnosis and await for definitive pathological diagnosis.
February 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28174483/dual-effect-of-wisp-1-in-diverse-pathological-processes
#20
Mengmeng Feng, Shuqin Jia
Wnt-1 inducible signaling pathway-1 (WISP-1), also known as CCN-4, belongs to the connective tissue growth factor (CTGF) family. WISP-1 is primarily expressed in embryonic stem cells and is involved in adult organ development. WISP-1 participates in many cellular processes, including proliferation, differentiation, apoptosis and adhesion. In addition, WISP-1 plays an important role in diverse pathophysiological processes, such as embryonic development, inflammation, injury repairs and cancers. Recent studies showed that WISP-1 was highly correlated with tumor progression and malignant transformation, whereas it played an oncogenic role in colorectal cancer, cholangiocarcinoma, hepatocellular carcinoma and breast cancer...
December 2016: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
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