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Breast Carcinoma

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https://www.readbyqxmd.com/read/28454423/the-nutritional-herb-epimedium-grandiflorum-inhibits-the-growth-in-a-model-for-the-luminal-a-molecular-subtype-of-breast-cancer
#1
Nitin T Telang, Gou Li, Meena Katdare, Daniel W Sepkovic, H Leon Bradlow, George Y C Wong
The Luminal A subtype of breast cancer expresses the estrogen receptor (ER)-α and progesterone receptor (PR), but not the human epidermal growth factor receptor (HER)-2 oncogene. This subtype of breast cancer responds to endocrine therapy involving the use of selective estrogen receptor modulators and/or inhibitors of estrogen biosynthesis. However, these therapeutic agents are frequently associated with long-term systemic toxicity and acquired tumor resistance, emphasizing the need to identify non-toxic alternative treatments for chemo-endocrine therapy responsive breast cancer...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454355/what-is-known-about-melatonin-chemotherapy-and-altered-gene-expression-in-breast-cancer
#2
Carlos Martínez-Campa, Javier Menéndez-Menéndez, Carolina Alonso-González, Alicia González, Virginia Álvarez-García, Samuel Cos
Melatonin, synthesized in and released from the pineal gland, has been demonstrated by multiple in vivo and in vitro studies to have an oncostatic role in hormone-dependent tumors. Furthermore, several clinical trials point to melatonin as a promising adjuvant molecule to be considered for cancer treatment. In the past few years, evidence of a broader spectrum of action of melatonin as an antitumor agent has arisen; thus, melatonin appears to also have therapeutic effects in several types of hormone-independent cancer, including ovarian, leukemic, pancreatic, gastric and non-small cell lung carcinoma...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454334/taxotere-induced-elevated-expression-of-il8-in-carcinoma-associated-fibroblasts-of-breast-invasive-ductal-cancer
#3
Yingliang Li, Guohua Rong, Hua Kang
Breast cancer is the most common malignant tumor in women worldwide, and accounts for an estimated 29% of new cases and 15% of cancer-associated mortalities each year. Invasive ductal carcinoma represents 70-80% of all breast cancer cases, which are responsible for the majority of breast cancer fatalities. Though great progress has been made in understanding the tumorigenesis and development of breast cancer, problems surrounding treatment persist. It was previously reported that carcinoma-associated fibroblasts (CAFs) may be closely associated with chemotherapy resistance...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454329/overexpression-of-heat-shock-factor-1-is-associated-with-a-poor-prognosis-in-esophageal-squamous-cell-carcinoma
#4
Yukiko Tsukao, Makoto Yamasaki, Yasuhiro Miyazaki, Tomoki Makino, Tsuyoshi Takahashi, Yukinori Kurokawa, Hiroshi Miyata, Kiyokazu Nakajima, Shuji Takiguchi, Koshi Mimori, Masaki Mori, Yuichiro Doki
Heat-shock factor 1 (HSF1) is the primary regulator of the response to various stressors. A previous study showed that HSF1 expression is associated with a poor prognosis in breast cancer and hepatocellular carcinoma; however, the prognostic significance of HSF1 in esophageal squamous cell carcinoma (ESCC) is unknown. Therefore, the present study investigated the association between HSF1 expression and the clinicopathological parameters of patients, as well as the association between HSF1 expression, and heat shock protein (Hsp)27, Hsp70 and Hsp90 expression induced by HSF1, by cDNA microarray and immunohistochemistry analyses...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454314/synchronous-and-bilateral-oncocytic-carcinoma-of-the-breast-a-case-report-and-review-of-the-literature
#5
Hiroko Itagaki, Tomoko Yamamoto, Atsuko Hiroi, Kunio Kawanishi, Eiichiro Noguchi, Tetsuya Ohchi, Takako Kamio, Shingo Kameoka, Hideaki Oda, Yoji Nagashima
Synchronous bilateral breast cancer is rare, and oncocytic carcinoma is an even rarer breast cancer histological subtype. In general, oncocytic tumors are defined as neoplasms with eosinophilic granular cytoplasm and have been reported in various organs. Oncocytic carcinoma of the breast was first documented by Gădăleanu and Craciun in 1987, and 48 cases have since been reported. The present study reports a case of synchronous bilateral breast oncocytic carcinoma. The patient was a 78-year-old woman. Although she exhibited no symptoms, chest computed tomography revealed three multinodular breast tumors: Two in the right breast and one in the left...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454303/expression-of-er%C3%AE-gene-in-breast-carcinoma-and-the-relevance-in-neoadjuvant-therapy
#6
Jing Chang, Jihong Liu, Huiying Li, Jing Li, Yanling Mu, Bin Feng
In the present study, we examined the expression of the estrogen receptor β (ERβ) gene in breast cancer and its relevance in neoadjuvant therapy. In total, 120 breast cancer patients who were hospitalized in the Departments of Breast Disease and Medical Oncology served as the subjects of this study. The subjects were diagnosed with breast cancer phase II to phase IIIA, as confirmed by aspiration biopsy and iconography. The patients were divided into two groups in a randomized control manner, with 60 patients in each group...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454301/immunohistochemical-profile-of-ing3-protein-in-normal-and-cancerous-tissues
#7
Wen-Feng Gou, Xue-Feng Yang, Dao-Fu Shen, Shuang Zhao, Hong-Zhi Sun, Jun-Sheng Luo, Hua-Chuan Zheng
The inhibitor of growth family, member 3 (ING3) protein may be capable of blocking the cell cycle via activating p53-transactivated promoters of p21 and Bcl2-associated X protein, and may induce apoptosis via a Fas/caspase-8-dependent signaling pathway. In the present study, immunohistochemistry was performed in order to characterize the expression profile of ING3 protein in tissue microarrays containing mouse and human normal tissue, human hepatocellular (n=62), renal clear cell (n=62), pancreatic (n=62), esophageal squamous cell (n=45), cervical squamous cell (n=31), breast (n=144), gastric (n=196), colorectal (n=96), ovarian (n=208), endometrial (n=96) and lung carcinoma (n=192)...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454278/the-associated-pyrazolopyrimidines-pp1-and-pp2-inhibit-protein-tyrosine-kinase-6-activity-and-suppress-breast-cancer-cell-proliferation
#8
Hyun Jae Shim, Han Ie Kim, Seung-Taek Lee
Protein tyrosine kinase (PTK)6, also known as breast tumor kinase, is a non-receptor tyrosine kinase. It is closely associated with, but evolutionarily distinct from, the Src family members. PTK6 has a role in proliferation, migration and invasion in various cancers, and therefore has been suggested as a potentially valuable therapeutic target. In an attempt to develop PTK6 inhibitors, chemicals known to inhibit various kinases were screened for their ability to inhibit PTK6. Pyrazolopyrimidine (PP)1, PP2 and a lymphocyte-specific protein tyrosine kinase inhibitor strongly inhibited the catalytic activity of PTK6 in vitro...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454215/evaluation-of-aldh1-expression-in-ipsilateral-breast-cancer-recurrence
#9
Tadahiko Shien, Takehiro Tanaka, Masahiko Tanabe, Yasuhiro Okumura, Norikazu Masuda, Atsushi Yoshida, Nobuyuki Arima, Yoshifumi Komoike, Satoru Tanaka, Takuji Iwase, Tetsuya Taguchi, Katsuhiko Nakatsukasa, Hideo Inaji, Makoto Ishitobi
Aldehyde dehydrogenase 1 (ALDH1) is a cancer stem cell (CSC) marker that is easily evaluable. The expression and clinical significance of ALDH1 in ipsilateral breast tumor recurrence (IBTR) has yet to be investigated. In the present study, the expression profile of ALDH1 and its correlation with prognosis in IBTR tissues was examined. Patients with IBTR from eight institutions were retrospectively enrolled in the study. Immunohistochemistry was used to examine ALDH1 expression patterns in the tissue specimens of primary cancers and IBTRs...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454214/genome-wide-analysis-of-gynecologic-cancer-the-cancer-genome-atlas-in-ovarian-and-endometrial-cancer
#10
Moito Iijima, Kouji Banno, Ryuichiro Okawa, Megumi Yanokura, Miho Iida, Takashi Takeda, Haruko Kunitomi-Irie, Masataka Adachi, Kanako Nakamura, Kiyoko Umene, Yuya Nogami, Kenta Masuda, Eiichiro Tominaga, Daisuke Aoki
Cancer typically develops due to genetic abnormalities, but a single gene abnormality cannot completely account for the onset of cancer. The Cancer Genome Atlas (CGA) project was conducted for the cross-sectional genome-wide analysis of numerous genetic abnormalities in various types of cancer. This approach has facilitated the identification of novel AT-rich interaction domain 1A gene mutations in ovarian clear cell carcinoma, frequent tumor protein 53 (TP53) gene mutations in high-grade ovarian serous carcinoma, and Kirsten rat sarcoma and B-rapidly accelerated fibrosarcoma proto-oncogene, serine/threonine kinase gene mutations in low-grade ovarian serous carcinoma...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454081/expression-characteristic-of-cxcr1-in-different-breast-tissues-and-the-relevance-between-its-expression-and-efficacy-of-neo-adjuvant-chemotherapy-in-breast-cancer
#11
Miao-Qun Xue, Jun Liu, Jian-Feng Sang, Lei Su, Yong-Zhong Yao
OBJECTIVE: To investigate chemokine receptor CXCR1 expression characteristic in different breast tissues and analyze the relationship between CXCR1 expression changes in breast cancer tissue and efficacy of neo-adjuvant chemotherapy. RESULTS: Chemokine receptor CXCR1 was lowly expressed in normal breast tissues and breast fibroadenoma, but highly expressed in breast cancer. It was significantly correlated with pathological stage, tumor cell differentiation, and lymph node metastasis (P < 0...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28453707/the-role-of-ar-polyq-tract-in-male-breast-carcinoma-lesson-from-an-sbma-case
#12
G Querin, I Martinelli, C Bertolin, E Pegoraro, M Pennuto, G Sorarù
No abstract text is available yet for this article.
May 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28448737/involvement-of-arhgef10-gef-for-rhoa-in-rab6-rab8-mediating-membrane-traffic
#13
Satoshi Shibata, Yui Teshima, Kenta Niimi, Shinobu Inagaki
Small GTPases play crucial roles in the maintenance of a homeostatic environment and appropriate movements of the cell. In these processes, the direct or indirect interaction between distinct small GTPases could be required for regulating mutual signaling pathways. In our recent study, ARHGEF10, known as a guanine nucleotide exchange factor (GEF) for RhoA, was indicated to interact with Rab6A and Rab8A, which are known to function in the exocytotic pathway, and colocalized with these Rabs at exocytotic vesicles...
April 27, 2017: Small GTPases
https://www.readbyqxmd.com/read/28448389/long-term-results-after-oncoplastic-surgery-for-breast-cancer-a-10-year-follow-up
#14
Krishna B Clough, Raquel F D van la Parra, Helene H Thygesen, Eric Levy, Elisabeth Russ, Najeeb M Halabi, Isabelle Sarfati, Claude Nos
OBJECTIVE: The aim of this study was to evaluate the long-term oncologic outcome after oncoplastic surgery (OPS). BACKGROUND: OPS combines wide tumor excision with reduction mammoplasty techniques thus extending breast conserving surgery to large tumors that might else be proposed a mastectomy. Little data are available about the oncologic results for breast conserving surgery of these larger tumors. METHODS: From January 2004 until March 2016, a total of 350 oncoplastic breast reductions were prospectively entered into a database...
April 26, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28447566/pain-sensory-disturbances-and-psychological-distress-are-common-sequelae-after-treatment-of-ductal-carcinoma-in-situ-a-cross-sectional-study
#15
Birgitte Goldschmidt Mertz, Helle Molter Duriaud, Niels Kroman, Kenneth Geving Andersen
Sequelae such as pain, sensory disturbances and psychological distress are well known after treatment for invasive breast cancer (IBC). Patients treated for ductal carcinoma in situ (DCIS) receive a similar treatment as low-risk IBC. The aim of this cross-sectional study was to describe prevalence of postoperative pain, sensory disturbances, psychological distress and rehabilitation needs among Danish women with DCIS. METHODS: A total of 574 women treated for DCIS in Denmark in 2013 and 2014 were enrolled and 473 (82%) completed a detailed questionnaire on demographic factors, pain, sensory disturbances, psychological aspects and rehabilitation needs 1-3 years after surgery...
May 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28446533/prognostic-evaluation-of-epidermal-growth-factor-receptor-egfr-genotype-and-phenotype-parameters-in-triple-negative-breast-cancers
#16
Sofia Levva, Vassiliki Kotoula, Ioannis Kostopoulos, Kyriaki Manousou, Christos Papadimitriou, Kyriaki Papadopoulou, Sotiris Lakis, Kyriakos Koukoulias, Vasilios Karavasilis, George Pentheroudakis, Eufemia Balassi, Flora Zagouri, Ioannis G Kaklamanos, Dimitrios Pectasides, Evangelia Razis, Gerasimos Aravantinos, Pavlos Papakostas, Dimitrios Bafaloukos, Grigorios Rallis, Helen Gogas, George Fountzilas
BACKGROUND: Epidermal growth factor receptor (EGFR) aberrations have been implicated in the pathogenesis of triple-negative breast cancer (TNBC) but their impact on prognosis and, therefore, druggability, remain controversial. Herein, we studied EGFR aberrations at different molecular levels and assessed their prognostic impact in patients with operable TNBC treated with adjuvant anthracycline-based chemotherapy. MATERIALS AND METHODS: We evaluated the prognostic impact of EGFR gene status by fluorescent in situ hybridization (FISH), EGFR coding mutations by Sanger and next-generation sequencing, relative EGFR messenger RNA (mRNA) levels by qPCR (upper quartile) and EGFR and p53 protein expression by immunohistochemistry (IHC), in 352 centrally-assessed tumors from an equal number of TNBC patients...
May 2017: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/28445974/lowered-expression-of-microrna-125a-5p-in-human-hepatocellular-carcinoma-and-up-regulation-of-its-oncogenic-targets-sirtuin-7-matrix-metalloproteinase-11-and-c-raf
#17
Nicola Coppola, Giorgio de Stefano, Marta Panella, Lorenzo Onorato, Valentina Iodice, Carmine Minichini, Nicola Mosca, Luisa Desiato, Nunzia Farella, Mario Starace, Giulia Liorre, Nicoletta Potenza, Evangelista Sagnelli, Aniello Russo
Human microRNA-125a-5p (miR-125a) is expressed in most tissues where it downregulates the expression of membrane receptors or intracellular transductors of mitogenic signals, thus limiting cell proliferation. Expression of this miRNA generally increases with cell differentiation whereas it is downregulated in several types of tumors, such as breast, lung, ovarian, gastric, colon, and cervical cancers, neuroblastoma, medulloblastoma, glioblastoma, and retinoblastoma. In this study, we focused on hepatocellular carcinoma and used real-time quantitative PCR to measure miR-125a expression in 55 tumor biopsies and in matched adjacent non-tumor liver tissues...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445946/dose-invasive-apocrine-adenocarcinoma-has-worse-prognosis-than-invasive-ductal-carcinoma-of-breast-evidence-from-seer-database
#18
Ning Zhang, Hanwen Zhang, Tong Chen, Qifeng Yang
BACKGROUND: Invasive apocrine adenocarcinoma (AAC) of breast is a rare histopathological subtype of breast carcinomas. We aim to investigate the different characteristics and prognostic outcomes between AAC and invasive ductal carcinoma (IDC) of breast cancer. RESULTS: AAC patients presented with older ages, more aggressive behaviors, lower ER and PR proportions, higher HER2 amplification rates and less application of breast-conserving therapy and adjuvant chemotherapy compared to IDC patients...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445683/impact-of-preoperative-breast-mr-imaging-and-mr-guided-surgery-on-diagnosis-and-surgical-outcome-of-women-with-invasive-breast-cancer-with-and-without-dcis-component
#19
Christiane K Kuhl, Kevin Strobel, Heribert Bieling, Eva Wardelmann, Walther Kuhn, Nikolaus Maass, Simone Schrading
Purpose To (a) compare the diagnostic accuracy of breast magnetic resonance (MR) imaging with that of conventional imaging (digital mammography and breast ultrasonography) in the identification of ductal carcinoma in situ (DCIS) components of biopsy-proven invasive breast cancer before surgery and (b) investigate the surgical outcome (positive margin rates and mastectomy rates) of women with breast cancer who underwent preoperative MR imaging combined with MR-guided needle biopsy and/or MR-guided lesion localization or bracketing where appropriate...
April 26, 2017: Radiology
https://www.readbyqxmd.com/read/28445295/metastatic-breast-cancer-to-the-rectum-a-case-report-with-emphasis-on-mri-features
#20
Li Ching Lau, Bernard Wee, Shi Wang, Yee Liang Thian
RATIONALE: Less than 1% of breast carcinomas metastasize to the gastrointestinal tract. The diagnosis is frequently not recognized especially when the history of breast carcinoma is remote. PATIENT CONCERNS: A 61-year-old female with a remote history of breast carcinoma presented with a 3-month history of change in bowel habits. Colonoscopy showed a circumferential rectal mass with initial impression of primary rectal cancer. MRI of the rectum showed findings that are atypical for primary rectal cancer...
April 2017: Medicine (Baltimore)
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