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https://www.readbyqxmd.com/read/28734185/primary-small-cell-neuroendocrine-carcinoma-of-the-breast-a-case-report-and-review-of-the-literature
#1
Abigail Tremelling, Selyne Samuel, Mary Murray
INTRODUCTION: Primary small cell neuroendocrine carcinoma of the breast (SCNCB) is a very uncommon type of breast cancer. Histology and morphology are virtually indistinguishable from small cell neuroendocrine carcinomas of the lung (SCNCL), mandating a search for a primary site elsewhere in the body. There is no standard approach to treatment as there are only a limited number of cases reported in the literature. This report summarizes a case of primary SCNCB and presents a review of the literature...
July 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28734183/influence-of-non-measurable-disease-on-progression-free-survival-in-patients-with-metastatic-breast-cancer
#2
REVIEW
Hadar Goldvaser, Domen Ribnikar, Rouhi Fazelzad, Bostjan Seruga, Arnoud J Templeton, Alberto Ocana, Eitan Amir
BACKGROUND: The presence of non-measurable disease is common in metastatic breast cancer. It is unknown whether treatment effect on progression free survival (PFS) is consistent among patients with measurable and non-measurable disease. METHODS: A systematic literature search identified phase III randomized controlled trials (RCTs) in metastatic breast cancer that reported outcomes in patients with non-measurable and measurable disease. Hazard ratios (HRs) and 95% confidence intervals were computed to compare the individual trial treatment effect on PFS in non-measurable versus measurable disease...
July 11, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28732370/silibinin-an-old-drug-for-hematological-disorders
#3
REVIEW
Hai Zou, Xing-Xing Zhu, Guo-Bing Zhang, Yuan Ma, Yi Wu, Dong-Sheng Huang
Silibinin (silybin), a non-toxic natural polyphenolic flavonoid, is the principal and the most biologically active component of silymarin. It is efficient in the treatment of acute and chronic liver disorders caused by toxins, drug, alcohol, hepatitis, and gall bladder disorders. Further, in our previous studies, we explored the anti-cancer efficacy in common cancers, such as lung, prostatic, colon, breast, bladder, as well as, hepatocellular carcinoma. Interestingly, silibinin is still not solely limited to the treatment of these diseases...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732081/il-6-variant-is-associated-with-metastasis-in-breast-cancer-patients
#4
Chike O Abana, Brian S Bingham, Ju Hwan Cho, Amy J Graves, Tatsuki Koyama, Robert T Pilarski, A Bapsi Chakravarthy, Fen Xia
INTRODUCTION: Although tumor metastases remain significant drivers of mortality, the genetic factors that increase the risks of metastases are not fully identified. Interleukin 6 (IL-6) has emerged as an important factor in breast cancer progression with IL-6 single nucleotide polymorphism (SNP) variants shown to affect survival. We hypothesized that SNPs of the IL-6 promoter at rs1800795 in breast cancer patients are associated with distant metastases. METHODS: We performed an initial case-control study using Vanderbilt University Medical Center's BioVU, a genomic biobank linked to de-identified electronic medical records in the Synthetic Derivative database, to identify germline SNPs that may predict the development of metastatic disease to any site from any solid tumor including breast cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28732040/perceptions-of-arab-men-regarding-female-breast-cancer-screening-examinations-findings-from-a-middle-east-study
#5
Tam Truong Donnelly, Al-Hareth Al-Khater, Salha Bujassoum Al-Bader, Mohamed Ghaith Al-Kuwari, Mariam Ali Abdul Malik, Nabila Al-Meer, Rajvir Singh
OBJECTIVES: In the Middle East, Qatar in particular, the incidence of breast cancer has substantially increased in recent years, and is expected to double by 2030. This diagnosis also occurs at a later stage in the disease. Early detection along with proper treatment reduces radical mastectomy and mortality rates, yet only one-third of Arab women in Qatar participate in breast cancer screening (BCS) activities of any sort. Many women in the conservative Qatari society rely on male family members for support and protection...
2017: PloS One
https://www.readbyqxmd.com/read/28731946/treatment-minimization-in-older-patients-with-early-stage-breast-cancer
#6
Tara M Hansen, Richard C Zellars
The management of early-stage breast cancer in older patients is complex and requires a careful balance of the risk of cancer death with the competing risks of comorbidities and treatment-related toxicity in women with largely favorable disease. As the US population continues to age, oncologists will increasingly encounter this clinical challenge. Several strategies involving each core component of breast cancer therapy have been investigated to minimize treatment in these patients while still maintaining acceptable outcomes...
July 2017: Cancer Journal
https://www.readbyqxmd.com/read/28731148/molecular-genetics-and-targeted-therapy-of-wnt-related-human-diseases-review
#7
Masuko Katoh, Masaru Katoh
Canonical WNT signaling through Frizzled and LRP5/6 receptors is transduced to the WNT/β-catenin and WNT/stabilization of proteins (STOP) signaling cascades to regulate cell fate and proliferation, whereas non-canonical WNT signaling through Frizzled or ROR receptors is transduced to the WNT/planar cell polarity (PCP), WNT/G protein-coupled receptor (GPCR) and WNT/receptor tyrosine kinase (RTK) signaling cascades to regulate cytoskeletal dynamics and directional cell movement. WNT/β-catenin signaling cascade crosstalks with RTK/SRK and GPCR-cAMP-PKA signaling cascades to regulate β-catenin phosphorylation and β-catenin-dependent transcription...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28730856/in-vitro-drug-drug-interactions-of-budesonide-inhibition-and-induction-of-transporters-and-cytochrome-p450-enzymes
#8
Nancy Chen, Donghui Cui, Qing Wang, Zhiming Wen, Richard D Finkelman, Devin Welty
1. Budesonide is a glucocorticoid used in the treatment of several respiratory and gastrointestinal inflammatory diseases. Glucocorticoids have been demonstrated to induce cytochrome P450 (CYP) 3A and the efflux transporter P-glycoprotein (P-gp). This study aimed to evaluate the potential of budesonide to act as a perpetrator or a victim of transporter- or CYP-mediated drug-drug interactions (DDIs). 2. In vitro studies were conducted for P-gp, breast cancer resistance protein and organic anion and cation transporters (OATP1B1, OATP1B3, OAT1, OAT3, OCT2) in transporter-transfected cells...
July 21, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/28730770/characteristics-and-outcomes-of-patients-with-multifocal-multicentric-and-unifocal-breast-cancer
#9
Lidija Djordjevic-Jovanovic, Aleksandar Karanikolic, Toplica Bojic, Ivan Pesic, Miodrag Djordjevic, Mirjana Marinkovic
PURPOSE: The clinical behavior and outcome of multifocal (MF) and multicentric (MC) breast tumors are not well characterized. The purpose of this study was to compare the prognosis of MF/MC tumors with unifocal (UF)tumors and its correlation with other pathological characteristics and patient outcomes. METHODS: Eighty-three patients with MC/MF breast cancer and 501 with UF breast cancer treated at the Surgical Clinic Nis were studied. We compared MC/MF and UF breast cancer patients with respect to demographics, tumor characteristics- adjuvant systemic therapy, local recurrence-free survival (LRFS) and overall survival (OS)...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28730766/comparison-of-prognosis-and-clinical-features-between-synchronous-bilateral-and-unilateral-breast-cancers
#10
Yusuf Karakas, Neyran Kertmen, Sahin Lacin, Alma Aslan, Metin Demir, Ozturk Ates, Sercan Aksoy, Kadri Altundag
PURPOSE: The clinical significance of synchronous bilateral breast cancer (SBBC) is unclear and its influence on prognosis is controversial. Our study objective was to determine the epidemiological features, tumor characteristics, and prognosis of SBBC in comparison with those of unilateral breast cancer (UBC). METHODS: A total of 3675 breast cancer patients diagnosed and treated between 2000 and 2014 were evaluated. Of these patients, 132 (3.6%) had bilateral breast cancer, including 55 patients (1...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28730765/prognostic-role-of-inflammatory-biomarkers-in-metastatic-breast-cancer
#11
Ibrahim Petekkaya, Ozan Unlu, Emir C Roach, Gizem Gecmez, Alexis K Okoh, Taner Babacan, Furkan Sarici, Ozge Keskin, Cagatay Arslan, Emine Petekkaya, Ali R Sever, Kadri Altundag
PURPOSE: The effects of inflammation on the prognosis, life expectancy and several parameters such as response to treatment of breast cancer have been previously studied. The purpose of this study was to investigate the effect of inflammatory markers on prognosis in patients with metastatic breast cancer. METHODS: This study was conducted on 81 patients with metastatic breast cancer who have been followed up at the Department of Medical Oncology, Hacettepe University Institute of Oncology, between December, 2009 and March, 2014...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28730678/prognosis-following-cancer-surgery-during-holiday-periods
#12
Jesper Lagergren, Fredrik Mattsson, Pernilla Lagergren
Surgery is the mainstay curative treatment in most cancer. We aimed to test the new hypothesis that cancer surgery performed during holiday periods is associated with worse long-term prognosis than for non-holiday periods. This nationwide Swedish population-based cohort study included 228,927 patients during 1997-2014 who underwent elective resectional surgery for a cancer where the annual number of resections was over 100. The 16 eligible cancer sites were grouped into 10 cancer groups. The exposure, holiday periods, was classified as wide (14-weeks) or narrow (7-weeks)...
July 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28730440/cellular-delivery-of-sirnas-using-bolaamphiphiles
#13
Kshitij Gupta
Discovery of RNA interference (RNAi) has opened up a new arena of therapeutic intervention for the treatment of cancerous as well as noncancerous diseases. The RNAi pathway utilizes RNAi inducers such as small interfering RNAs (siRNAs) to target and silence disease causing genes. However, efficient delivery of siRNAs for eliciting efficacious RNAi has remained a daunting challenge. Nonviral vectors such as lipids have shown great promise in delivering siRNAs. Recently, a novel class of cationic lipid molecules "bolaamphiphile lipids" or "bola lipids" has been shown to deliver siRNAs to cause effective gene silencing in cells...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28730340/cyp2d6-genotype-is-not-associated-with-survival-in-breast-cancer-patients-treated-with-tamoxifen-results-from-a-population-based-study
#14
D L Hertz, K M Kidwell, S G Hilsenbeck, S Oesterreich, C K Osborne, S Philips, C Chenault, R J Hartmaier, T C Skaar, M J Sikora, J M Rae
PURPOSE: A number of studies have tested the hypothesis that breast cancer patients with low-activity CYP2D6 genotypes achieve inferior benefit from tamoxifen treatment, putatively due to lack of metabolic activation to endoxifen. Studies have provided conflicting data, and meta-analyses suggest a small but significant increase in cancer recurrence, necessitating additional studies to allow for accurate effect assessment. We conducted a retrospective pharmacogenomic analysis of a prospectively collected community-based cohort of patients with estrogen receptor-positive breast cancer to test for associations between low-activity CYP2D6 genotype and disease outcome in 500 patients treated with adjuvant tamoxifen monotherapy and 500 who did not receive any systemic adjuvant therapy...
July 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28730339/breast-cancer-neoplastic-seeding-in-the-setting-of-image-guided-needle-biopsies-of-the-breast
#15
REVIEW
Lumarie Santiago, Beatriz E Adrada, Monica L Huang, Wei Wei, Rosalind P Candelaria
PURPOSE: To identify clinicopathologic, technical, and imaging features associated with neoplastic seeding (NS) following image-guided needle breast biopsy. METHODS: We performed an institutional review board-approved retrospective review of patients presenting with a new diagnosis of breast cancer or suspicious breast findings requiring biopsy with subsequent diagnosis of NS. The time from biopsy to NS diagnosis was calculated. Histology, grade, estrogen receptor (ER) status, progesterone receptor (PR) status, HER2 status, T category, and N category were recorded...
July 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28730338/jagged1-promotes-aromatase-inhibitor-resistance-by-modulating-tumor-associated-macrophage-differentiation-in-breast-cancer-patients
#16
Hang Liu, Jingxuan Wang, Minghui Zhang, Qijia Xuan, Zhipeng Wang, Xin Lian, Qingyuan Zhang
PURPOSE: Endocrine resistance limits the efficacy of anti-estrogen therapies. Notch signaling is involved in modulating tumor-associated macrophage (TAM) differentiation and is upregulated in endocrine-resistant breast cancer cells. Here, we analyzed the role of Jagged1 in the regulation of TAM polarization to investigate whether the Jagged1-Notch pathway promotes the acquisition of aromatase inhibitor (AI) resistance by upregulating TAM infiltration. METHODS: The Jagged1 expression levels and M2 TAM infiltration density, in 203 tumor samples from ER-positive postmenopausal patients, who received AI treatment, were evaluated by immunohistochemical staining and the results were compared with clincopathological parameters and survival...
July 20, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28729775/role-of-tumor-microenvironment-in-triple-negative-breast-cancer-and-its-prognostic-significance
#17
Tianjian Yu, Genhong Di
Breast cancer has been shown to live in the tumor microenvironment, which consists of not only breast cancer cells themselves but also a significant amount of pathophysiologically altered surrounding stroma and cells. Diverse components of the breast cancer microenvironment, such as suppressive immune cells, re-programmed fibroblast cells, altered extracellular matrix (ECM) and certain soluble factors, synergistically impede an effective anti-tumor response and promote breast cancer progression and metastasis...
June 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28728962/oncologic-safety-of-nipple-sparing-mastectomy-in-women-with-breast-cancer
#18
Barbara L Smith, Rong Tang, Upahvan Rai, Jennifer K Plichta, Amy S Colwell, Michele A Gadd, Michelle C Specht, William G Austen, Suzanne B Coopey
BACKGROUND: Nipple sparing mastectomy (NSM) has gained popularity for breast cancer treatment and prevention. There is limited data about long-term oncologic safety of this procedure. STUDY DESIGN: Review of oncologic outcomes of consecutive therapeutic NSM at a single institution. Nipple sparing mastectomy was offered to patients with no radiologic or clinical evidence of nipple involvement. RESULTS: 2182 NSM were performed from 2007-2016...
July 5, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28728935/transcatheter-arterial-chemoembolization-with-spherical-embolic-agent-in-patients-with-pulmonary-or-mediastinal-metastases-from-breast-cancer
#19
Norifumi Kennoki, Shinichi Hori, Takeo Yuki, Atsushi Hori
PURPOSE: To evaluate safety and feasibility of transcatheter arterial chemoembolization with superabsorbent polymer microspheres (SAP-MS) for patients with pulmonary or mediastinal metastasis from breast cancer. METHODS: Between November 2002 and January 2015, 14 patients with 29 unresectable pulmonary or mediastinal breast cancer metastases underwent transcatheter arterial chemoembolization using SAP-MS (50-100 μm) after injection of a combination of 2-4 types of anticancer drugs (eg, cisplatin [30 mg] + fluorouracil [500 mg], or epirubicin [40 mg] + mitomycin C [4 mg] + fluorouracil [500 mg])...
July 18, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28728883/long-term-survival-outcomes-of-primary-breast-cancer-in-women-with-or-without-preoperative-magnetic-resonance-imaging-a%C3%A2-matched-cohort-study
#20
W J Choi, J H Cha, H H Kim, H J Shin, E Y Chae, K H Jung, J-H Ahn, S-B Kim, B H Son, S H Ahn
AIMS: To investigate whether preoperative magnetic resonance imaging (MRI) in patients with primary breast cancer is predictive of disease-free (DFS) and overall survival and to determine the prognostic factors indicating survival. MATERIALS AND METHODS: This retrospective study was approved by the institutional review board and the requirement for informed consent was waived. From 2009 to 2010, 828 women with primary breast cancer and preoperative MRI were matched with 1613 women without such imaging...
July 17, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
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