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Inflammatory breast cancer

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https://www.readbyqxmd.com/read/28441391/apigenin-inhibits-tnf%C3%AE-il-1%C3%AE-induced-ccl2-release-through-ikbk-epsilon-signaling-in-mda-mb-231-human-breast-cancer-cells
#1
David Bauer, Natalie Redmon, Elizabeth Mazzio, Karam F Soliman
Mortality associated with breast cancer is attributable to aggressive metastasis, to which TNFα plays a central orchestrating role. TNFα acts on breast tumor TNF receptors evoking the release of chemotactic proteins (e.g. MCP-1/CCL2). These proteins direct inward infiltration/migration of tumor-associated macrophages (TAMs), tumor-associated neutrophils (TANs), myeloid-derived suppressor cells (MDSCs), T-regulatory cells (Tregs), T helper IL-17-producing cells (Th17s), metastasis-associated macrophages (MAMs) and cancer-associated fibroblasts (CAFs)...
2017: PloS One
https://www.readbyqxmd.com/read/28439492/leptin-signaling-and-cancer-chemoresistance-perspectives
#2
EDITORIAL
Pierre V Candelaria, Antonio Rampoldi, Adriana Harbuzariu, Ruben R Gonzalez-Perez
Obesity is a major health problem and currently is endemic around the world. Obesity is a risk factor for several different types of cancer, significantly promoting cancer incidence, progression, poor prognosis and resistance to anti-cancer therapies. The study of this resistance is critical as development of chemoresistance is a serious drawback for the successful and effective drug-based treatments of cancer. There is increasing evidence that augmented adiposity can impact on chemotherapeutic treatment of cancer and the development of resistance to these treatments, particularly through one of its signature mediators, the adipokine leptin...
April 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28439094/selective-targeting-of-cancer-cells-by-oxidative-vulnerabilities-with-novel-curcumin-analogs
#3
Christopher Pignanelli, Dennis Ma, Megan Noel, Jesse Ropat, Fadi Mansour, Colin Curran, Simon Pupulin, Kristen Larocque, Jianzhang Wu, Guang Liang, Yi Wang, Siyaram Pandey
Recently, research has focused on targeting the oxidative and metabolic vulnerabilities in cancer cells. Natural compounds like curcumin that target such susceptibilities have failed further clinical advancements due to the poor stability and bioavailability as well as the need of high effective doses. We have synthesized and evaluated the anti-cancer activity of several monocarbonyl analogs of curcumin. Interestingly, two novel analogs (Compound A and I) in comparison to curcumin, have increased chemical stability and have greater anti-cancer activity in a variety of human cancer cells, including triple-negative, inflammatory breast cancer cells...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28430652/inflammatory-factor-tnf-%C3%AE-promotes-the-growth-of-breast-cancer-via-the-positive-feedback-loop-of-tnfr1-nf-%C3%AE%C2%BAb-and-or-p38-p-stat3-hbxip-tnfr1
#4
Xiaoli Cai, Can Cao, Jiong Li, Fuquan Chen, Shuqin Zhang, Bowen Liu, Weiying Zhang, Xiaodong Zhang, Lihong Ye
In the connection between inflammation and cancer development, tumor necrosis factor-alpha (TNF-α) contributes to the tumorigenesis. However, the underlying mechanism remains poorly understood. In this study, we report that TNF-α enhances the growth of breast cancer through up-regulation of oncoprotein hepatitis B X-interacting protein (HBXIP). Our data showed that the levels of TNF-α were positively related to those of HBXIP in clinical breast cancer tissues. Moreover, TNF-α could up-regulate HBXIP in breast cancer cells...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426875/bisphenol-a-activates-egfr-and-erk-promoting-proliferation-tumor-spheroid-formation-and-resistance-to-egfr-pathway-inhibition-in-estrogen-receptor-negative-inflammatory-breast-cancer-cells
#5
Scott J Sauer, Michael Tarpley, Imran Shah, Akshay V Save, H Kim Lyerly, Steven R Patierno, Kevin P Williams, Gayathri R Devi
Emerging evidence from epidemiological studies suggests a link between environmental chemical exposure and progression of aggressive breast cancer subtypes. Of all clinically distinct types of breast cancers, the most lethal phenotypic variant is inflammatory breast cancer (IBC). Overexpression of epidermal growth factor receptors (EGFR/HER2) along with estrogen receptor (ER) negativity is common in IBC tumor cells, which instead of a solid mass present as rapidly proliferating diffuse tumor cell clusters. Our previous studies have demonstrated a role of an adaptive response of increased antioxidants in acquired resistance to EGFR-targeting drugs in IBC...
March 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28424080/erratum-to-hdac6-activity-is-a-non-oncogene-addiction-hub-for-inflammatory-breast-cancers
#6
Preeti Putcha, Jiyang Yu, Ruth Rodriguez-Barrueco, Laura Saucedo-Cuevas, Patricia Villagrasa, Eva Murga-Penas, Steven N Quayle, Min Yang, Veronica Castro, David Llobet-Navas, Daniel Birnbaum, Pascal Finetti, Wendy A Woodward, François Bertucci, Mary L Alpaugh, Andrea Califano, Jose Silva
No abstract text is available yet for this article.
April 19, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28423692/the-relationship-between-members-of-the-canonical-nf-%C3%AE%C2%BAb-pathway-components-of-tumour-microenvironment-and-survival-in-patients-with-invasive-ductal-breast-cancer
#7
Lindsay Bennett, Elizabeth A Mallon, Paul G Horgan, Andrew Paul, Donald C McMillan, Joanne Edwards
The aim of the present study was to examine the relationship between tumour NF-κB activation, tumour microenvironment including local inflammatory response (LIR) and cancer-specific survival in patients with operable ductal breast cancer.Immunohistochemistry (tissue microarray of 376 patients) and western blotting (MCF7 and MDA-MB-231 breast cancer cells) was performed to assess expression of key members of the canonical NF-κB pathway (inhibitory kappa B kinase (IKKβ) and phosphorylated p65 Ser-536 (p-p65))...
March 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28420987/curcumin-ameliorates-cisplatin-induced-nephrotoxicity-and-potentiates-its-anticancer-activity-in-sd-rats-potential-role-of-curcumin-in-breast-cancer-chemotherapy
#8
Parveen Kumar, Chandana C Barua, Kunjbihari Sulakhiya, Rajeev Kumar Sharma
Breast malignant neoplastic disease is one of the most complex diseases, as it is a multifactorial disease in which virtually all the targets are instantly or indirectly inter-reliant on each other. Cisplatin (CIS), an inorganic antineoplastic agent is widely utilized in the treatment of various solid tumors including breast cancer. Despite everything, its clinical use is limited, due to ototoxicity, peripheral neuropathy, and nephrotoxicity. The present work was directed to assess the combined result of curcumin (CUR) and CIS in 7, 12-dimethyl benz[a]anthracene (DMBA) induced breast cancer in rats and the prevention of nephrotoxicity induced by the latter...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28417091/biological-activities-of-curcuminoids-other-biomolecules-from-turmeric-and-their-derivatives-a-review
#9
REVIEW
Augustine Amalraj, Anitha Pius, Sreerag Gopi, Sreeraj Gopi
In recent years, several drugs have been developed deriving from traditional products and current drug research is actively investigating the possible therapeutic roles of many Ayruvedic and Traditional Indian medicinal therapies. Among those being investigated is Turmeric. Its most important active ingredient is curcuminoids. Curcuminoids are phenolic compounds commonly used as a spice, pigment and additive also utilized as a therapeutic agent used in several foods. Comprehensive research over the last century has revealed several important functions of curcuminoids...
April 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28415798/tumor-derived-il-18-induces-pd-1-expression-on-immunosuppressive-nk-cells-in-triple-negative-breast-cancer
#10
In Hae Park, Han Na Yang, Kyoung Joo Lee, Tae-Sik Kim, Eun Sook Lee, So-Youn Jung, Youngmee Kwon, Sun-Young Kong
PURPOSE: While the inflammatory cytokine interleukin-18 (IL-18) is known to activate natural killer (NK) cells, its precise role in cancer is controversial. In this study, we investigated the role of tumor-derived IL-18 on peripheral blood NK cells in breast cancer patients. RESULTS: In breast cancer cell lines, IL-18 was expressed and secreted in the triple-negative breast cancer (TNBC) cell lines MDA-MB-231 and HCC-70 but not in MCF-7 cells. The immature and non-cytotoxic CD56dimCD16dim/- NK cell fraction was increased following co-culture with MDA-MB-231 cells, and this increase was not observed with tumor cells transfected with siRNA for IL-18 or in MCF-7 cells...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415580/the-n-terminal-polypeptide-derived-from-viral-macrophage-inflammatory-protein-ii-reverses-breast-cancer-epithelial-tomesenchymal-transition-via-a-pdgfra-dependent-mechanism
#11
Qing-Ling Yang, Ling-Yu Zhang, Hai-Feng Wang, Yu Li, Yue-Yue Wang, Tian-Tian Chen, Meng-Fen Dai, Hai-Hua Wu, Su-Lian Chen, Wen-Rui Wang, Qiong Wu, Chang-Jie Chen, Cong-Zhao Zhou
NT21MP, a 21-residue peptide derived from the viral macrophage inflammatory protein II, competed effectively with the natural ligand of CXC chemokine receptor 4 (CXCR4), stromal cell-derived factor 1-alpha, to induce apoptosis and inhibit growth in breast cancer. Its role in tumor epithelial-to-mesenchymal transition (EMT) regulation remains unknown. In this study, we evaluated the reversal of EMT upon NT21MP treatment and examined its role in the inhibition of EMT in breast cancer. The parental cells of breast cancer (SKBR-3 and MCF-7) and paclitaxel-resistant (SKBR-3 PR and MCF-7 PR) cells were studied in vitro and in combined immunodeficient mice...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415012/discovery-of-2-4-6-dimethylpyrimidin-2-yl-thio-n-phenylacetamide-derivatives-as-new-potent-and-selective-human-sirtuin-2-inhibitors
#12
Lingling Yang, Xiaobo Ma, Chen Yuan, Yanying He, Ling Li, Sha Fang, Wei Xia, Tao He, Shan Qian, Zhihong Xu, Guobo Li, Zhouyu Wang
Human sirtuin 2 (SIRT2) plays pivotal roles in multiple biological processes such as cell cycle regulation, autophagy, immune and inflammatory responses. Dysregulation of SIRT2 was considered as a main aspect contributing to several human diseases, including cancer. Development of new potent and selective SIRT2 inhibitors is currently desirable, which may provide a new strategy for treatment of related diseases. Herein, a structure-based optimization approach led to new 2-((4,6-dimethylpyrimidin-2-yl)thio)-N-phenylacetamide derivatives as SIRT2 inhibitors...
April 12, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28412243/macrophage-conditioned-medium-induced-cellular-network-formation-in-mcf-7-cells-through-enhanced-tunneling-nanotube-formation-and-tunneling-nanotube-mediated-release-of-viable-cytoplasmic-fragments
#13
Pooja Patheja, Khageswar Sahu
Infiltrating macrophages in tumor microenvironment, through their secreted cytokines and growth factors, regulate several processes of cancer progression such as cancer cell survival, proliferation, invasion, metastasis and angiogenesis. Recently, intercellular cytoplasmic bridges between cancer cells referred as tunneling nanotubes (TNTs) have been recognized as novel mode of intercellular communication between cancer cells. In this study, we investigated the effect of inflammatory mediators present in conditioned medium derived from macrophages on the formation of TNTs in breast adenocarcinoma cells MCF-7...
April 12, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28408379/-obesity-associated-breast-cancer-in-lean-women-metabolism-and-inflammation-as-critical-modifiers-of-risk
#14
EDITORIAL
Gerald V Denis, Julie R Palmer
Why is obesity only weakly associated with certain "obesity-driven" cancers? Recent population studies identify cohorts of high body mass index (BMI) subjects with unexpectedly reduced risk for breast and colon cancer, and normal BMI subjects with unexpectedly elevated risk for breast cancer, provoking hard thinking about cellular and molecular mechanisms that most strongly couple obesity to cancer occurrence or progression. Emerging work suggests that abnormal metabolism and its associated chronic inflammation make the difference...
April 13, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28405519/the-interleukin-il-1r1-pathway-is-a-critical-negative-regulator-of-pymt-mediated-mammary-tumorigenesis-and-pulmonary-metastasis
#15
Maryse Dagenais, Jeremy Dupaul-Chicoine, Todd Douglas, Claudia Champagne, Alexandre Morizot, Maya Saleh
Breast cancer is the most common cancer in women and the second leading cause of female cancer-related deaths worldwide. Inflammation is an established hallmark of tumorigenesis and an important determinant of tumor outcome and response to therapy. With advances in cancer immunotherapy, there is an urgent need to dissect the contribution of specific immune effectors in cancer development. Here, we genetically investigated the role of the Interleukin-1 (IL-1) receptor 1 (IL-1R1) pathway in breast cancer tumorigenesis and metastasis using the MMTV-PyMT mouse model...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28405516/assessment-of-tumor-infiltrating-tcrv%C3%AE-9v%C3%AE-2-%C3%AE-%C3%AE-lymphocyte-abundance-by-deconvolution-of-human-cancers-microarrays
#16
Marie Tosolini, Frédéric Pont, Mary Poupot, François Vergez, Marie-Laure Nicolau-Travers, David Vermijlen, Jean-Emmanuel Sarry, Francesco Dieli, Jean-Jacques Fournié
Most human blood γδ cells are cytolytic TCRVγ9Vδ2(+) lymphocytes with antitumor activity. They are currently investigated in several clinical trials of cancer immunotherapy but so far, their tumor infiltration has not been systematically explored across human cancers. Novel algorithms allowing the deconvolution of bulk tumor transcriptomes to find the relative proportions of infiltrating leucocytes, such as CIBERSORT, should be appropriate for this aim but in practice they fail to accurately recognize γδ T lymphocytes...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28402277/the-influence-of-tumor-necrosis-factor-%C3%AE-on-the-tumorigenic-wnt-signaling-pathway-in-human-mammary-tissue-from-obese-women
#17
Agathe Roubert, Kelly Gregory, Yuyang Li, Anna C Pfalzer, Jinchao Li, Sallie S Schneider, Richard J Wood, Zhenhua Liu
Epidemiological studies have convincingly suggested that obesity is an important risk factor for postmenopausal breast cancer, but the mechanisms responsible for this relationship are still not fully understood. We hypothesize that obesity creates a low-grade inflammatory microenvironment, which stimulates Wnt-signaling and thereby promotes the development of breast cancer. To test this hypothesis, we evaluated the correlations between expression of multiple inflammatory cytokines and Wnt pathway downstream genes in mammary tissues from women (age ≥ 50) undergoing reduction mammoplasty...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28400477/il-4-primes-the-dynamics-of-breast-cancer-progression-via-dusp4-inhibition
#18
Miriam Gaggianesi, Alice Turdo, Aurora Chinnici, Elisa Lipari, Tiziana Apuzzo, Antonina Benfante, Isabella Sperduti, Simone Di Franco, Serena Meraviglia, Elena Lo Presti, Francesco Dieli, Valentina Caputo, Gabriella Militello, Salvatore Vieni, Giorgio Stassi, Matilde Todaro
The tumor microenvironment supplies pro-inflammatory cytokines favoring a permissive milieu for cancer cell growth and invasive behavior. Here we show how breast cancer progression is facilitated by IL-4 secreted by adipose tissue and estrogen receptor-positive and triple-negative breast cancer cell types. Blocking autocrine and paracrine IL-4 signaling with the IL-4Rα antagonist IL-4DM compromised breast cancer cell proliferation, invasion and tumor growth by downregulating MAPK pathway activity. IL-4DM reduced numbers of CD44+/CD24- cancer stem-like cells and elevated expression of the dual specificity phosphatase DUSP4 by inhibiting NF-kB...
April 11, 2017: Cancer Research
https://www.readbyqxmd.com/read/28398259/geospatial-analysis-of-inflammatory-breast-cancer-and-associated-community-characteristics-in-the-united-states
#19
Lia Scott, Lee R Mobley, Dora Il'yasova
Inflammatory breast cancer (IBC) is a rare and aggressive form of breast cancer, almost always diagnosed at late stage where mortality outcomes and morbidity burdens are known to be worse. Missed by mammography screening, IBC progresses rapidly and reaches late stage by the time of diagnosis. With an unknown etiology and poor prognosis, it is crucial to evaluate the distribution of the disease in the population as well as identify area social and economic contextual risk factors that may be contributing to the observed patterns of IBC incidence...
April 11, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28396978/a-novel-strategy-to-co-target-estrogen-receptor-and-nuclear-factor-%C3%AE%C2%BAb-pathways-with-hybrid-drugs-for-breast-cancer-therapy
#20
Irida Kastrati, Marton I Siklos, Svitlana D Brovkovych, Gregory R J Thatcher, Jonna Frasor
Nearly 75% of breast tumors express estrogen receptor (ER), and will be treated with endocrine therapy, such as selective estrogen receptor modulator (SERM), tamoxifen, or aromatase inhibitors. Despite their proven success, as many as 40-50% of ER+ tumors fail to respond to endocrine therapy and eventually recur as aggressive, metastatic cancers. Therefore, preventing and/or overcoming endocrine resistance in ER+ tumors remains a major clinical challenge. Deregulation or activation of the nuclear factor κB (NFκB) pathway has been implicated in endocrine resistance and poor patient outcome in ER+ tumors...
April 10, 2017: Hormones & Cancer
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