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inflammatory breast cancer gene expression

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https://www.readbyqxmd.com/read/29913427/formononetin-inhibits-neuroinflammation-and-increases-estrogen-receptor-beta-er%C3%AE-protein-expression-in-bv2-microglia
#1
Abdelmeniem El-Bakoush, Olumayokun A Olajide
Formononetin is a bioactive non-steroidal polyphenol found in a variety of plants. In this study we evaluated the effects of formononetin on neuroinflammation in LPS-stimulated BV2 microglia. Results showed that formononetin significantly reduced the production of TNF-α, IL-6 and IL-1β, nitrite and PGE2 , as well as protein levels of iNOS and COX-2. Reporter gene assays showed that formononetin produced inhibition of NF-κB luciferase activity in HEK293 cells stimulated with TNF-α. Immunoblotting experiments revealed an inhibition of IKKα phosphorylation, with the resultant attenuation of phosphorylation and degradation of IκBα following LPS stimulation...
June 15, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29872500/regulatory-role-of-resveratrol-a-microrna-controlling-compound-in-hnrnpa1-expression-which-is-associated-with-poor-prognosis-in-breast-cancer
#2
Kurataka Otsuka, Yusuke Yamamoto, Takahiro Ochiya
Certain lifestyles, such as unhealthy eating habits, are associated with an increased risk for several diseases, including cancer. Recently, some naturally occurring compounds, such as resveratrol, have been shown to regulate microRNA (miRNA) expression in a positive manner; this regulatory activity is likely to be advantageous for cancer prevention and treatment. Resveratrol, a multi-functional polyphenolic phytoalexin, has been known to exert anti-tumorigenic and anti-inflammatory effects and to regulate miRNA expression...
May 15, 2018: Oncotarget
https://www.readbyqxmd.com/read/29858753/mammary-stem-cell-and-macrophage-markers-are-enriched-in-normal-tissue-adjacent-to-inflammatory-breast-cancer
#3
Jay P Reddy, Rachel L Atkinson, Richard Larson, Jared K Burks, Daniel Smith, Bisrat G Debeb, Brian Ruffell, Chad J Creighton, Arvind Bambhroliya, James M Reuben, Steven J Van Laere, Savitri Krishnamurthy, William F Symmans, Abenaa M Brewster, Wendy A Woodward
INTRODUCTION: We hypothesized that breast tissue not involved by tumor in inflammatory breast cancer (IBC) patients contains intrinsic differences, including increased mammary stem cells and macrophage infiltration, which may promote the IBC phenotype. MATERIALS AND METHODS: Normal breast parenchyma ≥ 5 cm away from primary tumors was obtained from mastectomy specimens. This included an initial cohort of 8 IBC patients and 60 non-IBC patients followed by a validation cohort of 19 IBC patients and 25 non-IBC patients...
June 1, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29842969/serglycin-promotes-breast-cancer-cell-aggressiveness-induction-of-epithelial-to-mesenchymal-transition-proteolytic-activity-and-il-8-signaling
#4
Panagiotis Bouris, Dimitra Manou, Anastasia Sopaki-Valalaki, Anthi Kolokotroni, Aristidis Moustakas, Aastha Kapoor, Renato V Iozzo, Nikos K Karamanos, Achilleas D Theocharis
Serglycin is an intracellular proteoglycan that is expressed and constitutively secreted by numerous malignant cells, especially prominent in the highly-invasive, triple-negative MDA-MB-231 breast carcinoma cells. Notably, de novo expression of serglycin in low aggressive estrogen receptor α (ERα)-positive MCF7 breast cancer cells promotes an aggressive phenotype. In this study, we discovered that serglycin promoted epithelial to mesenchymal transition (EMT) in MCF7 cells as shown by increased expression of mesenchymal markers vimentin, fibronectin and EMT-related transcription factor Snail2...
May 26, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29768500/clinically-relevant-inflammatory-breast-cancer-patient-derived-xenograft-derived-ex-vivo-model-for-evaluation-of-tumor-specific-therapies
#5
Bedrich L Eckhardt, Maria Gagliardi, LaKesla Iles, Kurt Evans, Cristina Ivan, Xiuping Liu, Chang-Gong Liu, Glauco Souza, Arvind Rao, Funda Meric-Bernstam, Naoto T Ueno, Geoffrey A Bartholomeusz
Inflammatory breast cancer (IBC) is a rare and aggressive presentation of invasive breast cancer with a 62% to 68% 5-year survival rate. It is the most lethal form of breast cancer, and early recognition and treatment is important for patient survival. Like non-inflammatory breast cancer, IBC comprises multiple subtypes, with the triple-negative subtype being overrepresented. Although the current multimodality treatment regime of anthracycline- and taxane-based neoadjuvant therapy, surgery, and radiotherapy has improved the outcome of patients with triple-negative IBC, overall survival continues to be worse than in patients with non-inflammatory locally advanced breast cancer...
2018: PloS One
https://www.readbyqxmd.com/read/29748880/the-cytotoxic-effects-of-propolis-on-breast-cancer-cells-involve-pi3k-akt-and-erk1-2-pathways-mitochondrial-membrane-potential-and-reactive-oxygen-species-generation
#6
Yahima Frión-Herrera, Alexis Díaz-García, Jenny Ruiz-Fuentes, Hermis Rodríguez-Sánchez, José M Sforcin
Propolis has been extensively used to improve health and prevent inflammatory diseases. Different types of Cuban propolis (red, brown and yellow) have been documented. The purpose of this research was to investigate the cytotoxic effects of Cuban red propolis (CP) on MDA MB-231 cell line, since breast cancer is considered one of the most common causes of mortality among women. Antiproliferative and cytotoxic activity of CP against MDA MB-231 cells were determined by the 3-[4,5-dimethylth-iazol-2-yl]-2,5-diphenyl tetrazoliumbromide (MTT) and lactate dehydrogenase (LDH) assays...
May 10, 2018: Inflammopharmacology
https://www.readbyqxmd.com/read/29736687/cyclooxygenase-and-lipoxygenase-gene-expression-in-the-inflammogenesis-of-breast-cancer
#7
Brian M Kennedy, Randall E Harris
We examined the expression of major inflammatory genes, cyclooxygenase-1 and 2 (COX1, COX2) and arachidonate 5-lipoxygenase (ALOX5) in 1090 tumor samples of invasive breast cancer from The Cancer Genome Atlas (TCGA). Mean cyclooxygenase expression (COX1 + COX2) ranked in the upper 99th percentile of all 20,531 genes and surprisingly, the mean expression of COX1 was more than tenfold higher than COX2. Highly significant correlations were observed between COX2 with eight tumor-promoting genes (EGR2, IL6, RGS2, B3GNT5, SGK1, SLC2A3, SFRP1 and ETS2) and between ALOX5 and ten tumor promoter genes (CD33, MYOF1, NLRP1, GAB3, CD4, IFR8, CYTH4, BTK, FGR, CD37)...
May 7, 2018: Inflammopharmacology
https://www.readbyqxmd.com/read/29706301/inflammatory-breast-cancer-the-pathologists-perspective
#8
REVIEW
G Cserni, E Charafe-Jauffret, P J van Diest
Inflammatory breast cancer (IBC) is a clinico-pathological entity, which has specific features of inflammation and pathological evidence of cancer, most often involving dermal lymphatics. This review looks at IBC from the pathologists point of view. The diagnostic criteria and differential diagnosis are summarized first. The staging implications are described next. Despite the overall poor prognosis of IBC, it is heterogeneous in terms of most prognostic and predictive factors (such as histological type, grade, receptor status, intrinsic subtype, inflammatory infiltrate)...
April 18, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29706185/hypoxia-induced-emt-a-review-on-the-mechanism-of-tumor-progression-and-metastasis-in-oscc
#9
REVIEW
Joel P Joseph, M K Harishankar, Aruthra Arumugam Pillai, Arikketh Devi
Hypoxia, a condition of low oxygen tension in tissues, has emerged as a crucial factor in tumor pathophysiology. Hypoxic microenvironment gives rise to altered cellular metabolism and triggers varied molecular responses. These responses promote tumor progression and confer radiation resistance and chemo resistance to tumors. The predominant molecules that are associated with hypoxia research are the hypoxia inducible factors (HIFs). HIFs are known to regulate a large group of genes that are involved in cell survival, proliferation, motility, metabolism, pH regulation, extracellular matrix function, inflammatory cell recruitment and angiogenesis by inducing the expression of their downstream target genes...
May 2018: Oral Oncology
https://www.readbyqxmd.com/read/29703252/investigation-of-the-slc22a23-gene-in-laryngeal-squamous-cell-carcinoma
#10
Seda Ekizoglu, Didem Seven, Turgut Ulutin, Jalal Guliyev, Nur Buyru
BACKGROUND: Laryngeal squamous cell carcinoma (LSCC) is the second most common cancer of the head and neck. In order to identify differentially expressed genes which may have a role in LSCC carcinogenesis, we performed GeneFishing Assay. One of the differentially expressed genes was the SLC22A23 (solute carrier family 22, member 23) gene. SLC22A23 belongs to a family of organic ion transporters that are responsible for the absorption or excretion of many drugs, xenobiotics and endogenous compounds in a variety of tissues...
April 27, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29682184/canonical-nf-%C3%AE%C2%BAb-signaling-in-myeloid-cells-promotes-lung-metastasis-in-a-mouse-breast-cancer-model
#11
Tobias Neumann, Özge Canli, Florian R Greten
An inflammatory tumor microenvironment is a common characteristic of solid tumors. It is the result of a complex interplay between tumor cells, tumor infiltrating immune cells and other stromal cells. Myeloid cells in the tumor microenvironment are considered major drivers of tumor progression and metastasis and increased numbers of these cells are associated with poor prognosis in various cancer patients. The transcription factor NF-κB is considered the master regulator of inflammatory gene expression and immune cell function...
March 30, 2018: Oncotarget
https://www.readbyqxmd.com/read/29662164/transcription-factors-operate-across-disease-loci-with-ebna2-implicated-in-autoimmunity
#12
John B Harley, Xiaoting Chen, Mario Pujato, Daniel Miller, Avery Maddox, Carmy Forney, Albert F Magnusen, Arthur Lynch, Kashish Chetal, Masashi Yukawa, Artem Barski, Nathan Salomonis, Kenneth M Kaufman, Leah C Kottyan, Matthew T Weirauch
Explaining the genetics of many diseases is challenging because most associations localize to incompletely characterized regulatory regions. Using new computational methods, we show that transcription factors (TFs) occupy multiple loci associated with individual complex genetic disorders. Application to 213 phenotypes and 1,544 TF binding datasets identified 2,264 relationships between hundreds of TFs and 94 phenotypes, including androgen receptor in prostate cancer and GATA3 in breast cancer. Strikingly, nearly half of systemic lupus erythematosus risk loci are occupied by the Epstein-Barr virus EBNA2 protein and many coclustering human TFs, showing gene-environment interaction...
May 2018: Nature Genetics
https://www.readbyqxmd.com/read/29656985/in-silico-analysis-of-the-potential-mechanism-of-telocinobufagin-on-breast-cancer-mcf-7-cells
#13
Yi-Wu Dang, Peng Lin, Li-Min Liu, Rong-Quan He, Li-Jie Zhang, Zhi-Gang Peng, Xiao-Jiao Li, Gang Chen
BACKGROUNDS AND AIMS: The extractives from a ChanSu, traditional Chinese medicine, have been discovered to possess anti-inflammatory and tumor-suppressing abilities. However, the molecular mechanism of telocinobufagin, a compound extracted from ChanSu, on breast cancer cells has not been clarified. The aim of this study is to investigate the underlying mechanism of telocinobufagin on breast cancer cells. METHODS AND MATERIALS: The differentially expressed genes after telocinobufagin treatment on breast cancer cells were searched and downloaded from Gene Expression Omnibus (GEO), ArrayExpress and literatures...
May 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29618430/anti-proliferative-and-anti-inflammatory-activities-of-entophytic-penicillium-crustosum-from-phoenix-dactylifer
#14
Nael Abutaha, Abdelhabib Semlali, Almohannad Baabbad, Muhammed Al-Shami, Mohammad Alanazi, Muhammad A Wadaan
Natural sources have been and will remain an inspiration source for modern chemistry. The current study investigates the antiproliferative and anti-inflammatory action of the ethyl acetate fraction of Penicillium crustosum from Phoenix dactylifera. This paper reports the isolation of P. crustosum from leaves of P. dactylifera and the antiproliferative activities of ethyl acetate fraction on cancer cells. To reach this goal, the anti-proliferation and cytotoxicity effects were evaluated by MTT and LDH assay respectively...
March 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29617367/gene-set-analysis-of-post-lactational-mammary-gland-involution-gene-signatures-in-inflammatory-and-triple-negative-breast-cancer
#15
Arvind Bambhroliya, Renae D Van Wyhe, Swaminathan Kumar, Bisrat G Debeb, Jay P Reddy, Steve Van Laere, Randa El-Zein, Arvind Rao, Wendy A Woodward
BACKGROUND: Epidemiological studies have found that triple-negative breast cancer (TNBC) and TN inflammatory breast cancer (IBC) are associated with lower frequency and duration of breast-feeding compared to non-TNBC and non-TN IBC, respectively. Limited breast-feeding could reflect abrupt or premature involution and contribute to a "primed" stroma that is permissive to the migration of cancer cells typical of IBC. We hypothesized that gene expression related to abrupt mammary gland involution after forced weaning may be enriched in the tissues of IBC patients and, if so, provide a potential correlation between limited breast-feeding and the development of aggressive breast cancer...
2018: PloS One
https://www.readbyqxmd.com/read/29615116/expression-and-in-vitro-assessment-of-tumorigenicity-for-nod1-and-nod2-receptors-in-breast-cancer-cell-lines
#16
Fernando J Velloso, Mari Cleide Sogayar, Ricardo G Correa
OBJECTIVE: Immune-related pathways have been frequently associated to tumorigenesis. NOD1 and NOD2 are innate immune receptors responsible for sensing a subset of bacterial-derived components, and to further translate these pathogenic signals through pro-inflammatory and survival pathways. NOD1 and NOD2 have been further associated with tumorigenesis, particularly in gastrointestinal cancers. NOD1 has also been suggested to be a tumor suppressor gene in a model of estrogen receptor-dependent breast cancer...
April 3, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29600521/phytosomal-curcumin-antagonizes-cell-growth-and-migration-induced-by-thrombin-through-amp-kinase-in-breast-cancer
#17
Milad Hashemzehi, Reihane Behnam-Rassouli, Seyed Mahdi Hassanian, Maryam Moradi-Binabaj, Reyhaneh Moradi-Marjaneh, Farzad Rahmani, Hamid Fiuji, Mahdi Jamili, Mahdi Mirahmadi, Nadia Boromand, Mehran Piran, Mohieddin Jafari, Amirhossein Sahebkar, Amir Avan, Majid Khazaei
Here we explored the antitumor-activity of novel-formulated-form of curcumin (phytosomal-encapsulated-curcumin) or in combination with 5-FU in breast cancer. The antiproliferative activity was assessed in 2D and 3-dimensional cell-culture-model. The migratory-behaviors of the cells were determined by migration assay. The expression levels of CyclinD1,GSK3a/b, P-AMPK, MMP9, and E-cadherin were studied by qRT-PCR and/or Western blotting. The anti-inflammatory of nano-curcumin was assessed, while antioxidant activity was evaluated by malondialdehyde (MDA), superoxide dismutase (SOD), catalase (CAT), and total thiols (T-SH)...
March 30, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29582634/characterization-of-apoptosis-in-a-breast-cancer-cell-line-after-il-10-silencing
#18
Moureq R Alotaibi, Zeinab K Hassan, Salim S Al-Rejaie, Musaad A Alshammari, Mashal M Almutairi, Ali R Alhoshani, Wael A Alanazi, Mohamed M Hafez, Othman A Al-Shabanah
Background: Breast cancer is affected by the immune system in that different cytokines play roles in its initiation and progression. Interleukin-10 (IL-10), an anti-inflammatory cytokine, is an immunosuppressive factor involved in tumorigenesis. The present study was conducted to investigate the gene silencing effect of a small interference RNA (siRNA) targeting IL-10 on the apoptotic pathway in breast cancer cell line. Methods: The siRNA targeting IL-10 and a glyceraldehyde 3-phosphate dehydrogenase (GAPDH) clone were introduced into MDA-MB-231 cells...
March 27, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29564740/pre-operative-progesterone-benefits-operable-breast-cancer-patients-by-modulating-surgical-stress
#19
Shatakshee Chatterjee, Rohan Chaubal, Arindam Maitra, Nilesh Gardi, Amit Dutt, Sudeep Gupta, Rajendra A Badwe, Partha P Majumder, Priyanka Pandey
PURPOSE: We have reported a survival benefit of single injection of hydroxyprogesterone prior to surgery for primary tumour in patients with node-positive operable breast cancer. Hydroxyprogesterone was meant to recapitulate the luteal phase of menstrual cycle in these women. We wanted to understand the molecular basis of action of hydroxyprogesterone on primary breast tumours in a peri-operative setting. METHODS: We performed whole transcriptome sequencing (RNA-Seq) of primary breast tumour samples collected from patients before and after hydroxyprogesterone exposure and controls...
March 21, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29539425/the-cdk4-6-inhibitor-abemaciclib-induces-a-t-cell-inflamed-tumor-microenvironment-and-enhances-the-efficacy-of-pd-l1-checkpoint-blockade
#20
David A Schaer, Richard P Beckmann, Jack A Dempsey, Lysiane Huber, Amelie Forest, Nelusha Amaladas, Yanxia Li, Ying Cindy Wang, Erik R Rasmussen, Darin Chin, Andrew Capen, Carmine Carpenito, Kirk A Staschke, Linda A Chung, Lacey M Litchfield, Farhana F Merzoug, Xueqian Gong, Philip W Iversen, Sean Buchanan, Alfonso de Dios, Ruslan D Novosiadly, Michael Kalos
Abemaciclib, an inhibitor of cyclin dependent kinases 4 and 6 (CDK4/6), has recently been approved for the treatment of hormone receptor-positive breast cancer. In this study, we use murine syngeneic tumor models and in vitro assays to investigate the impact of abemaciclib on T cells, the tumor immune microenvironment and the ability to combine with anti-PD-L1 blockade. Abemaciclib monotherapy resulted in tumor growth delay that was associated with an increased T cell inflammatory signature in tumors. Combination with anti-PD-L1 therapy led to complete tumor regressions and immunological memory, accompanied by enhanced antigen presentation, a T cell inflamed phenotype, and enhanced cell cycle control...
March 13, 2018: Cell Reports
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