Search results for "Breast cancer cells"

showing 8 items of 38 documents

New complex polycyclic compounds: Synthesis, antiproliferative activity and mechanism of action

2020

Abstract Polycyclic or O-glycoconiugate polycyclic compounds 1a-g were previously tested for their in vitro antiproliferative activity. In this series of compounds, activity increases as log P decreases. Specifically, compounds 1d and 1g showed lower log P values together with the best antiproliferative profiles. With the aim of extending our understanding of the structure–activity relationship (SAR) of this class of compounds, we prepared new polycyclic derivatives 2a-c, which bear on each of the two phenyl rings hydrophilic substituents (OH, SO2NH2 or NHCOCH3). These substituents are able to form hydrogen bonds and to decrease the partition coefficient value as compared with compound 1d. …

StereochemistryO-glycoconjugate polycyclic compoundsApoptosisAntiproliferative activityCrystallography X-Ray01 natural sciencesBiochemistryStructure-Activity RelationshipBreast cancer cell lineCell Line TumorDrug DiscoverymedicineAutophagyMDA-MB231 breast cancer cellsHumansPolycyclic CompoundsCytotoxicityMolecular BiologyCell Proliferation010405 organic chemistryHydrogen bondChemistryOrganic ChemistryHydrogen BondingIn vitro0104 chemical sciencesPartition coefficient010404 medicinal & biomolecular chemistryMechanism of actionApoptosisPyrazolo[34-b]pyrazolo[3′4′:23]azepino[45-f]azocinemedicine.symptom
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DECORIN EFFECTS ON PROTEOMIC PROFILING OF BREAST CANCER CELLS: AN UPDATED STUDY

2015

The malignant carcinomas are characterized by several capabilities acquired by the neoplastic cells, among which the ability to invade the extracellular matrix (ECM) and to establish a crosstalk with several ECM components. Under this respect, the extracellular microenvironment is an entity extraordinarily rich of information with opposite signals. Our group has long undertaken the study of the effects of ECM molecules on the behavior of cancer cells in vitro. Among the studied molecules, the decorin was found to exert a non-permissive effect on the growth and motility of the transfected tumor cells. The decorin, belongs to the family of small leucine-rich proteoglycans (SLRP) and is involv…

The malignant carcinomas are characterized by several capabilities acquired by the neoplastic cells among which the ability to invade the extracellular matrix (ECM) and to establish a crosstalk with several ECM components. Under this respect the extracellular microenvironment is an entity extraordinarily rich of information with opposite signals. Our group has long undertaken the study of the effects of ECM molecules on the behavior of cancer cells in vitro. Among the studied molecules the decorin was found to exert a non-permissive effect on the growth and motility of the transfected tumor cells. The decorin belongs to the family of small leucine-rich proteoglycans (SLRP) and is involved physiologically in the fibrillogenesis of collagen. In the last few year a new anti-oncogenic role has been proposed for decorin1. This study aimed to implement the knowledge on the effects of ectopic decorin on breast cancer cells using as a reference point the results already achieved by our research group2 on the experimental model format. By breast cancer cell line 8701-BC and its transfected clone DEC-C2. The extension of the proteomic analysis combined with the mass spectrometry allowed to triplicate the number of identified proteins in our model. Among the newly identified proteins were members of the classes of metabolic enzymes S100 family and cell motility proteins which revealed a net decrease in the decorin transfected cells. Of considerable importance is the observation that these classes of proteins are the most involved in metastatic progression. These results confirm and reinforce the anti-oncogenic role hypothesized for decorin. The work was co-funded by the Italian 5x1000 to COBS.DECORIN
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Evaluation of cellular response of breast cancer cells grown on distinctive collagen substrates

2008

breast cancer cells proteomics collagen substratesSettore BIO/06 - Anatomia Comparata E Citologia
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JA47, a new histone deacetylase inhibitor that induces cytotoxic effects on triple-negative MDA-MB231 breast cancer cells in vitro

2012

histone deacetylase inhibitor cytotoxicity breast cancer cells autophagy reactive oxygen species cell cycleSettore BIO/06 - Anatomia Comparata E Citologia
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Biological effect of an hybrid anticancer agent based on kinase and histone deacetylase inhibitor on breast cancer cells

2014

histone deacetylase inhibitor hybrid drug breast cancer cellsSettore BIO/06 - Anatomia Comparata E Citologia
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Pure anti-oestrogens

2000

Pure anti-oestrogens are a group of at least five new compounds which are able to antagonize the effects of oestrogen in all tissues and species studied. The mechanism by which the pure anti-oestrogens produce their effects remains in question, but all of them are competitive antagonists of the oestrogen receptors and, moreover, have been proposed to block the shuttling of oestrogen receptors into the cell nucleus. When studied in vitro, these compounds are able to block the oestrogen-stimulated growth of breast cancer cells. In animals, their ability to block the effects of oestrogen on breast, uterus, bone, cardiovascular system and other reproductive-associated tissues has been demonstra…

medicine.medical_specialtyUterusBreast NeoplasmsBreast cancerInternal medicineAnimalsHumansMedicineIn patientskin and connective tissue diseasesReceptorFulvestrantEstradiolMolecular Structurebusiness.industryEstrogen AntagonistsObstetrics and Gynecologymedicine.diseaseIn vitroClinical trialEndocrinologymedicine.anatomical_structureReproductive MedicineCancer researchFemaleBreast cancer cellsbusinessTamoxifenmedicine.drugHuman Reproduction Update
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p38 MAPK in cadmium-treated MDA-MB231 breast cancer cells

2008

p38 MAPK cadmium breast cancer cellsSettore BIO/06 - Anatomia Comparata E Citologia
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The synergistic effect exerted by the HDAC inhibitor SAHA and the sesquiterpene lactone parthenolide on triple negative breast canc er cells

2014

Triple-negative breast cancer (TNBC) is a subtype o f breast cancer, insensitive to endocrine therapy. Chemotherapy is the main form of treatment, but is accompanied by a high rate of recidivism. The sesquiterpene lactone Parthenolide (PN) exerts a cy totoxic effect on MDA-MB231 cells, a TNBC cell line (1), but was ineffective at low doses (2-5μM). This repr esents an obstacle for a therapeutic utilization of PN. We supposed, in line with other authors (2), that PN c auses a protective response, which at low doses pre vails on the cytotoxic effect. With the aim of inhibiting this protective effect we have shown that pre-trea tment of MDA-MB231 cells with SAHA (2-5μM), an histone deace tylat…

triple negative breast cancer cells parthenolide istone deacetylates inhibitor apoptosis
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