adenosine diphosphate/breast neoplasms

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Prognostic and clinicopathological value of poly (adenosine diphosphate-ribose) polymerase expression in breast cancer: A meta-analysis.

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BACKGROUND Previous studies have shown that the poly (adenosine diphosphate-ribose) polymerase (PARP) level is a promising indicator of breast cancer. However, its prognostic value remains controversial. The present meta-analysis evaluated the prognostic value of PARP expression in breast

Cytoplasmic poly(adenosine diphosphate-ribose) polymerase expression is predictive and prognostic in patients with breast cancer treated with neoadjuvant chemotherapy.

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OBJECTIVE Poly(adenosine diphosphate-ribose) polymerase (PARP) plays a key role in DNA repair and cellular stress response. Inhibitors of PARP show promising clinical activity in metastatic, triple-negative or BRCA-mutated breast cancer. METHODS We investigated cytoplasmic PARP (cPARP) and nuclear

Novel treatment strategies in triple-negative breast cancer: specific role of poly(adenosine diphosphate-ribose) polymerase inhibition.

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Inhibitors of the poly(adenosine triphosphate-ribose) polymerase (PARP)-1 enzyme induce synthetic lethality in cancers with ineffective DNA (DNA) repair or homologous repair deficiency, and have shown promising clinical activity in cancers deficient in DNA repair due to germ-line mutation in BRCA1

Positron Emission Tomography Imaging of Poly-(Adenosine Diphosphate-Ribose) Polymerase 1 Expression in Breast Cancer: A Nonrandomized Clinical Trial.

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High nuclear poly(adenosine diphosphate-ribose) polymerase expression is predictive for BRCA1- and BRCA2-deficient breast cancer.

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Enzymes that hydrolyze adenine nucleotides in platelets from breast cancer patients.

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The activities of NTPDase (EC 3.6.1.5, apyrase, CD39) and 5'-nucleotidase (EC 3.1.3.5, CD73) enzymes were analyzed in platelets from breast cancer patients. Initially, patients were compared in terms of length (years) of tamoxifen use. The following groups were studied: breast cancer patients who

INPP4B overexpression enhances the antitumor efficacy of PARP inhibitor AG014699 in MDA-MB-231 triple-negative breast cancer cells.

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Although preclinical and clinical studies on poly-(adenosine diphosphate ribose) polymerase (PARP) inhibitor alone or in combination with DNA-damaging agents have shown promising results, further research to improve and broaden the application scope of this therapeutic approach is needed. The main

Apigenin induces caspase-dependent apoptosis by inhibiting signal transducer and activator of transcription 3 signaling in HER2-overexpressing SKBR3 breast cancer cells.

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Phytoestrogens have been demonstrated to inhibit tumor induction; however, their molecular mechanisms of action have remained elusive. The present study aimed to investigate the effects of a phytoestrogen, apigenin, on proliferation and apoptosis of the human epidermal growth factor receptor 2

Inhibition of the interactions between metastatic human breast cancer cells and platelets by β-nitrostyrene derivatives.

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OBJECTIVE The interactions between cancer cells and platelets have been recognized to play an important role in cancer progress as well as metastasis, and interference with cancer-platelet interactions is an attractive strategy for cancer therapy. In the present study, two β-nitrostyrene

PARP inhibitors in breast cancer: BRCA and beyond.

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DNA repair is essential for the survival of both normal and cancer cells. An elaborate set of signaling pathways detect single-strand and double-strand DNA breaks and mediate either DNA repair or apoptosis if the damage is too great to repair. Poly(adenosine diphosphate [ADP]-ribose) polymerases

Metastatic triple-negative breast cancer: Established and emerging treatments

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Metastatic triple-negative breast cancer (mTNBC) patients tend to have a poor overall survival. The primary goals of treatment focus on palliation of symptoms and improvement in overall survival (OS). Single-agent sequential chemotherapy with anthracycline or taxane has remained the cornerstone of

Vitamin E analog alpha-TEA, methylseleninic acid, and trans-resveratrol in combination synergistically inhibit human breast cancer cell growth.

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Alpha-tocopherol ether-linked acetic acid analog [2,5,7,8-tetramethyl-2R-(4R, 8R-12-trimethyltridecyl) chroman-6-yloxyacetic acid (alpha-TEA)] is a novel form of vitamin E effective at killing cancer cells but not normal cells. alpha -TEA alone and together with methylseleninic acid (MSA) and

[Molecular basis of breast cancer related to BRCA 1 and BRCA2 genes: characteristics and targeting therapy].

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Breast cancer is one of the most frequent tumors in women, and BRCA1 and BRCA2 genes play a major role in the hereditary susceptibility for this disease. Until the age of 70 women carrying a mutation in BRCA1 or BRCA2 gene have a 45-85% probability of developing breast cancer, and 11-62% probability

Systemic treatment strategies for triple-negative breast cancer.

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Triple-negative breast cancer (TNBC) is defined by the lack of immunohistochemical expression of the estrogen and progesterone receptors and human epidermal growth factor receptor 2 (EGFR2). Most TNBC has a basal-like molecular phenotype by gene expression profiling and shares clinical and

Effect of nanostructured TiO₂ crystal phase on photoinduced apoptosis of breast cancer epithelial cells.

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OBJECTIVE The use of nanoparticles has seen exponential growth in the area of health care, due to the unique physicochemical properties of nanomaterials that make them desirable for medical applications. The aim of this study was to examine the effects of crystal phase-nanostructured titanium

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