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Aspartic acid tagged carbon nanotubols as a tool to deliver docetaxel to breast cancer cells: Reduced hemotoxicity with improved cytotoxicity.

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The present study aimed to explore the potential of hydroxylated carbon nanotubes (CNTnols) conjugated with aspartic acid for the delivery of docetaxel (DTX) to breast cancer cells. The conjugate was well-characterized by FT-IR, NMR, XRD and FE-SEM. The nanoconjugate offered a hydrodynamic diameter

Inhibition of proliferative and invasive capacities of breast cancer cells by arginine-glycine-aspartic acid peptide in vitro.

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The Arg-Gly-Asp (RGD) sequence was selected by using phage-display peptides to target tumors, focusing on targeting alpha(v) integrins in tumor blood vessels. Recent studies suggest that peptides containing the RGD sequence can bind to tumor cells, as well as tumor endothelial cells. To investigate

Prognostic Value of 68Ga-NOTA-RGD PET/CT for Predicting Disease-Free Survival for Patients With Breast Cancer Undergoing Neoadjuvant Chemotherapy and Surgery: A Comparison Study With Dynamic Contrast Enhanced MRI.

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OBJECTIVE We performed pretreatment angiogenesis imaging (Ga-NOTA-arginyl-glycyl-aspartic acid [RGD] PET/CT) to compare its prognostic value to dynamic contrast-enhanced (DCE) MRI in breast cancer patients. METHODS Forty-four female patients with stage II or III breast cancer (aged 47.3 ± 8.1 years)

The glycine 90 to aspartate alteration in the Abeta subunit of PP2A (PPP2R1B) associates with breast cancer and causes a deficit in protein function.

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Mutations of the PPP2R1B gene, which encodes the Abeta scaffolding subunit of serine/threonine protein phosphatase 2A (PP2A), have been identified in several types of cancer including lung and breast carcinoma. One of these mutations results in an alteration of glycine 90 to aspartic acid (G90D),

Cytotoxicity and Apoptosis Inducing Activities of 2-Amino-4H-chromene-3-carbonitrile Derivatives Loaded on Gold Nanoparticles Against Human Breast Cancer Cell Line T47D.

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Chemotherapy drugs, used for prevention of uncontrolled cell proliferation in certain tissues as well as inducing apoptosis in tumor cells, are important candidates for treatment of cancer. The synthesized 2-amino-4H-chromene-3-carbonitrile derivatives effective on cancerous cells resistant to other

pH-Dependent transport of pemetrexed by breast cancer resistance protein.

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Breast cancer resistance protein (BCRP), an ATP-dependent efflux transporter, confers drug resistance to many chemotherapy agents. BCRP is overexpressed in tumors exposed to an acidic environment; therefore, it is important to establish the effect of low pH on BCRP transport activity. It has

The Maxi-K (BK) Channel Antagonist Penitrem A as a Novel Breast Cancer-Targeted Therapeutic.

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Breast cancer (BC) is a heterogeneous disease with different molecular subtypes. The high conductance calcium-activated potassium channels (BK, Maxi-K channels) play an important role in the survival of some BC phenotypes, via membrane hyperpolarization and regulation of cell cycle. BK channels have

Heterologous expression and characterization of the aspartic endoprotease Pep4um from Ustilago maydis, a homolog of the human Chatepsin D, an important breast cancer therapeutic target.

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The pep4um gene (um04926) of Ustilago maydis encodes a protein related to either vacuolar or lysosomal aspartic proteases. Bioinformatic analysis of the Pep4um protein revealed that it is a soluble protein with a signal peptide suggesting that it likely passes through the secretory pathway, and it

Tobacco mosaic virus-based protein nanoparticles and nanorods for chemotherapy delivery targeting breast cancer.

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Drug delivery systems are required for drug targeting to avoid adverse effects associated with chemotherapy treatment regimes. Our approach is focused on the study and development of plant virus-based materials as drug delivery systems; specifically, this work focuses on the tobacco mosaic virus

Graviola attenuates DMBA-induced breast cancer possibly through augmenting apoptosis and antioxidant pathway and downregulating estrogen receptors.

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Breast cancer is a global public health problem where it is the second most prevalent cancer. Historical cancer treatment with graviola has been reported. This study aimed to investigate the protective effects of graviola on 7,12-dimethylbenz[a]anthracene (DMBA)-induced rat breast cancer. Fifty

Improved synergetic therapy efficiency of cryoablation and nanoparticles for MCF-7 breast cancer.

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Current cryoablation therapy easily induces a high tumor recurrence, it is therefore necessary to develop an effective method to enhance its antitumor efficacy. We solve the aforementioned problem by introducing doxorubicin (DOX) loading methoxy polyethylene glycol-polylactic-co-glycolic

SUSD2 Proteolytic Cleavage Requires the GDPH Sequence and Inter-Fragment Disulfide Bonds for Surface Presentation of Galectin-1 on Breast Cancer Cells.

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Galectin-1 (Gal-1) is a 14 kDa protein that has been well characterized for promoting cancer metastasis and tumor immune evasion. By localizing to the cancer cell surface, Gal-1 induces T cell apoptosis through binding T cell surface receptors. The transmembrane protein, Sushi Domain Containing 2

RGD-Targeted Liposome Binding and Uptake on Breast Cancer Cells Is Dependent on Elastin Linker Secondary Structure.

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The linker between the targeting moiety and the nanoparticle is often overlooked when engineering targeted drug delivery vehicles. We hypothesized that pH-triggered conformational changes of an elastin-like peptide (ELP) linker, with repeating VPGVG sequences, could alter the binding affinity of the

Imaging breast cancer cells and tissues using peptide-labeled fluorescent silica nanoparticles.

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The imaging of tumor cells and tumor tissue samples is very important for cancer detection and therapy. We have taken advantages of fluorescent silica nanoparticles (FSiNPs) coupled with a molecular recognition element that allows for effective in vitro and ex vivo imaging of tumor cells and

Targeted fluorescent magnetic nanoparticles for imaging of human breast cancer.

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Magnetic nanoclusters coated with ruthenium (II) complexes doped with silica (fluorescent magnetic nanoparticles or FMNPs) could be used for magnetic resonance imaging (MRI) and optical imaging (OI) of human breast cancer. To achieve the targeting imaging of tumors, the peptide

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