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betulinic acid/brustkrebs
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Seite 1 von 48 Ergebnisse
Betulinic acid-induced cytotoxicity in human breast tumor cell lines MCF-7 and T47D and its modification by tocopherol.
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Betulinic acid (BA) has been shown to cause apoptosis in neuroblastoma and melanoma cell lines. We evaluated the cytotoxicity of BA in two breast cancer cell lines MCF-7 and T47D differing in their p53 status. Treatment with BA resulted in a dose dependent inhibition of cell proliferation and
Betulinic acid induces apoptosis and ultrastructural changes in MDA-MB-231 breast cancer cells.
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The aim of this study is to investigate the effects of betulinic acid (BA) on triple-negative breast cancer MDA-MB-231 cells and observe the ultrastructural changes. The concentration of BA required to induce apoptosis in MDA-MB-231 cells has been previously reported. In this study, a cell counting
Selective estrogen receptor modulators and betulinic acid act synergistically to target ERα and SP1 transcription factor dependent Pygopus expression in breast cancer.
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OBJECTIVE
Estrogen and progesterone hormone receptor (ER and PR) expression in invasive breast cancer predicts response to hormone disruptive therapy. Pygopus2 (hPYGO2) encodes a chromatin remodelling protein important for breast cancer growth and cell cycle progression. The aims of this study were
Multiple molecular targets in breast cancer therapy by betulinic acid.
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Breast cancer is the second most common type of cancer in the world, and is by far the most prevalent form of cancer in women. However, the efficacy of current treatments for breast cancer is limited. In addition to the high risk of recurrence, some of these have side effects that significantly
Betulinic acid decreases ER-negative breast cancer cell growth in vitro and in vivo: role of Sp transcription factors and microRNA-27a:ZBTB10.
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Betulinic acid (BA), a pentacyclic triterpenoid isolated from tree bark is cytotoxic to cancer cells. There is evidence that specificity proteins (Sps), such as Sp1, Sp3, and Sp4, are overexpressed in tumors and contribute to the proliferative and angiogenic phenotype associated with cancer cells.
The efficacy of betulinic acid in triple-negative breast cancer.
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OBJECTIVE
The treatment of triple-negative breast cancer remains a daunting challenge with the standard-of-care treatments eventually failing due to acquired drug resistance, toxic side effects and the presence of a deregulated immune response. New treatments for overcoming these drawbacks include
Paclitaxel-betulinic acid hybrid nanosuspensions for enhanced anti-breast cancer activity.
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Paclitaxel-betulinic acid hybrid nanosuspensions (PTX-BA-NP) with increased anti-breast cancer activity were developed. The resultant nanosuspensions (NP) had a mean particle size of 282.54 ± 5.4 nm, a polydispersity index of approximately 0.242 ± 0.02, a zeta potential of -19.7 ± 0.19 mV and a
Betulinic Acid Suppresses Breast Cancer Metastasis by Targeting GRP78-Mediated Glycolysis and ER Stress Apoptotic Pathway.
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Targeting aberrant metabolism is a promising strategy for inhibiting cancer growth and metastasis. Research is now geared towards investigating the inhibition of glycolysis for anticancer drug development. Betulinic acid (BA) has demonstrated potent anticancer activities in multiple malignancies.
Betulinic acid, a bioactive pentacyclic triterpenoid, inhibits skeletal-related events induced by breast cancer bone metastases and treatment.
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Many breast cancer patients experience bone metastases and suffer skeletal complications. The present study provides evidence on the protective and therapeutic potential of betulinic acid on cancer-associated bone diseases. Betulinic acid is a naturally occurring triterpenoid with the beneficial
Betulinic acid targets YY1 and ErbB2 through cannabinoid receptor-dependent disruption of microRNA-27a:ZBTB10 in breast cancer.
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Treatment of ErbB2-overexpressing BT474 and MDA-MB-453 breast cancer cells with 1 to 10 μmol/L betulinic acid inhibited cell growth, induced apoptosis, downregulated specificity protein (Sp) transcription factors Sp1, Sp3, and Sp4, and decreased expression of ErbB2. Individual or combined knockdown
Betulinic acid chemosensitizes breast cancer by triggering ER stress-mediated apoptosis by directly targeting GRP78.
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Stress-induced cellular defense machinery has a critical role in mediating cancer drug resistance, and targeting stress-related signaling has become a novel strategy to improve chemosensitivity. Betulinic acid (BA) is a naturally occurring pentacyclic triterpenoid with potent anticancer
Betulinic acid impairs metastasis and reduces immunosuppressive cells in breast cancer models.
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Breast cancer is the most common female cancer with considerable metastatic potential, explaining the need for new candidates that inhibit tumor metastasis. In our study, betulinic acid (BA), a kind of pentacyclic triterpenoid compound derived from birch trees, was evaluated for its anti-metastasis
Apoptosis of human breast cancer cells induced by microencapsulated betulinic acid from sour jujube fruits through the mitochondria transduction pathway.
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Betulinic acid (BA), a natural pentacyclic triterpenoid, was isolated from sour jujube fruits for the first time. An inclusion complex comprising BA and β-cyclodextrin (β-CD) was formed to improve the dissolution of BA, but little is known about its anticancer effect. In this study, the
Betulinic acid suppresses breast cancer aerobic glycolysis via caveolin-1/NF-κB/c-Myc pathway.
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Emerging evidence has suggested that targeting glycolysis may be a promising strategy for cancer treatment. Betulinic acid (BA) is a natural pentacyclic terpene that has been reported to be active in inhibiting various malignancies. Here, we showed that BA could inhibit aerobic glycolysis activity
3-O-(E)-p-Coumaroyl betulinic acid possess anticancer activity and inhibit Notch signaling pathway in breast cancer cells and mammosphere
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Activation of Notch signaling is associated with tumor aggressiveness, poor clinical outcome and drug resistance in breast cancer patients. Targeting Notch signaling with small molecule inhibitors may be a better strategy for anticancer drug development. We identified 3-O-(E)-p-Coumaroylbetulinic
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