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Oleanolic acid inhibits cell survival and proliferation of prostate cancer cells in vitro and in vivo through the PI3K/Akt pathway.

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Oleanolic acid (OA) is a naturally occurring pentacyclic triterpenoid and possesses diverse pharmacological activities, including anti-cancer effects that have been confirmed in multiple types of human cancers. However, the potential effect of natural OA on human prostate cancer is still unclear.

Oleanolic acid-loaded PLGA-TPGS nanoparticles combined with heparin sodium-loaded PLGA-TPGS nanoparticles for enhancing chemotherapy to liver cancer.

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OBJECTIVE Heparin sodium (HS)-loaded polylactic-co-glycolic acid-D-α-tocopheryl polyethylene glycol 1000 succinate (PLGA-TPGS) nanoparticles (HPTNs) were prepared as sustained and targeted delivery carriers and combined with oleanolic acid (OA)-loaded PLGA-TPGS nanoparticles (OPTNs) that had been

Preparation and antitumor evaluation of self-assembling oleanolic acid-loaded Pluronic P105/d-α-tocopheryl polyethylene glycol succinate mixed micelles for non-small-cell lung cancer treatment.

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Oleanolic acid (OA) is a triterpenoid found in various fruits and vegetables and used in traditional Chinese medicine. OA plays a crucial role in the treatment of several cancers, but poor water solubility, low permeability, and significant efflux have limited its widespread clinical use. Vitamin

Oleanolic Acid Loaded PEGylated PLA and PLGA Nanoparticles with Enhanced Cytotoxic Activity against Cancer Cells.

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Oleanolic acid (OA) is a natural triterpenoid with anticancer properties, but its hydrophobic nature and poor aqueous solubility pose challenges in pharmaceutical formulation development. The present study aimed at developing OA-loaded mPEG-PLGA or mPEG-PLA nanoparticles (NPs) to improve the

P-glycoprotein modulates oleanolic acid effects in hepatocytes cancer cells and zebrafish embryos.

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Oleanolic acid (OA) is a triterpenoid, widely found in plants and possesses antitumor activity in many cancer lines. However, cancer cells develop multidrug resistance (mdr) hindering the effect of anticancer drugs. P-glycoprotein (P-gp) is a major cause of mdr. Therefore, the cytotoxic effect of OA

Oleanolic acid reduces aerobic glycolysis-associated proliferation by inhibiting yes-associated protein in gastric cancer cells.

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Gastric cancer represents a common malignancy of digestive tract with high incidence and mortality. Increasing evidence suggests that the growth of gastric tumor cells relies largely on aerobic glycolysis. Currently, many potential anti-cancer candidates are derived from natural products. Here, we

Antiproliferative and apoptosis-inducing effects of maslinic and oleanolic acids, two pentacyclic triterpenes from olives, on HT-29 colon cancer cells.

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We have previously reported the anticarcinogenic effects of an olive fruit extract composed of pentacyclic triterpenes, the main components of which are maslinic acid (73.25%) and oleanolic acid (25.75%). Here we examined the effects of the individual components on proliferation, necrosis and

Oleanolic Acid A-lactams Inhibit the Growth of HeLa, KB, MCF-7 and Hep-G2 Cancer Cell Lines at Micromolar Concentrations.

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Oleanolic acid ketones, oximes, lactams and nitriles were obtained. Complete spectral characterizations (IR, (1)H NMR, (13)C NMR, DEPT and MS) of the synthesized compounds are presented. The derivatives had oxo, hydroxyimino, lactam or nitrile functions at the C-3 position, an esterified or

Oleanolic acid induces protective autophagy in cancer cells through the JNK and mTOR pathways.

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Autophagy is a biological process that eliminates damaged or excessive proteins and is utilized by various types of cells to maintain cellular homeostasis. Autophagy also occurs in cancer cells and exerts anti-survival or pro-survival effects depending on stimuli, nutrient and context. Oleanolic

3-O-[N-(p-fluorobenzenesulfonyl)-carbamoyl]-oleanolic acid, a semisynthetic analog of oleanolic acid, induces apoptosis in breast cancer cells.

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Oleanolic acid (OA), a pentacyclic triterpene acid widely distributed in food and traditional herbal remedies, exhibits diverse therapeutic effects. OA has been subjected to various chemical modifications to optimize its anticancer effect. Among other analogs,

Oleanolic acid suppresses the proliferation of human bladder cancer by Akt/mTOR/S6K and ERK1/2 signaling.

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Oleanolic acid has significant pharmacological activities, such as anti-tumor, regulating blood sugar level and liver protection, which are more effective compared with free aglyconeoleanolic acid. However, it is still unknown if oleanolic acid affects the proliferation of human bladder cancer. We

AMPK activation-dependent autophagy compromises oleanolic acid-induced cytotoxicity in human bladder cancer cells.

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Autophagy is an evolutionarily conserved catabolic process in eukaryotic cells, which allows cells to overcome a wide array of of stresses and has recently been shown to result in drug resistance. This study examined the effect of autophagy on oleanolic acid (OA)-induced cytotoxicity against bladder

In vitro anti-breast cancer activity of ethanolic extract of Wrightia tomentosa: role of pro-apoptotic effects of oleanolic acid and urosolic acid.

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BACKGROUND Wrightia tomentosa Roem. & Schult. (Apocynaceae) is known in the traditional medicine for anti-cancer activity along with other broad indications like snake and scorpion bites, renal complications, menstrual disorders etc. However, the anti-cancer activity of this plant or its

Inhibition of mTOR signaling by oleanolic acid contributes to its anti-tumor activity in osteosarcoma cells.

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Oleanolic acid (OA), a pentacyclic triterpenoid exhibits potent anti-tumor activity against many tumor cell lines. But the mechanisms through which OA inhibits osteosarcoma cells are not known. The mammalian target of rapamycin (mTOR) serves as a central regulator of cell growth, proliferation,

Oleanolic acid and ursolic acid induce apoptosis in four human liver cancer cell lines.

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Apoptotic effects of oleanolic acid (OA) and ursolic acid (UA) on human liver cancer HepG2, Hep3B, Huh7 and HA22T cell lines were examined. OA or UA at 2, 4, 8 micromol/L were used and their effects on cell viability, DNA fragmentation, mitochondrial membrane potential (MMP), activity of

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