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Page 1 de 39 résultats
Anti-snake venom activities of ethanolic extract of fruits of Piper longum L. (Piperaceae) against Russell's viper venom: characterization of piperine as active principle.
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BACKGROUND
Piper longum L. fruits have been traditionally used against snakebites in north-eastern and southern region of India.
OBJECTIVE
To examine the ability of ethanolic extract of fruits of Piper longum L., Piperaceae (PLE) and piperine, one of the main active principles of Piper longum, to
Piperine inhibits lipopolysaccharide-induced maturation of bone-marrow-derived dendritic cells through inhibition of ERK and JNK activation.
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Piperine, one of the main components of Piper longum Linn. and P. nigrum Linn., is a plant alkaloid with a long history of medicinal use. Piperine has been shown to modulate the immune response, but the mechanism underlying this modulation remains unknown. Here, we examined the effects of piperine
Effect of piperine on inhibition of FFA induced TLR4 mediated inflammation and amelioration of acetic acid induced ulcerative colitis in mice.
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BACKGROUND
Piperine, a main component of Piper longum Linn. and Piper nigrum Linn., is a plant alkaloid with a long history of medicinal use. Piperine exhibits antidepressant, hepatoprotective, anti-metastatic, anti-thyroid, immunomodulatory, antitumor and anti-inflammatory activities, However its
Effect of piperine on the inhibition of nitric oxide (NO) and TNF-alpha production.
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Effect of piperine which is an alkaloid present in plants such as Piper nigrum and Piper longum on the production of nitric oxide (NO) and tumor necrosis factor-alpha (TNF-alpha) level was analyzed using in vitro as well as in vivo systems. The level of nitrite in the LPS stimulated Balb/C mice
Comparative immunohistological study on using capsaicin, piperine, and okadaic acid for the transepithelial passage of the inactivated viral and bacterial vaccines in fish.
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The practical difficulty of parenteral application of fish vaccines against devastating fish diseases diverted the interest toward oral vaccination. Search for effective methods to enhance the oral uptake of viral and bacterial vaccines is continuing. The current research focus on a new role of
Protective effects of piperine on lead acetate induced-nephrotoxicity in rats.
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UNASSIGNED
In this study, we investigated the protective effects of piperine on lead acetate-induced renal damage in rat kidney tissue.
UNASSIGNED
Forty male rats were divided into 5 groups: negative control (rats were given aquadest daily), positive control (rats were given lead acetate 30 mg/kg BW
Inhibition of lipopolysaccharide-induced inflammatory responses by piperine.
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Piperine, a main component of Piper longum Linn. and Piper nigrum Linn., is a plant alkaloid with a long history of medical use. Piperine exhibits anti-inflammatory activity; however, the underlying mechanism remains unknown. We examined the effects of piperine on lipopolysaccharide (LPS)-induced
Novel piperine-loaded Tween-integrated monoolein cubosomes as brain-targeted oral nanomedicine in Alzheimer's disease: pharmaceutical, biological, and toxicological studies.
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Alzheimer's disease (AD) is one of the most patient devastating central nervous system diseases with no curative therapy. An effective oral therapy with brain-targeting potential is required that is hampered by blood-brain barrier. Piperine (PIP) is a natural alkaloid with memory enhancing
Piperine inhibits LPS induced expression of inflammatory mediators in RAW 264.7 cells.
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The aim of the present study was to investigate the effects of piperine on the inflammatory responses to lipopolysaccharide (LPS) in RAW264.7 cells and the signal transduction pathways involved. RAW264.7 cells were pretreated with piperine at 10, 50 or 100 μg/ml and subsequently stimulated with LPS
Intranasal Piperine-Loaded Chitosan Nanoparticles as Brain-Targeted Therapy in Alzheimer's Disease: Optimization, Biological Efficacy, and Potential Toxicity.
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Piperine (PIP) is a phytopharmaceutical with reported neuroprotective potential in Alzheimer's disease (AD). Oral PIP delivery suffers from its hydrophobicity and pre-systemic metabolism. In this article, mono-disperse intranasal chitosan nanoparticles (CS-NPs) were elaborated for brain targeting of
Piperine regulates glycogen synthase kinase-3β-related signaling and attenuates cognitive decline in D-galactose-induced aging mouse model.
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Aging-related cholinergic dysfunction, extensive neuroinflammation and oxidative stress in brain are predominant pathogenic factors for dementia. In the present study, we aimed to evaluate the protective effects of piperine, an alkaloid nutrient component of Piper nigrum, against cognitive
Piperine enhances the efficacy of TRAIL-based therapy for triple-negative breast cancer cells.
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OBJECTIVE
Triple-negative breast cancer (TNBC) is most the aggressive type of breast cancer and is poorly responsive to endocrine therapeutics; however, one of the most attractive treatments is tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-based therapies. To identify compounds
Piperine Attenuates TBI-Induced Seizures via Inhibiting Cytokine-Activated Reactive Astrogliosis
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Peppers have been used in clinics for a long time and its major component, piperine (PPR), has been proven to be effective in the treatment of seizures. The purpose of this study was to investigate the effects of piperine on early seizures in mice after a traumatic brain injury (TBI) and to explore
Piperine ameliorates the severity of cerulein-induced acute pancreatitis by inhibiting the activation of mitogen activated protein kinases.
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Piperine is a phenolic component of black pepper (Piper nigrum) and long pepper (Piper longum), fruits used in traditional Asian medicine. Our previous study showed that piperine inhibits lipopolysaccharide-induced inflammatory responses. In this study, we investigated whether piperine reduces the
Piperine inhibits TNF-alpha induced adhesion of neutrophils to endothelial monolayer through suppression of NF-kappaB and IkappaB kinase activation.
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Piperine displays antipyretic, analgesic, insecticidal and anti-inflammatory activities. It is the first amide to be isolated from Piper species. In the process of identifying non-steroidal anti-inflammatory small molecules from the natural sources, we demonstrate here that piperine inhibits
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