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Biological activity of plant extracts: novel analgesic drugs.

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Logi sisse

The plant-derived secondary metabolites have, over the years, greatly contributed to our current understanding of the important mechanisms related to the process of pain transmission and treatment. Furthermore, they have permitted us to characterise receptor types and identify endogenous ligands

[A short history of anti-rheumatic therapy--V. analgesics].

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Logi sisse

The pharmacological treatment of pain has very ancient origins, when plant-derived products were used, including mandrake extracts and opium, a dried latex obtained from Papaver somniferum. In the XVI and XVII centuries opium came into the preparation of two compounds widely used for pain relief:

Evaluation of Analgesic Activity of Papaver libanoticum Extract in Mice: Involvement of Opioids Receptors.

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Logi sisse

Papaver libanoticum is an endemic plant to Lebanese region (family Papaveraceae) that has not been investigated before. The present study aimed to explore the analgesic activity of dried ethanolic extract of Papaver libanoticum (PLE) using tail flick, hot plate, and acetic acid induced writhing

Crystallization and preliminary X-ray diffraction analysis of salutaridine reductase from the opium poppy Papaver somniferum.

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Logi sisse

The opium poppy Papaver somniferum is the source of the narcotic analgesics morphine and codeine. Salutaridine reductase (SalR; EC 1.1.1.248) reduces the C-7 keto group of salutaridine to the C-7 (S)-hydroxyl group of salutaridinol in the biosynthetic pathway that leads to morphine in the opium

Increasing morphinan alkaloid production by over-expressing codeinone reductase in transgenic Papaver somniferum.

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Logi sisse

Only plants of the Papaver genus (poppies) are able to synthesize morphinan alkaloids, and cultivation of P. somniferum, opium poppy, remains critical for the production and supply of morphine, codeine and various semi-synthetic analgesics. Opium poppy was transformed with constitutively expressed

Selection of the Reference Gene for Expression Normalization in Papaver somniferum L. under Abiotic Stress and Hormone Treatment.

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Logi sisse

Papaver somniferum L. is an important medical plant that produces analgesic drugs used for the pain caused by cancers and surgeries. Recent studies have focused on the expression genes involved in analgesic drugs biosynthesis, and the real-time quantitative polymerase chain reaction

Recent updates on codeine.

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Logi sisse

Alleviation of pain is a major objective in medicine to increase the quality of life. Analgesics are agents that relieve pain by elevating the pain threshold without disturbing consciousness or altering other sensory modalities. Opium is an isoquinoline alkaloid obtained from poppy plant Papaver

Molecular cloning and functional expression of codeinone reductase: the penultimate enzyme in morphine biosynthesis in the opium poppy Papaver somniferum.

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Logi sisse

The narcotic analgesic morphine is the major alkaloid of the opium poppy Papaver somniferum. Its biosynthetic precursor codeine is currently the most widely used and effective antitussive agent. Along the morphine biosynthetic pathway in opium poppy, codeinone reductase catalyzes the NADPH-dependent

Comparative analysis of transcription factor gene families from Papaver somniferum: identification of regulatory factors involved in benzylisoquinoline alkaloid biosynthesis.

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Logi sisse

Opium poppy (Papaver somniferum L.), known for biosynthesis of several therapeutically important benzylisoquinoline alkaloids (BIAs), has emerged as the premier organism to study plant alkaloid metabolism. The most prominent molecules produced in opium poppy include narcotic analgesic morphine, the

DARK Classics in Chemical Neuroscience: Opium, a Historical Perspective.

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Logi sisse

Opium is the latex from the opium poppy Papaver somniferum L., which humankind has utilized since ancient Mesopotamia all the way to modern times. Opium used to be surrounded in divine mystery or magic-like abilities and was given to cure a wide variety of diseases until its analgesic, antitussive,

Silencing nature's narcotics: metabolic engineering of the opium poppy.

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Logi sisse

The opium poppy, Papaver somniferum L., and its narcotic and analgesic alkaloids, have an ancient history of use (and abuse) by humankind. A recent article by Allen and co-workers describes the metabolic engineering of morphine biosynthesis to block morphine formation and accumulate a potentially

Endogenous morphine and its metabolites in mammals: history, synthesis, localization and perspectives.

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Logi sisse

Morphine derived from Papaver somniferum is commonly used as an analgesic compound for pain relief. It is now accepted that endogenous morphine, structurally identical to vegetal morphine-alkaloid, is synthesized by mammalian cells from dopamine. Morphine binds mu opioid receptor and induces

Redesign of a dioxygenase in morphine biosynthesis.

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Logi sisse

Opium poppy (Papaver somniferum) produces medicinally important benzylisoquinoline alkaloids, including the analgesics codeine and morphine, in the morphinan pathway. We aligned three dioxygenases that were recently discovered in P. somniferum and subsequently identified the nonconserved regions.

Modulation of Chelidonii herba on glycine-activated and glutamate-activated ion currents in rat periaqueductal gray neurons.

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Logi sisse

BACKGROUND Chelidonii herba is classified as Papaver somniferum L. Aqueous extract from C. herba is traditionally used for disorders with symptoms like pain, bloating, abdominal cramp after meals. METHODS Modulation of C. herba on glycine-activated and glutamate-activated ion currents in the acutely

Structural insights into thebaine synthase 2 catalysis

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Thebaine synthase 2 (THS2) that can transform (7S)-salutaridinol 7-O-acetate to thebaine catalyzes the final step of thebaine biosynthesis in Papaver somniferum. Here, the crystal structures of THS2 and its complex with thebaine are reported, revealing the interaction network in the

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