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At least 649 records · Page 36Linked to original sources
PubMed1992

Jimson weed toxicity: management of anticholinergic plant ingestion.

Jimson weed is a hallucinogenic plant that is common in rural areas. Consumption of any part of the plant can result in severe anticholinergic toxicity. The clinical presentation of jimson weed toxicity is similar to that seen in cases of atropine poisoning. Treatment is aimed at removing plant material from the gastrointestinal tract, keeping the patient safe and reversing severe anticholinergic sequelae.

Adolescent↗
PubMedDate not supplied

[Translational regulation of potato virus X RNA-coat protein complexes: the key role of a coat protein N-terminal peptide].

The efficiency of in vitro translation of potato virus X (PVX) RNA within vRNP complexes assembled from genomic RNA and viral CP was examined. The vRNP particles contain the 5'-proximal RNA segments encapsidated by helically arranged CP head-like portions heterogeneous in length and the CP-free RNA tail. Translation of RNA is completely repressed upon incubation with PVX CP and is accompanied by vRNP particles production. By contrast, translation is activated in vRNPs in vitro assembled using two CP forms, differing in the principals of their N-terminal peptides modification. The N-terminal peptide of PVX CP represents the major phosphorylation site(s) for Thr/Ser-specific protein kinases. It was shown that: (i) CP phosphorylation results in a translational activation of vRNP; (ii) removal of N-terminal peptide from CP abolished activation and CP retains the translation repressing ability. It was suggested that substitution of Ser/Thr residues by non-phosphorylated Ala/Gly in N-terminal peptide of the mutant CP will led to a complete inhibition of vRNP translation. However, opposite results were obtained in our experiments: (i) RNA of such mutant virus (PVX-ST) was efficiently translated within the virions; (ii) RNA of a wild-type (wt) PVX also efficiently translated in mixedly assembled vRNP "wt PVX RNA + PVX-ST CP"; (iii) opposite result (repression of translation) was obtained with "mixed" vRNP (PVX-ST RNA + wtPVX CP). Therefore, the N-terminal peptide located at the surface of the particle and of the particles plays a key role in translation activation of the RNA encapsidated in vRNP and native virions.

Capsid Proteins↗
PubMedDate not supplied

Effect of Datura (seed) on rat brain and urinary metabolites.

The effect of Datura alba (seed) extract on the brain and urinary metabolites of rats was studied. Treatment with Datura brought about a decrease in the activity of brain lipid peroxidase and catalase while an increase in the activity of fructose diphosphate aldolase and glucose 6-phosphate dehydrogenase was observed. An increase in the DNA and RNA contents of brain was noted after the treatment with Datura. The study also showed a marked decrease in the excretion of 5-hydroxyindole acetic acid and vanillyl mandelic acid in the urine of rats given Datura extract.

Animals↗
PubMed1977

NM goes to China:4.

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Acupuncture Therapy↗
PubMed1979

Datura poisoning.

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Datura stramonium↗