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OBJECTIVES To explore the effect of vitamin D supplementation in prevention of respiratory tract infections on the basis of published clinical trials. MATERIALS AND METHODS Clinical trials were searched from various electronic databases. Five clinical trials were suitable for inclusion. Outcome was events of respiratory tract infections in vitamin D group(More)
Spinal muscular atrophy (SMA) is a progressive neurodegenerative disease affecting lower motor neurons. SMA is caused by mutations in the Survival Motor Neuron 1 (SMN1) gene, which result in reduced levels of functional SMN protein. Biochemical studies have linked the ubiquitously expressed SMN protein to the assembly of pre-mRNA processing U snRNPs,(More)
The effect of 2- pyridine aldoxime methyl chloride (2-PAMCl) and atropine with or without curcumin was investigated in dichlorvos (2,2-dichlorovinyl dimethyl phosphate; DDVP) induced toxicity in rats. Rats were exposed to DDVP (2 mg/kg sub-cutaneously) once daily for the period of 21 days. Post DDVP exposure, rats were further treated with 2-PAMCl (50 mg/kg(More)
Abrin is a plant glycoprotein toxin from the seeds of Abrus precatorius, sharing similarity in structure and properties with ricin. Abrin is highly toxic, with an estimated human fatal dose of 0.1-1 µg/kg, causing death after accidental or intentional poisoning. It is a potent biological toxin warfare agent. There is no chemical antidote available against(More)
Abrin is a potent plant toxin. It is a heterodimeric protein toxin which is obtained from the seeds of Abrus precatorius plant. At cellular level abrin causes protein synthesis inhibition by removing the specific adenine residue (A4324) from the 28s rRNA of the 60S - ribosomal subunit. In the present study we investigated the role of oxidative stress in(More)
Spontaneous neural activity promotes axon growth in many types of developing neurons, including motoneurons. In motoneurons from a mouse model of spinal muscular atrophy (SMA), defects in axonal growth and presynaptic function correlate with a reduced frequency of spontaneous Ca(2+) transients in axons which are mediated by N-type Ca(2+) channels. To(More)
In neurons, microtubules form a dense array within axons, and the stability and function of this microtubule network is modulated by neurofilaments. Accumulation of neurofilaments has been observed in several forms of neurodegenerative diseases, but the mechanisms how elevated neurofilament levels destabilize axons are unknown so far. Here, we show that(More)
51 inconclusive studies published in 14 Indian medical journals were analyzed for adequacy of power by post hoc power calculation. No study was found to be adequately powered (%80%) at small effect size, only 8 studies were adequately powered for medium effect size and 30 studies were adequately powered at large effect size.