Overwintering adults of the elm leaf beetle showed a complex suga

Overwintering adults of the elm leaf beetle showed a complex sugar/polyol cryoprotectant system. The major components of the multiple systems were glucose, myo-inositol and trehalose. In this study, we investigated the seasonal profile of low molecular weight compounds and glycogen in natural population and also in response to thermal

constant regimes (5 and 15 degrees C). Among these components, a remarkable seasonal pattern of accumulation/depletion was observed in myo-inositol over the course of hibernation with the development of diapause progress. Incubating at 5 degrees C only elicited a strong response in myo-inositol synthesis during diapause. It suggests that the elm leaf beetle accumulates myo-inositol not only Protein Tyrosine Kinase inhibitor in relation to entering diapause but also in response to low temperatures and their interactions. The laboratory acclimation experiments showed that adults exposed to 15 degrees C had no chance for accumulation of low molecular weight carbohydrate even during diapause. The results of this study illustrated that overwintering adults of elm leaf beetle produce myo-inositol as the primary substance which plays a specific role in some biochemical adjustments in overwintering

adults of X. luteola. (C) 2012 Elsevier Ltd. All rights reserved.”
“BACKGROUND

Persistent pain is measured by means of self-report, the sole reliance on which hampers diagnosis and treatment. Functional magnetic resonance imaging (fMRI) holds promise for identifying 17-DMAG (Alvespimycin) HCl objective measures of pain, but brain measures that are sensitive and specific to physical pain have not Alvocidib concentration yet been identified.

METHODS

In four studies involving a total of 114 participants, we developed an

fMRI-based measure that predicts pain intensity at the level of the individual person. In study 1, we used machine-learning analyses to identify a pattern of fMRI activity across brain regions – a neurologic signature – that was associated with heat-induced pain. The pattern included the thalamus, the posterior and anterior insulae, the secondary somatosensory cortex, the anterior cingulate cortex, the periaqueductal gray matter, and other regions. In study 2, we tested the sensitivity and specificity of the signature to pain versus warmth in a new sample. In study 3, we assessed specificity relative to social pain, which activates many of the same brain regions as physical pain. In study 4, we assessed the responsiveness of the measure to the analgesic agent remifentanil.

RESULTS

In study 1, the neurologic signature showed sensitivity and specificity of 94% or more (95% confidence interval [CI], 89 to 98) in discriminating painful heat from nonpainful warmth, pain anticipation, and pain recall. In study 2, the signature discriminated between painful heat and nonpainful warmth with 93% sensitivity and specificity (95% CI, 84 to 100).

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