(C) 2008 Elsevier B V All rights reserved “
“Context and ob

(C) 2008 Elsevier B.V. All rights reserved.”
“Context and objective: High-mobility group box-1 (HMGB1)

is a pro-inflammatory AZD5582 Apoptosis inhibitor cytokine that may contribute to the pathogenesis of micro-and macrovascular complications commonly observed in diabetes. We investigated whether HMGB1 is associated with: i) markers of low-grade inflammation (LGI) and endothelial dysfunction (ED) and pulse pressure (PP, a marker of arterial stiffness); ii) prevalent nephropathy, retinopathy and cardiovascular disease (CVD) in type 1 diabetes; and iii) the potential mediating roles of LGI, ED and PP therein.\n\nDesign and methods: This was a cross-sectional nested case-control study of 463 patients (226 women; mean age 40+/-10 years) with type 1 diabetes from the EURODIAB Prospective Complications Study. We used linear and binary or multinomial logistic regression analyses adjusted for traditional risk factors.\n\nResults: Serum Ln-HMGB1 levels were positively associated with LGI and ED (standardised beta=0.07 (95% confidence interval (CI): 0.02-0.12) and beta=0.08 (95% CI: 0.02-0.14) respectively), but not with PP. Higher Ln-HMGB1 (per unit) was associated with greater Sotrastaurin manufacturer odds of micro- and macroalbuminuria: odds ratio (OR) Z1.24 (95% CI: 0.90-1.71) and OR=1.61 (95% CI: 1.15-2.25) respectively, P for trend=0.004. Further adjustments for LGI or

ED did not attenuate these associations. No such associations were found between Ln-HMGB1 and estimated glomerular filtration rate (eGFR), retinopathy or CVD, however.\n\nConclusions: In type 1 diabetes, higher serum HMGB1 levels are associated with greater prevalence and severity of albuminuria, though not with eGFR, retinopathy and CVD. Prospective studies are needed to clarify the causal role of HMGB1, if any, in the pathogenesis of vascular complications in type 1 diabetes.”
“In this report, the solution structure of the nucleocapsid-binding domain of the measles virus phosphoprotein (XD, aa 459-507) is described. A dynamic description of the interaction between XD and the disordered Selleckchem PRIMA-1MET C-terminal domain

of the nucleocapsid protein, (N(TAIL), aa 401-525), is also presented. XD is an all alpha protein consisting of a three-helix bundle with an up-down-up arrangement of the helices. The solution structure of XD is very similar to the crystal structures of both the free and bound form of XD. One exception is the presence of a highly dynamic loop encompassing XD residues 489-491, which is involved in the embedding of the alpha-helical XD-binding region of N(TAIL). Secondary chemical shift values for full-length N(TAIL) were used to define the precise boundaries of a transient helical segment that coincides with the XD-binding domain, thus shedding light on the pre-recognition state of N(TAIL). Titration experiments with unlabeled XD showed that the transient alpha-helical conformation of N(TAIL) is stabilized upon binding.

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