Species distributions and diversity in East Asia are discussed.”
“Phenotypic variability in the presence of an identical molecular defect is a recurrent feature in heritable disorders and it was also reported in osteogenesis imperfecta (01). OI is a prototype for skeletal dysplasias mainly caused by mutations in the two genes coding for type I collagen. No definitive cure is available for this disorder, but the understanding of molecular basis in 01 phenotypic modulation will have a pivotal role in identifying
possible targets to develop novel drug therapy.\n\nWe used a functional proteomic approach to address the study of phenotypic variability using the skin of the 01 murine model Brtl. Brtl mice reproduce the molecular defect, dominant transmission and phenotypic variability of human OI patients. In the CH5183284 chemical structure presence of a Gly349Cys substitution in alpha 1(I)-collagen Brtl mice can have a lethal or a moderately severe outcome.\n\nDifferential expression of chaperones,
proteasomal subunits, metabolic enzymes, and proteins related to cellular fate CX-6258 cost demonstrated that a different ability to adapt to cellular stress distinguished mutant from wild-type mice and mutant lethal from surviving mutant animals. Interestingly, class discovery analysis identified clusters of differentially expressed proteins associated with a specific outcome, and functional analysis contributed to a deeper investigation into biochemical and cellular pathways affected by the disease. This article is part of a Special Issue entitled: Translational Proteomics. (C) 2012 Elsevier B.V. All rights reserved.”
“Background: Illicit substances increase risk of
morbidity and mortality and have significant consequences for society. Personality traits are associated with drug use; we test whether these associations vary by socioeconomic status.\n\nMethod: Participants (N = 412) from the Healthy Aging in Neighborhoods of Diversity across the Life Span (HANDLS) study completed the Revised NEO Personality Inventory and self-reported use of opiates and cocaine. 50% of participants were living below 125% of the federal poverty line. Mean-level personality differences across never, former, and current opiate/cocaine users were compared. Logistic regressions compared never versus current users and interactions PXD101 ic50 between personality traits and poverty status tested whether these associations varied by socioeconomic status.\n\nResults: High Neuroticism and low Agreeableness increased risk of drug use. The association between low Conscientiousness and drug use was moderated by poverty, such that low Conscientiousness was a stronger risk factor for illicit substance use among those with relatively higher SES. For every standard deviation decrease in Conscientiousness, there was a greater than 2-fold increase in risk of illicit substance use (OR=2.15,95% CI = 1.45-3.17).