158 Result(s)
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Article
Structural insight into the autoinhibition mechanism of AMP-activated protein kinase
AMPK (AMP-activated protein kinase) senses cellular energy status to maintain a balance between ATP production and consumption and has important roles in regulating cell growth and proliferation. Here, crystal...
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Article
Identification of a novel GNAS mutation for pseudohypoparathyroidism in a Chinese family
Pseudohypoparathyroidism (PHP) is a heterogeneous group of diseases characterized by hormone resistance to receptors that stimulate adenylate cyclase. PHP-Ia patients show specific Gs-alpha protein deficiency,...
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Article
Open AccessWhole-genome analysis informs breast cancer response to aromatase inhibition
To correlate the variable clinical features of oestrogen-receptor-positive breast cancer with somatic alterations, we studied pretreatment tumour biopsies accrued from patients in two studies of neoadjuvant ar...
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Open AccessEvaluation of Ca3Co2O6 as cathode material for high-performance solid-oxide fuel cell
A cobalt-based thermoelectric compound Ca3Co2O6 (CCO) has been developed as new cathode material with superior performance for intermediate-temperature (IT) solid-oxide fuel cell (SOFC). Systematic evaluation has...
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Article
The influence of the genetic and non-genetic factors on bone mineral density and osteoporotic fractures in Chinese women
To investigate the effects of genetic and non-genetic factors on bone mineral densities (BMDs) and osteoporotic fractures. This was a cross-sectional study to investigate the relationships between 18 SNPs and ...
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Article
Open AccessUbiquinone-quantum dot bioconjugates for in vitro and intracellular complex I sensing
Quantum dots (QDs) have attracted increasing interest in bioimaging and sensing. Here, we report a biosensor of complex I using ubiquinone-terminated disulphides with different alkyl spacers (QnNS, n = 2, 5 and...
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Correction: Corrigendum: Ubiquinone-quantum dot bioconjugates for in vitro and intracellular complex I sensing
Quantum dots (QDs) have attracted increasing interest in bioimaging and sensing. Here, we report a biosensor of complex I using ubiquinone-terminated disulphides with different alkyl spacers (QnNS, n = 2, 5 and...
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Open AccessTop–down fabrication of sub-nanometre semiconducting nanoribbons derived from molybdenum disulfide sheets
Developments in semiconductor technology are propelling the dimensions of devices down to 10 nm, but facing great challenges in manufacture at the sub-10 nm scale. Nanotechnology can fabricate nanoribbons from...
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Open AccessExtraordinary expansion of a Sorangium cellulosum genome from an alkaline milieu
Complex environmental conditions can significantly affect bacterial genome size by unknown mechanisms. The So0157-2 strain of Sorangium cellulosum is an alkaline-adaptive epothilone producer that grows across a w...
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Article
Open AccessContribution of NKX2-3 Polymorphisms to Inflammatory Bowel Diseases: A Meta-Analysis of 35358 subjects
Polymorphisms in NKX2-3 gene have been inconsistently associated with Crohn's disease (CD) and ulcerative colitis (UC). To generate large-scale evidence on whether NKX2-3 polymorphisms are associated with CD o...
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Article
Association of hematological parameters with metabolic syndrome in Bei**g adult population: a longitudinal study
The purposes of the study were to estimate the incidence of metabolic syndrome (MetS) and to systematically evaluate the relationship between hematological parameters and MetS in a 5-year follow-up of Bei**g ...
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Article
Risk profiles for metabolic syndrome and its transition patterns for the elderly in Bei**g, 1992–2009
There have been few reports on the development of metabolic disorders, especially when they are considered as a cluster. The purpose of this study was to describe risk profiles for metabolic syndrome (MetS) in...
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Article
Structures of bacterial homologues of SWEET transporters in two distinct conformations
The X-ray crystal structures of two bacterial homologues of the SWEET sugar transporters are solved in two conformational states, and comparison of these states suggests that transport occurs via a ‘rocker-swi...
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Article
IL-15 expression increased in response to treadmill running and inhibited endoplasmic reticulum stress in skeletal muscle in rats
Interleukin 15 (IL-15) has recently been proposed as a circulating myokine involved in glucose uptake and utilization in skeletal muscle. However, the role and mechanism of IL-15 in exercise improving insulin ...
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Article
Open AccessMagnetic properties in α-MnO2 doped with alkaline elements
α-MnO2 nanotubes were fabricated using a hydrothermal technique. Li, Na and K ions were introduced into MnO2 nanotubes to tailor their magnetic properties. It was found that with a do** concentration lower than...
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Article
Open AccessAcetylation of MAT IIα represses tumour cell growth and is decreased in human hepatocellular cancer
Metabolic alteration is a hallmark of cancer. Dysregulation of methionine metabolism is implicated in human liver cancer. Methionine adenosyltransferase IIα (MAT IIα) is a key enzyme in the methionine cycle, c...
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Open AccessSpexin Enhances Bowel Movement through Activating L-type Voltage-dependent Calcium Channel via Galanin Receptor 2 in Mice
A novel neuropeptide spexin was found to be broadly expressed in various endocrine and nervous tissues while little is known about its functions. This study investigated the role of spexin in bowel movement an...
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Open AccessThe virus-induced protein APOBEC3G inhibits anoikis by activation of Akt kinase in pancreatic cancer cells
Pancreatic cancer is one of the more common cancers with a poor prognosis. Some varieties of cancer are related to virus infection. As a virus-induced protein, APOBEC3G (A3G) presents extensive anti-virus abil...
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Open AccessA potent broad-spectrum protective human monoclonal antibody crosslinking two haemagglutinin monomers of influenza A virus
Effective annual influenza vaccination requires frequent changes in vaccine composition due to both antigenic shift for different subtype hemagglutinins (HAs) and antigenic drift in a particular HA. Here we pr...
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Open AccessDiversity and distribution of lichen-associated fungi in the Ny-Ålesund Region (Svalbard, High Arctic) as revealed by 454 pyrosequencing
This study assessed the diversity and distribution of fungal communities associated with seven lichen species in the Ny-Ålesund Region (Svalbard, High Arctic) using Roche 454 pyrosequencing with fungal-specifi...