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This issue's Research Highlights (09-15 June 2017)
생명과학 BRIC (2017-06-16 13:17)
Research Highlights from the Nature

Genomics
Genetic roots of sleepless nights
Nature Genet. (2017)
Genome-wide association analysis of insomnia complaints identifies risk genes and genetic overlap with psychiatric and metabolic traits
Persistent insomnia is among the most frequent complaints in general practice. To identify genetic factors for insomnia complaints, we performed a genome-wide association study (GWAS) and a genome-wide gene-based association study (GWGAS) in 113,006 individuals. We identify three loci and seven genes associated with insomnia complaints, with the associations for one locus and five genes supported by joint analysis with an independent sample (n = 7,565)...

Evolution
Early whales listened like their land-based ancestors
Curr. Biol. (2017)
Infrasonic and Ultrasonic Hearing Evolved after the Emergence of Modern Whales
Mysticeti (baleen whales) and Odontoceti (toothed whales) today greatly differ in their hearing abilities: Mysticeti are presumed to be sensitive to infrasonic noises [1; 2 ;  3], whereas Odontoceti are sensitive to ultrasonic sounds [4; 5 ;  6]. Two competing hypotheses exist regarding the attainment of hearing abilities in modern whales...

Metabolism
A gel for lasting glucose control
Nature Biomed. Eng. (2017)
One-week glucose control via zero-order release kinetics from an injectable depot of glucagon-like peptide-1 fused to a thermosensitive biopolymer
Stimulation of the glucagon-like peptide-1 (GLP1) receptor is a useful treatment strategy for type 2 diabetes due to pleiotropic effects, such as the regulation of islet hormones and the induction of satiety. However, the native ligand for the GLP1 receptor has a short half-life owing to enzymatic inactivation and rapid clearance...

Cancer
Tumour cells wait before invading
Genome Res. (2017)
Single cell DNA sequencing reveals a late-dissemination model in metastatic colorectal cancer
Metastasis is a complex biological process that has been difficult to delineate in human colorectal (CRC) cancer patients. A major obstacle in understanding metastatic lineages is the extensive intratumor heterogeneity at the primary and metastatic tumor sites. To address this problem, we developed a highly-multiplexed single cell DNA sequencing approach to trace the metastatic lineages of two CRC patients with matched liver metastases...

Neuroscience
White noise lowers tinnitus risk
J. Neurosci. (2017)
Noise trauma induced behavioral gap detection deficits correlate with reorganization of excitatory and inhibitory local circuits in the inferior colliculus and are prevented by acoustic enrichment.
Hearing loss leads to a host of cellular and synaptic changes in auditory brain areas, which are thought to give rise to auditory perception deficits such as temporal processing impairments, hyperacusis, or tinnitus. However, little is known about possible changes in synaptic circuit connectivity that may underlie these hearing deficits...

Microbiology
Gut bacteria fend off Listeria
J. Exp. Med. (2017)
Commensal microbes provide first line defense against Listeria monocytogenes infection
Listeria monocytogenes is a foodborne pathogen that causes septicemia, meningitis and chorioamnionitis and is associated with high mortality. Immunocompetent humans and animals, however, can tolerate high doses of L. monocytogenes without developing systemic disease. The intestinal microbiota provides colonization resistance against many orally acquired pathogens...
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