Is health reform dead?

abstract：:The role of magnetic domains (and the walls between domains) in determining the electrical properties of ferromagnetic materials has been investigated in great detail for many years, not least because control over domains offers a means of manipulating electron spin to control charge transport in 'spintronic' devices....

journal_title：Nature

authors： Kummamuru RK,Soh YA

更新日期：2008-04-17 00:00:00

abstract：:The formation of disulphide bonds is essential to the structure and function of proteins. These bonds rapidly form either cotranslationally or immediately post-translationally in the lumen of the endoplasmic reticulum. Native disulphide pairing for such proteins has been achieved in vitro; however, the rates of reasse...

journal_title：Nature

authors： Edman JC,Ellis L,Blacher RW,Roth RA,Rutter WJ

更新日期：1985-09-19 00:00:00

abstract：:The ability of collapsing (cavitating) bubbles to focus and concentrate energy, forces and stresses is at the root of phenomena such as cavitation damage, sonochemistry or sonoluminescence. In a biomedical context, ultrasound-driven microbubbles have been used to enhance contrast in ultrasonic images. The observation ...

journal_title：Nature

authors： Marmottant P,Hilgenfeldt S

更新日期：2003-05-08 00:00:00

abstract：:It is generally accepted that the specific function of a gene depends on its coding sequence. The three paired-box and homeobox genes paired (prd), gooseberry (gsb) and gooseberry neuro (gsbn) have distinct developmental functions in Drosophila embryogenesis. During the syncytial blastoderm stage, the pair-rule gene p...

journal_title：Nature

authors： Li X,Noll M

更新日期：1994-01-06 00:00:00

abstract：:The evolutionary theory of ageing explains why ageing occurs, giving valuable insight into the mechanisms underlying the complex cellular and molecular changes that contribute to senescence. Such understanding also helps to clarify how the genome shapes the ageing process, thereby aiding the study of the genetic facto...

journal_title：Nature

authors： Kirkwood TB,Austad SN

更新日期：2000-11-09 00:00:00

abstract：:The fundamental properties of neutron stars provide a direct test of the equation of state of cold nuclear matter, a relationship between pressure and density that is determined by the physics of the strong interactions between the particles that constitute the star. The most straightforward method of determining thes...

journal_title：Nature

authors： Cottam J,Paerels F,Mendez M

更新日期：2002-11-07 00:00:00

abstract：:Common genetic contributions to autism spectrum disorder (ASD) reside in risk gene variants that individually have minimal effect sizes. As environmental factors that perturb neurodevelopment also underlie idiopathic ASD, it is crucial to identify altered regulators that can orchestrate multiple ASD risk genes during ...

journal_title：Nature

authors： Parras A,Anta H,Santos-Galindo M,Swarup V,Elorza A,Nieto-González JL,Picó S,Hernández IH,Díaz-Hernández JI,Belloc E,Rodolosse A,Parikshak NN,Peñagarikano O,Fernández-Chacón R,Irimia M,Navarro P,Geschwind DH,Méndez R,L

更新日期：2018-08-01 00:00:00

abstract：:The "Gardner hypothesis" suggests that an excess of childhood leukaemia near a nuclear reprocessing plant is caused by paternal exposure to ionizing radiation. But the evidence shows that this explanation is wrong. ...

journal_title：Nature

authors： Doll R,Evans HJ,Darby SC

更新日期：1994-02-24 00:00:00

abstract：:Neurons in the developing rodent cortex are generated from radial glial cells that function as neural stem cells. These epithelial cells line the cerebral ventricles and generate intermediate progenitor cells that migrate into the subventricular zone (SVZ) and proliferate to increase neuronal number. The developing hu...

journal_title：Nature

authors： Hansen DV,Lui JH,Parker PR,Kriegstein AR

更新日期：2010-03-25 00:00:00

abstract：:Understanding the determinants of healthy mental ageing is a priority for society today. So far, we know that intelligence differences show high stability from childhood to old age and there are estimates of the genetic contribution to intelligence at different ages. However, attempts to discover whether genetic cause...

journal_title：Nature

authors： Deary IJ,Yang J,Davies G,Harris SE,Tenesa A,Liewald D,Luciano M,Lopez LM,Gow AJ,Corley J,Redmond P,Fox HC,Rowe SJ,Haggarty P,McNeill G,Goddard ME,Porteous DJ,Whalley LJ,Starr JM,Visscher PM

更新日期：2012-01-18 00:00:00

abstract：:Alkaloids, secondary metabolites that contain basic nitrogen atoms, are some of the most well-known biologically active natural products in chemistry and medicine. Although efficient laboratory synthesis of alkaloids would enable the study and optimization of their biological properties, their preparation is often com...

journal_title：Nature

authors： Parr BT,Economou C,Herzon SB

更新日期：2015-09-24 00:00:00

abstract：:Fluids and melts liberated from subducting oceanic crust recycle lithophile elements back into the mantle wedge, facilitate melting and ultimately lead to prolific subduction-zone arc volcanism. The nature and composition of the mobile phases generated in the subducting slab at high pressures have, however, remained l...

journal_title：Nature

authors： Kessel R,Schmidt MW,Ulmer P,Pettke T

更新日期：2005-09-29 00:00:00

abstract：:Zygotic genome activation (ZGA) is the first transcription event in life1. However, it is unclear how RNA polymerase is engaged in initiating ZGA in mammals. Here, by developing small-scale Tn5-assisted chromatin cleavage with sequencing (Stacc-seq), we investigated the landscapes of RNA polymerase II (Pol II) binding...

journal_title：Nature

authors： Liu B,Xu Q,Wang Q,Feng S,Lai F,Wang P,Zheng F,Xiang Y,Wu J,Nie J,Qiu C,Xia W,Li L,Yu G,Lin Z,Xu K,Xiong Z,Kong F,Liu L,Huang C,Yu Y,Na J,Xie W

更新日期：2020-11-01 00:00:00

abstract：:Astrocyte proliferation and perivascular lymphocyte infiltration are conspicuous among the cellular changes in the active brain lesions of multiple sclerosis patients. Recent observations have indicated that most of the perivascular lymphocytes are T cells which may be actively involved in the generation of the brain ...

journal_title：Nature

authors： Fontana A,Fierz W,Wekerle H

更新日期：1984-01-19 00:00:00

abstract：:Carbonates on large Solar System bodies like Earth and Mars (the latter represented by the meteorite ALH84001) form through the weathering of silicates in a watery (CO3)2- solution. The presence of carbonates in interplanetary dust particles and asteroids (again, represented by meteorites) is not completely understood...

journal_title：Nature

authors： Kemper F,Jäger C,Waters LB,Henning T,Molster FJ,Barlow MJ,Lim T,de Koter A

更新日期：2002-01-17 00:00:00

abstract：:In eukaryotes, accurate chromosome segregation in mitosis and meiosis maintains genome stability and prevents aneuploidy. Kinetochores are large protein complexes that, by assembling onto specialized Cenp-A nucleosomes1,2, function to connect centromeric chromatin to microtubules of the mitotic spindle3,4. Whereas the...

journal_title：Nature

authors： Yan K,Yang J,Zhang Z,McLaughlin SH,Chang L,Fasci D,Ehrenhofer-Murray AE,Heck AJR,Barford D

更新日期：2019-10-01 00:00:00

abstract：:Intensive fisheries have reduced fish biodiversity and abundance in aquatic ecosystems worldwide1-3. 'No-take' marine reserves have become a cornerstone of marine ecosystem-based fisheries management4-6, and their benefits for adjacent fisheries are maximized when reserve design fosters synergies among nearby reserves...

journal_title：Nature

authors： Koning AA,Perales KM,Fluet-Chouinard E,McIntyre PB

更新日期：2020-12-01 00:00:00

abstract：:The genome of Aspergillus oryzae, a fungus important for the production of traditional fermented foods and beverages in Japan, has been sequenced. The ability to secrete large amounts of proteins and the development of a transformation system have facilitated the use of A. oryzae in modern biotechnology. Although both...

journal_title：Nature

authors： Machida M,Asai K,Sano M,Tanaka T,Kumagai T,Terai G,Kusumoto K,Arima T,Akita O,Kashiwagi Y,Abe K,Gomi K,Horiuchi H,Kitamoto K,Kobayashi T,Takeuchi M,Denning DW,Galagan JE,Nierman WC,Yu J,Archer DB,Bennett JW,Bh

更新日期：2005-12-22 00:00:00

abstract：:Apart from the retroviral gag, pol and env the HIV genome contains the F (3' orf) gene which encodes a polypeptide of 206 amino acids which is myristylated at the N-terminal and whose function is unknown. We have expressed the F gene in Escherichia coli and from a recombinant vaccinia virus, VVTGfHIV. The F-protein pr...

journal_title：Nature

authors： Guy B,Kieny MP,Riviere Y,Le Peuch C,Dott K,Girard M,Montagnier L,Lecocq JP

更新日期：1987-11-19 00:00:00

abstract：:Magnetic interactions and magnetic impurities are destructive to superconductivity in conventional superconductors. By contrast, in some unconventional macroscopic quantum systems (such as superfluid 3He and superconducting UGe2), the superconductivity (or superfluidity) is actually mediated by magnetic interactions. ...

journal_title：Nature

authors： Hudson EW,Lang KM,Madhavan V,Pan SH,Eisaki H,Uchida S,Davis JC

更新日期：2001-06-21 00:00:00

abstract：:Cosmological models in which dark matter consists of cold elementary particles predict that the dark halo population should extend to masses many orders of magnitude below those at which galaxies can form1-3. Here we report a cosmological simulation of the formation of present-day haloes over the full range of observe...

journal_title：Nature

authors： Wang J,Bose S,Frenk CS,Gao L,Jenkins A,Springel V,White SDM

更新日期：2020-09-01 00:00:00

abstract：:Unilateral neglect following damage to the right hemisphere of the brain can be characterized by failure of the global attentional mechanisms of the right hemisphere to direct the local detail processors of the left hemisphere towards the contralesional left hemispace. This is suggested by patients who recognize the g...

journal_title：Nature

authors： Doricchi F,Incoccia C

更新日期：1998-07-02 00:00:00

abstract：:The holotype of Deinocheirus mirificus was collected by the 1965 Polish-Mongolian Palaeontological Expedition at Altan Uul III in the southern Gobi of Mongolia. Because the holotype consists mostly of giant forelimbs (2.4 m in length) with scapulocoracoids, for almost 50 years Deinocheirus has remained one of the most...

journal_title：Nature

authors： Lee YN,Barsbold R,Currie PJ,Kobayashi Y,Lee HJ,Godefroit P,Escuillié F,Chinzorig T

更新日期：2014-11-13 00:00:00

abstract：: ...

journal_title：Nature

authors： Greulich H,Cherniack AD

更新日期：2019-02-01 00:00:00

abstract：:Formation of electron pairs is essential to superconductivity. For conventional superconductors, tunnelling spectroscopy has established that pairing is mediated by bosonic modes (phonons); a peak in the second derivative of tunnel current d2I/dV2 corresponds to each phonon mode. For high-transition-temperature (high-...

journal_title：Nature

authors： Lee J,Fujita K,McElroy K,Slezak JA,Wang M,Aiura Y,Bando H,Ishikado M,Masui T,Zhu JX,Balatsky AV,Eisaki H,Uchida S,Davis JC

更新日期：2006-08-03 00:00:00

abstract：:The Pax-6 transcription-factor gene, containing a paired domain and a paired-type homeodomain, is conserved in structure and ubiquitously present among Metazoa. It is required for development of the central nervous system, and is mutated in human aniridia, mouse and rat small eye and Drosophila eyeless. We identified ...

journal_title：Nature

authors： Zhang Y,Emmons SW

更新日期：1995-09-07 00:00:00

abstract：:More than twenty types of retinal ganglion cells conduct visual information from the eye to the rest of the brain. Each retinal ganglion cell type tessellates the retina in a regular mosaic, so that every point in visual space is processed for visual primitives such as contrast and motion. This information flows to tw...

journal_title：Nature

authors： Feinberg EH,Meister M

更新日期：2015-03-12 00:00:00

abstract：:Susceptibility of rodent cells to infection by ecotropic murine leukaemia viruses (MuLV) is determined by binding of the virus envelope to a membrane receptor that has multiple membrane-spanning domains. Cells infected by ecotropic MuLV synthesize envelope protein, gp70, which binds to this receptor, thereby preventin...

journal_title：Nature

authors： Kim JW,Closs EI,Albritton LM,Cunningham JM

更新日期：1991-08-22 00:00:00

abstract：:Tobacco smoking causes lung cancer1-3, a process that is driven by more than 60 carcinogens in cigarette smoke that directly damage and mutate DNA4,5. The profound effects of tobacco on the genome of lung cancer cells are well-documented6-10, but equivalent data for normal bronchial cells are lacking. Here we sequence...

journal_title：Nature

authors： Yoshida K,Gowers KHC,Lee-Six H,Chandrasekharan DP,Coorens T,Maughan EF,Beal K,Menzies A,Millar FR,Anderson E,Clarke SE,Pennycuick A,Thakrar RM,Butler CR,Kakiuchi N,Hirano T,Hynds RE,Stratton MR,Martincorena I,Janes

更新日期：2020-02-01 00:00:00

abstract：: ...

journal_title：Nature

authors： Ainsworth C

更新日期：2017-11-08 00:00:00