Specific inhibition of herpesvirus ribonucleotide reductase by a nonapeptide derived from the carboxy terminus of subunit 2.

abstract：:CD4(+) T helper 2 (T(H)2) cells secrete interleukin (IL)4, IL5 and IL13, and are required for immunity to gastrointestinal helminth infections. However, T(H)2 cells also promote chronic inflammation associated with asthma and allergic disorders. The non-haematopoietic-cell-derived cytokines thymic stromal lymphopoieti...

journal_title：Nature

authors： Saenz SA,Siracusa MC,Perrigoue JG,Spencer SP,Urban JF Jr,Tocker JE,Budelsky AL,Kleinschek MA,Kastelein RA,Kambayashi T,Bhandoola A,Artis D

更新日期：2010-04-29 00:00:00

abstract：:Distinctive acute brain damage involving limbic and related brain regions develops in adult rats following sustained limbic seizures induced by systemic administration of kainic acid or dipiperidinoethane (DPE) or by intra-amygdaloid injection of kainic acid or folic acid. This seizure-brain damage (S-BD) syndrome is ...

journal_title：Nature

authors： Olney JW,de Gubareff T,Labruyere J

更新日期：1983-02-10 00:00:00

abstract：:The visual recognition of three-dimensional (3-D) objects on the basis of their shape poses at least two difficult problems. First, there is the problem of variable illumination, which can be addressed by working with relatively stable features such as intensity edges rather than the raw intensity images. Second, ther...

journal_title：Nature

authors： Poggio T,Edelman S

更新日期：1990-01-18 00:00:00

abstract：:Hyperpolarization-activated cation channels of the HCN gene family contribute to spontaneous rhythmic activity in both heart and brain. All four family members contain both a core transmembrane segment domain, homologous to the S1-S6 regions of voltage-gated K+ channels, and a carboxy-terminal 120 amino-acid cyclic nu...

journal_title：Nature

authors： Wainger BJ,DeGennaro M,Santoro B,Siegelbaum SA,Tibbs GR

更新日期：2001-06-14 00:00:00

abstract：:The DNA sequences of the alcohol dehydrogenase (Adh) genes of four very closely related species of Drosophila show that the rates of nucleotide change vary greatly in different functional domains of this gene. A phylogeny of these species based on the Adh sequence data is consistent with that based on polytene chromos...

journal_title：Nature

authors： Bodmer M,Ashburner M

更新日期：1984-05-31 00:00:00

abstract：:The RNA polymerase elongation complex (EC) is both highly stable and processive, rapidly extending RNA chains for thousands of nucleotides. Understanding the mechanisms of elongation and its regulation requires detailed information about the structural organization of the EC. Here we report the 2.5-A resolution struct...

journal_title：Nature

authors： Vassylyev DG,Vassylyeva MN,Perederina A,Tahirov TH,Artsimovitch I

更新日期：2007-07-12 00:00:00

abstract：:Homeostasis is a biological principle for regulation of essential physiological parameters within a set range. Behavioural responses due to deviation from homeostasis are critical for survival, but motivational processes engaged by physiological need states are incompletely understood. We examined motivational charact...

journal_title：Nature

authors： Betley JN,Xu S,Cao ZFH,Gong R,Magnus CJ,Yu Y,Sternson SM

更新日期：2015-05-14 00:00:00

abstract：:To trigger class II-restricted T cells, antigen presenting cells have to capture antigens, process them and display their fragments in association with class II molecules. In most species, activated T cells express class II molecules; however, no evidence has been found that these cells can present soluble antigens. T...

journal_title：Nature

authors： Lanzavecchia A,Roosnek E,Gregory T,Berman P,Abrignani S

更新日期：1988-08-11 00:00:00

abstract：:Crystal structures of insulin have been determined in various distinct forms, the relevance of which to receptor recognition has long been the subject of speculation. Recently the crystal structure of an inactive insulin analogue has been determined and, surprisingly, found to have a conformation identical to native i...

journal_title：Nature

authors： Hua QX,Shoelson SE,Kochoyan M,Weiss MA

更新日期：1991-11-21 00:00:00

abstract：:Because monoclonal antibodies can recognize and bind to specific groups of atoms such as tumour antigens, they have promise for use in vivo as carriers of radionuclides, drugs or other appended molecules for diagnosis and treatment of disease. Attachment of metal ions to antibodies by means of bifunctional chelating a...

journal_title：Nature

authors： Reardan DT,Meares CF,Goodwin DA,McTigue M,David GS,Stone MR,Leung JP,Bartholomew RM,Frincke JM

更新日期：1985-07-18 00:00:00

abstract：:A re-analysis of published data on mouse mutation rates induced by X and gamma rays suggests that the kinetics of induction can be analysed by fitting the data to a parabolic curve. We interpret this to mean that a substantial proportion of the induced mutations results from gross chromosomal changes such as deletions...

journal_title：Nature

authors： Abrahamson S,Wolff S

更新日期：1976-12-23 00:00:00

abstract：:Rivers sourced in the Himalayan mountain range carry some of the largest sediment loads on the planet, yet coarse gravel in these rivers vanishes within approximately 10-40 kilometres on entering the Ganga Plain (the part of the North Indian River Plain containing the Ganges River). Understanding the fate of gravel is...

journal_title：Nature

authors： Dingle EH,Attal M,Sinclair HD

更新日期：2017-04-26 00:00:00

abstract：: ...

journal_title：Nature

authors： Tall AR,Jelic S

更新日期：2019-02-01 00:00:00

abstract：:Malignancy is a common and dreaded complication following organ transplantation. The high incidence of neoplasm and its aggressive progression, which are associated with immunosuppressive therapy, are thought to be due to the resulting impairment of the organ recipient's immune-surveillance system. Here we report a me...

journal_title：Nature

authors： Hojo M,Morimoto T,Maluccio M,Asano T,Morimoto K,Lagman M,Shimbo T,Suthanthiran M

更新日期：1999-02-11 00:00:00

abstract：:Finite element analysis (FEA) is used by industrial designers and biomechanicists to estimate the performance of engineered structures or human skeletal and soft tissues subjected to varying regimes of stress and strain. FEA is rarely applied to problems of biomechanical design in animals, despite its potential to inf...

journal_title：Nature

authors： Rayfield EJ,Norman DB,Horner CC,Horner JR,Smith PM,Thomason JJ,Upchurch P

更新日期：2001-02-22 00:00:00

abstract：:Ciliary neurotrophic factor (CNTF) promotes the survival of several populations of neurons, including sensory and motor neurons. Although CNTF is abundant in adult sciatic nerve, the mature protein lacks a signal sequence and is not secreted; therefore, it has been proposed to act as a lesion factor. The identificatio...

journal_title：Nature

authors： Curtis R,Adryan KM,Zhu Y,Harkness PJ,Lindsay RM,DiStefano PS

更新日期：1993-09-16 00:00:00

abstract：: ...

journal_title：Nature

authors：

更新日期：2018-11-01 00:00:00

abstract：:Conrad et al. have generated human adult germline stem cells (haGSCs) from human testicular tissue, which they claim have similar pluripotent properties to human embryonic stem cells (hESCs). Here we investigate the pluripotency of haGSCs by using global gene-expression analysis based on their gene array data and comp...

journal_title：Nature

authors： Ko K,Araúzo-Bravo MJ,Tapia N,Kim J,Lin Q,Bernemann C,Han DW,Gentile L,Reinhardt P,Greber B,Schneider RK,Kliesch S,Zenke M,Schöler HR

更新日期：2010-06-24 00:00:00

abstract：:The success of cisplatin in cancer chemotherapy derives from its ability to crosslink DNA and alter the structure. Most cisplatin-DNA adducts are intrastrand d(GpG) and d(ApG) crosslinks, which unwind and bend the duplex to facilitate the binding of proteins that contain one or more high-mobility group (HMG) domains. ...

journal_title：Nature

authors： Takahara PM,Rosenzweig AC,Frederick CA,Lippard SJ

更新日期：1995-10-19 00:00:00

abstract：:Angiotensin-converting enzyme (ACE) is a dipeptidyl carboxy-peptidase that generates the vasoconstricting peptide angiotensin II and inactivates the vasodilating peptide bradykinin. The gene encoding ACE is composed of two homologous regions and codes for both a somatic and testis isoenzyme. Experiments with hypertens...

journal_title：Nature

authors： Krege JH,John SW,Langenbach LL,Hodgin JB,Hagaman JR,Bachman ES,Jennette JC,O'Brien DA,Smithies O

更新日期：1995-05-11 00:00:00

abstract：:Regulation of ion transport by phosphorylation and G proteins occurs in several epithelial and non-epithelial cell plasma membranes1-5. It is not known whether transporters on intracellular membranes are target sites for second messengers. Here we present direct evidence that a chloride conductance in endocytic vesicl...

journal_title：Nature

authors： Bae HR,Verkman AS

更新日期：1990-12-13 00:00:00

abstract：:Perfusion chromatography is a technique based on fluid dynamics for reducing stagnant mobile phase mass transfer in liquid chromatography. This is achieved by using supports with large pores that allow mobile phase to flow through particles. ...

journal_title：Nature

authors： Regnier FE

更新日期：1991-04-18 00:00:00

abstract：:Cocaine is a powerfully addictive substance and new strategies are needed to treat its abuse. Generating an active immunization to cocaine offers a means of blocking the actions of the drug by preventing it from entering the central nervous system, and should have fewer side effects than treatments based on manipulati...

journal_title：Nature

authors： Carrera MR,Ashley JA,Parsons LH,Wirsching P,Koob GF,Janda KD

更新日期：1995-12-14 00:00:00

abstract：:Elongation factor Tu is present in a fourfold excess over the amount seemingly involved in protein synthesis. It is identical to a major protein which we have found associated with the plasma membrane. The possibility of a specific role in that location is considered. ...

journal_title：Nature

authors： Jacobson GR,Rosenbusch JP

更新日期：1976-05-06 00:00:00

abstract：:Bacteria living within eukaryotic cells can be essential for the survival or reproduction of the host but in other cases are among the most successful pathogens. Environmental Chlamydiae, including strain UWE25, thrive as obligate intracellular symbionts within protozoa; are recently discovered relatives of major bact...

journal_title：Nature

authors： Haferkamp I,Schmitz-Esser S,Linka N,Urbany C,Collingro A,Wagner M,Horn M,Neuhaus HE

更新日期：2004-12-02 00:00:00

abstract：:Gene targeting in embryonic stem cells has become the principal technology for manipulation of the mouse genome, offering unrivalled accuracy in allele design and access to conditional mutagenesis. To bring these advantages to the wider research community, large-scale mouse knockout programmes are producing a permanen...

journal_title：Nature

authors： Skarnes WC,Rosen B,West AP,Koutsourakis M,Bushell W,Iyer V,Mujica AO,Thomas M,Harrow J,Cox T,Jackson D,Severin J,Biggs P,Fu J,Nefedov M,de Jong PJ,Stewart AF,Bradley A

更新日期：2011-06-15 00:00:00

abstract：:The discovery of the peptide hormone ghrelin, an endogenous ligand for the growth hormone secretagogue (GHS) receptor, yielded the surprising result that the principal site of ghrelin synthesis is the stomach and not the hypothalamus. Although ghrelin is likely to regulate pituitary growth hormone (GH) secretion along...

journal_title：Nature

authors： Tschöp M,Smiley DL,Heiman ML

更新日期：2000-10-19 00:00:00

abstract：:Excitatory amino acids induce both acute membrane depolarization and latent cellular toxicity, which often leads to apoptosis in many neurological disorders. Recent studies indicate that glutamate toxicity may involve the c-Jun amino-terminal kinase (JNK) group of mitogen-activated protein (MAP) kinases. One member of...

journal_title：Nature

authors： Yang DD,Kuan CY,Whitmarsh AJ,Rincón M,Zheng TS,Davis RJ,Rakic P,Flavell RA

更新日期：1997-10-23 00:00:00

abstract：:Repetitive activation of excitatory synapses in the central nervous system results in a long-lasting increase in synaptic transmission called long-term potentiation (LTP). It is generally believed that this synaptic plasticity may underlie certain forms of learning and memory. LTP at most synapses involves the activat...

journal_title：Nature

authors： Castillo PE,Janz R,Südhof TC,Tzounopoulos T,Malenka RC,Nicoll RA

更新日期：1997-08-07 00:00:00

abstract：:The capacity of the rough endoplasmic reticulum (RER) membrane of eukaryotic cells in translocate nascent presecretory proteins from the cytosol to the intracisternal space is preserved on cell fractionation and can be assayed in vitro. Two attempts to characterize this translocation activity have been reported. Warre...

journal_title：Nature

authors： Jackson RC,Walter P,Blobel G

更新日期：1980-07-10 00:00:00