Transcription factor Etv5 is essential for the maintenance of alveolar type II cells.

abstract：:Semaphorin 4D (sema4D; CD100) is an integral membrane protein and the ligand for two receptors, CD72 and plexin-B1. Soluble sema4D has been shown to evoke angiogenic responses from endothelial cells and impair monocyte migration, but the origin of soluble sema4D, particularly at sites of vascular injury, has been uncl...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Zhu L,Bergmeier W,Wu J,Jiang H,Stalker TJ,Cieslak M,Fan R,Boumsell L,Kumanogoh A,Kikutani H,Tamagnone L,Wagner DD,Milla ME,Brass LF

更新日期：2007-01-30 00:00:00

abstract：:Environmental cues modulate a variety of intracellular pathways whose signaling is integrated by the molecular mechanism that constitutes the circadian clock. Although the essential gears of the circadian machinery have been elucidated, very little is known about the signaling systems regulating it. Here, we report th...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Yujnovsky I,Hirayama J,Doi M,Borrelli E,Sassone-Corsi P

更新日期：2006-04-18 00:00:00

abstract：:Previous studies have shown that the oxidants Cu(++), H(2)O(2), and diamide mimic the stimulatory effect of insulin on 3-O-methylglucose transport in isolated fat cells. The present experiments were designed to determine whether sulfhydryl oxidation plays a key role in the activation of the glucose transport system. I...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Czech MP,Lawrence JC Jr,Lynn WS

更新日期：1974-10-01 00:00:00

abstract：:The water channel aquaporin 1 (AQP1) and certain Rh-family members are permeable to CO(2) and NH(3). Here, we use changes in surface pH (pH(S)) to assess relative CO(2) vs. NH(3) permeability of Xenopus oocytes expressing members of the AQP or Rh family. Exposed to CO(2) or NH(3), AQP1 oocytes exhibit a greater maxima...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Musa-Aziz R,Chen LM,Pelletier MF,Boron WF

更新日期：2009-03-31 00:00:00

abstract：:Autoantibodies to glutamate decarboxylase 65 (GAD65Ab) are commonly believed to be a major characteristic for type 1 diabetes (T1D). We investigated the presence of GAD65Ab in healthy individuals (n = 238) and first-degree relatives (FDRs) of T1D patients (n = 27) who tested negative for GAD65Ab in conventional RIAs. ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Oak S,Gilliam LK,Landin-Olsson M,Törn C,Kockum I,Pennington CR,Rowley MJ,Christie MR,Banga JP,Hampe CS

更新日期：2008-04-08 00:00:00

abstract：:The Hsp90 chaperone buffers development against a wide range of morphological changes in many organisms and in Drosophila masks the effects of hidden genetic variation. Theory predicts that genetic and nongenetic buffering will share common mechanisms. For example, it is argued that Hsp90 genetic buffering evolved sol...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Milton CC,Huynh B,Batterham P,Rutherford SL,Hoffmann AA

更新日期：2003-11-11 00:00:00

abstract：:In vivo phage display identifies peptides that selectively home to the vasculature of individual organs, tissues, and tumors. Here we report the identification of a cyclic nonapeptide, CPGPEGAGC, which homes to normal breast tissue with a 100-fold selectivity over nontargeted phage. The homing of the phage is inhibite...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Essler M,Ruoslahti E

更新日期：2002-02-19 00:00:00

abstract：:The RNA synthesized in vitro by the virion-associated RNA-instructed RNA polymerase of purified vesicular stomatitis virus contains polyadenylate sequences. These have been demonstrated by their partial resistance to pancreatic and T(1) ribonucleases and their capacity to bind to poly(U) filters and oligo(dT)-cellulos...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Banerjee AK,Rhodes DP

更新日期：1973-12-01 00:00:00

abstract：:CYP1B1-null mice, created by targeted gene disruption in embryonic stem cells, were born at the expected frequency from heterozygous matings with no observable phenotype, thus establishing that CYP1B1 is not required for mouse development. CYP1B1 was not detectable in cultured embryonic fibroblast (EF) or in different...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Buters JT,Sakai S,Richter T,Pineau T,Alexander DL,Savas U,Doehmer J,Ward JM,Jefcoate CR,Gonzalez FJ

更新日期：1999-03-02 00:00:00

abstract：:MDM2 and MDMX are homologous proteins that bind to p53 and regulate its activity. Both contain three folded domains and ~70% intrinsically disordered regions. Previous detailed structural and biophysical studies have concentrated on the isolated folded domains. The N-terminal domains of both exhibit high affinity for ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Bista M,Petrovich M,Fersht AR

更新日期：2013-10-29 00:00:00

abstract：:Serial passage of simian virus 40 (SV40) at high multiplicity of infection leads to the emergence of variants with deleted, substituted, and/or duplicated DNA. Individual variants have been cloned by selective complementation with temperature sensitive SV40 mutants, or nonselectively by coinfection of cells with wild-...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Brockman WW,Nathans D

更新日期：1974-03-01 00:00:00

abstract：:The single-stranded mitochondrial DNA (mtDNA) displacement-loop initiation sequence (7S mtDNA) is hydrogen-bonded at the origin of replication in animal cell mtDNA. Analysis of 7S mtDNA from several cell sources indicates that this initiation sequence exists as a family of fragments of relatively discrete lengths. mtD...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Gillum AM,Clayton DA

更新日期：1978-02-01 00:00:00

abstract：:During reverse transcription of retroviral RNA, synthesis of (-) strand DNA is primed by a cellular tRNA that anneals to an 18-nt primer binding site within the 5' long terminal repeat. For (+) strand synthesis using a (-) strand DNA template linked to the tRNA primer, only the first 18 nt of tRNA are replicated to re...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Burnett BP,McHenry CS

更新日期：1997-07-08 00:00:00

abstract：:Transcriptional regulation of gene expression is a major mechanism used by plants to confer phenotypic plasticity, and yet compared with other eukaryotes or bacteria, little is known about the design principles. We generated an extensive catalog of nascent and steady-state transcripts in Arabidopsis thaliana seedlings...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Hetzel J,Duttke SH,Benner C,Chory J

更新日期：2016-10-25 00:00:00

abstract：:Adrenocortical carcinomas (ACCs) are rare and highly malignant cancers associated with poor survival of patients. Currently, mitotane, a nonspecific derivative of the pesticide DDT (1,1-(dichlorobiphenyl)-2,2-dichloroethane), is used as the standard treatment, but its mechanism of action in ACCs remains elusive. Here ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Belavgeni A,Bornstein SR,von Mässenhausen A,Tonnus W,Stumpf J,Meyer C,Othmar E,Latk M,Kanczkowski W,Kroiss M,Hantel C,Hugo C,Fassnacht M,Ziegler CG,Schally AV,Krone NP,Linkermann A

更新日期：2019-10-29 00:00:00

abstract：:Fungi must recognize plant-specific signals to initiate subsequent morphogenetic events such as filamentation that lead to infection. Here we show that the plant hormone indoleacetic acid (IAA) induces adhesion and filamentation of Saccharomyces cerevisiae. Genome expression profiling of cells treated with IAA identif...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Prusty R,Grisafi P,Fink GR

更新日期：2004-03-23 00:00:00

abstract：:Coagulation is an innate defense mechanism intended to limit blood loss and trap invading pathogens during infection. However, Staphylococcus aureus has the ability to hijack the coagulation cascade and generate clots via secretion of coagulases. Although many S. aureus have this characteristic, some do not. The popul...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Trivedi U,Madsen JS,Everett J,Fell C,Russel J,Haaber J,Crosby HA,Horswill AR,Burmølle M,Rumbaugh KP,Sørensen SJ

更新日期：2018-12-11 00:00:00

abstract：:We analyzed variability in outer surface protein B (OspB) from Borrelia burgdorferi (Bb), the causative agent of Lyme disease, to determine how Bb escapes immune destruction. We have shown that vaccination with OspB from Bb strain B31 protected mice from infection with Bb B31 but not against Bb N40. The present study ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Fikrig E,Tao H,Kantor FS,Barthold SW,Flavell RA

更新日期：1993-05-01 00:00:00

abstract：:Genomic mapping has been used to identify a region of the host genome that determines resistance to fusiform rust disease in loblolly pine where no discrete, simply inherited resistance factors had been previously found by conventional genetic analysis over four decades. A resistance locus, behaving as a single domina...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Wilcox PL,Amerson HV,Kuhlman EG,Liu BH,O'Malley DM,Sederoff RR

更新日期：1996-04-30 00:00:00

abstract：:Chorismate mutase acts at the first branch-point of aromatic amino acid biosynthesis and catalyzes the conversion of chorismate to prephenate. The results of molecular dynamics simulations of the substrate in solution and in the active site of chorismate mutase are reported. Two nonreactive conformers of chorismate ar...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Guo H,Cui Q,Lipscomb WN,Karplus M

更新日期：2001-07-31 00:00:00

abstract：:Bacteriorhodopsin from Halobacterium halobium has been solubilized in the nonionic detergent Triton X-100. The circular dichroic spectrum and hydrodynamic properties indicate that the structure of this protein in the detergent is not significantly altered from that of the native membrane-bound form. Bacteriorhodopsin ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Reyenolds JA,Stoeckenius W

更新日期：1977-07-01 00:00:00

abstract：:In vitro T-cell receptor-induced programmed cell death in both activated T cells from human immunodeficiency virus-seronegative (HIV-) donors and resting T cells from HIV+ donors was substantially influenced by cytokines. Addition of exogenous recombinant "type 1" lymphokines interferon gamma and interleukin 2 (IL-2),...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Clerici M,Sarin A,Coffman RL,Wynn TA,Blatt SP,Hendrix CW,Wolf SF,Shearer GM,Henkart PA

更新日期：1994-12-06 00:00:00

abstract：:Antibodies were raised against two synthetic peptides whose sequences correspond respectively to the COOH-terminal end (residues 501-516) of the protein encoded by the gene for the delta chain and to a proposed cytoplasmic region (residues 350-358) of the beta chain of the acetylcholine receptor from Torpedo californi...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Young EF,Ralston E,Blake J,Ramachandran J,Hall ZW,Stroud RM

更新日期：1985-01-01 00:00:00

abstract：:NY-ESO-1 is a "cancer-testis" antigen frequently expressed in epithelial ovarian cancer (EOC) and is among the most immunogenic tumor antigens defined to date. In an effort to understand in vivo tolerance mechanisms, we assessed the phenotype and function of NY-ESO-1-specific CD8(+) T cells derived from peripheral blo...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Matsuzaki J,Gnjatic S,Mhawech-Fauceglia P,Beck A,Miller A,Tsuji T,Eppolito C,Qian F,Lele S,Shrikant P,Old LJ,Odunsi K

更新日期：2010-04-27 00:00:00

abstract：:Chemomechanical coupling in muscle contraction may be due to "swinging crossbridges," such that a change in the angle at which the myosin head binds to the actin filament is tightly coupled to release of products of ATP hydrolysis. This model would limit the step size, the unit displacement of actin produced by a sing...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Toyoshima YY,Kron SJ,Spudich JA

更新日期：1990-09-01 00:00:00

abstract：:The nucleus accumbens (NAc) serves as a key neural substrate that controls acute and adaptive behavioral responses to cocaine administration. In this circuit, inputs from the NAc are transmitted through two parallel pathways, named the direct and indirect pathways, and converge at the substantia nigra pars reticulata ...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Kimura K,Hikida T,Yawata S,Yamaguchi T,Nakanishi S

更新日期：2011-06-14 00:00:00

abstract：:The thyroid hormone and retinoid X receptors form a heterodimer with each other and mediate thyroid hormone (T3)-dependent transcription. Retinoid X receptor, in addition, forms a homodimer and mediates 9-cis-retinoic acid-dependent transcription. Here, recombinant thyroid hormone receptor and recombinant retinoid X r...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Lee IJ,Driggers PH,Medin JA,Nikodem VM,Ozato K

更新日期：1994-03-01 00:00:00

abstract：:Polycomb-group (Pc-G) proteins ensure late maintenance of transcriptional repression outside the expression domain of target genes in flies and vertebrates. They act in complexes, presumably by modulating chromatin structure. In Drosophila, they have been found to be associated with transcriptionally inactive loci but...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： d Graaff W,Tomotsune D,Oosterveen T,Takihara Y,Koseki H,Deschamps J

更新日期：2003-11-11 00:00:00

abstract：:Walker-256 carcinosarcoma cells grown in tissue culture medium containing inhibitory DNA prepared from the tumor are shown to have an unaltered growth in vitro, but a diminished capacity to produce malignant tumors on injection into the rat. Coincident with this change in virulence is the induction of tRNA methylase i...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Halpern BC,Halpern RM,Chaney SQ,Smith RA

更新日期：1970-12-01 00:00:00

abstract：:The improvement of motor behavior, based on experience, is a form of learning that is critically dependent on the cerebellum. A well studied example of cerebellar motor learning is short-term saccadic adaptation (STSA). In STSA, information on saccadic errors is used to improve future saccades. The information optimiz...

journal_title：Proceedings of the National Academy of Sciences of the United States of America

authors： Catz N,Dicke PW,Thier P

更新日期：2008-05-20 00:00:00