Interleukin 3 binds to a 140-kDa phosphotyrosine-containing cell surface protein.

abstract：:According to the Dobzhansky-Muller model, hybrid sterility is a consequence of the independent evolution of related taxa resulting in incompatible genomic interactions of their hybrids. The model implies that the incompatibilities evolve randomly, unless a particular gene or nongenic sequence diverges much faster than...

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

authors： Bhattacharyya T,Gregorova S,Mihola O,Anger M,Sebestova J,Denny P,Simecek P,Forejt J

更新日期：2013-02-05 00:00:00

abstract：:The configurations of the hydrocarbon chains in micelles are severely constrained by the space-filling requirements of the chain segments, by the continuity of the chains, and by the micellar geometry. A statistical theory that takes full account of these constraints is developed by using a lattice model. The chain en...

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

authors： Dill KA,Flory PJ

更新日期：1981-02-01 00:00:00

abstract：:We postulated that a synergistic combination of two innate immune functions, pathogen surface recognition and lysis, in a protein chimera would lead to a robust class of engineered antimicrobial therapeutics for protection against pathogens. In support of our hypothesis, we have engineered such a chimera to protect ag...

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

authors： Dandekar AM,Gouran H,Ibáñez AM,Uratsu SL,Agüero CB,McFarland S,Borhani Y,Feldstein PA,Bruening G,Nascimento R,Goulart LR,Pardington PE,Chaudhary A,Norvell M,Civerolo E,Gupta G

更新日期：2012-03-06 00:00:00

abstract：:Asymmetric cell division (ACD) is believed to be a physiological event that occurs during development and tissue homeostasis in a large variety of organisms. ACD produces two unequal daughter cells, one of which resembles a multipotent stem and/or progenitor cell, whereas the other has potential for differentiation. A...

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

authors： Izumi H,Kaneko Y

更新日期：2012-10-30 00:00:00

abstract：:Using a HeLa cell line stably transfected with the tat gene from human immunodeficiency virus type 1, we have found that the expression of the regulatory Tat protein suppresses the expression of cellular Mn-containing superoxide dismutase (Mn-SOD). This enzyme is one of the cell's primary defenses against oxygen-deriv...

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

authors： Flores SC,Marecki JC,Harper KP,Bose SK,Nelson SK,McCord JM

更新日期：1993-08-15 00:00:00

abstract：:The synthesis of the proteins laminin and collagen IV is stimulated approximately equal to 20-fold in F9 mouse teratocarcinoma stem cells after treatment of the cells with retinoic acid and N6, O2'-dibutyryl-cAMP (Bt2cAMP). A cDNA library from F9 cells treated with retinoic acid, Bt2cAMP, and theophylline (F9-R + DBC ...

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

authors： Wang SY,Gudas LJ

更新日期：1983-10-01 00:00:00

abstract：:The mammalian hair follicle unit consists of a central follicle and a series of associated structures: sebaceous glands, arrector pili muscles, Merkel cells, and sensory nerve endings. The architecture of this multicellular structure is highly polarized with respect to the body axes. Previous work has implicated Frizz...

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

authors： Chang H,Nathans J

更新日期：2013-03-05 00:00:00

abstract：:Proteins have evolved to be foldable, and yet determinants of foldability may be inapparent once the native state is reached. Insight has emerged from studies of diseases of protein misfolding, exemplified by monogenic diabetes mellitus due to mutations in proinsulin leading to endoplasmic reticulum stress and β-cell ...

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

authors： Rege NK,Liu M,Yang Y,Dhayalan B,Wickramasinghe NP,Chen YS,Rahimi L,Guo H,Haataja L,Sun J,Ismail-Beigi F,Phillips NB,Arvan P,Weiss MA

更新日期：2020-11-24 00:00:00

abstract：:The oxygenation of the atmosphere ∼2.45-2.32 billion years ago (Ga) is one of the most significant geological events to have affected Earth's redox history. Our understanding of the timing and processes surrounding this key transition is largely dependent on the development of redox-sensitive proxies, many of which re...

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

authors： Chi Fru E,Rodríguez NP,Partin CA,Lalonde SV,Andersson P,Weiss DJ,El Albani A,Rodushkin I,Konhauser KO

更新日期：2016-05-03 00:00:00

abstract：:Human cells express thousands of different surface proteins that can be used for cell classification, or to distinguish healthy and disease conditions. A method capable of profiling a substantial fraction of the surface proteome simultaneously and inexpensively would enable more accurate and complete classification of...

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

authors： Pollock SB,Hu A,Mou Y,Martinko AJ,Julien O,Hornsby M,Ploder L,Adams JJ,Geng H,Müschen M,Sidhu SS,Moffat J,Wells JA

更新日期：2018-03-13 00:00:00

abstract：:Light microscopy autoradiography has been used to visualize neuroanatomical patterns of brain opiate receptor upregulation in response to chronic naltrexone administration. Slide-mounted brain sections of frozen rat brain were labeled in vitro with dihydro[3H]morphine, a relatively selective mu opioid ligand. The grea...

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

authors： Tempel A,Gardner EL,Zukin RS

更新日期：1984-06-01 00:00:00

abstract：:We demonstrate the use of self-assembly for the integration of freestanding micrometer-scale components, including single-crystal, silicon field-effect transistors (FETs) and diffusion resistors, onto flexible plastic substrates. Preferential self-assembly of multiple microcomponent types onto a common platform is ach...

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

authors： Stauth SA,Parviz BA

更新日期：2006-09-19 00:00:00

abstract：:Gamma-band synchronization adjusts the timing of excitatory and inhibitory inputs to a neuron. Neurons in the visual cortex are selective for stimulus orientation because of dynamic interactions between excitatory and inhibitory inputs. We hypothesized that these interactions and hence also orientation selectivity var...

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

authors： Womelsdorf T,Lima B,Vinck M,Oostenveld R,Singer W,Neuenschwander S,Fries P

更新日期：2012-03-13 00:00:00

abstract：:The specificity of human skin collagenase and of an enzyme from an invasive tumor were studied by using types I, II, III, IV, and V (AB) collagen as substrates. Human skin collagenase degraded types I, II, and III collagen, producing the characteristic 3/4 and 1/4 cleavage products, but failed to degrade type IV or V ...

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

authors： Liotta LA,Abe S,Robey PG,Martin GR

更新日期：1979-05-01 00:00:00

abstract：:The catalytic power of enzymes containing coenzyme B12 has been, in some respects, the "last bastion" for the strain hypothesis. Our previous study of this system established by a careful sampling that the major part of the catalytic effect is due to the electrostatic interaction between the ribose of the ado group an...

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

authors： Schopf P,Mills MJ,Warshel A

更新日期：2015-04-07 00:00:00

abstract：:A 24-amino acid residue peptide has been isolated from the Fc region of a human IgG1 myeloma protein. The peptide has associated with it the same ability to induce murine B cells to polyclonally secrete antibody as does the intact Fc fragment. Amino acid composition of the peptide indicates that on a mole/mole basis t...

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

authors： Morgan EL,Hugli TE,Weigle WO

更新日期：1982-09-01 00:00:00

abstract：:Peptidoglycan recognition proteins (PGRPs) are highly conserved pattern-recognition molecules of the innate immune system that bind bacterial peptidoglycans (PGNs), which are polymers of alternating N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM) cross-linked by short peptide stems. Human PRGPs are bactericid...

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

authors： Cho S,Wang Q,Swaminathan CP,Hesek D,Lee M,Boons GJ,Mobashery S,Mariuzza RA

更新日期：2007-05-22 00:00:00

abstract：:Naive CD4 T cells differentiate into several effector lineages, which generate a stronger and more rapid response to previously encountered immunological challenges. Although effector function is a key feature of adaptive immunity, the molecular basis of this process is poorly understood. Here, we investigated the spa...

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

authors： Zorca CE,Kim LK,Kim YJ,Krause MR,Zenklusen D,Spilianakis CG,Flavell RA

更新日期：2015-03-31 00:00:00

abstract：:For disordered proteins, the dimensions of the chain are an important property that is sensitive to environmental conditions. We have used single-molecule Förster resonance energy transfer to probe the temperature-induced chain collapse of five unfolded or intrinsically disordered proteins. Because this behavior is se...

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

authors： Wuttke R,Hofmann H,Nettels D,Borgia MB,Mittal J,Best RB,Schuler B

更新日期：2014-04-08 00:00:00

abstract：:The Lyz endolysin of bacteriophage P1 was found to cause lysis of the host without a holin. Induction of a plasmid-cloned lyz resulted in lysis, and the lytic event could be triggered prematurely by treatments that dissipate the proton-motive force. Instead of requiring a holin, export was mediated by an N-terminal tr...

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

authors： Xu M,Struck DK,Deaton J,Wang IN,Young R

更新日期：2004-04-27 00:00:00

abstract：:Mutations in the gene encoding the endothelin receptor type B (EDNRB) produce congenital aganglionic megacolon and pigment abnormalities in mice and humans. Here we report a naturally occurring null mutation of the EDNRB gene in spotting lethal (sl) rats, which exhibit aganglionic megacolon associated with white coat ...

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

authors： Gariepy CE,Cass DT,Yanagisawa M

更新日期：1996-01-23 00:00:00

abstract：:How pathogenic cluster of differentiation 4 (CD4) T cells in rheumatoid arthritis (RA) develop remains poorly understood. We used Nur77-a marker of T cell antigen receptor (TCR) signaling-to identify antigen-activated CD4 T cells in the SKG mouse model of autoimmune arthritis and in patients with RA. Using a fluoresce...

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

authors： Ashouri JF,Hsu LY,Yu S,Rychkov D,Chen Y,Cheng DA,Sirota M,Hansen E,Lattanza L,Zikherman J,Weiss A

更新日期：2019-09-10 00:00:00

abstract：:Rhodopsin folding and assembly were investigated by expression of five bovine opsin gene fragments separated at points corresponding to proteolytic cleavage sites in the second or third cytoplasmic regions. The CH(1-146) and CH(147-348) gene fragments encode amino acids 1-146 and 147-348 of opsin, while the TH(1-240) ...

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

authors： Ridge KD,Lee SS,Yao LL

更新日期：1995-04-11 00:00:00

abstract：:A readily accessible new class of near infrared (NIR) molecular probes has been synthesized and evaluated. Specific fluorophores in this unique xanthene based regioisomeric seminaphthofluorone dye series exhibit a combination of desirable characteristics including (i) low molecular weight (339 amu), (ii) aqueous solub...

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

authors： Yang Y,Lowry M,Xu X,Escobedo JO,Sibrian-Vazquez M,Wong L,Schowalter CM,Jensen TJ,Fronczek FR,Warner IM,Strongin RM

更新日期：2008-07-01 00:00:00

abstract：:Damage to the protooncogene MYC has been implicated in the genesis of diverse human tumors, but the tumorigenic potential of the isolated gene has been disputed. Here we report the use of a retroviral vector to test the potency of human MYC for neoplastic transformation in avian cells. We found that sustained and abun...

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

authors： Ramsay GM,Moscovici G,Moscovici C,Bishop JM

更新日期：1990-03-01 00:00:00

abstract：:The 8;21 translocation is one of the most common specific rearrangements in acute myelogenous leukemia. We have identified markers (D21S65 and a Not I boundary clone, Not-42, referred to as probe B) flanking the chromosome 21 translocation breakpoint (21q22.3) that demonstrate physical linkage in normal genomic DNA, b...

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

authors： Gao J,Erickson P,Gardiner K,Le Beau MM,Diaz MO,Patterson D,Rowley JD,Drabkin HA

更新日期：1991-06-01 00:00:00

abstract：:Saccharomyces cerevisiae is an ideal host from which to obtain high levels of posttranslationally modified eukaryotic proteins for x-ray crystallography. However, extensive replacement of methionine by selenomethionine for anomalous dispersion phasing has proven intractable in yeast. We report a general method to inco...

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

authors： Malkowski MG,Quartley E,Friedman AE,Babulski J,Kon Y,Wolfley J,Said M,Luft JR,Phizicky EM,DeTitta GT,Grayhack EJ

更新日期：2007-04-17 00:00:00

abstract：:Across the Upper Missouri River Basin, the recent drought of 2000 to 2010, known as the "turn-of-the-century drought," was likely more severe than any in the instrumental record including the Dust Bowl drought. However, until now, adequate proxy records needed to better understand this event with regard to long-term v...

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

authors： Martin JT,Pederson GT,Woodhouse CA,Cook ER,McCabe GJ,Anchukaitis KJ,Wise EK,Erger PJ,Dolan L,McGuire M,Gangopadhyay S,Chase KJ,Littell JS,Gray ST,St George S,Friedman JM,Sauchyn DJ,St-Jacques JM,King J

更新日期：2020-05-26 00:00:00

abstract：:Lipid interactions with the integral membrane protein Na,K-ATPase (ATP phosphohydrolase, EC 3.6.1.3) purified from the electric organ of Electrophorus electricus were studied by spin labeling. A protein-associated component (boundary layer) in equilibrium with the fluid bilayer is clearly evident in the electron spin ...

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

authors： Brotherus JR,Jost PC,Griffith OH,Keana JF,Hokin LE

更新日期：1980-01-01 00:00:00

abstract：:Irrigation of the dog's oxyntic glandular mucosa contained in a chronically prepared, vagally denervated, separated pouch of the dog's stomach with a solution (0.5 mg ml-1) of lyophilized venom of the hooded cobra (Naja naja) increases the permeability of the mucosa. If irrigation with venom solution is repeated at we...

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

authors： Davenport HW

更新日期：1976-03-01 00:00:00