Interaction of endothelial cell growth factor with heparin: characterization by receptor and antibody recognition.

abstract：:Microprocessor [Drosha-DGCR8 (DiGeorge syndrome critical region gene 8) complex] processing of primary microRNA (pri-miRNA) is the critical first step in miRNA biogenesis, but how the Drosha cleavage site is determined has been unclear. Previous models proposed that the Drosha-DGCR8 complex measures either ~22 nt from...

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

authors： Ma H,Wu Y,Choi JG,Wu H

更新日期：2013-12-17 00:00:00

abstract：:A library of amphiphilic Janus dendrimers including two that are fluorescent and one glycodendrimer presenting lactose were used to construct giant dendrimersomes and glycodendrimersomes. Coassembly with the components of bacterial membrane vesicles by a dehydration-rehydration process generated giant cell-like hybrid...

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

authors： Xiao Q,Yadavalli SS,Zhang S,Sherman SE,Fiorin E,da Silva L,Wilson DA,Hammer DA,André S,Gabius HJ,Klein ML,Goulian M,Percec V

更新日期：2016-03-01 00:00:00

abstract：:We identified a viral IL-10 homolog encoded by an ORF (UL111a) within the human cytomegalovirus (CMV) genome, which we designated cmvIL-10. cmvIL-10 can bind to the human IL-10 receptor and can compete with human IL-10 for binding sites, despite the fact that these two proteins are only 27% identical. cmvIL-10 require...

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

authors： Kotenko SV,Saccani S,Izotova LS,Mirochnitchenko OV,Pestka S

更新日期：2000-02-15 00:00:00

abstract：:Flagellar microtubules from Chlamydomonas and sea urchin sperm were used as in vitro assembly sites for chick brain tubulin. Brain microtubules assembled onto the A-tubules, central tubules, and, to a limited extent, onto the distal ends of the axonemes at low tubulin concentrations and onto distal and proximal ends a...

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

authors： Binder LI,Dentler WL,Rosenbaum JL

更新日期：1975-03-01 00:00:00

abstract：:The mechanisms regulating expression of mouse mammary tumor virus (MMTV)-encoded superantigens from the viral sag gene are largely unknown, due to problems with detection and quantification of these low-abundance proteins. To study the expression and regulation of the MMTV sag gene, we have developed a sensitive and q...

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

authors： Reuss FU,Coffin JM

更新日期：1995-09-26 00:00:00

abstract：:Natural ecosystems contain many individuals and species interacting with each other and with their abiotic environment. Such systems can be expected to exhibit complex dynamics in which small perturbations can be amplified to cause large changes. Here, we document the reorganization of an arid ecosystem that has occur...

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

authors： Brown JH,Valone TJ,Curtin CG

更新日期：1997-09-02 00:00:00

abstract：:The quantum mechanical problem of the hydrogen atom is treated by use of a finite difference equation in place of Schrödinger's differential equation. The exact solution leads to a wave vector energy expression that is readily converted to the Bohr-Rydberg formula. (The calculations here reported are limited to spheri...

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

authors： Wall FT

更新日期：1986-08-01 00:00:00

abstract：:Insertion of foreign DNA into an established mammalian genome can extensively alter the patterns of cellular DNA methylation. Adenovirus type 12 (Ad12)-transformed hamster cells, Ad12-induced hamster tumor cells, or hamster cells carrying integrated DNA of bacteriophage lambda were used as model systems. DNA methylati...

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

authors： Heller H,Kämmer C,Wilgenbus P,Doerfler W

更新日期：1995-06-06 00:00:00

abstract：:Previous work has demonstrated a role for the E2F1 gene product in signaling apoptosis, both as a result of the deregulation of the Rb/E2F pathway as well as in response to DNA damage. We now show that the ability of cells to suppress the apoptotic potential of E2F1, as might occur during the course of normal cellular...

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

authors： Hallstrom TC,Nevins JR

更新日期：2003-09-16 00:00:00

abstract：:Awareness that our planet is a self-supporting biosphere with sunlight as its major source of energy for life has resulted in a long-term historical fascination with the workings of self-supporting ecological systems. However, the studies of such systems have never entered the canon of ecological or evolutionary tools...

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

authors： Rillig MC,Antonovics J

更新日期：2019-06-04 00:00:00

abstract：:Hermansky-Pudlak syndrome (HPS) defines a group of autosomal recessive disorders characterized by deficiencies in lysosome-related organelles such as melanosomes and platelet-dense granules. Several HPS genes encode proteins of unknown function including HPS1, HPS3, and HPS4. Here we have identified and characterized ...

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

authors： Nazarian R,Falcón-Pérez JM,Dell'Angelica EC

更新日期：2003-07-22 00:00:00

abstract：:People who are more avoidant of pathogens are more politically conservative, as are nations with greater parasite stress. In the current research, we test two prominent hypotheses that have been proposed as explanations for these relationships. The first, which is an intragroup account, holds that these relationships ...

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

authors： Tybur JM,Inbar Y,Aarøe L,Barclay P,Barlow FK,de Barra M,Becker DV,Borovoi L,Choi I,Choi JA,Consedine NS,Conway A,Conway JR,Conway P,Adoric VC,Demirci DE,Fernández AM,Ferreira DC,Ishii K,Jakšić I,Ji T,van Leeuwen

更新日期：2016-11-01 00:00:00

abstract：:Lupus nephritis (LN) is an autoimmune disease that occurs when autoantibodies complex with self-antigen and form immune complexes that accumulate in the glomeruli. These immune complexes initiate an inflammatory response resulting in glomerular injury. LN often concomitantly affects the tubulointerstitial compartment ...

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

authors： Hao W,Rovin BH,Friedman A

更新日期：2014-09-30 00:00:00

abstract：:Prion protein consists of an ensemble of glycosylated variants or glycoforms. The enzymes that direct oligosaccharide processing, and hence control the glycan profile for any given glycoprotein, are often exquisitely sensitive to other events taking place within the cell in which the glycoprotein is expressed. Alterat...

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

authors： Rudd PM,Endo T,Colominas C,Groth D,Wheeler SF,Harvey DJ,Wormald MR,Serban H,Prusiner SB,Kobata A,Dwek RA

更新日期：1999-11-09 00:00:00

abstract：:Tyr-SV40E transgenic mice are susceptible to melanoma due to simian virus 40 oncogenic sequences specifically expressed in pigment cells. Skin melanomas form relatively late. Therefore, melanocyte cell lines have been established from very young transgenic animals, when they showed no skin lesions, so that the spontan...

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

authors： Larue L,Dougherty N,Mintz B

更新日期：1992-10-15 00:00:00

abstract：:The oligodendrocyte (Od), a glial cell that produces myelin in the central nervous system, may be a target for autoreactive T cells in autoimmune demyelinating processes, although not expressing major histocompatibility complex (MHC) products. To analyze Od-T-cell interactions, we selected from normal SJL/J mouse sple...

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

authors： Jewtoukoff V,Lebar R,Bach MA

更新日期：1989-04-01 00:00:00

abstract：:Recombinant immunotoxins (RITs) are chimeric proteins composed of an Fv and a protein toxin being developed for cancer treatment. The Fv brings the toxin to the cancer cell, but most of the RITs do not reach the tumor and are removed by other organs. To identify cells responsible for RIT removal, and the pathway by wh...

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

authors： Liu XF,Wei J,Zhou Q,Molitoris BA,Sandoval R,Kobayashi H,Okada R,Nagaya T,Karim B,Butcher D,Pastan I

更新日期：2020-03-17 00:00:00

abstract：:Acute and chronic injuries to the heart result in perturbation of intracellular calcium signaling, which leads to pathological cardiac hypertrophy and remodeling. Calcium/calmodulin-dependent protein kinase II (CaMKII) has been implicated in the transduction of calcium signals in the heart, but the specific isoforms o...

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

authors： Backs J,Backs T,Neef S,Kreusser MM,Lehmann LH,Patrick DM,Grueter CE,Qi X,Richardson JA,Hill JA,Katus HA,Bassel-Duby R,Maier LS,Olson EN

更新日期：2009-02-17 00:00:00

abstract：:Cell-based or pharmacological approaches for promoting tendon repair are currently not available because the molecular mechanisms of tendon development and healing are not well understood. Although analysis of knockout mice provides many critical insights, small animals such as mice have some limitations. In particula...

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

authors： Suzuki H,Ito Y,Shinohara M,Yamashita S,Ichinose S,Kishida A,Oyaizu T,Kayama T,Nakamichi R,Koda N,Yagishita K,Lotz MK,Okawa A,Asahara H

更新日期：2016-07-12 00:00:00

abstract：:The effect of metabolic depletion on the maturation-associated loss of membrane functions has been studied by using sheep reticulocytes incubated in vitro at 37 degrees C for periods up to 41 hr. ATP was either maintained with glucose, adenosine plus inosine, or depleted with 2-deoxyglucose plus arsenate. Two membrane...

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

authors： Weigensberg AM,Blostein R

更新日期：1983-08-01 00:00:00

abstract：:Virus-specific or group-specific antibody probes to potyviruses can be produced by targeting the immune response to the virus-specific, N-terminal region of the capsid protein (29-95 amino acids depending on the virus) or to the conserved core region (216 amino acids) of the capsid protein, respectively. Immunochemica...

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

authors： Shukla DD,Tribbick G,Mason TJ,Hewish DR,Geysen HM,Ward CW

更新日期：1989-11-01 00:00:00

abstract：:The first crystal structure of the neurotransmitter/sodium symporter homolog LeuT revealed an occluded binding pocket containing leucine and 2 Na(+); later structures showed tricyclic antidepressants (TCAs) in an extracellular vestibule approximately 11 A above the bound leucine and 2 Na(+). We recently found this reg...

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

authors： Quick M,Winther AM,Shi L,Nissen P,Weinstein H,Javitch JA

更新日期：2009-04-07 00:00:00

abstract：:The recent isolation and identification of alpha-N-acetyl forms of the C-Fragment of lipotropin (beta-endorphin, residues 61-91) and the C'-Fragment (residues 61-87) [Smyth, D.G., Massey, D.E., Zakarian, S. & Finnie, M. (1979) Nature (London) 279, 252-254] has led to a study of their distribution in the pituitary and ...

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

authors： Zakarian S,Smyth D

更新日期：1979-11-01 00:00:00

abstract：:The all-cis hexose D-allose, fed to hamster fibroblast cultures over 14-20 hr, brings about a striking down-regulation of hexose transport. This down-regulation by allose is inhibited by 2,4-dinitrophenol. By using D-[14C]allose and thin-layer chromatography, two types of products accumulated that have been identified...

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

authors： Ullrey DB,Kalckar HM

更新日期：1991-02-15 00:00:00

abstract：:Single-cell RNA sequencing (scRNA-seq) enables the quantification of each gene's expression distribution across cells, thus allowing the assessment of the dispersion, nonzero fraction, and other aspects of its distribution beyond the mean. These statistical characterizations of the gene expression distribution are cri...

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

authors： Wang J,Huang M,Torre E,Dueck H,Shaffer S,Murray J,Raj A,Li M,Zhang NR

更新日期：2018-07-10 00:00:00

abstract：:Two chlorophyll-protein complexes associated with photosystem II (PSII) of the cyanobacterium Anacystis nidulans R2 have been detected. The larger of the two complexes, CPVI-1, contained a 71-kDa and a 42-kDa protein. The 71-kDa protein was determined to be the anchor protein of the phycobilisomes (the light-harvestin...

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

authors： Pakrasi HB,Riethman HC,Sherman LA

更新日期：1985-10-01 00:00:00

abstract：:Tumor-promoting phorbol esters affect the ability of mouse hematopoietic progenitor cells to form morphologically recognizable colonies in culture. They induce myeloid progenitor cells to form colonies of the monocyte/macrophage type in the absence of exogenous granulocyte/macrophage colony-stimulating factor. Convers...

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

authors： Sieber F,Stuart RK,Spivak JL

更新日期：1981-07-01 00:00:00

abstract：:Cell-specific activation of the transcription factor sigma F during sporulation in Bacillus subtilis is controlled by a regulatory pathway involving the proteins SpoIIE, SpoIIAA, and SpoIIAB. SpoIIAB is an antagonist of sigma F, and SpoIIAA, which is capable of overcoming SpoIIAB-mediated inhibition of sigma F, is an ...

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

authors： Arigoni F,Duncan L,Alper S,Losick R,Stragier P

更新日期：1996-04-16 00:00:00

abstract：:Antigenic variation of infectious organisms is a major factor in evasion of the host immune response. However, there has been no definitive demonstration of this phenomenon in the malaria parasite Plasmodium falciparum. In this study, cloned parasites were examined serologically and biochemically for the expression of...

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

authors： Biggs BA,Goozé L,Wycherley K,Wollish W,Southwell B,Leech JH,Brown GV

更新日期：1991-10-15 00:00:00

abstract：:Quiescent BALB/c 3T3 cells exposed briefly to a platelet-derived growth factor (PDGF) become "competent" to replicate their DNA but do not "progress" into S phase unless incubated with growth factors contained in platelet-poor plasma. Plasma from hypophysectomized rats is deficient in progression activity; it does not...

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

authors： Stiles CD,Capone GT,Scher CD,Antoniades HN,Van Wyk JJ,Pledger WJ

更新日期：1979-03-01 00:00:00