The magnetofection method: using magnetic force to enhance gene delivery.

abstract：:Host T cell activation, a key step in obtaining adaptive immunity against pathogens, is initiated by the binding of the T cell receptor to a foreign antigenic peptide presented by the major histocompatibility complex on the surface of an antigen-presenting cell and, consequently, formation of an immunological synapse....

journal_title：Biological chemistry

authors： Beyersdorf N,Müller N

更新日期：2015-06-01 00:00:00

abstract：:Hyperpolarization-activated cation currents, termed I(h), are observed in a variety of neurons. Four members of a gene family encoding hyperpolarization-activated cyclic-nucleotide-gated cation channels (HCN1-4) have been cloned. The regional expression and cellular localization of the four HCN channel types in mouse ...

journal_title：Biological chemistry

authors： Moosmang S,Biel M,Hofmann F,Ludwig A

更新日期：1999-07-01 00:00:00

abstract：:To elucidate the structures and dynamics of membrane proteins, highly advanced biophysical methods have been developed that often require significant resources, both for sample preparation and experimental analyses. For very complex systems, such as membrane transporters, ion channels or G-protein coupled receptors (G...

journal_title：Biological chemistry

authors： Rose-Sperling D,Tran MA,Lauth LM,Goretzki B,Hellmich UA

更新日期：2019-09-25 00:00:00

abstract：:The molecular architectures of the catalytic core of protein phosphatase 1 (PP1) and protein phosphatase 2B (PP2B) are similar, and both contain a beta12-beta13 loop that consists of non-conserved residues. A truncation mutant containing the PP2B catalytic domain has previously been constructed in our laboratory, and ...

journal_title：Biological chemistry

authors： Xie XJ,Xue CZ,Huang W,Yu DY,Wei Q

更新日期：2006-10-01 00:00:00

abstract：:CYP20A1 is a well-conserved member of the human cytochrome P450 enzyme family for which no endogenous or xenobiotic substrate is known. We have recently shown that this enzyme has moderate activity towards two proluciferin probe substrates. In order to facilitate the search for physiological substrates we have tested ...

journal_title：Biological chemistry

authors： Durairaj P,Fan L,Sharma SS,Jie Z,Bureik M

更新日期：2020-02-25 00:00:00

abstract：:Based on its monophenolic structure and given its pharmacological and toxicological importance, the ability of tyrosinase to oxidize acetaminophen was studied for the first time. Progress curves showed a transient phase characteristic of the monophenolase activity of tyrosinase prior to attaining the steady-state. The...

journal_title：Biological chemistry

authors： Valero E,Varón R,García-Carmona F

更新日期：2002-12-01 00:00:00

abstract：:The accumulation of cholesterol is a general feature of cancer tissue, and recent evidence suggests that cholesterol plays critical roles in the progression of cancers, including breast, prostate, and colorectal cancers. The dysregulation of metabolic pathways, including those involved in cholesterol biosynthesis, is ...

journal_title：Biological chemistry

authors： Murai T

更新日期：2015-01-01 00:00:00

abstract：:The N-terminal propeptide domains of several cathepsin L-like cysteine proteases have been shown to possess potent inhibitory activity. Here we report the first kinetic characterisation of the inhibition properties of the cathepsin V propeptide (CatV PP). Using a facile recombinant approach we demonstrate expression, ...

journal_title：Biological chemistry

authors： Burden RE,Snoddy P,Jefferies CA,Walker B,Scott CJ

更新日期：2007-05-01 00:00:00

abstract：:Most excitatory synaptic transmissions in the central nervous system are mediated by the neurotransmitter glutamate. Binding of glutamate released from the presynaptic membrane causes glutamate receptors in the postsynaptic membrane to open, which results in a transient depolarization of the postsynaptic membrane. The...

journal_title：Biological chemistry

authors： Nakagawa T,Cheng Y,Sheng M,Walz T

更新日期：2006-02-01 00:00:00

abstract：:The conversion of the cellular isoform of the prion protein (PrP(C)) into the pathologic isoform (PrP(Sc)) is the key event in prion diseases. To study the conversion process, an in vitro system based on varying the concentration of low amounts of sodium dodecyl sulfate (SDS) has been employed. In the present study, t...

journal_title：Biological chemistry

authors： Stöhr J,Elfrink K,Weinmann N,Wille H,Willbold D,Birkmann E,Riesner D

更新日期：2011-05-01 00:00:00

abstract：:Protein transport, especially into different cellular compartments, is a highly coordinated and regulated process. The molecular machineries which carry out these transport processes are highly complex in structure, function, and regulation. In the case of chloroplasts, thousands of protein molecules have been estimat...

journal_title：Biological chemistry

authors： Sommer MS,Schleiff E

更新日期：2009-08-01 00:00:00

abstract：:As an important protein, UL31 has been demonstrated to play multiple roles in herpes simplex virus 1 (HSV-1) replication. Previous studies showed that UL31 predominantly locates in the nucleus in chemical fixed cells and live cells, however, the determining mechanisms for its nuclear translocation is not clear. In the...

journal_title：Biological chemistry

authors： Cai M,Si J,Li X,Zeng Z,Li M

更新日期：2016-06-01 00:00:00

abstract：:Interleukin-13 (IL-13) is a T-cell-derived pleiotropic cytokine of particular medical importance because of its critical role in the development of allergic asthma. The effects of IL-13 on its target cells are mediated through a dimeric transmembrane receptor (IL-13R), which shares the IL-4Ralpha subunit with the IL-4...

journal_title：Biological chemistry

authors： Knackmuss S,Krause S,Engel K,Reusch U,Virchow JC,Mueller T,Kraich M,Little M,Luttmann W,Friedrich K

更新日期：2007-03-01 00:00:00

abstract：:N-acyl homoserine lactones (AHLs) are quorum sensing (QS) signal molecules used by most Gram-negative pathogenic bacteria. In this article the lactonase activity of the preparations based on hexahistidine-tagged organophosphorus hydrolase (His6-OPH) towards AHLs was studied. Initially, three of the most interesting β-...

journal_title：Biological chemistry

authors： Aslanli A,Lyagin I,Efremenko E

更新日期：2018-07-26 00:00:00

abstract：:Eukaryotic organisms have evolved complex and robust cellular stress response pathways to ensure maintenance of proteostasis and survival during fluctuating environmental conditions. Highly conserved stress response pathways can be triggered and coordinated at the cell-autonomous and cell-nonautonomous level by proteo...

journal_title：Biological chemistry

authors： Jones LM,Chen Y,van Oosten-Hawle P

更新日期：2020-08-27 00:00:00

abstract：:Studies of extracellular matrix (ECM) biology in the nervous system have mainly focused on laminin, fibronectin and tenascin-R, proteins that are present during nervous system development and normal function. However, during disease, fibrin, which physiologically is not present in the nervous tissue, is detected at ne...

journal_title：Biological chemistry

authors： Akassoglou K,Strickland S

更新日期：2002-01-01 00:00:00

abstract：:During the last years, the use of therapeutic glycoproteins has increased strikingly. Glycosylation of recombinant glycoproteins is of major importance in biotechnology, as the glycan composition of recombinant glycoproteins impacts their pharmacological properties. The terminal position of N-linked complex glycans in...

journal_title：Biological chemistry

authors： Werner A,Horstkorte R,Glanz D,Biskup K,Blanchard V,Berger M,Bork K

更新日期：2012-08-01 00:00:00

abstract：:Major vault protein (MVP) is the predominant member of a large cytosolic ribonucleoprotein particle, termed vault. We have previously shown that MVP derived from electric ray electric organ becomes phosphorylated by protein kinase C in vitro and by tyrosine kinase in vivo. Here we show that MVP from two mammalian cell...

journal_title：Biological chemistry

authors： Ehrnsperger C,Volknandt W

更新日期：2001-10-01 00:00:00

abstract：:Interleukin-6 (IL-6) is a 185 amino acid residue helical cytokine with various biological activities (e. g. B cell development, acute phase reaction). We have investigated the role of the 168-185 C-terminal region of IL-6 in the induction of fibrinogen synthesis and expression of junB mRNA using synthetic peptides cor...

journal_title：Biological chemistry

authors： Igaz P,Bösze S,Tóth S,Falus A,Hudecz F

更新日期：2001-04-01 00:00:00

abstract：:Selective adhesion of fungal cells to one another and to foreign surfaces is fundamental for the development of multicellular growth forms and the successful colonization of substrates and host organisms. Accordingly, fungi possess diverse cell wall-associated adhesins, mostly large glycoproteins, which present N-term...

journal_title：Biological chemistry

authors： Essen LO,Vogt MS,Mösch HU

更新日期：2020-11-26 00:00:00

abstract：:Plasma kallikrein plays a role in coagulation, fibrinolysis and inflammation. Cathepsins B and L participate in (patho)physiological processes such as peptide antigen processing, tissue remodeling events, protein turnover in cells, hormone processing and tumor invasion. The present work analyzes the processing of prek...

journal_title：Biological chemistry

authors： Barros NM,Puzer L,Tersariol IL,Oliva ML,Sampaio CA,Carmona AK,Motta G

更新日期：2004-11-01 00:00:00

abstract：:Rhomboids are ubiquitous intramembrane serine proteases that cleave transmembrane substrates. Their functions include growth factor signaling, mitochondrial homeostasis, and parasite invasion. A recent study revealed that the Escherichia coli rhomboid protease EcGlpG is essential for its extraintestinal pathogenic col...

journal_title：Biological chemistry

authors： Arutyunova E,Jiang Z,Yang J,Kulepa AN,Young HS,Verhelst S,O'Donoghue AJ,Lemieux MJ

更新日期：2018-11-27 00:00:00

abstract：:The formation of N-glycosidic linkages of glycoproteins involves the ordered assembly of the common Glc3Man9GlcNAc2 core-oligosaccharide on the lipid carrier dolichyl pyrophosphate. Whereas early mannosylation steps occur on the cytoplasmic side of the endoplasmic reticulum with GDP-Man as donor, the final reactions f...

journal_title：Biological chemistry

authors： Sharma CB,Knauer R,Lehle L

更新日期：2001-02-01 00:00:00

abstract：:A novel antifungal protein, designated chrysancorin, was isolated from seeds of Chrysanthemum coronarium var. spatiosum with a procedure involving ion exchange chromatography on DEAE-cellulose, affinity chromatography on Affi-gel blue resin, ion exchange chromatography on SP-Sepharose and FPLC-gel filtration on Superd...

journal_title：Biological chemistry

authors： Wang H,Ye XY,Ng TB

更新日期：2001-06-01 00:00:00

abstract：:We present a method that allows preparing long DNA containing defined mismatches without the use of gel electrophoretic or chromatographic purification steps. The preparation starts with the synthesis of two PCR products, which are identical except for those positions that will later form the mismatches. One of the PC...

journal_title：Biological chemistry

authors： Thomas E,Pingoud A,Friedhoff P

更新日期：2002-09-01 00:00:00

abstract：:Membrane dynamics are essential for numerous cellular processes in eukaryotic and prokaryotic cells. In eukaryotic cells, membrane fusion and fission are often catalyzed by large GTPases of the dynamin protein family. These proteins couple GTP hydrolysis to membrane deformation, which eventually leads to fusion or fis...

journal_title：Biological chemistry

authors： Bramkamp M

更新日期：2012-11-01 00:00:00

abstract：:The relationship between the structure and activity of meta- and para-hydroxylated monophenols was studied during their tyrosinase-catalysed hydroxylation and the rate-limiting steps of the reaction mechanism were identified. The para-hydroxylated substrates permit us to study the effect of a substituent (R) in the ca...

journal_title：Biological chemistry

authors： Fenoll LG,Rodríguez-López JN,Varón R,García-Ruiz PA,García-Cánovas F,Tudela J

更新日期：2000-04-01 00:00:00

abstract：:The stress-activated protein kinase p38/SAPK2 is known to regulate the activity of transcription factors and to control expression of several genes at the transcriptional or post-transcriptional level. In order to identify genes whose expression is under the control of p38/SAPK2 activity, we have compared the mRNA lev...

journal_title：Biological chemistry

authors： Rolli-Derkinderen M,Gaestel M

更新日期：2000-03-01 00:00:00

abstract：:In this work we demonstrate that heat and pressure induce only slightly different energetic changes in the unfolded state of RNase A. Using pressure and temperature as denaturants on a significant number of variants, and by determining the free energy of unfolding at different temperatures, we estimated the stability ...

journal_title：Biological chemistry

authors： Font J,Benito A,Torrent J,Lange R,Ribó M,Vilanova M

更新日期：2006-03-01 00:00:00

abstract：:The cell, as a molecular system, is often interpreted in terms of complex clockworks, and the design charts of mechanical and electrical engineering are assumed to provide adequate approximations for the description of cellular organization. However, a growing body of experimental evidence obtained through the observa...

journal_title：Biological chemistry

authors： Kurakin A

更新日期：2005-03-01 00:00:00