An efficient method for the preparation of long heteroduplex DNA as substrate for mismatch repair by the Escherichia coli MutHLS system.

abstract：:Vaccination with either exogenous hepatitis B surface antigen (HBsAg) lipoprotein particles without adjuvants, or plasmid DNA encoding secreted small HBsAg stimulate long-lasting, potent antibody responses in H-2d (BALB/c) and C57Bl/6 (H-2b) mice. Vaccination with exogenous HBsAg primes MHC-I restricted cytotoxic T ly...

journal_title：Biological chemistry

authors： Schirmbeck R,Reimann J

更新日期：1999-03-01 00:00:00

abstract：:This review addresses many of the chemical aspects of nitrosative stress mediated by N2O3. From a cellular perspective, N2O3 and the resulting reactive nitrogen oxide species target specific motifs such as thiols, lysine active sites, and zinc fingers and is dependant upon both the rates of production as well as consu...

journal_title：Biological chemistry

authors： Ridnour LA,Thomas DD,Mancardi D,Espey MG,Miranda KM,Paolocci N,Feelisch M,Fukuto J,Wink DA

更新日期：2004-01-01 00:00:00

abstract：:The production and processing of ribosomal RNA is a complex and well-coordinated nucleolar process for ribosome biogenesis. Progress in understanding nucleolar structure and function has lead to the unexpected discovery of the nucleolus as a highly sensitive sensor of cellular stress and an important regulator of the ...

journal_title：Biological chemistry

authors： Burger K,Eick D

更新日期：2013-09-01 00:00:00

abstract：:Five moeA mutants were generated by replacing some conserved amino acids of MoeA by site-directed mutagenesis. The mutants were assayed for the ability to restore in vivo nitrate reductase activity of the moeA mutant Escherichia coli JRG97 and in vitro Neurospora crassa nit-1 nitrate reductase activity. The replacemen...

journal_title：Biological chemistry

authors： Sandu C,Brandsch R

更新日期：2002-02-01 00:00:00

abstract：:Malaria can be a very severe disease, particularly in young children, pregnant women (mostly in primipara), and malaria naïve adults, and currently ranks among the most prevalent infections in tropical and subtropical areas throughout the world. The widespread occurrence and the increased incidence of malaria in many ...

journal_title：Biological chemistry

authors： Tsuji M,Rodrigues EG,Nussenzweig S

更新日期：2001-04-01 00:00:00

abstract：:Squamous cell carcinoma antigens (SCCA) 1 and 2 are highly homologous proteins of the serpin family, although they inhibit different types of proteinases. We investigated the expression of both SCCA mRNAs in tumor tissues, in various cell lines (A431, SAS, Ca9, HeLa, SKGIIIa, HSC-2, HSC-3, HSC-4 and KB) and in HSC cel...

journal_title：Biological chemistry

authors： Takeda A,Kajiya A,Iwasawa A,Nakamura Y,Hibino T

更新日期：2002-07-01 00:00:00

abstract：:Proteomic identification of protease cleavage site specificity (PICS) is a recent proteomic approach for the easy mapping of protease subsite preferences that determines both the prime- and non-prime side specificity concurrently. Here we greatly facilitate user access by providing an automated and simple web-based da...

journal_title：Biological chemistry

authors： Schilling O,auf dem Keller U,Overall CM

更新日期：2011-11-01 00:00:00

abstract：:Seven purified proteins may be combined to reconstitute regulated, promoter-dependent RNA polymerase II transcription: five general transcription factors, Mediator, and RNA polymerase II. The entire system has been conserved across species from yeast to humans. The structure of RNA polymerase II, consisting of 10 poly...

journal_title：Biological chemistry

authors： Kornberg RD

更新日期：2001-08-01 00:00:00

abstract：:To exploit the B-lymphocyte antigen-CD20 binding capacity of the Ibritumomab tiuxetan (IBTN) monoclonal antibody (mAb) for imaging, the over-expression of B cells in non-Hodgkin's lymphoma (NHL) (a myeloproliferative disorder of the lymphatic system) was investigated. In the current investigation, we present the label...

journal_title：Biological chemistry

authors： Shah SQ,Khan AU,Khan MR

更新日期：2012-01-01 00:00:00

abstract：:Metachromatic leukodystrophy is a lysosomal disorder caused by the deficiency of arylsulfatase A (ASA). This leads to the storage of the sphingolipid 3-O-sulfogalactosylceramide (sulfatide) in various cell types, such as renal tubular cells. Examination of mannose 6-phosphate receptor (MPR300)-dependent endocytosis re...

journal_title：Biological chemistry

authors： Klein D,Yaghootfam A,Matzner U,Koch B,Braulke T,Gieselmann V

更新日期：2009-01-01 00:00:00

abstract：:Trypsin and chymotrypsin have similar tertiary structures, although very different substrate specificities. Trypsin hydrolyzes peptides at Lys/Arg residues while chymotrypsin recognizes large hydrophobic residues. Recent work has shown that trypsin is not converted into a protease with chymotrypsin-like activity when ...

journal_title：Biological chemistry

authors： Hedstrom L

更新日期：1996-07-01 00:00:00

abstract：:DEAD-box proteins disrupt or remodel RNA and protein/RNA complexes at the expense of ATP. The catalytic core is composed of two flexibly connected RecA-like domains. The N-terminal domain contains most of the motifs involved in nucleotide binding and serves as a minimalistic model for helicase/nucleotide interactions....

journal_title：Biological chemistry

authors： Strohmeier J,Hertel I,Diederichsen U,Rudolph MG,Klostermeier D

更新日期：2011-04-01 00:00:00

abstract：:We have previously shown that compatible organic osmolytes, such as betaine, myo-inositol and taurine, are part of the stress response of normal human keratinocytes (NHKs) to ultraviolet B (UVB) radiation. In this regard, we tested human HaCaT keratinocytes as a surrogate cell line for NHK. HaCaT cells osmo-dependentl...

journal_title：Biological chemistry

authors： Warskulat U,Brookmann S,Reinen A,Häussinger D

更新日期：2007-12-01 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 Sialyl-Tn antigen (Sialyl alpha-Ser/Thr) is expressed as a cancer-associated antigen on the surface of cancer cells. Its presence is associated with a poor prognosis in patients with colorectal and other cancers. We previously reported that Sialyl-Tn expression in LSC human colon cancer cells could be explained by...

journal_title：Biological chemistry

authors： Brockhausen I,Yang J,Lehotay M,Ogata S,Itzkowitz S

更新日期：2001-02-01 00:00:00

abstract：:Transcriptional enhancers are short (200-1500 base pairs) DNA segments that are able to dramatically boost transcription from the promoter of a target gene. Originally discovered in simian virus 40 (SV40), a small DNA virus, transcription enhancers were soon also found in immunoglobulin genes and other cellular genes ...

journal_title：Biological chemistry

authors： Schaffner W

更新日期：2015-04-01 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：:Haptoglobin (Hpt) is known to capture circulating free hemoglobin (Hb) and bind apolipoprotein (Apo) A-I or E. Here, we report that Hb can be tightly bound by most of Hpt molecules (TB-Hpt, 80%), whereas loosely bound by a minor part of them (LB-Hpt, 20%). LB-Hpt amount was significantly increased (over 60%) in patien...

journal_title：Biological chemistry

authors： Spagnuolo MS,Cigliano L,Maresca B,Pugliese CR,Abrescia P

更新日期：2011-04-01 00:00:00

abstract：:The three-dimensional structure of pterin-4a-carbinolamine dehydratase (PCD) from Pseudomonas aeruginosa has been solved. Based on this we have investigated the roles of putative active center residues through functional replacement by site-directed mutagenesis. Three histidines, His73, His74 and His91, appear to be i...

journal_title：Biological chemistry

authors： Köster S,Stier G,Kubasch N,Curtius HC,Ghisla S

更新日期：1998-12-01 00:00:00

abstract：:MHC (major histocompatibility complex) class I molecules bind intracellular virus-derived peptides in the endoplasmic reticulum (ER) and present them at the cell surface to cytotoxic T lymphocytes. Peptide-free class I molecules at the cell surface, however, could lead to aberrant T cell killing. Therefore, cells ensu...

journal_title：Biological chemistry

authors： Wright CA,Kozik P,Zacharias M,Springer S

更新日期：2004-09-01 00:00:00

abstract：:SlyD is a bacterial two-domain protein that functions as a molecular chaperone, a prolyl cis/trans isomerase, and a nickel-binding protein. This review summarizes recent findings about the molecular enzyme mechanism of SlyD. The chaperone function located in one domain of SlyD is involved in twin-arginine translocatio...

journal_title：Biological chemistry

authors： Kovermann M,Schmid FX,Balbach J

更新日期：2013-08-01 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：:Hypochlorous acid (HOCl) is a bactericidal compound formed by activated neutrophils during inflammation. Overproduction of HOCl causes damage to tissues at the site of neutrophil accumulation. The deleterious effects of excessive HOCl formation can be attenuated using antioxidants. Thiols and thioethers are known to b...

journal_title：Biological chemistry

authors： den Hartog GJ,Haenen GR,Vegt E,van der Vijgh WJ,Bast A

更新日期：2002-03-01 00:00:00

abstract：:Transforming growth factor-β (TGFβ) signaling acts as suppressor and inducer of tumor progression during the early and late stages of cancer, respectively. Some miRNAs have shown a regulatory effect on TGFβ signaling and here, we have used a combination of bioinformatics and experimental tools to show that hsa-miR-559...

journal_title：Biological chemistry

authors： Abedini Bakhshmand E,Soltani BM

更新日期：2019-04-24 00:00:00

abstract：:There is increasing evidence that apoptosis and necrosis represent only two of several possible ways for cells to die. These two types of demise can occur simultaneously in tissues or cell cultures exposed to the same stimulus, and often local metabolic conditions and the intensity of the same initial insult decide th...

journal_title：Biological chemistry

authors： Nicotera P,Leist M,Single B,Volbracht C

更新日期：1999-09-01 00:00:00

abstract：:Isolated human granulocyte plasma membranes contain progelatinase B. The binding of progelatinase B to the membrane, however, is relatively weak, and a considerable part of progelatinase B can be removed by simply washing the membrane with buffer. This detachment does not depend on the ionic strength of the buffer, in...

journal_title：Biological chemistry

authors： Kolkenbrock H,Zimmermann J,Burmester GR,Ulbrich N

更新日期：2000-01-01 00:00:00

abstract：:The mitochondrial DNA (mtDNA) encompasses two classes of functionally important sequence variants: recent pathogenic mutations and ancient adaptive polymorphisms. To rapidly and cheaply evaluate both classes of single nucleotide variants (SNVs), we have developed an integrated system in which mtDNA SNVs are analyzed b...

journal_title：Biological chemistry

authors： Poole JC,Procaccio V,Brandon MC,Merrick G,Wallace DC

更新日期：2010-10-01 00:00:00

abstract：:The efficient execution of apoptotic cell death with the clearance of apoptotic debris by phagocytes is a key regulatory mechanism ensuring tissue homeostasis. Failure in this execution program contributes to the pathogenesis of many human diseases. In this review, we describe the current knowledge regarding the inter...

journal_title：Biological chemistry

authors： Weigert A,Jennewein C,Brüne B

更新日期：2009-05-01 00:00:00

abstract：:DHX36 is a member of the DExD/H box helicase family, which comprises a large number of proteins involved in various cellular functions. Recently, the function of DHX36 in the regulation of G-quadruplexes (G4s) was demonstrated. G4s are alternative nucleic acid structures, which influence many cellular pathways on a tr...

journal_title：Biological chemistry

authors： Schult P,Paeschke K

更新日期：2020-10-01 00:00:00

abstract：:We have investigated the methylation status of the repeat unit of the human ribosomal RNA genes in lung cancer. Using a Southern blot analysis approach we have determined that the non-transcribed region of these genes was generally heavily methylated, while the transcribed region was not methylated in either tumor or ...

journal_title：Biological chemistry

authors： Shiraishi M,Sekiguchi A,Chuu YH,Sekiya T

更新日期：1999-01-01 00:00:00