ISG20, an actor of the innate immune response.

abstract：:The lysosomal aspartic protease cathepsin D (cath-D) is overexpressed and hyper-secreted by epithelial breast cancer cells. This protease is an independent marker of poor prognosis in breast cancer as it is correlated with the incidence of clinical metastasis. In normal cells, cath-D is localized in intracellular vesi...

journal_title：Biochimie

authors： Masson O,Bach AS,Derocq D,Prébois C,Laurent-Matha V,Pattingre S,Liaudet-Coopman E

更新日期：2010-11-01 00:00:00

abstract：:Attempts at isolating individual human milk proteins showed that cross interactions made it difficult to obtain of homogeneous components. A new method was devised, based on complete precipitation of milk proteins with saturated ammonium sulphate and progressive solubilization of the precipitate on a column of Sephade...

journal_title：Biochimie

authors： Brignon G,Ribadeau-Dumas B

更新日期：1982-03-01 00:00:00

abstract：:The gene encoding the enzyme tyrosyl tRNA synthetase from Bacillus stearothermophilus has been systematically altered using synthetic oligonucleotides as mutagens. The construction of mutations has been facilitated by using strains of bacteria defective in mismatch repair and also by utilising a genetic marker in the ...

journal_title：Biochimie

authors： Bedouelle H,Carter P,Waye MM,Winter G,Lowe DM,Wilkinson AJ,Fersht AR

更新日期：1985-07-01 00:00:00

abstract：:In man the brain represents about 2% of the body weight, but contains 25% of the body's cholesterol. Cholesterol itself does not cross the blood-brain barrier and is synthesised in situ. Excess cholesterol from brain is exported in the form of oxysterols, or metabolised to steroids, which in contrast to cholesterol ca...

journal_title：Biochimie

authors： Wang Y,Karu K,Griffiths WJ

更新日期：2007-02-01 00:00:00

abstract：:The toxicity of amyloids is a subject under intense scrutiny. Many studies link this toxicity to the existence of various intermediate structures prior to the fiber formation and/or their specific interaction with membranes. Membranes can also be a catalyst of amyloidogenesis and the composition or the charge of membr...

journal_title：Biochimie

authors： Berthelot K,Cullin C,Lecomte S

更新日期：2013-01-01 00:00:00

abstract：:The thrombin-binding DNA aptamer (TBA) 5'-d(GGTTGGTGTGGTTGG)-3' forms a G-quadruplex that is necessary for binding to the coagulation factor thrombin. The stability of the G-quadruplex of TBA when bound to thrombin and potassium ion (K(+)) were investigated for the wild-type oligonucleotide and for mutants in which th...

journal_title：Biochimie

authors： Nagatoishi S,Isono N,Tsumoto K,Sugimoto N

更新日期：2011-08-01 00:00:00

abstract：:Classic studies suggested that the common mammalian sialic acid N-glycolylneuraminic acid (Neu5Gc) is an oncofetal antigen in humans, being immunogenic in adult humans and yet apparently expressed in human fetuses and tumors. We and others have recently found that the human deficiency of Neu5Gc can be explained by an ...

journal_title：Biochimie

authors： Varki A

更新日期：2001-07-01 00:00:00

abstract：:Sticholysin II (StII) is a pore-forming toxin of biomedical interest that belongs to the actinoporin protein family. Sticholysins are currently under examination as an active immunomodulating component of a vaccinal platform against tumoral cells and as a key element of a nucleic acids delivery system to cell cytosol....

journal_title：Biochimie

authors： Soto C,Bergado G,Blanco R,Griñán T,Rodríguez H,Ros U,Pazos F,Lanio ME,Hernández AM,Álvarez C

更新日期：2018-05-01 00:00:00

abstract：:Apoptosis is the physiological process by which unwanted cells in an organism are killed. Bcl-2, a membrane-bound cytoplasmic protein, and its close relative Bcl-xL, are both effective inhibitors of apoptosis induced by a wide variety of stimuli in many different cell types. In a previous study, we reported that suppr...

journal_title：Biochimie

authors： Cherbonnel-Lasserre C,Dosanjh MK

更新日期：1997-10-01 00:00:00

abstract：:Using a rapid FPLC procedure for the separation of calpain I, calpain II and the inhibitor calpastatin from pork meat, results of proteolytic and inhibitory activity were obtained. Duplicate measurements showed variation coefficients less than 0.13. Compared to others we found lower calpain I activity 1 h post-mortem....

journal_title：Biochimie

authors： Iversen P,Ertbjerg P,Larsen LM,Monllao S,Møller AJ

更新日期：1993-01-01 00:00:00

abstract：:The RecA protein of E coli promotes a strand exchange reaction in vitro which appears to be similar to homologous genetic recombination in vivo. A model for the mechanism of strand transfer reaction by RecA protein has been proposed by Howard-Flanders et al based on the assumption that the RecA monomer has two distinc...

journal_title：Biochimie

authors： Horii T

更新日期：1991-02-01 00:00:00

abstract：:The use of electrospun scaffolds for neural tissue engineering applications allows a closer mimicry of the native tissue extracellular matrix (ECM), important for the transplantation of cells in vivo. Moreover, the role of the electrospun fiber mat topography on neural stem cell (NSC) differentiation remains to be com...

journal_title：Biochimie

authors： Garrudo FFF,Mikael PE,Xia K,Silva JC,Ouyang Y,Chapman CA,Hoffman PR,Yu Y,Han X,Rodrigues CAV,Cabral JMS,Morgado J,Ferreira FC,Linhardt RJ

更新日期：2021-01-07 00:00:00

abstract：:Present knowledge of the different enzymatic steps of the denitrification chains in various bacteria, particularly Paracoccus denitrificans and Pseudomonas aeruginosa has been briefly reviewed. The question whether nitric oxide (NO), nitrous oxide (N2O) and other nitrogen derivatives are obligatory intermediates has b...

journal_title：Biochimie

authors： Henry Y,Bessières P

更新日期：1984-04-01 00:00:00

abstract：:The synthesis of holocytochromes in plastids is a catalyzed process. Several proteins, including plastid CcsA, Ccs1, possibly CcdA and a thioredoxin, plus at least two additional Ccs factors, are required in sub-stoichiometric amounts for the conversion of apocytochromes f and c(6) to their respective holoforms. CcsA,...

journal_title：Biochimie

authors： Nakamoto SS,Hamel P,Merchant S

更新日期：2000-06-01 00:00:00

abstract：:Dyskeratosis congenita is an inherited syndrome characterised by mucocutaneous features, bone marrow failure, an increased risk of malignancy and other somatic abnormalities. There is a considerable range of clinical severity and in its occult form the disease may present as idiopathic aplastic anaemia. Genes responsi...

journal_title：Biochimie

authors： Vulliamy TJ,Dokal I

更新日期：2008-01-01 00:00:00

abstract：:Esterases and lipases both hydrolyse ester bonds. Whereas the lipases display high activity towards the aggregated state of its substrate, the esterases typically show highest activity towards the soluble state of its substrate. We have compared the amino acid sequence, the 3D-structure as well as the pH-dependent ele...

journal_title：Biochimie

authors： Fojan P,Jonson PH,Petersen MT,Petersen SB

更新日期：2000-11-01 00:00:00

abstract：:Rhizopus oryzae lipase (ROL) was found to be a true lipase. This enzyme presents the interfacial activation phenomenon. The N-terminal amino acid sequence of ROL was compared to those of rhizopus lipases. Purified ROL possesses the same N-terminal sequence as the mature Rhizopus niveus lipase (RNL). This sequence was ...

journal_title：Biochimie

authors： Ben Salah A,Sayari A,Verger R,Gargouri Y

更新日期：2001-06-01 00:00:00

abstract：:Inducing brown adipocytes in white adipose tissues is a promising target to combat obesity and its related disorders in human beings. This goal has been especially encouraged by new important discoveries of human brown adipose tissues. The accumulating evidence confirms the presence of active brown adipocytes, not onl...

journal_title：Biochimie

authors： Chu DT,Gawronska-Kozak B

更新日期：2017-07-01 00:00:00

abstract：:Bacillus subtilis strain SO113 secretes a pectate lyase which is produced during the exponential death phase of growth, just before sporulation. This extracellular pectate lyase, which produces unsaturated products from polygalacturonate, was purified 35-fold from the culture supernatant of Bacillus subtilis by a CM S...

journal_title：Biochimie

authors： Nasser W,Chalet F,Robert-Baudouy J

更新日期：1990-09-01 00:00:00

abstract：:Three trends are seen in the organization of ribosomal DNA genes during evolution: 1) gradual separation and separability of the regulation of transcription of 5S and larger subunit rRNAs; 2) retention of a transcription unit containing both large and small rRNAs; and 3) clustering of genes for both 5S and 18S-28S rDN...

journal_title：Biochimie

authors： Srivastava AK,Schlessinger D

更新日期：1991-06-01 00:00:00

abstract：:Directed mutagenesis has been used to study the nicotinamide subsite of the glycolytic NAD-dependent glyceraldehyde-3-phosphate dehydrogenase (GAPDH). Residue Asn313 is involved together with the carboxyamide moiety of the nicotinamide ring in a complex network of hydrogen bonding interactions which fix the position o...

journal_title：Biochimie

authors： Corbier C,Mougin A,Mely Y,Adolph HW,Zeppezauer M,Gerard D,Wonacott A,Branlant G

更新日期：1990-08-01 00:00:00

abstract：:Human immunodeficiency virus (HIV)-infected cells actively release the transcriptional activator (Tat) viral protein that is required for efficient HIV gene transcription. Extracellular Tat is able to enter uninfected cells. We recently reported that internalized Tat escapes endosomes to reach the cytosol and is then ...

journal_title：Biochimie

authors： Beaumelle B,Tóth P,Malak OA,Chopard C,Loussouarn G,Vitale N

更新日期：2017-10-01 00:00:00

abstract：:Long non-coding RNAs constitute the most abundant part of the transcribed mammalian genome. lncRNAs affect all essential processes in the living cell including transcription, splicing, translation, replication, shaping of chromatin and post translational modification of proteins. Alterations in lncRNA expression have ...

journal_title：Biochimie

authors： Smekalova EM,Kotelevtsev YV,Leboeuf D,Shcherbinina EY,Fefilova AS,Zatsepin TS,Koteliansky V

更新日期：2016-12-01 00:00:00

abstract：:The iron absorption by duodenal enterocytes is a key step of its homeostasis. But the control of this absorption is complex and cannot be fully explicated with present knowledge. In a global transcriptome approach, we identified 60 genes over-expressed in hemin (iron) overload in Caco-2 cells, an in vitro model of duo...

journal_title：Biochimie

authors： Aubry M,Monnier A,Chicault C,Galibert MD,Burgun A,Mosser J

更新日期：2008-04-01 00:00:00

abstract：:Here we describe a convenient and robust ligase-independent method for construction of combinatorial and random mutant libraries. The homologous genes flanked by plasmid-derived DNA sequences are fragmented, and the random fragments are reassembled in a self-priming polymerase reaction to obtain chimeric genes. The pr...

journal_title：Biochimie

authors： An Y,Wu W,Lv A

更新日期：2010-08-01 00:00:00

abstract：:The distribution of fatty acids among cellular glycerophospholipids is finely regulated by the CoA-dependent acylation of lysophospholipids followed by transacylation reactions. Arachidonic acid is the fatty acid precursor of a wide family of bioactive compounds called the eicosanoids, with key roles in innate immunit...

journal_title：Biochimie

authors： Balgoma D,Montero O,Balboa MA,Balsinde J

更新日期：2010-06-01 00:00:00

abstract：:The effect of curing agents (salt, nitrate, ascorbic acid and glucose) and processing parameters (pH, water activity and drying and cooking temperatures) on pork muscle cathepsins B, D, H and L as well as leucyl, arginyl and tyrosyl hydrolysing activities is reported. Salt (60 g/l) showed a powerful inhibitory effect,...

journal_title：Biochimie

authors： Toldrá F,Rico E,Flores J

更新日期：1992-03-01 00:00:00

abstract：:A non-toxic, direct-acting fibrinolytic serine protease (Bafibrinase) demonstrating thrombolytic and anticoagulant properties was purified from Bacillus sp. strain AS-S20-I. Bafibrinase was monomeric, with a molecular mass of 32.3 kDa. The peptide mass fingerprinting of Bafibrinase revealed only 8.3% sequence coverage...

journal_title：Biochimie

authors： Mukherjee AK,Rai SK,Thakur R,Chattopadhyay P,Kar SK

更新日期：2012-06-01 00:00:00

abstract：:This review discusses the regulation of a key controlling step in the initiation of protein synthesis, the binding of mRNA to ribosomes. Particular focus is given to the phosphorylation of the cap-binding factor, eIF-4E, and the role of this factor in the regulation of cell growth. ...

journal_title：Biochimie

authors： Sonenberg N

更新日期：1994-01-01 00:00:00

abstract：:Wheat germ lysate was used as a model system for in vitro translation. We show that an increase of the exchange surface between the reaction mixture and the atmosphere enhanced the amount of incorporated cysteine, indicating that early arrest of protein synthesis previously observed in such a system was due to oxygen ...

journal_title：Biochimie

authors： Luciani N,Hess K,Belleville F,Nabet P

更新日期：1995-01-01 00:00:00