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Wyświetlanie 1-7 z 7
Tytuł:
Fragments of LINE-1 retrotransposons flanked by inverted telomeric repeats are present in the bovine genome. Homology with human LINE-1 elements
Autorzy:
Płucienniczak, Grażyna
Płucienniczak, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1044443.pdf
Data publikacji:
1999
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
L1MC4
LINE-1
retrotransposons
telomeric repeats
Opis:
In the bovine genome we found two intrachromosomal DNA fragments flanked by inverted telomeric repeats (GenBank Accession Nos. AF136741 and AF136742). The internal parts of the fragments are homologous exclusively to the human sequences and to the consensus sequence of the L1MC4 subfamily of LINE-1 retrotransposons which are widespread among mammalian genomes. We found that distribution of homologous human sequences within our fragments is not random, reflecting a complicated pattern of insertion mechanisms of and maintenance of retrotransposons in mammalian genomes. One of the possible explanations of the origin of LINE-1 truncated elements flanked by inverted telomeric repeats in the bovine genome is that extrachromosomal DNA fragments may be modified by telomerase and subsequently, transferred into chromosomal DNA.
Źródło:
Acta Biochimica Polonica; 1999, 46, 4; 873-878
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A universal flu vaccine
Autorzy:
Kesik-Brodacka, Malgorzata
Plucienniczak, Grazyna
Powiązania:
https://bibliotekanauki.pl/articles/1039259.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
universal vaccine
flu vaccine
influenza virus
Opis:
Influenza is a global health concern. The single most effective way of protecting people against influenza infection and disease is vaccination. However, currently available vaccines against influenza induce only strain-specific immunity, and do not elicit long-lasting serum antibody titers. Therefore, they are ineffective in the case of possible pandemics. There is an urgent need for a new generation vaccine which would induce broad and long-lasting immune protection against antigenically distinct flu viruses. The paper presents recent achievements and the challenges in the field of universal vaccine construction.
Źródło:
Acta Biochimica Polonica; 2014, 61, 3; 523-530
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
High sequence homology between protein tyrosine acid phosphatase from boar seminal vesicles and human prostatic acid phosphatase
Autorzy:
Wysocki, Paweł
Płucienniczak, Grażyna
Strzeżek, Jerzy
Powiązania:
https://bibliotekanauki.pl/articles/1040544.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
phosphorylation
boar
protein tyrosine phosphatase
seminal plasma
prostatic acid phosphatase
Opis:
Boar seminal vesicle protein tyrosine acid phosphatase (PTAP) and human prostatic acid phosphatase (PAP) show high affinity for protein phosphotyrosine residues. The physico-chemical and kinetic properties of the boar and human enzymes are different. The main objective of this study was to establish the nucleotide sequence of cDNA encoding boar PTAP and compare it with that of human PAP cDNA. Also, the amino-acid sequence of boar PTAP was compared with the sequence of human PAP. PTAP was isolated from boar seminal vesicle fluid and sequenced. cDNA to boar seminal vesicle RNA was synthesized, amplified by PCR, cloned in E. coli and sequenced. The obtained N-terminal amino-acid sequence of boar PTAP showed 92% identity with the N-terminal amino-acid sequence of human PAP. The determined sequence of a 354 bp nucleotide fragment (GenBank accession number: GQ184596) showed 90% identity with the corresponding sequence of human PAP. On the basis of this sequence a 118 amino acid fragment of boar PTAP was predicted. This fragment showed 89% identity with the corresponding fragment of human PAP and had a similar hydropathy profile. The compared sequences differ in terms of their isoelectric points and amino-acid composition. This may explain the differences in substrate specificity and inhibitor resistance of boar PTAP and human PAP.
Źródło:
Acta Biochimica Polonica; 2009, 56, 3; 481-486
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The factor VIII protein and its function
Autorzy:
Mazurkiewicz-Pisarek, Anna
Płucienniczak, Grażyna
Ciach, Tomasz
Płucienniczak, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1038835.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
Factor VIII (FVIII)
molecular structure
function
hemophilia A
bleeding disorders
Opis:
Factor VIII (FVIII), an essential blood coagulation protein, is a key component of the fluid phase blood coagulation system. Human factor VIII is a single chain of about 300 kDa consisting of domains described as A1-A2-B-A3-C1-C2. The protein undergoes processing prior to secretion into blood resulting in a heavy chain of 200 kDa (A1-A2-B) and a light chain of 80 kDa (A3-C1-C2) linked by metal ions. The role of factor VIII is to increase the catalytic efficiency of factor IXa in the activation of factor X. Variants of these factors lead frequently also to severe bleeding disorders.
Źródło:
Acta Biochimica Polonica; 2016, 63, 1; 11-16
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
In vitro phosphorylation of ex-preprotachykinin by protein kinase C
Autorzy:
Hrabec, Elżbieta
Hrabec, Zbigniew
Lachowicz, Lilla
Greger, Janusz
Płucienniczak, Grażyna
Płucienniczak, Andrzej
Powiązania:
https://bibliotekanauki.pl/articles/1045392.pdf
Data publikacji:
1994
Wydawca:
Polskie Towarzystwo Biochemiczne
Źródło:
Acta Biochimica Polonica; 1994, 41, 2; 194-195
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Expression of avian influenza haemagglutinin (H5) and chicken interleukin 2 (chIL-2) under control of the ptcB promoter in Lactococcus lactis
Autorzy:
Szatraj, Katarzyna
Szczepankowska, Agnieszka
Sączyńska, Violetta
Florys, Katarzyna
Gromadzka, Beata
Łepek, Krzysztof
Płucienniczak, Grażyna
Szewczyk, Bogusław
Zagórski-Ostoja, Włodzimierz
Bardowski, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/1039270.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
Lactococcus lactis
ptcB promoter
heterologous gene expression
avian influenza H5N1
H5 haemagglutinin
chicken interleukin-2
Opis:
Gram-positive and nonpathogenic lactic acid bacteria (LAB) are considered to be promising candidates for the development of new, safe systems of heterologous protein expression. Recombinant LAB has been shown to induce specific local and systemic immune response against selected pathogens, and could be a good alternative to classical attenuated carriers. The main goal of our study was to express the avian influenza haemagglutinin (H5) and chicken interleukin 2 (chIL-2) in Lactococcus lactis. Results of this study were anticipated to lead to construction of lactococcal strain(s) with potential vaccine properties against the avian influenza A (H5N1) virus. Expression of the cloned H5 gene, its His-tagged variant and chIL-2 gene, under the control of the ptcB gene promoter was attested by RT-PCR on transcriptional level and Western or dot blot analysis on translational level, demonstrating that system can be an attractive solution for production of heterologous proteins. The results of the preliminary animal trial conducted in mice are a promising step toward development of a vaccine against avian bird flu using Lactococcus lactis cells as antigen carriers.
Źródło:
Acta Biochimica Polonica; 2014, 61, 3; 609-614
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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