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    Wyświetlanie 1-4 z 4
    Tytuł:
    Tridentate hydrazido-hydrazones vanadium complexes. Synthesis, properties and biological activity
    Autorzy:
    Szklarzewicz, Janusz
    Jurowska, Anna
    Hodorowicz, Maciej
    Matoga, Dariusz
    Gryboś, Ryszard
    Filipek, Barbara
    Sapa, Jacek
    Głuch-Lutwin, Monika
    Mordyl, Barbara
    Kazek, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/93144.pdf
    Data publikacji:
    2019
    Wydawca:
    Państwowa Wyższa Szkoła Zawodowa w Tarnowie
    Tematy:
    vanadium
    complex
    Schiff base
    structure
    hydrazide
    biological activity
    wanad
    kompleks
    baza Schiffa
    Struktura
    hydrazyd
    aktywność biologiczna
    Opis:
    Nine new vanadium complexes, with tridentate Schiff base ligand based on 3,5-di-tertbutyl-2-hydroxybenzaldehyde and different hydrazides, are described and characterized. The X-ray crystal structure of complex 8 shows distorted octahedral geometry of vanadium, with ONO ligand in equatorial position. The tridentate Schiff base ligand forms six membered and five-membered chelate rings at the V(V) acceptor center, with the corresponding bite angles being 82.97(9)˚ and 74.48(9)˚. The molecules are gathered by means of intermolecular OH...N hydrogen bond and layered by π...π interactions involving the pyridine and phenolate rings. Such interactions expand the structure along the crystallographic a axis. The complexes were characterized by the elemental analyses, IR, UV-Vis, EPR spectroscopy, cyclic voltammetry, thermogravimetry and magnetic susceptibility measurements. The stabilization role of co-ligands is discussed. The cytotoxicity versus HepG2 hepatocytes and inhibition of human recombinant PTP1B was studied.
    Źródło:
    Science, Technology and Innovation; 2019, 4, 1; 9-20
    2544-9125
    Pojawia się w:
    Science, Technology and Innovation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Association of XRCC6 C1310G and LIG4 T9I polymorphisms of NHEJ DNA repair pathway with risk of colorectal cancer in the Polish population
    Autorzy:
    Balinska, Kinga
    Wilk, Damian
    Filipek, Beata
    Mik, Michal
    Zelga, Piotr
    Skubel, Pawel
    Dziki, Łukasz
    Dziki, Adam
    Mucha, Bartosz
    Kabziński, Jacek
    Majsterek, Ireneusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1391955.pdf
    Data publikacji:
    2019
    Wydawca:
    Index Copernicus International
    Tematy:
    Colorectal Neoplasms/genetics
    DNA-Binding Proteins/genetics
    Genetic Predisposition to Disease/genetics
    Genotype
    Polymorphism
    Single Nucleotide
    Opis:
    Introduction: Colorectal cancer is the second most common cancer worldwide. DNA double strand breaks (DSBs) are the most dangerous lesions which can lead to carcinogenesis. Nonhomologous end joining (NHEJ) is an important pathway, that allows for recovering DNA by direct end joining. The XRCC6 and LIG4 genes encode respectively Ku70 protein and human ATP-dependent DNA ligase, which are the components of the NHEJ repair pathway. The aim of our study was to evaluate the influence of XRCC6 C1310G and LIG4 T9I genes polymorphisms on colorectal cancer risk among Polish population. Materials and method: Genotyping was performed using TaqMan probes based on analysis of PCR products amplified in Real Time PCR. The research has been carried out on the material obtained from 100 patients with colorectal cancer and 100 cancer-free individuals who were age and sex-matched as a control group. The results were developed using the chi – squer test and odds ratio (OR). Results: Odd ratio analysis indicates reduced risk of colorectal cancer for LIG4 T9I polymorphism in heterozygotus model C/T (OR= 0.2717 95% CI= 0.1247-0,5918) and homozygous model T/T (OR= 0.3593 95% CI= 0.1394-0.9266). Similar situation we observed for XRCC6 C1310G gene polymorphism, which indicated on heterozygotus variant C/G (OR= 0.1181 95% CI= 0.0145-0.964) and homozygotus variant G/G (OR= 0.0972 95% CI= 0.0097-0.9713) to decrease the risk of colorectal cancer. Conslusions: Our research revealed XRCC6 C1310G and LIG4 T9I polymorphisms are associated with diminished risk of colorectal cancer. However, to confirm obtained results, a further investigations should be carried out.
    Źródło:
    Polish Journal of Surgery; 2019, 91, 3; 15-20
    0032-373X
    2299-2847
    Pojawia się w:
    Polish Journal of Surgery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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