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Balazs Veres et al.
The Journal of pharmacology and experimental therapeutics, 310(1), 247-255 (2004-03-05)
Activation of the nuclear enzyme poly(ADP-ribose) polymerase (PARP) is involved in numerous pathophysiological conditions. Because PARP-1 knockout mice are resistant to endotoxin-induced shock and inhibitors of the enzyme were reported to have similar beneficial properties, we investigated the effect of
Francisco Javier Martín-Romero et al.
Journal of neurochemistry, 82(3), 705-715 (2002-08-03)
From 1 to 3 h after the onset of cerebellar granule cells (CGC) apoptosis in a low-K+(5 mm KCl) medium there was a large decay of NADH and a 2.5-fold increase of the rate of reactive oxygen species (ROS) production
Y J Lee et al.
The Journal of biological chemistry, 274(28), 19792-19798 (1999-07-03)
Apoptosis and necrosis are two forms of cell death that are induced under different conditions and that differ in morphological and biochemical features. In this report, we show that, in the presence of oxidative stress, human B lymphoma cells are
Kollur Shiva Prasad et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 81(1), 276-282 (2011-07-12)
Four Schiff base ligands and their corresponding organotin(IV) complexes have been synthesized and characterized by elemental analyses, IR, (1)H NMR, MS and thermal studies. The Schiff bases are obtained by the condensation of 3-amino-2-methyl-4(3H)-quinazolinone with different substituted aldehydes. The elemental
L Li et al.
Biomedical chromatography : BMC, 8(3), 145-147 (1994-05-01)
Determination of 4(3H)-quinazolinone, a newly found antiviral and immunopatentiating constituent was proposed as a method of evaluating the quality of two antiviral Chinese herbal drugs Daqingye (Folium Strobilanthis) and Banlangen(Radix Strobilanthis) and their preparations ('Antipyretic and common cold granules', 'Banlangen
Y J Lee et al.
Free radical biology & medicine, 29(7), 684-692 (2000-10-18)
Oxidants such as H(2)O(2) can induce a low level of apoptosis at low concentrations but at higher concentrations cause necrosis. Higher concentrations of H(2)O(2) also inhibit the induction of apoptosis by chemotherapy drugs. One theory is that, at higher concentrations
Marwa F Ahmed et al.
Archiv der Pharmazie, 348(7), 487-497 (2015-04-30)
Fifteen new derivatives of quinazolin-4-one bearing the 2-furyl moiety at position 2 and a substituted phenyl moiety at position 3 were designed and synthesized to be evaluated as cytotoxic agents. Their chemical structures were confirmed by spectral and elemental analysis;
H Shima et al.
Proceedings of the National Academy of Sciences of the United States of America, 86(19), 7442-7445 (1989-10-01)
In HL-60 cells, a human promyelocytic leukemia cell line, the human c-myc gene, designated MYC, is amplified about 16-fold. On differentiation of the HL-60 cells into granulocytes induced by several inhibitors of poly(ADP-ribose) polymerase [NAD+ poly(adenosine diphosphate D-ribose)ADP-D-ribosyltransferase, EC]
Fawzia M Refaie et al.
Lipids in health and disease, 4, 22-22 (2005-10-06)
In the present study, the effects of subchronic treatments (4 weeks) of hypercholesterolemic (single) and diabetic-hypercholesterolemic (combined) rats with 4 (3H) quinazolinone and 2 halogenated derivatives (6, 8-dibromo-2-methy-4 (3H) quinazolinone and 6-iodo-2-methyl-4(3H) quinazolinone) at a sublethal dose level (2 mg/Kg)
Sheng-li Cao et al.
Yao xue xue bao = Acta pharmaceutica Sinica, 42(7), 741-746 (2007-09-22)
A series of 4(3H)-quinazolinone derivatives bearing dithiocarbamate side chains have been synthesized through the reaction of 6-bromomethyl-2-methyl-4(3H)-quinazolinone with CS2 and various amines in the presence of anhydrous K3PO4, and their structures were confirmed with ESI-MS, H NMR, elemental analysis or
Nadia Q Haj et al.
ACS omega, 5(23), 13948-13954 (2020-06-23)
Recently, chemical modifications of chitosan (CS) have attracted the attention of scientific researchers due to its wide range of applications. In this research, chitin (CH) was extracted from the scales of Cyprinus carpio fish and converted to CS by three
Liwei He et al.
International immunopharmacology, 52, 245-252 (2017-09-29)
The root of Isatis indigotica, also known as Ban-Lan-Gen (BLG), is commonly used for prevention and early treatment of respiratory virus infection, but the underlying mechanisms of action remain unclear. In the early stage of infection, the innate immune system
Sheng-Li Cao et al.
Bioorganic & medicinal chemistry letters, 15(7), 1915-1917 (2005-03-23)
A series of 4(3H)-quinazolinone derivatives with dithiocarbamate side chains were synthesized and tested for their in vitro antitumor activity against human myelogenous leukemia K562 cells. Among them, (3,4-dihydro-2-methyl-4-oxoquinazolin-6-yl)methyl 4-(4-fluorophenyl)piperazine-1-carbodithioate 8q exhibited significant inhibitory activity against K562 cells with IC(50) value
Hao Wu et al.
Journal of combinatorial chemistry, 12(3), 346-355 (2010-03-04)
Three diversity points of 4(3H)-quinazolinone are introduced at the 3-, 6-, and 7-positions with an efficient parallel solution-phase synthetic method. A one-pot synthesis was developed that gave the key intermediate in high yield. Five hit compounds exhibit preferable activities against
Haoxiang Xu et al.
Experimental cell research, 384(1), 111547-111547 (2019-09-01)
Traumatic brain injury (TBI) is common and often fatal in current times. The role of poly(adenosine diphosphate-ribose) polymerase (PARP)-induced cell death (parthanatos) in TBI has not been well studied. Our past study showed that oxidative stress-induced cell death includes parthanatos
R Halmosi et al.
Molecular pharmacology, 59(6), 1497-1505 (2001-05-17)
Ischemia-reperfusion induces reactive oxygen species (ROS) formation, and ROS lead to cardiac dysfunction, in part, via the activation of the nuclear poly(ADP-ribose) polymerase (PARP, called also PARS and ADP-RT). ROS and peroxynitrite induce single-strand DNA break formation and PARP activation
Krisztina Kovacs et al.
Biochemical pharmacology, 71(4), 441-452 (2005-12-13)
Poly(ADP-ribose) polymerase (PARP) inhibitors protect hearts from ischemia-reperfusion (IR)-induced damages by limiting nicotinamide adenine dinucleotide (NAD+) and ATP depletion, and by other, not yet elucidated mechanisms. Our preliminary data suggested that PARP catalyzed ADP-ribosylations may affect signaling pathways in cardiomyocytes.
Y Onishi et al.
Biochimica et biophysica acta, 1175(2), 147-154 (1993-01-17)
The effects of the inhibitors of topoisomerase I and II, camptothecin and etoposide, as well as novobiocin and adriamycin, on the DNA fragmentation and viability of mouse thymocytes in primary culture were examined. All inhibitors were shown to produce dose-dependent
V Krishnakumar et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 66(4-5), 1082-1090 (2006-07-28)
The solid phase FT-IR and FT-Raman spectra of 4-hydroxy quinazoline and 2-hydroxy benzimidazole have been recorded in the regions 4000-400 and 3500-100 cm-1, respectively. Theoretical information on the optimised geometry, harmonic vibrational frequencies, infrared and Raman intensities were obtained by
L Li et al.
Yao xue xue bao = Acta pharmaceutica Sinica, 28(3), 238-240 (1993-01-01)
Seven compounds have been isolated from the whole plant of Strobilanthes cusia (Nees) O. Ktze. Three of them are triterpenes (I-III), two are indole alkaloids (IV, V), two are quinazolinone alkaloids (VI, VII). On the basis of spectral analysis and
Majid M Heravi et al.
Ultrasonics sonochemistry, 16(6), 708-710 (2009-04-14)
A new synthesis of 4(3H)-quinazolinone from the reaction of 2-amino-benzamide, and acylchlorides in the presence of catalytic amounts of silica-supported Preyssler nano particles as green, reusable and efficient catalyst under ultra sonic irradiation is reported.
Shiying Liu et al.
Bioorganic & medicinal chemistry, 14(5), 1425-1430 (2005-11-03)
Thymidylate synthase (TS) is a critical enzyme for DNA biosynthesis and many nonclassical lipophilic antifolates targeting this enzyme are quite efficient and encouraging as antitumor drug. In this paper, the binding model of 14 antifolates of 4(3H)-quinazolinone derivatives with dithiocarbamate
Shankar Sengottuvelan et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1121, 18-27 (2019-05-15)
Thiazolidinediones and quinazolin-4-ones compounds, previously known for their activity against Type 2 diabetes and antifungal activity respectively, are currently being investigated for their anti-cancer activity. The determination of pharmacokinetic parameters for these two classes of compounds using a simultaneous chromatographic
D J Grainger et al.
The Biochemical journal, 283 ( Pt 2), 403-408 (1992-04-15)
Hexamethylenebisacetamide (HMBA) selectively and reversibly inhibited proliferation of human and rat vascular smooth-muscle cells (VSMCs) compared with endothelial cells, fibroblasts or lymphocytes. Half-maximal inhibition of VSMC proliferation occurred at 2-5 mM-HMBA, and at 30- greater than 50 mM for other
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