R Santus

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Top papers

Rank Title Journal Year PubWeight™‹?›
1 UVA-induced lipid peroxidation in cultured human fibroblasts. Biochim Biophys Acta 1991 1.03
2 The role of the low density lipoprotein receptor pathway in the delivery of lipophilic photosensitizers in the photodynamic therapy of tumours. J Photochem Photobiol B 1991 0.99
3 Physicochemical properties and stability of anthralin in model systems and human skin. J Invest Dermatol 1983 0.99
4 Endoplasmic reticulum and Golgi apparatus are the preferential sites of Foscan localisation in cultured tumour cells. Br J Cancer 2003 0.98
5 Stratum corneum is an effective barrier to TiO2 and ZnO nanoparticle percutaneous absorption. Skin Pharmacol Physiol 2009 0.96
6 Cellular uptake and photosensitizing properties of anticancer porphyrins in cell membranes and low and high density lipoproteins. J Photochem Photobiol B 1990 0.95
7 Phototoxic effects of fluoranthene, a polycyclic aromatic hydrocarbon, on bacterial species. Environ Mol Mutagen 1987 0.92
8 Lysosomes, a key target of hydrophobic photosensitizers proposed for photochemotherapeutic applications. J Photochem Photobiol B 1993 0.92
9 Ultraviolet A-induced lipid peroxidation and antioxidant defense systems in cultured human skin fibroblasts. J Invest Dermatol 1993 0.92
10 Oxygen dependency of tumor cell killing in vitro by light-activated Photofrin II. Radiat Res 1991 0.89
11 Alteration of the endocytotic pathway by photosensitization with fluoroquinolones. Photochem Photobiol 2000 0.89
12 Structure-activity relationship of macrocyclic and linear gadolinium chelates: investigation of transmetallation effect on the zinc-dependent metallopeptidase angiotensin-converting enzyme. J Magn Reson Imaging 1998 0.89
13 Biphasic effect of UVA radiation on STAT1 activity and tyrosine phosphorylation in cultured human keratinocytes. Free Radic Biol Med 2000 0.89
14 N-formyl-kynurenine, a tryptophan photooxidation product, as a photodynamic sensitizer. Photochem Photobiol 1974 0.88
15 The effect of anthralin (dithranol) on mitochondria. Br J Dermatol 1985 0.88
16 UVB-induced photoperoxidation of lipids of human low and high density lipoproteins. A possible role of tryptophan residues. Photochem Photobiol 1990 0.88
17 Haemodynamic effects of macrocyclic and linear gadolinium chelates in rats: role of calcium and transmetallation. Biometals 1998 0.87
18 Photosensitizing properties of N-formylkynurenine. Photochem Photobiol 1976 0.87
19 Photosensitized inactivation of Plasmodium falciparum- and Babesia divergens-infected erythrocytes in whole blood by lipophilic pheophorbide derivatives. Vox Sang 1997 0.86
20 In vitro interaction of the photoactive anticancer porphyrin derivative photofrin II with low density lipoprotein, and its delivery to cultured human fibroblasts. FEBS Lett 1986 0.86
21 Estrogens inhibit copper and cell-mediated modification of low density lipoprotein. Atherosclerosis 1991 0.85
22 Flavonoids and urate antioxidant interplay in plasma oxidative stress. Mol Cell Biochem 2001 0.85
23 UV-A irradiation induces a decrease in the mitochondrial respiratory activity of human NCTC 2544 keratinocytes. Free Radic Res 2001 0.85
24 Copper- and malondialdehyde-induced modification of high density lipoprotein and parallel loss of lecithin cholesterol acyltransferase activation. Atherosclerosis 1993 0.84
25 Subcellular localization of and photosensitization by protoporphyrin IXhuman keratinocytes and fibroblasts cultivated with 5-aminolevulinic acid. Photochem Photobiol 1995 0.84
26 Kinetics of the endocytotic pathway of Low Density Lipoprotein (LDL) in human endothelial cells line under shear stress: an in vitro confocal microscopy study. Clin Hemorheol Microcirc 2005 0.84
27 Ultraviolet-A induces activation of AP-1 in cultured human keratinocytes. FEBS Lett 1996 0.84
28 Lovastatin enhances the photocytotoxicity of UVA radiation towards cultured N.C.T.C. 2544 human keratinocytes: prevention by cholesterol supplementation and by a cathepsin inhibitor. Biochem J 1995 0.84
29 Excited state properties of alpha-terthienyl and related molecules. Photochem Photobiol 1985 0.83
30 Microspectrofluorometry of fluorescent photoproducts in photosensitized cells. Relationship to cellular quiescence and senescence in culture. Biochim Biophys Acta 1984 0.83
31 Determination of the dioxygen quenching constant for protein and model indole triplets. Biochim Biophys Acta 1988 0.83
32 Malondialdehyde modification and copper-induced autooxidation of high-density lipoprotein decrease cholesterol efflux from human cultured fibroblasts. Biochim Biophys Acta 1992 0.83
33 Contrasting effects of excess ferritin expression on the iron-mediated oxidative stress induced by tert-butyl hydroperoxide or ultraviolet-A in human fibroblasts and keratinocytes. J Photochem Photobiol B 2000 0.82
34 UVA radiation stimulates ceramide production: relationship to oxidative stress and potential role in ERK, JNK, and p38 activation. Biochem Biophys Res Commun 2001 0.82
35 Pyropheophorbide-a methyl ester-mediated photosensitization activates transcription factor NF-kappaB through the interleukin-1 receptor-dependent signaling pathway. J Biol Chem 1999 0.82
36 An in situ study of beta-glucosidase activity in normal and Gaucher fibroblasts with fluorogenic probes. Cell Biochem Funct 1993 0.81
37 Type I and type II photosensitization by the antibacterial drug nalidixic acid. A laser flash photolysis study. Photochem Photobiol 1991 0.81
38 Permeation of lysosomal membranes in the course of photosensitization with methylene blue and hematoporphyrin: study by cellular microspectrofluorometry. Photochem Photobiol 1983 0.81
39 Influence of energy transfer on the photoionization of tryptophan and tyrosine in basic media. Photochem Photobiol 1972 0.81
40 Lysosomes are sites of fluoroquinolone photosensitization in human skin fibroblasts: a microspectrofluorometric approach. Photochem Photobiol 1999 0.81
41 Exposure to long wavelength ultraviolet radiation decreases processing of low density lipoprotein by cultured human fibroblasts. Photochem Photobiol 1993 0.81
42 Imaging of cells by autofluorescence: a new tool in the probing of biopharmaceutical effects at the intracellular level. Biotechnol Appl Biochem 1998 0.81
43 Phototherapeutic, photobiologic, and photosensitizing properties of khellin. J Invest Dermatol 1988 0.80
44 A microspectrofluorometric study of the effect of anthralin, an antipsoriatic drug, on cellular structures and metabolism. Cell Biochem Funct 1986 0.80
45 Glutathione peroxidase and glutathione reductase activities towards glutathione-derived antioxidants. Biochem Biophys Res Commun 1994 0.80
46 Tolyporphin: a natural product from cyanobacteria with potent photosensitizing activity against tumor cells in vitro and in vivo. Cancer Res 1998 0.80
47 Uptake by cells and photosensitizing effectiveness of novel pheophorbide derivatives in vitro. Int J Cancer 1995 0.80
48 Ferrous ion release from ferritin by ultraviolet-A radiations. Photochem Photobiol 1991 0.80
49 Comparison of the tumoral biodistribution of P792, a rapid clearance blood pool agent and Gd-DOTA in a C6 glioma cerebral tumor model in rats. Acad Radiol 2002 0.79
50 Ultraviolet-B-induced inactivation of human OGG1, the repair enzyme for removal of 8-oxoguanine in DNA. Photochem Photobiol 2002 0.79
51 Damage to mitochondria of cultured human skin fibroblasts photosensitized by fluoroquinolones. J Photochem Photobiol B 2000 0.79
52 Photosensitization by porphyrins delivered to L cell fibroblasts by human serum low density lipoproteins. A microspectrofluorometric study. Photochem Photobiol 1987 0.79
53 Lovastatin potentiates the photocytotoxic effect of photofrin II delivered to HT29 human colonic adenocarcinoma cells by low density lipoprotein. Photochem Photobiol 1993 0.79
54 Role of nuclear factor-kappa B in colon cancer cell apoptosis mediated by aminopyropheophorbide photosensitization. Photochem Photobiol 1999 0.79
55 Carbon disulfide modification and impaired catabolism of low density lipoprotein. Atherosclerosis 1989 0.79
56 Ultraviolet A decreases epidermal growth factor (EGF) processing in cultured human fibroblasts and keratinocytes: inhibition of EGF-induced diacylglycerol formation. J Invest Dermatol 1994 0.79
57 Modulation of the renal effects of contrast media by endothelium-derived nitric oxide in the rat. Invest Radiol 1993 0.79
58 Phenothiazines inhibit copper and endothelial cell-induced peroxidation of low density lipoprotein. A comparative study with probucol, butylated hydroxytoluene and vitamin E. Biochem Pharmacol 1990 0.79
59 Photosensitization of membrane components. Biochimie 1986 0.79
60 Synthesis, cellular uptake of, and cell photosensitization by a porphyrin bearing a quinoline group. J Photochem Photobiol B 1990 0.79
61 Calcium antagonists prevent monocyte and endothelial cell-induced modification of low density lipoproteins. Free Radic Res Commun 1991 0.78
62 [Ultraviolet A radiation and the skin. Implications of activated forms of oxygen. Current trends and newest results]. Pathol Biol (Paris) 1992 0.78
63 Inhibition of diphosphatidylglycerol synthesis by u.v. A radiations in N.C.T.C. 2544 human keratinocytes. Biochem J 1994 0.78
64 Pro-oxidant role of superoxide dismutase in ultraviolet-A-induced lipid peroxidation in cultured normal human skin fibroblasts. Eur J Biochem 1998 0.78
65 The effectiveness of short-term versus long-term exposures to Photofrin II in killing light-activated tumor cells. Radiat Res 1991 0.78
66 Early alterations of actin in cultured human keratinocytes and fibroblasts exposed to long-wavelength radiations. Possible involvement in the UVA-induced perturbations of endocytotic processes. Photochem Photobiol 1994 0.78
67 Letter: The oxidation of tryptophan by radical anions. Int J Radiat Biol Relat Stud Phys Chem Med 1975 0.78
68 One-electron photoreduction of bacterial cytochrome P-450 by ultraviolet light. I. Steady-state irradiations. Eur J Biochem 1982 0.78
69 A microspectrofluorometric study of porphyrin-photosensitized single living cells--I. Membrane alterations. Photochem Photobiol 1986 0.78
70 Photosensitization by Photofrin II delivered to WI26VA4 SV40-transformed human fibroblasts by low density lipoproteins: inhibition of lipid synthesis and fatty acid uptake. Photochem Photobiol 1992 0.78
71 Alteration of lipoproteins of suction blister fluid by UV radiation. J Photochem Photobiol B 1996 0.78
72 Modification of epsilon-amino group of lysines, cholesterol oxidation and oxidized lipid-apoprotein cross-link formation by porphyrin-photosensitized oxidation of human low density lipoproteins. Photochem Photobiol 1988 0.77
73 A mechanistic study of the interaction of UVB radiations with human serum lipoproteins. Biochim Biophys Acta 1991 0.77
74 Plasma lipoproteins as mediators of the oxidative stress induced by UV light in human skin: a review of biochemical and biophysical studies on mechanisms of apolipoprotein alteration, lipid peroxidation, and associated skin cell responses. Oxid Med Cell Longev 2013 0.77
75 Solvent polarity and pH effects on the spectroscopic properties of neutral red: application to lysosomal microenvironment probing in living cells. Photochem Photobiol 1996 0.77
76 Polyunsaturated fatty acid enrichment increases ultraviolet A-induced lipid peroxidation in NCTC 2544 human keratinocytes. J Invest Dermatol 1995 0.77
77 Photosensitivity of DNA replication and respiration to haematoporphyrin derivative (photofrin II) in mammalian CV-1 cells. Int J Radiat Biol Relat Stud Phys Chem Med 1987 0.77
78 Inactivation of iron responsive element-binding capacity and aconitase function of iron regulatory protein-1 of skin cells by ultraviolet A. Photochem Photobiol 2000 0.77
79 UV photolysis of catalase revisited: a spectral study of photolytic intermediates. J Photochem Photobiol B 2000 0.77
80 Modified apolipoprotein pattern after irradiation of human high-density lipoproteins by ultraviolet B. Biochim Biophys Acta 1992 0.77
81 2,4-Diamino-6-pteridinecarboxaldehyde and an azobenzene derivative are produced by UV photodegradation of methotrexate. Photochem Photobiol 1986 0.76
82 A pulse-radiolysis study of the reaction of hydrated electrons with N'-formylkynurenine and related compounds: electron-transfer reactions with nucleic acid components. Int J Radiat Biol Relat Stud Phys Chem Med 1977 0.76
83 In vitro interactions of the aromatic retinoids Ro 10-9359 (etretinate) and Ro 10-1670 (acitretin), its main metabolite, with human serum lipoproteins and albumin. Biochim Biophys Acta 1990 0.76
84 Sensitization of skin fibroblasts to UVA by excess iron. Biochim Biophys Acta 1997 0.76
85 Comparison of wide-field/deconvolution and confocal microscopy in bioengineering. Interest of multi-photon microscopy in the study of articular cartilage. Biorheology 2003 0.76
86 Comparative effects of low- and high-osmolar contrast media on the renal function during early degenerative gentamicin-induced nephropathy in rats. Am J Nephrol 1995 0.76
87 Ultraviolet-A-dependent inhibition of cytoplasmic aconitase activity of iron regulatory protein-1 in NCTC 2544 keratinocytes. Photochem Photobiol 1998 0.76
88 Effect of single mutations on the structural dynamics of a DNA repair enzyme, the Escherichia coli formamidopyrimidine-DNA glycosylase--a fluorescence study using tryptophan residues as reporter groups. Eur J Biochem 1998 0.76
89 One-electron photoreduction of bacterial cytochrome P-450 by ultraviolet light. II. A study using laser flash photolysis of the dynamics of the reduction of bacterial cytochrome P-450 in the presence of carbon monoxide. The role of the protein conformation. Eur J Biochem 1982 0.76
90 Photosensitization of Wi26-VA4 transformed human fibroblasts by low density lipoprotein loaded with the anticancer porphyrin mixture photofrin II: evidence for endoplasmic reticulum alteration. Cancer Lett 1989 0.76
91 A study of the photochemical properties of some cinnamate sunscreens by steady state and laser flash photolysis. Photochem Photobiol 1982 0.75
92 Effects of anthralin on mitochondrial bioenergetics. Arch Dermatol Res 1991 0.75
93 Determination of the acrylamide quenching constant for protein and model indole triplets. Photochem Photobiol 1988 0.75
94 On the repair of oxidative damage to apoferritin: a model study with the flavonoids quercetin and rutin in aerated and deaerated solutions. Free Radic Res 2013 0.75
95 The phosphorescent triplet state of some hydroxycoumarins. Photochem Photobiol 1972 0.75
96 Splitting of thymine dimer by hydrated electrons. Photochem Photobiol 1972 0.75
97 [Role of 02- ions in formation of N'-formylkynurenine from tryptophan]. C R Acad Sci Hebd Seances Acad Sci D 1975 0.75
98 Characterization of the indole triplet excited state in proteins utilizing laser flash photolysis. J Biochem Biophys Methods 1988 0.75
99 Binding of 5-methoxypsoralen to human serum low density lipoproteins. Biochem Biophys Res Commun 1984 0.75
100 A maximum of two tryptophan residues in gene-32 protein from phage T4 undergo stacking interactions with single-stranded polynucleotides. Eur J Biochem 1988 0.75
101 Physico-chemical properties and stability of anthralin in interaction with albumin, in suction blister fluid and intact human epidermis. Br J Dermatol 1981 0.75
102 Influence of DNA binding on the formation and reactions of tryptophan and tyrosine radicals in peptides and proteins. Int J Radiat Biol Relat Stud Phys Chem Med 1984 0.75
103 Degradation of crystallins from a psoriatic patient undergoing PUVA therapy. FEBS Lett 1990 0.75
104 8-Methoxypsoralen potentiates the photocytotoxic effect of Photofrin II towards EMT-6 murine tumor cells. Cancer Lett 1998 0.75
105 A laser flash photolysis and pulse radiolysis study of primary photochemical processes of flumequine. Photochem Photobiol 2000 0.75
106 Uptake of the aromatic retinoids Ro 10-9359 (etretinate) and Ro 10-1670 (acitretin), its main metabolite, delivered to cultured human fibroblasts by serum proteins. Lack of evidence for perturbation of LDL catabolism. Biochim Biophys Acta 1990 0.75
107 Photoreactivity of 5-geranoxypsoralen and lack of photoreaction with DNA. Photochem Photobiol 1991 0.75
108 Peroxidation of model lipoprotein solutions sensitized by photoreduction of ferritin by 365 nm radiation. J Photochem Photobiol B 1994 0.75
109 [Electrocorticographic evaluation of the neurologic tolerability of iobitridol (Xenetix), a new non-ionic contrast medium in rabbits]. J Radiol 1995 0.75
110 Environmental effects on the deprotonation of indole derivatives in alkaline ices. J Phys Chem 1971 0.75
111 [The modification of high density lipoproteins by malondialdehyde changes their interaction with J774 macrophages and decreases cholesterol cell efflux]. C R Seances Soc Biol Fil 1990 0.75
112 Photochemistry in human epidermis. A quantitative approach. Photochem Photobiol 1982 0.75
113 Electrocorticographic evaluation of iobitridol, a nonionic contrast medium, during selective cerebral arteriography in rabbits. AJNR Am J Neuroradiol 1995 0.75
114 [Potentiation of the photocytotoxic effect of photofrin II: synergistic action of verapamil and lovastatin]. Bull Acad Natl Med 1994 0.75
115 Ultraviolet-B-induced damage to Escherichia coli Fpg protein. Photochem Photobiol 1999 0.75
116 [Formation of free radicals by photosensitization using coumarin derivatives]. Ann Pharm Fr 1969 0.75
117 Proximity relations between tyrosine and tryptophan residues in fd phage determined by luminescence measurements. Biochim Biophys Acta 1986 0.75
118 Dark interaction and oxygen dependent photobinding between an aromatic tetrapeptide and DNA modified by 5-methoxypsoralen monoadducts. Photochem Photobiol 1986 0.75
119 Evidence from pulse radiolysis and flash photolysis of the environment of tryptophan and tyrosine in the coat protein of fd phage. Biochim Biophys Acta 1986 0.75
120 Superoxide dismutase as an amplifier of the chemical reactivity of porphyrin radical-cations. Photochem Photobiol 1988 0.75
121 Diphenylhexatriene as a fluorescent probe for monitoring low density lipoprotein peroxidation. Free Radic Res 1995 0.75
122 New trends in chemotherapy on human and animal blood parasites. Parasitol Res 1996 0.75
123 Interaction of tetrapyrrolic rings with rhodamine 110 and 123 and with rhodamine 110 derivatives bearing a peptidic side chain. Biochem Biophys Res Commun 1987 0.75
124 Pulse radiolysis and cellular studies of a new class of radiosensitizers: 2-nitrobenzofurans. Int J Radiat Biol Relat Stud Phys Chem Med 1982 0.75
125 [Study by electron paramagnetic resonance and spectrophotometry of absorption of the primary processes in photochemistry of frozen aqueous solutions at 77 degree K of aromatic amino acids and polypeptides]. Photochem Photobiol 1968 0.75
126 Role of complex formation in the photosensitized degradation of DNA induced by N'-formylkynurenine. Photochem Photobiol 1976 0.75
127 [Antitumor photochemotherapy: biochemical bases, therapeutic uses and perspectives]. C R Seances Soc Biol Fil 1992 0.75
128 Photosensitization with alpha-terthienyl: the formation of superoxide ion in aqueous media. J Photochem Photobiol B 1989 0.75
129 Photophysical behaviour of 5-methoxypsoralen in dioxane-water mixtures. Photochem Photobiol 1988 0.75
130 Is rhodamine 123 a photosensitizer? Photochem Photobiol 1990 0.75
131 [Oxidation of the indole ring induced by the auto-oxidation of unsaturated lipids. Application to tryptophan residues of high and low density lipoproteins of human serum]. C R Acad Sci III 1988 0.75
132 [Mechanism of quenching of hematoporphyrin and mono-L-aspartyl chlorine e6 triplet states by metronidazole]. Biofizika 1998 0.75
133 In vitro photostability and photosensitizing properties of bergamot oil. Effects of a cinnamate sunscreen. J Photochem Photobiol B 1990 0.75
134 Sensitivity of tryptophan and related compounds to oxidation induced by lipid autoperoxidation. Application to human serum low- and high-density lipoproteins. Biochim Biophys Acta 1990 0.75
135 A microspectrofluorometric study of porphyrin-photosensitized single living cells--II. Metabolic alterations. Photochem Photobiol 1986 0.75
136 Letter: Thymine dimer splitting by ionizing radiation. Int J Radiat Biol Relat Stud Phys Chem Med 1974 0.75
137 PUVA-induced cell mortality in NCTC 2544 keratinocytes: is it related to the microenvironmental properties of the excited states of psoralens? Photochem Photobiol 1998 0.75
138 Study of lysosomal enzyme release by microspectrofluorometry on single cells. Br J Dermatol 1984 0.75
139 N'-formylkynurenine-photosensitized inactivation of bacteriophage. Int J Radiat Biol Relat Stud Phys Chem Med 1976 0.75
140 Bioregulatory mechanisms at the level of cell organelle interactions: microspectrofluorometric in situ studies. J Biotechnol 1990 0.75
141 Distribution of gadomelitol in a human breast tumor model in mice. MAGMA 2005 0.75
142 Depletion of histidine and tryptophan serum levels in porphyria cutanea tarda and congenital erythropoietic porphyria patients after irradiation with visible light. Photodermatol 1986 0.75
143 Electron transfer from pyridinyl radicals, hydrated electrons, CO2.- and O2.- to bacterial cytochrome P450. Biochem Biophys Res Commun 1979 0.75
144 N-conjugates of 2,5-disubstituted pyrrole and glutathione. Evaluation of their potency as antioxidants against photosensitization of NCTC 2544 keratinocytes by excess endogenous protoporphyrin IX. J Photochem Photobiol B 1997 0.75
145 Amplification of photodynamic effects by the synergistic action of UV-B and tryptophan. Photochem Photobiol 1983 0.75
146 Photosensitization by methotrexate photoproducts. Photochem Photobiol 1983 0.75
147 Verapamil enhances the uptake and the photocytotoxic effect of PII, but not that of tetra(4-sulfonatophenyl)porphine. Biochim Biophys Acta 1998 0.75
148 Diphenylhexatriene (DPH)-labeled lipids as a potential tool for studies on lipid peroxidation in monolayer films. Free Radic Biol Med 1997 0.75
149 The role of metal ions in the radiosensitivity of metalloproteins. Model experiments with bovine carbonic anhydrase. Int J Radiat Biol Relat Stud Phys Chem Med 1975 0.75
150 Oxic and anoxic photodamage triggered at the subcellular level by the synergistic action of haematoporphyrin derivative and nitroimidazoles. Int J Radiat Biol Relat Stud Phys Chem Med 1986 0.75