PubRank

V Zappia

Author PubWeight™ 70.93‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Non-thermal effects of microwaves on proteins: thermophilic enzymes as model system. FEBS Lett 1997 2.00
2 Lysine 2,3-aminomutase. Purification and properties of a pyridoxal phosphate and S-adenosylmethionine-activated enzyme. J Biol Chem 1970 1.76
3 The specificity of S-adenosylmethionine derivatives in methyl transfer reactions. J Biol Chem 1969 1.71
4 Genes modulated by histone acetylation as new effectors of butyrate activity. FEBS Lett 2001 1.44
5 Quantitative analysis of S-adenosylmethionine and S-adenosylhomocysteine in animal tissues. Anal Biochem 1971 1.30
6 Resveratrol arrests the cell division cycle at S/G2 phase transition. Biochem Biophys Res Commun 1998 1.16
7 Escherichia coli S-adenosylhomocysteine/5'-methylthioadenosine nucleosidase. Purification, substrate specificity and mechanism of action. Biochem J 1985 1.08
8 Increased methyl esterification of altered aspartyl residues in erythrocyte membrane proteins in response to oxidative stress. Eur J Biochem 2000 1.07
9 Biocompatibility studies on glass ionomer cements by primary cultures of human osteoblasts. Biomaterials 1996 1.04
10 Substrate specificity of 5'-methylthioadenosine phosphorylase from human prostate. Biochem J 1978 1.03
11 Enzymatic methyl esterification of erythrocyte membrane proteins is impaired in chronic renal failure. Evidence for high levels of the natural inhibitor S-adenosylhomocysteine. J Clin Invest 1993 1.02
12 Purification and characterization of extremely thermophilic and thermostable 5'-methylthioadenosine phosphorylase from the archaeon Sulfolobus solfataricus. Purine nucleoside phosphorylase activity and evidence for intersubunit disulfide bonds. J Biol Chem 1994 0.98
13 Purification and characterization of propylamine transferase from Sulfolobus solfataricus, an extreme thermophilic archaebacterium. Eur J Biochem 1986 0.96
14 Uptake of adenosylmethionine and related sulfur compounds by isolated rat liver. FEBS Lett 1978 0.96
15 High-performance liquid chromatographic separation of natural adenosyl-sulphur compounds. J Chromatogr 1980 0.95
16 The protective effect of the olive oil polyphenol (3,4-dihydroxyphenyl)-ethanol counteracts reactive oxygen metabolite-induced cytotoxicity in Caco-2 cells. J Nutr 1997 0.95
17 Studies on phosphate-activated 5'-methylthioadenosine nucleosidase from human placenta. Int J Biochem 1978 0.94
18 Olive oil hydroxytyrosol protects human erythrocytes against oxidative damages. J Nutr Biochem 1999 0.91
19 Microsomal triglyceride transfer protein (MTP) -493G/T gene polymorphism contributes to fat liver accumulation in HCV genotype 3 infected patients. J Viral Hepat 2008 0.91
20 The biosynthetic pathway of new polyamines in Caldariella acidophila. Biochem J 1978 0.90
21 Biochemical characterization of p16INK4- and p18-containing complexes in human cell lines. J Biol Chem 1996 0.90
22 Pharmacokinetics and metabolism of hydroxytyrosol, a natural antioxidant from olive oil. Drug Metab Dispos 2001 0.90
23 The specificity of S-adenosyl-L-metionine sulfonium stereoisomers in some enzyme systems. Biochim Biophys Acta 1969 0.89
24 Protein damage and methylation-mediated repair in the erythrocyte. Biochem J 1995 0.89
25 Purification and characterization of 5'-deoxy-5'-methylthioadenosine phosphorylase from human placenta. J Biol Chem 1986 0.87
26 Transport mechanism and metabolism of olive oil hydroxytyrosol in Caco-2 cells. FEBS Lett 2000 0.87
27 p27Kip1 accumulation is associated with retinoic-induced neuroblastoma differentiation: evidence of a decreased proteasome-dependent degradation. Oncogene 2000 0.86
28 5'-Methylthioadenosine phosphorylase from Caldariella acidophila. Purification and properties. Eur J Biochem 1979 0.86
29 High-performance liquid chromatographic analysis of 5'-methylthioadenosine in rat tissues. J Chromatogr 1981 0.86
30 Studies on substrate specificity of S-adenosylmethionine: protein-carboxyl methyltransferase from calf brain. Eur J Biochem 1980 0.86
31 Studies on enzyme-substrate interactions of cholinephosphotransferase from rat liver. Biochim Biophys Acta 1985 0.85
32 Mechanism of propylamine-transfer reactions. Kinetic and inhibition studies on spermidine synthase from Escherichia coli. J Biol Chem 1980 0.85
33 Ex vivo expansion of bone marrow stromal cells by platelet-rich plasma: a promising strategy in maxillo-facial surgery. Int J Immunopathol Pharmacol 2006 0.85
34 Polyamine distribution in eukaryotes: occurrence of sym-norm-spermidine and sym-nor-spermine in arthropods. FEBS Lett 1978 0.84
35 5'-Deoxy-5'-methylthioadenosine phosphorylase and p16INK4 deficiency in multiple tumor cell lines. Oncogene 1995 0.84
36 A coupled spectrophotometric enzyme assay for methyltransferases. Anal Biochem 1974 0.83
37 An improved method for determining ammonia formed in enzyme reactions. Enzymologia 1965 0.83
38 High-performance liquid chromatographic analysis of adenosyl-sulfur compounds related to polyamine biosynthesis. Methods Enzymol 1983 0.82
39 New methods for preparation and analysis of S-adenosyl-(5')-3-methylthiopropylamine. Anal Biochem 1977 0.82
40 Biological effects of hydroxytyrosol, a polyphenol from olive oil endowed with antioxidant activity. Adv Exp Med Biol 1999 0.82
41 Pyrrolidine dithiocarbamate induces apoptosis by a cytochrome c-dependent mechanism. Biochem Biophys Res Commun 2000 0.81
42 Down-regulation of protein kinase CKII activity by sodium butyrate. Biochem Biophys Res Commun 1997 0.81
43 Studies on the deamination of L-amino acids in mammalian tissues. Enzymologia 1966 0.81
44 Studies on the activation of lysine-2,3-aminomutase by (-)-S-adenosyl-L-methionine. Biochim Biophys Acta 1972 0.80
45 Studies on the metabolic effects of methylthioformycin. Biochim Biophys Acta 1984 0.80
46 Protective effects of butyric acid in colon cancer. Adv Exp Med Biol 1999 0.80
47 Heterologous expression of 5'-methylthioadenosine phosphorylase from the archaeon Sulfolobus solfataricus: characterization of the recombinant protein and involvement of disulfide bonds in thermophilicity and thermostability. Protein Expr Purif 1999 0.80
48 Physicochemical and immunological studies on mammalian 5'-deoxy-5'-methylthioadenosine phosphorylase. J Biol Chem 1990 0.80
49 S-adenosylmethionine decarboxylase from the thermophilic archaebacterium Sulfolobus solfataricus. Purification, molecular properties and studies on the covalently bound pyruvate. Eur J Biochem 1991 0.80
50 Studies on the metabolism of 5'-isobutylthioadenosine (SIBA): phosphorolytic cleavage by methylthioadenosine phosphorylase. FEBS Lett 1979 0.79
51 Deficiency of 5'-deoxy-5'-methylthioadenosine phosphorylase activity in malignancy. Absence of the protein in human enzyme-deficient cell lines. Biochem J 1992 0.79
52 Cytoskeletal behaviour in spectrin and in band 3 deficient spherocytic red cells: evidence for differentiated splenic conditioning role. Br J Haematol 1996 0.79
53 Purification and characterization of recombinant human 5'-methylthioadenosine phosphorylase: definite identification of coding cDNA. Biochem Biophys Res Commun 1996 0.79
54 Studies on lysine-2,3-aminomutase. Subunit structure and sulfhydryl groups. Biochim Biophys Acta 1970 0.79
55 Metabolic consequences of folate-induced reduction of hyperhomocysteinemia in uremia. J Am Soc Nephrol 1997 0.79
56 Mechanism of erythrocyte accumulation of methylation inhibitor S-adenosylhomocysteine in uremia. Kidney Int 1995 0.79
57 Expression, purification, and characterization of recombinant S-adenosylhomocysteine hydrolase from the thermophilic archaeon Sulfolobus solfataricus. Protein Expr Purif 2000 0.79
58 Membrane protein damage and methylation reactions in chronic renal failure. Kidney Int 1996 0.78
59 Protein methylation in Caldariella acidophila, an extreme thermo-acidophilic archaebacterium. FEBS Lett 1981 0.78
60 Behaviour of human osteoblasts cultured on bioactive glass coatings. Biomaterials 1998 0.78
61 High-performance liquid chromatographic determination of a naturally occurring xylosyl thioether, 9-[5'-deoxy-5'(methylthio)-beta-D-xylofuranosyl]adenine. J Chromatogr 1988 0.78
62 Plasma proteins containing damaged L-isoaspartyl residues are increased in uremia: implications for mechanism. Kidney Int 2001 0.78
63 Biochemical rationale for the use of CDPcholine in traumatic brain injury: pharmacokinetics of the orally administered drug. J Neurol Sci 1991 0.78
64 Studies on human serum 5'-deoxy-5'-methylthioadenosine phosphorylase: molecular properties and clinical perspectives. Adv Exp Med Biol 1988 0.78
65 Mechanism of protein carboxyl methyl transfer reactions: structural requirements of methyl accepting substrates. Adv Exp Med Biol 1988 0.77
66 Quantitative analysis of S-adenosylhomocysteine in liver. Biochim Biophys Acta 1968 0.77
67 Biosynthesis and metabolism of 9-[5'-deoxy-5'-(methylthio)-beta-D-xylofuranosyl]adenine, a novel natural analogue of methylthioadenosine. Biochem J 1989 0.77
68 Increased membrane-protein methylation in hereditary spherocytosis. A marker of cytoskeletal disarray. Eur J Biochem 1995 0.77
69 Biocompatibility studies on biodegradable polyester-based composites of human osteoblasts: a preliminary screening. J Biomed Mater Res 2002 0.77
70 Enzymatic methyl esterification of a deamidated form of mouse epidermal growth factor. Int J Pept Protein Res 1989 0.76
71 Cell division cycle alterations and human tumors. Adv Exp Med Biol 1999 0.76
72 Homocysteine, a new crucial element in the pathogenesis of uremic cardiovascular complications. Miner Electrolyte Metab 1999 0.76
73 Hydroxytyrosol, a natural molecule occurring in olive oil, induces cytochrome c-dependent apoptosis. Biochem Biophys Res Commun 2000 0.76
74 Transport and metabolism of double-labelled CDPcholine in mammalian tissues. Biochem Pharmacol 1985 0.76
75 Hypotheses on the physiological role of enzymatic protein methyl esterification using human erythrocytes as a model system. Adv Exp Med Biol 1991 0.76
76 Transport and metabolism of 5'-methylthioadenosine in human erythrocytes. Biochim Biophys Acta 1983 0.76
77 Effect of retinoic acid on osteocalcin gene expression in human osteoblasts. Biochem Biophys Res Commun 1993 0.76
78 Cloning and sequencing of the gene coding for S-adenosylhomocysteine hydrolase in the thermophilic archaeon Sulfolobus solfataricus. Gene 1996 0.76
79 Myotonic dystrophy: antisense oligonucleotide inhibition of DMPK gene expression in vitro. Biochem Biophys Res Commun 1996 0.76
80 Metabolic consequences of hyperhomocysteinemia in uremia. Am J Kidney Dis 2001 0.76
81 S-adenosylhomocysteine hydrolase from the thermophilic archaeon Sulfolobus solfataricus: purification, physico-chemical and immunological properties. Biochim Biophys Acta 1993 0.75
82 S-adenosylmethionine decarboxylase from human prostate. Activation by putrescine. Biochem J 1972 0.75
83 Chromatographic and radioimmunological methods for the determination of 5'-deoxy-5'-methylthioadenosine in biological fluids. J Chromatogr 1988 0.75
84 [Transport of cytidinediphosphocholine in different biological models. II - Transport of (5 3H, Met 14C) cytidinediphosphocholine in isolated and perfused rat liver]. Boll Soc Ital Biol Sper 1981 0.75
85 Physico-chemical and immunological properties of bovine liver 5'-deoxy-5'-methylthioadenosine phosphorylase. Adv Exp Med Biol 1988 0.75
86 Calcium metabolism and blood pressure in children. J Hum Hypertens 1987 0.75
87 Characterization and biogenesis of 5'-methylthioxylofuranosyl adenine, a new natural analog of 5'-methylthioadenosine. Adv Exp Med Biol 1988 0.75
88 Influence of osmotic stress on protein methylation in resealed erythrocytes. Eur J Biochem 1997 0.75
89 Effect of an oxidative stress on methionine and S-adenosylmethionine metabolism in cultured bovine eye lens. Arch Gerontol Geriatr 2004 0.75
90 An aspartase method by a modified Fürth and Herrmann reaction for fumarate. Enzymologia 1967 0.75
91 Extremely thermophilic and thermostable 5'-methylthioadenosine phosphorylase from the archaeon Sulfolobus solfataricus. Gene cloning and amino acid sequence determination. Eur J Biochem 1996 0.75
92 Enzymatic basis for the calcium-induced decrease of membrane protein methyl esterification in intact erythrocytes. Evidence for an impairment of S-adenosylmethionine synthesis. Eur J Biochem 1986 0.75
93 Ribonucleic acid synthesis and nuclear ribonucleic acid polymerase activity in livers of mice infected with mouse hepatitis virus (MHV-3). Proc Soc Exp Biol Med 1967 0.75
94 [Anorexia in the first year of life. Case contribution]. Pediatr Med Chir 1988 0.75
95 [Transport of cytidinediphosphocholine in different biological models. III. Transport of (5 3H, Met 14C) cytidinediphosphocholine in intact human erythrocytes]. Boll Soc Ital Biol Sper 1982 0.75
96 Studies on the identification and characterization of an aspartase activity in liver of elasmobranch fishes. Comp Biochem Physiol B 1972 0.75
97 Enzymatic methyl esterification of proteins and ageing: the eye lens as a model system for in vivo and in vitro studies. Adv Exp Med Biol 1988 0.75
98 Comparative biochemistry of deamination of L-amino acids in elasmobranch and teleost fish. Comp Biochem Physiol 1965 0.75
99 [Incorporation of S-adenosylmethionine in the isolated and perfused rat liver. Preliminary study]. Boll Soc Ital Biol Sper 1978 0.75
100 Diet treatment of branched chain ketoaciduria studied by proton magnetic resonance spectroscopy. Amino Acids 1996 0.75
101 [Headache in childhood with special reference to migraine. Discussion of a personal case material of 94 subjects]. Pediatr Med Chir 1988 0.75
102 [Action of alpha-methylaspartate in vivo on the incorporation of N 15-NH4+ in urea in rat liver homogenates]. Boll Soc Ital Biol Sper 1964 0.75
103 [Transport of cytidinediphosphocholine in different biological models. I - Synthesis and characterization of (5 3H, Met 14 C) cytidinediphosphocholine]. Boll Soc Ital Biol Sper 1981 0.75
104 [5-methylthioadenosine phosphorylase from C.acidophila. 2. Identification and characterization of reaction products]. Boll Soc Ital Biol Sper 1978 0.75
105 Diagnosis and follow-up of inborn errors of amino acid metabolism: Use of proton magnetic resonance of biological fluids. Amino Acids 1996 0.75
106 [5'-methylthioadenosine phosphorylase from Caldariella acidophila. 1. Purification and partial characterization]. Boll Soc Ital Biol Sper 1978 0.75
107 [5'-methylthioadenosine phosphorylase from the human prostate. 1. Purification and partial characterization]. Boll Soc Ital Biol Sper 1978 0.75
108 Studies on 5'-methylthioadenosine uptake by human erythrocytes. Med Biol 1981 0.75
109 Preparation of derivatives of S-adenosylmethionine, and their specificity in transmethylation. ANL-7535. ANL Rep 1968 0.75
110 The specificity of S-adenosyl-L-methionine sulfonium stereoisomers in some enzyme systems. ANL-7635. ANL Rep 1969 0.75
111 Isolation and characterization of human embryonic osteoblasts. Calcif Tissue Int 1992 0.75
112 Diagnosis and follow-up of cystinuria: use of proton magnetic resonance spectroscopy. Amino Acids 2000 0.75
113 Age-related decline in S-adenosylmethionine and protein methyl esterification levels in bovine lenses. Arch Gerontol Geriatr 1992 0.75
114 Enzyme deficiency and tumor suppressor genes: absence of 5'-deoxy-5'-methylthioadenosine phosphorylase in human tumors. Adv Exp Med Biol 1993 0.75
115 A physico-chemical approach to the study of the binding interaction between S-adenosyl-L-methionine and polyanions: binding constants and nature of the interaction with sodium poly(styrene sulfonate). Biochim Biophys Acta 1989 0.75