H. Hilz

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ADP-ribosylation of nuclear proteins.

P. Adamietz, R. Bredehorst, H. Hilz, 1978, Advances in enzyme regulation.

Mono(ADP-Ribosyl) Histone H1 in Alkylated Hepatoma Cells: Unusual Acceptor Site

H. Hilz, A. Kreimeyer, 1985 .

ADP-Ribosylation of Proteins in Normal and Neoplastic Tissues

P. Adamietz, R. Bredehorst, H. Hilz, 1983 .

Mono ADP-ribosylation and Poly ADP-ribosylation of Proteins

P. Adamietz, R. Bredehorst, H. Hilz, 1981 .

Stoichiometry of cAMP binding and limited proteolysis of protein kinase regulatory subunits R I and R II.

W. Weber, H. Hilz, Wolfgang Weber, 1979, Biochemical and biophysical research communications.

Molecular Heterogeneity of Free PSA in Sera of Patients with Benign and Malignant Prostate Tumors

H. Huland, J. Noldus, P. Hammerer, 1999, European Urology.

Rapid and reversible translocation of the catalytic subunit of cAMP‐dependent protein kinase type II from the Golgi complex to the nucleus.

E. Nigg, H. Eppenberger, F. Dutly, 1985, The EMBO journal.

Cellular recovery of dividing and confluent C3H10T1/2 cells from N-methyl-N'-nitro-N-nitrosoguanidine in the presence of ADP-ribosylation inhibitors.

E. Jacobson, M. Jacobson, H. Hilz, 1985, Carcinogenesis.

DNA fragmentation and NAD depletion. Their relation to the turnover of endogenous mono(ADP-ribosyl) and poly(ADP-ribosyl) proteins.

R. Bredehorst, H. Hilz, K. Wielckens, 1982, The Journal of biological chemistry.

DNA repair-associated ADP-ribosylation in vivo. Modification of histone H1 differs from that of the principal acceptor proteins.

P. Adamietz, H. Hilz, K. Wielckens, 1984, The Journal of biological chemistry.

Poly(ADP-ribose) and ADP-ribosylation of proteins.

H. Hilz, P. Stone, 1976, Reviews of physiology, biochemistry and pharmacology.

Specific inhibition of poly adpribose polymerase by thymidine and nicotinamide in HeLa cells

J. Preiss, H. Hilz, R. Schlaeger, 1971, FEBS letters.

A novel covalent modification of nitrogenase in a cyanobacterium

J. Gallon, D. M. Pederson, Jiujun Cheng, 2000, FEBS letters.

Immunoquantitation and size determination of intrinsic poly(ADP-ribose) polymerase from acid precipitates. An analysis of the in vivo status in mammalian species and in lower eukaryotes.

A. Ludwig, B. Behnke, H. Hilz, 1988, The Journal of biological chemistry.

Separate pyrimidine-nucleotide pools for messenger-RNA and ribosomal-RNA synthesis in HeLa S3 cells.

G. Kramer, H. Hilz, U. Wiegers, 1976, European journal of biochemistry.

Purification of a novel G-protein alpha 0-subtype from mammalian brain.

B. Nürnberg, R. Frank, H. Hilz, 1994, The Biochemical journal.

3-Aminobenzamide inhibits cytotoxicity and adhesion of phorbol-ester-stimulated granulocytes to fibroblast monolayer cultures.

T. Meyer, H. Hilz, W. Fanick, 1991, European journal of biochemistry.

Mono ADP-ribosylation and poly ADP-ribosylation of proteins in normal and malignant tissues.

P. Adamietz, R. Bredehorst, H. Hilz, 1982, Advances in enzyme regulation.

ADP‐Ribosylated Histone H1 from HeLa Cultures

P. Adamietz, R. Bredehorst, H. Hilz, 1978 .

Poly(adenosine diphosphate ribose) is covalently linked to nuclear proteins by two types of bonds.

P. Adamietz, H. Hilz, 1976, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

Covalent Linkage of Poly(Adenosine Diphosphate Ribose) to Nuclear Proteins of Rat Liver by Two Types of Bonds

P. Adamietz, H. Hilz, 1975 .

Posttranslational modification of nitrogenase. Differences between the purple bacterium Rhodospirillum rubrum and the cyanobacterium Anabaena variabilis.

J. Durner, I. Böhm, P. Böger, 1994, European journal of biochemistry.

N6‐Monobutyryladenosine 3′ : 5′‐Monophosphate as the Biologically Active Derivative of Dibutyryladenosine 3′ : 5′‐Monophosphate in HeLa S3 Cells

H. Hilz, E. Kaukel, K. Mundhenk, 1972 .

N 6 -monobutyryladenosine 3':5'-mono phosphate as the biologically active derivative of dibutyryladenosine 3':5'-monophosphate in HeLa S3 cells.

H. Hilz, E. Kaukel, K. Mundhenk, 1972, European journal of biochemistry.

Determination by radioimmunoassay of the sum of oxidized and reduced forms of NAD and NADP in picomole quantities from the same acid extract.

R. Bredehorst, H. Hilz, H. Lengyel, 1979, European journal of biochemistry.

Isolation of the myc transcription factor nucleoside diphosphate kinase and the multifunctional enzyme glyceraldehyde-3-phosphate dehydrogenase by cAMP affinity chromatography.

W. Weber, F. Buck, H. Hilz, 1995, The international journal of biochemistry & cell biology.

Alkylation-induced mono(ADP-ribosyl)-histones H1 and H2B. Hydroxylamine-resistant linkage in hepatoma cells.

P. Adamietz, H. Hilz, A. Kreimeyer, 1985, Biological chemistry Hoppe-Seyler.

Positive and negative adaptation of muscle enzymes in aging mice subjected to physical exercise

E. Steinhagen-Thiessen, A. Reznick, H. Hilz, 1981, Mechanisms of Ageing and Development.

Negative adaptation to physical training in senile mice

E. Steinhagen-Thiessen, H. Hilz, Abraham Reznik, 1980, Mechanisms of Ageing and Development.

ADP-ribosylation of nuclear proteins in normal lymphocytes and in low-grade malignant non-Hodgkin lymphoma cells.

M. Garbrecht, H. Hilz, K. Wielckens, 1980, European journal of biochemistry.

ADP-ribose. A historical overview.

H. Hilz, 1997, Advances in experimental medicine and biology.

Prostate specific antigen: one out of five disulfide bridges determines inactivation by reduction.

A. Meyer, W. Weber, F. Buck, 2009, Biochemical and Biophysical Research Communications - BBRC.

Rapid isolation of mouse Leydig cells by centrifugation in Percoll density gradients with complete retention of morphological and biochemical integrity.

A. Holstein, M. Schumacher, H. Hilz, 1978, FEBS letters.

The expression of poly(ADP-ribose) polymerase during differentiation-linked DNA replication reveals that it is a component of the multiprotein DNA replication complex.

C. Simbulan-Rosenthal, D. Rosenthal, M. Smulson, 1996, Biochemistry.

Quantification of protein-bound ADP-ribosyl and (ADP-ribosyl)n residues.

R. Bredehorst, H. Hilz, K. Wielckens, 1984, Methods in enzymology.

Protein-bound polymeric and monomeric ADP-ribose residues in hepatic tissues. Comparative analyses using a new procedure for the quantification of poly(ADP-ribose).

P. Adamietz, R. Bredehorst, H. Hilz, 2005, European journal of biochemistry.

Production of anti-(ADP-ribose) antibodies with the aid of a dinucleotide-pyrophosphatase-resistant hapten and their application for the detection of mono(ADP-ribosyl)ated polypeptides.

T. Meyer, T. Meyer, H. Hilz, 1986, European journal of biochemistry.

Quantitation of coronary venous adenosine in patients: limitations evaluated by radioimmunoassay.

C. Hamm, W. Bleifeld, W. Kupper, 1988, Cardiovascular research.

Mono(ADP-ribosyl)ation and poly(ADP-ribosyl)ation of proteins in developing liver and in hepatomas: relation of conjugate subfractions to metabolic competence and proliferation rates.

E. Steinhagen-Thiessen, P. Adamietz, R. Bredehorst, 1981, European journal of biochemistry.

Rapid determination of chain length pattern in poly (ADP-ribose) samples.

P. Adamietz, R. Bredehorst, H. Hilz, 1978, Biochemical and biophysical research communications.

Nuclear poly (ADPR) and mono (ADPR) residues in tissues with different growth rates

P. Adamietz, R. Bredehorst, H. Hilz, 1974, FEBS letters.

Two different types of bonds linking single ADP-ribose residues covalently to proteins. Quantification in eukaryotic cells.

R. Bredehorst, H. Hilz, K. Wielckens, 1978, European journal of biochemistry.

Quantification without purification of blood and tissue adenosine by radioimmunoassay.

R. Bredehorst, H. Hilz, K. Wielckens, 1983, Analytical biochemistry.

Determination of 5-AMP in the presence of excess 3'(2')-AMP with the aid of antibodies raised against n6-carboxymethyl-5'-AMP conjugates. Use for the quantitation of pyridine nucleotides and of protein-bound ADP-ribose.

R. Bredehorst, H. Hilz, M. Schlüter, 1981, Biochimica et biophysica acta.

Production of antibodies against ADP-ribose and 5'-AMP with the aid of N6-carboxymethylated ADP-ribose conjugates.

R. Bredehorst, H. Hilz, A. Ferro, 1978, European journal of biochemistry.

Chapter 18 – Quantitation of Mono(ADP-ribosyl) and Poly(ADP-ribosyl) Proteins

R. Bredehorst, H. Hilz, K. Wielckens, 1982 .

The age-dependent decrease in creatine kinase and aldolase activities in human striated muscle is not caused by an accumulation of faulty proteins

E. Steinhagen-Thiessen, H. Hilz, 1976, Mechanisms of Ageing and Development.

THE ENZYMATIC ACTIVATION OF SULFATE.

F. Lipmann, H. Hilz, 1955, Proceedings of the National Academy of Sciences of the United States of America.

Rapid isolation of undegraded polysomal RNA without phenol

H. Hilz, U. Wiegers, 1972, FEBS letters.

A new method using 'proteinase K' to prevent mRNA degradation during isolation from HeLa cells.

H. Hilz, U. Wiegers, 1971, Biochemical and biophysical research communications.

Permeation of dibutyryl cAMP into HeLa cells and its convesion to monobutyryl cAMP.

H. Hilz, E. Kaukel, 1972, Biochemical and biophysical research communications.

Stimulation of proteinase K action by denaturing agents: application to the isolation of nucleic acids and the degradation of 'masked' proteins.

P. Adamietz, H. Hilz, U. Wiegers, 1975, European journal of biochemistry.

Glucose polymerisation and cortisol.

W. Tarnowski, Peter Arend, H. Hilz, 1963, Biochemical and biophysical research communications.

Mono(ADP-Ribosyl)ation and Phospho(ADP-Ribosylation)Reactions in Eukaryotic Cells

P. Adamietz, M. Jacobson, R. Koch, 1985 .

Nicotinamide and nicotinamide analogues as antitumor promoters in mouse skin.

M. Dietel, K. Müller, A. Ludwig, 1990, Cancer research.

De novo synthesis of alkaline ribonuclease in tumor cells induced by the aklylating agent Trenimon.

H. Hilz, R. Schlaeger, 1969, Hoppe-Seyler´s Zeitschrift für physiologische Chemie.

Maximal steroidogenic capacity of mouse leydig cells

M. Schumacher, M Schumacher, G Schäfer, 1979, FEBS letters.

Isoenzymes of cAMP-dependent protein kinase in developing rat liver and in malignant hepatic tissues.

W. Weber, H. Hilz, F. Wittmaack, 2005, European journal of biochemistry.

Protein-bound adenosine 3':5'-monophosphate in liver of glucagon-treated rats. Determination of half-maximal binding in vivo and correlation with protein kinase activation.

H. Hilz, G. Schwoch, 1977, European journal of biochemistry.

cAMP-dependent protein kinases I and II: divergent turnover of subunits.

W. Weber, H. Hilz, 1986, Biochemistry.

mRNA turnover studies applying labeled uridine require an evaluation of specific radioactivities of UTP and RNA-U.

G. Kramer, H. Hilz, U. Wiegers, 1973, Biochemical and biophysical research communications.

Polyribosomes in tumor cells during induction of ribonuclease by cytostatic treatment.

H. Hilz, R. Schlaeger, D. Hoffmann, 1969, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

Divergent action of cAMP and dibutyryl cAMP on macromolecular synthesis in HeLa S3 cultures.

U. Fuhrmann, H. Hilz, E. Kaukel, 1972, Biochemical and biophysical research communications.

Determination of mRNA half-life in HeLa cultures by a poly(A)-independent direct analysis of specific radioactivity of mRNA.

G. Kramer, W. Rehpenning, H. Hilz, 1975, European journal of biochemistry.

cAMP receptor proteins and protein kinases in human lymphocytes: fundamental alterations in chronic lymphocytic leukemia cells.

W. Weber, H. Hilz, K. Wielckens, 1981, European journal of biochemistry.

Differentiation of 3T3-L1 pre-adipocytes induced by inhibitors of poly(ADP-ribose) polymerase and by related noninhibitory acids.

O. Janssen, H. Hilz, 1989, European journal of biochemistry.

Quantitation of hydroxylamine sensitive mono(adenosine diphosphate ribose) residues in different hepatic tissues

H. Hilz, P. Stone, H. Lengyel, 1975, FEBS letters.

Determination of specific radioactivity of UTP in HeLa cells by an enzymatic method and its alteration under various growth conditions.

G. Kramer, H. Hilz, K. Klapproth, 1972, Biochimica et biophysica acta.

Effects of x-ray irradiation in ascites tumor cells: partial restoration of DPN content and DNA synthesis by nicotinamide.

H. Hilz, M. Scholz, M. Oldekop, 1961, Biochemical and biophysical research communications.

Fritz Lipmann at 80

H. Hilz, D. Richter, 1979 .

Divergent action mechanism of cAMP and dibutyryl cAMP on cell proliferation and macromolecular synthesis in HeLa S3 cultures

H. Hilz, E. Kaukel, 1973, Molecular and Cellular Biochemistry.

An Enzymatic Activity in the Yeast Sir2 Protein that Is Essential for Gene Silencing

D. Moazed, J. Tanny, Julie Huang, 1999, Cell.

Adenosine‐3′: 5′‐Monophosphate‐Binding Proteins from Bovine Kidney

W. Weber, H. Hilz, 1978 .

Cyclic-AMP-dependent protein kinase type II is associated with the Golgi complex and with centrosomes

E. Nigg, H. Eppenberger, H. Hilz, 1985, Cell.

Extracellular NAD as a cytostatic agent.

H. Hilz, S. Nolde, 1972, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

Opposite effects of cyclic AMP and its dibutyryl derivative on glycogen levels in HeLa cells.

W. Tarnowski, H. Hilz, 1970, Biochemical and biophysical research communications.

Stimulation of poly(ADP-ribosyl)ation during Ehrlich ascites tumor cell "starvation" and suppression of concomitant DNA fragmentation by benzamide.

H. Hilz, K. Wielckens, E. George, 1983, The Journal of biological chemistry.

Synchronized Yeast Cells

H. Hilz, H. Eckstein, V. Paduch, 1967 .

Tumor promotion and depletion of protein kinase C in epidermal JB6 cells.

M. Harbers, K. Müller, P. Borowski, 1989, Biochemical and biophysical research communications.

Changes in vessel wall enzyme activity in atherosclerosis.

H. Hilz, 1962, Journal of atherosclerosis research.

Enhancement of N-methyl-N'-nitro-N-nitrosoguanidine-induced DNA amplification in a Simian virus 40-transformed Chinese hamster cell line by 3-aminobenzamide.

T. Meyer, A. Bürkle, H. zur Hausen, 1987, Cancer research.

Rapid determination of the specific radioactivities of RNA precursor pools (UTP and ATP) by an enzymic method

H. Hilz, U. Wiegers, K. Klapproth, 1974, FEBS letters.

Selective determination of mRNA specific radioactivity in HeLa cells without the use of inhibitors.

G. Kramer, H. Hilz, U. Wiegers, 1973, Biochemical and biophysical research communications.

Simultaneous determination of mRNA, 18S and 28S RNA specific radioactivities in HeLa cells.

G. Kramer, H. Hilz, U. Wiegers, 1973, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

[Changes in cell density and polysaccharide metabolism in the aging connective tissue].

D. Glaubitt, H. Hilz, C. Erich, 1963, Klinische Wochenschrift.

Isolation and partial characterization of the ADP-ribosylated nuclear proteins from Ehrlich ascites tumor cells.

P. Adamietz, H. Hilz, K. Klapproth, 1979, Biochemical and biophysical research communications.

Subcellular distribution of mono(ADP-ribose) protein conjugates in rat liver.

P. Adamietz, R. Bredehorst, H. Hilz, 1981, Biochemical and biophysical research communications.

NAD[S], an NAD analogue with reduced susceptibility to phosphodiesterase. Chemical synthesis and enzymic properties.

T. Meyer, J. Thiem, H. Hilz, 1984, European journal of biochemistry.

Purification and characterization of (ADP-ribosyl)n proteins.

P. Adamietz, H. Hilz, 1984, Methods in Enzymology.

[Protein-bound mono (adenosine-diphosphate-ribose) levels during the cell cycle of the slime mold Physarum polycephalum].

W. Sachsenmaier, H. Hilz, K. Wielckens, 1979, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

Quantitative determination of poly(adenosine diphosphate ribose) in different hepatic tissues by an isotope dilution procedure.

R. Bredehorst, H. Hilz, P. Stone, 1976, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

Determination of ADP-ribose and poly(ADP-ribose) by a new radioimmunoassay.

R. Bredehorst, H. Hilz, A. Ferro, 1978, European journal of biochemistry.

Lack of correlation between poly ADP-ribose formation and DNA synthesis.

H. Hilz, M. Kittler, 1971, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

On the localization of poly ADPribose synthetase in the nucleus.

H. Hilz, M. Kittler, 1968, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

Conversion of ADP-ribose to 5'-AMP by alkaline treatment and its use for an optical quantitation of mono and poly(ADP-ribose) residues in the micromolar range.

H. Hilz, P. Stone, M. Goebel, 1977, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

ADP-ribosylated histone H1. Isolation from Ehrlich-ascites-tumor-cell nuclei and partial characterization.

P. Adamietz, U. Nellessen, H. Hilz, 2005, European journal of biochemistry.

Human leukemic lymphocytes--biochemical parameters of the altered differentiation status.

M. Garbrecht, H. Hilz, K. Wielckens, 1981, Haematology and blood transfusion.

Protein-bound mono(ADP-ribose) residues in differentiating cells of Dictyostelium discoideum.

G. Gerisch, R. Bredehorst, H. Hilz, 1980, Cell differentiation.

Intrinsic ADP-ribose transferase activity versus levels of mono(adp-ribose)protein conjugates in proliferating Ehrlich ascites tumor cells.

F. Renzi, R. Bredehorst, H. Hilz, 1979, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

The Cytostatic Action of Extracellular NAD in Tumour-bearing Mice

H. Hilz, S. Nolde, 1972, British Journal of Cancer.

On the biosynthesis of chondroitin sulfate proteins. 3. Metabolic and chemical heterogeneity in calf rib cartilage as revealed by CsCl gradient centrifugation and CPC-cellulose chromatography.

T. Kleine, H. Hilz, H. Kirsig, 1971, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

[Studies on the biosynthesis of chondrotin sulfate proteins, II. Coordination of the synthesis of protein, polysaccharide and sulfate esters in the rib cartilage of calves].

T. Kleine, H. Hilz, H. Kirsig, 1968, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

Prophylactic Antibiotics for Urological Procedures

D. Jacqmin, P. Joseph, P. Alken, 1999, European Urology.

Reduction of active sulfate (PAPS) by dihydrolipoic acid as substrate.

H. Hilz, M. Kittler, Helmuth Hilz, 1960, Biochemical and biophysical research communications.

Steroidogenic capacity of isolated adult mouse Leydig cells does not decrease with age.

A. Holstein, H. Hilz, G. Schäfer, 1982, Endocrinology.

ON THE ENZYMATIC MECHANISM OF COENZYME A ACETYLATION WITH ADENOSINE TRIPHOSPHATE AND ACETATE1

F. Lynen, F. Lipmann, H. Hilz, 1953 .

Advanced Prostate Cancer Is Associated with a Decrease in Serum Luteinizing Hormone

M. Graefen, H. Huland, J. Noldus, 2000, European Urology.

ADP-ribosylation of proteins--a multifunctional process.

H. Hilz, 1981, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

Protein-bound cAMP, total cAMP, and protein kinase activation in isolated bovine thyrocytes.

M. Schumacher, H. Hilz, 1978, Biochemical and biophysical research communications.

Nonenzymic ADP-ribosylation of specific mitochondrial polypeptides.

P. Adamietz, R. Koch, H. Hilz, 1984, Proceedings of the National Academy of Sciences of the United States of America.

Increase in RNase and DPNase activities in ascites tumor cells induced by various cytostatic agents.

R. Seifert, J. Preiss, H. Hilz, 1966, Biochemical and biophysical research communications.

Poly(ADP-Ribose) Polymerase: Determination of Content from TCA-Precipitated Cells, Existence of Species-Specific Isoforms and Changes During the Growth Cycle

A. Ludwig, H. Hilz, 1989 .

STIMULATION OF DPN TURNOVER IN ASCITES TUMOR CELLS BY LOW X-RAY DOSES.

J. Rueter, H. Hilz, M. Oldekop, 1965, Life Science.

1-(5-phospho-beta-D-ribosyl)2'-phosphoadenosine 5'-phosphate cyclic anhydride induced Ca2+ release in human T-cell lines.

B. Potter, G. Mayr, A. Guse, 1997, European journal of biochemistry.

Isolation of a 50,000 dalton cAMP binding protein and its characterization as a regulatory subunit of protein kinase II.

W. Weber, H. Hilz, G. Schwoch, 1982, Biochemical and biophysical research communications.

Quantitation of heterologous protein kinase subunits R I and R II with the aid of type specific antibodies.

W. Weber, H. Hilz, H. Schröder, 1981, Biochemical and biophysical research communications.

Antiserum against the catalytic subunit of adenosine 3':5'-cyclic monophosphate-dependent protein kinase. Reactivity towards various protein kinases.

H. Hilz, A. Hamann, G. Schwoch, 1980, The Biochemical journal.

Differential effects of cycloheximide and Trenimon on alkaline ribonuclease and on ribonuclease inhibitor in human amnion cells.

H. Hilz, B. Bertram, M. Oldekop, 1968, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.

Phospho ADP-Ribosylation and Phospho Adenylation of Proteins

H. Hilz, 1989 .

ADP-ribosyl proteins formed by pertussis toxin are specifically cleaved by mercury ions.

T. Meyer, R. Koch, H. Hilz, 1988, Biological chemistry Hoppe-Seyler.

Divergence of Poly(ADP-ribose) Polymerase Activity, Poly(ADP-ribose) Levels and the Effect of Polymerase Inhibitors in Differentiating 3T3-L1 Preadipocytes

O. Janssen, H. Hilz, 1989 .

Proceedings: Is poly(ADP-ribose) covalently bound to nuclear proteins?

P. Adamietz, H. Hilz, M. Oldekop, 1975, Journal of Biochemistry (Tokyo).

Time‐dependent translocation of protein kinase in liver of glucagon‐treated rats

H. Hilz, G. Schwoch, 1978, FEBS letters.

A new cAMP affinity matrix for the rapid purification of protein kinase regulatory subunits

W. Weber, C. Vogel, H. Hilz, 1979, FEBS letters.

A Role of Poly(ADP-Ribosyl)ation in Carcinogen-Inducible Transient DNA Amplification

H. Hausen, T. Meyer, A. Bürkle, 1989 .

Increase of mono(ADP-ribose) protein conjugate levels in rat liver induced by nicotinamide administration.

G. Siebert, R. Bredehorst, H. Hilz, 1980, Hoppe-Seyler's Zeitschrift fur physiologische Chemie.