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This book has been developed from its earlier and far less formal
presentment as the proceedings of a symposium entitled The
Biochemistry of S-Adenosylmethionine as a Basis for Drug Design
that was held at the Solstrand Fjord Hotel in Bergen, Norway on
June 30-July 4, 1985. The purpose of the symposium was to bring
together scientists from various disciplines (biochemistry,
pharmacology, virology, immunology, chemistry, medicine, and so on)
to discuss the recent advances that have been made in our
understanding of the biological roles of S adenosylmethionine
(AdoMet) and to discuss the feasibility of utilizing
AdoMet-dependent enzymes as targets for drug design. Thus the
information provided herein will be of value not only to basic
scientists involved in elucidating the role of AdoMet in biology,
but also to medicinal chemists who are using this basic knowledge
in the process of drug design. The volume should also be of
interest to pharmacologists and clinicians involved in biological
evaluation of potential therapeutic agents arising from the efforts
of the biochemists and medicinal chemists. Each plenary speaker at
the symposium was requested to submit a chapter reviewing recent
contributions of their discipline to our base of knowledge about
the biological role of AdoMet. Topics covered in this volume
include protein and phospholipid methylations (Section A), nucleic
acid methyl ations (Section B), the regulation of AdoMet,
S-adenosylhomocysteine, and methylthioadenosine metabolism (Section
C), clinical aspects of AdoMet (Section D), and the design,
synthesis, and biological evaluation of trans methylation
inhibitors (Section E)."
In 1962, 30 years after the discovery by du Vigneaud have
pathologic consequences. One potentially sig- of a new sulfur amino
acid, homocysteine; Carson and nificant health outcome of such mild
to moderate Neil reported two siblings with mental retardation in
hyperhomocysteinemia is an increased risk of occlu- northern
Ireland with elevated urinary homocystine. sive vascular disease.
Homocysteine concentrations in Nearly simultaneously, Gerritsen and
Waisman patients with vascular disease were, on average, 31 %
greater than in normal controls. Prospective assess- identified
increased homocystine in the urine of a mentally retarded infant in
Wisconsin. Within two ment of vascular disease risk among men with
higher years, Harvey Mudd, James Finkelstein, and their
homocysteine concentrations indicated that plasma coworkers at the
National Institutes of health (USA) homocysteine at only 12% above
the upper limit of that the enzyme cystathionine ~- normal levels
was associated with a 3. 4-fold increase had reported synthase was
lacking in a liver biopsy specimen from in risk of acute myocardial
infarction. Studies from another patient with homocystinuria. This
was the original Framingham Heart Study cohort (USA) the first
indication of a vitamin relationship to have shown strong, positive
correlation between homocystinuria, because that enzyme has as its
co- plasma homocysteine concentration and degree of factor vitamin
B6 (pyridoxal phosphate). Thereafter, carotid stenosis.
This book has been developed from its earlier and far less formal
presentment as the proceedings of a symposium entitled The
Biochemistry of S-Adenosylmethionine as a Basis for Drug Design
that was held at the Solstrand Fjord Hotel in Bergen, Norway on
June 30-July 4, 1985. The purpose of the symposium was to bring
together scientists from various disciplines (biochemistry,
pharmacology, virology, immunology, chemistry, medicine, and so on)
to discuss the recent advances that have been made in our
understanding of the biological roles of S adenosylmethionine
(AdoMet) and to discuss the feasibility of utilizing
AdoMet-dependent enzymes as targets for drug design. Thus the
information provided herein will be of value not only to basic
scientists involved in elucidating the role of AdoMet in biology,
but also to medicinal chemists who are using this basic knowledge
in the process of drug design. The volume should also be of
interest to pharmacologists and clinicians involved in biological
evaluation of potential therapeutic agents arising from the efforts
of the biochemists and medicinal chemists. Each plenary speaker at
the symposium was requested to submit a chapter reviewing recent
contributions of their discipline to our base of knowledge about
the biological role of AdoMet. Topics covered in this volume
include protein and phospholipid methylations (Section A), nucleic
acid methyl ations (Section B), the regulation of AdoMet,
S-adenosylhomocysteine, and methylthioadenosine metabolism (Section
C), clinical aspects of AdoMet (Section D), and the design,
synthesis, and biological evaluation of trans methylation
inhibitors (Section E)."
In 1962, 30 years after the discovery by du Vigneaud have
pathologic consequences. One potentially sig- of a new sulfur amino
acid, homocysteine; Carson and nificant health outcome of such mild
to moderate Neil reported two siblings with mental retardation in
hyperhomocysteinemia is an increased risk of occlu- northern
Ireland with elevated urinary homocystine. sive vascular disease.
Homocysteine concentrations in Nearly simultaneously, Gerritsen and
Waisman patients with vascular disease were, on average, 31 %
greater than in normal controls. Prospective assess- identified
increased homocystine in the urine of a mentally retarded infant in
Wisconsin. Within two ment of vascular disease risk among men with
higher years, Harvey Mudd, James Finkelstein, and their
homocysteine concentrations indicated that plasma coworkers at the
National Institutes of health (USA) homocysteine at only 12% above
the upper limit of that the enzyme cystathionine ~- normal levels
was associated with a 3. 4-fold increase had reported synthase was
lacking in a liver biopsy specimen from in risk of acute myocardial
infarction. Studies from another patient with homocystinuria. This
was the original Framingham Heart Study cohort (USA) the first
indication of a vitamin relationship to have shown strong, positive
correlation between homocystinuria, because that enzyme has as its
co- plasma homocysteine concentration and degree of factor vitamin
B6 (pyridoxal phosphate). Thereafter, carotid stenosis.
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