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Author: Oded Sperling
Publisher: Springer Science & Business Media
ISBN: 1475714335
Category : Science
Languages : en
Pages : 453
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Book Description
Gout and urie acid lithiasis are known to have affected mankind for thousands of years. It is only recently, however, that great progress has been made in the understanding of the processes involved in purine metabolism and its disorders in man. The key enzymes active in the various pathways of purine synthesis and degradation have become known and their properties are the subject of intensive study. Major contributions to the knowledge of normal purine metabolism in man have derived from the study of inborn errors in patients with purine disorders, specifically complete and partial hypoxanthine-guanine phosphoribosyltransferase deficiency. Mutations of other enzymes involved in purine metabolism are being discovered. A great step forward has been made in the treatment of gout with the introduction of uricosuric drugs and more recently of the hypoxanthine analogue allopurinol, a synthetic xanthine oxidase inhibitor. Furthermore, the complex nature of the renal handling of urie acid excretion, although still posing difficult problems, appears to approach clari fication.
Author: Oded Sperling
Publisher: Springer Science & Business Media
ISBN: 1475714335
Category : Science
Languages : en
Pages : 453
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Book Description
Gout and urie acid lithiasis are known to have affected mankind for thousands of years. It is only recently, however, that great progress has been made in the understanding of the processes involved in purine metabolism and its disorders in man. The key enzymes active in the various pathways of purine synthesis and degradation have become known and their properties are the subject of intensive study. Major contributions to the knowledge of normal purine metabolism in man have derived from the study of inborn errors in patients with purine disorders, specifically complete and partial hypoxanthine-guanine phosphoribosyltransferase deficiency. Mutations of other enzymes involved in purine metabolism are being discovered. A great step forward has been made in the treatment of gout with the introduction of uricosuric drugs and more recently of the hypoxanthine analogue allopurinol, a synthetic xanthine oxidase inhibitor. Furthermore, the complex nature of the renal handling of urie acid excretion, although still posing difficult problems, appears to approach clari fication.
Author: Oded Sperling
Publisher:
ISBN:
Category : Purines
Languages : en
Pages :
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Book Description
Author: Mathias M. Muller
Publisher: Springer Science & Business Media
ISBN: 1468432850
Category : Science
Languages : en
Pages : 396
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Book Description
The study of gouty arthritis has provided a common meeting ground for the research interests of both the basic scientist and the clinician. The interest of the chemist in gout began 1776 with the isolation of uric acid from a concretion of the urinary tract by the Swedish chemist SCHEELE. The same substance was subsequently extracted from a gouty tophus by the British chemist WOLLASTONE in 1797 and a half century later the cause of the deposits of sodium urate In such tophi was traced to a hyperuricemia in the serum of gouty patients by the British physician Alfred Baring GARROD who had also received training in the chemical laboratory and was therefore a fore-runner of many of today's clinician-investigators. The recent surge of progress in understanding of some of the causes of gout in terms of specific enzyme defects marks the entrance of the biochemist into this field of investigation. The identification of the first primary defect of purine metabolism associated with over-production of uric acid, a severe or partial deficiency of the enzyme hypoxanthine-guanine phospho ribosyl transferase was achieved less than a decade ago. The knowledge of the mechanism of purine over-production that it generated led shortly to the identification of families carrying a dominantly (possibly X-linked) inherited increase in the activity of the enzyme phosphoribosylpyrophosphate synthetase as a cause of purine over-production. Yet this is only a start as these two types of enzyme defects account for less than five per cent of gouty patients.
Author: Chris H. M. M. de Bruyn
Publisher:
ISBN:
Category : Purines
Languages : en
Pages : 0
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Book Description
Author: Chris H. De Bruyn
Publisher: Springer Science & Business Media
ISBN: 1468445537
Category : Science
Languages : en
Pages : 533
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Book Description
These two volumes, entitled "Purine Metabolism in Man IV" con tain the paper presented at the "IV. International Symposium on Human Purine and Pyrimidine Metabolism," held in Maastricht (The Netherlands), June 1982. The proceedings of the three previous meet ings in Tel Aviv (Israel, 1973), Baden (Austria, 1976) and Madrid (Spain, 1979) were also published by Plenum Press. In the past few years interest in purine and pyrimidine metabo lism under normal and pathological conditions has been growing rapid ly. Apart from the more or less classical topics such as hyperuricae mia, clinical gout and urolithiasis, an increasing number of papers relating to other fields have been presented at successive meetings. Knowledge derived from the study of purine metabolism in relation to lymphocyte function, for instance, has opened up new possibilities for immunomodulation and leukaemia chemotherapy, with eventual conse quences for other types of cancer. At previous meetings there have been pointers implicating purine metabolism in relation to normal cardiac and skeletal muscle function. During the present meeting much new data on both issues have been re ported which indicate clear differences in the pathways of ATP metabo lism. The widening of the field of interest is also illustrated by the recent work on infectious disease: exploitation of the differences in purine metabolic pathways in certain parasites compared with those in human cells has resulted in new rationales for therapy being devel oped.
Author: Oded Sperling
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 404
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Book Description
Gout and uric acid lithiasis are known to have affected mankind for thousands of years. It is only recently, however, that great progress has been made in the understanding of the processes involved in purine metabolism and its disorders in man. The key enzymes active in the various pathways of purine synthesis and degradation have become known and their properties are the subject of intensive study. Major contributions to the knowledge of normal purine metabolism in man have derived from the study of inborn errors in patients with purine disorders, specifically complete and partial hypoxanthine-guanine phosphoribosyltransferase deficiency. Mutations of other enzymes involved in purine metabolism are being discovered. A great step forward has been made in the treatment of gout with the introduction of uricosuric drugs and more recently of the hypoxanthine analogue allopurinol, a synthetic xanthine oxidase inhibitor. Furthermore, the complex nature of the renal handling of uric acid excretion, although still posing difficult problems, appears to approach clari fication.
Author: Mathias M. Muller
Publisher: Springer Science & Business Media
ISBN: 1461342236
Category : Science
Languages : en
Pages : 661
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Book Description
The study of gouty arthritis has provided a common meeting ground for the research interests of both the basic scientist and the clinician. The interest of the chemist in gout began 1776 with the isolation of uric acid from a concretion of the urinary tract by the Swedish chemist SCHEELE. The same substance was subsequently extracted from a gouty tophus by the British chemist WOLLASTONE in 1797 and a half century later the cause of the deposits of sodium urate in such tophi was traced to a hyperuricemia in the serum of gouty patients by the British physician Alfred Baring GARROD who had also received training in the chemical laboratory and was therefore a fore-runner of many of today's clinician-investigators. The recent surge of progress in understanding of some of the causes of gout in terms of specific enzyme defects marks the entrance of the biochemist into this field of investigation. The identification of the first primary defect of purine metabolism associated with over-production of uric acid, a severe or partial deficiency of the enzyme hypoxanthine-guanine phospho ribosyltransferase was achieved less than a decade ago. The knowledge of the mechanism of purine over-production that it generated led shortly to the identification of families carrying a dominantly (possibly X-linked) inherited increase in the activity of the enzyme phosphoribosylpyrophosphate synthetase as a cause of purine over-production. Yet this is only a start as these two types of enzyme defects account for less than five per cent of gouty patients.
Author: A. Rapado
Publisher: Springer Science & Business Media
ISBN: 1461591406
Category : Science
Languages : en
Pages : 433
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Book Description
Author: Oded Sperling
Publisher: Springer
ISBN:
Category : Medical
Languages : en
Pages : 558
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Book Description
Gout and urie acid lithiasis are known to have affected mankind for thousands of years. It is only recently, however, that great progress has been made in the understanding of the processes involved in purine metabolism and its disorders in man. The key enzymes active in the various pathways of purine synthesis and degradation have become known and their properties are the subject of intensive study. Major contributions to the knowledge of normal purine metabolism in man have derived from the study of inborn errors in patients with purine disorders, specifically complete and partial hypoxanthine-guanine phosphoribosyltransferase deficiency. Mutations of other enzymes involved in purine metabolism are being discovered. A great step forward has been made in the treatment of gout with the introduction of uricosuric drugs and more recently of the hypoxanthine analogue allopurinol, a synthetic xanthine oxidase inhibitor. Furthermore, the complex nature of the renal handling of urie acid excretion, although still posing difficult problems, appears to approach clari fication.
Author: Amrik Sahota
Publisher: Springer Science & Business Media
ISBN: 1461525845
Category : Medical
Languages : en
Pages : 814
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Book Description
These volumes record the presentations made at the VIII International Symposium on Purine and Pyrimidine Metabolism in Manheld at Indiana University, Bloomington, USA from May 22- May 27, 1994. This was a continuation of meetings held every three years with the idea of bringing clinicians and basic scientists together, which we hope results in cross-fertilization of ideas. Some of the papers presented in this volume represent oral contributions and others are from posters, but we emphasize that both are considered of equal merit. As is obvious from a perusal of the titles of the papers there has been a shift in the focus of this meeting, which reflects a general shift in the area of purine and pyrimidine metabolism. The emphasis has definitely shifted to gene structure and molecular genetics, with the beginnings we hope of gene therapy as an important branch of this area of science. Although many of the inherited diseases discussed in this text can be treated with drugs, the major thrust in the futurewill be in gene therapy, where the gene (or cDNA) will be used to treat the patient with enzyme deficiency, particularly if the patient is young. As can be seen from the Iist of authors there is a remarkable degree of international cooperation in this area across countries and continents. We thank the many participants who have attended these symposia many times, and we welcome the large group of scientists from Eastern Europe who are attending this meeting for the first time.
