Dependence of tissue histamine content on local histidine decarboxylase activity

ISSN:
0304-4165
Source:
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
Topics:
Biology
Chemistry and Pharmacology
Medicine
Physics
Type of Medium:
Electronic Resource
URL:
_version_ 1798291823958949888
autor Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
autorsonst Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
book_url http://linkinghub.elsevier.com/retrieve/pii/0304-4165(56)90283-5
datenlieferant nat_lic_papers
fussnote 1. The histidine decarboxylase activity of mammalian tissues has been estimated by measuring the increase in histamine content of tissue homogenates during incubation in a histidine-containing solution. The incubation was carried out at pH 9.2 in the presence of a strong reducing agent to prevent histaminase activity. The histidine decarboxylase activity so measured varied over a hundred-fold range in the tissues investigated.2. The histidine decarboxylase activity of tissues varied in general in proportion to the histamine content of the tissues. Since there is strong evidence that histamine is localized almost exclusively in mast cells, these are probably also the locus of histidine decarboxylase.3. The distribution of histaminase activity was found not to be related either directly or inversely to the histamine content of tissues.4. The amount of combined histamine in the tissues was less than the amount of free histamine and bore little relation to the amount of combined histamine produced during incubation with histidine.
hauptsatz hsatz_simple
identnr NLZ187119848
issn 0304-4165
journal_name Biochimica et Biophysica Acta (BBA)/General Subjects
materialart 1
package_name Elsevier
publikationsort Amsterdam
publisher Elsevier
reference 20 (1956), S. 243-250
search_space articles
shingle_author_1 Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
shingle_author_2 Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
shingle_author_3 Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
shingle_author_4 Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
shingle_catch_all_1 Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
Dependence of tissue histamine content on local histidine decarboxylase activity
0304-4165
03044165
Elsevier
shingle_catch_all_2 Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
Dependence of tissue histamine content on local histidine decarboxylase activity
0304-4165
03044165
Elsevier
shingle_catch_all_3 Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
Dependence of tissue histamine content on local histidine decarboxylase activity
0304-4165
03044165
Elsevier
shingle_catch_all_4 Tredway Graham, H.
Hannegan, T.W.
Muller Nourse, C.
Dependence of tissue histamine content on local histidine decarboxylase activity
0304-4165
03044165
Elsevier
shingle_title_1 Dependence of tissue histamine content on local histidine decarboxylase activity
shingle_title_2 Dependence of tissue histamine content on local histidine decarboxylase activity
shingle_title_3 Dependence of tissue histamine content on local histidine decarboxylase activity
shingle_title_4 Dependence of tissue histamine content on local histidine decarboxylase activity
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geomar
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source_archive Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
timestamp 2024-05-06T08:38:45.854Z
titel Dependence of tissue histamine content on local histidine decarboxylase activity
titel_suche Dependence of tissue histamine content on local histidine decarboxylase activity
1. The histidine decarboxylase activity of mammalian tissues has been estimated by measuring the increase in histamine content of tissue homogenates during incubation in a histidine-containing solution. The incubation was carried out at pH 9.2 in the presence of a strong reducing agent to prevent histaminase activity. The histidine decarboxylase activity so measured varied over a hundred-fold range in the tissues investigated.2. The histidine decarboxylase activity of tissues varied in general in proportion to the histamine content of the tissues. Since there is strong evidence that histamine is localized almost exclusively in mast cells, these are probably also the locus of histidine decarboxylase.3. The distribution of histaminase activity was found not to be related either directly or inversely to the histamine content of tissues.4. The amount of combined histamine in the tissues was less than the amount of free histamine and bore little relation to the amount of combined histamine produced during incubation with histidine.
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