Albumin secreted by rat liver bypasses Golgi apparatus cisternae
ISSN: |
0304-4165
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Keywords: |
(Rat liver) ; Albumin ; Golgi apparatus ; Protein secretion
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Source: |
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
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Topics: |
Biology
Chemistry and Pharmacology
Medicine
Physics
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Type of Medium: |
Electronic Resource
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URL: |
_version_ | 1798291820347654144 |
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autor | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. |
autorsonst | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. |
book_url | http://linkinghub.elsevier.com/retrieve/pii/0304-4165(81)90120-3 |
datenlieferant | nat_lic_papers |
fussnote | Albumin was isolated immunologically from various subcellular fractions from livers of adult male rats receiving an intraperitoneal injection of [^3H]leucine to investigate the kinetics and pathway of subcellular transfer of newly synthesized albumin during secretion. At appropriate time intervals, livers were excised and fractionated into endoplasmic reticulum and Golgi apparatus. Golgi apparatus were further subfractionated into cisternae and secretory vesicles. In endoplasmic reticulum fractions, labeled albumin appeared within 7.5 min of injection of isotope, followed by a rapid decline in specific activity. Albumin in Golgi apparatus was labeled and concentrated in secretory vesicles over 25 min. The radioactivity in albumin per mg total protein was highest in secretory vesicles and insignificant in the cisternal fraction. Labeled albumin was present in serum by 30 min and radioactivity in serum albumin reached a plateau within 60-90 min after injection of isotope. Results provide evidence for the migration of albumin from its site of synthesis on endoplasmic reticulum membrane-bound polyribosomes to its site of secretion into the circulation via the Golgi apparatus. The pathway of albumin transport to secretory vesicles is suggested to involve peripheral elemenst of the Golgi apparatus. Secretory vesicle formation and maturation required 20 to 30 min for completion, via a mechanism whereby the inner spaces of the central saccules may be bypassed. |
hauptsatz | hsatz_simple |
identnr | NLZ187089655 |
issn | 0304-4165 |
journal_name | Biochimica et Biophysica Acta (BBA)/General Subjects |
materialart | 1 |
package_name | Elsevier |
publikationsort | Amsterdam |
publisher | Elsevier |
reference | 678 (1981), S. 395-402 |
schlagwort | (Rat liver) Albumin Golgi apparatus Protein secretion |
search_space | articles |
shingle_author_1 | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. |
shingle_author_2 | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. |
shingle_author_3 | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. |
shingle_author_4 | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. |
shingle_catch_all_1 | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. Albumin secreted by rat liver bypasses Golgi apparatus cisternae (Rat liver) Albumin Golgi apparatus Protein secretion (Rat liver) Albumin Golgi apparatus Protein secretion 0304-4165 03044165 Elsevier |
shingle_catch_all_2 | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. Albumin secreted by rat liver bypasses Golgi apparatus cisternae (Rat liver) Albumin Golgi apparatus Protein secretion (Rat liver) Albumin Golgi apparatus Protein secretion 0304-4165 03044165 Elsevier |
shingle_catch_all_3 | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. Albumin secreted by rat liver bypasses Golgi apparatus cisternae (Rat liver) Albumin Golgi apparatus Protein secretion (Rat liver) Albumin Golgi apparatus Protein secretion 0304-4165 03044165 Elsevier |
shingle_catch_all_4 | Franz, C.P. Croze, E.M. Morre, D.J. Schreiber, G. Albumin secreted by rat liver bypasses Golgi apparatus cisternae (Rat liver) Albumin Golgi apparatus Protein secretion (Rat liver) Albumin Golgi apparatus Protein secretion 0304-4165 03044165 Elsevier |
shingle_title_1 | Albumin secreted by rat liver bypasses Golgi apparatus cisternae |
shingle_title_2 | Albumin secreted by rat liver bypasses Golgi apparatus cisternae |
shingle_title_3 | Albumin secreted by rat liver bypasses Golgi apparatus cisternae |
shingle_title_4 | Albumin secreted by rat liver bypasses Golgi apparatus cisternae |
sigel_instance_filter | dkfz geomar wilbert ipn albert fhp |
source_archive | Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 |
timestamp | 2024-05-06T08:38:41.923Z |
titel | Albumin secreted by rat liver bypasses Golgi apparatus cisternae |
titel_suche | Albumin secreted by rat liver bypasses Golgi apparatus cisternae Albumin was isolated immunologically from various subcellular fractions from livers of adult male rats receiving an intraperitoneal injection of [^3H]leucine to investigate the kinetics and pathway of subcellular transfer of newly synthesized albumin during secretion. At appropriate time intervals, livers were excised and fractionated into endoplasmic reticulum and Golgi apparatus. Golgi apparatus were further subfractionated into cisternae and secretory vesicles. In endoplasmic reticulum fractions, labeled albumin appeared within 7.5 min of injection of isotope, followed by a rapid decline in specific activity. Albumin in Golgi apparatus was labeled and concentrated in secretory vesicles over 25 min. The radioactivity in albumin per mg total protein was highest in secretory vesicles and insignificant in the cisternal fraction. Labeled albumin was present in serum by 30 min and radioactivity in serum albumin reached a plateau within 60-90 min after injection of isotope. Results provide evidence for the migration of albumin from its site of synthesis on endoplasmic reticulum membrane-bound polyribosomes to its site of secretion into the circulation via the Golgi apparatus. The pathway of albumin transport to secretory vesicles is suggested to involve peripheral elemenst of the Golgi apparatus. Secretory vesicle formation and maturation required 20 to 30 min for completion, via a mechanism whereby the inner spaces of the central saccules may be bypassed. |
topic | W V WW-YZ U |
uid | nat_lic_papers_NLZ187089655 |