Evidence map›Paper›PMID 8394383›Full record

ArticleThe Journal of clinical investigation1993

Secretory protein traffic. Chromogranin A contains a dominant targeting signal for the regulated pathway.

R J Parmer, X P Xi, H J Wu, L J Helman, L N Petz

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of clinical investigation, 1993. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.0field-weighted citation impact, top 13% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 66 citations in OpenAlex.

  1. Review
  2. Neuroendocrine Targeting of Tissue Plasminogen Activator (t-PA).Journal of neurological disorders & stroke · 2020
    Article
  3. Review
  4. Review
  5. Article
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  7. Cell-surface actin binds plasminogen and modulates neurotransmitter release from catecholaminergic cells.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2006
    Article
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  9. Review
  10. Article
  11. Article
  12. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

R J ParmerDepartment of Medicine, University of California, San Diego, La Jolla 92161.
X P Xi
H J Wu
L J Helman
L N Petz
University of California, San Diego · USNational Cancer Institute · US

Funding

AUTONOMIC AND RENAL PHENOTYPES IN BLACK PEDIGREESR01HL050174 · NHLBI · VETERANS MEDICAL RESEARCH FDN/SAN DIEGO · PI PARMER, ROBERT J · 1992 to 1994
–
NHLBI NIH HHS HL-50174
6 · The paper itself

Abstract

Secretory proteins are targeted into either constitutive (secreted upon synthesis) or regulated (stored in vesicles and released in response to a secretagogue) pathways. To investigate mechanisms of protein targeting into catecholamine storage vesicles (CSV), we stably expressed human chromogranin A (CgA), the major soluble protein in human CSV, in the rat pheochromocytoma PC-12 cell line. Chromaffin cell secretagogues (0.1 mM nicotinic cholinergic agonist, 55 mM K+, or 2 mM Ba++) caused cosecretion of human CgA and catecholamines from human CgA-expressing cells. Sucrose gradients colocalized human CgA and catecholamines to subcellular particles of the same buoyant density. Chimeric proteins, in which human CgA (either full-length [457 amino acids] or truncated [amino-terminal 226 amino acids]) was fused in-frame to the ordinarily nonsecreted protein chloramphenicol acetyltransferase (CAT), were expressed transiently in PC-12 cells. Both constructs directed CAT activity into regulated secretory vesicles, as judged by secretagogue-stimulated release. These data demonstrate that human CgA expressed in PC-12 cells is targeted to regulated secretory vesicles. In addition, human CgA can divert an ordinarily non-secreted protein into the regulated secretory pathway, consistent with the operation of a dominant targeting signal for the regulated pathway within the peptide sequence of CgA.

Indexed as

Signal TransductionAmino Acid SequenceAnimalsAvian Sarcoma VirusesBase SequenceCarbacholChloramphenicol O-AcetyltransferaseChromogranin AChromograninsCytoplasmic GranulesGenetic VectorsHumansMicroscopy, ElectronMolecular Sequence DataNorepinephrineOligodeoxyribonucleotidesCarbacholCHGA protein, humanChloramphenicol O-AcetyltransferaseChromogranin Achromogranin A, ratChromograninsNorepinephrineOligodeoxyribonucleotidesRecombinant Fusion Proteins

Identifiers

PMID8394383
PMCPMC294945
OpenAlexW2143699001

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.