Evidence map›Paper›PMID 11896170›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2002

Episodic bursting activity and response to excitatory amino acids in acutely dissociated gonadotropin-releasing hormone neurons genetically targeted with green fluorescent protein.

M Cathleen Kuehl-Kovarik, Wendy A Pouliot, Gloriana L Halterman, Robert J Handa, F Edward Dudek, Kathryn M Partin

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed
15.0field-weighted citation impact, top 1% 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

52 citing papers in PubMed, 131 citations in OpenAlex.

  1. Altered Electrophysiology and Transcriptome of GnRH Neurons in Middle-Aged Female Mice.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025
    Article
  2. Hypothalamic Kisspeptin Neurons: Integral Elements of the GnRH System.Reproductive sciences (Thousand Oaks, Calif.) · 2023
    Review
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  8. Optogenetic activation of GnRH neurons reveals minimal requirements for pulsatile luteinizing hormone secretion.Proceedings of the National Academy of Sciences of the United States of America · 2014
    Article
  9. Review
  10. Article
  11. Article
  12. Kisspeptin excitation of GnRH neurons.Advances in experimental medicine and biology · 2013
    Review
  13. Article
  14. Fast scan cyclic voltammetry as a novel method for detection of real-time gonadotropin-releasing hormone release in mouse brain slices.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2012
    Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

M Cathleen Kuehl-KovarikDepartment of Anatomy and Neurobiology, Colorado State University, Fort Collins, Colorado 80523-1670, USA. cathy.kovarik@colostate.edu
Wendy A Pouliot
Gloriana L Halterman
Robert J Handa
F Edward Dudek
Kathryn M Partin
Colorado State University · US

Funding

FETAL ALCOHOL EXPOSURE AND REPRODUCTIVE DEFICITSR01AA012693 · NIAAA · COLORADO STATE UNIVERSITY-FORT COLLINS · PI HANDA, ROBERT J · 2000 to 2003
$1.2M
LOCAL NEURONAL CIRCUITS OF THE SUPRACHIASMATIC NUCLEUSR01MH059995 · NIMH · COLORADO STATE UNIVERSITY-FORT COLLINS · PI DUDEK, F. EDWARD · 1999 to 2003
$937k
NIAAA NIH HHS AA12693NIAAA NIH HHS R01 AA012693NIMH NIH HHS MH 59995NIMH NIH HHS R01 MH059995
6 · The paper itself

Abstract

The gonadotropin-releasing hormone (GnRH) system, considered to be the final common pathway for the control of reproduction, has been difficult to study because of a lack of distinguishing characteristics and the scattered distribution of neurons. The development of a transgenic mouse in which the GnRH promoter drives expression of enhanced green fluorescent protein (EGFP) has provided the opportunity to perform electrophysiological studies of GnRH neurons. In this study, neurons were dissociated from brain slices prepared from prepubertal female GnRH-EGFP mice. Both current- and voltage-clamp recordings were obtained from acutely dissociated GnRH neurons identified on the basis of EGFP expression. Most isolated GnRH-EGFP neurons fired spontaneous action potentials (recorded in cell-attached or whole-cell mode) that typically consisted of brief bursts (2-20 Hz) separated by 1-10 sec. At more negative resting potentials, GnRH-EGFP neurons exhibited oscillations in membrane potential, which could lead to bursting episodes lasting from seconds to minutes. These bursting episodes were often separated by minutes of inactivity. Rapid application of glutamate or NMDA increased firing activity in all neurons and usually generated small inward currents (<15 pA), although larger currents were evoked in the remaining neurons. Both AMPA and NMDA receptors mediated the glutamate-evoked inward currents. These results suggest that isolated GnRH-EGFP neurons from juvenile mice can generate episodes of repetitive burst discharges that may underlie the pulsatile secretion of GnRH, and glutamatergic inputs may contribute to the activation of endogenous bursts.

Indexed as

Action PotentialsAnimalsBiological ClocksCells, CulturedCell SeparationExcitatory Amino AcidsFemaleGlutamic AcidGonadotropin-Releasing HormoneGreen Fluorescent ProteinsIn Vitro TechniquesLuminescent ProteinsMembrane PotentialsMiceMice, TransgenicNeuronsExcitatory Amino AcidsGlutamic AcidGonadotropin-Releasing HormoneGreen Fluorescent ProteinsLuminescent ProteinsN-Methylaspartate

Identifiers

PMID11896170
PMCPMC6758266
OpenAlexW2120773020

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.