ConductScience.org, home
Papers
API referenceFor AI assistants

Paper · 3645

Two components of the calcium current in the egg cell membrane of the tunicate.

Okamoto H and 2 others. J Physiol, 1976. Cited by 64 papers, by iCite.

11 sourcespapers-2026-11-12-0.1.0

Download JSON
Cite this record

ConductScience Library. Two components of the calcium current in the egg cell membrane of the tunicate. Papers, record 3645. Release papers-2026-11-12-0.1.0, 12 Nov 2026. https://conductscience.org/library/papers/3645

On this page

Paper

PubMed's record of the paper, with iCite's citation figures. No abstract is shown.

Title
Two components of the calcium current in the egg cell membrane of the tunicate.
PubMed
Journal
J Physiol
PubMed
Year
1976
PubMed
Publication types
Journal Article
PubMed
Citations, by iCite
64
iCite
Relative citation ratio, by iCite
2.1
iCite
Revised in PubMed
2019-05-09
PubMed

Authors3

The authors in the order PubMed's record lists them, with the ORCID iDs it states.

OrderAuthorForenameKindORCID iD
1Okamoto HH
2Takahashi KK
3Yoshii MM

Source PubMed

Topics12

NLM's MeSH indexing of the paper, its major topics first.

MeSH termMajor
CalciumMajor topic
OvumMajor topic
UrochordataMajor topic
Animals
Cations, Divalent
Cell Membrane
Female
Hydrogen-Ion Concentration
Kinetics
Membrane Potentials
Potassium
Sodium

Source PubMed

Grants0

Each grant PubMed's record writes, matched to the NIH project NIH's grant and paper links name for this paper, and each of those links the record does not write.

None in this release.

Trials0

The trials whose ClinicalTrials.gov record lists the paper, and the trial numbers the paper's PubMed record names.

None in this release.

Comments and corrections0

PubMed's comments and corrections, NLM's own indexing: retractions first, then expressions of concern, errata and updates, and comments last.

None in this release.

References36

The papers the reference list in PubMed's record names, those in our copy of PubMed, in the list's order.

OrderPMIDTitleJournalYearIn PapersSource
3240,906Voltage clamp analysis of two inward current mechanisms in the egg cell membrane of a starfish.J Gen Physiol1975https://conductscience.org/library/papers/240906PubMed
44,303,899Analysis of excitation process in squid giant axons under bi-ionic conditions.Am J Physiol1969https://conductscience.org/library/papers/4303899PubMed
54,307,710Tetrodotoxin-resistant electric activity in presynaptic terminals.J Physiol1969https://conductscience.org/library/papers/4307710PubMed
64,326,997The effect of prolonged depolarization on synaptic transfer in the stellate ganglion of the squid.J Physiol1971https://conductscience.org/library/papers/4326997PubMed
74,383,089A study of synaptic transmission in the absence of nerve impulses.J Physiol1967https://conductscience.org/library/papers/4383089PubMed
84,473,722Is calcium ionophore a universal activator for unfertilised eggs?Nature1974https://conductscience.org/library/papers/4473722PubMed
94,525,301Activation of sea-urchin eggs by a calcium ionophore.Proc Natl Acad Sci U S A1974https://conductscience.org/library/papers/4525301PubMed
104,575,321Divalent cations as charge carriers in excitable membranes.Prog Biophys Mol Biol1973https://conductscience.org/library/papers/4575321PubMed
114,704,488Evidence for membrane surface from measurement of potassium kinetics as a function of external divalent cation concentration.Biophys J1973https://conductscience.org/library/papers/4704488PubMed
124,715,339Possible screening of surface charges on crayfish axons by polyvalent metal ions.J Physiol1973https://conductscience.org/library/papers/4715339PubMed

1 to 10 of 36

See all 36 references

Cited by37

The papers in our copy of PubMed whose reference list names this one, newest first. iCite, which reads more sources, counts 64 citations.

PMIDTitleJournalYearIn PapersSource
9,151,730Control of action potential-induced Ca2+ signaling in the soma of hippocampal neurons by Ca2+ release from intracellular stores.J Neurosci1997https://conductscience.org/library/papers/9151730PubMed
7,225,510Presynaptic calcium currents in squid giant synapse.Biophys J1981https://conductscience.org/library/papers/7225510PubMed
7,057,161Voltage-dependent conductances in Limulus ventral photoreceptors.J Gen Physiol1982https://conductscience.org/library/papers/7057161PubMed
6,323,698Comparison of properties of calcium channels between the differentiated 1-cell embryo and the egg cell of ascidians.J Physiol1984https://conductscience.org/library/papers/6323698PubMed
6,323,697Determination of excitability types in blastomeres of the cleavage-arrested but differentiated embryos of an ascidian.J Physiol1984https://conductscience.org/library/papers/6323697PubMed
6,314,245Elementary currents through Ca2+ channels in guinea pig myocytes.Pflugers Arch1983https://conductscience.org/library/papers/6314245PubMed
6,310,091Permeation of divalent and monovalent cations through the ovarian oocyte membrane of the mouse.J Physiol1983https://conductscience.org/library/papers/6310091PubMed
6,308,246Modulation by intracellular ATP and cyclic AMP of the slow inward current in isolated single ventricular cells of the guinea-pig.J Physiol1983https://conductscience.org/library/papers/6308246PubMed
6,296,367Studies of calcium channels in rat clonal pituitary cells with patch electrode voltage clamp.J Physiol1982https://conductscience.org/library/papers/6296367PubMed
6,284,919Calcium and potassium currents in muscle fibres of an insect (Carausius morosus).J Physiol1982https://conductscience.org/library/papers/6284919PubMed

1 to 10 of 37

See all 37 cited by

Genes0

The genes the Gene search release ties to the paper: Swiss-Prot's references first, then PubTator's text mining.

None in this release.

Drugs0

The drugs whose trials, in the Pipelines release, list the paper.

None in this release.

Data0

The data bank entries PubMed's record names. Trial numbers are under Trials.

None in this release.

Data dates

The date of each source this release read.

PubMed
2026-11-06
PubMed
iCite
2026-11-05
iCite
PMC's ID file
2026-11-05
PMC's ID file
NIH RePORTER's grant and paper links
2026-11-01
NIH RePORTER's grant and paper links
Trials
2026-11-12
Gene search
2026-11-11
Pipelines
2026-09-18

Sources 11

  • ChEMBL, through Open TargetsCC BY-SA 3.0
  • ClinicalTrials.govNo license stated
  • HGNCCC0
  • iCiteCC BY 4.0
  • NCBI GenePublic domain (US government)
  • NIH RePORTER's grant and paper linksPublic domain
  • Open TargetsCC0 1.0
  • PMC's ID filePublic domain (US government)
  • PubMedNLM's terms
  • PubTator 3Public domain
  • UniProtCC BY 4.0
Each source's terms
  • ChEMBL, through Open TargetsCC BY-SA 3.0, for the parts from ChEMBL. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence
  • ClinicalTrials.govnone stated
  • HGNCCC0: https://www.genenames.org/about/license/
  • iCiteCC BY 4.0
  • NCBI GeneNone named for the file. NCBI says information created by or for the US government on its site is in the public domain, and asks that NLM be acknowledged: https://www.ncbi.nlm.nih.gov/home/about/policies/
  • NIH RePORTER's grant and paper linksPublic domain (NIH RePORTER)
  • Open TargetsCC0 1.0. Open Targets asks that users cite its latest paper: Buniello et al. 2025, Open Targets Platform: facilitating therapeutic hypotheses building in drug discovery, Nucleic Acids Research 53(D1):D1467, PMID 39657122. Read on 8 Nov 2026 at https://platform-docs.opentargets.org/licence
  • PMC's ID fileNone named for the file. NCBI says information created by or for the US government on its site is in the public domain, and asks that NLM be acknowledged: https://www.ncbi.nlm.nih.gov/home/about/policies/
  • PubMedNLM's terms
  • PubTator 3Public domain
  • UniProtCC BY 4.0. UniProt's licence file: "All databases and documents in the UniProt FTP directory may be copied and redistributed freely, without advance permission, provided that this copyright statement is reproduced with each copy." UniProt asks that users cite its latest paper: The UniProt Consortium, UniProt: the Universal Protein Knowledgebase in 2025, Nucleic Acids Research 53:D609-D617, https://doi.org/10.1093/nar/gkae1010. Read on 9 Nov 2026 at https://www.uniprot.org/help/license

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this paper from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/papers/v1/3645

GET https://conductscience.org/api/papers/v1/3645/references?page=2

API referenceFor AI assistants