Evidence map›Paper›PMID 26405624›Full record

ArticleSpringerPlus2015

Effects of copper and cadmium on development and superoxide dismutase levels in horseshoe crab (Limulus polyphemus) embryos.

Mary G Hamilton, Christopher Esposito, Mia Malin, Lucas R Cusumano, Mark L Botton

Open access · diamondAbstract read
In one paragraph

Article in SpringerPlus, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
1.0field-weighted citation impact, top 24% 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

3 citing papers in PubMed, 13 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
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 1 institution in 1 country.

Mary G HamiltonDepartment of Natural Sciences, Fordham University, 113 West 60th Street, New York, NY 10023 USA.
Christopher EspositoDepartment of Natural Sciences, Fordham University, 113 West 60th Street, New York, NY 10023 USA ; New York College of Osteopathic Medicine, Northern Boulevard, P.O. Box 8000, Old Westbury, NY 11568 USA.
Mia MalinDepartment of Natural Sciences, Fordham University, 113 West 60th Street, New York, NY 10023 USA ; School of Health Sciences, Quinnipiac University, 275 Mount Carmel Avenue, Hamden, CT 06518 USA.
Lucas R CusumanoDepartment of Natural Sciences, Fordham University, 113 West 60th Street, New York, NY 10023 USA ; Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461 USA.
Mark L BottonDepartment of Natural Sciences, Fordham University, 113 West 60th Street, New York, NY 10023 USA.
Fordham University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Pollution by metals may adversely affect organisms through the generation of reactive oxygen species (ROS). In this study, we examined the sublethal effects of two metals, copper and cadmium, on horseshoe crab (Limulus polyphemus) embryos. Exposure to copper or cadmium at concentrations of 0.01-10 mg/L for periods of 4, 8, 16 and 24 h had minimal effect on embryo survival except at 100 mg/L Cu. However, metal-exposed embryos took significantly longer to hatch into first instar ("trilobite") larvae than seawater controls. Levels of superoxide dismutase (SOD), believed to be important in the response to oxidative stress, were determined by Western blotting. Both the Cu/Zn and Mn cofactor forms of SOD tended to be somewhat elevated in metal-exposed embryos, but the increases were neither dose nor time-dependent. Likewise, SOD enzymatic activity showed no significant differences comparing embryos exposed to metals with seawater controls. We conclude that the protective role of SOD's against ROS produced in response to metal exposure appears to be limited in horseshoe crab embryos, at least under our experimental conditions.

Indexed as

CadmiumCopperHorseshoe crabLimulusOxidative stressPollutionSOD

Identifiers

PMID26405624
PMCPMC4573962
OpenAlexW1759820421

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.