Evidence map›Paper›PMID 26481634›Full record

ArticleJournal of comparative physiology. B, Biochemical, systemic, and environmental physiology2016

Von Willebrand factor is reversibly decreased during torpor in 13-lined ground squirrels.

Scott Cooper, Shawn Sell, Luke Nelson, Jennifer Hawes, Jacob A Benrud, Bridget M Kohlnhofer, Bradley R Burmeister, Veronica H Flood

Open access · greenAbstract read
In one paragraph

Article in Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.5field-weighted citation impact, top 15% 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

12 citing papers in PubMed, 21 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Platelets from 13-lined ground squirrels are resistant to cold storage lesions.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2023
    Article
  5. Hibernation and hemostasis.Frontiers in physiology · 2023
    Review
  6. Article
  7. Reversible thrombocytopenia during hibernation originates from storage and release of platelets in liver sinusoids.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2021
    Article
  8. Cardiovascular resistance to thrombosis in 13-lined ground squirrels.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2019
    Article
  9. Article
  10. Temperature effects on the activity, shape, and storage of platelets from 13-lined ground squirrels.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2017
    Article
  11. Article
  12. 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

8 authors at 2 institutions in 1 country.

Scott Cooper
Shawn Sell
Luke Nelson
Jennifer Hawes
Jacob A Benrud
Bridget M Kohlnhofer
Bradley R Burmeister
Veronica H Flood
University of Wisconsin–La Crosse · USMedical College of Wisconsin · US

Funding

Mechanism of cold storage lesion resistance in hibernating ground squirrel platelets.R15HL093680 · NHLBI · UNIVERSITY OF WISCONSIN LA CROSSE · PI COOPER, SCOTT T · 2008 to 2023
$1.2M
Functional Implications of VWF A1 Domain PolymorphismsK08HL102260 · NHLBI · MEDICAL COLLEGE OF WISCONSIN · PI FLOOD, VERONICA H · 2010 to 2014
$662k
NHLBI NIH HHS 1K08HL102260NHLBI NIH HHS 1R15HL093680NHLBI NIH HHS K08 HL102260NHLBI NIH HHS R15 HL093680
6 · The paper itself

Abstract

During torpor in a hibernating mammal, decreased blood flow increases the risk of blood clots such as deep vein thrombi (DVT). In other animal models platelets, neutrophils, monocytes and von Willebrand factor (VWF) have been found in DVT. Previous research has shown that hibernating mammals decrease their levels of platelets and clotting factors VIII (FVIII) and IX (FIX), increasing both bleeding time and activated partial thromboplastin time. In this study, FVIII, FIX and VWF activities and mRNA levels were measured in torpid and non-hibernating ground squirrels (Ictidomys tridecemlineatus). Here, we show that VWF high molecular weight multimers, collagen-binding activity, lung mRNA and promoter activity decrease during torpor. The VWF multimers reappear in plasma within 2 h of arousal in the spring. Similarly, FIX activity and liver mRNA both dropped threefold during torpor. In contrast, FVIII liver mRNA levels increased twofold while its activity dropped threefold, consistent with a post-transcriptional decrease in FVIII stability in the plasma due to decreased VWF levels. Finally, both neutrophils and monocytes are decreased eightfold during torpor which could slow the formation of DVT. In addition to providing insight in how blood clotting can be regulated to allow mammals to survive in extreme environments, hibernating ground squirrels provide an interesting model for studying.

Indexed as

AnimalsBlood CoagulationFactor IXFactor VIIIGene Expression RegulationRNA, MessengerSciuridaeSeasonsTorporvon Willebrand FactorFactor IXFactor VIIIRNA, Messengervon Willebrand Factor

Identifiers

PMID26481634
PMCPMC4838567
OpenAlexW2262352837

What OpenQuestion holds

Textmetadata
LicenceTDM
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.