Evidence map›Paper›PMID 33977209›Full record

ArticleResearch and practice in thrombosis and haemostasis2021

GPIbα is the driving force of hepatic thrombopoietin generation.

Danielle Karakas, Miao Xu, Heyu Ni

Open access · goldAbstract read
In one paragraph

Article in Research and practice in thrombosis and haemostasis, 2021. 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
2.2field-weighted citation impact, top 12% 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. Kupffer cells are essential for platelet-mediated thrombopoietin generation in the liver.Proceedings of the National Academy of Sciences of the United States of America · 2025
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  11. Circulating platelet count and glycans.Current opinion in hematology · 2021
    Review
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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

3 authors at 2 institutions in 2 countries.

Danielle KarakasDepartment of Laboratory Medicine and Pathobiology University of Toronto Toronto ON Canada.
Miao XuDepartment of Hematology Qilu Hospital Cheeloo College of Medicine Shandong University Jinan China.
Heyu NiDepartment of Laboratory Medicine and Pathobiology University of Toronto Toronto ON Canada.ORCID https://orcid.org/0000-0002-7621-2945
St. Michael's Hospital · CAQilu Hospital of Shandong University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Thrombopoietin (TPO), a glycoprotein hormone produced predominantly in the liver, plays important roles in the hematopoietic stem cell (HSC) niche, and is essential for megakaryopoiesis and platelet generation. Long-standing understanding proposes that TPO is constitutively produced by hepatocytes, and levels are fine-tuned through platelet and megakaryocyte internalization/degradation via the c-Mpl receptor. However, in immune thrombocytopenia (ITP) and several other diseases, TPO levels are inconsistent with this theory. Recent studies showed that platelets, besides their TPO clearance, can induce TPO production in the liver. Our group also accidentally discovered that platelet glycoprotein (GP) Ibα is required for platelet-mediated TPO generation, which is underscored in both GPIbα

Indexed as

AntibodiesGPIbα and GPIIbIIIaPlateletThrombocytopeniaThrombopoietinThrombosis

Identifiers

PMID33977209
PMCPMC8105161
OpenAlexW3157182183

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.