Zombie Facts
Case file · open since Nov 5, 2026

Wikipedia still cites a retracted paper on “PLK2”

We read every case by hand before telling editors, then check the article every day. This page updates when anything changes.

The source

Polo-like kinase 2 gene expression is regulated by the orphan nuclear receptor estrogen receptor-related receptor gamma (ERRgamma)

Yun Yong Park, Seok Ho Kim, Yong Joo Kim, Sun Yee Kim et al.
Biochemical and Biophysical Research Communications (BBRC) · published August 2007 · cited 6 times by other papers

Retracted Jun 22, 2019

Duplication of DataDuplication of/in Image

Where Wikipedia cites it

  1. PLK227 views a month · open since Nov 5
    Zombie

Case log

  1. FoundFound on PLK2: the citation is live and nothing near it mentions the retraction.

A zombie is not an accusation. Some articles cite a retracted paper to discuss it, and some retractions don't touch the cited claim, which is why a person reads every case. How we decide · How to contest a case

All cases on the correction desk →