Cited by 963Microtubule and mitosis dynamicsGenomics and Chromatin DynamicsNuclear Structure and Function

Ki-67: more than a proliferation marker

Open access
Sun, Xiaoming, Kaufman, Paul D.·2018·Chromosoma

Abstract

Ki-67 protein has been widely used as a proliferation marker for human tumor cells for decades. In recent studies, multiple molecular functions of this large protein have become better understood. Ki-67 has roles in both interphase and mitotic cells, and its cellular distribution dramatically changes during cell cycle progression. These localizations correlate with distinct functions. For example, during interphase, Ki-67 is required for normal cellular distribution of heterochromatin antigens and for the nucleolar association of heterochromatin. During mitosis, Ki-67 is essential for formation of the perichromosomal layer (PCL), a ribonucleoprotein sheath coating the condensed chromosomes. In this structure, Ki-67 acts to prevent aggregation of mitotic chromosomes. Here, we present an overview of functional roles of Ki-67 across the cell cycle and also describe recent experiments that clarify its role in regulating cell cycle progression in human cells.

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  • SASP inducers are diverse, but in most cases they depend on NF-κB, CEBPβ, and/or STAT signaling.

    “SASP inducers are diverse; however, in most cases, they rely on the involvement of NF-κB, CEBPβ, and/or STAT signaling28.”

    From Guidelines for minimal information on cellular senescence experimentation in vivo (2024) · cites this paper as [28]

    The Introduction and section 3 discuss Ki-67 in cell-cycle regulation and mention senescent cells, but neither addresses SASP induction. Searches for SASP and for NF-κB, CEBPβ, and STAT signaling found no passage in our copy supporting the attributed claim. (LLM, conf=0.76)

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  1. Scholzen T Gerdes J 2000 The Ki-67 protein: From the known and the unknown J Cell Physiol 182 311 322 10.1002/(SICI)1097-4652(200003)182:3<311::AID-JCP1>3.0.CO;2-9 10653597 · DOI

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Authors
Sun, X., & Kaufman, P. D.
Affiliations
University of Massachusetts Chan Medical School (US)
Corresponding author
Kaufman, Paul D.
Venue
Chromosoma
Published
2018-01-10
Volume
127
Issue
2
Pages
175-186
ISSN
  • 0009-5915 (ISSN-L)
  • 1432-0886
OpenAlex
W2783197533
Cited by
963
References
109
Citations by year
2026: 100 · 2025: 141 · 2024: 162 · 2023: 158 · 2022: 175 · 2021: 122 · 2020: 69 · 2019: 26 · 2018: 8 · 2012: 1
FWCI
6.31
Type
journal article
Language
en
Open access
Locations
  • Chromosoma (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute on Drug Abuse (U01DA040588)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Microtubule and mitosis dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
Keywords
Ki-67, cell proliferation markers, cell cycle regulation, heterochromatin, nucleolus, mitosis, interphase, chromosome condensation, ribonucleoprotein
MeSH terms
Protein Domains, Amino Acid Sequence, Cell Nucleolus, Gene Expression Regulation, Heterochromatin, Humans, Interphase, Mitosis, Ribonucleoproteins, Tumor Suppressor Protein p53, Retinoblastoma Protein, Ki-67 Antigen, Protein Isoforms, Cell Line, Tumor, Cell Proliferation, Cyclin-Dependent Kinase Inhibitor p21

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