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Updated: Apr 27, 2026

Identification of Plasmodesmal Localization Sequences in Proteins In Planta
Published on: August 15, 2017
[Research progress in cytoplasmic PML gene functions]
Xiao-Hong Xu1, Yun-Yan Sun1, Xue-Mei Zhang1
1Department of Hematology, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, Yunnan Province, China.
Abstract:
The promyelocytic leukemia (PML) was originally identified and named as acute promyelocytic leukaemia (APL) . The PML, encoded by PML gene, locates in the nuclear body (NB) and shuttles in the cell nucleus-cytoplasm, so that PML completes many regulation functions. There are many research on the function of nuclear PML, but in recent years the foreign data indicate that cytoplasmic PML gene plays an important role in hematologic malignancies and solid tumors. In this article, the biological functions of PML gene in cytoplasm are reviewed.
Insights
The promyelocytic leukemia (PML) protein, known for nuclear functions, is increasingly recognized for its critical role in the cytoplasm. This review highlights cytoplasmic PML
Area of Science:
- Molecular Biology
- Cell Biology
- Oncology
Background:
- The promyelocytic leukemia (PML) protein, originally identified in acute promyelocytic leukemia (APL), resides in nuclear bodies.
- PML shuttles between the nucleus and cytoplasm, performing various regulatory functions.
- Recent research suggests extranuclear roles for PML in cancer.
Purpose of the Study:
- To review the biological functions of the PML gene specifically within the cytoplasm.
- To consolidate recent findings on cytoplasmic PML's involvement in malignancies.
Main Methods:
- Literature review of recent studies on PML protein localization and function.
- Analysis of data implicating cytoplasmic PML in hematologic and solid tumors.
Main Results:
- Evidence indicates that cytoplasmic PML plays a significant role in hematologic malignancies.
- Emerging data highlight the importance of cytoplasmic PML in the progression of solid tumors.
Conclusions:
- The cytoplasmic functions of PML are crucial and warrant further investigation.
- Understanding cytoplasmic PML's role may offer new therapeutic strategies for various cancers.
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