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Related Concept Videos

Proliferative Phase01:20

Proliferative Phase

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The proliferative phase typically occurs after menstruation and lasts between 6 to 13 days in a standard 28-day cycle. This phase involves the reconstruction of the endometrium, guided by estrogen produced by the developing ovarian follicle.
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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
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Cytoskeletal Linker Proteins - Plakins01:09

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Plakins are large proteins with binding domains for microtubules, microfilaments, intermediate filaments, and membrane-associated protein complexes at cell junctions. Plakin functions are evolutionarily conserved and are primarily involved in organizing the different components of the cytoskeleton by crosslinking them to each other and connecting them to the cell-matrix and cell adhesion complexes. They are also known to interact with signal transducers, serve as scaffolds for signaling...
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Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
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Updated: Sep 18, 2025

Author Spotlight: Anterior HR-OCT as a Non-Invasive Tool for Characterizing Ocular Surface Squamous Neoplasia
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Proliferative Leukoplakia.

Malak Al-Hadlaq1, Lama Alabdulaaly2, Sook-Bin Woo3

  • 1Department of Oral Medicine and Diagnostic Sciences, College of Dentistry at King Saud University, PO Box 60169, Riyadh 11545, Saudi Arabia.

Dental Clinics of North America
|June 22, 2025
PubMed
Summary
This summary is machine-generated.

Proliferative leukoplakia (PL) is an aggressive oral condition with high cancer risk. Further research into molecular and immune therapies is needed due to challenging treatments and diagnostic inconsistencies.

Keywords:
Diagnostic criteriaHigh-risk leukoplakiaMalignant transformationMulti-modality treatmentOral dysplasiaOral potentially malignant disorderProliferative leukoplakia

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Area of Science:

  • Oral pathology
  • Oncology
  • Molecular biology

Background:

  • Proliferative leukoplakia (PL) is an uncommon, aggressive oral lesion.
  • It has high rates of malignant transformation and recurrence.
  • PL primarily affects older, non-smoking females.

Purpose of the Study:

  • To review the characteristics of proliferative leukoplakia.
  • To highlight challenges in diagnosis and treatment.
  • To emphasize the need for standardized criteria and novel therapies.

Main Methods:

  • Review of existing literature on proliferative leukoplakia.
  • Analysis of histopathological and molecular features.
  • Discussion of current treatment limitations and future research directions.

Main Results:

  • PL presents as homogenous, verrucous, or erythroleukoplakia.
  • Associated with high DNA aneuploidy, TP53/CDKN2A alterations, and PD-L1 expression.
  • Histopathology shows dysplasia; treatment options are limited.

Conclusions:

  • PL requires further investigation into molecular and immune-based therapies.
  • Inconsistencies in terminology and diagnostics necessitate an international consensus.
  • Standardized reporting and clinical trials are crucial for improved management.