Proliferative Stage
Proliferative Stage - Related Videos
01:20
Proliferative Phase
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2024
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. Notably, the stratum basale, the basal layer of the endometrium, including the basal parts of the uterine glands, remains unaffected by menstruation. Stem cells in this layer undergo mitosis, regenerating the stratum functionalis and thickening the...
10:04
Establishment of Proliferative Tetraploid Cells from Nontransformed Human Fibroblasts
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Cited by 2 •
2017
Although proliferative polyploid cells are necessary to analyze chromosomal instability of polyploid cells, creating such cells from nontransformed human cells is not easy. The present report describes relatively simple procedures to establish proliferative tetraploid cells free of a diploid population from normal human fibroblasts.
12:28
Quantification of Vascular Parameters in Whole Mount Retinas of Mice with Non-Proliferative and Proliferative Retinopathies
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Cited by 1 •
2022
This article describes a well-established and reproducible lectin stain assay for the whole mount retinal preparations and the protocols required for the quantitative measurement of vascular parameters frequently altered in proliferative and non-proliferative retinopathies.
06:13
Colony Formation Assay Detecting the Proliferative Capacity of LncRNA-knockdown Osteosarcoma Cells
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2026
This experimental protocol provides a stable, cost-effective, and efficient method that combines lncRNA knockdown with colony-forming assays to quantify the effect of lncRNA on osteosarcoma cell proliferation.
10:47
Quantification of Proliferative and Dead Cells in Enteroids
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Cited by 2 •
2020
The presented protocol uses flow cytometry to quantify the number of proliferating and dead cells in cultured mouse enteroids. This method is helpful to evaluate the effects of drug treatment on organoid proliferation and survival.
FAQs
Cell expansion alone does not rebuild organized tissue. During the proliferative stage, division enlarges the cell population while migration positions cells, extracellular matrix production provides structural material, and blood-vessel formation supports developing tissue in wound repair. These processes work together, so successful growth depends on coordination rather than proliferation considered in isolation.
Fibroblasts contribute by producing collagen-rich extracellular matrix, which helps form granulation tissue within the repairing wound. Epithelial cells serve a different role: they spread across the wound surface to restore coverage. Considering these activities separately helps distinguish internal tissue formation from resurfacing, while showing how both contribute to repair during the same stage.
Regulation is important because cell multiplication must expand tissue without becoming uncontrolled. In normal biology, the stage supports development, renewal, and repair; abnormal cell growth, by contrast, can contribute to disease. This relationship makes the proliferative stage useful for linking ordinary tissue growth with pathological changes in which growth control is disrupted.
A study of this phase would examine whether the cell population is expanding and whether new tissue is becoming organized. Researchers can also track cell migration, extracellular matrix production, blood-vessel formation in wound repair, collagen-rich granulation tissue, and epithelial coverage. Together, these observations connect cellular activity with the extent of tissue development or wound restoration.
In development, the stage helps explain how new tissue and cellular structures arise. In renewal, it clarifies how cell populations are replenished, while in repair it connects division with matrix production, migration, vascular formation, and surface coverage. These applications make the stage relevant to research on tissue regeneration as well as normal biological maintenance.
Wound healing displays several coordinated outputs, making it a practical context for studying the stage. Investigators can relate fibroblast collagen production to granulation tissue, epithelial spreading to restored coverage, and blood-vessel formation to developing tissue organization. This integrated view helps interpret whether repair reflects coordinated tissue formation rather than cell multiplication alone.