Mammosphere Size Analysis
Mammosphere Size Analysis - Related Videos
05:07
Generation of Primary Mammospheres: A Technique to Determine Cell Potency
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2023
This video describes isolating cancer stem cells from breast cancer cell lines. We culture these cancer stem cells to generate primary mammospheres for assessing self-renewal and calculating sphere-forming efficiency, allowing comparison across different seeding...
08:05
Mammosphere Assay Reveals Api5-Induced Stemness in Non-Tumorigenic Breast Epithelial Cell Lines
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2026
This protocol describes the method for setting up the mammosphere formation assay to study Apoptosis Inhibitor 5 (Api5)- induced cancer stemness in non-tumorigenic breast epithelial cells. Lysates collected from primary generation mammospheres are analysed for different stemness markers to assess the induction of stem cell-like properties.
01:25
The Anchoring-and-Adjustment Heuristic
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2020
In order to make good decisions, we use our knowledge and our reasoning. Often, this knowledge and reasoning is sound and solid. However, sometimes, we are swayed by biases or by others manipulating a situation. For example, let’s say you and three friends wanted to rent a house and had a combined target budget of $1,600. The realtor shows you only very run-down houses for $1,600 and then shows you a very nice house for $2,000. Might you ask each person to pay more in rent to get the $2,000...
07:40
Quantification of Self-renewal in Murine Mammosphere Cultures
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Cited by 1 •
2019
Here, we describe the implementation and interpretation of the results of an in vitro mammosphere self-renewal quantitative assay.
01:12
Adjusting a Traverse
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2025
In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
FAQs
Diameter and area translate a mammosphere’s visual dimensions into numerical measurements. Researchers can compare these values across samples or conditions, while size distributions show whether clusters are relatively uniform or variable. This makes the analysis useful for detecting treatment-related or culture-related changes in three-dimensional growth.
Debris and irregular structures can distort diameter or area measurements without representing intact mammospheres. Excluding them improves the relevance of the dataset to actual cell clusters and reduces misleading size values. Consistent selection criteria are therefore important when comparing mammosphere populations across treatments or culture conditions.
A single summary value can conceal variation among individual mammospheres. Examining the size distribution reveals whether a sample contains consistently sized clusters or a mixture of smaller and larger structures. That distinction can help identify heterogeneous cellular responses to culture conditions or treatments that might be missed by one overall size value.
Mammosphere formation reflects the survival and self-renewal of mammary stem and progenitor cells, so changes in measured size can provide evidence of altered cellular behavior under different conditions. Size analysis does not replace assessment of the culture context, but it supplies a quantitative outcome for comparing growth-related responses in mammary biology studies.
A typical workflow begins by capturing mammosphere images with microscopy, identifying structures suitable for analysis, and measuring dimensions such as diameter or area. Researchers then organize the measurements as individual values or a size distribution and exclude debris and irregular structures. The resulting dataset supports comparisons between culture conditions or treatments.
This analysis is useful when researchers need to evaluate how mammary cells respond to different culture conditions or treatments. It supports investigations of mammary gland development, cancer stem cell properties, drug response, and tissue regeneration. By providing quantitative size outcomes, the method helps connect three-dimensional cluster behavior with broader biological questions.