Primary Tumor Growth
Primary Tumor Growth - Related Videos
07:55
The Influence of Liver Resection on Intrahepatic Tumor Growth
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Cited by 6 •
2016
A high incidence of tumor recurrence after resection of liver metastases remains an unsolved problem. The illustrated mouse model may be useful to investigate the reasons for such recurrences. It combines a liver resection model with intrahepatic tumor cell injection for the first time.
09:14
An In Vitro System to Study Tumor Dormancy and the Switch to Metastatic Growth
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Cited by 39 •
2011
A modified 3-D in vitro system is presented in which growth characteristics of several tumor cell lines in reconstituted basement membrane correlate with the dormant or proliferative behavior of the tumor cells at a metastatic secondary site in vivo.
06:31
Primary Tumor and MEF Cell Isolation to Study Lung Metastasis
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Cited by 13 •
2015
The goal of this protocol is to study breast tumorigenesis. With this technique, mouse mammary tumors are removed and primary cells are prepared from tumors. A lung extraction protocol is included for studying lung metastasis. Furthermore, another protocol for analyzing mouse embryonic fibroblasts from the mouse embryo is included.
09:43
Primary Orthotopic Glioma Xenografts Recapitulate Infiltrative Growth and Isocitrate Dehydrogenase I Mutation
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Cited by 10 •
2014
Malignant gliomas constitute a heterogeneous group of highly infiltrative glial neoplasms with distinct clinical and molecular features. Primary orthotopic xenografts recapitulate the histopathological and molecular features of malignant glioma subtypes in preclinical animal models.
07:33
In vitro Organoid Culture of Primary Mouse Colon Tumors
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Cited by 43 •
2013
A simple method to establish primary murine colon tumor organoid is described. This method utilizes the feature that colon tumor cells survive and grow into organoids in media containing limited growth factors, whereas normal colon epithelial do not.
FAQs
Genetic and epigenetic changes can disrupt normal controls over cell proliferation, survival, and tissue organization. This allows tumor cells to continue dividing, resist signals that limit expansion, and alter how they are arranged within tissue. Examining these changes helps researchers connect abnormal growth patterns with underlying tumor biology and identify vulnerabilities that may be useful for treatment design.
As a primary tumor expands, it can recruit blood vessels through angiogenesis, supplying the growing mass with access to the surrounding tissue environment. This process is important because tumor enlargement depends not only on cell-intrinsic abnormalities but also on interactions with nearby tissue. Studying these interactions helps clarify how the tumor sustains growth and adapts at its original site.
Cellular heterogeneity means that cells within one primary tumor may not share identical biological properties. Such differences can influence growth kinetics, adaptation, and responses to treatment. Measuring heterogeneity gives researchers a more detailed view than treating the tumor as a uniform mass, helping them investigate why particular tumor features persist and where distinct therapeutic vulnerabilities may occur.
Researchers characterize growth kinetics by tracking how tumor size or cellular mass changes over time. They interpret these measurements alongside cellular heterogeneity and treatment responses to build a broader picture of tumor behavior. This approach can distinguish patterns of expansion, evaluate how a tumor reacts to an intervention, and support comparisons among experimental cancer models.
Primary tumor studies can show how tumor biology changes during expansion and whether treatment alters that growth. Researchers use observations of growth kinetics, cellular heterogeneity, and treatment response to evaluate experimental models and identify therapeutic vulnerabilities. These findings support drug testing by linking measurable tumor behavior with decisions about treatment design and model selection.
Studying tumors at their original site before invasion or metastasis helps researchers examine how cancer cells adapt within the local tissue environment. This stage provides context for understanding tumor biology before later disease behaviors complicate interpretation. The resulting knowledge supports improved models for diagnosis, drug testing, and treatment design while preserving focus on early tumor development.