Tumor Formation
Tumor Formation - Related Videos
04:00
A Matrigel-Based Tube Formation Assay to Assess the Vasculogenic Activity of Tumor Cells
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Cited by 121 •
2011
A tube formation assay is used to evaluate vascular activity of tumor cells.
09:23
Three-Dimensional Culture Assay to Explore Cancer Cell Invasiveness and Satellite Tumor Formation
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Cited by 4 •
2016
Cancer cells are embedded in a collagen gel and then sandwiched in an acellular fibrin gel to generate a 3D culture system in which the invasiveness and formation of satellite tumors may be monitored.
02:16
Solution Formation
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2020
There is no one solvent that can dissolve every type of solute. Some substances that readily dissolve in a certain solvent might be insoluble in a different solvent. A simple way to predict which substances dissolve in which solvent is the phrase "like dissolves like". This means that polar substances, such as salt and sugar, dissolve in a polar substance like water. In contrast, non-polar substances are more soluble in non-polar solvents such as carbon tetrachloride. This selective solubility...
12:42
Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo
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Cited by 17 •
2019
This protocol describes a detailed workflow for the generation and ex vivo characterization of oncolytic viruses for expression of immunomodulators, using measles viruses encoding bispecific T cell engagers as an example. Application and adaptation to other vector platforms and transgenes will accelerate the development of novel immunovirotherapeutics for clinical translation.
02:37
Standard Enthalpy of Formation
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2020
Enthalpy changes are typically tabulated for reactions in which both the reactants and products are at the same conditions. A standard state is a commonly accepted set of conditions used as a reference point for the determination of properties under other different conditions. For chemists, the IUPAC standard state refers to materials under a pressure of 1 bar and solutions at 1 M and does not specify a temperature. Many thermochemical tables list values with a standard state of 1 atm. Because...
FAQs
Tumor formation can follow disruption of several cooperating safeguards: cell-cycle progression, DNA repair, apoptosis, and communication with neighboring cells. Changes in these systems may allow cells with abnormal growth or survival behavior to persist instead of being corrected or eliminated. Examining which controls are altered helps explain how a developing lesion gains a selective advantage over surrounding normal tissue.
Genetic changes alter the cellular information encoded in DNA, whereas epigenetic changes affect how that information is regulated without changing the underlying sequence. Both can disturb pathways controlling proliferation, repair, survival, and cell-to-cell communication. Considering both types of change is important because tumor development may reflect several regulatory disruptions acting together rather than a single abnormal event.
Additional changes can expand the effects of an initial abnormal clone by promoting angiogenesis, invasion, and metastasis. Angiogenesis refers to the development of a blood-vessel supply, while invasion and metastasis describe increasingly extensive tissue involvement and spread. Studying these features helps distinguish early growth-related changes from alterations associated with more advanced disease behavior.
Investigating the sequence of changes associated with tumor formation can identify features useful for recognizing abnormal tissue sooner. It also supports classification of lesions as benign or malignant by relating cellular alterations and behaviors to disease categories. In medicine, this information can improve interpretation of neoplastic disease and guide decisions about which findings require closer evaluation.
Models of tumor development provide structured systems for examining how abnormal growth emerges and progresses. Researchers can use them to evaluate cancer risk, investigate responses to drugs, and explore prevention strategies. Because models represent tumor-related processes under study, they also help connect observations about cellular regulation with potential clinical approaches without relying only on established disease outcomes.
Tumor formation research can reveal altered pathways and other features that serve as therapeutic targets. Comparing these changes among tumors may help explain why treatment responses differ and support more individualized strategies. This work links the biology of a particular neoplastic disease to drug-response testing and treatment selection, while also informing broader efforts to develop targeted cancer therapies.