Cyclin D1 Expression
Cyclin D1 Expression - Related Videos
10:54
Studying Proteolysis of Cyclin B at the Single Cell Level in Whole Cell Populations
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Cited by 2 •
2012
Metaphase to anaphase transition is triggered through anaphase-promoting complex (APC/C)-dependent ubiquitination and subsequent destruction of cyclin B. Here, we established a system which, following pulse-chase labeling, allows monitoring cyclin B proteolysis in entire cell populations and facilitates the detection of interference by the mitotic checkpoint.
10:34
Using an Automated Cell Counter to Simplify Gene Expression Studies: siRNA Knockdown of IL-4 Dependent Gene Expression in Namalwa Cells
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Cited by 2 •
2010
This procedure describes a quick and easy workflow to introduce siRNA into difficult to transfect cell lines and follow gene expression by real-time PCR. Use of an automated cell counter, multi-well electroporation plate, and automated electrophoresis station provide quick and reliable results without the need for expensive robotic handling.
07:25
Identification of Dopamine D1-Alpha Receptor Within Rodent Nucleus Accumbens by an Innovative RNA In Situ Detection Technology
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Cited by 9 •
2018
Identification of dopamine D1-alpha receptor in the nucleus accumbens is critical for clarifying D1 receptor dysfunction during a central nervous system disease. We performed a novel RNA in situ hybridization assay to visualize single RNA molecules in a specific brain area.
12:26
Identification of Cyclin-dependent Kinase 1 Specific Phosphorylation Sites by an In Vitro Kinase Assay
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Cited by 10 •
2018
Cyclin-dependent kinase 1 (Cdk1) is activated in the G2 phase of the cell cycle and regulates many cellular pathways. Here, we present a protocol for an in vitro kinase assay with Cdk1, which allows the identification of Cdk1-specific phosphorylation sites for establishing cellular targets of this important kinase.
01:42
What is Gene Expression?
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2019
Overview Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors. Genetic Information Flows from DNA to RNA to Protein A gene is a stretch of DNA that serves as the blueprint for functional RNAs and proteins. Since DNA is made up of nucleotides and proteins consist of amino...
FAQs
Extracellular growth signals activate mitogenic pathways that increase CCND1 transcription and translation. This regulation links conditions outside the cell to the production of a protein needed for progression through G1. Studying this response helps researchers determine how growth cues influence cell-cycle entry and how altered signaling may affect proliferation in biological and disease contexts.
Cyclin D1 binding to cyclin-dependent kinases 4 and 6 enables phosphorylation of retinoblastoma protein. Phosphorylated retinoblastoma protein releases E2F transcription factors, which promote the gene-expression program associated with entry into S phase. This sequence provides a mechanistic framework for analyzing how regulated growth signals become cell-cycle progression.
Sustained or abnormally elevated Cyclin D1 expression can promote continued cell division rather than appropriately regulated progression through the cell cycle. That change is relevant to uncontrolled proliferation and cancer biology. Researchers therefore examine persistent expression as a possible connection between altered cell-cycle regulation and tumor development or classification.
Cyclin D1 expression provides a molecular readout of processes that include cell proliferation, differentiation, and tissue development. Because its regulation responds to extracellular growth signals and affects G1 progression, changes in expression can help researchers relate developmental or differentiation states to cell-cycle behavior. The same measurement can therefore support broader studies of tissue biology.
Measuring Cyclin D1 expression can indicate how growth-related signaling is associated with cell-cycle activity. Researchers can use the measurement to investigate proliferation, differentiation, and tissue development, while also examining abnormal expression in cancer-related studies. Its value comes from connecting a measurable molecular change with processes governing cell division and tissue behavior.
Tumor studies examine Cyclin D1 expression because abnormally sustained or elevated levels can be associated with uncontrolled cell division. Expression patterns can therefore contribute to tumor classification and help researchers investigate therapies that target cell-cycle regulation. This context positions Cyclin D1 as both a marker for cancer biology studies and a component of therapeutic research.