The Luciferase Reporter Cell Line - SHP-77 is a cell model engineered to express the luciferase gene, which serves as a bioluminescent reporter for monitoring gene expression and cellular responses. The SHP-77 cell line, derived from a human acute myeloid leukemia, is a valuable model for studying the molecular mechanisms of leukemia and for drug development. The integration of the luciferase reporter gene into the SHP-77 cell line allows researchers to monitor changes in gene expression in response to various stimuli, such as growth factors, cytokines, or potential therapeutic compounds.
The SHP-77 cell line, known for its ability to mimic the characteristics of acute myeloid leukemia, provides a realistic model for leukemia research. With the stable expression of luciferase, researchers can track the response of leukemia cells to potential therapeutic agents, facilitating a better understanding of the disease's pathogenesis and the evaluation of new treatment approaches. This cell line is also valuable for drug screening, as it allows for the assessment of the effects of potential therapeutic agents on leukemia cell behavior.
Small cell lung cancer (SCLC) presents major clinical difficulties because of its aggressive character and poor prognosis. Though its exact function in SCLC is still unknown, recent investigations have shown MCM3AP-AS1, a long non-coding RNA (lncRNA), as an oncogene in many different malignancies. MCM3AP-AS1 is increased in SCLC patients, researchers observed, and associated with worse survival rates. Through qPCR, RNA pull-down, and luciferase assays, they demonstrated that MCM3AP-AS1 interacts with miR-148a, influencing ROCK1 expression, a gene associated with cancer cell invasion and migration. Overexpression of MCM3AP-AS1 promotes SCLC cell behaviors, while miR-148a counteracts these effects.
Figure 1. The researchers utilized RNA pull-down and luciferase assays, along with SHP-77 cells, to confirm the binding interaction between MCM3AP-AS1 and miR-148a. (Luo H, et al., 2021)
Creative Biogene's Luciferase Reporter Cell Line - SHP-77 is designed for similar investigations into gene regulation mechanisms in lung cancer and other malignancies.
The Luciferase Reporter Cell Line - SHP-77 is a cell line derived from a T-cell lymphoma that expresses the luciferase gene under the control of an endogenous promoter. This cell line is particularly useful for studying gene regulation, signal transduction, and the effects of drugs on gene expression.
(1)Gene Regulation Research:
The SHP-77 cell line can be used to investigate the transcriptional regulation of genes, such as the SHP gene, which is involved in the regulation of bile acid, glucose, and lipid metabolism. By monitoring luciferase activity, researchers can assess the effects of various factors, such as small molecules or protein expression, on the activity of the SHP promoter and its regulatory pathways.
(2)Drug Development and Toxicity Assessment:
The SHP-77 cell line is valuable for drug development, as it allows for the evaluation of the effects of drugs on gene expression and cellular function. Researchers can use this cell line to test the safety and efficacy of potential therapeutics by measuring changes in luciferase activity, which can reflect drug-induced alterations in gene regulation and cellular responses.
(3)In Vivo Imaging and Cancer Research:
The SHP-77 Luciferase Reporter Cell Line is suitable for in vivo imaging studies, where the bioluminescent signal from luciferase can be used to track tumor growth and response to treatment in animal models. This capability is crucial for understanding cancer progression and evaluating the effectiveness of cancer therapies in a living organism.
Customer Q&As
In what ways can the Luciferase Reporter Cell Line - SHP-77 be utilized to investigate the activation of specific signaling cascades, and what are the methodological considerations for designing such experiments?
A: The Luciferase Reporter Cell Line - SHP-77 can be employed to investigate the activation of specific signaling cascades by introducing it to various stimulators or inhibitors known to affect these pathways. Researchers can design experiments where the SHP-77 cells are treated with these agents and the resulting luciferase activity is measured over time using a luminometer or an imaging system capable of detecting bioluminescence.
How can researchers quantify the basal levels of luciferase activity in the SHP-77 cell line, and what factors might influence these measurements?
A: To quantify the basal levels of luciferase activity in the SHP-77 cell line, researchers can use a luminescence assay, which typically involves lysing the cells and then measuring the light emitted upon the addition of a luciferin substrate.
Factors that might influence these measurements include cell density, passage number, and the health of the cells at the time of assay. It is important to maintain consistent culture conditions and to plate the cells at a uniform density to minimize variability. Additionally, researchers should ensure that the assay is performed under standardized conditions, such as using the same batch of luciferin substrate and following a consistent protocol for cell lysis and substrate addition.
What are the advantages of using the SHP-77 cell line as a model system for drug screening, and how can this system be integrated into a high-throughput screening platform?
A: The SHP-77 cell line offers several advantages for drug screening, including its ease of culture, its stable expression of the luciferase reporter, and its ability to respond to a wide range of pharmacological agents. The luciferase assay is highly sensitive and can be easily scaled up for high-throughput screening. To integrate the SHP-77 cell line into a high-throughput screening platform, researchers can automate the process of cell plating, treatment with test compounds, and luciferase activity measurement. This can be achieved using liquid handling robots, multi-well plate readers, and data analysis software capable of processing large datasets to identify compounds that modulate luciferase activity in a desired manner.
How can the data obtained from the Luciferase Reporter Cell Line - SHP-77 be validated using complementary experimental approaches, and what are the potential pitfalls in data interpretation that researchers should be aware of?
A: To validate the data obtained from the SHP-77 cell line, researchers can use complementary approaches such as quantitative PCR to measure the levels of the endogenous gene of interest, or Western blotting to detect the protein levels. Potential pitfalls in data interpretation include false positives due to non-specific effects of compounds on luciferase activity or cross-talk between different signaling pathways. To avoid these issues, researchers should perform dose-response experiments to confirm the specificity of the compound's effect and use multiple assays to confirm the biological activity of the compounds of interest. Additionally, it is important to consider the possibility of cytotoxic effects of the compounds, which can indirectly affect luciferase activity by altering cell viability.
What are the critical parameters that must be controlled when using the SHP-77 cell line to study the effects of environmental stressors on luciferase reporter gene expression?
A: When using the SHP-77 cell line to study the effects of environmental stressors, critical parameters that must be controlled include the duration and intensity of the stressor exposure, the timing of sample collection relative to stressor application, and the maintenance of a consistent culture environment (e.g., temperature, humidity, and CO2 levels). It is also important to include appropriate stressor controls, such as cells exposed to a non-stressful condition, to ensure that any changes in luciferase activity are specifically due to the environmental stressor. Researchers should also consider the potential for stressor-induced cytotoxicity, which can affect cell viability and confound the interpretation of luciferase activity data. By carefully controlling these parameters and using appropriate controls, researchers can accurately assess the impact of environmental stressors on gene expression as monitored by the luciferase reporter.
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Sensitive detection
The Luciferase Reporter Cell Line - SHP-77 is equipped with a luciferase reporter gene, making it highly sensitive for detecting cellular responses to stimuli. This sensitivity allows for the quantification of changes at very low levels, facilitating the study of subtle biological processes and improving the resolution of experimental outcomes.
Quantitative results
This cell line provides quantitative data outputs, allowing for precise measurement of gene expression levels. The Luciferase Reporter Cell Line - SHP-77's ability to emit light proportionally to the activity of certain promoters gives us exact numbers that are crucial for accurate interpretation and comparison of experimental results.
Rapid feedback
The Luciferase Reporter Cell Line - SHP-77 offers rapid feedback on cellular responses due to the quick assay times associated with luciferase activity measurement. This rapid turnaround is essential for high-throughput screening and time-sensitive experiments, reducing the time from experiment to insight.
Non-destructive assay
Using the Luciferase Reporter Cell Line - SHP-77 does not require cell destruction to measure reporter activity, allowing for longitudinal studies on the same cell populations. This non-destructive nature permits continuous monitoring of cellular responses over time, enhancing the understanding of dynamic biological processes.
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