Fibroblast activation protein (Fap) is a cell surface glycoprotein expressed in various pathological conditions, including cancer. Its role in tumor progression and metastasis has garnered significant interest among researchers. The development of stable cell lines expressing Fap, such as the Mouse Fap Stable Cell Line - MB49, has been pivotal in elucidating its biological functions and therapeutic potential.
The discovery of the Mouse Fap Stable Cell Line - MB49 can be traced back to the early 2000s when efforts to characterize the tumor microenvironment intensified. Researchers sought to establish cell lines that stably expressed Fap to mimic its expression in cancerous tissues. This endeavor involved transfecting murine cells, particularly MB49 cells derived from a bladder carcinoma model, with constructs encoding Fap.
Following transfection, stable clones expressing Fap were meticulously selected and characterized. Expression levels of Fap were verified through various molecular and immunohistochemical techniques. Functional assays, including cell migration, invasion, and tumor growth assays, were conducted to assess the impact of Fap expression on tumor behavior.
The Mouse Fap Stable Cell Line - MB49 has since served as a valuable tool in investigating the functional significance of Fap in cancer biology. Insights gained from studies utilizing this cell line have contributed to our understanding of Fap-mediated tumor progression and have identified Fap as a potential therapeutic target in cancer treatment strategies.
Synthetic peptidolipopolymer promotes specific binding to bladder tumor cell fibronectin (FBN) matrix, enhancing cellular internalization of FBN-integrin complexes via liposomes. Researchers demonstrate the efficacy of FAP Stable Cell Line - MB49 in targeting bladder tumor cells. The synthetic peptidolipopolymer conjugate, when incorporated into liposomes, binds specifically to the fibronectin matrix surrounding bladder tumor cells, enhancing cellular internalization. The peptide shows sequence-specific and concentration-dependent association with MB49 cells, with optimal binding at 2 mol% RWFV-PEG2000-DSPE. Double PEGylation of liposomes enhances binding by > 1.6-fold. Peptide-lipopolymer construct specificity is confirmed by comparing liposomes containing RWFV-PEG2000-DSPE with scrambled and non-peptidic formulations. In MB49 tumor-bearing mice, FAP peptide-targeted liposomes exhibit greater radiance values in tumor-associated regions, indicating potential for targeted delivery in vivo.
Figure 1. In vivo bladder tumor tissue targeting evaluation was conducted using Fap Stable Cell Line - MB49, comparing liposomes with different functionalized lipopolymers (non-targeted, scrambled, or targeted) versus untreated controls.
1. Tumor Immunotherapy Evaluation: Assess efficacy of immunotherapeutic agents against bladder cancer using MB49 cells.
2. Drug Screening: Test novel compounds for inhibiting bladder tumor growth or metastasis with MB49 cell assays.
3. Gene Editing Studies: Investigate gene manipulation effects on bladder cancer progression using MB49 cells.
4. Metastasis Mechanism Exploration: Explore bladder cancer metastasis mechanisms using MB49 cell models.
5. Vaccine Efficacy Assessment: Evaluate vaccine candidates' ability to induce immune responses against bladder cancer with MB49 cells.
Customer Q&As
What led to the selection of the MB49 cell line as the host for establishing the stable Fap cell line?
A: The rationale for using the MB49 cell line likely involves its relevance to cancer research, particularly in bladder cancer studies, where Fap expression and function are of interest.
How was the stability of Fap expression verified and maintained throughout the establishment of this stable cell line?
A: Stability was confirmed through methods such as immunoblotting, flow cytometry, or qPCR, with continuous selection pressure applied to ensure maintenance of Fap expression.
Can you provide insights into the characterization of Fap expression in the MB49 stable cell line, including its subcellular localization and functional implications?
A: Characterization may involve immunofluorescence analysis to determine Fap localization and functional assays to assess its role in tumor progression, stromal remodeling, or immune modulation.
What quality control measures were employed during the development of this stable cell line?
A: Quality control measures likely included screening for mycoplasma contamination, confirmation of stable transgene integration, and assessment of phenotypic stability and consistency.
How does the expression pattern and functional properties of Fap in this stable cell line correspond to its role in mouse models of cancer or human disease?
A: Comparative analysis with in vivo models or clinical data helps validate the relevance of Fap expression in tumor biology and its potential as a therapeutic target or prognostic marker in cancer.
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Customer Reviews
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