Rat Sertoli Cells (RSC)

Overview

Rat Sertoli Cells (RSC) is a cell model used for research applications where physiologically relevant identity and donor background support interpretation of experimental readouts. Rat Epithelial Cells derived from testes (Sertoli) within the Reproductive system.

Sertoli cells are highly specialized cells found in the testes. They played an important role in the development and maturation of sperm cells, or spermatozoa, within the testes, a process called spermatogenesis. Because Sertoli cells function largely to assist the developing sperm cells through their maturation process, they sometimes are referred to as a nurse cell of the testicles. They are part of a seminiferous tubule and helps in the process of spermatogenesis [1] . Sertoli cells provide immature models for a high potential of nursing purpose and supporting function for the maturity. iXCells Biotechnologies provides high quality Rat Sertoli Cells (RSC), which are isolated from the testes of male rats aged 19-21 days and cryopreserved at P0, with >1 million cells in each vial. RSC express Vimentin and they are negative for mycoplasma, bacteria, yeast, and fungi. RSCs can be maintained in Sertoli Cell Growth Medium ( Cat# MD-0091 ) under the condition suggested by iXCells Biotechnologies. Figure 1: (A) Phase contrast image of Rat Sertoli Cells (RSC) taken at 7 days post recovery. (B) RSC are positive for Vimentin as shown by immunofluorescence staining.

Key elements and design rationale

• Cell identity: Epithelial Cells (Primary Cells)
• Source context: testes; Sertoli; Reproductive
• Donor background: Gender: Male
• Biosafety level: BSL-1 (follow your institution’s biosafety program and local regulations)

Product-specific elements (such as tissue source, donor background, and cell classification) help frame how results should be interpreted across assays and experimental conditions.

Biological background

Epithelial cells provide barrier and transport functions across tissues, coordinating innate defense, secretion, and repair responses in the face of environmental and inflammatory stressors.

Across primary and specialty cell models, experimental outcomes can be influenced by donor heterogeneity, passage history, confluence, and media composition. For interpretation, it is common to validate key markers or functional phenotypes in the user’s assay context and to document culture variables consistently.

Research relevance and current trends

• Increasing use of primary and specialty cells to improve translational relevance for target biology and phenotypic screening.
• Adoption of 3D culture formats and co-culture systems to better capture tissue microenvironments and cell–cell interactions.
• Integration of functional readouts with single-cell and multi-omics profiling to connect phenotype with molecular state.

Common research applications

• Profile identity markers by flow cytometry or immunostaining in cultured cells
• Quantify functional responses to defined stimuli relevant to the model system
• Compare baseline phenotype across donors/conditions using gene expression profiling
• Model hormone and cytokine signaling relevant to reproductive tissue physiology
• Screen compounds or genetic perturbations for phenotype modulation using viability or imaging endpoints

Interpretation typically focuses on how a perturbation (e.g., cytokine exposure, metabolic stress, genetic manipulation, or compound treatment) shifts marker profiles or functional readouts relative to an appropriate control matched for donor and culture variables.

Notes for experimental interpretation

• Donor-to-donor heterogeneity can influence baseline phenotype and treatment response; include biological replicates when feasible.
• Passage number, confluence, and media composition can shift gene expression and functional readouts; track and report these variables consistently.
• Contamination control (including routine mycoplasma monitoring) supports reproducibility in downstream assays.
• Use appropriate negative/positive controls for the readout (e.g., unstimulated controls, pathway agonists/antagonists) to contextualize observed changes.

SKU:BHC18500118

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