Human Mammary Epithelial Cells (HMEpC)

Overview

Human Mammary Epithelial Cells (HMEpC) is a cell model used for research applications where physiologically relevant identity and donor background support interpretation of experimental readouts. Human Epithelial Cells derived from Mammary Gland (Mammary) within the Integumentary system.

Human mammary epithelial cells (HMEpC) lie within the alveolar lumen of the breast lobules, which together with mammary ducts and adipose tissues, form a complex network in the mammary gland. HMEpC respond to various growth factors and hormonal cues and undergo changes in growth, invasion, and differentiation during pre- and postnatal stage, puberty, and pregnancy [1] . Aberrant levels of hormones and extracellular matrix composition, and other genetic factors have been shown to induce uncontrolled proliferation of HMEpC, resulting in breast cancer development [2, 3] . Therefore, understanding the cellular properties of HMEpC will help identify the disease mechanisms in breast cancer and the new targets for therapeutic development. iXCells Biotechnologies offers high quality HMEpC, which are isolated from human breast and cryopreserved at P1, with >0.5 million cells in each vial. HMEpC express cytokeratine-14, -18, and -19. They are negative for HIV-1, HBV, HCV, mycoplasma, bacteria, yeast, and fungi and can further expand for no more than 3 passages in Epithelial Cell Growth Medium (Cat# MD-0041) under the conditions suggested by iXCells Biotechnologies. Figure 1: Phase contrast and cytokeratin 14 (C K 14) staining of HMEpC post recovery

Key elements and design rationale

• Cell identity: Epithelial Cells (Primary Cells)
• Source context: Mammary Gland; Mammary; Integumentary
• Donor background: Age: Postnatal; Gender: Female
• Biosafety level: BSL-2 (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 wound-healing–relevant signaling and extracellular matrix interactions
• 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:BHC18500042

Customization & Add-ons: Can't find the cell line you need—or require a custom cell-based solution for your project? We can help you source the best match or support custom cell line services for diverse research needs, including cell line sourcing and selection (species, tissue, and disease model matching), stable cell line engineering (overexpression, knockdown, or knockout via CRISPR/Cas9, shRNA, or sgRNA), reporter gene integration (GFP, RFP, luciferase, and other fluorescent or bioluminescent constructs), genome editing and knockin (point mutations, tagged endogenous proteins, conditional alleles), inducible expression systems (Tet-On/Off and other regulatable constructs), drug resistance marker selection (puromycin, G418, hygromycin, and others), custom growth and media optimisation for specific assay requirements, scale-up production for high-throughput screening campaigns, and authentication and QC services (STR profiling, mycoplasma testing, viability assessment). Click Talk to a Scientist to submit a request, email us at support@biohippo.com, or explore our Research Services for additional support—our team will follow up with feasibility details and next steps.