Human Hepatic Sinusoidal Endothelial Cells (HHSEC, Adult)

Overview

Human Hepatic Sinusoidal Endothelial Cells (HHSEC, Adult) is a cell model used for research applications where physiologically relevant identity and donor background support interpretation of experimental readouts. Human Endothelial Cells derived from Liver (Hepatic Sinusoidal) within the Digestive system.

The human liver contains two distinct types of endothelial cells: vascular endothelial cells and sinusoidal endothelial cells. Human Hepatic Sinusoidal Endothelial Cells (HHSECs) are a specialized subset of microvascular endothelial cells that exhibit a distinct phenotype compared to other endothelial cell types. HHSECs function as antigen-presenting cells, facilitating antigen presentation to CD4+ T cells, and play a crucial role in regulating the immune response within the liver [1] . Additionally, HHSECs contribute actively to liver repair by serving as dynamic regulators that respond promptly and locally to zonal environmental stimuli [2] . iXCells Biotechnologies provides high quality HHSECs, which are isolated from human liver and cryopreserved at P2, with ≥ 0.5 million cells in each vial. These HHSECs express CD31/PECAM-1, VE-Cadherin and von Willebrand Factor (vWF). They are negative for HIV-1, HBV, HCV, mycoplasma, bacteria, yeast, and fungi, and can be further expanded for no more than 3 passages under the conditions suggested by iXCells Biotechnologies. Further expansion may decrease the purity. Figure 1. Phase contrast images of Human Hepatic Sinusoidal Endothelial Cells (HHSEC, Adult). The cells were recovered and seeded at 10,000 cells/cm2 following iXCells’ protocol. The images were taken at the indicated time post-recovery.

Key elements and design rationale

• Cell identity: Endothelial Cells (Primary Cells)
• Source context: Liver; Hepatic Sinusoidal; Digestive
• Donor background: Age: Adult
• 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

Endothelial cells form the inner lining of blood vessels and regulate barrier function, leukocyte trafficking, coagulation balance, and angiogenic remodeling in response to biomechanical and inflammatory cues.

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
• Measure barrier function and inflammatory activation in endothelial monolayers
• Quantify functional responses to defined stimuli relevant to the model system
• Compare baseline phenotype across donors/conditions using gene expression profiling
• Assess adhesion molecule expression and leukocyte interaction under inflammatory cues

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:BHC18500015

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