Human Intestinal Microvascular Endothelial Cells (HIMEC)

Overview

Human Intestinal Microvascular Endothelial Cells (HIMEC) 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 Intestine (Intestinal Microvascular) within the Digestive system.

Endothelial cells lining the microvasculature are known to play a critical “gatekeeper” role in the inflammatory process through their ability to recruit circulating immune cells into tissues and foci of inflammation. Studies show that intestinal microvascular endothelial cells (IMEC) exhibit a strong immune response to LPS challenge and play a critical regulatory role in gut inflammation [1] . Pharmacological inhibition of NOS in activated HIMEC resulted in a significant increase in leukocyte binding [2] . Gene expression profile studies revealed that intestinal endothelial cells express biotinidase, which is involved in biotin recycling [3] . HIMEC cultures have enabled scientists to perform systematic analyses of cytokine profiles with regard to mRNA expression and protein secretion, and to compare these data with cytokine profiles from other endothelial cells. iXCells Biotechnologies provides high quality HIMEC, which are isolated from human intestinal tissue and cryopreserved at P1, with >0.5 million cells in each vial. HIMEC express vWF/Factor VIII, CD31 (PECAM), and Dil-Ac-LDL by uptake. They are negative for HIV-1, HBV, HCV, mycoplasma, bacteria, yeast, and fungi and can further expand no more than 3 passages in Endothelial Cell Growth Media under the condition suggested by iXCells Biotechnologies. Further expansion may decrease the cell purity. Figure legend: (A) Phase contrast image of Human Intestinal Microvascular Endothelial Cells (HIMEC) at DIV4. (B, C) HIMEC are positive for CD31 (B) and vWF/Factor VIII (C) as shown by immunofluorescence staining.

Key elements and design rationale

• Cell identity: Endothelial Cells (Primary Cells)
• Source context: Intestine; Intestinal Microvascular; Digestive
• 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:BHC18500031

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