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IEC-HS Immunophenotyping Service

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Background

Fig.1 Experiments. (Creative Biolabs Original)

Immune effector cell-associated HLH-like syndrome (IEC-HS) represents a hyperinflammatory immune dysregulation event triggered by intensive cellular activation in the context of adoptive immunotherapy, such as CAR-T cell administration. While cytokine profiling offers a snapshot of soluble inflammatory mediators, comprehensive characterization of cellular actors—particularly the phenotypic status of innate and adaptive immune cells—is essential for understanding the initiation, propagation, and resolution of HLH-like cascades.

Creative Biolabs offers a dedicated IEC-HS Immunophenotyping Service designed to unravel the dynamic cellular landscape underlying IEC-HS, providing insight into immune activation signatures, cellular exhaustion, myeloid skewing, and lymphoid subset imbalances through high-dimensional and customized flow cytometry platforms.

Service Overview

Our service enables multiparametric immunophenotyping of immune populations involved in IEC-HS-like immune overactivation, using validated antibody panels and optimized protocols across human and murine systems. The service is compatible with a variety of sample sources and experimental models.

Sample Types Supported

  • Peripheral blood mononuclear cells (PBMCs)
  • Bone marrow and splenocytes
  • Engineered co-culture models (e.g., CAR-T + macrophages)
  • Single-cell suspensions from solid tissues or ascites
  • Preclinical animal models or in vitro inflammation systems

Detection Platforms

  • High-parameter flow cytometry (up to 30+ markers)
  • Spectral flow cytometry (on request)
  • Intracellular and surface staining
  • Dead cell exclusion and viability profiling

Panel Scope (Customizable)

  • Effector and memory T cell subsets (CD4⁺, CD8⁺, Treg)
  • NK/NKT cell activation and degranulation markers
  • Monocyte/macrophage polarization states
  • Myeloid-derived suppressor cells (MDSCs)
  • Activation/exhaustion markers (PD-1, LAG-3, TIM-3, CD25, HLA-DR)
  • HLH-related markers such as perforin, granzyme B, CD163, CD38, CD14/CD16 ratio
  • Optional addition of proliferation (Ki-67) or intracellular cytokines upon stimulation

Workflow

Fig.2 Workflow of this service. (Creative Biolabs Original)

Highlights

HLH-Focused Immunophenotyping Expertise

Deep understanding of the cell types and immune circuits relevant to HLH-like toxicity.

Customizable Marker Panels

Tailored for specific CAR constructs, animal models, or intervention strategies.

Cross-Platform Compatibility

Supports both in vitro and in vivo studies, including longitudinal immune monitoring.

High-Resolution Insights

Ability to detect subtle activation shifts and rare populations driving inflammatory dysregulation.

Data-Driven Interpretation

Results contextualized within the broader IEC-HS toxicity mechanism framework.

FAQs

Q1: Can you help design a panel specific to my CAR construct?

A1: Yes. We routinely design panels to reflect the signaling architecture and immune consequences of specific CAR designs.

Q2: Do you offer murine-compatible immunophenotyping?

A2: Absolutely. We offer fully validated mouse antibody panels, including Ly6C/G, CD11b, F4/80, and others relevant to HLH-like responses.

Q3: What is the minimum sample size required?

A3: Typically, 0.5–1 million viable cells per sample are sufficient for standard panels; fewer may suffice depending on targets.

Q4: Do you provide downstream integration with cytokine data?

A4: Yes. Our services are modular but interoperable—we can correlate cellular phenotypes with soluble cytokine profiles from the same sample set.

Partner with Us to Advance Immunotoxicity Discovery

Creative Biolabs brings together advanced cytometry technology, immune mechanistic expertise, and customized experimental design to support your IEC-HS research. Our Immunophenotyping Service empowers you to dissect cellular contributors to HLH-like immune perturbations and enables precise modeling of immunotoxic events in CAR-T development pipelines.

Let us help you reveal the cellular fingerprint of IEC-HS.

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All products and services are For Research Use Only and CANNOT be used in the treatment or diagnosis of disease.

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