Ex vivo & In vitro Pharmacodynamic Evaluation Service Platform

The SMOC Ex vivo & In vitro Pharmacodynamic Service Platform focuses on target validation, drug screening, in vitro functional evaluation of drug candidates, and drug mechanism studies in collaboration with the in vivo pharmacology and efficacy team. The platform is equipped with advanced technologies including high-parameter multi-color flow cytometry, single-plex and multiplex cytokine assays, DNA/RNA-related assays, hematology and blood biochemistry analysis, and Western blotting. In addition, it provides a range of cell-based experimental services such as cell viability assays, ADCC/TDCC, MLR, CDC, and ADC bystander effect assays.
平台配备了全面先进的检测设备

Support multiple types of samples

Capable of processing various complex samples, including bone marrow, cerebrospinal fluid (CSF), plasma treated with different anticoagulants, cell lysates, and cell culture supernatants.

Support trace sample detection

Flow cytometry can detect particles as small as nanometer scale or with a sample volume as low as 10 μL. ELISA can detect biomarkers at the fg/mL level and identify a single positive cell among 200,000–300,000 cells.

Fast and Highly Sensitive Analysis

Flow cytometry acquisition speed reaches up to 30,000 events per second. ELISA supports four-channel fluorescence imaging and brightfield imaging.
Transdermal Mini GFR Monitor,
MediBeacon
MSD SQ120
EnSight
AID ELISPOT
CytoFLEX Flow Cytometer
Rad Source RS2000 XE
Ex vivo Pharmacodynamic Evaluation Service
In vitro Pharmacodynamic Evaluation Service
Pharmacodynamic Studies

Services Project

  • Immune cells analysis
  • Tumour-infiltrating lymphocyte analysis
  • Multi-cytokine analysis
  • Receptor occupancy (RO) analysis

Case Studies

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Fig. FACS detection of immune cell infiltration in subcutaneous graft tumours.(**P<0.01,*P<0.05)

SMOC provides a comprehensive portfolio of predefifined cytokine panels, offffering flflexible selection aligned with drug mechanisms and experimental objectives. Our assays achieve high sensitivity down to 10 pg/mL, with select ultra-sensitive platforms reaching 274 fg/mL. Detection  covers diverse biospecimens—including serum, plasma, tears, aqueous humor, saliva, body cavity lavage flfluids, cell supernatants, and tissue  lysates—across mouse, rat, non-human primate, and human for immunology, oncology, neurology, and functional research.

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Pharmacokinetic Studies

Services Project

  • PK Studies
  • LC/MS Detection of Small Molecule and Peptide Drugs
  • ELISA-Based Detection of Antibody Drugs
  • Abs/ADA Detection

Case Studies

In vitro Pharmacodynamic Evaluation Service provides related cell experimental services such as cell viability testing, ADCC/TDCC assays, mixed lymphocyte reaction (MLR) assays, complement-dependent cytotoxicity (CDC) assays, and antibody-drug conjugate (ADC) bystander assays.

Services Project

  • ADCC/TDCC
  • MLRStudies
  • CDCStudies
  • ADCbystander effect detection

Case Studies

The mixed lymphocyte reaction (MLR) is commonly used to determine the degree of compatibility between the major histocompatibility complex (HLA) antigens of a recipient and a donor. It is a system involving the co-culture of primary dendritic cells (DCs) and T cells, and is frequently used to assess DC-mediated T cell activation.

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Sample: mDC+CD4+T cells+Compound

Vehicle control: mDC+CD4+T cells+Medium

Medium: Medium

Antibody-based therapies often require the use of the complement-dependent cytolysis (CDC) assay to evaluate their efficacy. The CDC assay assesses the ability of a candidate drug to destroy specific target cells through multiple pathways mediated by the complement system.

The CDC assay typically involves incubating target cells, the antibody under test, and serum (as a source of complement) together at 37°C for 1–24 hours, after which the lysed dead cells or live cells can be examined.


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Antibody-dependent cellular cytotoxicity (ADCC) is a key immune mechanism in which effector cells lyse target cells via membrane surface antigens bound by specific antibodies; it also forms the basis for many current antibody therapies.

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When the drug in an ADC is released after being internalized and degraded within the target cell, or when it is released into the extracellular space, it induces bystander killing, which is one of the key mechanisms by which ADCs exert their effects.

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