Nexus

Proteomics Services

Omycx

Decoding health, disease and therapeutic response through proteomics.


Omycx compares healthy and disease biology in human-relevant models, generates proteomic signatures, and evaluates how therapeutics modify them so you can predict translatability before the clinic.

The Translational Gap

Human biology is diverse.
Most preclinical models are not.

Many preclinical models fail to capture the biological diversity and disease heterogeneity of real human systems, a major reason candidates that look promising early go on to fail in translation.

Omycx closes that gap. It uses high-dimensional proteomics to define therapeutic profiles in human-relevant disease models, benchmarks novel therapeutics (compounds and biologics) against clinical gold standards, and gives drug developers a clearer read on how a candidate will behave in people, thus supporting drug discovery, safety assessment and biomarker strategy.


How Omycx works

From biological diversity to therapeutic insight in four steps.

1.

Biological diversity

Every donor has a unique biological profile, reflecting the natural diversity of human biology.

2.

Comparative biology

Healthy and disease biology are compared to reveal the molecular changes that define disease and therapeutic response.

3.

Proteomic signatures

Disease focused proteomic panels are used to create distinctive signatures that define biological state.

4.

Therapeutic profiling

Signatures reveal how therapeutics modify biology and compare against clinical reference profiles.

Human Disease Models: 5 Core Areas

Omycx® compares the immune response to a therapeutic in healthy and disease state cells across therapeutically relevant disease areas. Using healthy and disease biospecimens captures human heterogeneity enabling more representative evaluation of therapeutic performance.

Cells and their secretome are profiled under therapeutic treated and untreated conditions to generate comparative proteomic signatures, with drug responses benchmarked against clinical reference therapeutics to support translational decision making.

The Platform

Built on Olink proximity extension assay technology

Multiplexed, high-sensitivity protein quantification from just 1 µL of sample, across a broad dynamic range. Reported as Normalised Protein eXpression (NPX) on a log₂ scale. Disease focused panels of 45 or 92 analytes.

Five core primary cell disease areas:

  • Inflammation
  • Autoimmunity
  • Oncology
  • Fibrosis
  • Neuroinflammation
45

immune analytes per panel

5

core human disease models

1
µL

sample volume required

Olink

PEA quantification platform

See Omyx in Action

A real Omycx data package

Proteomic profiling of five immuno-modulating small molecules in a two-way Mixed Lymphocyte Reaction (MLR), on the Olink Target 48 Cytokine panel. Use this approach to assess immuno-modulation of T cells and antigen presenting cells. This is the depth of evidence you receive, explore it below.

Experiment: 2-Way MLR Platform: Olink PEA
Readout: NPX (log₂)
Sample: cell culture supernatant, 1 µL

2-Way MLR

The two-way mixed lymphocyte reaction (MLR) induces allogeneic immune activation through direct cell-cell interactions, antigen presentation, and endogenous cytokine signalling, resulting in a polyclonal T cell response that simultaneously engages multiple immune pathways. The resulting proteomic profile reflects a broad activation state while preserving inter-donor variability.

Olink

Proximity Extension Assay (PEA) technology enables multiplexed protein quantification from 1 µL of sample with high sensitivity across a broad dynamic range. The Olink Target 48 Cytokine panel measures 45 immune mediators; interleukins, chemokines, interferons, and growth factors.

Profiling across a concentration series enabled characterisation of both the primary treatment effect and any concentration-dependent regulation at the protein level. Data are reported in Normalised Protein eXpression (NPX) units on a log2 scale; fold changes are calculated relative to the matched vehicle control for each compound.

Readout

NPX (log₂)

Experiment type

2-Way MLR

Platform

Olink PEA

Analytes

45

Sample / Volume

Cell culture supernatant · 1 µL/sample

Panel

Target 48 Cytokine

This report focuses on the small-molecule arm of the experiment, including kinase inhibitors and broad-spectrum immunosuppressants. Each compound is paired with a matched vehicle control.

TABLE 1 Compound targets, mechanisms, and indications
CompoundTarget / MoAClassIndication
Cyclosporin ACalcineurin inhibitorBroad
Rheumatoid arthritisatopic dermatitispsoriasis
MethotrexateDHFR inhibitorSuppress
Leukaemia/lymphomapsoriasisCrohn's disease
PrednisoloneGlucocorticoid receptor agonistBroad
Severe inflammationasthmaarthritis
RapamycinSerine/threonine protein kinase inhibitorInhibitor
Prevention of transplant rejection
TofacitinibJAK1/3 inhibitorInhibitor
Rheumatoid arthritisulcerative colitisankylosing spondylitis

Class labels: Suppress = targeted immunosuppression; Broad = broad-spectrum immunosuppression; Inhibitor = targeted pathway inhibition.

The Olink Target 48 Cytokine panel measures 45 proteins across four functional groups: cytokines, chemokines, growth factors and tissue-repair mediators, and tissue-remodelling and stress-response markers. Panel composition is shown in the table below.

TABLE 2 Olink Target 48 Cytokine - analytes
Functional groupAnalytes
Cytokines
FLT3LGCSF3CSF2IFNGIL1BIL2IL4IL6IL7IL10IL13IL15IL17AIL17CIL17FIL18IL27IL33LTACSF1OSMTNFTNFSF10TSLPTNFSF12
Chemokines
CCL2CCL3CCL4CCL7CCL8CCL11CCL13CCL19CXCL8CXCL9CXCL10CXCL11CXCL12
Growth Factors & Tissue Repair
HGFEGFTGFAVEGFA
Tissue Remodelling & Stress Response
MMP1MMP12OLR1

Each point represents one sample projected into two dimensions from the full 45-protein cytokine profile. The treatment-coloured panel shows whether samples cluster by small-molecule compound; the donor-coloured panel shows the degree of inter-donor variation.

FIG. 4 Sample embedding - treatment vs donor colouring

Axes: dimensionality reduction coordinates. Panels show the small-molecule subset only; matched vehicle controls are shown with their associated compounds.

FIG. 6 Volcano - differential protein expression by compound (click: lock & show detail)
SMALL MOLECULES
BIOLOGICS
PROTEIN INFORMATION
- click to explore -
adj. p < 0.05, |ΔNPX| ≥ 0.5
Upregulated
Downregulated
Below threshold

Model: NPX ~ TreatmentGroup + log₁₀(conc) + (1|Donor). The treatment coefficient tests whether the drug differs from its matched control across the assayed concentration range, accounting for inter-donor variation. X = modelled NPX difference vs control; Y = -log₁₀(BH FDR-adjusted p). Significance requires adj. p < 0.05 and |ΔNPX| ≥ 0.5. Click a protein to load per-donor dose-response curves.

The clustered heatmap compares small-molecule signatures across the full protein panel. Switch between raw ΔNPX (NPX difference vs. matched control) and row z-score (each protein mean-centred across small molecules).

FIG. 7 Heatmap - NPX difference by protein and compound

ΔNPX vs. matched control. Colour scale clipped at the 95th percentile of absolute values. Rows and columns are hierarchically clustered.

The network below maps the measured proteins onto their associated biological pathways. Each protein node is positioned in the inner ring; pathway nodes occupy the outer ring. Edge thickness shows the number of pathways shared between connected proteins - thicker edges indicate more co-enriched processes. Node colour shows direction of regulation relative to control (teal: upregulated, navy: downregulated, grey: below threshold).

SMALL MOLECULES
BIOLOGICS
Click a pathway node to explore

Results across the small-molecule compounds are summarised below using the primary mixed-effects model.

TABLE 3 Results summary by compound

Loading summary...

Cyclosporin A showed a consistent downward trend in CCL2, CCL7, CCL8, CXCL10, and IL-17A across all three donor-pair combinations, though the mixed-effects model did not reach significance overall.

Methotrexate primarily suppressed the IL-17 inflammatory axis, including IL-17A/F, IL-13, CXCL10, OSM, and IFN-γ. This is consistent with published evidence that methotrexate can reduce IL-17 expression at the transcript level1.

Rapamycin showed a chemokine-centred profile, with reduced CCL2, CCL7, and CCL8. This aligns with the known effects of mTOR inhibition on monocyte chemokine secretion through NF-κB/MAPK signalling2.

Tofacitinib reduced IFN-γ and IL-17, consistent with published human CD4+ T-cell evidence that JAK inhibition with tofacitinib/CP-690,550 suppresses IFN-γ and IL-17 production3,4.

Prednisolone reduced IL-13, IL-17A/F, HGF, and OSM, while increasing IL-10, CCL11, CCL13, CSF3, and IL-27.

  1. Li Y, Jiang L, Zhang S, Yin L, Ma L, He D, Shen J. Methotrexate attenuates the Th17/IL-17 levels in peripheral blood mononuclear cells from healthy individuals and RA patients. Rheumatology International. 2012;32(8):2415-2422. Epub 2011 Jun 21. doi: 10.1007/s00296-011-1867-1. PMID: 21691744. (The abstract reports dose-dependent suppression of IL-17 at the mRNA level, but not at the protein level, in PBMCs.)
  2. Lin HY, Chang KT, Hung CC, Kuo CH, Hwang SJ, Chen HC, Hung CH, Lin SF. Effects of the mTOR inhibitor rapamycin on monocyte-secreted chemokines. BMC Immunology. 2014;15:37. Published 2014 Sep 26. doi: 10.1186/s12865-014-0037-0. PMID: 25257976.
  3. Ghoreschi K, Jesson MI, Li X, Lee JL, Ghosh S, Alsup JW, Warner JD, Tanaka M, et al. The JAK inhibitor tofacitinib regulates synovitis through inhibition of interferon-γ and interleukin-17 production by human CD4+ T cells. Arthritis & Rheumatism. 2012;64(6):1790-1798. doi: 10.1002/art.34329. PMID: 22147632.
  4. Maeshima K, Yamaoka K, Kubo S, Nakano K, Iwata S, Saito K, Ohishi M, Miyahara H, et al. Inhibitory effects of the JAK inhibitor CP690,550 on human CD4(+) T lymphocyte cytokine production. BMC Immunology. 2011;12:51. doi: 10.1186/1471-2172-12-51. PMID: 21884580.

Data packages built for decisions, not just data

Drug Profiling

Concentration-dependent biomarker responses for each therapeutic.

Benchmark analysis

How your drug works compared to clinical therapeutics or in drug combinations.

Biological Pathways

Drug mechanisms of action in health and disease. Gain insights from diseased donors proteomic signatures.

Drug differentiation

Data packages that highlight how your therapeutic differs from current treatment.

Why Nexus Bioquest

Turning proteomic data into confident decisions

Omycx pairs high-dimensional proteomics with the scientific depth of a large CRO and the speed and flexibility of a specialist team. Our scientists don't just return data, they interpret it, benchmark it, and tell you what it means for your programme. Five core primary cell disease models:

Evaluate your therapeutic in human-relevant biology

Talk to a scientist about profiling your programme with Omycx or request the full example data package.

Proteomics across the drug development pipeline

Olink-based proteomics also supports in vivo and clinical programmes and sits within Nexus BioQuest's wider immunology CRO suite.

Proteomics for in vivo studies

Extend proteomic profiling into your animal models.

Clinical & translational proteomics

Carry signatures through into clinical programmes.

The full immunology CRO suite

Flow, imaging, MSD, functional assays and more.

Speak to a Scientist

Learn how the Nexus BioQuest team can help with your pre-clinical drug discovery programs.

Schedule a call