Optogenetics Platform

Optogenetics Platform

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Optogenetics has advanced neuroscience by offering millisecond-precision control over specific neuronal populations. This technique combines optical and genetic methods to express light-sensitive proteins (opsins) in targeted cells, allowing their activity to be instantly turned on or off with specific wavelengths of light.

As a preclinical contract research organization specializing in psychiatric disorders, our optogenetics platform is uniquely positioned to help you validate drug targets and evaluate candidate efficacy. By integrating this powerful technology with our extensive disease-relevant cell and animal models, we provide end-to-end solutions that bridge mechanistic research and drug development.

Fig. 1 Optogenetic stimulation and target output observation in cellular context.Fig. 1 Optogenetic stimulation and target output observation in cellular context. (Kumar, S., & Khammash, M., 2022)

Introduction to Optogenetics Platform

Optogenetics technology features two unique characteristics: high temporal and spatial resolution, and cell-type specificity. Its applications span multiple classic experimental animal species (including fruit flies, nematodes, mice, rats, marmosets, and cynomolgus monkeys, among others) and cover various aspects of neuroscience research. These include fundamental studies of neural circuits, learning and memory research, addiction studies, movement disorders, sleep disorders, Parkinson's disease models, as well as animal models of depression and anxiety.
This technology platform enables experiments and data analysis and processing in optogenetics, fiber photometry (including three-color single-channel and three-color multi-channel), calcium imaging, fine behavioral recording, electrophysiological monitoring and detection, pulse stimulation, and more.

Core Technical Service Capabilities Of Our Optogenetics Platform

Ace Therapeutics provides clients with flexible and customized optogenetics technology solutions. Our capabilities span multiple stages, from viral vector construction to behavioral assessment.

Optogenetic Vector Design & Construction

  • Custom opsin selection: excitatory (ChR2, hChR2(H134R), VChR1) and inhibitory (eNpHR3.0, Arch, NpHR)
  • Multi-wavelength stimulation: blue (470 nm), yellow (580 nm), green (535 nm)
  • Cell-type specific promoters: Thy1, CaMKIIa, GAD
  • Cre/LoxP-dependent DIO/FLEX strategies

Animal Models & Neural Circuit Manipulation

  • Optogenetic Depression/Anxiety Animal Models (Inducible for specific symptoms: anhedonia, despair behavior, psychomotor retardation, etc.)
  • Neural Circuit Manipulation Targeting Specific Brain Regions (e.g., mPFC, NAc, VTA, Hippocampus)

Integrated Experimental Platform

  • Optogenetics-coupled behavioral recording
  • Optogenetics-coupled in vivo multi-channel electrophysiology
  • Fiber photometry-based recording of calcium signaling/neurotransmitters during optogenetics

In Vivo Manipulation & Behavior

  • Stereotaxic virus injection & Fiber implantation
  • Chronic or acute light stimulation protocols
  • Integration with anxiety, depression, and addiction assays

Available Services at Optogenetics Platform

Services Description
Viral Vector Construction & Packaging Custom optogenetic viral vector preparation (AAV / Lentivirus / HSV)
Optogenetic Animal Model Generation Virus injection, fiber optic implantation, behavioral phenotype validation
Optogenetic Behavioral Assays Real-time light stimulation combined with anxiety/depression/learning & memory/social behavior tests
Optogenetic Electrophysiology Recording In vivo multi-channel electrophysiology with simultaneous light stimulation in awake animals
Optogenetic Fiber Photometry Simultaneous recording of neural activity (e.g., GCaMP) and behavior
Data Acquisition & Analysis Behavioral video analysis, electrophysiological signal processing, neural circuit mapping

Why Choose Our Optogenetics Service Platform?

In psychiatric research, accurately modeling pathological states and precisely evaluating the effects of drug interventions are of paramount importance. The advantages of our platform lie in:

Integrated Preclinical CRO Expertise

As a specialist in psychiatry, we offer a seamless transition from cell-based assays to complex animal models of depression, anxiety, and schizophrenia .

High-Titer Viral Systems

We utilize optimized AAV vectors (AAV2/9, AAV5, etc.) with titers exceeding 1E+12 VG/mL to ensure robust and stable expression of opsins in target brain regions.

Precision Surgical Techniques

Our experts utilize high-precision stereotaxic injection and fiber-optic implantation protocols to ensure minimal damage and maximum targeting accuracy .

Functional Validation

Beyond behavior, we provide electrophysiological recordings and calcium imaging to verify the functional impact of optogenetic manipulation in real-time .

Frequently Asked Questions

What is the difference between ChR2 and eNpHR3.0?

ChR2 (Channelrhodopsin-2) is used for neuronal excitation via blue light (470nm), while eNpHR3.0 (Halorhodopsin) is used for neuronal inhibition via yellow light (590nm)

How long after virus injection can behavior tests begin?

Typically, optimal opsin expression is achieved within 2-4 weeks post-injection, depending on the promoter and viral serotype used.

Can you perform optogenetics in free-moving animals?

Yes, our platform is equipped for wireless or tethered fiber-optic stimulation in freely behaving mice and rats.

References

  1. Kumar, S., & Khammash, M. Platforms for optogenetic stimulation and feedback control. Frontiers in bioengineering and biotechnology. (2022).10, 918917.
  2. Papp, Mariusz, et al. Optogenetic stimulation of transmission from prelimbic cortex to nucleus accumbens core overcomes resistance to venlafaxine in an animal model of treatment-resistant depression. Progress in Neuro-Psychopharmacology and Biological Psychiatry. 123 (2023): 110715.

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