Optogenetics AAV Production Service

Concurrent to the exploration of Adeno-Associated Virus (AAV) used in clinical trials, optogenetics has been rapidly developing as a promising tool in cardiac electrophysiology research. Optogenetics depends on the genetic modification of cells and tissues to induce the expression of light-sensitive opsins for precise bi-directional control of activity. The technique allows for functional manipulation of target cells/tissues with high specificity through genetic modification, in addition to the superior spatiotemporal resolution afforded by optical means. Consequently, the field of optogenetics requires highly efficient transgene delivery vehicles for cardiac applications. Such virally mediated optogenetic manipulations are “scalable” since they permit the parallel investigation of many cells in vitro for high-throughput all-optical cardiac electrophysiology and allow cardiac applications in vivo across different animal species, beyond the common mouse transgenic models.

Besides, vectors derived from AAVs are currently the most promising vehicles for gene delivery to the neural retina. More importantly, subretinal administration of AAVs has been proved to be safe and effective in patients in a number of clinical trials supporting the clinical relevance of this vector. The safety aspects of AAV as a vector are further strengthened by the great versatility of AAV as a vector platform providing many opportunities to engineer this virus to suit particular applications. As there are a large number of naturally occurring AAVs with unique transduction characteristics useful for targeting different cell types, the applications of AAVs grew rapidly in the retina. Sub-retinally delivered naturally occurring AAV serotypes are able to deliver genes to diverse cell types including epithelium, glia, and many types of neurons. This continuous and creative development of AAV vectors provided opportunities to overcome existing challenges in retinal gene therapy.

Our Optogenetics AAV Production Service

QVirus™ Platform has launched a comprehensive AAV packaging service combined with optogenetics. These optogenetics AAV can help researchers monitor and control the activities of individual neurons in living tissue, and precisely measure the manipulation effects in real-time.

Alternative optogenetics gene: Cre, eNpHR3.0, Arch3.0, hChR2 (H134R), hCHETA, hM3D (Gq), hM4D (Gi), Gcamp6s, DTR, Gcamp6f, DTA, etc.

Alternative promoter: CMV - General and strong, CAG - General and strong, CamKII - Neuron specific, Syn - Neuron specific, GFAP - Astrocyte specific, etc.

Applications

  • Gene delivery in vitro
  • Production of animal model
  • Drug screening
  • Gene therapy studies

Features

  • Fast readouts in optogenetics that can keep pace with the optical control by electrical recordings or reporter proteins.
  • Broad range of host and specificity targeting.
  • Long-term stable expression.
  • Safety and low immunogenicity.
  • Stable physical properties.

Our AAV production team has constructed, packaged, and purified thousands of AAVs from small crude scale to large purified scale for worldwide clients in more than a decade. If you have any special requirements, please feel free to contact us.

References
1. Ambrosi C M, et al. Adeno-associated virus mediated gene delivery: Implications for scalable in vitro and in vivo cardiac optogenetic models. Frontiers in physiology, 2019, 10: 168.
2. Duebel J, et al. Optogenetics. Current opinion in ophthalmology, 2015, 26(3): 226.

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