LHON Gene Therapy Study: ND4 Allotopic Expression in HEK-293 Cells

Comprising experimental results from a study screening five mitochondrial targeting signal sequences to optimize allotopic expression of the ND4 gene in a HEK-293 cellular model of Leber's hereditary optic neuropathy. The research identified the MTS-cox8k construct as most effective, reporting specific quantitative outcomes including a 72% decrease in reactive oxygen species and a 38% increase in mitochondrial membrane potential. The data is presented in a 898.3 KB PDF file authored by Evgeniy V. Lapshin.

Use Cases

• Analyze the comparative efficacy of the five screened MTS sequences for restoring mitochondrial function in the HEK-293 model.
• Model the relationship between the reported mitochondrial membrane potential (ΔΨm) increase and the decrease in reactive oxygen species levels.
• Validate the reported 47% reduction in mitochondrial calcium levels against other cellular models of the mt.11778G>A mutation.
• Benchmark the performance of the MTS-cox8k construct against other gene therapy strategies for mitochondrial disorders.

Strengths

• Reports specific, quantified therapeutic outcomes: 72% decrease in reactive oxygen species, 47% drop in mitochondrial calcium, and 38% increase in mitochondrial membrane potential.
• Focuses on a well-defined cellular model (HEK-293 cells harboring the prevalent mt.11778G>A LHON mutation).
• Compares five distinct mitochondrial targeting signal sequences to identify an optimal construct.

Limitations

• The underlying structured data (e.g., raw measurements, column definitions) is embedded within a 898.3 KB PDF report and not provided as a separate, machine-readable table.
• The sample scope is limited to a single cellular model (HEK-293), which may not capture the full complexity of in vivo systems.
• The dataset size is small (898.3 KB), indicating a focused study rather than a large-scale data resource.

Provenance

Source

figshare, authored by Evgeniy V. Lapshin.

Collection Method

Experimental study screening MTS sequences in a HEK-293 cellular model of LHON.

Freshness

Last updated on 2026-03-20.