TECHNOLOGY

TECHNOLOGY

 Structure, Mechanism of Action, KD Action

1. HDO Structure

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1. HDO Structure

HDO is composed as follows. Antisense strand (DNA, Gapmer, PMO etc.): Has a medicinal effectCarrier strand (RNA): Transport active strand (medicina

2. HDO Mechanism of Action(1)

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2. HDO Mechanism of Action(1)

(RNase H-dependent antisense effect)Step 1The HDO carrier strand (RNA) incorporated into the cell is cleaved by RNase H (enzyme).Step 2The antisen

3. HDO Mechanism of Action(2)

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3. HDO Mechanism of Action(2)

(Splicing Control)Step 1HDO enters the cell through some special ligand into the cells.Step 2The carrier stand cleaved by RNase.Step 3The antise

4. Strengths of HDO technology

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4. Strengths of HDO technology

HDO has the following strengths:By linking the ligand to the carrier strand, it is possible to selectively deliver the antisense strand to the diseas

5. Biological activity of HDO

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5. Biological activity of HDO

Comparison of knockdown activity of HDO and ASO in mouse liver

6. Advantages of HDO: Nuclear translocation 

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6. Advantages of HDO: Nuclear translocation 

Right: Strong and distinct nuclear signal of ASO was observed in most HDO-transfected cells.Left: Diffuse or partially scattered weak signal througho

 Reduction of Toxicity

8. Advantages of HDO: Protein binding characteristic(1)

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8. Advantages of HDO: Protein binding characteristic(1)

HDO reduces nonspecific binding to plasma proteins

9. Advantages of HDO: Protein binding characteristic(2)

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9. Advantages of HDO: Protein binding characteristic(2)

10. Advantages of HDO: Effect on blood coagulation

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10. Advantages of HDO: Effect on blood coagulation

11. Advantages of HDO: Nephrotoxicity profile

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11. Advantages of HDO: Nephrotoxicity profile

 Ligands for DDS

12. Development of HDO delivery technology

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12. Development of HDO delivery technology

We are developing HDO delivery technology using ligands. We are focusing on ligand creation in priority areas [lung, skeletal muscle, cardiac muscle,

13. Ligands for glomerular delivery

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13. Ligands for glomerular delivery

14. Ligands for pulmonary delivery

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14. Ligands for pulmonary delivery

15. Ligands for immune system cell delivery

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15. Ligands for immune system cell delivery

16. Delivery to cerebral infarction site

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16. Delivery to cerebral infarction site

 Newly modified nucleic acids

Stereo-controlled Synthesis of Boranophosphate oligomer

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Stereo-controlled Synthesis of Boranophosphate oligomer

Rena has received an exclusive license for the stereo-controlled boranophosphate oligomers and manufacturing method technology invented by Professor