RNA for use in the treatment of ligament or tendon lesions

1. A method of treating ligament or tendon lesions comprising directly administering to the lesion a liquid composition containing naked RNA, wherein the RNA is solvated in a HEPES buffered glucose solution, and wherein the RNA is a modified mRNA (mmRNA) encoding a polypeptide which is therapeutically active in the healing process of a ligament or tendon.

2. The method of claim 1 , wherein the polypeptide encoded by the mmRNA is selected from the group consisting of platelet-derived growth factor (PDGF), basic fibroblast growth factor (dFGF), insulin-like growth factor 1 (IGF-1), transforming growth factor β1 (TGF-β1) epidermal growth factor (EGF), growth and differentiation factor 5 (GDF5), growth and differentiation factor 6 (BMP-13), growth and differentiation factor 7 (BMP-12), BMP-7 , Early growth response protein-1 (Egr1), Early growth response protein-2 (Egr2), Scieraxis Mohawk and Sox9, FBJ osteosarcoma oncogene B (Fosb), FBJ, osteosarcoma oncogene (c-Fos), Regulator of G protein signaling-1 (Rgs1), Galanin-like peptide (Galp)), NK6 homeobox 1 (Nkx), Similar to ribosomal protein s10 (FQC688706), Similar to testis-specific farnecyl pyrophosphate synthetase, (RGD1565157), Frizzled homolog 9 (Fzd9) Aldehyde oxidase-1 (Aox-1), Selenium binding protein 1 (Selenbp1), Mitogen-activated protein kinase kinase kinase 13 (Map3k13), Aggrecan, Adamts-4, Alox-5, Ptges, iNOS, IL-1, IL-1 receptor antagonist, Angpoietin 1, Angpoietin like 1, Vegf, Pappa, Fmo2, ClqTNF3, Fabp4, Tendomodulin, F2r12, F3, F5, tgf-3, mdk, and bmp-6, keratocan, fibromodulin, coll VIII, coll XI, coll I,Amot, Epha3, Epha4, Fgf-2, Calp6, Enpp2, Fmol-4, MaoB, Nox4, Xdh, Hmoxl, S100a9, Pappa, Arklc14, Arklc19, Gstt2, Gstm5, Gstm7, Hasph1, Hsph8, Hspa1b, Six1,Six2, GDF1-11, GDF15, Smad8, Homer-1b, Metabotropic glutamate receptor type 1, Histamine H2-receptor, Vegetal related, Secreted NK cell receptor 2B4, 5-lipoxygenase, Preproepidermal growth factor, Immunoglobulin lambda-5 chain, Lurnican, Betacellulin, rSec8, Sonic hedgehog, LIM homeobox protein 7, Frizzled, ZOG, Notch 3 protein, Tissue inhibitor of metalloproteinase type 2, N-methyl-D-aspartate receptor subunit 2C, T-cell marker CD2 antigen, Glutamate receptor interacting protein 2, Synapsin 2b, Hepatocyte growth factor, T-cell receptor active beta-chain V-region, Growth factor receptor-hound protein 14, Fibroblast growth factor-3, High-affinity glutamate transporter, and Homeobox protein rPtx2.

3. The method of claim 1 , wherein the concentration of the mmRNA in the composition is between 0.1 and 5.0 μg/μl.

4. The method of claim 1 , wherein the composition is administered to the ligament or tendon by injection.

5. The method of claim 4 , wherein the injection is done by a syringe with a needle having a diameter in the range of 20 G to 27 G.

6. The method of claim 1 , wherein the polypeptide encoded by the mmRNA is selected from the group consisting of: platelet-derived growth factor (PDGF), basic fibroblast growth factor (bFGF), insulin-like growth factor 1 (IGF-1), transforming growth factor β1 (TGF-(β1), epidermal growth factor (EGF), a growth and differentiation factor (GDF), Early growth response protein-1 (Egr1 ), Early growth response protein-2 (Egr2), Scieraxis (SCX) and bone morphogenetic protein (BMP).

7. The method of claim 6 , wherein the GDF is GDF 5, 6 (BMP-13), 7 (BMP-12), or myostatin (GDF-8).

8. The method of claim 6 , wherein the BMP is BMP-7.

9. The method of claim 1 , wherein said liquid composition is to be administered before or during the inflammatory phase which follows the said ligament or tendon lesions.

10. A therapeutic composition containing RNA wherein the RNA is an mmRNA which encodes a polypeptide, which is therapeutically active in the healing process of a ligament or tendon selected from the group consisting of platelet-derived growth factor (PDGF), basic, fibroblast growth factor (bFGF), insulin-like growth factor 1 (IGF-1), transforming growth factor B1 (TGF-B1), epidermal growth factor (EGF), growth and differentiation factor 5 (GDF5), growth and differentiation factor 6 (BMP-13), growth and differentiation factor 7 (BMP-12), BMP-7, Early growth response protein-1 (Egr1), Early growth response protein-2 (Egr2), Scleraxis, Mohawk and Sox9, FBJ osteosarcoma oncogene B (Fosb), FBJ osteosarcoma oncogene (c-Fos), Regulator of G protein signaling-1 (Rgs1), Galalin-like peptide (Gain), NK6homeobox 1 (Nkx), Similar to ribosomal protein s10 (FQC688706), Similar to testis-specific farnecyl pyrophosphate synthetase (RGD1565157), Frizzled homolog 9 (Fzd9), Aldehyde oxidase-1 (Aox-1), Selenium binding protein 1 (Selenbp1), Mitogen-activated protein kinase kinase kinase 13 (Map3k13), Aggrecan, Adamts-4, Alox-5, Ptges, iNOS, IF-1, IF-1 receptor antagonist, Angpoietin 1 , Angpoietin like 1, Vegf, Pappa, Fmo2, ClgTNF3, Fabp4, Tendornodulin, F2r12, F3, F5, mdk, and bmp-6, keratocan, fibromodulin, coll VIII coll XI, coll I,Amot, Epha3, Epha4, Fgf-2, Calp6, Enpp2, Fmol-4, MaoB, Nox4, Xdh, Hmox1, S100a9, Pappa, Arklc14, Arklc19, Gstt2, Gstm5, Gstm7, Hasph1, Hsph8, Hspa1b Six1,Six2, GDF1-11, GDF15, Smad8, Homer-1b, Metabotropic glutamate receptor type 1,Histamine H2-receptor, Vegetal related, Secreted NK cell receptor 2B4, 5-lipoxygenase, Preproepidermal growth factor, Immunoglobulin lambda-5 chain, Fumican, Betacellulin, rSec8, Sonic hedgehog, FIM, Homeobox protein 7, Frizzled, ZQG, Notch 3 protein, Tissue inhibitor of metalloproteinase type 2, N-methyl-D-aspartate receptor subunit 2C, T-cell marker CD2 antigen, Glutamate receptor interacting protein 2, Synapsin 2b, Hepatocyte growth factor, T-cell receptor active beta-chain V-region, Growth factor receptor-bound protein 14, Fibroblast growth factor-3, High-affinity glutamate transporter, and Homeobox protein rPtx2; Wherein the composition is a HEPES buffered glucose solution containing the mmRNA in naked form.