The present invention relates to the field of use of animal cells for producing products containing animal-derived materials in a sustainable manner, preserving natural resources and promoting animal welfare, particularly for production of cell-free collagen and use thereof for forming textile, particularly leather-like textile, food products, particularly cultured meat, cosmetic products, and medical uses.

Provided are siRNAs or chemically-modified siRNAs targeted against ADAMTS-5 or ADAM17 for inhibiting the expression of ADAMTS-5 or ADAM17. Use of the siRNAs for treating an ADAMTS-5 or ADAM17 associated disease, such as arthritis and other inflammation-related diseases, by injecting the siRNAs or preparations comprising the siRNAs into an articular cavity of the patient, are also provided.

Provided are siRNAs or chemically-modified siRNAs targeted against ADAMTS-5 or ADAM17 for inhibiting the expression of ADAMTS-5 or ADAM17. Use of the siRNAs for treating an ADAMTS-5 or ADAM17 associated disease, such as arthritis and other inflammation-related diseases, by injecting the siRNAs or preparations comprising the siRNAs into an articular cavity of the patient, are also provided.