Sirtuin 1 reduces hyaluronan synthase 2 expression by inhibiting nuclear translocation of NF-kB and expression of the long-non coding RNA HAS2-AS1 — SIRT1 reduces HAS2 expression via NF-kB and HAS2-AS1 — Sirtuin 1 reduces hyaluronan synthase 2 expression by inhibiting nuclear translocation of NF-κB and expression of the long-noncoding RNA HAS2–AS1 — SIRT1 reduces HAS2 expression via NF-κB and HAS2–AS1