TG or Tg may stand for:
TGV (French: Train à Grande Vitesse, "high-speed train") is France's intercity high-speed rail service, operated by SNCF, the national rail operator.
TG4 (Irish: TG Ceathair; pronounced [tʲeː ɟeː ˈcahəɾʲ] or [tiː d͡ʒiː ˈcahəɾʲ]) is an Irish public service broadcaster for Irish-language speakers.
TGIF is the name of a defunct American prime time television programming block that aired on the American Broadcasting Company (ABC), initially from 1989 to 2000. The name comes from the initials of the popular phrase "Thank God It's Friday"; however, the stars of the lineup touted the abbreviation as meaning "Thank Goodness It's Funny." The block mainly featured situation comedies aimed at a family audience.
The transforming growth factor beta (TGFB) signaling pathway is involved in many cellular processes in both the adult organism and the developing embryo including cell growth, cell differentiation, apoptosis, cellular homeostasis and other cellular functions.
Transforming growth factor beta 1 or TGF-β1 is a polypeptide member of the transforming growth factor beta superfamily of cytokines.
The TGV (Train à Grande Vitesse, French for "High-Speed Train") holds a series of land speed records for rail vehicles achieved by SNCF, the French national railway, and its industrial partners.
Transforming growth factor alpha (TGF-α) is a protein that in humans is encoded by the TGFA gene. As a member of the epidermal growth factor (EGF) family, TGF-α is a mitogenic polypeptide.
TG1 (TeleGiornale 1) is the brand for Italian state-owned TV channel Rai 1's news programmes. They are shown domestically on Rai 1 and across the world on Raitalia, several times throughout the day.