NTN may refer to: * NTN (TV channel) ( uk, НТН), Ukraine * NTN Buzztime, an entertainment company * NTN Corporation, bearing manufacturer * National Terminal Number * New Telemark Norm, a type of ski binding * Newton railway station, station code "NTN" *

Nike Team Nationals Nike Cross Nationals (NXN) (formerly known as Nike Team Nationals) is an invitational cross country meet that serves as the unofficial team national championship of United States high school cross country. Sponsored by Nike, It was designed to he ...

, a cross-country meet *

Normanton Airport Normanton Airport is an airport in Normanton, Queensland, Australia. A new terminal was opened in February 2006. The airport received $132,100 for security upgrades in 2006. Airlines and destinations See also * List of airports in Queensl ...

, IATA airport code "NTN"

Science

Netrin Netrins are a class of proteins involved in axon guidance. They are named after the Sanskrit word "netr", which means "one who guides". Netrins are genetically conserved across nematode worms, fruit flies, frogs, mice, and humans. Structurally, ...

s or NTN1, class of proteins * Neurotactin, protein now known as CX3CL1 *

Neurturin Neurturin (NRTN) is a protein that is encoded in humans by the ''NRTN'' gene. Neurturin belongs to the glial cell line-derived neurotrophic factor (GDNF) family of neurotrophic factors, which regulate the survival and function of neurons. Neur ...

, glial protein {{disambig