ˈɔːlsoʊ, ðɛɹˌɑːɹ ˈʌðɚ nˌʊɹɹətɹˈoʊfɪk fˈæktɚz stɹˈʌktʃɚɹəli ɹᵻlˈeɪɾᵻd tʊ ˌɛndʒˌiːˈɛf: bˌiːdˌiːˌɛnˈɛf fɔːɹ bɹˈeɪndᵻɹˈaɪvd nˌʊɹɹətɹˈoʊfɪk fˈæktɚ, ˌɛntˈiː θɹˈiː fɔːɹ nˌʊɹɹətɹˈoʊfɪn θɹˈiː ænd ˌɛntˈiː fˈoːɹ fɔːɹ nˌʊɹɹətɹˈoʊfɪn fˈoːɹ.
Also, there are other neurotrophic factors structurally related to NGF: BDNF (for Brain-Derived Neurotrophic Factor), NT-3 (for Neurotrophin-3) and NT-4 (for Neurotrophin-4).