▁University ▁people <0x0A> </s> ▁Gl ut am ate ▁trans por ters ▁are ▁a ▁family ▁of ▁ne uro trans mit ter ▁trans porter ▁prote ins ▁that ▁move ▁gl ut am ate ▁– ▁the ▁principal ▁exc itat ory ▁ne uro trans mit ter ▁– ▁across ▁a ▁memb rane . ▁The ▁family ▁of ▁gl ut am ate ▁trans por ters ▁is ▁composed ▁of ▁two ▁primary ▁sub classes : ▁the ▁exc itat ory ▁am ino ▁acid ▁trans porter ▁( E A AT ) ▁family ▁and ▁ves icular ▁gl ut am ate ▁trans porter ▁( V GL UT ) ▁family . ▁In ▁the ▁brain , ▁E A AT s ▁remove ▁gl ut am ate ▁from ▁the ▁syn apt ic ▁c left ▁and ▁ex tras yn apt ic ▁sites ▁via ▁gl ut am ate ▁re upt ake ▁into ▁gli al ▁cells ▁and ▁neur ons , ▁while ▁V GL UT s ▁move ▁gl ut am ate ▁from ▁the ▁cell ▁cy top las m ▁into ▁syn apt ic ▁ves icles . ▁Gl ut am ate ▁trans por ters ▁also ▁transport ▁as part ate ▁and ▁are ▁present ▁in ▁virt ually ▁all ▁peri pher al ▁t issues , ▁including ▁the ▁heart , ▁li ver , ▁test es , ▁and ▁b one . ▁They ▁exhib it ▁s tere ose lect ivity ▁for ▁L - gl ut am ate ▁but ▁transport ▁both ▁L - as part ate ▁and ▁D - as part ate . ▁ ▁The ▁E A AT s ▁are ▁memb rane - bound ▁secondary ▁trans por ters ▁that ▁super f icial ly ▁res