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332920 occurrences (No.57 in the rank) during 5 years in the PubMed. [no cache] 500 found

377) Since synaptic and extrasynaptic GABA(A)Rs of neurons differ in their subunit composition, we hypothesize that GABA(A)Rs of NG2 cells undergo molecular changes during cortical development accompanying the switch of transmission modes.

--- ABSTRACT ---

PMID:24217990 DOI:10.1093/cercor/bht309

2015 Cerebral cortex (New York, N.Y. : 1991)

* Postnatal down-regulation of the GABAA receptor γ2 subunit in neocortical NG2 cells accompanies synaptic-to-extrasynaptic switch in the GABAergic transmission mode.

- NG2 cells, a main pool of glial progenitors, express γ-aminobutyric acid A (GABA(A)) receptors (GABA(A)Rs), the functional and molecular properties of which are largely unknown. We recently reported that transmission between GABAergic interneurons and NG2 cells drastically changes during development of the somatosensory cortex, switching from synaptic to extrasynaptic communication. Since synaptic and extrasynaptic GABA(A)Rs of neurons differ in their subunit composition, we hypothesize that GABA(A)Rs of NG2 cells undergo molecular changes during cortical development accompanying the switch of transmission modes. Single-cell RT-PCR and the effects of zolpidem and α5IA on evoked GABAergic currents reveal the predominance of functional α1- and α5-containing GABA(A)Rs at interneuron-NG2 cell synapses in the second postnatal week, while the α5 expression declines later in development when responses are exclusively extrasynaptic. Importantly, pharmacological and molecular analyses demonstrate that γ2, a subunit contributing to the clustering of GABA(A)Rs at postsynaptic sites in neurons, is down-regulated in NG2 cells in a cell type-specific manner in concomitance with the decline of synaptic activity and the switch of transmission mode. In keeping with the synaptic nature of γ2 in neurons, the down-regulation of this subunit is an important molecular hallmark of the change of transmission modes between interneurons and NG2 cells during development.

--- ABSTRACT END ---

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(2)31 of	(9)7 during	(16)3 over	(23)2 induced
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(6)13 and	(13)3 as	(20)2 can	(27)2 such
(7)8 are	(14)3 by	(21)2 could	(28)2 which

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--- WordNet output for changes --- Overview of noun change The noun change has 10 senses (first 7 from tagged texts) 1. (46) change, alteration, modification -- (an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago") 2. (45) change -- (a relational difference between states; especially between states before and after some event; "he attributed the change to their marriage") 3. (17) change -- (the action of changing something; "the change of government had no impact on the economy"; "his change on abortion cost him the election") 4. (13) change -- (the result of alteration or modification; "there were marked changes in the lining of the lungs"; "there had been no change in the mountains") 5. (2) change -- (the balance of money received when the amount you tender is greater than the amount due; "I paid with a twenty and pocketed the change") 6. (1) change -- (a thing that is different; "he inspected several changes before selecting one") 7. (1) change -- (a different or fresh set of clothes; "she brought a change in her overnight bag") 8. change -- (coins of small denomination regarded collectively; "he had a pocketful of change") 9. change -- (money received in return for its equivalent in a larger denomination or a different currency; "he got change for a twenty and used it to pay the taxi driver") 10. variety, change -- (a difference that is usually pleasant; "he goes to France for variety"; "it is a refreshing change to meet a woman mechanic") Overview of verb change The verb change has 10 senses (first 8 from tagged texts) 1. (57) change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue") 2. (54) change -- (undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night") 3. (13) change, alter, vary -- (become different in some particular way, without permanently losing one's or its former characteristics or essence; "her mood changes in accordance with the weather"; "The supermarket's selection of vegetables varies according to the season") 4. (7) switch, shift, change -- (lay aside, abandon, or leave for another; "switch to a different brand of beer"; "She switched psychiatrists"; "The car changed lanes") 5. (6) change -- (change clothes; put on different clothes; "Change before you go to the opera") 6. (5) change, exchange, commute, convert -- (exchange or replace with another, usually of the same kind or category; "Could you convert my dollars into pounds?"; "He changed his name"; "convert centimeters into inches"; "convert holdings into shares") 7. (3) exchange, change, interchange -- (give to, and receive from, one another; "Would you change places with me?"; "We have been exchanging letters for a year") 8. (3) transfer, change -- (change from one vehicle or transportation line to another; "She changed in Chicago on her way to the East coast") 9. deepen, change -- (become deeper in tone; "His voice began to change when he was 12 years old"; "Her voice deepened when she whispered the password") 10. change -- (remove or replace the coverings of; "Father had to learn how to change the baby"; "After each guest we changed the bed linens") --- WordNet end ---