Leptin does not directly affect CNS serotonin neurons to influence appetite.
Leptin does not directly affect CNS serotonin neurons to influence appetite.
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DOI:
10.1016/j.cmet.2011.03.016
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发表时间:
2011-05-04
期刊:
影响因子:
29
通讯作者:
Heisler LK
中科院分区:
文献类型:
--
作者:
Lam DD;Leinninger GM;Louis GW;Garfield AS;Marston OJ;Leshan RL;Scheller EL;Christensen L;Donato J Jr;Xia J;Evans ML;Elias C;Dalley JW;Burdakov DI;Myers MG Jr;Heisler LK
Serotonin (5-HT) and leptin play important roles in the modulation of energy balance. Here we investigated mechanisms by which leptin might interact with CNS 5-HT pathways to influence appetite. Although some leptin receptor (LepRb) neurons lie close to 5-HT neurons in the dorsal raphe (DR), 5-HT neurons do not express LepRb. Indeed, while leptin hyperpolarizes some non-5-HT DR neurons, leptin does not alter the activity of DR 5-HT neurons. Furthermore, 5-HT depletion does not impair the anorectic effects of leptin. The serotonin transporter-cre allele (Sertcre) is expressed in 5-HT (and developmentally in some non-5-HT) neurons. While Sertcre promotes LepRb excision in a few LepRb neurons in the hypothalamus, it is not active in DR LepRb neurons, and neuron-specific Sertcre-mediated LepRb inactivation in mice does not alter body weight or adiposity. Thus, leptin does not directly influence 5-HT neurons and does not meaningfully modulate important appetite-related determinants via 5-HT neuron function.
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影响因子:
16.2
作者:
Dhillon, H;Zigman, JM;Lowelll, BB
通讯作者:
Lowelll, BB
DOI:
10.1073/pnas.96.9.5037
发表时间:
1999-04-27
影响因子:
11.1
作者:
Mao, XH;Fujiwara, Y;Orkin, SH
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影响因子:
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Itakura, Mitsuo
DOI:
10.1002/cne.22025
发表时间:
2009-06-10
期刊:
The Journal of comparative neurology
影响因子:
--
作者:
Scott MM;Lachey JL;Sternson SM;Lee CE;Elias CF;Friedman JM;Elmquist JK
通讯作者:
Elmquist JK
影响因子:
4.8
作者:
de Wall, Esther Van;Leshan, Rebecca;Chua, Streamson C.
通讯作者:
Chua, Streamson C.