کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6280349 1615090 2015 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Persistent neuropathic pain increases synaptic GluA1 subunit levels in core and shell subregions of the nucleus accumbens
موضوعات مرتبط
علوم زیستی و بیوفناوری علم عصب شناسی علوم اعصاب (عمومی)
پیش نمایش صفحه اول مقاله
Persistent neuropathic pain increases synaptic GluA1 subunit levels in core and shell subregions of the nucleus accumbens
چکیده انگلیسی
The nucleus accumbens (NAc) is a key component of the brain reward system, and it is composed of core and shell subregions. Glutamate transmission through AMPA-type receptors in both core and shell of the NAc has been shown to regulate reward- and aversion-type behaviors. Previous studies have additionally demonstrated a role for AMPA receptor signaling in the NAc in chronic pain states. Here, we show that persistent neuropathic pain, modeled by spared nerve injury (SNI), selectively increases the numbers of GluA1 subunits of AMPA receptors at the synapse of both core and shell subregions. Such increases are not observed, however, for the GluA2 subunits. Furthermore, we find that phosphorylation at Ser845-GluA1 is increased by SNI at both core and shell subregions. These results demonstrate that persistent neuropathic pain increases AMPA receptor delivery to the synapse in both NAc core and shell, implying a role for AMPA receptor signaling in these regions in pain states.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neuroscience Letters - Volume 609, 16 November 2015, Pages 176-181
نویسندگان
, , , , ,