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𝐕𝐢𝐬𝐮𝐚𝐥 𝐩𝐚𝐭𝐜𝐡 𝐜𝐥𝐚𝐦𝐩 𝐫𝐞𝐜𝐨𝐫𝐝𝐢𝐧𝐠 𝐢𝐧 𝐥𝐮𝐦𝐛𝐚𝐫 𝐬𝐩𝐢𝐧𝐚𝐥 𝐜𝐨𝐫𝐝 𝐬𝐥𝐢𝐜𝐞𝐬 The mechanisms linking adolescent stress and pain remain poorly understood. This recent study out of University of Cincinnati College of Medicine by Kyle Harbour 𝘦𝘵 𝘢𝘭 investigated the short- and long-term effects of corticosterone (CORT) on the excitability of GABAergic and presumed glutamatergic neurons of the spinal superficial dorsal horn (SDH) in Gad1-GFP mice at postnatal days (P)21-P34. The lumbar spinal cord (L3-L5) was immersed in low melting point agarose and parasagittal slices (~300µm) cut in ice-cold dissection solution using the Campden 7000smz-2 vibrating microtome. Gad1-GFP neurons and non-GFP neurons were identified in laminae I-II via the presence or absence of GFP, and both cell types were visualized for patch-clamp recording via infrared illumination. Amongst several findings, data suggested that Corticosterone evokes slow effects on spontaneous synaptic transmission in the mouse Superficial Dorsal Horn in a sex dependent manner, as evidenced by an increase in mEPSC frequency in males and a decrease in mIPSC amplitude in females when pooling data across cell types. Full paper below. Info on #vibratome: https://lnkd.in/eaqNEeG3 #neuroscience #neurosciences

Effects of Corticosterone on the Excitability of Glutamatergic and GABAergic Neurons of the Adolescent Mouse Superficial Dorsal Horn

Effects of Corticosterone on the Excitability of Glutamatergic and GABAergic Neurons of the Adolescent Mouse Superficial Dorsal Horn

sciencedirect.com

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