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  4. Selective destruction of medial septal cholinergic neurons attenuates pyramidal cell suppression, but not excitation in dorsal hippocampus field CA1 induced by subcutaneous injection of formalin.

Selective destruction of medial septal cholinergic neurons attenuates pyramidal cell suppression, but not excitation in dorsal hippocampus field CA1 induced by subcutaneous injection of formalin.

Zheng F, Khanna S (2001) Selective destruction of medial septal cholinergic neurons attenuates pyramidal cell suppression, but not excitation in dorsal hippocampus field CA1 induced by subcutaneous injection of formalin. Neuroscience 103(4):985-998. doi: 10.1016/s0306-4522(01)00006-9

Summary: Previously, the authors have shown that an injection of formalin in the hindpaw of rats will excite a select population of CA1 pyramidal cells within a larger suppressed population. This response is accompanied by increased theta activation. The authors selectively eliminated medial septal cholinergic neurons using 192-Saporin (0.4 ┬Ál; Cat. #IT-01) to investigate the role of these neurons in response to a persistent noxious stimulus such as a formalin injection. The data indicate a CA1 network modulated by cholinergic neurons in the medial septal region may influence pyramidal cell theta and pyramidal cell suppression.

Related Products: 192-IgG-SAP (Cat. #IT-01)

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