Table 1.

Details of antibodies used for immunohistochemistry

Combined antibodies	Resource	Mono-or polyclonal antibodies	Host	Dilution
ACK2/anti-NOS	Gibco BRL, Gaithersburg, MD, USA/Piers Emson, Mol. Sci. Group, Cambridge, UK	Mono/Poly	Rat/sheep	1:200/1:200
ACK2/antivAChT	Gibco-BRL, Gaithersburg, MD,USA/Chemicon Inc. Temecula, CA, USA	Mono/Poly	Rat/goat	1:200/1:200

ACK2, anti c-Kit; NOS, nitric oxide synthase; vAChT, vesicular acetylcholine transporter.