Immunohistochemical study on gastrointestinal endocrine cells of four reptiles

Table 1 Details of antisera and main reagents used

Antisera and reagent	Donor	Code number	Working dilution	Source
Human 5-HT	Rabbit	ZA-0231	1:100	ZYMED Lab. Inc., USA
Human GAS	Rabbit	ZA-0115	1:50	Same as above
Human SS	Rabbit	ZA-0232	1:50	Same as above
Human PP	Rabbit	ZA-0211	1:50	Same as above
Human SP	Rabbit	ZA-0235	Working solution	Same as above
Human GLU	Rabbit	ZA-0119	1:100	Same as above
Human INS	Mouse	ZM-0155	1:50	Same as above
S-P Kit		SP-9001	Working solution	Zhongshan Biotech Co. LTD., Beijing, China
S-P Kit		SP-9002	Working solution	Same as above
DAB		ZLI-9030	0.6 g/L	Same as above

SP-9002 was only used in detecting INS-IR cells.