PT - JOURNAL ARTICLE AU - A M Buchan AU - J M Polak AU - E Solcia AU - C Capella AU - D Hudson AU - A G Pearse TI - Electron immunohistochemical evidence for the human intestinal I cell as the source of CCK. AID - 10.1136/gut.19.5.403 DP - 1978 May 01 TA - Gut PG - 403--407 VI - 19 IP - 5 4099 - http://gut.bmj.com/content/19/5/403.short 4100 - http://gut.bmj.com/content/19/5/403.full SO - Gut1978 May 01; 19 AB - Evidence was obtained by the use of alternate semithin-thin serial secretions for light and electron microsocpy that the I cell is the source of CCK PZ. The antibodies used were raised to a synthetic fragment of the mid part (9-20) of the (1-33) CCK-PZ molecule, and were thus free from any contamination with cross-reacting subpopulations of antibodies that might bind to gastrin.