31. So far, secretin seems promising. 32. Secretin has helped too many children improve for them to stop using it, they say.33. First, parents clamored for the hormone secretin in hopes it would help their autistic children. 34. But in scientific studies, secretin so far has proved no better than a dummy injection. 35. It is also used in diagnosis of gastritis in association with a test for secretin activity. 36. The secretin -receptor family GPCRs include vasoactive intestinal peptide receptors and receptors for 7TM signature. 37. The secretin -induced rapid flow of water results in lower and often unreliable enzyme concentrations. 38. The doctor injected the boy with porcine secretin , a hormone commonly used to assess gastrointestinal problems. 39. However high the hopes, experts warn that secretin is not the first treatment to look promising. 40. Half received a single injection of synthetic human secretin , and the rest were injected with saltwater.
