Scientific evidence confirms that the production of rennin (chymosin) is specific to the neonatal and infant stages of development, shifting to adult-type pepsinogens as animals mature.
Evidence for · 3
Pepsinogens, progastricsins, and prochymosins: structure, function, evolution, and development.
2002 · cited by 0
States that prochymosin is the main form in the fetus/infant and switches to adult-type pepsinogens during postnatal development.
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More for · 2
Molecular cloning of neonate/infant-specific pepsinogens from rat stomach mucosa and their expressional change during development.
2000 · cited by 0
Confirms that prochymosin genes are expressed only at neonatal/infant stages.
Immunohistochemical study of the ontogeny of prochymosin--and pepsinogen-producing cells in the abomasum of sheep.
2001 · cited by 0
Shows that prochymosin-immunoreactive cells are significantly reduced throughout postnatal growth and are only sparsely found in adults.