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F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
Bovine β-casomorphin 7 , a casomorphin, has seven amino acids in its peptide sequence .
Casomorphin is an opioid peptide (protein fragment) derived from the digestion of the milk protein casein .[1]
Digestive enzymes can break casein down into peptides that have some biological activity in cells and in laboratory animals though conclusive causal effects on humans have not been established.[1]
Although research has shown high rates of use of complementary and alternative therapies for children with autism, including gluten and/or casein exclusion diets, as of 2008[update] there was a lack of evidence that these diets had any effect.[2]
If opioid peptides breach the intestinal barrier, typically linked to permeability and constrained biosynthesis of dipeptidyl peptidase-4 (DPP4), they can attach to opioid receptors.
Elucidation requires a systemic framework that acknowledges that public-health effects of food-derived opioids are complex with varying genetic susceptibility and confounding factors, together with system-wide interactions and feedbacks.[3]
List of known casomorphins (non-exhaustive) [ edit ]
β-Casomorphins 1–3 [ edit ]
Structure: H-Tyr-Pro-Phe-OH
Chemical formula: C23 H 27 N 3 O 5
Molecular weight: 425.48 g/mol
Bovine β-casomorphins 1–4 [ edit ]
Structure: H-Tyr-Pro-Phe-Pro-OH
Chemical formula: C28 H 35 N 4 O 6
Molecular weight: 522.61 g/mol
Bovine β-casomorphin 1–4, amide [ edit ]
Structure: H-Tyr-Pro-Phe-Pro-NH2
Chemical formula: C28 H 35 N 5 O 5
Molecular weight: 521.6 g/mol
Also known as morphiceptin
Bovine β-casomorphin 5 [ edit ]
Structure: H-Tyr-Pro-Phe-Pro-Gly-OH
Chemical formula: C30 H 37 N 5 O 7
Molecular weight: 594.66 g/mol
Bovine β-casomorphin 7 [ edit ]
Structure: H-Tyr-Pro-Phe-Pro-Gly-Pro-Ile-OH
Chemical formula: C41 H 55 N 7 O 9
Molecular weight: 789.9 g/mol
Bovine β-casomorphin 8 [ edit ]
Structure: H-Tyr-Pro-Phe-Pro-Gly-Pro-Ile-Pro-OH
Chemical formula: C46 H 62 N 8 O 10
Molecular weight: 887.00 g/mol
(Note: There is also a form of bovine β-casomorphin 8 that has histidine instead of proline in position 8, depending on whether it is derived from A1 (His) or A2 (Pro) beta-casein.)
References [ edit ]
^ Keith, Bernard Woodford (2021). "Casomorphins and Gliadorphins Have Diverse Systemic Effects Spanning Gut, Brain and Internal Organs" . Int J Environ Res Public Health . 18 (15 ): 7911. doi :10.3390/ijerph18157911 . PMC 8345738 . PMID 34360205 .
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Casomorphin&oldid=1225263358 "
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● A r t i c l e s n e e d i n g a d d i t i o n a l r e f e r e n c e s f r o m A u g u s t 2 0 0 8
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● T h i s p a g e w a s l a s t e d i t e d o n 2 3 M a y 2 0 2 4 , a t 1 0 : 5 5 ( U T C ) .
● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n .
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