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22 in total

1. Effect of proteolytic enzymes on the binding of cobalamin to R protein and intrinsic factor. In vitro evidence that a failure to partially degrade R protein is responsible for cobalamin malabsorption in pancreatic insufficiency.

Authors: R H Allen; B Seetharam; E Podell; D H Alpers
Journal: J Clin Invest Date: 1978-01 Impact factor: 14.808

2. Congenital deficiency of human R-type binding proteins of cobalamin.

Authors: C A Hall; J A Begley
Journal: Am J Hum Genet Date: 1977-11 Impact factor: 11.025

3. Inhibition of cobalamin-dependent enzymes by cobalamin analogues in rats.

Authors: S P Stabler; E P Brass; P D Marcell; R H Allen
Journal: J Clin Invest Date: 1991-04 Impact factor: 14.808

4. Intrinsic factor secretion from isolated gastric mucosal cells of rat and man--two different patterns of secretagogue control.

Authors: W Schepp; S E Miederer; H J Ruoff
Journal: Agents Actions Date: 1984-04

Review 5. Advances in the understanding of cobalamin assimilation and metabolism.

Authors: Edward V Quadros
Journal: Br J Haematol Date: 2009-10-12 Impact factor: 6.998

6. Correction of cobalamin malabsorption in pancreatic insufficiency with a cobalamin analogue that binds with high affinity to R protein but not to intrinsic factor. In vivo evidence that a failure to partially degrade R protein is responsible for cobalamin malabsorption in pancreatic insufficiency.

Authors: R H Allen; B Seetharam; N C Allen; E R Podell; D H Alpers
Journal: J Clin Invest Date: 1978-06 Impact factor: 14.808

7. Crystal structure of human intrinsic factor: cobalamin complex at 2.6-A resolution.

Authors: F S Mathews; M M Gordon; Z Chen; K R Rajashankar; S E Ealick; D H Alpers; N Sukumar
Journal: Proc Natl Acad Sci U S A Date: 2007-10-22 Impact factor: 11.205

Review 8. Genetic disorders of vitamin B₁₂ metabolism: eight complementation groups--eight genes.

Authors: D Sean Froese; Roy A Gravel
Journal: Expert Rev Mol Med Date: 2010-11-29 Impact factor: 5.600

9. Immunohistochemical localisation of vitamin B12 R-binder in the human digestive tract.

Authors: H Kudo; M Inada; G Ohshio; Y Wakatsuki; K Ogawa; Y Hamashima; T Miyake
Journal: Gut Date: 1987-03 Impact factor: 23.059

10. Cobalamin malabsorption in three siblings due to an abnormal intrinsic factor that is markedly susceptible to acid and proteolysis.

Authors: Y M Yang; R Ducos; A J Rosenberg; P G Catrou; J S Levine; E R Podell; R H Allen
Journal: J Clin Invest Date: 1985-12 Impact factor: 14.808