Vitamin B12 absorption and malabsorption
Vitam Horm. 2022;119:241-274. doi: 10.1016/bs.vh.2022.01.016. Epub 2022 Mar 1.ABSTRACTVitamin B12 is assimilated and transported by complex mechanisms that involve three transport proteins, intrinsic factor (IF), haptocorrin (HC) and transcobalamin (TC) and their respective membrane receptors. Vitamin deficiency is mainly due to inadequate dietary intake in vegans, and B12 malabsorption is related to digestive diseases. This review explores the physiology of vitamin B12 absorption and the mechanisms and diseases that produce malabsorption. In the stomach, B12 is released from food carrier proteins and binds to HC. The degr...
Source: Vitamins and Hormones - March 26, 2022 Category: Endocrinology Authors: Jean-Louis Gu éant Rosa-Maria Gu éant-Rodriguez David H Alpers Source Type: research
Vitamin B12 absorption and malabsorption
Vitam Horm. 2022;119:241-274. doi: 10.1016/bs.vh.2022.01.016. Epub 2022 Mar 1.ABSTRACTVitamin B12 is assimilated and transported by complex mechanisms that involve three transport proteins, intrinsic factor (IF), haptocorrin (HC) and transcobalamin (TC) and their respective membrane receptors. Vitamin deficiency is mainly due to inadequate dietary intake in vegans, and B12 malabsorption is related to digestive diseases. This review explores the physiology of vitamin B12 absorption and the mechanisms and diseases that produce malabsorption. In the stomach, B12 is released from food carrier proteins and binds to HC. The degr...
Source: Vitamins and Hormones - March 26, 2022 Category: Endocrinology Authors: Jean-Louis Gu éant Rosa-Maria Gu éant-Rodriguez David H Alpers Source Type: research
Vitamin B12 absorption and malabsorption
Vitam Horm. 2022;119:241-274. doi: 10.1016/bs.vh.2022.01.016. Epub 2022 Mar 1.ABSTRACTVitamin B12 is assimilated and transported by complex mechanisms that involve three transport proteins, intrinsic factor (IF), haptocorrin (HC) and transcobalamin (TC) and their respective membrane receptors. Vitamin deficiency is mainly due to inadequate dietary intake in vegans, and B12 malabsorption is related to digestive diseases. This review explores the physiology of vitamin B12 absorption and the mechanisms and diseases that produce malabsorption. In the stomach, B12 is released from food carrier proteins and binds to HC. The degr...
Source: Vitamins and Hormones - March 26, 2022 Category: Endocrinology Authors: Jean-Louis Gu éant Rosa-Maria Gu éant-Rodriguez David H Alpers Source Type: research
Vitamin B12 absorption and malabsorption
Vitam Horm. 2022;119:241-274. doi: 10.1016/bs.vh.2022.01.016. Epub 2022 Mar 1.ABSTRACTVitamin B12 is assimilated and transported by complex mechanisms that involve three transport proteins, intrinsic factor (IF), haptocorrin (HC) and transcobalamin (TC) and their respective membrane receptors. Vitamin deficiency is mainly due to inadequate dietary intake in vegans, and B12 malabsorption is related to digestive diseases. This review explores the physiology of vitamin B12 absorption and the mechanisms and diseases that produce malabsorption. In the stomach, B12 is released from food carrier proteins and binds to HC. The degr...
Source: Vitamins and Hormones - March 26, 2022 Category: Endocrinology Authors: Jean-Louis Gu éant Rosa-Maria Gu éant-Rodriguez David H Alpers Source Type: research
Vitamin B12 absorption and malabsorption
Vitam Horm. 2022;119:241-274. doi: 10.1016/bs.vh.2022.01.016. Epub 2022 Mar 1.ABSTRACTVitamin B12 is assimilated and transported by complex mechanisms that involve three transport proteins, intrinsic factor (IF), haptocorrin (HC) and transcobalamin (TC) and their respective membrane receptors. Vitamin deficiency is mainly due to inadequate dietary intake in vegans, and B12 malabsorption is related to digestive diseases. This review explores the physiology of vitamin B12 absorption and the mechanisms and diseases that produce malabsorption. In the stomach, B12 is released from food carrier proteins and binds to HC. The degr...
Source: Vitamins and Hormones - March 26, 2022 Category: Endocrinology Authors: Jean-Louis Gu éant Rosa-Maria Gu éant-Rodriguez David H Alpers Source Type: research
