THE VITAMIN B12 AND FOLATE PATHOLOGY INVESTIGATION
THE INVESTIGATION OF ERRORS IN PATHOLOGY TESTS
FOR VITAMIN B12 AND FOLATE DEFICIENCY
BY MEANS OF MEDICAL EXPERIMENTS
REFERENCES AND LINKS
VITAMIN B12 REFERENCES
B12 Deficiency References
Part B - Causes

Index

This page contains the following sections:

B - Causes of Vitamin B12 Deficiency

You can go to a section by selecting the link.

Causes of Vitamin B12 Deficiency - Inadequate Intake

Number Article Link
BA01
BA02
BA03
BA04
BA05
BA06
BA07
BA08
BA09
BA10
BA11
BA12
BA13
BA14
BA15
BA16
BA17
BA18
BA19
BA20
BA21
BA22
BA23
BA24
BA25
BA26
BA27
BA28

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Causes of Vitamin B12 Deficiency - Gastrointestinal Malabsorption - Achlorhydria

Number Article Link
BB01
BB02
BB03
BB04

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Causes of Vitamin B12 Deficiency - Gastrointestinal Malabsorption - Pernicious Anaemia

Number Article Link
BC01
Pernicious Anemia, Ban-Hock Toh et al, N Engl J Med NEJM. 1997;337:1441-1448. free abstract only - requires subscription for full article
BC02
Reassessment of the relative prevalences of antibodies to gastric parietal cell and to intrinsic factor in patients with pernicious anaemia: influence of patient age and race, R Carmel, Clin Exp Immunol. 1992 July; 89(1): 74–77.

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Causes of Vitamin B12 Deficiency - Gastrointestinal Malabsorption - Hypothyroid

Number Article Link
BD01
 
BD02
 

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Causes of Vitamin B12 Deficiency - Gastrointestinal Malabsorption - Gastrointestinal Surgery

Number Article Link
BE01
Elevated Methylmalonic Acid and Total Homocysteine Levels Show High Prevalence of Vitamin B12 Deficiency after Gastric Surgery, Anne E. Sumner et al, Annals of Internal Medicine, 1 March 1996, Volume 124 Issue 5, Pages 469-476
BE02
 

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Causes of Vitamin B12 Deficiency - Gastrointestinal Malabsorption - Antacids

Number Article Link
BF01
BF02
Effect of Long-Term Gastric Acid Suppressive Therapy on Serum Vitamin B12 Levels in Patients with Zollinger-Ellison Syndrome, Basel Termanini, American Journal of Medicine, Volume 104, Issue 5, Pages 422-430 (May 1998) free abstract only - requires subscription for full article
BF03
BF04
BF05
BF06

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Causes of Vitamin B12 Deficiency - Gastrointestinal Malabsorption - Metformin

Number Article Link
BG01
Drug Interactions of Medications Commonly Used in Diabetes, Curtis Triplitt, Diabetes Spectrum 19:202-211, 2006
BG02
Increased intake of calcium reverses vitamin B12 malabsorption induced by metformin, WA Bauman et al, Diabetes Care, Vol 23, Issue 9 1227-1231
BG03
BG04
BG05

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Causes of Vitamin B12 Deficiency - Gastrointestinal Malabsorption - Other

Number Article Link
BH01
BH02
BH03

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Causes of Vitamin B12 Deficiency - Defective Transport

Number Article Link
BJ01
Circulating antibody to transcobalamin II causing retention of vitamin B12 in the blood, R Carmel, B Tatsis and L Baril , Blood, Volume 49, Issue 6, pp. 987-1000, 06/01/1977
BJ02
Transcobalamin 776CG polymorphism negatively affects vitamin B-12 metabolism, Kristina M von Castel-Dunwoody et al, American Journal of Clinical Nutrition, Vol. 81, No. 6, 1436-1441, June 2005

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Causes of Vitamin B12 Deficiency - Metabolic Enzyme Deficiency

Number Article Link
BK01
BK02
BK03
BK04
BK05
BK06
BK07
BK08
BK09
BK10
BK11
BK12
BK13
BK14
BK15
BK16
BK17
BK18
BK19
BK20
BK21
BK22
BK23

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Causes of Vitamin B12 Deficiency - Increased Requirement - Pregnancy

Number Article Link
BL01
 
BL02
 

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Causes of Vitamin B12 Deficiency - Increased Requirement - Hyperthyroid

Number Article Link
BM01
 
BM02
 

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Causes of Vitamin B12 Deficiency - Increased Excretion - Liver Disease

Number Article Link
BN01
 
BN02
 

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Causes of Vitamin B12 Deficiency - Destruction by Toxins - Nitrous Oxide

Number Article Link
BP01
BP02
BP03
BP04
BP05

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Causes of Vitamin B12 Deficiency - Destruction by Toxins - Mercury

Number Article Link
BQ01
BQ02

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Causes of Vitamin B12 Deficiency - Destruction by Toxins - Other

Number Article Link
BR01
BR02
 

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