Blood folate concentrations analyzed by microbiological assay and chemiluminescent immunoassay methods

Journal of Nutritional Science and Vitaminology

Volumn 58, Issue 1, 2012, Pages 59-62

  Nakazato, Mio ^a   Maeda, Takahiro ^a   Emura, Kosuke ^a   Maeda, Mayu ^a   Tamura, Tsunenobu ^b  

^a NAGASAKI UNIVERSITY   (Japan)

^b UNIVERSITY OF ALABAMA AT BIRMINGHAM   (United States)

Author keywords

Chemiluminescent immunoassay; Erythrocyte; Folate; Microbiological assay; Plasma

Indexed keywords

FOLIC ACID;

ADULT; AGED; CHEMOLUMINESCENT IMMUNOASSAY; ERYTHROCYTE; FEMALE; FOLIC ACID BLOOD LEVEL; HUMAN; IMMUNOASSAY; INTERMETHOD COMPARISON; LACTOBACILLUS RHAMNOSUS; MALE; MICROBIOLOGY; NOTE;

AGED; AGED, 80 AND OVER; ERYTHROCYTES; FEMALE; FOLIC ACID; HUMANS; IMMUNOASSAY; LACTOBACILLUS RHAMNOSUS; LINEAR MODELS; LUMINESCENT MEASUREMENTS; MALE; MIDDLE AGED;

EID: 84862116254     PISSN: 03014800     EISSN: 18817742     Source Type: Journal    
DOI: 10.3177/jnsv.58.59     Document Type: Note

References (14)

1. Tamura T. 1990. Microbiological assay of folates. In: Folic Acid Metabolism in Health and Disease (Picciano MF, Stokstad ELR, Gregory JF III, eds), p 121-137. Wiley-Liss, New York.
2. Gunter EW, Bowman BA, Caudill SP, Twite DB, Adams MJ, Sampson EJ. 1996. Results of an international round robin for serum and whole-blood folate. Clin Chem 42: 1689-1694.
3. Pfeiffer CM, Mindy Zhang M, Lacher DA, Molloy A, Tamura T, Yetley EA, Picciano MF, Clifford L, Johnson CL. 2011. Comparison of serum and red blood cell folate microbiologic assays for national population surveys. J Nutr 141: 1402-1409.
4. Pfeiffer CM, Fazili Z, McCoy L, Zhang M, Gunter EW. 2004. Determination of folate vitamers in human serum by stable-isotope-dilution tandem mass spectrometry and comparison with radioassay and microbiologic assay. Clin Chem 50: 423-432.
5. Clifford AJ, Noceti EM, Block-Joy A, Block T, Block G. 2005. Erythrocyte folate and its response to folic acid supplementation is assay dependent in women. J Nutr 135: 137-143.
6. Shane B, Tamura T, Stokstad ELR. 1980. Folate assay: a comparison of radioassay and microbiological methods. Clin Chim Acta 100: 13-19.
7. Owen WE, Roberts WL. 2003. Comparison of five automated serum and whole blood folate assays. Am J Clin Pathol 120: 121-126.
8. 12. Arch Pathol Lab Med 129: 323-327.
9. 12 and folate assays. J Anal Bio-Sci 31: 291-298.
10. Pfeiffer CM, Fazili Z, Zhang M. 2010. Folate analytical methodology. In: Folate in Health and Disease (Bailey LB, ed), p 517-574. CRC Press, Boca Raton.
11. Tamura T, Freeberg LE, Cornwell PE. 1990. Inhibition by EDTA of growth of Lactobacillus casei in the folate microbiological assay and its reversal by added manganese or iron. Clin Chem 36: 1993.
12. Satterfield MB, Sniegoski LT, Sharpless KE, Welch MJ, Hornikova A, Zhang NF, Pfeiffer CM, Fazili Z, Zhang M, Nelson BC. 2006. Development of a new standard reference material: SRM 1955 (homocysteine and folate in human serum). Anal Bioanal Chem 385: 612-622.
13. O'Broin JD, Temperley IJ, Scott JM. 1980. Erythrocyte, plasma, and serum folate: specimen stability before microbiological assay. Clin Chem 26: 522-524.
14. Bagley PJ, Selhub J. 1998. A common mutation in the methylenetetrahydrofolate reductase gene is associated with an accumulation of formylated tetrahydrofolate in red blood cells. Proc Natl Acad Sci USA 95: 13217-13220.