Lisa A Houghton

Summary

Affiliation: University of Otago
Country: New Zealand

Publications

  1. ncbi Estimation of usual intake and food sources of choline and betaine in New Zealand reproductive age women
    Vanessa L Mygind
    Department of Human Nutrition, University of Otago, New Zealand
    Asia Pac J Clin Nutr 22:319-24. 2013
  2. ncbi Unmetabolized folic acid and total folate concentrations in breast milk are unaffected by low-dose folate supplements
    Lisa A Houghton
    Physiology and Experimental Medicine, The Hospital for Sick Children, Toronto, ON, Canada
    Am J Clin Nutr 89:216-20. 2009
  3. ncbi Predictors of vitamin D status and its association with parathyroid hormone in young New Zealand children
    Lisa A Houghton
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    Am J Clin Nutr 92:69-76. 2010
  4. ncbi Long-term effect of low-dose folic acid intake: potential effect of mandatory fortification on the prevention of neural tube defects
    Lisa A Houghton
    Departments of Human Nutrition and Preventive and Social Medicine, University of Otago, Dunedin, New Zealand
    Am J Clin Nutr 94:136-41. 2011
  5. ncbi Vitamin D-fortified milk achieves the targeted serum 25-hydroxyvitamin D concentration without affecting that of parathyroid hormone in New Zealand toddlers
    Lisa A Houghton
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    J Nutr 141:1840-6. 2011
  6. ncbi Periconceptional bread intakes indicate New Zealand's proposed mandatory folic acid fortification program may be outdated: results from a postpartum survey
    Simonette R Mallard
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    BMC Pregnancy Childbirth 12:8. 2012
  7. ncbi Long-term vitamin D3 supplementation is more effective than vitamin D2 in maintaining serum 25-hydroxyvitamin D status over the winter months
    Victoria F Logan
    Department of Human Nutrition, University of Otago, Dunedin 9054, New Zealand
    Br J Nutr 109:1082-8. 2013
  8. ncbi Folate status of reproductive age women and neural tube defect risk: the effect of long-term folic acid supplementation at doses of 140 µg and 400 µg per day
    Nicola A Hursthouse
    Department of Human Nutrition, University of Otago, Dunedin 9054, New Zealand
    Nutrients 3:49-62. 2011
  9. ncbi Folate knowledge and consumer behaviour among pregnant New Zealand women prior to the potential introduction of mandatory fortification
    Simonette R Mallard
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    Asia Pac J Clin Nutr 21:440-9. 2012
  10. ncbi [6S]-5-Methyltetrahydrofolate is at least as effective as folic acid in preventing a decline in blood folate concentrations during lactation
    Lisa A Houghton
    Department of Nutritional Sciences, University of Toronto, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada
    Am J Clin Nutr 83:842-50. 2006

Collaborators

Detail Information

Publications14

  1. ncbi Estimation of usual intake and food sources of choline and betaine in New Zealand reproductive age women
    Vanessa L Mygind
    Department of Human Nutrition, University of Otago, New Zealand
    Asia Pac J Clin Nutr 22:319-24. 2013
    ..Given recent epidemiological evidence suggesting health benefits of increased choline and betaine intakes, recommendations should be made to encourage the consumption of choline and betaine-rich foods...
  2. ncbi Unmetabolized folic acid and total folate concentrations in breast milk are unaffected by low-dose folate supplements
    Lisa A Houghton
    Physiology and Experimental Medicine, The Hospital for Sick Children, Toronto, ON, Canada
    Am J Clin Nutr 89:216-20. 2009
    ..Few data exist on the potential long-term effect of high folic acid intakes on milk folate concentrations, whereas no data are available on the effect of supplemental [6S]-5-methyltetrahydrofolate ([6S]-5-methylTHF)...
  3. ncbi Predictors of vitamin D status and its association with parathyroid hormone in young New Zealand children
    Lisa A Houghton
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    Am J Clin Nutr 92:69-76. 2010
    ..Despite increased awareness of the adverse health effects of low vitamin D status, few studies have evaluated 25-hydroxyvitamin D [25(OH)D] status in young children...
  4. ncbi Long-term effect of low-dose folic acid intake: potential effect of mandatory fortification on the prevention of neural tube defects
    Lisa A Houghton
    Departments of Human Nutrition and Preventive and Social Medicine, University of Otago, Dunedin, New Zealand
    Am J Clin Nutr 94:136-41. 2011
    ..Understanding the full effect of chronic low-dose folic acid is important in interpreting the effect of the mandatory folic acid fortification program in North America...
  5. ncbi Vitamin D-fortified milk achieves the targeted serum 25-hydroxyvitamin D concentration without affecting that of parathyroid hormone in New Zealand toddlers
    Lisa A Houghton
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    J Nutr 141:1840-6. 2011
    ..Our findings indicate that habitual consumption of vitamin D-fortified milk providing a mean intake of nearly 4 μg/d was effective in achieving adequate year-round serum 25(OH)D for most children...
  6. ncbi Periconceptional bread intakes indicate New Zealand's proposed mandatory folic acid fortification program may be outdated: results from a postpartum survey
    Simonette R Mallard
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    BMC Pregnancy Childbirth 12:8. 2012
    ....
  7. ncbi Long-term vitamin D3 supplementation is more effective than vitamin D2 in maintaining serum 25-hydroxyvitamin D status over the winter months
    Victoria F Logan
    Department of Human Nutrition, University of Otago, Dunedin 9054, New Zealand
    Br J Nutr 109:1082-8. 2013
    ..No intervention-related changes in PTH were observed. Daily supplementation of vitamin D3 was more effective than D2; however, the functional consequence of the differing metabolic response warrants further investigation...
  8. ncbi Folate status of reproductive age women and neural tube defect risk: the effect of long-term folic acid supplementation at doses of 140 µg and 400 µg per day
    Nicola A Hursthouse
    Department of Human Nutrition, University of Otago, Dunedin 9054, New Zealand
    Nutrients 3:49-62. 2011
    ..078). In conclusion, the average daily intake of folic acid received from the proposed fortification program would increase RBC folate concentrations in reproductive age women to levels associated with a low risk of NTDs...
  9. ncbi Folate knowledge and consumer behaviour among pregnant New Zealand women prior to the potential introduction of mandatory fortification
    Simonette R Mallard
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    Asia Pac J Clin Nutr 21:440-9. 2012
    ..Nonetheless, mandatory folic acid fortification may be required to attain the desired degree of equity...
  10. ncbi [6S]-5-Methyltetrahydrofolate is at least as effective as folic acid in preventing a decline in blood folate concentrations during lactation
    Lisa A Houghton
    Department of Nutritional Sciences, University of Toronto, The Hospital for Sick Children, 555 University Avenue, Toronto, Ontario M5G 1X8, Canada
    Am J Clin Nutr 83:842-50. 2006
    ..03). CONCLUSION: [6S]-5-MethylTHF appeared to be as effective as, and perhaps more effective than, folic acid in preserving RBC folate concentrations during lactation...
  11. ncbi Delaying mandatory folic acid fortification policy perpetuates health inequalities: results from a retrospective study of postpartum New Zealand women
    Simonette R Mallard
    Department of Human Nutrition, University of Otago, PO Box 56, Dunedin 9054 New Zealand
    Hum Reprod 27:273-82. 2012
    ..The aim of this study was to describe the extent to which a proposed bread fortification mandate would modify these associations...
  12. ncbi The level of serum anti-Müllerian hormone correlates with vitamin D status in men and women but not in boys
    Nicola A Dennis
    Department of Anatomy, Otago School of Medical Sciences, Dunedin 9054, New Zealand
    J Clin Endocrinol Metab 97:2450-5. 2012
    ..The level of serum AMH has a high variance in similar individuals for reasons that are unknown. The AMH gene promoter contains a vitamin D response element that may cause vitamin D status to influence serum AMH levels...
  13. ncbi One-third of pregnant and lactating women may not be meeting their folate requirements from diet alone based on mandated levels of folic acid fortification
    Kelly L Sherwood
    Department of Nutritional Sciences, University of Toronto, Toronto, Canada
    J Nutr 136:2820-6. 2006
    ....
  14. ncbi Quantitation of whole-blood total folate within defined MTHFR C677T genotype groups by isotope dilution-liquid chromatography-tandem mass spectrometry differs from microbiologic assay
    Rosemary A Stamm
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    J Nutr 142:2154-60. 2012
    ..ID-LC-MS/MS procedures have the potential to offer a high degree of accuracy; however, further work is needed to determine the origin of the pyrazino-s-triazine derivative...