Lisa A Houghton

Summary

Affiliation: University of Otago
Country: New Zealand

Publications

  1. pmc Nutrient intake values for folate during pregnancy and lactation vary widely around the world
    Rosemary A Stamm
    Department of Human Nutrition, University of Otago, Dunedin 9016, New Zealand
    Nutrients 5:3920-47. 2013
  2. doi request reprint 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
  3. doi request reprint 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
  4. ncbi request reprint 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
  5. pmc 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
  6. doi request reprint 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
  7. pmc Periconceptional bread intakes indicate New Zealand's proposed mandatory folic acid fortification program may be outdated: results from a postpartum survey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
  8. doi request reprint 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
  9. ncbi request reprint [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
  10. ncbi request reprint 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

Collaborators

Detail Information

Publications19

  1. pmc Nutrient intake values for folate during pregnancy and lactation vary widely around the world
    Rosemary A Stamm
    Department of Human Nutrition, University of Otago, Dunedin 9016, New Zealand
    Nutrients 5:3920-47. 2013
    ..Currently, there is no accepted standardized terminology or framework for establishing NIVs. This article reviews country-specific NIVs for folate during pregnancy and lactation and the basis for setting these reference values. ..
  2. doi request reprint 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...
  3. doi request reprint 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)...
  4. ncbi request reprint 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...
  5. pmc 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...
  6. doi request reprint 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...
  7. pmc 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
    ....
  8. doi request reprint 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...
  9. ncbi request reprint [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
    ..No data, however, are available on the effect of supplemental [6S]-5-methylTHF on blood folate concentrations during lactation...
  10. ncbi request reprint 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...
  11. pmc 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...
  12. ncbi request reprint 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
    ....
  13. doi request reprint 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...
  14. doi request reprint 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...
  15. ncbi request reprint Effect of increasing voluntary folic acid food fortification on dietary folate intakes and adequacy of reproductive-age women in New Zealand
    Sophie E Evans
    Department of Human Nutrition, University of Otago, PO Box 56 Dunedin 9054, New Zealand
    Public Health Nutr 17:1447-53. 2014
    ..We sought to evaluate the impact of increased voluntary fortification of bread and the proposed mandatory fortification programme on folate intake adequacy of reproductive-age women...
  16. ncbi request reprint Socio-demographic characteristics associated with unplanned pregnancy in New Zealand: implications for access to preconception healthcare
    Simonette R Mallard
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    Aust N Z J Obstet Gynaecol 53:498-501. 2013
    ..In conclusion, New Zealand women known to have the highest rates of overweight and obesity were also most likely to have unplanned pregnancies, thereby preventing their access to any forthcoming preconception weight loss programs...
  17. ncbi request reprint Maternal factors associated with heavy periconceptional alcohol intake and drinking following pregnancy recognition: a post-partum survey of New Zealand women
    Simonette R Mallard
    Department of Human Nutrition, University of Otago, Dunedin, New Zealand
    Drug Alcohol Rev 32:389-97. 2013
    ..Alcohol consumption during pregnancy places the foetus at risk of Foetal Alcohol Spectrum Disorders. Little is known about the current prevalence and patterns of alcohol consumption before and following pregnancy recognition in New Zealand...
  18. doi request reprint 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...
  19. ncbi request reprint Public health policy to redress iodine insufficiency in pregnant women may widen sociodemographic disparities
    Simonette R Mallard
    Department of Human Nutrition, University of Otago, PO Box 56, Dunedin 9054, New Zealand
    Public Health Nutr 17:1421-9. 2014
    ....