The Taiwan Birth Panel Study: a prospective cohort study for environmentally- related child health
Chia-Jung Hsieh1, Wu-Shiun Hsieh, Yi-Ning Su
1Institute of Occupational Medicine and Industrial Hygiene, National Taiwan University College of Public Health, Taipei, Taiwan. pchen@ntu.edu.tw.
Insights
The Taiwan Birth Panel Study (TBPS) tracks child health and environmental exposures from prenatal stages through early childhood. This research investigates how factors like heavy metals and pesticides impact child development and disease.
Area of Science:
- Environmental Health
- Pediatrics
- Epidemiology
Background:
- Prospective birth cohort study investigating child health and disease development.
- Focuses on in-utero and early childhood environmental exposures.
- Addresses magnitude, timing, susceptibility, delayed effects, and toxicants in child development.
Purpose of the Study:
- To understand the impact of environmental exposures on child health outcomes.
- To investigate prenatal and postnatal factors influencing child development.
- To explore gene-environment interactions in childhood diseases.
Main Methods:
- Enrolled 486 mother-infant pairs from April 2004 to January 2005.
- Collected maternal blood, placenta, cord blood, and urine; child blood, urine, hair, and saliva at various follow-ups.
- Follow-up assessments at birth, 4, 6 months, and 1, 2, 3, and 5 years.
Main Results:
- Focused on child growth, neurodevelopment, behavioral problems, and atopic diseases.
- Investigated prenatal/postnatal factors: smoking, heavy metals, perfluorinated chemicals, pesticides.
- Considered the interaction between environmental factors and genetic influences.
Conclusions:
- Addresses knowledge gaps in low-level, prenatal/postnatal, and multiple exposures.
- Investigates genetic effect modification in environmentally-related childhood diseases.
- Provides insights into the initiation and progression of environmentally-linked childhood illnesses.
Background:
The Taiwan Birth Panel Study (TBPS) is a prospective follow-up study to investigate the development of child health and disease in relation to in-utero and/or early childhood environmental exposures. The rationale behind the establishment of such a cohort includes the magnitude of potential environmental exposures, the timing of exposure window, fatal and children's susceptibility to toxicants, early exposure delayed effects, and low-level or unknown neurodevelopmental toxicants.
Methods:
A total of 486 mother-infant paired was enrolled from April 2004 to January 2005 in this study. Maternal blood before delivery, placenta and umbilical cord blood at birth, and mothers' urine after delivery were collected. The follow-up was scheduled at birth, 4, 6 months, and 1, 2, 3 and 5 years. The children's blood, urine, hair, and saliva were collected at 2 years of age and children's urine was collected at 5 years of age as well. The study has been approved by the ethical committee of National Taiwan University Hospital. All the subjects signed the inform consent on entering the study and each of the follow up.
Results:
Through this prospective birth cohort, the main health outcomes were focused on child growth, neurodevelopment, behaviour problem and atopic diseases. We investigated the main prenatal and postnatal factors including smoking, heavy metals, perfluorinated chemicals, and non-persistent pesticides under the consideration of interaction of the environment and genes.
Conclusions:
This cohort study bridges knowledge gaps and answers unsolved issues in the low-level, prenatal or postnatal, and multiple exposures, genetic effect modification, and the initiation and progression of "environmentally-related childhood diseases."
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