Category | Biomarker/exposure | Phase 1 | Phase 2 | ||
---|---|---|---|---|---|
Maternal | Neonatal | Maternal | Neonatal | ||
Immune-related factors | Cytokines (IL-2, IL-4, IL-5, IL-6, IL-10, IL-13, IL-1B, INF-γ, TNF-a)a | X | X | X | X |
Chemokines (IL-8, IL-12, IP-10, MCP-1, MIP-1α, MIP-1β, RANTES, GM-CSF, Eotaxin)a | X | X | X | X | |
C-reactive protein (CRP) | X | X | |||
Antibodies to Infectious Agents (CMV-IgG, EBV-IgG, HHV-6-IgG, HSV-1, HSV-2, Influenza A, Influenza B, VZV, Toxo-IgG, Toxo-IgA, Toxo-IgM) | X (Toxo only) | X | |||
Autoantibodies to fetal brain protein | X | X | |||
Immunoglobulins (IgG, IgM, IgA, IgE) | X | X (no IgE) | |||
Additional endogenous factors | Hormones (TSH, SHBG, bioactive androgen) | X | X (TSH only) | X (TSH only) | |
Brain-derived neurotrophic factor (BDNF) | X | X | |||
25(OH)D | X | X | |||
Environmental chemicals | EDCs including: PBDEs (6 of 10 congeners sufficiently detectedb: BB153, BDEs-28, -47, -99, -100, and -15) PCBs (11 of 37 congeners sufficiently detected: 28, 99, 118, 138/158, 153, 170, 180, 187, 194, 196/203, 199) OCPs (2 of 11 pesticides sufficiently detectedb: trans-nonachlor, p,p’-DDE) PFAS (8 measured: Et-PFOSA-AcOH, Me-PFOSA-AcOH, PFHxS, PFNA, PFOA, PFOS sufficiently detectedb; PFDeA and PFOSA examined as binary detect/non-detect variables) | X | |||
Mercury | X | X | |||
Prenatal air pollution exposure: PM2.5, PM10, O3, NO2 | X | ||||
Genetic factors | Candidate genes (HERV-K, BDNF, CD48, ApoE, Ltabtnf1, Apobec3g, OAS1, IL-1α (889), IL-1β (511), IL-6 (174), IFN-γ, IL-10 (1082, 592, 819) | X | X | ||
GWAS | X | X | |||
CNVs | X |