Front Matter

175

Pesticide

Mirex Antiandrogenic

activity; inhibits

production of LH.

Potentially thyroid

Unknown

Nitrofen Thyroid Structural similarities to the

thyroid hormones; nitrofen

or its metabolite may have

thyroid hormone activities

Nonachlor, trans‐ Estrogen Estrogen receptor agonist?

Oxychlordane Reproductive Unknown

Pendimethalin Thyroid Enhances secretion of thyroid

hormone

Pentachloronitrobenzene Thyroid Enhances secretion of thyroid

hormone

Permethrin Estrogenic Unknown

Procymidone Androgen Androgen receptor

antagonist

Prodiamine Thyroid Enhances secretion of thyroid

hormone

Pyrimethanil Thyroid Enhances secretion of thyroid

hormone

Sumithrin Androgen Unknown

Tarstar Thyroid A decrease of thyroid

hormone in serum; direct

effect on the thyroid gland?

Thiazopyr Thyroid Enhances secretion of thyroid

hormone

Thiram Neuroendocrine‐

pituitary (depression of

LH surge), thyroid

(decrease of T4,

increase of TSH

Unknown

Toxaphene Estrogen/Thyroid Unknown

Triadimefon Estrogen Estrogen receptor agonist.

Triadimenol Estrogen Estrogen receptor agonist

Tributyltin Reproductive Unknown

(Continued)

Compound(s) Hormone Mechanism

Table 7.1 (Continued)

Autism and Exposure to Environmental Chemicals