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Thyroid Hormone Control of Brain and Motor Development: Molecular, Neuroanatomical, and Behavioral Studies

  • S. A. Stein
  • P. M. Adams
  • D. R. Shanklin
  • G. A. Mihailoff
  • M. B. Palnitkar
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 299)

Abstract

Thyroid hormones, T3 and T4, have been shown to play significant but poorly understood roles in development and differentiation of rodent and human brain(Lauder, 1989; Legrand, 1982–83; Stein et al, 1989a; 1991a,d; Eayrs, 1968; Morreale de Escobar et al, 1984; Garza et al, 1988; Ruiz-Marcos, 1989; Nunez et al, 1989). Hypothyroidism leads to molecular(Stein et al, 1989a,c; 1991a; Nunez et al, 1989; Hendrich et al, 1987), neuroendocrinological(Noguchi et al, 1986, Bakke et al, 1975, Stein et al, 1989b, Porterfield et al, 1981), neuroanatomical(Lauder et al, 1986; Lauder, 1989; Ruiz-Marcos, 1989; Eayrs, 1955; Garza et al, 1988; Morreale de Escobar et al, 1989; Marc et al, 1985; Legrand, 1982–83; Rami et al, 1986b; Narayanan et al, 1985; Marinesco, 1924; Lotmar, 1928; Rosman, 1975), behavioral and neuropsychological(Adams et al, 1989,1991; Anthony et al, 1991; Eayrs, 1968; Davenport et al, 1976; Klein, 1985; Rovet et al, 1987; Rovet, 1989; Man, 1971; Boyages et al, 1988; Pharoah,1984), and neurological abnormalities(Chaouki et al, 1989; Boyages et al, 1988; Delong et al, 1985; Nelson et al, 1986; Macfaul et al; 1978; Stein et al, 1991d, Rochiccioli et al, 1989) in the developing brain. Specifically, disorders of neuronal process growth and connectivity are noted neuroanatomically and motor syndromes involving motor cortex and pyramidal tracts are commonly observed in hypothyroid humans and rodents. These neurological and neuropathological abnormalities may be predicated on abnormalities in the cytoskeletal structures and in their molecular components. The cytoskeleton is a primary target for thyroid hormone in euthyroid and hypothyroid brain.

Keywords

Thyroid Hormone Cerebral Palsy Thyroid Stimulate Hormone Axonal Transport Corticospinal Tract 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1991

Authors and Affiliations

  • S. A. Stein
    • 1
  • P. M. Adams
    • 2
  • D. R. Shanklin
    • 3
  • G. A. Mihailoff
    • 4
  • M. B. Palnitkar
    • 1
  1. 1.Department of NeurologyUniversity of Texas Southwestern Medical CenterDallasUSA
  2. 2.Department of PsychiatryUniversity of Texas Southwestern Medical CenterDallasUSA
  3. 3.Departments of Pathology and Obstetrics and GynecologyUniversity of Tennessee-MemphisMemphisUSA
  4. 4.Department of Cell Biology and AnatomyUniversity of Mississippi School of MedicineJacksonUSA

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