Chronic exposure to short photoperiod inhibits free thyroxine index and plasma levels of TSH, T4, triiodothyronine (T3) and cholesterol in female syrian hamsters

M. K. Vaughan; M. C. Powanda; B. A. Richardson; T. S. King; L. Y. Johnson; R. J. Reiter

doi:10.1016/0300-9629(82)90212-2

Chronic exposure to short photoperiod inhibits free thyroxine index and plasma levels of TSH, T₄, triiodothyronine (T₃) and cholesterol in female syrian hamsters

M. K. Vaughan, M. C. Powanda, B. A. Richardson, T. S. King, L. Y. Johnson, R. J. Reiter

Department of Cell Systems & Anatomy

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

1. 1. Chronic exposure of female Syrian hamsters (Mesocricetus auratus) for 9 weeks to a short photoperiod (10L:14D) depressed the pituitary-thyroid axis as indicated by a drop in circulating titers of thyroid stimulating hormone (TSH), thyroxine (T₄), triiodothyronine (T₃) and the free thyroxine index (FT₄I) compared to animals maintained under long photoperiodic conditions (14L:10D). 2. 2. Short day treatment also reduced plasma cholesterol levels. 3. 3. Neither plasma triglycerides, glucose nor growth hormone (GH) levels differed between hamsters exposed to short or long daily photoperiods.

Original language	English (US)
Pages (from-to)	615-618
Number of pages	4
Journal	Comparative Biochemistry and Physiology -- Part A: Physiology
Volume	71
Issue number	4
DOIs	https://doi.org/10.1016/0300-9629(82)90212-2
State	Published - 1982

ASJC Scopus subject areas

Physiology

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10.1016/0300-9629(82)90212-2

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Vaughan, M. K., Powanda, M. C., Richardson, B. A., King, T. S., Johnson, L. Y., & Reiter, R. J. (1982). Chronic exposure to short photoperiod inhibits free thyroxine index and plasma levels of TSH, T₄, triiodothyronine (T₃) and cholesterol in female syrian hamsters. Comparative Biochemistry and Physiology -- Part A: Physiology, 71(4), 615-618. https://doi.org/10.1016/0300-9629(82)90212-2

Chronic exposure to short photoperiod inhibits free thyroxine index and plasma levels of TSH, T₄, triiodothyronine (T₃) and cholesterol in female syrian hamsters. / Vaughan, M. K.; Powanda, M. C.; Richardson, B. A. et al.
In: Comparative Biochemistry and Physiology -- Part A: Physiology, Vol. 71, No. 4, 1982, p. 615-618.

Research output: Contribution to journal › Article › peer-review

Vaughan, MK, Powanda, MC, Richardson, BA, King, TS, Johnson, LY & Reiter, RJ 1982, 'Chronic exposure to short photoperiod inhibits free thyroxine index and plasma levels of TSH, T₄, triiodothyronine (T₃) and cholesterol in female syrian hamsters', Comparative Biochemistry and Physiology -- Part A: Physiology, vol. 71, no. 4, pp. 615-618. https://doi.org/10.1016/0300-9629(82)90212-2

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title = "Chronic exposure to short photoperiod inhibits free thyroxine index and plasma levels of TSH, T4, triiodothyronine (T3) and cholesterol in female syrian hamsters",

abstract = "1. 1. Chronic exposure of female Syrian hamsters (Mesocricetus auratus) for 9 weeks to a short photoperiod (10L:14D) depressed the pituitary-thyroid axis as indicated by a drop in circulating titers of thyroid stimulating hormone (TSH), thyroxine (T4), triiodothyronine (T3) and the free thyroxine index (FT4I) compared to animals maintained under long photoperiodic conditions (14L:10D). 2. 2. Short day treatment also reduced plasma cholesterol levels. 3. 3. Neither plasma triglycerides, glucose nor growth hormone (GH) levels differed between hamsters exposed to short or long daily photoperiods.",

author = "Vaughan, {M. K.} and Powanda, {M. C.} and Richardson, {B. A.} and King, {T. S.} and Johnson, {L. Y.} and Reiter, {R. J.}",

note = "Funding Information: *Supported by NSF grant PCM 8003441 to R.J.R. B.A.R. is a NIH Postdoctoral 1 F 32 ND0 5900. T.S.K. is a Postdoctoral Fellow of the Center for Training in Reproductive Biology, Grant HD 07139.",

year = "1982",

doi = "10.1016/0300-9629(82)90212-2",

language = "English (US)",

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pages = "615--618",

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T1 - Chronic exposure to short photoperiod inhibits free thyroxine index and plasma levels of TSH, T4, triiodothyronine (T3) and cholesterol in female syrian hamsters

AU - Vaughan, M. K.

AU - Powanda, M. C.

AU - Richardson, B. A.

AU - King, T. S.

AU - Johnson, L. Y.

AU - Reiter, R. J.

N1 - Funding Information: *Supported by NSF grant PCM 8003441 to R.J.R. B.A.R. is a NIH Postdoctoral 1 F 32 ND0 5900. T.S.K. is a Postdoctoral Fellow of the Center for Training in Reproductive Biology, Grant HD 07139.

PY - 1982

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N2 - 1. 1. Chronic exposure of female Syrian hamsters (Mesocricetus auratus) for 9 weeks to a short photoperiod (10L:14D) depressed the pituitary-thyroid axis as indicated by a drop in circulating titers of thyroid stimulating hormone (TSH), thyroxine (T4), triiodothyronine (T3) and the free thyroxine index (FT4I) compared to animals maintained under long photoperiodic conditions (14L:10D). 2. 2. Short day treatment also reduced plasma cholesterol levels. 3. 3. Neither plasma triglycerides, glucose nor growth hormone (GH) levels differed between hamsters exposed to short or long daily photoperiods.

AB - 1. 1. Chronic exposure of female Syrian hamsters (Mesocricetus auratus) for 9 weeks to a short photoperiod (10L:14D) depressed the pituitary-thyroid axis as indicated by a drop in circulating titers of thyroid stimulating hormone (TSH), thyroxine (T4), triiodothyronine (T3) and the free thyroxine index (FT4I) compared to animals maintained under long photoperiodic conditions (14L:10D). 2. 2. Short day treatment also reduced plasma cholesterol levels. 3. 3. Neither plasma triglycerides, glucose nor growth hormone (GH) levels differed between hamsters exposed to short or long daily photoperiods.

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Chronic exposure to short photoperiod inhibits free thyroxine index and plasma levels of TSH, T₄, triiodothyronine (T₃) and cholesterol in female syrian hamsters

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