Eight weeks of streptozotocin-induced diabetes influences the effects of cold stress on immunoreactive beta-endorphin levels in female rats |
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| Authors: | L J Forman S Estilow J Mead P Vasilenko |
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| Affiliation: | Department of Medicine, University of Medicine and Dentistry of New Jersey, School of Osteopathic Medicine, Camden. |
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| Abstract: | Cold stress produced a significant reduction in the concentration of immunoreactive beta-endorphin (IR-BE) in the anterior pituitary of diabetic female rats. IR-BE levels in the anterior pituitary of non-diabetic female rats were not affected by exposure to the cold. The effects of cold stress on IR-BE levels in the neurointermediate lobe of the pituitary and the hypothalamus were attenuated in diabetic as compared to control animals. These data suggest that in female rats, eight weeks of diabetes produced alterations in the neuroendocrine mechanisms which modulate IR-BE levels in the pituitary and hypothalamus in response to cold stress. |
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