Results 201 to 210 of about 224,446 (313)

Effects of Summer Heat Stress on Physiological Parameters and Reproductive Efficiency of Barbarine Ewes Under Natural Outdoor or Indoor Conditions

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
ABSTRACT Climate change and rising ambient temperatures increasingly challenge sheep production systems in arid and semi‐arid regions, particularly during the summer breeding season. This study evaluated the effects of heat stress and direct solar exposure on physiological responses, metabolic profile, and reproductive performance of Barbarine ewes, a ...
Samia Khnissi   +4 more
wiley   +1 more source

Prolactin and Triiodothyronine Modulate Seasonal Variation in Brown Adipose Tissue in Djungarian Hamsters

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
ABSTRACT Seasonal photoperiodic cycles regulate energy rheostasis in many animals. Brown adipose tissue (BAT) and the liver are key metabolic organs that show remarkable plasticity in response to photoperiodic conditions. Prolactin (PRL) and thyroid hormones are endocrine signals that transmit neural‐derived photoperiodic time measurement encoding to ...
Sayantan Sur   +5 more
wiley   +1 more source

Maternal Thyroid Hormone Imbalance and Risk of Autism Spectrum Disorder.

open access: yesJ Clin Endocrinol Metab
Elbedour L   +4 more
europepmc   +1 more source

Assessment of Thyroid Uptake Ratio Values in a Normal Population. Establishment of Normal Reference Values for 99mTc‐Pertechnetate Thyroid Uptake in an Australian Population

open access: yesJournal of Medical Radiation Sciences, EarlyView.
An Australian first, this study examined normal reference ranges for 99mTc‐pertechnetate thyroid uptake. Through a retrospective and prospective analysis, this study found a new reference range of 0.4%–2.4%. The findings suggest that locally derived reference values may differ from historical data and highlight the importance of region‐specific ...
Bethany Wornes   +2 more
wiley   +1 more source

Thyroid dysfunction in African trypanosomiasis [PDF]

open access: yes, 1993
Winkelmann, W.   +9 more
core  

Molecular theranostics: principles, challenges and controversies

open access: yesJournal of Medical Radiation Sciences, Volume 72, Issue 1, Page 156-164, March 2025.
Molecular theranostics offers a powerful tool to drive precision medicine in nuclear oncology. While theranostics is not a new principle in nuclear medicine, recent advances in instrumentation and radiopharmacy have driven a reinvigoration and a broader suite of applications.
Geoffrey Currie
wiley   +1 more source

Comparative Evaluation of hiPSC-Derived Brain Organoids as Platforms for Assessing Thyroid Hormone System Disrupting Chemicals. [PDF]

open access: yesCells
Fernandez Vallone V   +9 more
europepmc   +1 more source

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