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This study found that thyroxine modulates peripheral molecular clock gene expression in human hair follicles, which may have implications for treating clock-related diseases in patients with thyroid dysfunction.

This article reviews dermatological manifestations of endocrine diseases in dogs, such as hypothyroidism and hyperadrenocorticism, but reports no new clinical findings.

This paper presents a case study of a 21-year-old male with thyroid hemiagenesis, where the left thyroid lobe and isthmus are absent, and discusses the anomaly's potential clinical consequences based on existing literature.

Diphencyprone initially increases mouse hair growth, then slows it, possibly due to changes in specific protein levels.

This article reviews the thermoregulation mechanisms in African and Asian elephants and highlights challenges from climate change, with no new empirical results presented.

In this study, common skin manifestations in hypothyroidism patients included dry, coarse skin, pigmentary disorders, and telogen effluvium.

Feathers become harder as they develop due to a change in keratin type.

This study reports that a 190,000 molecular weight protein, identified as trichohyalin, may play a matrix role in the development of inner root sheaths in hair follicles.

In this study, ectoderm-targeted transgenic mice with glucocorticoid receptor overexpression exhibited multiple epithelial defects, suggesting the role of NF-kappaB and p63 dysfunction in ectodermal dysplasia syndromes.

This study found that higher dihydrotestosterone (DHT) levels in the parietal region of the scalp may be linked to androgenetic alopecia's clinical presentation.

In this study, researchers found that eccrine sweat glands in human scalp skin are morphologically integrated into the pilosebaceous unit, suggesting they form a common homeostatic tissue environment with adjacent structures.

This study identified trichohyalin as an early differentiation marker in hair follicles, with potential structural roles related to alpha-helical formations, based on the partial characterization of its cDNA in sheep.

This review discusses how the CRH/POMC systems may regulate human hair follicle pigmentation and highlights the concept of "self-similarity" in melanocortin systems at both local and systemic levels, without presenting new experimental results.

This study found that mice lacking syndecan-1 experienced cold stress and metabolic issues due to reduced intradermal fat, which was restored by thermoneutral housing or rosiglitazone treatment.

This chapter discusses the role of hormones in regulating reproductive biology and outlines how the endocrine system, particularly the brain and pituitary gland, controls these hormonal processes.

In this case report, a 70-year-old woman with a history of autoimmune hypothyroidism experienced alternating hypothyroidism and hyperthyroidism over a decade, highlighting the potential role of thyrotropin receptor autoantibodies in these fluctuations.

This study demonstrates that the trichohyalin gene is located at chromosomal region 1q21, where several other genes related to epidermal differentiation also map.

This study used a glucocorticoid-injection model to mimic kidney-yang deficiency syndrome and reported symptoms related to hormonal imbalances in the hypothalamic-pituitary-target gland axes.

This review provides an overview of the molecular evolution of corneous beta-proteins in reptiles and birds, highlighting their distinct genetic origin and role in epidermal structures, but reports no new results.

This study reported the first known case of tertiary hypothyroidism in a dog, diagnosed after a Labrador treated for hyperadrenocorticism presented with related symptoms and an MRI-revealed pituitary mass.

This study found that pimozide, d-butaclamol, and pituitary pars intermedia grafts darken hair color in agouti C3H Avy mice, suggesting dopaminergic inhibition influences peptide-controlled hair color cycling.

This study observed that PAD type III and trichohyalin are expressed earlier than their deiminated form during the first and second hair cycles in rat hair follicles, indicating a potential additional factor is involved in triggering deimination.

This study found that injecting various hormones or hormone-cholesterol mixtures into Willow Ptarmigan and White-tailed Ptarmigan led to the growth of pigmented feathers instead of the usual white winter feathers, suggesting hormonal influence on plumage color changes.

The researchers reported that scaffoldin, a protein identified in chicken embryos, likely plays a role in forming periderm granules and contributes to the soft cornification of embryonic epidermis.

In this study, researchers found that estrogens activate and androgens inhibit brown adipose tissue thermogenesis via the VMH, affecting energy balance and suggesting targets for treating cachexia and obesity.

Keratin heterodimers are preferred for their specific and structural advantages.

This study found that trichohyalin is expressed in various normal and pathological epithelia beyond hair follicle cells, where it is uniquely associated with filaggrin, suggesting a specific role in aggregating K6/K16-containing intermediate filaments.

This article discusses a hypothesis on the development and evolution of scales, hairs, and feathers from fish to amniotes, based on regions of dermo-epidermal interactions in skin, but reports no new findings.

This study analyzes the fine structure and protein distribution in monotreme hairs, finding similarities with other mammals and detailing unique immunocytochemical features in their inner root sheaths.

Terrestrial vertebrates have balanced keratin gene clusters, unlike teleost fish.