27 citations
,
October 1945 in “Endocrinology” In this study, adrenalectomy in black rats on a vitamin B-deficient diet restored hair growth and melanin deposition, effects reversed using adrenal cortical hormones.
33 citations
,
January 2017 in “Conservation physiology” This study found that measuring reproductive hormone levels in brown bear hair may effectively support non-invasive genetic sampling, though larger samples or more sensitive techniques are needed for broader application.
March 1994 in “Proceedings of the British Society of Animal Production” This study investigated hair fibre growth in Angora and Cashmere goats, finding differences in growth rates and seasonal dependencies, and examined the effects of prolactin and melatonin on protein deposition in hair follicles.
April 2026 in “Signal Transduction and Targeted Therapy” In a hamster model of COVID-19, this study observed that both low and high doses of testosterone worsened illness in males, while finasteride prevented severe outcomes.
122 citations
,
October 2010 in “Clinica Chimica Acta” In this study, washing rhesus monkey hair with water or shampoo significantly reduced cortisol levels, suggesting potential underestimation of chronic stress hormone deposition in hair due to washing.
18 citations
,
April 2013 in “PLOS ONE” This study found that in a mouse model, alopecia areata was associated with changes in heart structure, biochemistry, and gene expression linked to cardiac hypertrophy after ACTH exposure.
1 citations
,
August 2021 in “Canadian journal of neurological sciences” This article offers HTML content and a downloadable PDF but does not provide an abstract or new findings for summary.
July 2018 in “International Journal of Research in Dermatology” This case report describes a 46-year-old female diagnosed with hypothyroidism, presenting with symptoms including severe hair loss, and treated with levothyroxine and supplements.
24 citations
,
July 2011 in “PubMed” This review discusses the classic skin characteristics of hypothyroidism, notably generalized myxedema caused by increased glycosaminoglycan deposition, and reports no clinical results.
2 citations
,
March 2005 in “Journal of the American Academy of Dermatology” Equol may help with antiaging and skin health by boosting collagen and blocking certain hormones.
14 citations
,
June 2013 in “Joint Bone Spine” This review discusses current anti-inflammatory treatment options for calcium pyrophosphate crystal deposition disease (CPPD) and highlights the lack of crystal-targeted therapies, emphasizing the need for more research to guide treatment.
12 citations
,
July 1957 in “Journal of Investigative Dermatology” This historical observation found that parathyroid extract treatment in newborn rats led to a condition resembling scleroderma, characterized by skin hardening, calcium deposition, and possible necrosis.
6 citations
,
November 2024 in “Molecular Medicine” This review highlights that hormones significantly influence the wound healing process by coordinating cellular and molecular activities, and hormonal therapy is emerging as a promising treatment, with current research focusing on optimizing dosages and minimizing side effects.
9 citations
,
September 2002 in “The Journal of clinical investigation/The journal of clinical investigation” This study found that reducing testosterone levels in male mice accelerates wound healing and decreases inflammation, suggesting a potential therapeutic target for improving wound repair in elderly males.
7 citations
,
May 2021 in “General and comparative endocrinology” This study concluded that qiviut cortisol can be used as a measure of HPA axis activity in muskoxen, with hair growth phase and body region affecting cortisol levels.
January 2025 in “Mansoura Medical Journal” In this animal study, researchers observed that both aging and lower androgen levels in male albino rats led to significant structural changes in meibomian glands, including reduced acinar cell size, diminished meibum secretion, and increased collagen deposition.
July 2024 in “Biological and Clinical Sciences Research Journal” This review reports that transgender individuals undergoing hormonal therapy for gender transition face increased risks of cardiovascular disorders, brain tumors, changes in bone density, metabolic disorders, and other health issues, while highlighting the necessity of this therapy for gender transformation.
January 2023 in “Hormone and Metabolic Research” This review discusses drug repositioning as a promising strategy for developing treatments for cardiometabolic disorders and reports no new clinical results.
1 citations
,
February 2009 in “Clinical and Experimental Dermatology” This study reports an improvement in lymphomatoid papulosis type A in a 52-year-old patient who concurrently used hormone-replacement therapy.
January 2008 in “Springer eBooks” Thyroid hormone may be useful for treating various skin conditions and needs more research.
18 citations
,
May 1992 in “American Journal of Biological Anthropology” This study found no general elevation in androgen levels among men predisposed to balding, despite a correlation with the free-to-total testosterone ratio; no link was observed with acne.
44 citations
,
July 2011 in “Dermato-endocrinology” This article reviews the skin condition myxedema associated with hypothyroidism, highlighting its characteristic non-pitting, glycosaminoglycan-rich nature, and reports no new results.
30 citations
,
October 2012 in “Current Opinion in Endocrinology, Diabetes and Obesity” This review discusses the effects of thyroid hormone on the skin and explores the potential for using it to treat skin diseases, but reports no new clinical results.
7 citations
,
October 2015 in “American Journal of Primatology” The researchers observed that pregnancy in rhesus monkeys was associated with an increased incidence of hair loss, though the underlying reasons remain unclear.
4 citations
,
January 2018 in “Elsevier eBooks” This chapter discusses the sources, classifications, and effects of hormones, their role in disease treatment and food security, and reports no new results.
3 citations
,
April 2019 in “Hormone and Metabolic Research” This study found that women with polycystic ovary syndrome have higher insulin resistance and lower serum high-molecular weight adiponectin, which may play a role in the condition's pathogenesis.
This narrative review highlights the critical role of intracrine hormone production in peripheral tissues, suggesting that continuous-release subcutaneous testosterone pellet therapy may offer a more effective symptom-driven approach for aging populations, though large-scale randomized controlled trials are needed for confirmation.
January 2023 in “Zdravstvena zaštita” This review evaluates current research on how hormonal changes due to aging impact voice quality, concluding the vocal cords are sensitive to hormonal fluctuations throughout life but reports no new clinical results.
This study reports that hair samples can be used to track chronic hormone levels, revealing stress, reproductive, and sodium regulation patterns in wildebeest related to environmental factors.
5 citations
,
August 2014 in “Pharmaceutical Development and Technology” In this study, the researchers reported that while both propylene glycol and sodium lauryl sulfate enhanced finasteride's skin deposition, ethanol was the only effective enhancer of finasteride's permeation through the skin.