63 citations
,
March 1995 in “International Journal of Dermatology” Some drugs can cause hair loss, and stopping these drugs often leads to hair regrowth.
44 citations
,
May 2006 in “The Journal of the American Animal Hospital Association/Journal of the American Animal Hospital Association” This study observed that combination therapy with prednisolone and azathioprine provided similar outcomes to prednisolone alone for treating pemphigus foliaceus in dogs, with over half achieving remission and significant improvement in another 25%.
15 citations
,
September 1984 in “Veterinary Clinics of North America: Small Animal Practice” The document explains various skin conditions in cats and how to diagnose and treat them.
14 citations
,
January 2020 in “International Journal of Biological Sciences” This study explored the use of multiphoton microscopy to monitor changes in tumors and surrounding tissues in breast cancer patients undergoing neoadjuvant chemotherapy, finding it may effectively detect treatment response at cellular levels without using exogenous contrast agents.
7 citations
,
January 1993 in “Rheumatology” This article discusses suspected skin toxicity from drugs used to treat rheumatoid arthritis but reports no new clinical findings.
3 citations
,
July 2008 in “British journal of dermatology/British journal of dermatology, Supplement” Terbinafine can cause hair loss.
July 2008 in “British Journal of Dermatology” Cyclosporin doesn't stop hair loss.
116 citations
,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” This study discovered that the circadian clock influences hair follicle regeneration, making hair grow faster in the morning and causing more radiation-induced hair loss in the morning compared to the evening.
6 citations
,
March 2022 in “International journal of molecular sciences” This review explores the detrimental effects of sunlight on the skin’s circadian rhythm and photodamage, noting the potential of natural cosmeceuticals to influence this rhythm, but reports no new results.
July 2023 in “Biomolecules” In this review, the authors discussed how the circadian clock influences hair follicle regeneration by regulating metabolism, suggesting potential new targets for hair loss treatments.
9 citations
,
July 2018 in “European journal of dermatology/EJD. European journal of dermatology” This study provides evidence that long-term deregulation of the circadian rhythm in humans affects the regenerative properties of skin and hair precursor cells by altering clock pathway protein expression.
38 citations
,
August 2012 in “Biochemical and biophysical research communications” This study found that leukocytes and beard hair follicle cells have an endogenous circadian clock, with PER1 and PER3 expression possibly serving as biomarkers for assessing individual biological clock traits.
55 citations
,
March 2010 in “Aging” This study found that circadian clock genes are involved in regulating the hair growth cycle, suggesting a connection between daily rhythms and the longer hair follicle cycling process.
293 citations
,
November 2011 in “Nature” This study found that the circadian clock regulates the activation state of murine epidermal stem cells, affecting tissue homeostasis and susceptibility to tumorigenesis when disrupted.
5 citations
,
January 2023 in “International Journal of Molecular Sciences” This review discusses the expression of circadian genes in hair follicles and their potential for monitoring circadian-rhythm-related conditions, reporting no clinical results; the authors suggest combining hair sampling with other assessments for better insight.
3 citations
,
May 2016 in “Dermatology Online Journal” This review discusses chronic telogen effluvium, focusing on the potential role of hormonal fluctuations and circadian control genes, and reports no new clinical findings.
50 citations
,
August 1999 in “Experimental dermatology” This review discusses the need for more research on how the chronobiological control systems regulate hair follicle cycling and reports no new results.
August 2025 in “Chronobiology International” In this study, college students with an evening chronotype were found to be at greater risk for androgenetic alopecia, potentially due to altered circadian rhythms as indicated by shifts in heart rate patterns and clock gene expression in hair follicles.
49 citations
,
April 2016 in “International journal of molecular sciences” This study found that shift nurses exhibited lower circadian variations compared to daytime nurses, indicating an adjustment of their biological clocks to continuous shift schedules.
This study is designed to explore how circadian rhythms are affected by obesity and mental health conditions, such as schizophrenia and bipolar disorder, using biological and lifestyle data from independently living adults.
91 citations
,
August 2014 in “Development” This review discusses how circadian clocks may influence diverse physiological functions beyond their established role in daily timekeeping, but it reports no new experimental findings.
109 citations
,
December 1998 in “The Journal of Dermatology” This review discusses the hair follicle cycle's complex regulation and highlights the potential for targeting catagen control in future therapies without presenting new experimental data.
1 citations
,
September 2024 in “iScience” In a study on mice, researchers found that exposure to artificial light environments causing circadian misalignment impaired hair growth by reducing the hair growth rate during the anagen phase, suggesting these light conditions as a potential risk factor for hair loss.
This study evaluated the stability of multiple active ingredients in TrichoSol™ for use in alopecia treatments, finding varying stability durations at room temperature—up to 180 days for some ingredients—supporting its use as a compounding vehicle in personalized therapies.
84 citations
,
December 2017 in “EMBO Reports” This review discusses the role of circadian rhythms in stem cell differentiation and tissue regeneration, emphasizing their impact on organ physiology and aging, but reports no new experimental results.
8 citations
,
March 2021 in “Drug testing and analysis” This study improved a hair analysis method to estimate the days of continuous ingestion of hay-fever medicines, with an average error of about 2 days from actual ingestion.
6 citations
,
December 2011 in “Nature” This study found that the circadian clock regulates the activation and heterogeneity of hair follicle bulge stem cells, affecting tissue homeostasis and tumorigenesis risk in mouse skin.
1 citations
,
October 2012 in “Medical Hypotheses” The conclusion suggests that treatments targeting root causes of chronic diseases may be developed by focusing on gene expression and lifestyle factors.
January 2024 in “Diabetes & metabolism journal” This review explored how the circadian system might influence diabetes development and management, highlighting mismatches like disrupted sleep-wake cycles and gene mutations that could worsen diabetes, and suggests targeting these for future diabetes prevention and treatment strategies.
July 1996 in “Annals of Internal Medicine” This letter discusses preliminary findings suggesting wrist actigraphy may be useful for monitoring sleep in cirrhotic patients, but emphasizes the need for further validation before replacing sleep diaries.