Nipple area expansion in mice needs both pregnancy hormones and mechanical strain.
85 citations
,
May 2019 in “Journal of neuroendocrinology” The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.
4 citations
,
December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.
489 citations
,
June 2005 in “The FASEB Journal” Human hair follicles can produce cortisol like the body's stress response system.
430 citations
,
July 2002 in “Journal of Endocrinology” The hypothesis suggests that PCOS may start early in life due to genetic and environmental factors, influencing future reproductive and metabolic problems.
77 citations
,
March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
66 citations
,
October 1999 in “Annals of the New York Academy of Sciences” The Skin POMC System affects hair growth and skin responses to stress.
59 citations
,
October 2020 in “Stem Cell Reviews and Reports” Men have higher COVID-19 mortality rates than women due to biological and lifestyle factors.
58 citations
,
January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
43 citations
,
January 2006 in “PubMed” Androgens and estrogens are crucial for male reproductive health, affecting hormone levels and tissue function.
21 citations
,
November 2022 in “Frontiers in immunology” Sebaceous glands play a key role in skin health, immunity, and various skin diseases.
18 citations
,
April 2013 in “PLOS ONE” Mice with autoimmune hair loss showed signs of heart problems.
15 citations
,
April 2022 in “Immunology” Men and women get COVID-19 at similar rates, but men tend to get sicker and have a higher risk of dying, while women usually have stronger immune responses and vaccine reactions.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
10 citations
,
May 2016 in “bioRxiv (Cold Spring Harbor Laboratory)” Lipid metabolism affects wool thickness in sheep.
9 citations
,
July 2021 in “Essays in Biochemistry” Sex hormones may influence COVID-19 severity, with males at higher risk, and certain hormone therapies could potentially treat the virus.
January 2026 in “Scientific Reports” Sesamin may help treat hair loss by affecting specific cell pathways.
November 2025 in “Frontiers in Endocrinology” A rare tumor caused unusual hormone production leading to Cushing syndrome.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
June 2024 in “Computational and Structural Biotechnology Journal” Multi-omics techniques help understand the molecular causes of androgenetic alopecia.
Resveratrol improved hormone levels, menstrual cycles, hair loss, and ovarian function in PCOS patients.
January 2021 in “Acta Scientiae Veterinariae” Levothyroxine effectively treated a dog's skin and hair problems caused by hypothyroidism.
January 2018 in “Elsevier eBooks” The document explains how male reproductive hormones work and affect the body.
January 2016 in “AACE Clinical Case Reports” Treatment restored normal sexual characteristics and blood condition in a patient with testicular cancer.
Knee laxity varies with menstrual cycle phases, being highest during ovulation and menstruation, and is influenced by sex-steroids.
PTHrP is important for bone formation and may be targeted for osteoporosis treatment and longevity therapies.
January 2006 in “Advances in developmental biology” The Hairless gene is crucial for healthy skin and hair growth.
August 2022 in “Journal of Comprehensive Pediatrics” A girl with a rare genetic disorder had a unique bone condition, highlighting the need for careful diagnosis and suggesting the disorder might be more common than thought.
January 1999 in “Journal of S C C J” Certain growth factors regulate hair growth cycles, male hormones affect hair cycles, and drugs like Minoxidil and Finasteride can stimulate hair growth and inhibit male pattern baldness respectively.
176 citations
,
May 2020 in “Dermatologic Therapy” COVID-19 can cause different skin symptoms that may help with early diagnosis and show how severe the disease is.