research Alopecia: what to do when the endocrine skin tests are normal?
If a dog's skin tests are normal but it has hair loss, consider other non-endocrine causes and choose tests based on the hair loss pattern.
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research Towards Dissecting the Pathogenesis of Retinoid-Induced Hair Loss: All-Trans Retinoic Acid Induces Premature Hair Follicle Regression (Catagen) by Upregulation of Transforming Growth Factor-β2 in the Dermal Papilla
All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
research The Role of T‐Helper 17 Cells and Regulatory T Cells in Acute Diffuse and Total Alopecia: The Increased Function of Regulatory T Cells May Explain the Favorable Prognosis
Increased regulatory T cell activity may lead to better outcomes in acute diffuse and total alopecia.
research Testosterone Reduces Knee Passive Range of Motion and Expression of Relaxin Receptor Isoforms via 5α-Dihydrotestosterone and Androgen Receptor Binding
Testosterone reduces knee flexibility by affecting relaxin receptors.
research Non-invasive method distinguishes chronic telogen effluvium from mild female pattern hair loss: clinicopathological correlation
Washing test helps identify hair loss type, low iron levels significant.
research LOSS OF HAIR FOLLOWING PROPYLTHIOURACIL THERAPY
Propylthiouracil treatment can cause hair loss.
research All-trans retinoic acid induced the differentiation of amelanotic melanocytes of human hair follicle
All-trans retinoic acid helps amelanotic melanocytes in hair follicles develop and produce pigment while reducing their growth.
research Androgen treatment of postmenopausal women
Testosterone therapy can improve sexual desire and function in postmenopausal women but should be used cautiously and not based solely on testosterone levels.
research Trichodystrophies: A hair-raising differential diagnosis
The guide helps doctors diagnose hair problems by suggesting a thorough patient history, physical exams, and various diagnostic tools.
research In situ detection of retinoid-X receptor expression in normal and psoriatic human skin
RXR-alpha is strongly expressed in both normal and psoriatic skin and may help in skin cell differentiation and hair growth.
research Ovarian and Adrenal Androgens and Their Link to High Human Chorionic Gonadotropin Levels: A Prospective Controlled Study
Women with a certain type of tumor had higher levels of pregnancy hormone and male hormones, which decreased after treatment.
research Urticaria Neonatorum: Accumulation of tryptase‐expressing mast cells in the skin lesions of newborns with Erythema Toxicum
Newborns with the common rash Erythema Toxicum have many active mast cells in their skin, but these cells don't produce the LL-37 peptide.
research Hair growth and androgen responses in hirsute women treated with continuous cyproterone acetate and cyclical ethinyl oestradiol
The treatment significantly reduced hair growth and male hormone levels in hirsute women.
research Combination use of triamcinolone acetonide and immunotherapy as a new therapeutic option in alopecia totalis
Combining triamcinolone acetonide and immunotherapy can help regrow hair in some alopecia totalis patients.
research 1108 Comparison of ruxolitinib and a collagen-targeted PTH-based hair cycle stimulant on hair follicle counts and hair growth in the C3H/HeJ engrafted mouse model of alopecia areata
A PTH-based treatment improved hair regrowth better than ruxolitinib in a mouse model of hair loss.
research Effects of dihydrotestosterone on rat dermal papilla cells in vitro
Dihydrotestosterone (DHT) doesn't affect rat skin cell growth, but it does change cell cycle, protein levels, and other cell functions, potentially shortening hair growth cycle.
research Hair Shaft Defect in a Teenage Girl: Trichoscopy Saves the Day!
Trichoscopy helped diagnose a teenage girl's hair loss as monilethrix.
research No evidence for the immunocompetence handicap hypothesis in male humans
Higher free testosterone levels in men are linked to a stronger immune response, not weaker.
research Decision letter: IL18 signaling promotes homing of mature Tregs into the thymus
IL-18 signaling helps mature Tregs move into the thymus.
research Trichoscopy
Trichoscopy is a non-invasive way to diagnose hair and scalp problems without needing hair samples.
research Das Trichorhinophalangealsyndrom
Trichorhinophalangeal syndrome causes hair, facial, and bone issues, with no specific treatment beyond gentle care.
research ACP Broadsheet 131: March 1992. Hirsute women: should they be investigated?
Most women with excess hair growth need only a clinical evaluation and minimal tests unless they show signs of virilism.
research Post-herpetic neuralgia-associated patchy hair loss closely mimicking trichotillomania
Patchy hair loss from post-herpetic neuralgia can mimic trichotillomania but requires different treatment.
research TRPS1 mutation associated with trichorhinophalangeal syndrome type 1 with 15 supernumerary teeth, hypoplastic mandibular condyles with slender condylar necks and unique hair morphology
A person with a specific gene mutation had extra teeth, unique jaw and hair features not seen before in this condition.
research Dihydrotestosterone Regulates Hair Growth Through the Wnt/β-Catenin Pathway in C57BL/6 Mice and In Vitro Organ Culture
Dihydrotestosterone affects hair growth by changing the Wnt/β-catenin pathway, with low levels helping and high levels hindering growth.
research An ovarian Leydig cell tumor of ultrasound negative in a postmenopausal woman with hirsutism and hyperandrogenism
A postmenopausal woman's hirsutism and high testosterone levels improved after surgery for an ovarian tumor not seen on ultrasound.
research Evaluation and diagnosis of the hair loss patient
Trichoscopy is a quick, cost-effective tool for diagnosing different hair loss conditions.
research A Non-Invasive Hair Test to Determine Vitamin D3 Levels
The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
research Testosterone, 17 Ks, 17 beta E2 FSH-LH variations and hirsutism modifications during spironolactone therapy.
Spironolactone treatment reduced hair growth and androgen levels in hirsute women, but the overall effectiveness was just adequate.
research Ovarian intratumoral 21-hydroxylase deficiency in a postmenopausal hirsute woman
A postmenopausal woman's masculine symptoms improved after surgery for a hormone-producing ovarian tumor.