research Binding of Steroid Hormones by the 105,000 x g Supernatant Fraction from Homogenates of Rat Skin and Variations during the Hair Cycle
Steroid hormone binding in rat skin varies with pH, heat, and hair cycle phases.
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research Retrospective evaluation of sex hormones and steroid hormone intermediates in dogs with alopecia
Most dogs with alopecia had higher than normal levels of certain hormones, but hair loss might not always be linked to these hormone changes.
research Presentation of a meningioma in a transwoman after nine years of cyproterone acetate and estradiol intake: case report and literature review
A transwoman developed a brain tumor after nine years of hormone therapy, suggesting a possible link between the treatment and tumor development.
research Rapid nongenomic modulation by neurosteroids of dendritic spines in the hippocampus: Androgen, oestrogen and corticosteroid
Sex and stress steroids quickly change brain cell structures in the hippocampus.
research The quantification of reproductive hormones in the hair of captive adult brown bears and their application as indicators of sex and reproductive state
Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
research Inhibition of 5α‐Reductase Activity in Late Pregnancy Decreases Gestational Length and Fecundity and Impairs Object Memory and Central Progestogen Milieu of Juvenile Rat Offspring
Inhibiting 5α-reductase during late pregnancy shortens gestation, reduces litter size, and harms memory in rat offspring.
research THE ENDOCRINE SYSTEM AND HAIR GROWTH IN THE RAT
Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
research The Neurosteroidogenic Enzyme 5α-Reductase Mediates Psychotic-Like Complications of Sleep Deprivation
The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
research Topical Minoxidil Does Not Act as an Antiandrogen in the Flank Organ of the Golden Syrian Hamster
Topical minoxidil does not block androgen effects.
research Allopregnanolone mediates the exacerbation of Tourette-like responses by acute stress in mouse models
Stress worsens Tourette symptoms by increasing allopregnanolone levels.
research A missing piece: the spiny mouse and the puzzle of menstruating species
The spiny mouse is a unique menstruating rodent that can help us understand menstruation and reproductive disorders.
research Effect of Neurosteroid Withdrawal on Spontaneous Recurrent Seizures in a Rat Model of Catamenial Epilepsy
Neurosteroid withdrawal increases seizure frequency in a rat model of catamenial epilepsy.
research Contraception and the dermatologist
Birth control pills can help manage acne, but dermatologists should know their skin-related side effects, especially when prescribing drugs that can harm unborn babies.
research Endocrine profile of the VCD-induced perimenopausal model rat
The rat model showed early perimenopause with regular cycles and low hormones, and late perimenopause with irregular cycles and higher hormone levels.
research Androgens stimulate specific aspects of maternal nest-building and reduce food intake in rabbits
Androgens boost certain nest-building behaviors and greatly reduce food intake in rabbits.
research Scalp comedones after topical minoxidil
Minoxidil can cause scalp comedones and acne.
research Selected variants of the steroid-5-alpha-reductase isoforms SRD5A1 and SRD5A2 and the sex steroid hormone receptors ESR1, ESR2 and PGR: No association with female pattern hair loss identified
No link found between specific genes and female pattern hair loss.
research Hyperprogesteronismus infolge bilateraler Nebennierenrindenkarzinome bei einer Katze mit Diabetes mellitus
Adrenal tumors can cause high progesterone levels, mimicking symptoms of high cortisol.
research Hyperprogesteronemia associated with Sertoli cell tumor and alopecia in a dog
Castration helped a dog with a tumor and hair loss by normalizing hormone levels and regrowing hair.
research Novel C-6 substituted and unsubstituted pregnane derivatives as 5α-reductase inhibitors and their effect on hamster flank organs diameter size
Certain compounds reduced hamster flank organ size by inhibiting 5α-reductase, like finasteride, without affecting androgen receptors.
research PR-independent neurosteroid regulation of α2-GABA-A receptors in the hippocampus subfields
Progesterone and its byproducts control a specific receptor in the brain independently of progesterone receptors, affecting conditions related to the menstrual cycle.
research Equine 5α-reductase activity and expression in epididymis
The equine epididymis mainly uses type 1 5α-reductase, and both finasteride and dutasteride can inhibit its activity.
research Canine Alopecia Secondary to Human Topical Hormone Replacement Therapy in Six Dogs
Dogs exposed to their owners' hormone therapy developed hair loss, but symptoms resolved after stopping the therapy.
research Inhibition of 5α Reductase Impairs Cognitive Performance, Alters Dendritic Morphology and Increases Tau Phosphorylation in the Hippocampus of Male 3xTg-AD Mice
Blocking 5α-reductase can harm memory and brain structure, and increase harmful brain changes in male mice used for Alzheimer's disease research.
research Simultaneous determination of seven prohibited substances in cosmetic products by liquid chromatography–tandem mass spectrometry
The method effectively identifies and measures seven banned substances in cosmetics.
research Characteristics of hair loss after COVID ‐19: A systematic scoping review
COVID-19 patients may experience temporary hair loss, mainly in women, which is likely reversible.
research Isotope Dilution-Based Targeted and Nontargeted Carbonyl Neurosteroid/Steroid Profiling
Researchers created a new method to measure brain steroids, finding higher levels of certain steroids and changes due to a drug.
research Replacement with GABAergic steroid precursors restores the acute ethanol withdrawal profile in adrenalectomy/gonadectomy mice
GABAergic steroid precursors reduce ethanol withdrawal symptoms in certain mice.
research Changes in expression of the neuropeptide Y Y1 receptor gene in the medial amygdala of transgenic mice during pregnancy and after delivery
Pregnancy-related hormone changes affect Y1 receptor gene expression in mice.
research Androgen regulation of a specific gene in hamster flank organs
Male hormones control a specific gene in hamster skin, with different hormones having varying effects.