research Polymorphisms in androgen and estrogen receptor genes: effects on male aging
Changes in testosterone and estrogen receptor genes can affect how men age, influencing body fat, hair patterns, and possibly leading to skin disorders.
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research Differential relationships between chronic hormone profiles in pregnancy and maternal investment in rhesus monkey mothers with hair loss in the neonatal period
Monkeys with hair loss during pregnancy showed higher stress hormone levels and invested differently in their offspring.
research Kisspeptin and LH pulsatile temporal coupling in PCOS patients
Women with regular menstrual cycles and PCOS have linked kisspeptin and LH hormone patterns, unlike those with irregular cycles.
research Genetic determinants of skin ageing: a systematic review and meta-analysis of genome-wide association studies and candidate genes
Certain genes are linked to skin aging, like wrinkles and pigmentation changes.
research 487 Exploring ribosomal RNA modifications and corresponding snoRNAs in human skin cell senescence
Understanding snoRNA regulation may help slow skin aging.
research Rapid high-performance liquid chromatogaphic method for detection of interindividual differences in carcinogen metabolism
Human hair follicles can assess carcinogen metabolism and imidazole compounds might be effective anticarcinogens.
research Determination of steroid hormones in human hair as a retrospective biomarker with HPLC-MS/MS
A new method accurately measures long-term hormone levels in hair.
research Hair cortisol and other hair analytes decline with storage over a one-year period: A systematic, within-subject investigation
Hair analytes decrease with storage, so analyze within six months.
research Effects of maintaining solstice light and temperature on reproductive activity, coat growth, plasma prolactin and melatonin in goats
Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.
research A LONGITUDINAL STUDY OF PUBERTY IN BOYS
research Seasonal and social correlates of changes in hair, skin, and scrotal condition in vervet monkeys (Cercopithecus aethiops) of Amboseli National Park, Kenya
Vervet monkeys show physical changes like hair loss and scrotal color changes due to stress or nutrition issues.
research Modeling the dynamics of human hair cycles by a follicular automaton
The model accurately simulates human hair growth and hair loss patterns.
research Alterations in neonatal neurosteroids affect exploration during adolescence and prepulse inhibition in adulthood
Early-life neurosteroid changes affect adolescent exploration and adult behavior.
research Appearance and Internal Aging
Looking older on the outside might be linked to aging faster on the inside and can be affected by lifestyle choices and health risks.
research A Reliable Procedure for Measuring Cortisol Levels in Rhesus Macaque Hair Samples
The procedure reliably measures cortisol in rhesus macaque hair.
research Ovulatory Versus Anovulatory Polycystic Ovary Syndrome Phenotypes: is There Really Any Effect on Laboratory, Clinic and Metabolic Profiles for Turkish Women?
Anovulatory PCOS patients are younger with longer cycles and higher blood pressure and hormone levels.
research Time Point 1 and 2 of Hair Cortisol
Wage increases and cash benefits reduced stress in early childhood educators.
research Empathic disequilibrium is related to lower levels of hair oxytocin in humans
research Associations of schizophrenia with the activities of the HPA and HPG axes and their interactions characterized by hair-based biomarkers
research What is the best sampling region for endocrine hair analysis? A comparison between the posterior vertex and occipital region and recommendation for standardization
The occipital region is best for measuring cortisol and cortisone, while the posterior vertex is better for OEA, SEA, and PEA.
research Estrus, ovulation, and serum progesterone, estradiol, and LH concentrations in mares after an increased photoperiod during winter.
Increasing light exposure in winter can make mares ovulate and cycle earlier.
research miR-29 is an important driver of aging-related phenotypes
miR-29 is a key factor that accelerates aging.
research Genetic Variation at the MC1R Locus and the Time since Loss of Human Body Hair
Humans lost body hair relatively recently in evolution.
research Dynamic spatiotemporal coordination of neural stem cell fate decisions through local feedback in the adult vertebrate brain
Neural stem cells use local feedback to maintain balance in the adult brain.
research Hair-based Biomarkers in Female Reproductive Health as Chronic Stress Biomarker: Current Evidence and Emerging Insights
Hair biomarkers can help assess chronic stress in women's reproductive health but need standardized methods and regional studies.
research Author response: Quantitative mapping of human hair greying and reversal in relation to life stress
Hair can naturally regain color after greying, and this change may be linked to stress levels.
research Skin transcriptome reveals the periodic changes in genes underlying cashmere (ground hair) follicle transition in Cashmere goats
The study identified key genes that align with the cashmere growth cycle in goats, which could help improve cashmere production timing.