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This article discusses the impact of estrogens on hair follicle growth in female pattern hair loss, noting their ability to increase anagen phase and suppress telogen phase, but reports no new clinical results.

The study observed that in women, the number of hair follicles with an internal root sheath decreases with age in the parietal region, also hinting at a reduction in hair follicle and shaft width.

This study found that ultrasound biomicroscopy can effectively visualize hair follicles in alopecia areata patients, with no significant difference compared to histopathological measurements of follicle number and width.

This study found that inhibiting prolactin secretion during the telogen phase can reduce the number of activated secondary hair follicles and the width of hair bulbs.

This study found that Pomeranians with Alopecia X had fewer follicles per group, more fragile hair, and distinct hair cycle stages compared to non-alopecic Pomeranians, highlighting coat-type differences significant for diagnosing the condition.

This study reports that citrulline, uniquely found in the inner root sheath of hair follicles, can be specifically detected with the carbamido diacetyl reaction, resulting in a bright orange color.

This study found that combining platelet-rich plasma therapy with topical minoxidil improved hair shaft diameter and hair follicle density more effectively than PRP alone in men with androgenetic alopecia.

This study developed a new triamcinolone acetonide serum combined with a microneedling device, showing promise for treating alopecia areata by targeting hair follicles in a less invasive, patient-friendly way with confirmed drug solubility, compatibility, and safety.

This study developed a low-viscosity triamcinolone acetonide serum, used with a derma stamp microneedling device, to improve targeted treatment of alopecia areata, reporting favorable drug solubility, spreadability, and permeation to hair follicles, while maintaining skin safety.

In this study, researchers observed diffuse hair loss in Japanese patients post-hematopoietic stem cell transplantation and chemotherapy, with treatments targeting hair follicle miniaturization, like topical minoxidil, improving hair volume in about 52.9% of cases.

This study found that using platelet-rich plasma alongside minoxidil and finasteride/spironolactone during hair transplant surgery for androgenetic alopecia improved follicle survival, hair growth rates, and hair strength.

This study explored the roles of β-catenin and sclerostin levels in patients with androgenic and alopecia areata, analyzing their potential involvement in the hair follicle morphogenesis and Wnt signaling pathway.

This study found that Ashwagandha-derived exosome-like nanovesicles promoted hair growth in several preclinical models and may offer a novel non-drug strategy to reduce hair shedding.

This article discusses the off-label use of low-dose oral minoxidil for alopecia and reports no new clinical findings, noting its presumed mechanism is enhancing hair follicle microcirculation with minimal blood pressure effects.

This study observed that hair follicle morphology in dairy cows changes during the peripartum period, with fluctuations in hair follicle width and anagen percentage but no overall marked changes in skin morphology parameters.

This study identified two types of hard alpha-keratin filament assemblies in developing human hair follicles, which may help investigate the structural framework of mammalian keratin appendages.

This study reports the development of a MEMS silicon-hair device capable of detecting minute forces and moments, replicating the sensory functions of human hair follicles with high sensitivity.

This report describes a rare case of papular atrichia in a 4-year-old girl, highlighting the absence of effective treatment to stimulate hair growth for this condition.

In this case report, a 31-year-old male with refractory sycosis barbae achieved complete remission after 4 months of treatment with bimekizumab, suggesting this dual inhibitor of interleukin-17A and IL-17F may be a promising therapy for this condition.

This study found that pre-treatment with a stimulating cream shampoo significantly increased Minoxidil penetration into hair follicles and the scalp compared to using Minoxidil alone.

This study defines classification criteria for hair follicle dystrophy using a mouse model of chemotherapy-induced alopecia, providing tools for standardized hair damage assessment.

This study found that mutant mice with the we/we wal/wal genotype exhibit significant defects in hair shaft structure and epidermis stratification, correlating with postnatal alopecia symptoms.

This study outlines a method for isolating dermal papilla cells from human hair follicles, which may help overcome challenges in studying their role in hair growth.

This study observed that feeding ewes a water-soluble complex of fatty acids increased primary hair follicle bulb diameter and mitotic activity, suggesting a positive correlation with wool growth.

This study demonstrated that hair follicles significantly expedite the absorption of caffeine through the skin compared to interfollicular pathways.

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This study found that anti-mullerian hormone levels are significantly elevated in infertile women with polycystic ovarian syndrome compared to those with regular cycles, suggesting it as a potential marker for diagnosing PCOS-related infertility.

In this case study, a previously healthy 7-year-old boy was treated with a combination of topical minoxidil, retinoic acid, and clobetasol for a rare presentation of linear alopecia areata, resulting in full hair regrowth one year later.

This case report describes a patient with psoriasis and alopecia universalis where psoriasis plaques supported hair growth, suggesting cytokine interaction may influence competing immune responses.

This paper highlights a case where a 2-year-old boy with temporal triangular alopecia was initially misdiagnosed with alopecia areata, emphasizing the importance of dermoscopy for accurate early diagnosis to avoid unnecessary treatments.