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This abstract reviews hereditary vitamin D-resistant rickets, a rare genetic condition causing severe early childhood rickets, and reports no new results; effective treatment typically requires high doses of calcium to address hypocalcemia and secondary hyperparathyroidism.

This document discusses the British Association of Dermatologists' current perspective on isotretinoin, focusing on its known side effects, prescribing requirements, teratogenic risks, and the contentious link to mood changes, reporting no new research findings.

This article provides guidelines for molecular genetic testing of congenital adrenal hyperplasia due to 21-hydroxylase deficiency, focusing on quality requirements, methodologies, and variant classification; it reports no new clinical results.

This study found that newborn mouse skin organoids can robustly grow hair in vivo, while adult organoids require specific interventions to restore their hair-forming ability.

This study found that coculturing human hair follicle keratinocyte stem cells with dermal papilla cells increased expression of the hair-specific keratin 6hf gene, which requires β-catenin/lef-1 signaling for hair differentiation.

This review discusses various aesthetic and regenerative applications of platelet-rich plasma and concludes that it has potential as a safe cosmetic intervention but requires further studies to understand its clinical effects.

This study demonstrated that anagen can be induced in Stat3-disrupted mice, suggesting that both Stat3-dependent and independent pathways, possibly involving PKC, mediate hair cycle progression with required PI3K activation.

This study observed that electrical stimulation of specific mechanoreceptive afferents in the orofacial region can evoke sensations consistent with their response properties, while others may require multiple afferents to access perceptual levels.

This study found that enzymatic conversion of Arg-51 in S100A3 protein to citrulline promotes homotetramer assembly, potentially increasing Ca²⁺ binding required for hair cuticular barrier formation.

This study observed that skin pigmentation significantly attenuates bioluminescent signals in C57Bl/6 mice, complicating quantitative optical imaging and requiring consideration in experimental design.

This study observed that in hormone-starved prostate cancer cells, the androgen 5alpha-dihydrotestosterone rapidly induces matriptase activation and shedding, which involves androgen receptor signaling and requires both transcription and protein synthesis.

This study found that testosterone-enanthate increased red blood cell production and altered iron homeostasis in older hypogonadal men without being affected by finasteride, indicating these effects do not require type II 5α-reductase enzyme activity.

Oral retinoids can cause side effects ranging from mild to severe, including birth defects, and require careful monitoring and contraception.

This study found that compliance rates for oral contraceptives are low and similar to those for other medical treatments, indicating a need for alternatives that require less daily adherence.

This review concluded that monoclonal antibodies are currently the most effective treatment for COVID-19, with potential efficacy of high-titer convalescent plasma when used early, while multiple other drugs require further evaluation to determine their effectiveness.

This study found that penile and clitoral differentiation in mice is influenced by androgen exposure, with penile features developing postnatally requiring prenatal and ongoing androgen presence.

This study developed and validated a high-resolution mass spectrometry method to screen for prohibited substances and analyze six endogenous steroids in urine according to World Antidoping Agency requirements, demonstrating its effectiveness for antidoping analysis.

In this study, Juvéderm repeat treatments maintained wrinkle correction in nasolabial folds for up to 21 months and required significantly less filler than the initial treatment, indicating potential benefits for patients.

In this study, ketoconazole treatment improved acne in all women and reduced hirsutism in some, but it caused several side effects and requires careful monitoring.

This study found that most patients with folliculitis decalvans showed improvement and remission with oral antibiotics, although some experienced relapses and required prolonged treatment.

This study found that spermidine, a polyamine, plays an essential role in hair growth in sheep follicles, while spermine is not required for normal follicle function.

This review examines the differentiation potential of epithelial cells from various sources in hair follicle formation, concluding that complex interactions are required for hair-specific characteristics, which were achieved in vivo but not in vitro.

This report reviews current advances in hair follicle regeneration for tissue-engineered skin grafts and highlights the feasibility and challenges of creating human hair follicles in this setting, suggesting key bioengineering requirements.

This review discusses systemic antifungal treatments for tinea capitis in children, noting that newer agents like terbinafine and itraconazole require shorter courses than the traditional griseofulvin, but may be more costly.

This paper discusses the limitations of clinical trials in evaluating combination treatment regimens for Alzheimer's disease and ischemic stroke, highlighting the extensive resources required for such trials.

This review outlines various causes and manifestations of hair loss, highlighting that each type has distinct underlying mechanisms and requires specific treatment approaches, without reporting new clinical results.

This article highlights adverse skin reactions due to injectable therapies for MS, noting that while generally mild, some cases can progress to serious lesions requiring medical intervention.

Understanding the hair growth cycle in mice is crucial for accurate research, as it affects study results and requires careful timing and methods.

This study found that local refinement of hair follicles into higher order patterns can occur without the core planar cell polarity system, but global alignment with body axes requires its function throughout development and regeneration.

In this review, the authors report that fractional resurfacing can be a safe and effective technique for treating scars and promoting photorejuvenation in Asian skin, though it requires cautious use to minimize risks like post-inflammatory hyperpigmentation and rebound melasma.