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This review discusses the hedgehog signaling pathway's role in cutaneous tumors and hematological disorders, highlighting its potential as a therapeutic target, but reports no new clinical findings.

In this retrospective study of eight Saudi children with hereditary vitamin D resistant rickets, researchers observed that adjunctive cinacalcet appeared safe and showed initial promise in improving serum PTH levels, though further investigation is needed to confirm its efficacy.

This review discusses the role of the hairless protein (HR) in alopecia and cancer, noting its potential importance in cancer cell growth and survival, and reports no new experimental results.

This case study observed that in four middle-aged men with ejaculation disorders, therapy with human chorionic gonadotropin (hCG) alone or combined with recombinant follicle-stimulating hormone (rFSH) improved sexual desire, semen volume, and various other symptoms, although some experienced elevated estradiol levels and hair loss.

In this study, HPH-15, a newly synthesized compound, demonstrated potential in reducing skin fibrosis in a mouse model by targeting underlying pathogenic mechanisms and exhibited a good safety profile, warranting further clinical trials for fibrotic skin disorders like systemic sclerosis.

This study suggests that heparan sulfate is crucial for regulating hair follicle formation, cycling, and gland morphogenesis, with its ablation leading to continuous hair growth and increased gland activity in mice.

In this study, Huoxue Bushen Mixture was associated with increased blood vessel formation and VEGF expression in mice hair follicles, suggesting it may enhance hair growth.

This study reported that an HS-associated NCSTN mutation in iPSC-derived skin organoids led to altered hair follicle stem cell differentiation and increased expression of proteins linked to HS inflammation.

This study found that hHbl gene expression is localized in the cortical cells of the human hair shaft and is notably high in pilomatricoma cells transitioning to hair shaft keratinocytes.

This study found that adalimumab treatment led to regression of lesions in two patients with hidradenitis suppurativa after 16 weeks of therapy.

In this case report, a 20-year-old woman with chronic spontaneous urticaria experienced clinical improvement after receiving personalized homeopathic treatment with Natrum muriaticum 1M, underscoring the potential role of individualized homeopathy in managing this condition.

In this case report, a newborn with Conradi-Hünermann-Happle syndrome was diagnosed through early skin biopsy, which revealed unique histopathological features, including dystrophic calcifications, confirming a pathogenic variant in the EBP gene.

This study found that gender, puberty, and BMI significantly affect hair cortisol concentrations in children, suggesting these factors should be considered in future research.

The mutation causes hairless mice due to mislocalized and dysfunctional HR protein.

This study found that the mammalian Hr protein can interact with the p53 pathway by binding to a specific p53 response element, influencing the regulation of genes involved in cell cycle control.

This study found that HRHDT combined with microneedle therapy improved hair growth in a mouse model of alopecia more effectively than microneedle therapy alone.

This study found that histidine decarboxylase is crucial for the hair-inducing ability of newborn mouse dermal cells, with its expression significantly decreasing in the first few days after birth.

This review covers the pathophysiology, diagnosis, and treatment of congenital adrenal hyperplasia due to 21-hydroxylase deficiency and reports no new findings.

This special issue contains abstracts from the ASA 40th Annual Meeting, providing an overview of various studies without reporting new primary results.

This article reviews the prevalence, causes, and associated conditions of hidradenitis suppurativa, a chronic inflammatory skin disease, but reports no new clinical findings.

This study found that Hoxc gene expression can reprogram mesenchymal dermal papilla cells, enhance epithelial stem cell regenerative potential, and promote region-specific hair follicle regeneration through Wnt signaling.

This study found that the hairless gene product (Hr) suppresses VDR-mediated gene activation by directly interacting with the vitamin D receptor, potentially affecting hair follicle function.

This review discusses the hair follicle cycle's complex regulation and highlights the potential for targeting catagen control in future therapies without presenting new experimental data.

This case report emphasizes the importance of recognizing non-classic congenital adrenal hyperplasia as a cause of hyperandrogenism and the need for genetic counseling given potential familial implications.

This paper reviews hidradenitis suppurativa, comparing its clinical and histopathological characteristics to acne, questioning the proposed link to terminal hair follicles, and reports no new results.

This study found that mutations in the hairless gene disrupt normal hair follicle development by impairing Wnt/β-catenin signaling, affecting hair keratinocyte differentiation in both mice and humans.

In this study, a herbal extract mixture significantly reduced IL-1α gene expression in HaCaT cells, suggesting it may aid in the treatment of nonscarring alopecia.

This study suggests that supplemental testosterone therapy in men with hepatitis C virus may be associated with a modest reduction in hepatocellular carcinoma risk, challenging concerns about its potential to increase cancer risk.

This case report highlights two instances of suspected human herpesvirus 6 reactivation in patients with existing psychiatric disorders, underscoring the need for further research into the relationship between viral reactivation and psychiatric conditions.