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In this study on male rats, parachlorophenylalanine treatment induced hypersexual behavior and hair loss linked to increased social interaction but had no effect on brain serotonin when testosterone was used instead.

In this study, researchers found that female rats exhibited more pronounced panic-related escape behavior during hypoxia, particularly in the diestrus phase, and that low-dose fluoxetine reduced this behavior, suggesting its potential for managing panic disorder symptoms related to hormonal cycles in women.

This study reported that mice on a phenylalanine-deficient diet showed symptoms such as weight loss, gastric dilation, and thymic depletion, which echo human phenylalanine deficiency manifestations.

This study documented a case of an 11-month-old with PKU who developed acrodermatitis enteropathica-like symptoms due to severe phenylalanine deficiency, requiring dietary adjustment to restore phenylalanine levels.

This review discusses the potential antidepressant effects of phenylalanine, highlighting its significant activity in laboratory studies, but reports no new clinical findings.

This study developed a reliable HPLC-UV/Vis method to determine aluminum phthalocyanine chloride in skin, supporting its use in skin permeation studies for photodynamic therapy of cutaneous tumors.

This study investigated a nanostructured system using PS-b-PAA diblock copolymer for incorporating the hydrophobic photosensitizer ClAlPc, finding it effective in causing cellular damage in Caco-2 cells under light while demonstrating no cytotoxicity without light, suggesting its potential use in photodynamic therapy.

This study reports that both a 9-month-old with phenylketonuria on a phenylalanine-free diet and mice on a deficient diet exhibited severe health issues, highlighting the need for cautious dietary management.

Polyethylene alanine caused hair loss in young lab animals but not in adults, with hair regrowth occurring within 20 days.

This study found that palmitoylethanolamide may stimulate allopregnanolone synthesis and reduce oxidative stress in astrocytes through PPAR-α activation, suggesting a neuroprotective role.

The enzyme PA-PLA1α is important for proper hair follicle development.

In this study, researchers found that the pCLCA2 protein is expressed in specific areas of pig skin, but its role in skin structure or function remains unclear.

A specific mutation in PA-PLA1α causes abnormal hair growth.

This study identified a high-risk allele in the PLCD1 gene associated with hereditary trichilemmal cyst formation, proposing a monoallelic two-hit mechanism as the underlying genetic pathogenesis.

This article discusses the role of lysophosphatidic acid-induced histamine release in generalized pruritus among patients with primary sclerosing cholangitis and reports no new clinical results.

In this study, the CYP 21A2 gene p.V281L mutation was associated with an increased susceptibility to familial frontal fibrosing alopecia, suggesting an antigen-driven mechanism linked to certain human leukocyte antigen haplotypes.

This study identified a new PNPLA1 mutation in a Spanish family with autosomal recessive congenital ichthyosis.

This study found that individuals with homozygous loss-of-function mutations in PLAAT3 experience a novel type of partial lipodystrophy linked to defects in white adipose tissue differentiation and function.

This study found that erythrocyte-anchored CPA-encapsulated nanoparticles improved the delivery and accumulation of Cepharanthine in the lungs, enhancing its effectiveness in treating acute lung injury by reducing inflammatory responses.

This study observed that PCE-DP may improve skin pigmentation by increasing epidermal turnover and inhibiting melanin uptake and inflammation in human epidermal keratinocytes.

This study identified specific genetic variants as the cause of visual impairment and non-syndromic alopecia in two brothers, reinforcing the link between PDE6H variants and achromatopsia and LPAR6 variants and alopecia.

This study observed that two patients treated with interferon α-2b and ribavirin for chronic hepatitis C experienced complete and reversible straightening of their natural curly hair, which recurred with treatment resumption.

In this study, severe hair loss occurred in PKC epsilon transgenic mice treated with DFMO during skin tumor prevention, highlighting a link between polyamine biosynthesis, hair follicle maintenance, and metastasis suppression.

In this study, disruptions in phospholipase A2 activity in Arabidopsis thaliana significantly impaired the plasma membrane localization of PIN proteins, affecting auxin transport and root development.

In this study, treatment with DPCP alone was more effective for hair regrowth and presented fewer side effects in chronic extensive alopecia areata compared to combination therapy with DPCP and anthralin.

This study found that Egyptian women with frontal fibrosing alopecia had lower serum PPARγ levels and a higher occurrence of PPARG gene polymorphism compared to healthy controls, suggesting a potential role for PPARγ in the condition's development.

This study identified specific germline and somatic mutations in the Phospholipase C Delta 1 gene as high-risk factors for developing hereditary trichilemmal cysts, involving a monoallelic two-hit mechanism.

The researchers reported that protocatechuic acid reduced melanin synthesis and enhanced antioxidant activity in cultured human hair follicle melanocytes, indicating potential for skin whitening applications.

This study identified novel compound heterozygous mutations in the hairless gene among a non-consanguineous Chinese family with congenital atrichia, illustrating phenotypic variations due to founder or modifier genes.

This study developed a reliable RP-HPLC-DAD method, finding that amino acid concentrations in bleached hair decrease with higher hydrogen peroxide levels, notably affecting cystine.