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This article discusses recent findings on piedra infections in hair and their keratinolytic activities, but reports no new clinical results.

This abstract reviews the bubble hair abnormality caused by high-temperature styling tools and reports no new experimental results.

The book discussed in this abstract is a comprehensive guide to hair analysis, detailing the latest methods and applications across various fields such as toxicology and drug monitoring, designed for both newcomers and experts in the field.

In this study, researchers used an evolutionary-rate-based method to identify genetic elements associated with reduced hair in mammals, finding a dichotomy between accelerated coding sequences and noncoding regulatory elements influencing hair growth.

The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.

A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.

This review covers cell transplantation methods for genitourinary reconstruction, discussing tissue sources and complications but presenting no new clinical findings.

The researchers developed a technique for processing and staining free hair samples using paraffin embedded blocks, revealing that routine staining does not color the enucleated cuticle, while the cortex and medulla show distinct colorations when stained.

This study observed that treating human hair with NaOH led to partially removed cuticles, resulting in better fiber cohesion and mechanical properties similar to wool, unlike bleach or formic acid treatments, which weakened the fibers.

In this study, researchers identified hair follicle stem cells in the bulge region of canine hair follicles, suggesting potential applications for future translational research.

This study demonstrated that using a mass spectrometry imaging technique, researchers were able to visualize the incorporation of argan, avocado, and coconut oils into hair fibers, suggesting their potential in cosmetic and alopecia treatments by confirming oil absorption and fiber modification.

This review discusses mucocutaneous manifestations associated with Covid-19, classifies the lesions, and describes their characteristics and treatments but reports no new clinical findings.

This study proposes a new method to selectively isolate keratin-associated proteins and keratin from human hair, suggesting that KAPs may support keratin fibers in hair structure.

This study observed that repeated perm treatments decrease disulfide bonds in hair due to their conversion largely into cysteic acid, affecting the waving efficiency depending on the reduction agent used.

This study developed a rapid method to extract proteins from human hair, revealing phosphorylation on serine and threonine residues in alpha-keratins and matrix proteins.

This article discusses how drug molecules integrate into hair fibers, focusing on biological transport mechanisms and physicochemical factors, but reports no new experimental findings.

This study found that the S100A3 gene is exclusively expressed in hair follicle cells differentiating into hair shaft components in mice, suggesting its important role in hair formation.

This review discusses the current understanding of androgen biosynthesis, mechanisms of action, and their roles in human biology, as well as related congenital and acquired disorders, but it reports no new research findings.

This study found that early life stress significantly affects hedonic sensitivity to high-palatable food by altering gonadal hormones in prenatally-stressed male and female rats, with sex-dependent changes in reward-related behaviors and neurochemistry.

This article reviews various reconstructive surgery techniques for scalp wounds and emphasizes factors affecting aesthetic outcomes, but it presents no new clinical findings.

This review discusses in vitro methods for evaluating the effects of hair care products on hair fibers, reporting no new results; the authors emphasize the importance of selecting appropriate and accurate equipment for testing.

This study found that hydrogenated palm oil effectively conditions damaged hair by preventing water-induced swelling, with TOF-SIMS analysis showing that its component tripalmitin penetrates the hair's cuticle and outer cortex.

This paper discusses the lack of a genetic model for androchronogenic alopecia in rodents, noting the stumptailed macaque as a better current model due to its similarities to human male-pattern baldness; it reports no new results.

This study suggests that variations in α-keratin proteins influence the structure and characteristics of wool fibers, indicating that keratin genes could serve as useful markers for identifying different wool traits.

This study found that canine hair follicle stem cells are located in the isthmus/bulge region of the hair follicle, surrounded by telocytes.

This study utilized advanced imaging techniques to quantify hair damage and dye uptake dynamics, revealing that compound penetration in hair is influenced by molecule size and lipophilicity.

In this study, the researchers reported the detailed anatomical structure of horse skin, including the composition and organization of the epidermis, dermis, and associated glands and follicles.

This study suggests that the adrenal gland may contribute to prostate cancer treatment resistance and indicates potential steroid production or dependency in ovarian cancer.

Hair loss caused by genetics and hormones; more research needed for treatments.

This study found that the population of Smilax aristolochiifolia in the Poblano Totonacapan region of Mexico has decreased over the past 50 years, mainly due to land-use changes and herbicide use.