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In this study, the researchers reported extensive gene loss and high pseudogenization rates of α-keratin genes in cetaceans compared to terrestrial mammals, likely linked to hair loss and aquatic adaptations.

This study highlights the loss of hair-type keratin genes in cetaceans compared to terrestrial mammals, suggesting a potential adaptive role linked to their hairless phenotype and habitat changes.

This study found that cetaceans have adapted their fibroblast growth factors to assist in low bone density, hypoxia tolerance, and the development of rigid flippers, reflecting significant evolutionary changes for aquatic life.

This study found that Fraser's Dolphin, a tight-skinned mammal, can regenerate complex skin architecture with minimal scarring after large full-thickness wounds, even in high-tension environments, offering insights into regenerative healing mechanisms typically obscured by fibrotic responses.

This study identified significant differences in medullary structure, hair length, and root diameter among dorsal guard hairs of red foxes, golden jackals, and gray wolves in Turkey.

In this study, researchers discovered that the MafB gene, which is important for macrophage differentiation, shows high expression in the pancreas and is influenced by sex steroids, with varied expression patterns in hamster tissues and during reproductive phases.

This study found that the Hr gene loss and positive selection for the FGF5 gene in cetaceans likely contributed to hair loss as these animals adapted to aquatic environments.

Terrestrial vertebrates have balanced keratin gene clusters, unlike teleost fish.

In this study, oral Tribulus terrestris extract significantly increased MSH expression in mouse hair follicle melanocytes, suggesting enhanced melanocyte activity and migration.

In this animal study on albino rats, researchers reported that Tribulus terrestris extract significantly reduced liver damage markers caused by cyproterone acetate, suggesting a protective effect on liver function against this drug's hepatotoxicity.

The study found that Tribulus terrestris extract, when administered in varying doses to C57BL/6J mice, may significantly increase MC-1R expression in hair follicle melanocytes.

This study found that keratin genes in the epidermis of aquatic mammals like cetaceans have evolved to replace stress-inducible keratins K1 and K10 with constitutively expressed K6 and K17, suggesting adaptations to their environment.

This study suggests that the keratins found in reptile and bird skin appendages evolved independently from mammalian hair keratins, highlighting convergent evolution in these species.

This research found that variations in the KRTAP gene family are likely responsible for the diverse hair phenotypes seen among mammals, influenced by gene repertoire differences, expression, and evolutionary factors.

This study found that in beagles with benign prostate hyperplasia, finasteride treatment increased blood volume and decreased vessel leakiness in the prostate's parenchymal zone as shown by dynamic contrast-enhanced MRI.

The wolves suspected of man-eating in the 1880s likely ate very little human flesh and mostly consumed a diet similar to herbivores and omnivores.

This study identified several herbs, including Ganoderma lucidum and Urtica dioica, that showed promising 5α-reductase inhibitory activity suggesting potential use in managing androgenic disorders.

This study found that Tribulus terrestris L. extract promoted significant hair growth and reduced skin inflammation in Wistar rats, while Urtica cannabina extract, Glycyrrhiza glabra extract, and Tribulus terrestris L. extract all led to uniform hair growth over 28 days compared to other tested extracts.

This study found that tribuloside, a flavonoid from Tribulus terrestris L., enhances melanin production in human melanocytes, zebrafish, and human skin samples without causing toxicity, potentially through inhibiting PDE to increase cAMP levels and promote the melanin biosynthesis pathway.

In this study, researchers reviewed various traditional herbal remedies, such as Tribulus terrestris and Matricaria chamomilla, focusing on their global medicinal use and discussing some of the chemical components that contribute to their biological activity.

This article discusses the various administration methods and considerations for testosterone replacement therapy, highlighting the importance of individualized therapeutic monitoring and potential adverse effects, but reports no new clinical results.

This article discusses the MaasaLong male enhancement supplement, which claims to improve erectile dysfunction and overall male health but provides no new empirical results.

This study explains how the development of keratin-associated proteins in embryonic epidermis is crucial for forming protective barriers in vertebrates, enabling them to adapt to terrestrial environments.

In this study, adding δ34S isotope analysis to models modestly improved precision in estimating grizzly bears' salmon and terrestrial diets, but contributed little new information.

In this study, researchers discussed how specific protein interactions in reptile skin allow for the development of protective structures like scales and scutes, which facilitated reptiles' adaptation to terrestrial environments.

This article discusses the benefits and risks of fish consumption, such as omega-3 benefits and mercury toxicity, but reports no new clinical results; it calls for careful consideration of these factors.

This article is a promotional piece about the MaasaLong supplement, which is claimed to improve male health concerns like erectile dysfunction, with no new empirical research results reported.

This perspective highlights the potential of reptile integument as an experimental model to understand the evolution of amniote skin structures, but reports no new research findings.

This study reports that the white rhinoceros has a unique integumentary structure among large herbivores, characterized by thick epidermis, organized collagen bundles, and the presence of coiled sweat glands.

In this study, researchers propose that different vertebrate skin appendages, such as hair, feathers, and scales, evolved in parallel from a shared ancestral cell structure associated with teeth, dating back approximately 420 million years ago.