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This study suggests that the protease HAT-L4 plays a significant role in maintaining epidermal barrier function to prevent body fluid loss, as its absence in mice led to increased fluid loss and higher mortality.

This study found that in Pomeranians with Alopecia X, key genes in the Wnt and Shh signaling pathways and stem cell markers are downregulated, which may explain the absence of anagen hair follicles.

This literature review compiles and analyzes current research on turmeric essential oil's active compounds, reporting their potential therapeutic applications across various medical conditions due to their unique pharmacological profiles and absence of toxicity.

In this study, researchers discovered that ROR2, a Wnt receptor, plays a crucial role in regulating hair follicle stem cell self-renewal and maintenance, compensating for the absence of β-catenin.

This study found that MED1 plays a role in maintaining keratinocyte quiescence and hair follicle stem cell populations, as its absence in mice led to increased keratinocyte proliferation and reduced stem cell numbers.

This study found that inhibiting 5α-reductase in molluscs provokes a specific shell morphology, suggesting gastropods might have unique 5α-reductase substrates absent in vertebrates.

In this case report, a 9-year-old Samoyed dog with a history of dermatitis showed symptoms compatible with chronic sebaceous adenitis, marked by the absence of sebaceous glands and non-granulomatous skin infiltration.

This study found that NFIB and STAT5 work together to regulate mammary-specific genetic programs in mice, with their combined absence hindering functional alveoli formation.

This study reported that cortisone, testosterone, and thyroxine replacement therapy increased energy and hair growth, while decreasing cold sensitivity, in the absence of tumor recurrence.

This study found that keratin-associated proteins form part of the developing exocuticle and a-layer in hair fiber cuticle cells, while cornified envelope proteins were absent.

In this study, researchers found that microglia play a crucial role in neurogenesis and brain regeneration in zebrafish by regulating inflammatory signaling, and their absence impairs these processes.

This study found that single-dose x-ray irradiation in rat calvaria skin led to morphological changes in collagen fibers, disorganization, and a temporary absence of sebaceous glands and hair follicles.

This study found that ALKBH5 plays a critical role in wound re-epithelialization by enhancing the stability of PELI2 mRNA, and its absence delays wound healing. Supplementation with PELI2 can partially rescue this delay, pointing to potential new therapies for stubborn wounds.

This paper presents a case study of a 21-year-old male with thyroid hemiagenesis, where the left thyroid lobe and isthmus are absent, and discusses the anomaly's potential clinical consequences based on existing literature.

This study describes a newly observed "inflammatory vellus involvement" pattern in early frontal fibrosing alopecia, which may lead to misdiagnosis due to the absence of typical histological features.

This case report discusses a successful treatment of Alopecia Areata with tofacitinib and includes a literature review on the condition's pathophysiology and the mechanism of JAK inhibitors, though it notes the high failure rate of available treatments and absence of FDA-approved options.

This case report describes a female Rottweiler with generalized congenital hypotrichosis, where most skin biopsies showed a complete absence of follicular development, marking only the second documented case of this genodermatosis in female dogs.

This review reports that nirmatrelvir-ritonavir has significant drug-drug interactions with many common dermatological medications, whereas molnupiravir may be an alternative therapy due to the absence of such interactions observed so far.

This case study highlights congenital atrichia with papular lesions as a cause of total body hair loss, characterized by the absence of hair follicles and the presence of skin-colored papules.

This study found that fatty acid desaturation regulated by SCD1 is crucial for hair growth by maintaining hair follicle stem cell niches, with its absence causing abnormal hair growth in mice.

In this report, a 1-year-old boy with congenital atrichia with papular lesions was found to have a complete absence of scalp and body hair and keratin-filled cysts due to a mutation in the hairless gene.

This study suggests that the hairless gene encodes a nuclear factor important for hair follicle integrity, and its absence leads to hair follicle loss and defects in tissue development.

In this study, researchers found that K17−/− mice suffered more severe hair follicle damage but showed reduced epidermal inflammation after ionizing radiation, with K17's absence leading to aberrant cell cycle progression due to altered p53 genome binding and reduced B-Myb degradation.

This study classified long COVID patients into five symptom clusters and found that clusters 2 and 3 were associated with higher rates of autonomic dysfunction and work absences, respectively.

This study identifies a specific subtype of Telogen Effluvium associated with scalp dysesthesia, such as itch or burning, in the absence of any inflammatory scalp disorder or medication association.

This study found that when human hair follicles are immersed in hydrogen peroxide, the resulting oxygen bubbles indicate catalase activity, and their absence may suggest tissue death.

In this study, a patient with Cronkhite-Canada syndrome complicated by severe sepsis and disseminated intravascular coagulation was successfully treated using combined therapies, including recombinant human soluble thrombomodulin, despite the absence of a standard treatment regimen for CCS.

In this study, researchers found that dermatological diseases like atopic dermatitis, psoriasis, and hidradenitis suppurativa impact women's work performance and daily activities more severely than men's, with women reporting higher absenteeism and work impairment and lower work ability scores.

This study identified significant patient frustration with limited access to treatments for alopecia areata in Germany, exacerbated by the absence of health insurance reimbursement for necessary medications.

This case report describes a 22-year-old female with pseudoglucagonoma syndrome, where necrolytic migratory erythema resolved after treatment with topical steroids, emollients, and intravenous protein infusions, despite normal glucagon levels and absence of a glucagon-secreting tumor.