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Epidermal stem cells residing in the skin play an essential role in epidermal regeneration. When skin is injured, the stem cells are first activated to proliferate, and subsequently the progeny migrate and differentiate to regenerate the epidermis. Here, we demonstrate that the vitamin D receptor (VDR) is essential for these processes to occur. The requirement for VDR on epidermal stem cell functi...
Pyoderma gangrenosum (PG) is a rare ulcerative skin disease of unknown etiology often associated with systemic inflammatory conditions, most commonly inflammatory bowel disease (IBD). The most common presentation of PG is spontaneous rapid formation of an extremely painful ulcer on the extremities, associated with significant morbidity and mortality. Rarely, PG can also occur as a chronic peristom...
Corticoids are actives widely used in the treatment of skin diseases. This work aims to study the penetration of three corticoids (betamethasone, clobetasol and flurandrenolide), their relationship with their Log D values and the effects of the vehicles. The three compounds were applied on a Franz-type diffusion cell in propylene glycol solution and their respective commercial creams and ointments...
Mother-infant skin-to-skin contact (SSC) immediately after birth helps transition infants to the post-uterine environment and increases the likelihood of breastfeeding initiation and duration. This study examines trends in U.S. maternity practices related to SSC, and variations by facility demographics.
High-frequency ultrasonography has become an important diagnostic tool in dermatovenerology. It is used for assessment of the cutaneous layers in diverse benign and malignant skin lesions and diseases. Herein we present the practical value of preoperative measurement of cutaneous melanoma thickness, the explanation of the possible reasons for different sonographic and histologic Breslow thickness,...
To provide an overview of osteomyelitis.
The transcutaneous oxygenation measurement (TCOM) system is useful in assessing tissue viability. There are no clear recommendations regarding the duration required for the electrode to equilibrate and reliably evaluate tissue oxygenation values. The objective of this study was to validate the duration required to achieve electrode equilibration in a clinical setting.
The authors aimed to explore the feasibility and safety of an advanced, acellular, flowable wound matrix (FWM) in patients with diabetes-related cavity or tunnel lesions involving deep structures.
To examine the prevalence and characteristics of medical device-related pressure injuries (MDR PIs) in a large, generalizable database.
Early premature infants are subjected to many invasive procedures in neonatal intensive care units, and effective skin antisepsis is an essential step in caring for these vulnerable patients. Nevertheless, preterm infants have an anatomically and physiologically immature skin and preserving their skin integrity is essential to avoid the risk of local and systemic complications. Skin particularitie...
The aim of this study was to evaluate the contribution of the duration of skin-to-skin contact (SSC) on blood glucose levels at 2 hours after birth in healthy full-term infants. This observational study was done at one of the baby-friendly hospitals located in Aichi, Japan in 2009. Sixty newborn infants who were born vaginally from uncomplicated pregnancies were participated. All infants were held...
Interconnected microporous biodegradable and biocompatible chitin/silk fibroin/TiO nanocomposite wound dressing with high antibacterial, blood clotting and mechanical strength properties were synthesized using freeze-drying method. The prepared nanocomposite dressings were characterized using SEM, FTIR, and XRD analysis. The prepared nanocomposite dressings showed high porosity above 90% with well...
A Pooled Analysis of the Phase 3 REVIVE Trials: Randomized, Double-blind Studies to EValuate the Safety and Efficacy of Iclaprim Versus Vancomycin for trEatment of Acute Bacterial Skin and Skin Structure Infections.
Iclaprim, a diaminopyrimidine antibiotic, was compared with vancomycin for the treatment of patients with acute bacterial skin and skin structure infections (ABSSSIs) in two studies (REVIVE-1 and REVIVE-2).
Introduction: Non-melanoma skin cancer is the most common type of cancer among the population of Ukraine. The aim: The study of clinical efficacy of dynamic observation of patients with epidermal dysplasia of the skin.
Introduction: Psoriasis is a skin disease that is accompanied by systemic inflammation and affects about 1 to 5% of the population worldwide. Taking into consideration the data of scientific investigation, at present psoriasis is explained as genetically determined chronic multi factor polysystemic dermatosis. The aim of our research was to determine morphological peculiarities of skin lesions in ...
Implants decorated with antimicrobial peptides (AMPs) can prevent infection and reduce the risk of creating antibiotic resistance. Yet the restricted mobility of surficial AMP often compromises its activity. Here, we report a simple but effective strategy to allow a more flexible display of AMP on the biomaterial surface and demonstrate its efficacy for wound healing. The AMP, tachyplesin I (Tac),...
The role of non-aureus staphylococci (NAS) in the risk of acquisition of intramammary infections with Staphylococcus aureus is vague and still under debate. The objectives of this study were to (1) investigate the distribution patterns of NAS species from milk and teat skin in dairy herds with automatic milking systems, and (2) examine if the isolated NAS influences the expression of S. aureus vir...
There is conflicting evidence as to whether Bacillus Calmette-Guérin (BCG) vaccination offers protection against Mycobacterium tuberculosis infection ascertained by a positive tuberculin skin test (TST). We investigated the association between BCG vaccination status and TST results in a set of surveys at increasing TST cut-off values to take cross-reactions to BCG vaccination into account.
Near infrared (NIR) radiation has been widely used in medicine and biomedical engineering. In spite of numerous studies the molecular mechanism of NIR radiation on biological systems has not been established as yet. The objective of this work was examination of the effect of NIR irradiation on the skin components. Modifications of lipid organization after NIR exposure vs. temperature (from 20 to 9...
We synthesized and investigated the effects of a novel peptide B, RRFSLLRY as a novel PAR-2 antagonist. Peptide B decreased calcium levels in HaCat cells stimulated with trypsin and PAR-2 activator (SLIGKV) and cytokeratin 14 and PCNA was decreased by peptide B. Peptides B also reduced the expression of inflammatory cytokines such as TNF-α and interleukin-6. Significant increase of oxazolone-indu...