Stem cell membrane-coated abiotic nanomaterials for biomedical applications.

Nanoscale materials have been extensively employed for diagnostic and therapeutic purposes. However, the developed nanosystems still suffer from some limitations, namely the rapid elimination by the immune system, lack of targeting to specific cells, and insufficient biocompatibility. Therefore, novel strategies based upon a biomimetic approach have received attention to improving the pharmacokinetics and safety profile of nanosystems.

Efficacy of different neoadjuvant treatment regimens in BRCA-mutated triple negative breast cancer: a systematic review and meta-analysis.

Purpose: Triple negative breast cancer (TNBC) is an aggressive breast cancer strongly associated with BRCA mutation. Standard neoadjuvant chemotherapy remains the standard of care for early stage TNBC, the optimal chemotherapy regimen is still a matter of discussion. Other agents, such as poly-ADP-ribosyl polymerase inhibitors (PARPi) and anti-vascular endothelial growth factor (VEGF) antibodies were evaluated in the neoadjuvant setting.

Cyclodextrins as an encapsulation molecular strategy for volatile organic compounds- Pharmaceutical applications.

The use of essential oils has gained importance due to their wide range of biological properties. Essential oils comprise a complex mixture of volatile organic compounds (VOCs), so the study of VOCs as active pharmaceutical ingredients is often more precise and fruitful. VOCs are natural origin molecules that constitute a sustainable alternative to synthetic drugs due to their important therapeutic value.

Stimuli-responsive liposomal nanoformulations in cancer therapy: Pre-clinical & clinical approaches.

The site-specific delivery of antitumor agents is of importance for providing effective cancer suppression. Poor bioavailability of anticancer compounds and the presence of biological barriers prevent their accumulation in tumor sites. These obstacles can be overcome using liposomal nanostructures.

Cyclodextrin-based delivery systems in parenteral formulations: A critical update review.

Parenteral formulations are indispensable in clinical practice and often are the only option to administer drugs that cannot be administrated through other routes, such as proteins and certain anticancer drugs - which are indispensable to treat some of the most prevailing chronic diseases worldwide (like diabetes and cancer). Additionally, parenteral formulations play a relevant role in emergency care since they are the only ones that provide an immediate action of the drug after its administration. However, the development of parenteral formulations is a complex task owing to the specific quality and safety requirements set for these preparations and the intrinsic properties of the drugs.

Application of nanotechnology in management and treatment of diabetic wounds.

Diabetic wounds are one of the most common health problems worldwide, enhancing the demand for new management strategies. Nanotechnology, as a developing subject in diabetic wound healing, is proving to be a promising and effective tool in treatment and care. It is, therefore, necessary to ascertain the available and distinct nanosystems and evaluate their performance when topically applied to the injury site, especially in diabetic wound healing.

Nanocarriers for the topical treatment of psoriasis - pathophysiology, conventional treatments, nanotechnology, regulatory and toxicology.

Psoriasis is a chronic inflammatory non-contagious disease normally characterized by a multisystemic inflammation with reddish plaques and whitish scales with greater incidence in the knees, feet and hands, elbow, scalp, and sacral areas. The global incidence of psoriasis rounds about 2% of the population and it is established that the pathophysiology of this skin disease is quite complex and still misunderstood. Nowadays, this pathology still has no cure, however, efforts are being made to find more effective and safe treatments as well as trying to decrease the occurrence of crises and complications.

Gut-Thyroid axis: How gut microbial dysbiosis associated with euthyroid thyroid cancer.

Thyroid cancer in humans has a fast-growing prevalence, with the most common lethal endocrine malignancy for unknown reasons The current study was aimed to perform qualitative and quantitative investigation and characterization of the gut bacterial composition of euthyroid thyroid cancer patients. The fecal samples were collected from sixteen euthyroid thyroid cancer patients and ten from healthy subjects. The PCR-DGGE was conducted by targetting the V3 region of 16S rRNA gene, as well as real-time PCR for and were carried.

Synergistic effects of carvacrol, α-terpinene, γ-terpinene, ρ-cymene and linalool against Gardnerella species.

Bacterial vaginosis (BV) is the most common vaginal infection affecting women worldwide. This infection is characterized by the loss of the dominant Lactobacillus community in the vaginal microbiota and an increase of anaerobic bacteria, that leads to the formation of a polymicrobial biofilm, mostly composed of Gardnerella spp. Treatment of BV is normally performed using broad-spectrum antibiotics, such as metronidazole and clindamycin.

Nanocarrier-based dermopharmaceutical formulations for the topical management of atopic dermatitis.

Atopic dermatitis (AD) is a chronic disease that affects the skin, and that is characterized by highly itchy inflammation, frequent eczematous lesions, and a fluctuating course. The current treatment consists of a multi-stage approach that aims to establish persistent disease control towards the improvement of the quality of life of the patients. Topical therapy is the basis of AD treatment, however, due to the difficulty of crossing the skin barrier, topical application of drugs remains a challenge.

Thymbra capitata essential oil has a significant antimicrobial activity against methicillin-resistant Staphylococcus aureus pre-formed biofilms.

Methicillin-resistant Staphylococcus aureus (MRSA) is a multidrug-resistant opportunistic pathogen with a great ability to form biofilms. Herein, the antimicrobial potential of Thymbra capitata essential oil (EO) against MRSA biofilms was investigated. The determination of the minimum inhibitory concentration (MIC) and the minimum lethal concentration (MLC) of the T.

Chemical characterization and bioactive potential of Thymus×citriodorus (Pers.) Schreb. preparations for anti-acne applications: Antimicrobial, anti-biofilm, anti-inflammatory and safety profiles.

Ethnopharmacological Relevance: Thymus × citriodorus (Pers.) Schreb. is an interspecific hybrid between Thymus pulegioides and Thymus vulgaris, known for its pharmacological activities as diaphoretic, deodorant, antiseptic and disinfectant, the last mostly related with its antimicrobial activity.

Chemical Composition and Biological Screening of the Essential Oils of Micromeria macrosiphon and M. arganietorum (Lamiaceae).

The chemical composition and in vitro biological activities of the essential oil (EO) of Micromeria macrosiphon Coss. and M. arganietorum (J.

Chenodeoxycholic Acid Has Non-Thermogenic, Mitodynamic Anti-Obesity Effects in an In Vitro CRISPR/Cas9 Model of Bile Acid Receptor TGR5 Knockdown.

Bile acids (BA) have shown promising effects in animal models of obesity. However, the said effects are thought to rely on a thermogenic effect, which is questionably present in humans. A previous work has shown that the BA chenodeoxycholic acid (CDCA) can revert obesity and accelerate metabolism in animal and cell culture models.

Prevention of UV-induced skin cancer in mice by gamma oryzanol-loaded nanoethosomes.

Aims: Skin cancer is the most widespread cancer worldwide, mainly caused by exposure to ultraviolet radiation (UV) in sunlight. Utilizing topical preventive agents in routinely daily used cosmetics may prevent UV-related skin damages and skin cancers. γ-Oryzanol (GO) is a natural component derived from rice bran oil, with potential antioxidant and skin anti-aging properties.

Ethosomes as Nanocarriers for the Development of Skin Delivery Formulations.

The use of nanotechnology has been extensively explored for developing efficient drug delivery systems towards topical and transdermal applications. Ethosomes constitute a vesicular nanocarrier containing a relatively high concentration of ethanol (20-45%). Ethanol is a well-known permeation enhancer, which confers ethosomes unique features, including high elasticity and deformability, allowing them to penetrate deeply across the skin and enhance drug permeation and deposition.

Unleashing the potential of cell membrane-based nanoparticles for COVID-19 treatment and vaccination.

: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a particular coronavirus strain responsible for the coronavirus disease 2019 (COVID-19), accounting for more than 3.1 million deaths worldwide. Several health-related strategies have been successfully developed to contain the rapidly-spreading virus across the globe, toward reduction of both disease burden and infection rates.

Portuguese honeys as antimicrobial agents against species.

Background And Aim: Honey has been recognized worldwide for its antioxidant, anti-tumor, anti-inflammatory and antimicrobial properties. Among them, the antifungal properties associated to honey make it an attractive alternative treatment for -associated infections, particularly for topical application to the mucous membranes and skin. In this sense, the main purpose of this work was to evaluate physicochemical properties of five Portuguese honeys and Manuka honey (an Australian honey with well recognized medical proprieties, used as control) and to evaluate the antifungal activity in species planktonic and biofilm assays.

Solanum linnaeanum and Solanum sisymbriifolium as a sustainable strategy for the management of Meloidogyne chitwoodi.

Root-knot nematodes (RKN), Meloidogyne spp., are important crop pests that cause severe losses in crop production worldwide, reducing both productivity and crop quality. Meloidogyne chitwoodi Golden, O'Bannon, Santo & Finley, 1980 is considered a quarantine organism by the European and Mediterranean Plant Protection Organization (EPPO) causing damage in tomato and potato crops.

Quinine in Otology and Neurotology: Ototoxicity and Historic Role in Therapy.

Objectives/hypothesis: Quinine, a cinchona bark-derived antimalarial alkaloid, is a known ototoxic. Isolated and named in 1820 by the French scientists Pierre-Joseph Pelletier and Joseph-Bienaimé Caventou, it has since been employed in the treatment of different maladies. Quinine was also recommended as a local anesthetic in surgical procedures in the early 20th century.

Antifungal and anti-inflammatory potential of the endangered aromatic plant Thymus albicans.

Thymus albicans is an endemic species of the Iberian Peninsula with a vulnerable conservation status. In an attempt to contribute to the valorization of this species, the present study brings new insights on the antifungal and anti-inflammatory mechanism of action of T. albicans essential oil.

Sodium bicarbonate gels: a new promising strategy for the treatment of vulvovaginal candidosis.

Vulvovaginal candidosis (VVC), caused mainly by the yeast Candida albicans, is the second most prevalent vaginal infection. It has been found to have a large impact on women's quality of life, self-esteem and routines. The prevalence of recurrent vulvovaginal candidosis (RVVC) remains high so the development of alternative treatments is needed.

Ficus plants: State of the art from a phytochemical, pharmacological, and toxicological perspective.

Ficus genus is typically tropical plants and is among the earliest fruit trees cultivated by humans. Ficus carica L. is the common fig, Ficus benjamina L.