With increasing age and edentulism, numerous esthetic changes occur to the perioral region. The upper lips lose definition, flatten, and lengthen, the cupid's bow is lost, and the oral commissures descend. The nasolabial folds deepen, marionette lines become prominent, vertical rhytids around the lips form, and chin rhytids form. Chronic exposure to UVA radiation from the sun can lead to photodamage, characterized by wrinkles, lentigines, actinic keratoses, and other pigment changes. In addition, edentulism leads to jaw atrophy, which often compromises soft tissue support. Removable dentures, the conventional treatment to restore missing teeth, not only replace teeth, but also provide support to the lips via the labial flange. Implant-supported fixed prostheses are a very popular option to restore completely edentulous arches; these prostheses are flangeless, providing no bulk to the lips. Addressing changes in the perioral region due to aging and edentulism requires a combination of treatments, with each addressing different issues. Onabotulinum toxin A can be used to treat dynamic perioral and chin rhytids, and upturn the corners of the mouth. Hyaluronic acid filler can be used to treat deep nasolabial folds, marionette lines, and re-volumize the lips. Chemical peels can treat photodamaged skin, static rhytids, and other dermatologic pathologies. The subnasal lip lift, developed by Cardoso and Sperli in 1971, has become an increasingly common technique used to rejuvenate the upper lip in elderly and edentulous patients. This case report describes an elderly patient who was treated with a combination of subnasal lip lift, hyaluronic acid filler, onabotulinum toxin A, and chemical peel to achieve superior perioral esthetics. This case highlights the synergy of each procedure when done in combination to achieve highly effective results.
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http://dx.doi.org/10.3290/j.qi.b3877547 | DOI Listing |
Carbohydr Polym
March 2025
State Key Laboratory of Complex Severe and Rare Diseases, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100005, PR China. Electronic address:
Photodynamic therapy (PDT) eradicates tumor cells by the light-stimulated reactive oxygen species, which also induces lipid peroxidation (LPO) and subsequently ferroptosis, an iron-depended cell death. Ferroptosis has a tremendous therapeutic potential in cancer treatment, however, the ferroptosis efficiency is largely limited by the available iron in cells. Through hijacking the CD44-mediated iron endocytosis of hyaluronan (HA), here PDT with enhanced ferroptosis was realized by a HA@Ce6 nanogel self-assembled from HA, a photosensitizer Chlorin e6 (Ce6) and Fe as cross-linkers.
View Article and Find Full Text PDFCarbohydr Polym
March 2025
College of Food Science and Engineering, Ocean University of China, Qingdao, 266404, PR China; Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, 168 Wenhai Middle Road, Qingdao, 266237, China.
Hyaluronic acid (HA), a vital polysaccharide naturally present in human tissues, is widely utilized in the food, pharmaceutical and cosmetic industries due to its diverse functionalities and bioactivity. Rapid and accurate quantification of HA is essential for the quality control of its products. Enzymatic quantification methods, known for their simplicity and high specificity, were employed for polysaccharide measurement.
View Article and Find Full Text PDFCarbohydr Polym
March 2025
National Glycoengineering Research Center and Shandong Key Laboratory of Carbohydrate Chemistry and Glycobiology, Shandong University, Qingdao, Shandong 266237, China; Suzhou Research Institute of Shandong University, Suzhou, Jiangsu 215123, China. Electronic address:
Camptothecin (CPT) exhibits potent anticancer activity, but its clinical application is limited by poor solubility and severe side effects. Hyaluronic acid (HA) is gaining attention in drug delivery systems due to its excellent biocompatibility and tumor-targeting properties. In this study, we conjugated CPT to the reducing end of ultra-low molecular weight HA to create a series of HA-decorated CPT conjugates.
View Article and Find Full Text PDFBiosens Bioelectron
January 2025
College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Institute of Molecular and Nano Science, Shandong Normal University, Jinan, 250014, PR China; Laoshan Laboratory, Qingdao, 266237, PR China. Electronic address:
The γ-glutamyl transpeptidase (γ-GGT) is an important tumor marker, which has been reported to be firmly associated with the developmental stage of liver cancer. Therefore, it makes sense to image and monitor γ-GGT level and design γ-GGT-responsive prodrug for integrated diagnosis and treatment of liver cancer. Herein, we prepare a doxorubicin (Dox) prodrug for imaging γ-GGT and on-demand treating liver cancer.
View Article and Find Full Text PDFJ Clin Gastroenterol
January 2025
Department of Surgery, Oncology and Gastroenterology, University of Padua.
Among the various factors implicated in the pathogenesis of gastroesophageal reflux disease (GERD), visceral hypersensitivity and mucosal resistance have been recently re-evaluated in relation to the increasing phenomenon of proton pump inhibitor failure, particularly in patients with nonerosive reflux disease (NERD). Intensive research has allowed us to understand that noxious substances contained in the refluxate are able to interact with esophageal epithelium and to induce the elicitation of symptoms. The frequent evidence of microscopic esophagitis able to increase the permeability of the mucosa, the proximity of sensory afferent nerve fibers to the esophageal lumen favoring the higher sensitivity to noxious substances and the possible activation of inflammatory pathways interacting with sensory nerve endings are pathophysiological alterations confirming that mucosal resistance is impaired in GERD patients.
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