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Immobilization of biofunctional molecule with potential osteoinductive efficacy on titanium implant for promoting early-stage osseointegration.
J Craniomaxillofac Surg
January 2025
Department of Oral and Maxillofacial Surgery, Kanazawa Medical University, Ishikawa 920-0293, Japan.
In the present study, porcine-derived collagen type I was covalently immobilized on the surface of titanium (Ti) implants via carboxyl groups introduced by bonded p-vinylbenzoic acid to investigate its in vitro biocompatibility with gingival stem cells and in vivo bone regeneration behavior in the edentulous ridges of Lanyu small-ear pigs at weeks 2 and 6 (short-term effectiveness) through micro-computed tomography and histological analysis. Analytical results found that gingival stem cells showed effective adhesion and spreading on these collagen-immobilized implant surfaces. After 2 and 6 weeks of healing, significant differences in Hounsfield units were observed among the control (week 2 (674.
View Article and Find Full Text PDFHistological and genetic features and therapeutic responses of lung cancers explored via the global analysis of their metabolome profile.
Lung Cancer
January 2025
Department of Respiratory Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan.
Background: Lung cancer is the deadliest disease globally, with more than 120,000 diagnosed cases and more than 75,000 deaths annually in Japan. Several treatment options for advanced lung cancer are available, and the discovery of biomarkers will be useful for personalized medicine. Using metabolome analysis, we aimed to identify biomarkers for diagnosis and treatment response by examining the changes in metabolites associated with lung cancer progression.
View Article and Find Full Text PDFIntracholecystic papillary neoplasm: A case report.
Int J Surg Case Rep
January 2025
Faculty of Medicine of Tunis, Tunis El Manar University, Djebal Lakhdar Street, 1006 Tunis, Tunisia; Department of Pathology, Habib Thameur Hospital, 1082 Tunis, Tunisia. Electronic address:
Introduction And Importance: More needs to be understood concerning the natural progression and visual attributes of intracholecystic papillary neoplasm. Its longevity, especially the rate at which it transitions from benign to malignant growths, remains ambiguous. Consequently, it is imperative to elucidate the intrinsic progression of this precancerous lesion in the gallbladder.
View Article and Find Full Text PDFEarliest evidence for heavy metal pollution on wildlife in Middle Age Europe.
Environ Pollut
January 2025
Université de Lyon, UCBL, ENSL, CNRS, UMR 5276 LGL-TPE, 69622 Villeurbanne, France. Electronic address:
Effects of past anthropogenic metal pollution on the wildlife are understudied. We investigate trace element incorporation in the dentition of a 1000 BP-year-old brown bear from the Romanian Carpathians, an area known historically for strong metallurgical activities. Background values as well as unnatural high lead (Pb), lithium (Li) and zinc (Zn) levels in a circa 5‒6-year-old brown bear male were detected using trace element maps across its functional dentition.
View Article and Find Full Text PDFAtgl-dependent adipocyte lipolysis promotes lipodystrophy and restrains fibrogenic responses during skin fibrosis.
J Invest Dermatol
January 2025
Dept. of Molecular, Cellular, and Developmental Biology, Yale University, New Haven, Connecticut, USA; Dept. of Dermatology, Yale School of Medicine, New Haven, Connecticut, USA. Electronic address:
During skin fibrosis, extracellular matrix (ECM) proteins are overproduced, and resident lipid-filled, mature dermal adipocytes are depleted in both human disease and mouse models. However, the mechanisms by which the reduction in lipid-filled adipocytes occurs during fibrosis are not well understood. Here, we identify that adipocyte lipolysis via the rate limiting enzyme, adipocyte triglyceride lipase (Atgl), is required for loss of adipose tissue during skin fibrosis in mice.
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