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Bioactive Functionalized Chitosan Thermo-Responsive Hydrogels as Promising Platforms for Therapeutic, Regenerative Oral, and Maxillofacial Applications.
Biotechnol J
January 2025
Department of Marine Biotechnology & Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Maritime University, Dhaka, Bangladesh.
Due to their superior physicochemical features, chitosan thermosensitive hydrogels are multipurpose platforms that are frequently used in the biomedical industry. Many investigations have been conducted recently to modify their pore dimensions, expansion, biodegradability, stimulus-reaction characteristics, and other characteristics in order to better tailor them to the complex craniofacial tissues. They have been the focus of various studies that have attempted to load biological cargos for therapeutic and regenerative uses in the oro-facial tissues.
View Article and Find Full Text PDFTranscriptomic Profiling Reveals 17β-Estradiol Treatment Represses Ubiquitin-Proteasomal Mediators in Skeletal Muscle of Ovariectomized Mice.
J Cachexia Sarcopenia Muscle
February 2025
Division of Physical Therapy and Rehabilitation Science, Department of Family Medicine and Community Health, University of Minnesota, Minneapolis, Minnesota, USA.
Background: With a decline of 17β-estradiol (E2) at menopause, E2 has been implicated in the accompanied loss of skeletal muscle mass and strength. We aimed at characterizing transcriptomic responses of skeletal muscle to E2 in female mice, testing the hypothesis that genes and pathways related to contraction and maintenance of mass are differentially expressed in ovariectomized mice with and without E2 treatment.
Methods: Soleus and tibialis anterior (TA) muscles from C57BL/6 ovariectomized mice treated with placebo (OVX) or E2 (OVX + E2) for 60 days, or from skeletal muscle-specific ERα knockout (skmERαKO) mice and wild-type littermates (skmERαWT), were used for genome-wide expression profiling, quantitative real-time PCR and immunoblotting.
FDA-approved drugs featuring macrocycles or medium-sized rings.
Arch Pharm (Weinheim)
January 2025
Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing, China.
Macrocycles or medium-sized rings offer diverse functionality and stereochemical complexity in a well-organized ring structure, allowing them to fulfill various biochemical functions, resulting in high affinity and selectivity for protein targets, while preserving sufficient bioavailability to reach intracellular compartments. These features have made macrocycles attractive candidates in organic synthesis and drug discovery. Since the 20th century, more than three-score macrocyclic drugs, including radiopharmaceuticals, have been approved by the US Food and Drug Administration (FDA) for treating bacterial and viral infections, cancer, obesity, immunosuppression, inflammatory, and neurological disorders, managing cardiovascular diseases, diabetes, and more.
View Article and Find Full Text PDFAdvances in liver organoids: replicating hepatic complexity for toxicity assessment and disease modeling.
Stem Cell Res Ther
January 2025
Organoid Innovation Center, Suzhou Institute of Nanotech and Nano-bionics, Chinese Academy of Sciences, 398 Ruoshui Rd, Suzhou, Jiangsu, 215123, China.
The lack of in vivo accurate human liver models hinders the investigation of liver-related diseases, injuries, and drug-related toxicity, posing challenges for both basic research and clinical applications. Traditional cellular and animal models, while widely used, have significant limitations in replicating the liver's complex responses to various stressors. Liver organoids derived from human pluripotent stem cells, adult stem cells primary cells, or tissues can mimic diverse liver cell types, major physiological functions, and architectural features.
View Article and Find Full Text PDFLifesaving surgical approaches for severe penetrating knife injury to the neck.
J Cardiothorac Surg
January 2025
Institute of Cardiovascular and Thoracic Surgery, Madras Medical College, Chennai, India.
Background: Penetrating neck injuries are rare and require urgent surgical intervention to prevent life-threatening complications. This report highlights a unique case involving complex surgical repair of tracheal, esophageal, and vascular injuries following a homicidal assault, emphasizing the challenges and techniques used in managing such severe trauma.
Case Presentation: A 45-year-old female presented with a severe penetrating neck injury after an alleged homicidal assault with a knife.
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