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Topic Review
Lycorine Ameliorates Thioacetamide-Induced Hepatic Fibrosis in Rats
Liver fibrosis is a foremost medical concern worldwide. Lycorine—a natural alkaloid—has antioxidant, anti-inflammatory, and antitumor activates. Lycorine hinders TAA-induced liver fibrosis in rats, due to—at least partly—its antioxidative and anti-inflammatory properties, along with its ability to inhibit Signal Transducer and Activator of Transcription factor (STAT3) signaling.
  • 559
  • 21 Mar 2022
Topic Review
Applications of Antimicrobial Photodynamic Therapy
Originally discovered as a relatively new anticancer therapeutic technology, photodynamic therapy (PDT) has since evolved and is now used in many therapeutic technologies. For example, it is used against viruses, such as the recently reported antiviral activity against COVID-19, bacteria, fungi, and parasites, in treating neovascular disease, in environmental sanitation and pest control, and in many other applications. 
  • 559
  • 13 Apr 2022
Topic Review
Bioactivity of Steroidal Arylidene Derivatives
Steroids constitute a unique class of chemical compounds, playing an important role in physiopathological processes, and have high pharmacological interest. Due to their straightforward preparation and intrinsic chemical reactivity, steroidal arylidene derivatives are important synthetic intermediates for the preparation of other compounds, particularly bearing heterocyclic systems, in addition to their relevant bioactivity with potential pharmacological interest. 
  • 558
  • 29 Apr 2021
Topic Review
κ-Opioid Receptor Agonists
The κ-opioid receptor (KOR) belongs to the class of inhibitory G protein-coupled receptors (GPCRs), widely expressed throughout the central nervous system and peripheral tissues. Due to the implications of KOR activation, KOR agonists have attracted recent attention for their ability to produce analgesia without the harmful side effects typically associated with MOR activation. In addition, KOR agonists show the potential for the treatment of pruritis, multiple sclerosis, Alzheimer’s disease, immune mediated diseases such as osteoarthritis, atopic dermatitis, food allergy, gastrointestinal diseases, cancer, hypoxia and ischemia.
  • 557
  • 20 Feb 2023
Topic Review
Organic Germanium Compounds
Germanium is an essential microelement, and its deficiency can result in numerous diseases, particularly oncogenic conditions. Consequently, water-soluble germanium compounds, including inorganic and coordination compounds, have attracted significant attention due to their biological activity. 
  • 558
  • 01 Jun 2023
Topic Review
Exosomes in Neurodegenerative Diseases
Exosomes are small bilipid layer enclosed extracellular vesicles, which were once considered as a cellular waste and functionless. These nano-vesicles of 30–150 nm in diameter carry specific proteins, lipids, functional mRNAs, and high amounts of non-coding RNAs (miRNAs, lncRNAs, and circRNAs). As the exosomes content is known to vary as per their originating and recipient cells, these vesicles can be utilized as a diagnostic biomarker for early disease detection. 
  • 555
  • 19 Jan 2021
Topic Review
Adiponectin System (Rescue Hormone)
The adipose tissue, regardless of its role in generating and storing energy, acts as a key player as an endocrine tissue, producing a wide scale of cytokines/hormones called adipokines. Adipokines such as leptin, resistin, visfatin and osteopontin own pro-inflammatory effects on the cardiovascular system in some cases. In contrast, some adipokines have cardioprotective and anti-inflammatory impacts including adiponectin, omentin, and apelin.
  • 555
  • 12 Jul 2022
Topic Review
Liposomal Amphotericin B for Treatment of Leishmaniasis
The liposomal amphotericin B (AmB) formulation, AmBisome®, still represents the best therapeutic option for cutaneous and visceral leishmaniasis. However, the need for parenteral administration, its side effects and high cost significantly limit its use in developing countries. The recent advances in the development of topical and oral formulations of liposomal AmB are presented, in addition to the current knowledge on the physicochemical and pharmacological features of AmB.
  • 555
  • 24 Jan 2023
Topic Review
Advanced Drug Delivery for Treating Sjögren’s Dry Eye
Sjögren’s syndrome is a chronic and insidious autoimmune disease characterized by lymphocyte infiltration of exocrine glands. Patients typically present with dry eye (keratoconjunctivitis sicca), dry mouth (xerostomia), and other systemic manifestations. The current management for Sjögren's syndrome dry eye (SSDE) has been ineffective as it only targets ocular surface inflammation and dryness without addressing the specific disease process. Ophthalmologists often adopt a trial-and-error approach, which allows the cycle of dry eye disease (DED) to progress and potentially cause permanent damage to the lacrimal functional unit. Topical treatments also depend on patients' ability to administer eye drops and their compliance. These limitations emphasize the need for personalized, targeted treatments that address the underlying pathophysiology of SSDE. This article aims to present new advances in ocular drug delivery for more effective treatment.
  • 556
  • 10 Feb 2023
Topic Review
Endocytic Properties of vGPCRs
Endocytosis is a fundamental process involved in trafficking of various extracellular and transmembrane molecules from the cell surface to its interior. This enables cells to communicate and respond to external environments, maintain cellular homeostasis, and transduce signals. G protein-coupled receptors (GPCRs) constitute a family of receptors with seven transmembrane alpha-helical domains (7TM receptors) expressed at the cell surface, where they regulate physiological and pathological cellular processes. Several herpesviruses encode receptors (vGPCRs) which benefits the virus by avoiding host immune surveillance, supporting viral dissemination, and thereby establishing widespread and lifelong infection, processes where receptor signaling and/or endocytosis seem central. vGPCRs are rising as potential drug targets as exemplified by the cytomegalovirus-encoded receptor US28, where its constitutive internalization has been exploited for selective drug delivery in virus infected cells. Therefore, studying GPCR trafficking is of great importance.
  • 554
  • 30 Apr 2021
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