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Topic Review
Propofol Sedation
Propofol is a commonly used intravenous sedative for ventilator-dependent patients. Its advantage over other sedative agents, such as benzodiazepines, is in its rapid onset and short half-life which allows for daily awakening and spontaneous breathing trials. The use of propofol is recommended by the Brain Trauma Foundation for the treatment of elevated intracranial pressure and sometimes prolonged continuous large doses are required.
  • 555
  • 07 Jul 2021
Topic Review
Diabetic Micro-Complication Management—Diabetic Neuropathy
The progression of diabetes leads to macro and microvascular complications, including diabetic neuropathy, which is the most prevalent microvascular complication with diabetes. Clinical manifestations of diabetic neuropathy begin with the loss of distal sensory function, pain, and substantial morbidity.
  • 554
  • 11 Nov 2021
Topic Review
Pectin-Based Hydrogels for Drug Delivery Applications
Among the various reported biopolymer-based hydrogel drug delivery systems, pectin (Pec) is an exceptional natural polymer due to its unique functionalities and excellent properties such as biocompatibility, biodegradability, low-cost, and simple gelling capability, which has received considerable interest in the drug delivery fields. 
  • 554
  • 05 Jan 2023
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.
  • 551
  • 21 Mar 2022
Topic Review
Curcumin-Loaded Silica Nanoparticles
Curcumin has multiple properties that are used to cure different diseases such as cancer, infections, inflammatory, arthritic disease, etc. Despite having many effects, the inherent physicochemical properties—such as poor water solubility, chemical instability, low bioavailability, photodegradation, fast metabolism, and short half-life—of curcumin’s derivatives have limited its medical importance. Mesoporous silica nanoparticles (MSNs) are promising drug delivery systems for more effective and safer treatment of several diseases, such as infections, cancers, and osteoporosis. Achieving a high drug loading in MSNs is critical to the success of this type of treatment. Their notable inherent properties—such as adjustable size and porosity, high pore volume, large surface area, functionality of versatile surfaces, as well as biocompatibility—have prompted extraordinary research on MSNs as multi-purpose delivery platforms.
  • 552
  • 08 Sep 2022
Topic Review
In Situ Smart Hydrogels
With the advances in biomaterials and the understanding of the tumor microenvironment, in situ stimulus-responsive hydrogels, also called in situ smart hydrogels, have been extensively investigated for local anticancer therapy due to their injectability, compatibility and responsiveness to various stimuli (pH, enzyme, heat, light, magnetic fields, electric fields etc.).
  • 551
  • 08 Oct 2022
Topic Review
Chronic Obstructive Pulmonary Disease (COPD)
Chronic obstructive pulmonary disease (COPD) is a lung disease primarily characterized by the presence of airflow limitation and inflammation, due to elevated inflammatory cells, especially neutrophils, in the lungs.
  • 550
  • 26 May 2021
Topic Review
Neurotensin and Neurotensin Receptors
The tridecapeptide neurotensin (NT) was isolated from the bovine hypothalamus. It is involved in gut motility and belongs to a family of bioactive peptides, including contulakin, xenopsin, LANT-6, and neuromedin, showing similar amino acid sequences at the C-terminal region; this sequence is essential for the physiological effects mediated by these peptides. Neurotensin is relevant in brain reward mechanisms. Its role in substance abuse needs to be explored in depth to open new therapeutic strategies.
  • 550
  • 17 May 2023
Topic Review
Oral Bioavailability and Regulatory Aspects
Oral bioavailability refers to the extent a substance or drug becomes completely available to systemic circulation or to its intended biological destination(s) via the oral route. High oral bioavailability reduces the amount of a drug necessary to achieve a desired pharmacological effect, therefore reducing the risk of side-effects and toxicity. Low oral bioavailability results in low efficacy and is a major reason for drug candidates failing to reach the market. Hence, oral bioavailability is one of the most important properties in drug design and development.
  • 549
  • 11 Oct 2021
Topic Review
Targeting Gut in Obesity: Signals from Inner Surface
Obesity is caused by prolonged energy surplus. Current anti-obesity medications are mostly centralized around the energy input part of the energy balance equation by increasing satiety and reducing appetite. Our gastrointestinal tract is a key organ for regulation of food intake and supplies a tremendous number of circulating signals that modulate the activity of appetite-regulating areas of the brain by either direct interaction or through the vagus nerve. Intestinally derived messengers are manifold and include absorbed nutrients, microbial metabolites, gut hormones and other enterokines, collectively comprising a fine-tuned signalling system to the brain. After a meal, nutrients directly interact with appetite-inhibiting areas of the brain and induce satiety. However, overall feeding behaviour also depends on secretion of gut hormones produced by highly specialized and sensitive enteroendocrine cells. Moreover, circulating microbial metabolites and their interactions with enteroendocrine cells further contribute to the regulation of feeding patterns. Current therapies exploiting the appetite-regulating properties of the gut are based on chemically modified versions of the gut hormone, glucagon-like peptide-1 (GLP-1) or on inhibitors of the primary GLP-1 inactivating enzyme, dipeptidyl peptidase-4 (DPP-4). The effectiveness of these approaches shows that that the gut is a promising target for therapeutic interventions to achieve significant weigh loss. 
  • 549
  • 24 Jan 2022
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