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Topic Review
Area under the Concentration-Time Curve-Guided Dosing of Vancomycin
The area under the concentration-time curve (AUC)-guided dosing tended to more strongly decrease the risk of acute kidney injury (AKI) than trough-guided dosing, and a lower risk of treatment failure was demonstrated for higher AUC/minimum inhibitory concentration (MIC) ratios (cut-off of 400). Higher AUCs (cut-off of 600 μg·h/mL) significantly increased the risk of AKI. Although Bayesian estimation with two-point measurement was recommended, the trough concentration alone may be used in patients with mild infections in whom vancomycin (VCM) was administered with q12h. To increase the concentration on days 1–2, the routine use of a loading dose is required. Therapeutic drug monitoring (TDM) on day 2 before steady state is reached should be considered to optimize the dose in patients with serious infections and a high risk of AKI. 
  • 345
  • 28 Mar 2022
Topic Review
Arginine Metabolism and Cancer
Arginine availability and activation of arginine-related pathways at cancer sites have profound effects on the tumor microenvironment, far beyond their well-known role in the hepatic urea cycle. Arginine metabolism impacts not only malignant cells but also the surrounding immune cells behavior, modulating growth, survival, and immunosurveillance mechanisms, either through an arginase-mediated effect on polyamines and proline synthesis, or by the arginine/nitric oxide pathway in tumor cells, antitumor T-cells, myeloid-derived suppressor cells, and macrophages. 
  • 1.1K
  • 24 Dec 2021
Topic Review
Arginine Metabolism in Oral Tongue Squamous Cell Carcinoma
Arginine is a semi-essential amino acid with a complex metabolism pathway and diverse functionality, which spans well beyond its role in the immune system. Cancers that are ‘arginine auxotrophic’ rely on extracellular arginine as a crucial substrate for proliferation and growth. Capitalizing on this vulnerability, there are numerous clinical trials evaluating the therapeutic benefits of depleting arginine in multiple types of cancer, including those occurring in the head and neck. However, head and neck cancers are different and are nonauxotrophic for arginine. Here, researchers explored the intricacies of arginine metabolism in tongue cancer in order to better understand the therapeutic potential of this biological vulnerability. 
  • 436
  • 13 Dec 2021
Topic Review
Arginine Signaling and Cancer Metabolism
Arginine is an amino acid critically involved in multiple cellular processes including the syntheses of nitric oxide and polyamine, and is a direct activator of mTOR, a nutrient sensing kinase strongly implicated in carcinogenesis. In this review, we will discuss arginine as a signaling metabolite, arginine’s role in cancer metabolism, arginine as an epigenetic regulator, arginine as an immunomodulator, and arginine as a therapeutic target. The different cell killing mechanisms associated with various cancer types will also be described.
  • 37.4K
  • 23 Feb 2023
Topic Review
Aripiprazole Lauroxil
Aripiprazole lauroxil is a prodrug of aripiprazole and is administered as an intramuscular injection. Once administered, aripiprazole lauroxil is first converted to N-hydroxymethyl aripiprazole by enzyme-mediated hydrolysis and is hydrolyzed again to aripiprazole. Aripiprazole was originally reported to be a partial agonist at D2and 5HT1Areceptors, with a combination of antagonistic activity at 5HT2Areceptors.
  • 686
  • 18 Jul 2021
Topic Review
Aromas Influencing the GABAergic System
Aromas have a powerful influence in people's everyday life and are known to exhibit an array of pharmacological properties, including anxiolytic, anti-stress, relaxing, and sedative effects. Numerous animal and human studies support the use of aromas and their constituents to reduce anxiety-related symptoms and/or behaviours. Although the exact mechanism of how these aromas exert their anxiolytic effects is not fully understood, the GABAergic system is thought to be primarily involved. The fragrance emitted from a number of plant essential oils has shown promise in recent studies in modulating GABAergic neurotransmission, with GABAA receptors being the primary therapeutic target. 
  • 1.1K
  • 19 Apr 2022
Topic Review
Aromatherapy for Symptom Relief in Patients with Burn
Aromatherapy, also known as essential oil therapy, uses plant, flower, or herb extracts to enhance health and wellbeing. Aromatic essential oils have been widely studied for first-degree burn injuries due to their ability to relieve pain, reduce scarring, as well as reduce inflammation and antimicrobial activity. 
  • 665
  • 24 Feb 2022
Topic Review
Aromatic Plants Metabolic Engineering
Secondary metabolites of aromatic plants are used in many health applications as drugs, pheromones, insecticides, fragrances, and antioxidants. Due to the huge commercial demand for these secondary metabolites, the need to overcome the insufficient productivity of aromatic plants has become a significant challenge. Plant breeding is a traditional, labor-intensive, and limited method to improve the ability of aromatic plants to produce secondary metabolites.
  • 528
  • 23 Dec 2022
Topic Review
Aronia Melanocarpa Products
Due to factors such as cultivar, fertilization, maturation or climate conditions, as well as the date of their harvest, chokeberries (Aronia melanocarpa) differ in their content of minerals, vitamins, carbohydrates, amino acids, organic acids, fats, aroma compounds and especially polyphenols, substances exerting a beneficial impact on health. 
  • 713
  • 12 Aug 2021
Topic Review
Arrhythmia-Related Cardiovascular Disease
Targeted cellular ablation is being increasingly used in the treatment of arrhythmias and structural heart disease. Catheter-based ablation for atrial fibrillation (AF) is considered a safe and effective approach for patients who are medication refractory. Electroporation (EPo) employs electrical energy to disrupt cell membranes which has a minimally thermal effect. The nanopores that arise from EPo can be temporary or permanent. Reversible electroporation is transitory in nature and cell viability is maintained, whereas irreversible electroporation causes permanent pore formation, leading to loss of cellular homeostasis and cell death. Several studies report that EPo displays a degree of specificity in terms of the lethal threshold required to induce cell death in different tissues. However, significantly more research is required to scope the profile of EPo thresholds for specific cell types within complex tissues. Irreversible electroporation (IRE) as an ablative approach appears to overcome the significant negative effects associated with thermal based techniques, particularly collateral damage to surrounding structures. With further fine-tuning of parameters and longer and larger clinical trials, EPo 
  • 549
  • 07 Jul 2021
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