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Topic Review
Chronicles of Nanoerythrosomes
Nanoerythrosomes (NERs) are the carrier erythrocytes (C-ERs) which are recognized as modern day, novel, and smart drug delivery systems associated with increased bioavailability, improved pharmacokinetics, and low toxicity.
  • 661
  • 30 Apr 2021
Topic Review
Chrysin
Pharmacological profile of phytochemicals has attracted much attention to their use in disease therapy. Since cancer is a major problem for public health with high mortality and morbidity worldwide, experiments have focused on revealing the anti-tumor activity of natural products. Flavonoids comprise a large family of natural products with different categories. Chrysin is a hydroxylated flavonoid belonging to the flavone category. Chrysin has demonstrated great potential in treating different disorders, due to possessing biological and therapeutic activities, such as antioxidant, anti-inflammatory, hepatoprotective, neuroprotective, etc. Over recent years, the anti-tumor activity of chrysin has been investigated, and in the present review, we provide a mechanistic discussion of the inhibitory effect of chrysin on proliferation and invasion of different cancer cells. Molecular pathways, such as Notch1, microRNAs, signal transducer and activator of transcription 3 (STAT3), nuclear factor-kappaB (NF-κB), PI3K/Akt, MAPK, etc., as targets of chrysin are discussed. The efficiency of chrysin in promoting anti-tumor activity of chemotherapeutic agents and suppressing drug resistance is described. Moreover, poor bioavailability, as one of the drawbacks of chrysin, is improved using various nanocarriers, such as micelles, polymeric nanoparticles, etc. This updated review will provide a direction for further studies in evaluating the anti-tumor activity of chrysin.
  • 1.9K
  • 13 Oct 2020
Topic Review
Ciguatoxins in Fish
Ciguatoxins are very potent marine neurotoxins, that accumulate to toxic levels in edible fish in certain circumtropical areas, and are associated with ciguatera fish poisoning worldwide. Ciguatoxins are produced by specific benthic dinoflagellates, enter the marine food chain via herbivorous fish and invertebrates, and eventual are biotransformed in herbivorous, omnivorous, and carnivorous fishes to more poisonous forms. Ciguatoxins cause risks to human health at very low concentrations. To decrease the risk of ciguatera fish poisoning, it is important to know fishing areas with low concentrations of ciguatoxins, as well as to test fish tissue for toxins before consumption. Modern laboratories use several detection techniques, such as mouse bioassay, cell-based assays, receptor-binding assays, antibody-based immunoassays, electrochemical methods, and analytical techniques, to obtain information about the total toxicity of fish tissue samples, as well as to identify toxins and to determine the toxin profile. State-of-the-art ciguatoxin detection involves the combination of a cell-based assay or receptor-binding assay to screen total toxicity, and liquid chromatography coupled with mass spectrometry to confirm toxins and provide toxin profiles. 
  • 1.4K
  • 25 Aug 2020
Topic Review
Circadian Clock to Skin /Cancer
Over the years, the circadian regulation of drug metabolism and processing has been employed in the treatment of a range of disease states, including diabetes, hypertension, peptic ulcers, and allergic rhinitis . There is also interest in using chronotherapeutic approaches for skin disease, including psoriasis and atopic dermatitis . Although time-dictated drug administration had been demonstrated many decades ago, its application in cancer treatment was limited due to insufficient mechanistic data supporting experimental results and inconsistency among clinical trials.
  • 539
  • 21 Jun 2021
Topic Review
Classes of Translational Readthrough-Inducing Drugs
Translational Readthrough-Inducing Drugs (TRIDs) can affect various biomolecular targets, leading to different types of readthrough.
  • 556
  • 11 Jan 2022
Topic Review
Classification of Allosteric G-Protein-Coupled Receptors Regulators
Allosteric regulation is critical for the functioning of G-protein-coupled receptors (GPCRs) and their signaling pathways. Endogenous allosteric regulators of GPCRs are simple ions, various biomolecules (lipids, amino acids, polypeptides, hormonal agents, etc.), and the peptide components of GPCR signaling. According to the ability to influence the basal and orthosteric/allosteric agonist-stimulated activity, the ligands of GPCR allosteric sites can be divided into the positive (PAM), negative (NAM), and silent (SAM) allosteric modulators, the allosteric full agonists, inverse agonists and neutral antagonists, as well as the allosteric regulators with the combined activity (ago-PAM, ago-NAM). 
  • 321
  • 19 Apr 2023
Topic Review
Clinical Application of Hypoxia-Inducible Factor-1α Inhibitors
Hypoxia is a common phenomenon amongst physiological and pathological conditions, and is a strong stressor for cells and organisms, which can lead to metabolic disorders, and even cause cell death. Hypoxia-inducible factor-1α (HIF-1α) is the only transcription factor that has been found to be active under hypoxia, and is also the main nuclear transcription factor that mediates the adaptive response to hypoxia in mammals. It is closely related to the growth and development of organisms and the pathogenesis of some diseases. HIF-1α has low expression in the human brain, lung, placenta, heart, skeletal muscle, kidney, and pancreas under normoxia, but there is an exponentially large increase of HIF-1α in the brain, lung, kidney, heart, and other tissues under hypoxia. HIF-1α inhibitors can be widely used in the treatment of various diseases related to HIF-1 overexpression, such as tumors; leukemia; diabetes and its complications; ischemic, cardiovascular and brain diseases; and inflammatory diseases, etc.
  • 220
  • 20 Jul 2023
Topic Review
Clinical Considerations of Benzodiazepines
Benzodiazepines (BZDs) are among one of the most widely prescribed drug classes in the United States. BZDs are a class of psychoactive drugs known for their depressant effect on the central nervous system (CNS). They quickly diffuse through the blood–brain barrier to affect the inhibitory neurotransmitter GABA and exert sedative effects. One of the debilitating side effects of BZDs is their addictive potential. The dependence on BZDs generally leads to withdrawal symptoms, requiring careful tapering of the medication when prescribed. Regular use of BZDs has been shown to cause severe, harmful psychological and physical dependence, leading to withdrawal symptoms similar to that of alcohol withdrawal.
  • 472
  • 23 Dec 2021
Topic Review
Clinical Efficacy and Safety, Interchangeability of Biosimilars
Clinical safety and efficacy studies add substantial cost and time to the approval of biosimilars. However, this argument will have little weight if these studies were able to add additional value over and above the rest of the testing. Interchangeability is a legally defined path in the US biosimilar guidance.
  • 365
  • 27 Apr 2022
Topic Review
Clinical Pharmacy in Psychiatry
Although clinical pharmacy is a discipline that emerged in the 1960s, the question of precisely how pharmacists can play a role in therapeutic optimization remains unanswered. In the field of mental health, psychiatric pharmacists are increasingly involved in medication reconciliation and therapeutic patient education (or psychoeducation) to improve medication management and enhance medication adherence, respectively. However, psychiatric pharmacists must now assume a growing role in team-based models of care and engage in shared expertise in psychopharmacology in order to truly invest in therapeutic optimization of psychotropics.
  • 665
  • 05 Nov 2021
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