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Topic Review
Skin Pigmentation
Human skin pigmentation and melanin synthesis are incredibly variable, and are impacted by genetics, UV exposure, and some drugs. Patients’ physical appearance, psychological health, and social functioning are all impacted by a sizable number of skin conditions that cause pigmentary abnormalities. Hyperpigmentation, where pigment appears to overflow, and hypopigmentation, where pigment is reduced, are the two major classifications of skin pigmentation. Albinism, melasma, vitiligo, Addison’s disease, and post-inflammatory hyperpigmentation, which can be brought on by eczema, acne vulgaris, and drug interactions, are the most common skin pigmentation disorders in clinical practice. Anti-inflammatory medications, antioxidants, and medications that inhibit tyrosinase, which prevents the production of melanin, are all possible treatments for pigmentation problems. Skin pigmentation can be treated orally and topically with medications, herbal remedies, and cosmetic products, but a doctor should always be consulted before beginning any new medicine or treatment plan. 
  • 652
  • 25 Jun 2023
Topic Review
SARS-CoV-2 spike protein
The article by Suresh & Suzuki (2021) describes the finding of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein affecting human lung vascular cells and explains how the spike protein possibly increases the incidence of pulmonary arterial hypertension (PAH). Since the SARS-CoV-2 spike protein will be administered to millions of people as vaccines, it is critical to understand the effects of this protein on human cells to ensure that it does not promote long-term adverse health consequences.
  • 651
  • 06 Jan 2021
Topic Review
Polymyxins
Polymyxins are non-ribosomal, cyclic oligopeptide antimicrobials, produced by the Gram-positive, spore-forming rod Bacillus aerosporus that were identified in 1946 from the soil of market gardens in England.
  • 650
  • 11 Jun 2021
Topic Review
Gut Microbiota in Anxiety and Depression
The gut microbiota is critical for maintaining human health and the immunological system. Several neuroscientific studies have shown the significance of microbiota in developing brain systems. The gut microbiota and the brain are interconnected in a bidirectional relationship, as research on the microbiome–gut–brain axis shows. Significant evidence links anxiety and depression disorders to the community of microbes that live in the gastrointestinal system. Modified diet, fish and omega-3 fatty acid intake, macro- and micro-nutrient intake, prebiotics, probiotics, synbiotics, postbiotics, fecal microbiota transplantation, and 5-HTP regulation may all be utilized to alter the gut microbiota as a treatment approach. 
  • 648
  • 13 Apr 2023
Topic Review
Citrus hystrix DC for Metabolic Disorders
Metabolic disorder, which includes hypertension, diabetes mellitus, dyslipidemia, and obesity, represents a major global health concern due to increased morbidity and mortality. It occurs due to disturbance in normal metabolic process leading to redox and energy imbalance. Metabolic disorder, which includes hypertension, diabetes mellitus, dyslipidemia, and obesity, represents a major global health concern due to increased morbidity and mortality. It occurs due to disturbance in normal metabolic process leading to redox and energy imbalance.
  • 648
  • 10 Feb 2023
Topic Review
The (Poly)Pharmacology of Cannabidiol
Cannabidiol (CBD), the major nonpsychoactive Cannabis constituent, has been proposed for the treatment of a wide panel of neurological and neuropsychiatric disorders, including anxiety, schizophrenia, epilepsy and drug addiction due to the ability of its versatile scaffold to interact with diverse molecular targets that are not restricted to the endocannabinoid system. 
  • 648
  • 25 May 2021
Topic Review
A Novel, Pan-PDE Inhibitor From the Group of 7,8-Disubstituted Purine-2,6-Dione Derivatives
Phosphodiesterases (PDEs) inhibitors are currently a widespread and extensively studied group of anti-inflammatory and anti-fibrotic compounds which may find use in the treatment of numerous lung diseases, including asthma and chronic obstructive pulmonary disease. Several PDE inhibitors are currently in clinical development, and some of them, e.g. roflumilast, are already recommended for clinical use. Due to numerous reports indicating that elevated intracellular adenosine 3’,5’-cyclic monophosphate (cAMP) levels may contribute to alleviation of inflammation and airway fibrosis, new and effective PDE inhibitors are constantly being sought. Recently, a group of 7,8-disubstituted purine-2,6-dione derivatives, representing novel and prominent pan-PDE inhibitors has been synthesized. Some of them were reported to modulate transient receptor potential ankyrin 1 (TRPA1) ion channels as well. Compound 145 (4-(8-butoxy-1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)-N-(5-(tert-butyl)-2-hydroxyphenyl)butanamide) – a pan-PDE inhibitor and a weak TRPA1 modulator inhibited fibroblast to myofibroblasts transition (FMT) as well as MRC-5 human lung fibroblasts proliferation, migration, and contraction. The effect of this compound appeared to depend mainly on its strong PDE inhibitory properties, and not on its effects on TRPA1 modulation. The strong anti-remodelling effects of 145 required activation of the cAMP/protein kinase A/CREB pathway leading to inhibition of transforming growth factor type β1 (TGF-β1) and Smad-dependent signalling in MRC-5 cells.
  • 648
  • 09 Sep 2021
Topic Review
Advantages of Intranasal Administration in Treatment of Depression
As a mental disease in modern society, depression shows an increasing occurrence, with low cure rate and high recurrence rate. It has become the most disabling disease in the world. At present, the treatment of depression is mainly based on drug therapy combined with psychological therapy, physical therapy, and other adjuvant therapy methods. Antidepressants are primarily administered peripherally (oral and intravenous) and have a slow onset of action. Antidepressant active ingredients, such as neuropeptides, natural active ingredients, and some chemical agents, are limited by factors such as the blood–brain barrier (BBB), first-pass metabolism, and extensive adverse effects caused by systemic administration. The potential anatomical link between the non-invasive nose–brain pathway and the lesion site of depression may provide a more attractive option for the delivery of antidepressant active ingredients.
  • 646
  • 21 Oct 2022
Topic Review
Transient Receptor Potential Ankyrin 1
The transient receptor potential ankyrin 1 (TRPA1), a member of the TRP superfamily of channels, is primarily localized in a subpopulation of primary sensory neurons of the trigeminal, vagal, and dorsal root ganglia, where its activation mediates neurogenic inflammatory responses. TRPA1 expression in resident tissue cells, inflammatory, and immune cells, through the indirect modulation of a large series of intracellular pathways, orchestrates a range of cellular processes, such as cytokine production, cell differentiation, and cytotoxicity. 
  • 646
  • 05 May 2022
Topic Review
Animal Venom for Medical Usage
Pharmacopuncture of bee, snake, and toad venoms are being used in Koreanmedicine institutions. Clinical evidence for the efficacy of these animal venoms has been summarizedthrough a literature search. This research contributes to the development of animal venom-basedmedicines.
  • 644
  • 01 Mar 2021
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