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Topic Review
NO in Viral Infections
Nitric oxide is a ubiquitous signaling radical that influences critical body functions. Its importance in the cardiovascular system and the innate immune response to bacterial and viral infections has been extensively investigated. The overproduction of NO is an early component of viral infections, including those affecting the respiratory tract. The production of high levels of NO is due to the overexpression of NO biosynthesis by inducible NO synthase (iNOS), which is involved in viral clearance. The development of NO-based antiviral therapies, particularly gaseous NO inhalation and NO-donors, has proven to be an excellent antiviral therapeutic strategy. 
  • 505
  • 20 Apr 2022
Topic Review
NLR in Allergic Diseases
Our understanding on the immunological roles of pathogen recognition in innate immunity has vastly increased over the past 20 years. Nucleotide-binding oligomerization domain (NOD)-like receptors (NLR) are cytosolic pattern recognition receptors (PRR) that are responsible for sensing microbial motifs and endogenous damage signals in mammalian cytosol for immune surveillance and host defense.
  • 567
  • 26 Feb 2021
Topic Review
Nitroglycerin (Drug)
Nitroglycerin, also known as glyceryl trinitrate (GTN), is a medication used for heart failure, high blood pressure, and to treat and prevent chest pain from not enough blood flow to the heart (angina) or due to cocaine. This includes chest pain from a heart attack. It is taken by mouth, under the tongue, applied to the skin, or by injection into a vein. Common side effects include headache and low blood pressure. The low blood pressure can be severe. It is unclear if use in pregnancy is safe for the baby. It should not be used together with medications within the sildenafil (PDE5 inhibitor) family due to the risk of low blood pressure. Nitroglycerin is in the nitrate family of medications. While it is not entirely clear how it works, it is believed to function by dilating blood vessels. Nitroglycerin was written about as early as 1846 and came into medical use in 1878. It is on the World Health Organization's List of Essential Medicines, the most effective and safe medicines needed in a health system. The wholesale cost in the developing world as of 2014, was US$0.06–0.22 per dose by mouth. The drug nitroglycerin (GTN) is a dilute form of the same chemical used as the explosive, nitroglycerin. Dilution makes it non-explosive.
  • 401
  • 25 Oct 2022
Topic Review
Nitrogen-Based Alkylating Anticancer Agents
Despite the significant progress in anticancer drug development over recent years, there is a vital need for newer agents with unique, but still effective, mechanisms of action in order to treat the disease, particularly the highly aggressive and drug resistant types. Alkylating agents, in particular nitrogen-based alkylators, are commonly used to treat hematological and solid malignancies; they exert their antineoplastic effects at all phases of the cell cycle and prevent reproduction of tumor cells. Certain alkylating agents have been designed to be more lipophilic, enabling the compound to penetrate the cell and enhance its alkylating activity against tumors. This review details the evolution of currently available alkylating agents and their profiles, with a focus on nitrogen-based alkylating agents, as important anticancer therapy strategies.
  • 1.0K
  • 27 Mar 2021
Topic Review
Nintedanib
Nintedanib is a synthetic orally active tyrosine kinase inhibitor, whose main action is to inhibit the receptors of the platelet-derived growth factor, fibroblast growth factor and vascular endothelial growth factor families.
  • 695
  • 30 Sep 2021
Topic Review
Nicotinamide Riboside for Healthy Aging and Longevity
Nicotinamide riboside (NR) is widely used as a dietary supplement. Structurally, it is a form of vitamin B3 (nicotinic acid, niacin, NA), incorporating into its structure more elements of nicotinamide adenine dinucleotide (in its oxidized form, NAD+). NR influences, in particular, energy metabolism and neuroprotection.
  • 384
  • 23 Aug 2023
Topic Review
NF-κB Pathway Inhibitors in Alzheimer’s Disease Treatment
The NF-κB family is a group of transcription factors that play a pivotal role in regulating various biological processes, including immune responses, inflammation, cell survival, and cellular differentiation. The involvement of the NF-κB pathway in immune system responses, inflammation, oxidative stress, and neuronal survival highlights its significance in Alzheimer’s disease (AD) progression.
  • 197
  • 25 Sep 2023
Topic Review
New Therapeutical Approaches for COVID-19
The pandemic of coronavirus disease (COVID-19) stimulated an unprecedented international collaborative effort for rapid diagnosis, epidemiologic surveillance, clinical management, prevention, and treatment. Since the beginning of the COVID-19 pandemic, treatment of the SARS-CoV-2 infection was a real challenge. An overview of the viral structure and life cycle of SARS-CoV-2 is given and future therapeutical options are discussed.
  • 508
  • 08 Jun 2022
Topic Review
New Therapeutic Approaches in Treatment of Dyslipidaemia
Dyslipidaemia is a well-known risk factor for the development of cardiovascular disease. Traditional statin therapy remains the cornerstone therapeutic approach. Ezetimibe showed good but limited results when used in combination with statins. Bempedoic acid has been thoroughly studied in multiple clinical trials, with a reduction in LDL cholesterol by approximately 15%. The first approved monoclonal antibodies for the treatment of dyslipidaemia, PCSK9 inhibitors, are currently used as second-line treatment for patients with unregulated lipid levels on statin or statin combination therapy. A new siRNA molecule, inclisiran, demonstrates great potential, particularly concerning compliance, as it is administered twice yearly and pelacarsen, an antisense oligonucleotide that targets lipoprotein(a) and lowers its levels. Volanesorsen is the first drug that was designed to target chylomicrons and lower triglyceride levels, and olezarsen, the next in-line chylomicron lowering agent, is currently being researched. The newest possibilities for the treatment of dyslipidaemia are ANGPTL3 inhibitors with evinacumab, already approved by the FDA, and EMA for the treatment of familial hypercholesterolemia. 
  • 471
  • 12 Aug 2022
Topic Review
New Potential Heterocyclic Molecular Targeted Drugs
Heterocyclic compounds, which are made up of both carbon and non-carbon atoms, serve as a crucial structural foundation for numerous chemicals with pharmacological and biological value. The research on heterocyclic compounds is an important part of organic chemistry and is utilized extensively in many industries, especially medicine. Heterocyclic compounds serve as the main active ingredient in a variety of pharmaceuticals, including analgesics, anti-inflammatory drugs, anti-tubercular drugs, antihypertensives, antidepressants, and even anticancer drugs. Many novel heterocyclic targeted drugs have emerged.Molecular targeted therapy is a key element of the new era of comprehensive multidisciplinary cancer treatment. A considerable number of molecular targeted medications have been created as part of the development of targeted therapy. 
  • 251
  • 25 Jun 2023
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