Latest ArticlesNon-alcoholic fatty liver disease (NAFLD) is a pathological syndrome characterized by the excessive deposition of lipids in hepatocytes but not caused by alcohol and other definite liver damage factors. The pathogenesis of NAFLD is complex. When the liver is damaged, a large amount of lipids deposited in hepatocytes will induce oxidative stress injury, endoplasmic reticulum stress and metabolic disorders in hepatocytes, and immune cells further secrete inflammatory cytokines and release them into the blood, causing systemic inflammation. In the process of NAFLD, the inflammatory response plays an important role. Macrophages are the most abundant non-parenchymal cells in the liver and play an important role in liver inflammatory injury. Hepatic macrophages include liver-native and monocyte-derived macrophages, and their activation and polarization processes are involved in the different development stages of NAFLD. Traditional Chinese medicine (TCM) compound and its active compounds have been found to regulate macrophages to participate in the process of inflammation, injury and recovery of NAFLD. Based on the existing research reports, this paper elaborates the relationship between the source, activation and polarization of macrophages and NAFLD as the breakthrough point, and systematically reviews the mechanism of TCM in the prevention and treatment of NAFLD by regulating the activation, recruitment and polarization of macrophages. This paper aims to provide new ideas for the discovery of novel NAFLD candidate drugs from TCM via targeting macrophages.
Trace elements (TEs), also known as micronutrients in biology, are trace components required by the human body, accounting for 0.005% to 0.01% of body weight. Although TEs are present in small quantities in the human body, they play significant roles in cellular metabolism, enzyme activity regulation, immune function, nerve conduction, and bone health. In this review, the effects of TEs (zinc, iron, magnesium, selenium, copper, chromium, and manganese) for modulating biological functions on organisms are comprehensively analyzed and summarized. The mechanisms of various TEs in immune system, enzymatic reaction, oxidative stress, physical growth, and blood glucose regulation are deeply discussed, emphasizing the indispensable role of TEs in maintaining normal physiological functions of body. In addition, the future research directions of TEs are also prospected, including the mechanism of action, intake, metabolism, and storage of TEs at the cellular level. This review will provide useful information to further understand the biological effects and the application of TEs.
CD200 and its receptor CD200R constitute an endogenous inhibitory signal. The binding of CD200 and CD200R can regulate the immune response to pathogenic stimuli, which has received much attention in recent years. It has been found that CD200-CD200R is involved in the regulation of many kinds of pathological inflammation, including autoimmune diseases, cardiac cerebrovascular disease, infection and tumor. This paper reviews the protein structure, distribution, expression, biological function of CD200-CD200R and the correlation with diseases, and analyses the current status and development ideas of CD200-CD200R as drug targets. It aims to provide theoretical support for new drug research and development based on this target.
The human gut is inhabited by a large number and variety of microorganisms, which constitute the intestinal microecosystem with the intestinal environment where they reside. After oral administration, Chinese medicine undergoes metabolism by these intestinal microorganisms within the gastrointestinal tract. The resulting metabolites are absorbed into the bloodstream to produce pharmacological effects. This paper provides a comprehensive review of the characteristics and influencing factors related to the mediation of Traditional Chinese Medicine (TCM) metabolism by intestinal flora. Additionally, recent progress in the microbial-mediated metabolism of TCM components such as flavonoids, saponins, iridoids, and lignans is summarized. This serves as a foundation for understanding the connection between intestinal bacteria and the chemical structural alterations of TCM components. It also offers insight into the regulations and mechanisms governing the intestinal bacterial metabolism of TCM constituents.
At present, there is no cure for acquired immune deficiency syndrome (AIDS) due to HIV-1 latent reservoirs. Therefore, it urgently requires novel HIV-1 latency-regulating agents with high potency, low toxicity and favorable drug-like properties to achieve a functional cure for AIDS. Herein, we reviewed the advances in HIV-1 latency-regulating agents since 2019, including the drug discovery strategies, bioactivities, and mechanisms of these compounds. It is of great guiding significance in the development of latency-regulating agents with clinical value.
Human viral respiratory disease is a kind of widely prevalent infectious disease. The incidence rate of respiratory virus infection occupies a major position in the overall structure of global incidence rate of residents, and is one of the main causes of acute and fatal human diseases. Natural products have diverse structures and novel mechanisms of action, which can regulate body immunity and resist respiratory viruses, and have unique advantages in the treatment of respiratory viral diseases. This article summarizes the current research progress of natural drugs in the prevention and treatment of respiratory viruses, classifies the action mechanism of the active components of natural drugs against respiratory viruses, to provide reference basis for clinical treatment and drug discovery of respiratory diseases in the future.
Ubiquitin-specific protease 1 (USP1) is one of the deubiquitinating enzymes which has received increasing attention in cancer research. USP1 is overexpressed in many types of cancer cells, and has been found to control tumorigenesis and progression by regulating various proteins associated with tumors, such as SIK2, GSK-3β, and Bcl-2. Knockdown or pharmacological inhibition of USP1 can effectively suppress tumors and is also expected to address the issues of cisplatin and poly ADP-ribose polymerase (PARP) inhibitor resistance. This review describes the structure and function of USP1 and the relationship between USP1 targets and tumors and systematically summarizes the structure-activity relationships of small molecule USP1 inhibitors disclosed from 2013 to 2023. Finally, this review discusses the challenges and opportunities in developing small molecule USP1 inhibitors.
The covalent binding of drugs and their metabolites to proteins forms drug-protein adducts, which may cause adverse reactions in the body. The development of adductomics technology is helpful for the identification of covalent adducts between drugs and human plasma proteins. For many drugs, such as beta-lactam antibiotics, acyl glucuronides, covalent tyrosine kinases inhibitors, and reactive metabolites, human serum albumin (HSA) is a potential target and biomarker for the formation of drug-protein adducts. In this review, we will describe the relevant technical advances, describe the methods for the identification of covalent adducts of drugs and HSA, define the chemical reactions that form adducts, and preliminarily explore the role of drug-HSA adducts in adverse drug reactions and the potential effect on pharmacokinetics.
As the predominant toxic constituent within the Aconitum genus, Aconitum alkaloids (ATs) exhibit both significant pharmaceutical value and substantial toxicity, have been widely used in traditional Chinese medicine and the realm of contemporary clinical medicine. However, owing to their high toxicity, inappropriate employment of ATs in pharmaceuticals, edibles, and the environment will pose serious threats to human health, inciting a series of toxic incidents. Consequently, it is very important to develop effective analytical methods. This paper presents a comprehensive review of the advancements in research pertaining to the pretreatment and detection methods in common substrates, including high performance liquid chromatography, liquid chromatography-mass spectrometry and rapid detection methods. To explore the specific sources of ATs in actual poisoning cases, the comprehensive traceability strategy based on plant morphology, chemical fingerprint analysis and DNA barcoding technology was discussed, proposing a comprehensive prospect for the development of ATs analysis and traceability, in order to provide guidance for related research within the forensic science domain.
Anti-tumor traditional Chinese medicine has a long history of clinic application, in which the star molecules have always been the hotspot of modern drug research, but they are limited by the solubility, stability, targeting, bioactivity or toxicity of the monomer components of traditional Chinese medicine anti-tumor star molecules and other pharmacokinetic problems, which hinders the traditional Chinese medicine anti-tumor star molecules for further clinical translation and application. Currently, the nanosystems prepared by supramolecular technologies such as molecular self-assembly and nanomaterial encapsulation have broader application prospects in improving the anti-tumor effect of active components of traditional Chinese medicine, which has attracted extensive attention from scholars at home and abroad. In this paper, we systematically review the research progress in preparation of supramolecular nano-systems from anti-tumor star molecule of traditional Chinese medicine, and summarize the two major categories and ten small classes of carrier-free and carrier-based supramolecular nanosystems and their research cases, and the future development direction is put forward. The purpose of this paper is to provide reference for the research and clinical transformation of using supramolecular technology to improve the clinical application of anti-tumor star molecule of traditional Chinese medicine.
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