Publications by authors named "Lichun Zhao"

Inflammatory bowel disease (IBD) is a chronic condition that afflicts individuals repeatedly and cannot be cured at present, which has seriously affected the quality of life of patients. Minerals Containing Rubidium (MCR) from Guangxi Yuechengling, which Professor Zhao Lichun purified, were explored. Against this backdrop, the present study investigates the efficacy of rubidium salt in ulcerative colitis.

View Article and Find Full Text PDF

With people's increasing awareness of healthy diet, the diverse health-promoting functions of ginseng have been widely recognized. As one of the key functional components, ginseng polysaccharides have attracted increasing research interest. Here, three purified polysaccharide fractions, GPS-1a, GPS-1b, and GPS-2, were obtained from the root extract of Panax ginseng C.

View Article and Find Full Text PDF

Objective: To explore the correlation between serum nitric oxide synthase (NOS) levels and readmission due to acute exacerbation within 30 days in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD).

Methods: A prospective cohort study was conducted. The AECOPD patients admitted to the First Affiliated Hospital of Hebei North University from January 2020 to December 2022 were enrolled as the research subjects.

View Article and Find Full Text PDF

The long-term use of antibiotics can cause drug resistance. Natural polysaccharides are a novel means of treating bacterial infections, and the development and utilization of litchi pericarp polysaccharide (LPPs) as a bacteriostatic active substance offer a new research direction for the high-value utilization of litchi by-products. This study revealed that LPPs inhibited Staphylococcus aureus more than Escherichia coli, Listeria monocytogenes, and Salmonella typhimurium, with the minimum inhibitory concentrations of 145, 205, 325, and 445 μg/mL, respectively.

View Article and Find Full Text PDF

Triple-negative breast cancer (TNBC) still one of the most challenging sub-type in breast cancer clinical. Caffeic acid (CA) derived from effective components of traditional Chinese herbal medicine has been show potential against TNBCs. Our research has found that CA can inhibit the proliferation of TNBC cells while also suppressing the size of cancer stem cell spheres.

View Article and Find Full Text PDF

Acovenosigenin A β-glucoside (AAG) is a cardiac glycoside derived from Streptocaulon juventas (Lour.) Merr, which exhibited the potential in treating lung cancer in our previous research. However, the action mechanism remains unclear.

View Article and Find Full Text PDF

Aim: To determine how bone cement is infused into the vertebral body at different periods during kyphoplasty and its effect on vertebral strength, stiffness, and height.

Method: In this study, 40 L1-5 vertebrae were obtained from eight healthy adult sheep randomly divided into reference, thin, sticky, and coagulation groups based on the digital expression from 1 November 2022 to 31 December 2022. Each group had 10 vertebrae.

View Article and Find Full Text PDF

The quality of moxa is a key factor affecting the efficacy of moxibustion. Traditional moxa grades are evaluated by the leaf-to-moxa ratio, but there is a lack of support from scientific data. Scanning electron microscopy(SEM), Image Pro Plus, Van Soest method, and stimultaneous thermal analysis(TGA/DSC) were used to characterize the scientific implication of the combustion differences between moxa with different leaf-to-moxa ratios(processed by crusher).

View Article and Find Full Text PDF

Surface-enhanced Raman scattering (SERS) has outstanding merits in biochemical molecular analysis, and the development of new SERS substrates is the focus of research. Herein, InO nanoparticles (NPs) were synthesized by a high temperature pyrolysis method with cubic phase and small particle size at 10 nm. The structures and properties of InO NPs were characterized by X-ray powder diffraction (XRD), transmission electron microscope (TEM) and other characterization methods.

View Article and Find Full Text PDF

The quality of moxa is an important factor affecting moxibustion therapy, and traditionally, 3-year moxa is considered optimal, although scientific data are lacking. This study focused on 1-year and 3-year moxa from Artemisia stolonifera and A. argyi(leaf-to-moxa ratio of 10∶1) as research objects.

View Article and Find Full Text PDF
Article Synopsis
  • Researchers studied how a sweet ingredient called Trilobatin (TLB) can help protect mice from kidney damage caused by a medicine called cisplatin.
  • They found that TLB helped improve kidney health and reduced harmful levels in the body that cisplatin caused.
  • The study showed that TLB could protect kidney cells from dying and worked by affecting certain pathways in the cells, making it a promising option for preventing kidney issues.
View Article and Find Full Text PDF

Context: Genistein is a multifunctional natural compound.

Objective: In this study, we demonstrate the activity of genistein on non-small lung cancer A549 and 95D cells.

Materials And Methods: A CCK8 assay was used to detect the cytotoxicity of genistein (0, 25, 50, 100, 150, 200 and 250 μM) on A549 and 95D cells for 48 h.

View Article and Find Full Text PDF

Considering the effect of the natural enemy on aphid populations, the corresponding model with delay is built. The model is analyzed using the qualitative theory of differential equations and catastrophe theory etc. For the outbreak phenomenon of aphid populations, the corresponding management model is proposed and the catastrophe controller is designed to keep the system in a virtuous cycle by means of the qualitative theory of impulsive differential equations.

View Article and Find Full Text PDF

Atherosclerosis is a chronic inflammatory disease commonly seen in clinical practice. It can lead to thickening of vascular intima, occlusion of lumen stenosis and thrombosis, leading to angina pectoris, hypertension, myocardial infarction and other diseases, posing a serious threat to human life and health. This study provides a method for removing shield needles from graphene oxide thrombus and its preparation.

View Article and Find Full Text PDF
Article Synopsis
  • This study investigates the distribution and antibacterial potential of endophytic fungi from the Zanthoxylum nitidum plant in Guangxi, identifying genetic diversity through molecular methods.
  • Researchers isolated 35 fungal strains from various plant tissues, with Colletotrichum and Fusarium being the dominant genera, and found significant differences in fungal diversity among roots, stems, and leaves.
  • The antimicrobial activity analysis revealed that 14.28% of the isolated fungi inhibited bacteria, particularly Fusarium sp. ZN-34 and ZN-26, which showed strong effects against Escherichia coli and Staphylococcus aureus, indicating potential for developing natural antibacterial agents.
View Article and Find Full Text PDF

A new coumarin-acridone fluorescent probe S was designed and synthesized, and the structure was confirmed with H/C NMR spectrometry, single-crystal X-ray diffraction, and high-resolution mass spectrometry. This probe has high sensitivity and selectivity for Fe over other testing metal ions at 420 or 436 nm in acetonitrile-MOPS (3-Morpholinopropanesulfonic Acid) buffer solution (20.0 μM, pH = 6.

View Article and Find Full Text PDF

The aim of this study was to prepare dissolving microneedles (DMNs) patches containing tranexamic acid (TA) for the treatment of melasma. Polyvinyl alcohol (PVA) and polyvinylpyrrolidone (PVP) were preferred as matrix materials through the compatibility experiment. In the in vitro permeation study, the transdermal amount of TA was significantly promoted through dissolving microneedles with the cumulative release was 44.

View Article and Find Full Text PDF

Chemical constituents from Zhideke granules were rapidly isolated and identified by ultra-performance liquid chromatography (UPLC) coupled with hybrid quadrupole-orbitrap mass spectrometry (MS) in positive and negative ion modes using both full scan and two-stage threshold-triggered mass modes. The secondary fragment ion information of the target compound was selected and compared with the compound reported in databases and related literatures to further confirm the possible compounds. A total of 47 chemical constituents were identified from the ethyl acetate extract of Zhideke granules, including 21 flavonoids and glycosides, 9 organic acids, 4 volatile components, 3 nitrogen-containing compounds, and 10 other compounds according to the fragmentation patterns, relevant literature, and MS data.

View Article and Find Full Text PDF

The names, basic sources, medicinal parts, efficacy and standards of the medicinal materials in Euphorbiaceae were systematically collated and analyzed by the textual research for Yao medicine monographs in this paper. The results showed that there were great differences in the names, basic sources, medicinal parts and efficacy of some medicinal materials recorded in different literatures. There were 19 genera and 60 species(including varieties) of Euphorbiaceae of Yao medicine, involving 50 kinds of medicinal materials.

View Article and Find Full Text PDF

Previous report has confirmed the beneficial effects of α-mangostin (α-MG), a major and representative xanthone distributed in mangosteen () on the cisplatin-induced rat model. However, the molecular mechanisms related to its renoprotection have not been elucidated exhaustively. The present study investigated the protective effect of α-MG against cisplatin-induced cytotoxicity in the human embryonic kidney (HEK293) cell model.

View Article and Find Full Text PDF

Procyandin A2 (PCA2) is a polyphenolic compound which is isolated from grape seeds. It has been reported that PCA2 exhibits antioxidative and anti-inflammatory effects, but its molecular mechanism is still poorly understood. This study tests the hypothesis that PCA2 suppresses lipopolysaccharide (LPS)-induced inflammation and oxidative stress through targeting the nuclear factor-κB (NF-κB), mitogen-activated protein kinase (MAPK), and NF-E2-related factor 2 (Nrf2) pathways in RAW264.

View Article and Find Full Text PDF

In the separation of strongly polar antioxidant compounds from natural products using high-speed counter-current chromatography that is target-guided by 2,2-diphenyl-1-picrylhydrazyl high-performance liquid chromatography experimentation, low adsorption ability is encountered due to the strong polarity of the target compounds. In this study, a strategy of novel partition coefficient value calculation was proposed for overcoming this problem. The partition coefficient value was expressed as the ratio of the antioxidant activities of the upper phase and the lower phase.

View Article and Find Full Text PDF

Background: Nuezhenide (NZD), an iridoid glycoside isolated from Ilex pubescens Hook. & Arn. var.

View Article and Find Full Text PDF