Insect Biochem Mol Biol
March 2025
Chemical signals are pivotal in establishing tritrophic interactions among host plants, herbivorous insects, and natural enemies. Previous studies have shown that evolutionarily conserved MaltOBPs in Monochamus alternatus and DhelOBPs in Dastarcus helophoroides contribute to the establishment of pine -pest - natural enemy tritrophic interactions by recognizing the same volatile emitted by the host during crucial developmental stages. We hypothesized that the transcriptional regulatory mechanisms of evolutionarily conserved OBPs respectively from pests and enemies are similar.
View Article and Find Full Text PDFInt J Cardiol Cardiovasc Risk Prev
March 2025
Cardiovascular diseases (CVDs), such as atherosclerotic cardiovascular diseases, heart failure (HF), and acute coronary syndrome, represent a significant threat to global health and impose considerable socioeconomic burdens. The intricate pathogenesis of CVD involves various regulatory mechanisms, among which microRNAs (miRNAs) have emerged as critical posttranscriptional regulators. In particular, miR-155 has demonstrated differential expression patterns across a spectrum of CVD and is implicated in the etiology and progression of arterial disorders.
View Article and Find Full Text PDFPharmacol Biochem Behav
February 2024
Background: Alcohol use disorder is a chronic recurrent encephalopathy, and its pathogenesis has not been fully understood. Among possible explanations, neuroinflammation caused by the disorders of brain central immune signaling has been identified as one possible mechanism of alcohol use disorder. As the basic components of cells and important bioactive molecules, sphingolipids are essential in regulating many cellular activities.
View Article and Find Full Text PDFAmuc_1100 is a membrane protein from Akkermansia muciniphila, which has been found to play a role in host immunological homeostasis in the gastrointestinal tract by activating TLR2 and TLR4. In this study we investigated the effects and underlying mechanisms of Amuc_1100 on acute pancreatitis (AP) induced in mice by intraperitoneal injection of caerulein and lipopolysaccharide (LPS). The mice were treated with the protein Amuc_1100 (3 μg, i.
View Article and Find Full Text PDFObjectives: This study aims to explore the analgesic mechanism of fire needle on peripheral sensitization in rats with neuropathic pain(NP) induced by oxaliplatin, so as to investigate its mechanism in improving peri-pheral sensitization.
Methods: Male SD rats aged 8 weeks were randomly divided into 4 groups:normal group(=6), model group(=6), fire needle group(=6), and medication group(=6). NP rat model was established by intraperitoneal injection of oxaliplatin(4 mg/kg) on days 1, 2, 8, 9, 15, 16, 22, and 23.
J Agric Food Chem
July 2023
Odorant-binding proteins (OBPs) and chemosensory proteins (CSPs), which are thought to play key roles in the olfactory recognition of insects, can be induced by the odorants they recognize, but little is known about the underlying regulatory mechanisms. Here, we found that NlOBP8 and NlCSP10 play coordinative roles in the chemoreception of brown planthoppers (BPHs) to the volatile component linalool. Also, the relative mRNA levels of and decreased upon exposure to linalool.
View Article and Find Full Text PDFHerein, we described a highly regio- and enantioselective Friedel-Crafts alkylation of aniline derivatives with generated -quinone methides enabled by chiral phosphoric acid, furnishing a wide range of enantioenriched triarylmethanes bearing three similar benzene rings in high yields (up to 98%) with excellent stereoselectivities (up to 98% ee). Furthermore, the large-scale reactions and diversified transformations of product demonstrate the practicality of the protocol. Density functional theory calculations elucidate the origin of the enantioselectivity.
View Article and Find Full Text PDFThe rapid, sensitive, and selective detection of ascorbic acid (AA) is of significance in medical assays and diagnostics. In this work, a new aminoperylenediimide (APDI) derived ratiometric fluorescent probe based on the specific redox reaction of cobalt oxyhydroxide (CoOOH) and AA was constructed. APDI exhibited dual fluorescence emission peaks at 549 and 596 nm with an excitation wavelength of 494 nm.
View Article and Find Full Text PDFBackground: Herpes zoster presents as clustered blisters on one side of the body, accompanied by nerve pain. This is caused by reactivation of the varicella zoster virus, and it occurs primarily in people with weakened immunity. Tumor and chemotherapy drugs can impair the patient's immune function, induce herpes zoster and prolong the course of disease.
View Article and Find Full Text PDFCardiovasc Pathol
October 2012
Background: Evidence suggests proinflammatory changes in the lungs during acute myocardial infarction and a participation of neural mechanisms and substance P in the pathology. This study was undertaken to investigate the role and the mechanisms by which sensory afferent degeneration at neonatal stages exacerbates the pulmonary inflammatory responses to acute myocardial infarction in the adult rats.
Methods: The degeneration of capsaicin-sensitive afferent nerves was induced by administration of capsaicin to neonatal rats.
Background: Evidence indicated an involvement of afferent nerves in the pathology of acute myocardial infarction. This study was undertaken to clarify the role and mechanisms by which the sensory afferent degeneration exacerbates the myocardial injury in acute myocardial infarction in rats.
Methods: The myocardial injury was assessed by analysis of 1) the differences in the infarct size, myocyte apoptosis, the caspase activity in the myocardium and cardiac troponin I in serum between the denervated and non-denervated rats; 2) the differences in the size of infarctiom with and without antagonisms of endogenous neurokinin 1 receptor or calcitonin gene related peptide receptor in acute myocardial infarction.
Zhonghua Yi Xue Za Zhi
August 2005
Objective: To investigate the clinical effect of residual stomach, duodenum, and continual jejunal interposition on the patients of gastric cancer after subtotal gastrectomy.
Methods: Fifty-four patients with gastric cancer after subtotal gastrectomy were randomly divided into 2 groups: Group A (n = 26, receiving digestive tract reconstruction by manual end-to-side anastomosis of residual stomach and jejunum, end-to-side anastomosis of residual duodenum and jejunum, and side-to-side anastomosis of jejunum and jejunum, then the jejunum proximal to the stomach-jejunum anastomosis and the jejunum distal to the duodenum-jejunum anastomosis were ligated so as to form an integral continual jejunal interposition; and Group B (n = 28, receiving Bilroth digestive tract reconstruction. The operation time, body weight, prognosis nutrition index (PNI), and Visick score 3 and 6 months after the operation were observed.
Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi
April 2005
Objective: To analyze the difference of GRA7 gene of Toxoplasma gondii different isolated strains and express GRA7 in Escherichia coli.
Methods: The GRA7 gene was amplified from genomes of T. gondii isolates by PCR and was cloned into pGEX-4T-1.
Chin Med J (Engl)
November 2004
Background: A monoclonal antibody would be an effective tool for the detection of circulating antigens in the serum of patients with schistosomiasis, but the traditional way of producing monoclonal antibodies is not cost-effective. The objective of this study was to find a new method for the large-scale production of monoclonal antibodies against Schistosoma japonicum (Sj).
Methods: A phage display antibody library for Sj was constructed.
Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi
April 2004
Objective: To express the proteinase cathepsin L1 gene of Schistosoma japonicum (SjCL1) in Escherichia coli JM109 cells.
Methods: The SjCL1 gene was amplified from the recombinant plasmid pcDNA3-SjCL1 by PCR. The gene was cloned into a prokaryotic expression vector pGEX4T-1 to construct a recombinant plasmid pGEX-SjCL1.
Hua Xi Kou Qiang Yi Xue Za Zhi
April 2004
Objective: To study the effect of nm23-h1 transfection on proliferation characteristics of adnoid carcinoma cell lines in vitro and in vivo.
Methods: In vitro ACC-M cell lines were incubated after putative anti-metastatic gene nm23-h1 was introduced into the cells with the help of G418 selective incubation base. The ACC-M cells were transplanted into 10 BALB/C nude mices subcutaneously and non-transfected cell lines were taken as control.
Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi
August 2004
Objective: To obtain single chain variable fragment(ScFv) against the circulating antigen(CAg) from Schistosoma japonicum(Sj).
Methods: Metabolic antigen of adult worm of Sj (Sj-MAg) was used in the panning of phage library against Schistosoma japonicum. The activity of Sj-MAg-binding phage clones was assayed by ELISA.
Zhongguo Zhong Xi Yi Jie He Za Zhi
September 2003
Objective: To evaluate the efficacy of Integrative Chinese and western medicine (ICWM) in treating SARS.
Methods: By controlled paralled design, 49 patients of SARS were studied, they were divided into the control group (n = 29) and the ICWM group (n = 20). The former was treated according to the "Recommended Program for Treatment of SARS" provided by Health Ministry, by administering of such drugs as Ribavirin, Levofloxacin, Thymopentin, Azithromycin, etc, the latter was treated with the ICWM protocol for SARS of "Special Technological Action to Prevent and Treat SARS" provided by Science and Technology Ministry.