Background: Susceptibility-weighted imaging (SWI) is a common imaging technique used to identify cerebral microbleeds. Given that spinal cord injury (SCI) often creates an environment that favors ferroptosis, a type of cell death driven by iron, this study aimed to explore the relationship between microbleeds on SWI and ferroptosis, and explore the effect of deferoxamine on SCI.
Methods: Thirty-six rabbits were divided into three groups: sham, SCI, and SCI with deferoxamine (DFO, a ferroptosis inhibitor) treatment (SCI+DFO).
Nowadays, high value-added and multifunctional textiles have attracted widespread attention due to the changing demands of modern life. This study focused on the fabrication of silk with photochromism, flame retardancy, UV resistance and durability using riboflavin sodium phosphate (RSP) and various metal ions (Fe, Fe, Al, and Ti). Attractively, the photochromic performance was one of the most distinctive features of the modified silk, and the yellow silk fabric turned into fluorescent green under UV lamp.
View Article and Find Full Text PDFThe emergence of colistin-resistance is considered a threat to public health and colistin-resistant bacteria have recently been reported in animal, environmental and human sources. Whereas, the epidemic and dissemination of colistin-resistant bacteria in duck farms have not been surveyed, especially the surrounding environmental contamination from duck farms. We investigated the prevalence and molecular characteristics of mcr-1-positive E.
View Article and Find Full Text PDFThree studies investigated how speakers' pitch affects listeners' attribution of mental capacity (e.g., the ability to feel emotions and physical sensations such as pain and pleasure; Gray et al.
View Article and Find Full Text PDFBased on real-life intergroup animosities originating from a historical conflict, the current study examined how the perceived stance of the outgroup about the conflict affects the dehumanization of the outgroup. In Study 1 ( = 120), Korean undergraduates attributed more to the Japanese after reading an article that the Japanese government did (vs. refused to) issue an official apology for a historical wrong.
View Article and Find Full Text PDFBackground: Sulongga-4 (SL-4) is a herbal formula used in traditional Mongolian medical clinics for the treatment of peptic ulcers and gastroenteritis, even though its pharmacological mechanism has not been well characterized.
Aim: To evaluate the protective effect and identify the mechanisms of action of SL-4 on gastroduodenal ulcer induced by pyloric ligation (PL) in rats.
Methods: PL was performed to induce gastric and duodenal ulcers in rats, which were then treated with oral SL-4 (1.
Catalytic transformation of alcohols via metal-catalyzed cross-coupling reactions is very important, but it typically relies on a multistep procedure. We here report a dynamic kinetic cross-coupling approach for the direct functionalization of alcohols. The feasibility of this strategy is demonstrated by a nickel-catalyzed cross-electrophile arylation reaction of benzyl alcohols with (hetero)aryl electrophiles.
View Article and Find Full Text PDFMost animal spinal cord injury models involve a laminectomy, such as the weight drop model or the transection model. However, in clinical practice, many patients undergo spinal cord injury while maintaining a relatively complete spinal canal. Thus, open spinal cord injury models often do not simulate real injuries, and few previous studies have investigated whether having a closed spinal canal after a primary spinal cord injury may influence secondary processes.
View Article and Find Full Text PDFCoupling reactions involving non-sulfonated C-O electrophiles provide a promising method for forming C-C bonds, but the incorporation of functionalized or secondary alkyl groups remains a challenge due to the requirement for well-defined alkylmetal species. In this study, we report a reductive nickel-catalyzed cross-coupling of benzyl oxalates with alkyl bromides, using oxalate as a new leaving group. A broad range of highly functionalized alkyl units (such as functional groups: alkyl chloride, alcohol, aldehyde, amine, amide, boronate ester, ether, ester, heterocycle, phosphonate, strained ring) were efficiently incorporated at the benzylic position.
View Article and Find Full Text PDFAnaphase promoting complex/cyclosome (APC/C) is essential for cell cycle progression. Recently, its non-mitotic functions were also reported but less studied in several tissues including hematopoietic cells. Here, we developed an inducible (a core subunit of APC/C) knockout mice.
View Article and Find Full Text PDFBackground: Sevoflurane is one of the most widely used inhalation anesthetics in pediatric anesthesia. A large number of studies have demonstrated that repeated treatment with high concentrations or long durations of sevoflurane anesthesia during the neonatal period can induce neuroapoptosis and long-term learning disability. In clinical practice, we observed that a subset of patients underwent minor surgery under sevoflurane anesthesia more than once from birth to adolescence.
View Article and Find Full Text PDFAldehyde dehydrogenase 2 (ALDH) is an important factor in inhibiting oxidative stress and has been shown to protect against renal ischemia/reperfusion injury. Therefore, we hypothesized that ALDH could reduce spinal cord ischemia/reperfusion injury. Spinal cord ischemia/reperfusion injury was induced in rats using the modified Zivin's method of clamping the abdominal aorta.
View Article and Find Full Text PDFIn this study, two porcine kobuvirus strains, JS-01-CHN and JS-02a-CHN were detected from piglets with diarrhea and asymptomatic, respectively. The sequences of the two strains were analyzed using a bioinformatics software package. The full-length genome of JS-02a-CHN, was detected in healthy piglets was 8121 nucleotides (nt) long excluding the poly(A) tail.
View Article and Find Full Text PDFZhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi
August 2014
Objective: To investigate the effect of Der f 1 mRNA molecules for specific immunotherapy on murine model of asthma.
Methods: Fifty BALB/c mice were randomly divided into 5 groups: PBS group, Der f 1 sensitization group, Der f 1 specific immunotherapy (SIT) group, beta-actin mRNA SIT group, and Derf 1 mRNA SIT group. On days 0, 7 and 14, mice in PBS group received PBS injection; mice in the other groups were intraperitoneally injected with 10 microg Derf 1.
We prospectively studied the effectiveness of the repositioning suture of the erector spinae muscle for lumbar spine surgery using the posterior approach. 393 patients undergoing lumbar spine surgery were randomized to receive the repositioning or conventional suture of the erector spinae muscle. Time to stitch removal and drainage volume was recorded at 24 and 48 h after operation.
View Article and Find Full Text PDFImmunization with DNA-based constructs has been shown to be against the antigen and the response is skewed in such a way as to ameliorate the symptoms of allergic disease. This approach is particularly useful in the treatment of allergic inflammatory diseases, such as asthma. The major group 1 allergen from house dust mites is one of the triggers of allergic asthma.
View Article and Find Full Text PDFTo investigate the antiviral effects of genistein on the replication of avian leukosis virus subgroup J (ALV-J) in DF-1 cells, the cells were treated with genistein at different time points and the antiviral effects were examined by using a variety of assays. We determined that genistein strongly inhibited viral gene expression and decreased the viral protein level in the cell supernatant and the cytoplasm without alerting virus receptor expression and viral attachment. We also observed that genistein was not found to interfere with virus entry, but significantly inhibited both viral gene transcriptions at 24h post infection and virus release, which indicate that genistein exerts its inhibitory effects on the late phase of ALV-J replicative cycle.
View Article and Find Full Text PDFAstrocytes are proving to be critical for the development of cognitive functions. In addition, astrocytic activation contributes to cognitive impairment induced by chronic cerebral hypoperfusion. Minocycline has been shown to exhibit long-term neuroprotective effects in vascular cognitive impairment rat models through the inhibition of astrogliosis, and has demonstrated potential for the prevention and treatment of postoperative cognitive decline in elderly patients.
View Article and Find Full Text PDFThis study deals with the utilization of agro-industrial wastes created by barley and wheat bran in the production of a value-added product, γ-aminobutyric acid (GABA). The simple and eco-friendly reaction requires no pretreatment or microbial fermentation steps but uses barley or wheat bran as an enzyme source, glutamate as a substrate, and pyridoxal 5'-phosphate (PLP) as a cofactor. The optimal reaction conditions were determined on the basis of the temperatures and times used for the decarboxylation reactions and the initial concentrations of barley or wheat bran, glutamate, and PLP.
View Article and Find Full Text PDFMonoclon Antib Immunodiagn Immunother
June 2013
We developed a panel of monoclonal antibodies (MAb) against chicken β2-microglobulin (chβ2M) by fusions between SP2/0 myeloma cells and spleen cells from mice immunized with a synthesized peptide corresponding to positions 91-119 of the COOH domain of chβ2M. Two of them, 6E7 and 3D1, identified as IgG1/κ, could react with chβ2M protein from avian macrophage HD11 cells and human 293T cells transfected with pcDNA3.1-chβ2M in immunofluorescence assays.
View Article and Find Full Text PDFXi Bao Yu Fen Zi Mian Yi Xue Za Zhi
July 2011
Aim: The current study was aimed to generate mouse monoclonal antibodies (mAbs) specific for Fc receptor common γ chain (FcRγ), which serves a critical signaling molecule for numerous human immune receptors that play essential roles in human immune responses.
Methods: Two BALB/c mice were immunized with the synthesized polypeptides containing 19 residues at the carboxyl terminus of human FcR γ chain. The spleen cells from the immunized mice were fused with myeloma Sp2/0 cells.
Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi
September 2009
Aim: To study the transduction and localization mechanism of Marek's disease virus serotype 1 (MDV-1) CVI988 VP22 in different cells.
Methods: VP22 was expressed with recombinant adenovirus and identified by immunofluorescence assay (IFA) and Western blot. Lysates of recombinant virus infected 293 cells were added to normal MDBK cells to identify the transduction property of VP22.
Wei Sheng Wu Xue Bao
October 2005
The recombinant transfer vector pFastBacl-ChIFN-y was constructed by plasmid pcDNA-ChIFN-gamma digested with EcoR I and Not I enzymes and cloned into pFastbacl. Then the transfer vector was transformed into E. coli competent cells DH10Bac which contained the bacmid with amini-attTn7 target site and the helper plasmid.
View Article and Find Full Text PDFIntroduction: The aim of this study was to determine the reliability of currently used classification systems for intertrochanteric fractures of the proximal femur, and to determine the reliability of these systems in experienced orthopaedic surgeons.
Materials And Methods: Forty intertrochanteric fractures of the proximal femur were classified independently by five experienced observers using the AO, Evans, Kyle, and Boyd classification systems on two separate occasions 3 months apart. The interobserver and intraobserver variation was assessed using kappa statistics.