Publications by authors named "Tian-Hua Yang"

Cerebral amyloid angiopathy associated with inflammation (CAA-ri) is characterized by an inflammatory response to the vascular deposits of β-amyloid within the brain that is a very rare subtype of cerebral amyloid angiopathy.The most common clinical manifestation of CAA-ri was headache, epilepsy, and cognitive dysfunction. Magnetic resonance imaging (MRI) showed focal or multiple white matter lesions, lobar intracerebral hemorrhage, extensive cortical or subcortical microbleeds.

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Objective: To establish the STO cell lines expressing green fluorescent protein (GFP) and mouse leukemia inhibitory factor (LIF) , and try to culture the mouse embryonic stem cells (mESCs) by using the established STO-GFP-mLIF cells as the feeder layer.

Methods: The lentiviral particles containing GFP and mLIF and puromycin-resistance gene were constructed and transduced into STO cell lines. The cell lines stably expressing GFP and mLIF genes were screened out.

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Article Synopsis
  • * Results indicated that smaller particle sizes (< 1 μm) have higher concentrations of leached heavy metals, particularly Zn and Cu, compared to larger sizes.
  • * The research concluded that fly ash particles less than 10 μm are more toxic, and the leaching methods using TCLP and sulfuric/nitric acid were found to be more effective than European standards for assessing leaching.
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Objective: To investigate the effects of endomorphin-1 (EM-1) on the maturation phenotype, cytokine secretion, T cell proliferation and TLR4 expression in human peripheral blood dendritic cells (PBDCs) stimulated and induced by high glucose, and to explore the regulatory mechanism of EM-1 on DC immune function.

Methods: Peripheral blood mononuclear cells (PBMNCs) were induced into immature dendritic cells (imDCs). The high glucose was used as the stimulating factor, and the EM-1 was used as the interventional factor.

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  • The study aimed to understand how the opening of the mitochondrial permeability transition pore (MPTP) affects the protective effects of endomorphine-1 against heart damage caused by ischemia-reperfusion injury in rats.
  • Forty-five male SD rats were divided into groups for different treatments, including control and various postconditioning methods. They monitored heart function and analyzed heart tissue for signs of damage and cell death after the procedure.
  • Results showed that endomorphine-1 improved heart function and reduced heart damage compared to the ischemia-reperfusion group, likely by inhibiting MPTP opening and lowering apoptosis markers, while the use of atractyloside reversed these protective effects.
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Purpose: To investigate the antiepileptic and protective effects of intravenous levetiracetam (iv LEV) in the rhesus monkey model of acute status epilepticus (SE).

Methods: Thirty minutes before intraperitoneal induction of SE by Coriaria lactone (CL), rhesus monkeys were treated with LEV (15 or 150 mg/kg) delivered intravenously as a single bolus. CL dose and epileptic behavior were recorded.

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One of the major challenges in developing novel therapeutics for human epileptic disorders derives from the limitation of knowledge of the processes by which epilepsy is generated (epileptogenesis). Furthermore, the inability to obtain human samples at the early stage of epilepsy hinders studies designed to further understand epileptogenesis. Thus, an effective animal model is critical for studies investigating this process.

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Glutamate receptor 5 (GluR5) plays a role as an excitatory regulator of synaptic transmission and plasticity; however, its exact role in the pathological mechanism underlying epilepsy is not fully known. We investigated GluR5 expression in resected brain tissues from humans with temporal lobe epilepsy (TLE) and from a macaque model of Coriaria lactone-induced TLE. GluR5 was upregulated in the hippocampus, but not in the temporal neocortex, of patients with TLE compared to the control group.

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The overexpression of the multidrug resistance gene (MDR-1) and its translational product p-glycoprotein (P-gp) may play an important role in pharmacoresistant epilepsy. We established the rat astrocyte model overexpressing P-gp induced by coriaria lactone and successfully nucleofected it with the siRNA-hairpin expression vector pSIREN-shuttle designed to target MDR-1B mRNA. The mRNA expression of MDR-1B gene was mostly knock down by 67.

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Purpose: To study the cost of epilepsy in China, and, therefore, provide essential information on the burden of the disease to individuals and society.

Methods: A cost-of-illness study was performed on a retrospective cohort of medically treated patients. Data on clinical characteristics, utilization of sources, and costs were collected from 289 patients in a standardized format.

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Objective: To construct the recombinant adenoviral RNA interference (RNAi) vector in order to inhibit the expression of multidrug resistance MDR1 gene, and probe whether gene therapy for multidrug resistance of epilepsy is feasibility.

Methods: Three target sequences for short hairpin RNA (shRNA) expression were selected and designed according to MDR1 gene sequence of rat. Annealed oligos were inserted into the downstream of treated pSIREN-shuttle U6 promoter to construct RNAi plasmid pSIREN-shuttle-MDR1.

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The sintering process is used to stabilize the heavy metal in fly ash from municipal solid waste incinerator (MSWI). Migration characteristics of 6 targeted heavy metals (Cd, Pb, Cu, Ni, Cr and Zn) in the sintering process of MSWI fly ash were investigated by experiments. Effect of several factors including sintering temperature, residence time, molding pressure and particle diameter on the migration of heavy metals were discussed in details.

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