Publications by authors named "Hong-Yu Song"

Background: While intervertebral disc degeneration (IVDD) is crucial in numerous spinally related illnesses and is common among the elderly, the complete understanding of its pathogenic mechanisms is still an area of ongoing study. In recent years, it has revealed that liposomes are crucial in the initiation and progression of IVDD. However, their intrinsic mediators and related mechanisms remain unclear.

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The deteriorated plasticity arising from the insoluble precipitates may lead to cracks during the rolling of FeCrAl alloys. The microstructure evolution and hot deformation behavior of an FeCrAl alloy were investigated in the temperature range of 750-1200 °C and strain rate range of 0.01-10 s.

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Autophagy is a process that serves to degrade damaged proteins and organelles, thereby promoting cell homeostasis, differentiation, development and survival. Many miRNAs have been found to have regulatory roles in autophagy. In insects, it has been shown that autophagy is involved in hormone-regulated programmed cell death during metamorphic midgut remodelling.

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  • The study focuses on adenylate kinases (EgADK1 and EgADK8) in Echinococcus granulosus, exploring their molecular characteristics and potential immunological roles.
  • Both enzymes were cloned and expressed, showing high sequence similarity, multiple phosphorylation sites, and B-cell epitopes, indicating their significance in ATP metabolism and parasite development.
  • Although EgADK1 and EgADK8 were found in various stages of the parasite, they are not effective as diagnostic antigens for cystic echinococcosis due to recognition by sera from other infected animals.
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  • The study focuses on the seroprevalence of an intracellular protozoan parasite in cattle from Shanxi Province, north China, which can cause abortions and economic losses in the cattle industry.
  • A total of 978 serum samples from different cities were tested, revealing a 13.60% positive rate for the specific antibodies, with seroprevalence varying significantly between locations (0 to 78.89%).
  • Key risk factors identified included geographical location and management practices, with larger farming operations and cattle in certain areas being more vulnerable to infection, marking the first large-scale assessment of this issue in the region.
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Osteoarthritis (OA) is a severe inflammation-related disease which leads to cartilage destruction. The retinoic acid receptor gamma (RAR) has been indicated to be involved in many inflammation processes. However, the role and mechanism of RAR in cartilage destruction caused by inflammation in OA are still unknown.

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Objective: To investigate the condition of Acaroid mite breeding in university canteen common condiments.

Methods: Thirteen kinds of condiments of the public cafeteria and 29 kinds of condiments of the canteen warehouse storage were collected. The mites were separated by the method of water film microscopy and an electric powder set, and then the film production; mite identification and counting were performed under a microscope.

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Objective: To explore the existence of natural foci of Metorchis taiwanensis in Wuhu area.

Methods: The ecological environment and daily living habits of residents were investigated; the eggs of M. taiwanensis in the dung of ducks in local region were collected by the sedimentation method; the Parafossarulus striatulus were disposed by the tabletting method and examined with a microscope to isolate the rediae and cercariae; the metacercariae in Pseudorasbora parve were isolated by using the homogenation.

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Objective: To investigate the enzymatic hydrolysates of ProDer f land their hydrolytic products for specific immunotherapy.

Methods: The asthma models of mice made by ProDer f 1 allergen were treated by using two kinds of hydrolysates as vaccine for analyzing their effects of immunotherapy. Fifty female BALB/c mice were randomly divided into 5 groups (n = 10 for each), i.

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Objective: To observe the external morphology of Histiostoma feroniarum hypopus under light microscope.

Methods: The samples were collected in a mushroom cultivation base, and the Histiostoma feroniarum hypopus was isolated and purified. The slide samples were prepared and observed under an optical microscope.

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Objective: To express and purify the T cell epitope fusion peptide of the major allergen Der p2 from Dermatophagoides pteronyssinus.

Methods: Nucleotide sequences reported to encode four T-cell epitopes (T1-T4) of Der p2 of D. pteronyssinus were linked in the rank of T1-T2-T3-T4.

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Modifications of the comet assay were introduced to measure crosslinks and the effect of formaldehyde in liver cells of the tested animals was investigated by the new method to see whether the method is feasible. Since exposure of slides to proteinase K can increase DNA migration of the treated cells, the presence of DNA-protein crosslinks can be indicated by compare of the tail moment before and after the proteinase K added. The results showed that the modified protocol of the alkaline comet assay is a fast, inexpensive and sensitive tool for the detection of potent crosslinkers-induced DNA-protein crosslinks at single cell level.

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We have subcloned two plasmids, pWS-6BP1 and pWS-6BP2, from the 8.5 kb DNA fragment of plasmid pJB22-B6. The plasmid of pWS-6BP1, with a 5.

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From exoR'-11 which could complement two Exo(-) mutants of R. huakuii 107: NA03 and NA10, a 2.0kb BglI fragment was subcloned in pRK415.

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Chloroacetates displayed different effects on electron transports in the photosynthetic reaction center of purple bacteria (Rb.sphaeroides 601) and in the photosystem II (PS II) of higher plants. Decays of chlorophyII a fluorescence measured after actinic flashes show that chloroacetates inhibit the electron transport from Q(A)(-) to Q(B) (Q(B)(-)) and the equilibrium between Q(A)(-)Q(B) (Q(B)(-)) and Q(A)Q(B)(-) (Q(B)(2-)), acting on electron transport as well as proton transduction.

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Article Synopsis
  • The absorption and fluorescence emission spectra of RS601 resemble those of the purple nonsulfide bacteria Rb. sphaeroides.
  • Under light, RS601 chromatophores reduced methyl viologen using DCPIPH(2) as an electron donor, indicating a standard noncyclic electron transport process.
  • The study found that o-phenanthroline inhibited this electron transport but antimycin A did not, suggesting that the electron acceptance site for methyl viologen is located between the secondary electron acceptor Q(B) and cyt b, rather than at the Q(A) site.
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  • The nucleotide sequence of a 2,387 bp segment from Rhodobacter sphaeroides has been fully determined, which includes the gltD gene responsible for the small subunit of glutamate synthase along with its flanking regions.
  • An open reading frame of 1,242 base pairs was identified as the gltD gene, predicting a molecular weight of approximately 44 kD for the protein.
  • Comparative analysis showed significant similarities between the gltD sequences from R. sphaeroides, Azospirillum brasilense, and Escherichia coli, particularly noting that R. sphaeroides GltD shares high similarity with A. brasilense GltD, and the gltD-lac
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The 2.6 kb fragment which can complement the Exo(-)Ndv(-)Fix(-) mutants of R. huakuii to Exo(+)Nod(+)Fix(+) was sequenced.

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