In order to investigate the species and categorization of Gasterophilus in Ili horse.We analysised the COI gene of the identified Gasterophilus dominant species and constructed NJ phylogenetic tree in the study.The results showed that infection rate was 100％ in total of 16 775 the third phase Gasterophilus instar larvae.Four Gasterophilus species were identified,and showed serious mix infections.Dominant species were Gasterophilus nasalis,its relative dominance were 53.17％,and prefer to live in the cardia,others to irregular live in the pylorus of the horses.COI gene homology of GasterophiIus nasalis,Gasterophilus intestinalis,Gasterophilus pecorum,Gasterophilus haemorrhoidalis (GenBank Accession No.:GU265752.1,KR230402.1,KU578262.1,KT946620.1) were 99％,99％,99％ and 100％ respectively.Phylogenetic analysis results showed that the data were clustered with the Gasterophilus app.which publshed on the GenBank.G.intestinalis and G.haemorrhoidalis cluster together first,and then cluster with G.nasalis,at last all three kinds of Gasterophilus cluster with G.pecorum.When the COI gene is the target,in-group and out-group of the Gasterophilus can forms an independent evolutionary branch.This study provides useful parameters for the classification of Gasterophilus.

We retrospectively analyzed a child with early-onset globoid cell leukodystrophy(Krabbe's disease)caused by complex heterozygous variations in the GALC gene.The girl was admitted to the hospital at the age of 4 month with main complaints of"No obvious cause of milk refusal,poor mental state,drowsiness,convulsions,fever."Brain MRI showed abnormal symmetric signals changes in bilateral cerebellar hemispheres,bilateral internal capsule hind limbs and bilateral ventricles,thin corpus callosum,myelination process lags behind the level of children of the same age.High-throughput sequencing analysis identified compound heterozygous mutations in GALC gene(NM 000153.4):c.[908+1G>A];[194G>A and the two heterozygous mutations were correspondingly inherited from his father and mother,respectively.The application of high-throughput sequencing technology can diagnose Krabbe disease efficiently and accurately,which assists in clinical identification and diagnosis.

Marinesco-Sj?gren syndrome (MSS), also known as hereditary ataxia-dwarf-mental retardation syndrome, is a rare autosomal recessive ataxia syndrome. This article reviews the recent advance in clinic characteristics, pathogenic gene mutation sites, pathogenesis and clinic diagnosis and treatment of MSS, in order to improve clinicians' understanding of the disease and diagnosis and treatment level, and reduce the missed diagnosis and misdiagnosis of the disease.

Objective:To observe the effect of Buyang Huanwu Decoction on renal oxidative stress and NF-κB pathway in diabetic nephropathy rats.Methods:Sixty SD rats were randomly divided into normal group, model group, low, medium, and high dose of Buyang Huanwu Decoction groups and metformin group, with 10 rats in each group. The normal group was given ordinary diet every day, and the other groups were given high-fat and high-sugar diet for 6 weeks, then intraperitoneally injected 35 mg/kg STZ to establish diabetic nephropathy model. After successful modeling, the rats were orally injected with 7.42, 14.84 and 29.68 g/kg of low-dose, medium-dose and high-dose Buyang Huanwu Decoction and metformin group was orally given metformin solution 0.2 g/kg. After 6 weeks of feeding, the body weight, 24h urinary protein, serum creatinine and urea nitrogen were detected. The levels of GSH-Px, SOD, CAT and MDA in rats' kidney of each group were detected. The protein expression levels of NF-κBp65, p-NF-κBp65, TNF-α and IL-6 in rats' kidney in each group were detected by Western Blot.Results:Compared with model group, the body weight of the low, medium and high dose of Buyang Huanwu Decoction groups were increased ( P<0.01), the content of 24 h urinary protein, serum creatinine and urea nitrogen were decreased ( P<0.05 or P<0.01),the content of GSH-Px , SOD, CAT were significantly increased ( P<0.05 or P<0.01), the content of MDA was significantly decreased ( P<0.05 or P<0.01), the expression of NF-κB p65 (0.53±0.07, 0.46±0.09, 0.42±0.10 vs. 0.67±0.13), p-NF-κB p65 (0.51±0.12, 0.43±0.06, 0.34±0.17 vs. 0.59±0.07), TNF-α (1.21±0.08, 1.17±0.04, 1.05±0.22 vs. 1.43±0.21), IL-6 (0.92±0.04, 0.89±0.25, 0.73±0.09 vs. 1.06±0.08) were significantly decreased ( P<0.05 or P<0.01). Conclusion:Buyang Huanwu Decoction can improve oxidative stress state and inflammatory damage in renal tissue. The mechanism may be related to the inhibition of NF-κB signaling pathway.

Pruni Semen,the seed of several unique Prunus plants,is a traditional purgative herbal material.To determine the authentic sources of Pruni Semen,46 samples from four species were collected and analyzed.Ten compounds including multiflorin A(Mul A),a notable purative compound,were isolated and identified by chemical separation and nuclear magnetic resonance spectroscopy.Seventy-six communal components were identified by ultra-high performance liquid chromatography with linear ion trap-quadrupole Orbitrap mass spectrometry,and acetyl flavonoid glycosides were recognized as characteristic constituents.The flavonoids were distributed in the seed coat and cyanogenic glycosides in the kernel.Based on this,methods for identifying Pruni Semen from different sources were established using chemical fingerprinting,quantitative analysis of the eight principal compounds,hierarchical cluster analysis,principal component analysis,and orthogonal partial least squares discriminant analysis.The results showed that the samples were divided into two categories:one is the small seeds from Prunus humilis(Ph)and Prunus japonica(Pj),and the other is the big seeds from Prunus pedunculata(Pp)and Prunus triloba(Pt).The average content of Mul A was 3.02.6.93,0.40,and 0.29 mg/g,while the average content of amygdalin was 18.5,17.7,31.5,and 30.9 mg/g in Ph,Pj,Pp,and Pt,respectively.All the above information suggests that small seeds might be superior sources of Pruni Semen.This is the first comprehensive report on the identification of chemical components in Pruni Semen from different species.

Objective To screen the epithelial mesenchymal transformation(EMT)-related genes in lung adenocarcinoma,perform functional enrichment analysis and construct protein interaction network(PPI).Ac-cording to the competitive endogenous RNA(ceRNA)hypothesis and the effect of gene expression on the prognosis of patients,the ceRNA network was constructed.Methods The differentially expressed genes be-tween lung adenocarcinoma tissues and normal tissues were screened by gene expression map and tumor ge-nome map database,and the genes were imported into GenClip3 to obtain EMT-related genes.Metascape was used to perform gene ontology and Kyoto encyclopedia of gene and genome enrichment analysis,and STRING database was used to construct PPI and obtain EMT key genes.The relationship between key genes and prog-nosis was analyzed by Kaplan-Meier analysis.Analysis tools such as miRTarbase,miRNet database,and EN-CORI were used to construct ceRNA networks.Results In this study,156 lung adenocarcinoma EMT-related genes and their key genes cadherin 1,interleukin-6,matrix metalloproteinase-9,platelet endothelial cell adhe-sion molecule,cyclin-dependent kinase inhibitor 2A,α1-Ⅰcollagen gene,secreted phosphoprotein 1,TIMP in-hibitor of matrix metalloproteinase-1,caveolin-1 and Zeste homologue enhance core 2(EZH2)-1 were identi-fied.The PPI of key genes was predicted,and the therapeutic drugs targeting these key genes including salvia miltiorrhiza,ginseng lu,ginseng leaf and ginseng flower were also predicted.The prognostic ceRNA regulatory network of EZH2/hsa-miR-101-3p/GSEC was constructed.Conclusion This study describes using bioinfor-matics methods system in the process of EMT gene interactions,according to the lung adenocarcinoma pa-tients clinical data to construct the prognosis of the EMT process related ceRNA network,for the treatment and prognosis of lung adenocarcinoma judgment provides a new way of thinking.

kV X-ray radiotherapy was the primary mode of radiotherapy widely used to treat many types of cancer, including deep tumors, before the invention of the Co-60 therapy machine and the electron linear accelerator, which gradually replaced kV X-ray radiotherapy. kV X-ray radiotherapy equipment requires less space and shielding, and still has application value in the treatment of skin lesions and superficial tumors. Especially in recent years, kV X-ray has been used in the treatment of keloid, and electronic brachytherapy equipment has been used in intracavitary, intraoperative, and superficial radiotherapy. Therefore, kV X-ray radiotherapy has seen renewed application. The quality control of kV X-ray radiotherapy equipment is the key to ensure the treatment effect and safety of patients. This paper reviews the current status of quality control of kV X-ray radiotherapy equipment and provides a reference for the formulation of quality control assessment standards for kV X-ray radiotherapy equipment.

ObjectiveTo find the type of dietary structure that can effectively prevent or improve postprandial sleepiness in the Chinese population， and provide scientific basis and solutions for improving or avoiding postprandial sleepiness. MethodsIn this study， a six-day dietary intervention trial was conducted for 20 volunteers on four different diets （normal diet， high-fat diet， high-carbohydrate diet and healthy diet）. ResultsThe results showed that sleepiness increased after all four types of meals， but decreased after 30 minutes in the healthy balanced diet group； meanwhile， it increased for 60 minutes before it declined in the high-carbohydrate， high-fat， and normal diet （control） group. At 60 minutes after meal， the drowsiness of the healthy balanced diet group was the weakest， and that of the high carbohydrate diet groups was the strongest， while that of the normal diet group and the high fat diet group was intermediate （P<0.000 1）. Postprandial sleepiness was positively correlated with intake of carbohydrate and manganese， and negatively correlated with intake of protein， some mineral elements and vitamins. ConclusionThese results suggest that controlling carbohydrate and fat intake and appropriately increasing the intake of mineral elements and vitamins in a healthy and balanced diet can significantly improve and prevent postprandial sleepiness.

Objective To establish a method for the determination of total polyphenols and catechins in betel nut polyphenols extract, and provide reference for the quality control of betel nut polyphenols extract. Methods The content of total phenol in betel nut extract was determined by ultraviolet spectrophotometry. The content of catechins was determined by HPLC. Results The linear range of total polyphenols in betel nuts extract was 9.8~58.8 μg/ml. The three components of catechin, epicatechin and protocatechuic acid were completely separated by HPLC, and the linear relationship was good in their respective ranges, with the recoveries between 99.17% and 101.67%, the RSD between 1.2% and 2.5%. Conclusion The established method is simple, stable and reliable, which could be used for the quantitative analysis of betel polyphenol extract, and provide experimental basis for the quality control of betel polyphenol extract.

Areca catechu L. medicinal materials and their preparations are widely used in clinical practice. Betelnut polyphenol is one of the main chemical components with antioxidant, anti-inflammatory, and antibacterial effects. With continuous increase of high altitude activities, tissue oxidative damage caused by high altitude hypoxia seriously affects the ability to work, and the studies on anti-hypoxia drugs are particularly important. Recent studies have shown that betelnut polyphenols have protective effects on oxidative stress injury caused by hypoxia via improving blood gas index of hypoxic organism, increasing superoxide dismutase glutathione catalase activity, and scavenging excessive free radicals. The effects of betelnut polyphenols against hypoxia and oxidative damage protection suggest that betelnut polyphenols can be used as potential anti-hypoxia drugs and posses clinical prospects.
Antioxidants/pharmacology* ; Areca/chemistry* ; Humans ; Hypoxia ; Oxidative Stress ; Polyphenols/pharmacology* ; Superoxide Dismutase/metabolism*