1.Effect of Liangxue Huayu Formula on the Wet Aged Macular Degeneration:A Clinical Report of 90 Cases
Huijuan WANG ; Youzhi TANG ; Guojun CHAO ; Jun FENG
Journal of Traditional Chinese Medicine 1993;0(04):-
0.05). There were 17 cases with sli g ht adverse reactions. Conclusion The herbal decoction L iangxue Huayu Formula is e ffective in the 6-month observation period for the wet AMD cases through sta bilizing the conditions of retinal hemorrhage, exudation, and accumulated damage with low incidence of untoward reactions. It's a safe method for treatment.
2.Clinical effect of autologous fat grafting in the frontotemporal augmentation
Zhaoyun TAN ; Yuechong LEI ; Youzhi FENG ; Min ZHOU
Chinese Journal of Medical Aesthetics and Cosmetology 2015;21(1):11-14
Objective To explore the clinical effect of autologous fat grafting in frontotemporal augmentation.Methods The fat granule was harvested from patient's abdomen or both medial knees by a multi-holed liposuction cannula attached to a syringe with negative pressure.Then the syringe was held vertically with the open end pointing downward until the fat and fluid were separated.The aqueous layer at the bottom and the oil layer on the top were discarded.The fat without being washed was directly transferred into 2 ml syringes and injected into bilateral temple and frontal depression area with a multi-plane,multi-tunnel,multi-point approach.The volume of injection was over 20%-30%.From March 2010 to March 2013,117 patients underwent this procedure.Results In all the 117 cases,there were no complications such as hematoma,induration,and infection.There were 11 cases (11.4%) in temple and 13 cases (20.0%) in frontal region achieved aesthetically-acceptable results after the second treatment.There was no statistically significant difference in secondary operation rates between the temple group and the frontal grouup (x2 =2.229,P>0.05).Based on the followup for 3-36 months on all 117 cases,satisfactory results were obtained with improved frontotemporal contour and skin texture.The volume retention of transplanted fat was estimated between 60% and 80%,which was based on subjective analysis of photographs.Conclusions Autologous fat grafting in frontotemporal depression is a convnient technique with reliable clinical results.It is also an optimal and safe method for facial rejuvenation and contouring remodeling.
3.Determination of Pharmacokinetics Differences of Ammuxetine Isomers in Rat Plasma Using On-Line Solid Phase Extraction with Liquid Chrommatography-Tandem Mass Spectrometry
Ying LI ; Hang FENG ; Wei GONG ; Fanglin YU ; Xiangyang XIE ; Xinhua HE ; Youzhi ZHANG ; Xingguo MEI
Chinese Journal of Analytical Chemistry 2014;(12):1717-1722
An on-line solid phase extraction ( SPE ) coupled with HPLC-MS/MS method was developed to determine S-ammuxetine and R-ammuxetine in rat plasma. The sample preparation consisted of the following steps:A protein precipitation extraction used methanol and acetonitrile ( 50:50 , V/V ); an on-line SPE treatment to remove most matrixes in plasma;an enrichment and separation step used a C18 analytical column. S-and R-ammuxetine were determined by tandem mass spectrometry. The SPE column was a Retain PEP Javelin (10 mm × 2. 1 mm × 5 μm), while the chromatographic separation was achieved using a ZORBAX SB-C18 (50 mm × 2. 1 mm × 3. 5 μm) analytical column with an isocratic mobile phase composed of acetonitrile-water-formic acid (40:60:0. 1, V/V/V, 0. 3 mL/min). The selected reaction monitoring mode of the positive ion was performed and the precursor to the product ion transitions of m/z 292 . 1/154 . 0 and m/z 260. 4/116. 2 were used to measure S-ammuxetine, R-ammuxetine and internal standard (propranolol). The method was linear over a concentration range from 0 . 2 to 1000 μg/L with the correlation coefficients of 0 . 9903 and 0 . 9951 . The average intra-day precision values were 1 . 2% -12 . 0% for S-ammuxetine and 0. 4%-11. 2% for R-ammuxetine, respectively. The average recoveries were 94. 2%-101. 6% for S-ammuxetine and 94. 3% -109. 4% for R-ammuxetine. Compared to the literature, the sensitivity of this method increased dramatically. The present method has been successfully applied to the preclinical rat research of ammuxetine isomers following intragastric administration.
4.Clinical effects of modified single Z-shaped asymmetric flap on correction of epicanthus combined with horizontal double eyelid surgery
Qiang ZHANG ; Jun GUO ; Wang LIU ; Youzhi FENG
Chinese Journal of Medical Aesthetics and Cosmetology 2019;25(4):299-301
Objective To investigate the possibility and aesthetic results of plastic and cosmetic surgery incorporating the modified single z-type epicanthoplasty with the horizontal double-eyelid blepharoplasty.Methods A total of 150 patients with epicanthus fold and single eyelid were performed the horizontal double-eyelid blepharoplasty with single Z-shaped asymmetric flap method in one-stage procedure.Results After 3 to 12 months following up,three cases presented mild scar proliferation in epicanthal incision,and then with the swelling subsided and scar removal,the scars were gradually disappeared.All of other patients had no obvious scar after the surgery.Conclusions This is an effective combined surgical procedure.There is no obvious scar in endocanthion.This method could be widely used in clinic.
5.Evidence of two genetically different lymphotropic herpesviruses present among red deer, sambar, and milu herds in China
Hongwei ZHU ; Huitao LIU ; Xin YU ; Jianlong ZHANG ; Linlin JIANG ; Guozhong CHEN ; Zhibin FENG ; Youzhi LI ; Tao FENG ; Xingxiao ZHANG
Journal of Veterinary Science 2018;19(5):716-720
Herpesvirus infections in Cervidae are a serious threat affecting some deer species worldwide. In our attempt to identify malignant catarrhal fever-associated herpesviruses in deer herds, ten gammaherpesviral DNA fragments were identified in five species of deer in herds in China by using a pan-herpesvirus polymerase chain reaction assay targeting viral DNA polymerase. Notably, in sambar (Rusa unicolor), a novel gamma-2 herpesvirus was identified that showed a close relationship with fallow deer lymphotropic herpesvirus (LHV), while the other fragments were phylogenetically grouped together with Elk-LHV. Determination of whether these viruses have any clinical implication in these deer species should be undertaken urgently.
Animals
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Cattle
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China
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Deer
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DNA
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DNA, Viral
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Herpesviridae Infections
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Herpesviridae
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Malignant Catarrh
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Polymerase Chain Reaction
6.PM2.5 in poultry houses synergizes with Pseudomonas aeruginosa to aggravate lung inflammation in mice through the NF-κB pathway
Meng LI ; Xiuli WEI ; Youzhi LI ; Tao FENG ; Linlin JIANG ; Hongwei ZHU ; Xin YU ; Jinxiu TANG ; Guozhong CHEN ; Jianlong ZHANG ; Xingxiao ZHANG
Journal of Veterinary Science 2020;21(3):e46-
Background:
High concentrations of particulate matter less than 2.5 μm in diameter (PM2.5) in poultry houses is an important cause of respiratory disease in animals and humans. Pseudomonas aeruginosa is an opportunistic pathogen that can induce severe respiratory disease in animals under stress or with abnormal immune functions. When excessively high concentrations of PM2.5 in poultry houses damage the respiratory system and impair host immunity, secondary infections with P. aeruginosa can occur and produce a more intense inflammatory response, resulting in more severe lung injury.
Objectives:
In this study, we focused on the synergistic induction of inflammatory injury in the respiratory system and the related molecular mechanisms induced by PM2.5 and P. aeruginosa in poultry houses.
Methods:
High-throughput 16S rDNA sequence analysis was used for characterizing the bacterial diversity and relative abundance of the PM2.5 samples, and the effects of PM2.5 and P. aeruginosa stimulation on inflammation were detected by in vitro and in vivo.
Results:
Sequencing results indicated that the PM2.5 in poultry houses contained a high abundance of potentially pathogenic genera, such as Pseudomonas (2.94%). The lung tissues of mice had more significant pathological damage when co-stimulated by PM2.5 and P. aeruginosa, and it can increase the expression levels of interleukin (IL)-6, IL-8, and tumor necrosis factor-α through nuclear factor (NF)-κB pathway in vivo and in vitro.
Conclusions
The results confirmed that poultry house PM2.5 in combination with P. aeruginosa could aggravate the inflammatory response and cause more severe respiratory system injuries through a process closely related to the activation of the NF-κB pathway.
7.Exposure to specific far-infrared ray based on gra-phene film promotes exercise capacity and glucose metabolism via AMPK
Shuo LI ; Xiaoyao MIAO ; Jinshui ZHANG ; Dongdong WEI ; Huajin DONG ; Rui XUE ; Jincao LI ; Yang ZHANG ; Xiaoxing FENG ; Jin LI ; Youzhi ZHANG
Chinese Journal of Pharmacology and Toxicology 2023;37(7):556-557
OBJECTIVE AMPK activator,act as exer-cise mimetics,effective in preventing or ameliorating met-abolic diseases,including obesity and diabetes.Systemic activating of AMPK represents an important therapeutic strategy to treat metabolic diseases.However,whether far-infrared(FIR)hyperthermia therapy could be used as exercise mimetic to realize wide-ranging metabolic regu-lation,and its underling mechanisms remain unclear.METHODS The mice were subjected to hyperthermia in the FIR chamber(30±1)℃for 14 d.Exercise endurance was determined using a treadmill.Blood flow were mea-sured by the laser speckle contrast imaging.Combina-tion of microbiomic and metabolomic analysis,diversity of microbiota and metabolic profiling in muscle were detected.The microbiota disorder model via treatment with different cocktails of antibiotics(ABX).RESULTS The material characterization shows that the graphene synthesized by chemical vapour deposition(CVD)is dif-ferent from carbon fi ber,with single-layer structure and high electrothermal transform efficiency.The emission spectra generated by graphene-FIR device would maxi-mize matching those adsorbed by tissues(≈8.0 μm).Gra-phene-FIR improves core and epidermal temperature,and increases blood flow in femoral muscle and abdo-men.The diversity of gut microbiota was increased by graphene-FIR exposure.Graphene-FIR reduced the bac-teroidetes/firmicutes(B/F)ratio and increased the abun-dance of short-chain fatty acids(SCFA)-producing bac-teria,including Allobaculum,Blautia and Anaerostipes.Additionally,graphene-FIR stimulated the expression of SCFAs-sensing receptor(GPR 43),p-AMPK Thr172 and GLUT4,and increased the AMP/ATP ratio,thus enhanc-ing muscle glucose uptake.Metabolomic analyses revealed the significant changes in 25 metabolites,with twenty increased(eg.creatinine and phosphate)and five decreased(eg.lactic acid),and the marked impact of five metabolic pathways,including galactose metabo-lism,glycolysis,gluconeogenesis,fatty acid biosynthesis,butanoate metabolism,pyruvate metabolism.Further-more,a microbiota disorder model also demonstrates that the graphene-FIR effectively restore the exercise endurance with enhanced p-AMPK and GLUT4.CON-CLUSION Our results provide convincing evidence that graphene-based FIR therapy promoted exercise capacity and glucose metabolism via AMPK in gut-muscle axis.These novel insights into graphene-FIR therapy suggest a potential as an exercise mimetic for the treatment of metabolic disease in clinical.