1.The application of detecting 9 kinds of IgM antibodies of pathogens in children with respiratory infection
Meiqiong HUANG ; Runxia TAN ; Yinqing LI
International Journal of Laboratory Medicine 2014;(11):1422-1423,1425
Objective To observe the effect of nine respiratory tract infection pathogen IgM antibodies test,and guiding signifi-cance of treatment.Methods A total of 1 000 children who had respiratory tract infection were collected in this study.Children se-rum were analyzed with detection reagent of nine respiratory tract infection IgM antibody pathogen and ILF,respectively.Compa-ring the results of two methods,the accuracy of nine respiratory tract infection pathogen IgM antibody was analyzed and observed its guidance to treatment.Results Two measures have close result.917 children in 1 000 cases recover quickly through symptomat-ic treatment.21 children choked and 2 of them died because of multiple organ failure.62 children Improved and left hospital through long time treatment.Conclusion Nine respiratory tract infection pathogen IgM antibody test can detect multiple pathogens quickly with high specificity.and it suits Basic level hospital with positive social and economic benefits.
2.The application of syphilis detection in the pre-pregnancy eugenics inspection
Yinqing LI ; Aiping MAI ; Yao TAN ; Xiying LIU
International Journal of Laboratory Medicine 2015;(13):1891-1892,1895
Objective To investigate the application of syphilis detection in the pre-pregnancy eugenics inspection.Methods 12 900 women who attended the national free pre-pregnancy eugenics inspection from March 201 1 to October 2013 were selected as subjects.The treponema pallidum particle agglutination assay(TPPA)and rapid plasma regain test(RPR)were conducted among them before pregnancy,and the results of syphilis detections were recorded and compared.Results In 12 900 women,63 cases (0.49%)were syphilis positive in RPR tests,129 cases(1.00%)were syphilis positive in TPPA test,and 45 cases(0.35%)were syphilis positive both in RPR and TPPA tests.There were significant differences in positive rates of syphilis between that in the RPR test and that in the TPPA test(P <0.05),while no significant differences were found in positive rates of syphilis between that in the RPR test and that in the combined detection of RPR test and TPPA test.There were significant differences in positive rate of syphilis between that in the TPPA test and that in the combined detection of RPR test and TPPA test(P <0.05).The sensitivity of RPR test and TPPA test was 71.4% and 34.9%,respectively.Conclusion Both the RPR test and TPPA test could be the fast and ef-fective method in diagnosis of syphilis.However,RPR test might be more sensitive,which could be widely used in the pre-pregnancy eugen-ics healthy screening.Moreover,the diagnosis results could be confirmed by combination of RPR test and TPPA test.
3.On anti-inflammation,immune regulation and anti-stress effect of cartialgenous collagen zymolyte
Yinqing LI ; Yu ZHAO ; Xiaodi SUN ; Xiaobo QU
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(07):-
Objective:To investigate the anti-inflammation,immune regulation and anti-stress effect of cartialgenous collagen zymolyte.Methods:The anti-inflammatory effect was observed by carrageenan-induced foot swelling test,the immune effect was observed by delayed-type hypersensitivity (DTH) induced by 2,4-dinitrochlorobenzene and the anti-stress effect was observed by hypoxia tolerance and fatigue tolerance. Results:The cartialgenous collagen zymolyte can inhibit the carrageenan-induced foot swelling and delayed-type hypersensitivity (DTH) induced by 2,4-dinitrochlorobenzene,and improve the macrophagocyte phagocytosis function,and enhance the body,s non-specific resistance to fatigue.Conclusion:Cartialgenous collagen zymolyte appeared obvious immune regulation,anti-inflammation and anti-stress effect.
4.Prevention and therapeutic effects of sika deer velvet collagen hydrolysate on osteoporosis in rats by retinoic acid.
Yinqing LI ; Yu ZHAO ; Xiaodi SUN ; Xiaobo QU
China Journal of Chinese Materia Medica 2010;35(6):759-762
The objective was to evaluate the preventive and therapeutic effects of the collagen hydrolysate extracted from Sika deer velvet (CSDV) on osteoporosis rats induced by retinoicacid. Histomorphometric indices and serum biochemical parameters were measured in osteoporosis rats treated with/without antler collagen and in sham-operated rats. Our results were as follows: compared with the osteoporosis group, significant elevation in the levels of bone mineral density (BMD), Ca, P and static histomorphometric indexes and biomechanical properties, but reduction in the level of serum alkaline phosphatase (ALP) were observed in antler collagen-treated groups. However, the above function with the collagenase solution velvet material varied with the different doses. In conclusion, the extracted collagen is found to play a role in the prevention and treatment of osteoporosis rats by retinoic acid.
Animals
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Bone Density
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drug effects
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Collagen
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metabolism
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therapeutic use
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Female
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Humans
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Male
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Osteoporosis
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prevention & control
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Osteoporosis, Postmenopausal
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Rats
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Rats, Wistar
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Tretinoin
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therapeutic use
5.Genome Assembly and Population Resequencing Reveal the Geographical Divergence of Shanmei(Rubus corchorifolius)
Yang YINQING ; Zhang KANG ; Xiao YA ; Zhang LINGKUI ; Huang YILE ; Li XING ; Chen SHUMIN ; Peng YANSONG ; Yang SHUHUA ; Liu YONGBO ; Cheng FENG
Genomics, Proteomics & Bioinformatics 2022;(6):1106-1118
Rubus corchorifolius(Shanmei or mountain berry,2n=14)is widely distributed in China,and its fruits possess high nutritional and medicinal values.Here,we reported a high-quality chromosome-scale genome assembly of Shanmei,with contig size of 215.69 Mb and 26,696 genes.Genome comparison among Rosaceae species showed that Shanmei and Fupenzi(Rubus chingii Hu)were most closely related,followed by blackberry(Rubus occidentalis),and that environmental adaptation-related genes were expanded in the Shanmei genome.Further resequenc-ing of 101 samples of Shanmei collected from four regions in the provinces of Yunnan,Hunan,Jiangxi,and Sichuan in China revealed that among these samples,the Hunan population of Shanmei possessed the highest diversity and represented the more ancestral population.Moreover,the Yunnan population underwent strong selection based on the nucleotide diversity,linkage dise-quilibrium,and historical effective population size analyses.Furthermore,genes from candidate genomic regions that showed strong divergence were significantly enriched in the flavonoid biosyn-thesis and plant hormone signal transduction pathways,indicating the genetic basis of adaptation of Shanmei to the local environment.The high-quality assembled genome and the variome dataset of Shanmei provide valuable resources for breeding applications and for elucidating the genome evo-lution and ecological adaptation of Rubus species.
6.Improvement effect of velvet antler polypeptide on postmenopausal osteoporosis in rats and its mechanism
Xueting CHI ; Fangyuan CHEN ; Zifeng PI ; Guangfu LYU ; Yuchen WANG ; Yinqing LI ; Xiaowei HUANG ; Zhe LIN
Journal of Jilin University(Medicine Edition) 2024;50(4):963-969
Objective:To discuss the protective effect of velvet antler peptide(VAP)on the postmenopausal osteoporosis(PMOP)model rats,and to clarify its possible mechanism.Methods:A total of 60 twelve-week-old female SD rats were randomly divided into sham operation group,model group,alendronate sodium group(1 mg·kg 1·d-1 alendronate sodium administered via gavage),low dose of VAP group(100 mg·kg·d-1 VAP administered via gavage),medium dose of VAP group(200 mg·kg 1·d-1 VAP administered via gavage),and high dose of VAP group(300 mg·kg1·d-1 VAP administered via gavage),and there were 10 rats in each group.Except for the sham operation group,the rats in the other groups underwent bilateral ovariectomy to establish the PMOP rat models.Dual-energy X-ray absorptiometry was used to detect the femur bone mineral density(BMD)of the rats in various groups;enzyme-linked immunosorbent assay(ELISA)was used to detect the levels of serum calcium(Ca2+),serum phosphorus(P),bone alkaline phosphatase(BALP),and procollagen type Ⅰ N-terminal propeptide(PINP)of the rats in various groups;Kits were used to detect the activities of superoxide dismutase(SOD)and the levels of malondialdehyde(MDA)of the rats in various groups;HE staining was used to observe the pathomorphology of bone tissue of the rats in various groups;Western blotting method was used to detect the expression levels of phosphatidylinositol 3-kinase(PI3K),phosphorylated PI3K(p-PI3K),protein kinase B(AKT),and phosphorylated AKT(p-AKT)proteins in bone tissue of the rats in various groups.Results:Compared with sham operation group,the BMD in femur of the rats in model group was decreased(P<0.01);compared with model group,the BMD in femur of the rats in alendronate sodium group,medium dose of VAP group,and high dose of VAP group was increased(P<0.05 or P<0.01).Compared with sham operation group,the levels of Ca2+,P,BALP,PINP,and SOD activity in serum of the rats in model group were decreased(P<0.05 or P<0.01),and the MDA level was increased(P<0.01);compared with model group,the level of P in serum of the rats in medium dose of VAP group was increased(P<0.01),and the levels of Ca2+,P,BALP,PINP and the activities of SOD in serum of the rats in alendronate sodium group and high dose of VAP group were increased(P<0.05 or P<0.01),and the level of MDA in serum was decreased(P<0.05).The HE staining results showed that compared with sham operation group,the bone trabeculae in bone tissue of the rats in model group were thin and fractured,and the medullary cavity was enlarged;compared with model group,the bone trabeculae in bone tissue of the rats in alendronate sodium group,medium dose of VAP group,and high dose of VAP group were thick and tightly arranged,and had more osteocytes.The Western blotting results showed that compared with sham operation group,the ratios of p-PI3K/PI3K and p-AKT/AKT in bone tissue of the rats in model group were decreased(P<0.01);compared with model group,the ratios of p-PI3K/PI3K in bone tissue of rats in different doses of VAP groups were increased(P<0.05 or P<0.01),and the ratios of p-AKT/AKT of the rats in alendronate sodium group and high dose of VAP group was increased(P<0.01).Conclusion:VAP can improve PMOP in the rats,and its mechanisms may be related to the regulation of the PI3K/AKT signaling pathway and the reduction of oxidative stress in bone tissue by VAP.