1.Pharmacological Studies on Liniao Capsules
Yuxing CHEN ; Ruiling ZHOU ; Lan SUN ; Jingchao CUI ;
Chinese Traditional Patent Medicine 1992;0(02):-
Objective:To observe the diuretic action of Liniao Capsules (LC). Methods: The urinary effects of LC were studied in the loading rats with water.Results: LC could significantly increase the urinary output, shorten the latent period of emiction, and reduce the contents of TP in urine and BUN in blood serum. Conclusion: LC exerted the significant diuretic effect in rats.
2.Expression of Translationally Controlled Tumor Protein (TCTP) Gene of Dirofilaria immitis Guided by Transcriptomic Screening.
Yan FU ; Jingchao LAN ; Xuhang WU ; Deying YANG ; Zhihe ZHANG ; Huaming NIE ; Rong HOU ; Runhui ZHANG ; Wanpeng ZHENG ; Yue XIE ; Ning YAN ; Zhi YANG ; Chengdong WANG ; Li LUO ; Li LIU ; Xiaobin GU ; Shuxian WANG ; Xuerong PENG ; Guangyou YANG
The Korean Journal of Parasitology 2014;52(1):21-26
Dirofilaria immitis (heartworm) infections affect domestic dogs, cats, and various wild mammals with increasing incidence in temperate and tropical areas. More sensitive antibody detection methodologies are required to diagnose asymptomatic dirofilariasis with low worm burdens. Applying current transcriptomic technologies would be useful to discover potential diagnostic markers for D. immitis infection. A filarial homologue of the mammalian translationally controlled tumor protein (TCTP) was initially identified by screening the assembled transcriptome of D. immitis (DiTCTP). A BLAST analysis suggested that the DiTCTP gene shared the highest similarity with TCTP from Loa loa at protein level (97%). A histidine-tagged recombinant DiTCTP protein (rDiTCTP) of 40 kDa expressed in Escherichia coli BL21 (DE3) showed immunoreactivity with serum from a dog experimentally infected with heartworms. Localization studies illustrated the ubiquitous presence of rDiTCTP protein in the lateral hypodermal chords, dorsal hypodermal chord, muscle, intestine, and uterus in female adult worms. Further studies on D. immitis-derived TCTP are warranted to assess whether this filarial protein could be used for a diagnostic purpose.
Animal Structures/chemistry
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Animals
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Antibodies, Helminth/blood
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Antigens, Helminth/chemistry/*genetics/immunology/*isolation & purification
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Cloning, Molecular
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Dirofilaria immitis/chemistry/*genetics/immunology
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Disease Models, Animal
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Dogs
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Escherichia coli/genetics
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Gene Expression
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Molecular Sequence Data
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Molecular Weight
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Recombinant Fusion Proteins/chemistry/genetics/immunology/isolation & purification
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Sequence Analysis, DNA
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Tumor Markers, Biological/chemistry/*genetics/immunology/*isolation & purification
3.Genome of the Giant Panda Roundworm Illuminates Its Host Shift and Parasitic Adaptation
Xie YUE ; Wang SEN ; Wu SHUANGYANG ; Gao SHENGHAN ; Meng QINGSHU ; Wang CHENGDONG ; Lan JINGCHAO ; Luo LI ; Zhou XUAN ; Xu JING ; Gu XIAOBIN ; He RAN ; Yang ZIJIANG ; Peng XUERONG ; Hu SONGNIAN ; Yang GUANGYOU
Genomics, Proteomics & Bioinformatics 2022;20(2):366-381
Baylisascaris schroederi,a roundworm(ascaridoid)parasite specific to the bamboo-feeding giant panda(Ailuropoda melanoleuca),represents a leading cause of mortality in wild giant panda populations.Here,we present a 293-megabase chromosome-level genome assembly of B.schroederi to infer its biology,including host adaptations.Comparative genomics revealed an evolutionary trajectory accompanied by host-shift events in ascaridoid parasite lineages after host separations,suggesting their potential for transmission and rapid adaptation to new hosts.Genomic and anatomical lines of evidence,including expansion and positive selection of genes related to the cuticle and basal metabolisms,indicate that B.schroederi undergoes specific adaptations to survive in the sharp-edged bamboo-enriched gut of giant pandas by structurally increasing its cuticle thickness and efficiently utilizing host nutrients through gut parasitism.Additionally,we characterized the secretome of B.schroederi and predicted potential drug and vaccine targets for new control strategies.Overall,this genome resource provides new insights into the host adaptation of B.schroederi to the giant panda as well as the host-shift events in ascaridoid parasite lineages.Our findings on the unique biology of B.schroederi will also aid in the development of prevention and treatment measures to protect giant panda populations from roundworm parasitism.