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Early hyperbaric oxygen therapy inhibits aquaporin 4 and adrenocorticotropic hormone expression in the pituitary gland of rabbits with blast-induced craniocerebral injury

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Neural Regeneration Research 2012年第22期7卷 1729-1735页

作者： Jian Huo Jiachuan Liu Jinbiao wang Yongming Zhang chunlin wang Yanyan Yang WenjiangSun Shaonian Xu Department of Neurosurgery the 105 Hospital of Chinese PLAHefei 230032Anhui ProvinceChina

In the present study, rabbits were treated with hyperbaric oxygen for 1 hour after detonator-blastinduced craniocerebral injury. Immunohistochemistry showed significantly reduced aquaporin 4 expression and adrenocorticotropic hormone expression in the pituitary gland of rabbits with craniocerebral injury. Aquaporin 4 expression was positively correlated with adrenocorticotropic hormone expression. These findings indicate that early hyperbaric oxygen therapy may suppress adrenocorticotropic hormone secretion by inhibiting aquaporin 4 expression.

关键词： hyperbaric oxygen blast-induced injury craniocerebral injury aquaporin 4 pituitary gland adrenocorticotropic hormone

Protective Effects of Sepia Ink Melanin on Hepatic Tissue in Streptozotocin-Induced Diabetic Mice

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Journal of Ocean University of China 2022年第5期21卷 1362-1372页

作者： wang Xiaopeng HAN Meng DONG Hui ZHAO Yun SONG Weiwei wang chunlin MU Changkao LI Ronghua Key Laboratory of Applied Marine Biotechnology Ministry of EducationNingbo UniversityNingbo 315832China Collaborative Innovation Center for Zhejiang Marine High-Efficiency and Healthy Aquaculture Ningbo 315832China

Diabetes mellitus(DM)has emerged as a serious public health concern,due to the high morbidity and mortality resulted from its complications,such as diabetic nephropathy,diabetic cardiovascular complication,and diabetic neuropathy,*** this study,we investigated the beneficial effects of sepia ink melanin(SIM)on hyperglycaemia and the restoration of diabetic symptoms in streptozotocin(STZ)-induced diabetic model *** first,the normal experimental mice were performed with intraperitoneal injection of STZ(40 mg(kg BW)^(−1))(BW,body weight)to attain diabetes and then were treated with different concentrations of SIM(120,240 and 480 mg(kg BW)^(−1))for four *** treatment,significant decrease in gluconeogenesis were determined,accompanied by a notable increase in both glycolysis and oxidative enzyme activities in SIM-treated groups,such as liver marker enzymes in the serum and key antioxidant enzymes in *** results revealed the transcriptional alterations in SIM-treated *** exposure increased the expression levels of several genes related to insulin transduction and PI3K/Akt pathway,including PI3K,Akt,Irs-2,and ***,expression levels of Dicarbonyl/l-xylulose reductase(Dcxr)and UDP-glucose dehydrogenase(Ugdh),which are in-volved in pentose-glucuronate interconversion pathway,were also elevated in SIM-treated ***,histological observation results indicated that nuclear deformation and organelle dissolution were improved,thus could enhance the liver *** results demonstrated that SIM can be effective in ameliorating diabetic symptoms and improving disease management for diabetic patients.

关键词： diabetic hepatopathy sepia ink melanin PI3K/Akt pathway pentose-glucuronate interconversion pathway

Growth of Diamond Films by Microwave Plasma Chemical Vapor Deposition

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Chinese Physics Letters 1991年第7期8卷 348-351页

作者： GAO Kelin wang chunlin ZHAN Rujuan PENG Dingkun MENG Giangyao XIANG Zhilin Wuhan Institute of Physics’Academia Sinica Wuhan 430071 Department of Modern Physics University of Science and Technology of ChinaHefei 230026 Department of Material Science and Engineering University of Science and Technology of ChinaHefei 230026

Diamond thin films were produced by microwave plasma chemical vapor *** deposit is identified by X-ray diffraction,Raman spectroscopy and Scanning electron *** the course of diamond growth,the characteristics of the p... 详细信息

关键词： deposition Diamond microwave

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Neural Regeneration Research 2012年第17期7卷 1318-1324页

作者： Shaonian Xu Jiachuan Liu Yongming Zhang chunlin wang Jinbiao wang Yanyan Yang Jian Huo Wenjiang Sun Department of Neurosurgery the 105 Hospital of Chinese PLAHefei 230031Anhui ProvinceChina

We treated detonator-explosion-induced craniocerebral injury in rabbits with hyperbaric oxygen 1 24 hours post-injury. Expression of the apoptosis-regulating protein cytochrome c, the pro-apoptotic protein Bax and the apoptosis marker caspase-3 in the tissues surrounding the area of injury was significantly reduced, while that of the anti-apoptotic protein Bcl-2 was significantly increased. Our findings indicate that the curative effects of early hyperbaric oxygen on cortical cell apoptosis is associated with suppression of cytochrome c release from mitochondria. This mechanism underlies the observed reduction in Bax expression and upregulation of Bcl-2 expression.

关键词： hyperbaric oxygen craniocerebral injury caspase-3 cytochrome c Bax Bcl-2 neural regeneration

Analysis of Key Physiological Characteristics of Portunus trituberculatus in Response to Short-Term Low Salinity Stress

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Journal of Ocean University of China 2023年第3期22卷 746-754页

作者： ZHANG Xinni LIU Qi wang Jiali GAO Gao NIU Mingming CHEN Lizhi wang Huan wang Fangfang wang chunlin MU Changkao School of Marine Science Ningbo UniversityNingbo 315211China Sanmen Agricultural and Rural Bureau Taizhou 317100China Key Laboratory of Applied Marine Biotechnology Ministry of EducationNingbo UniversityNingbo 315211China

Salinity is a significant environmental factor that can affect the survival,metamorphosis,growth and feeding of Portunus *** order to analyze the key physiological characteristics of *** in response to short-term low salinity stress,the experiments of gradually decline and recovery as well as abrupt decline in salinity were carried *** results showed that *** could survive in a certain low salinity range in the short term,and salinity 12 was the lowest tolerable salinity under the present experimental *** change of the hemolymph osmotic pressure displayed significant positive correlations with water salinity,and the pressure was always higher than seawater osmotic ***-term low salinity stress changed the structure and morphology of gill *** expansion of gill filament ends and epithelial cell shedding were conducive to osmotic *** activities of key ion transport enzymes such as Na^(+)-K^(+)-ATPase,carbonic anhydrase and V-ATPase also changed with the osmotic regulation,while Na^(+)-K^(+)-ATPase played a dominant *** summary,as an osmotic adjustment species,*** rapidly adapt to the short-term low-salinity environment by osmotic adjustment in vivo,but salinity below salinity 12 is not conducive to its *** result enriched the theoretical mechanism of osmotic regulation of ***,providing reference for the development of aquaculture technology of ***.

关键词： Portunus trituberculatus gradual/abrupt decline in salinity gill osmotic pressure ion transport enzymes

Microbial-driven ectopic uranium extraction with net electrical energy production

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Frontiers of Environmental Science & Engineering 2024年第1期18卷 49-58页

作者： Xin Tang Yin Ye chunlin wang Bingqian wang Zemin Qin Cui Li Yanlong Chen Yuheng wang Zhiling Li Miao Lv Aijie wang Fan Chen School of Ecology and Environment Northwestern Polytechnical UniversityXi’an 710129China School of Materials Science and Engineering Xi’an University of Architecture and TechnologyXi’an 710055China State Key Laboratory of Urban Water Resource and Environment School of EnvironmentHarbin Institute of TechnologyHarbin 150090China Faculty of Geosciences and Environmental Engineering Southwest Jiaotong UniversityChengdu 611756China

The extraction of uranium (U) from U-bearing wastewater is of paramount importance for mitigating negative environmental impacts and recovering U resources. Microbial reduction of soluble hexavalent uranium (U(VI)) to insoluble tetravalent uranium (U(IV)) holds immense potential for this purpose, but its practical application has been impeded by the challenges associated with managing U-bacterial mixtures and the biotoxicity of U. To address these challenges, we present a novel spontaneous microbial electrochemical (SMEC) method that spatially decoupled the microbial oxidation reaction and the U(VI) reduction reaction. Our results demonstrated stable and efficient U extraction with net electrical energy production, which was achieved with both synthetic and real wastewater. U(VI) removal occurred via diffusion-controlled U(VI)-to-U(IV) reduction-precipitation at the cathode, and the UIVO_(2) deposited on the surface of the cathode contributed to the stability and durability of the abiotic U(VI) reduction. Metagenomic sequencing revealed the formation of efficient electroactive communities on the anodic biofilm and enrichment of the key functional genes and metabolic pathways involved in electron transfer, energy metabolism, the TCA cycle, and acetate metabolism, which indicated the ectopic reduction of U(VI) at the cathode. Our study represents a significant advancement in the cost-effective recovery of U from U(VI)-bearing wastewater and may open a new avenue for sustainable uranium extraction.

关键词： U(VI)bioreduction Electricity production Reaction decoupling Uranium-bearing wastewater Biofilm microbiome

Flow cytometric analysis of DNA content for four commercially important crabs in China

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Acta Oceanologica Sinica 2016年第6期35卷 7-11页

作者： LIU Lei CUI Zhaoxia SONG Chengwen LIU Yuan HUI Min wang chunlin School of Marine Sciences Ningbo University Institute of Oceanology Chinese Academy of Sciences

The genome size（C-value） of an organism is referring to the DNA content of its non-replicated haploid chromosome complement,generally deduced from measuring somatic diploid *** presented genome size（C-value） data obtained by flow cytometry for four commercially important crabs（Portunus trituberculatus,Charybdis japonica,Scylla paramamosain,and Eriocheir sinensis） common in the coast of *** domesticus（2C=2.5 pg） was used as the internal *** results showed that the C-value for ***,***,***,and *** were（2.31±0.01） pg,（2.33±0.03） pg,（1.64±0.02） pg,and（2.29±0.03） pg,*** C-value of ***,*** and *** were reported for the first *** data represented by the four species indicated that they had lower DNA contents than average DNA values in crustaceans（（4.99±0.48） pg）,and three of the four values were very similar if not *** results provide useful data for future studies in the fields of biodiversity,species conservation,and phylogeny of these commercial *** will also be helpful in instructing the hybridization breeding program and estimating the cost of the whole genome sequencing project.

关键词： genome size flow cytometry crabs Portunidae Grapsidae

Effect of Long-Term Low-Salinity Culture on the Survival, Growth, and Nutrient Composition of Mud Crab Scylla paramamosain

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Journal of Ocean University of China 2022年第1期21卷 179-185页

作者： JI Zilu LI Ronghua wang chunlin ZHANG Zhouyi ZHANG Weijia MU Changkao SONG Weiwei Key Laboratory of Applied Marine Biotechnology Ministry of EducationNingbo UniversityNingbo 315211China Collaborative Innovation Center for Zhejiang Marine High-Efficiency and Healthy Aquaculture Ningbo UniversityNingbo 315211China

This study investigated the effects of long-term low-salinity on the growth performance,proximate composition,amino acid and fatty acid profiles of Scylla *** salinity of the low-salinity-culture group(LC)and maintained-salinity-cul-ture group(MC)were set at 5 and 25 *** rearing for 30 d,the survival rate(SR)of the LC group was significantly lower,whereas the average daily molting frequency(ADMF)was significantly higher than those in MC group(P<0.05).There were no significant difference for weight gain rate(WGR)and specific growth rate(SGR)between the two *** moisture content of the LC group was slightly higher than the MC group without significant *** contents of ash,crude lipid and crude pro-tein in the LC group were lower than those in the MC group,but no significant differences were found except for ash content.A total of 17 free amino acids and 23 fatty acids were identified from the muscle of *** total amino acids(TAA),essen-tial amino acids(EAA)and essential amino acid index(EAAI)had no significant difference between the two *** crabs from LC group had a significantly higher HUFA,including EPA,DHA,*** percentage of n-3 PUFA and the ratio of n-3/n-6 PUFA were significantly higher in the LC *** results indicated that *** rearing at low salinity had significantly de-creased SR;however,the low-salinity environment significantly promoted the accumulation of unsaturated fatty acids(UFAs),espe-cially the n-3 PUFA,which might be related to the osmoregulation mechanism.

关键词： Scylla paramamosain low salinity survival growth nutrient composition

Using iTRAQ-Based Quantitative Proteomics Analysis to Identify Differentially Expressed Proteins Related to Larval Development of Portunus trituberculatus

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Journal of Ocean University of China 2021年第4期20卷 897-910页

作者： CHEN Xiayue MU Changkao LI Ronghua YE Yangfang SONG Weiwei SHI Ce LIU Lei wang Huan wang chunlin Collaborative Innovation Center for Zhejiang Marine High-Efficiency and Healthy Aquaculture Ningbo UniversityNingbo 315211China Key Laboratory of Applied Marine Biotechnology Ministry of EducationNingbo UniversityNingbo 315211China

The swimming crab Portunus trituberculatus is an economically important marine crustacean *** isobaric tags for relative and absolute quantitation(iTRAQ)analysis were used to identify proteins that are differentially expressed during larval development of *** to elucidate the underlying *** comparison with the first zoea stage(Z1),3980 proteins were identified from 32789 peptides,which were matched with 115497 spectrums.A total of 241 proteins were screened with significantly differential expressions in all development *** 241 proteins are involved in various biological processes,such as cytoskeleton organization,protein synthesis,energy production and substance metabolism,physiological activities,and *** analyses of the 241 differentially expressed proteins led to the generation of four protein clusters based on the overall similarity in protein expression *** 54,70,36,and 45 proteins clustered in profiles 10(0,0,0,−1,0,0),15(0,1,0,1,0,1),18(0,1,2,2,1,0),and 19(0,1,2,3,4,5),*** development and exoskeleton renewal were important processes throughout the development *** addition,protein synthesis,degradation,and digestion actively occurred,especially at the Z4 *** results provide novel insights into the mechanisms underlying larval development of swimming crab and can assist in larval rearing.

关键词： Portunus trituberculatus iTRAQ proteomics larval development