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Zunjing Xia, Jie Lin, Lingping Lu, Chol Kim, Ping Yu, Ming Qi
: Hemophilia A is a bleeding disorder caused by coagulation factor VIII protein deficiency or dysfunction, which is classified into severe, moderate, and mild according to factor clotting activity. An overwhelming majority of missense and nonsense mutations occur in exons of F8 gene, whereas mutations in introns can also be pathogenic. This study aimed to investigate the effect of an intronic mutation, c.6430-3C>G (IVS22-3C>G), on pre-mRNA splicing of the F8 gene. We applied DNA and cDNA sequencing in a Chinese boy with hemophilia A to search if any pathogenic mutation in the F8 gene...
April 12, 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
Feng Li, Zhixing Lu, Yann-Wen Lan, Liying Jiao, Minxuan Xu, Xiaoyang Zhu, Xiankun Zhang, Hualin Wu, Junjie Qi
In this work, the vertical electrical transport behavior of bilayer MoS2 under coupling of light and force was explored by the use of conductive atomic force microscopy. We found that the current-voltage behavior across the tip-MoS2-Pt junction is a tunneling current which can be well fitted by a Simmons approximation. The transport behavior is direct tunneling at low bias and Fowler-Nordheim tunneling at high bias, the transition voltage and the tunnel barrier height were extracted. The band gap of the junction was estimated which is present liner with corresponding transition voltage...
April 13, 2018: Nanotechnology
Weixiao Lu, Baoying Guo, Xiaoyan Wang, Kaida Xu, Pengzhi Qi
The receptor for activated C kinase 1 (RACK1) is a intracellular receptor for the protein kinase C family which mediates various biological processes. Here, a novel RACK1 gene termed Mc-RACK1 was identified from thick shell mussel, Mytilus coruscus. Mc-RACK1 shared typical RACK1 domains containing WD repeats, PKC phosphorylation sites, N-myristoylation sites, PKC activation sites, TK phosphorylation site and WD motifs. Mc-RACK1 was constitutively expressed in all examined tissues, and its expression in gills, haemocytes and digestive glands were significantly up-regulated upon LPS challenge...
April 9, 2018: Developmental and Comparative Immunology
Pu Lu, Richard Odongo Magwanga, Hejun Lu, Joy Nyangasi Kirungu, Yangyang Wei, Qi Dong, Xingxing Wang, Xiaoyan Cai, Zhongli Zhou, Kunbo Wang, Fang Liu
Plants have developed a number of survival strategies which are significant for enhancing their adaptation to various biotic and abiotic stress factors. At the transcriptome level, G-protein-coupled receptors (GPCRs) are of great significance, enabling the plants to detect a wide range of endogenous and exogenous signals which are employed by the plants in regulating various responses in development and adaptation. In this research work, we carried out genome-wide analysis of target of Myb1 ( TOM1 ), a member of the GPCR gene family...
April 12, 2018: Genes
Jun-Bo Lu, Xue-Lu Ma, Jia-Qi Wang, Jin-Cheng Liu, Hai Xiao, Jun Li
Model systems of the FeMo cofactor of nitrogenase have been explored extensively in catalysis to gain insights into their ability for nitrogen fixation that is of vital importance to the human society. Here we investigate the trigonal pyramidal borane-ligand Fe complex by first-principles calculations, and find that the variation of oxidation state of Fe along the reaction path correlates with that of the reverse-dative Fe→B bonding. The redox-flexibility of the reverse-dative Fe→B bonding helps to provide an electron reservoir that buffers and stabilizes the evolution of Fe oxidation state, which is essential for forming the key intermediates of N2 activation...
April 12, 2018: Journal of Physical Chemistry. A
H Liu, L Yue, S L Chen, B Hu, C D Li, X D Yi, H Li, H L Lu, Y Wang, Z R Yu, H L Sun, S J Wang, Y Zhao, L T Qi, R Wang
OBJECTIVE: To investigate the clinical effectiveness of polytheretherketone (PEEK) cages assisted anterior cervical discetomy and fusion (ACDF) to treat cervical spondylosis with sympathetic symptoms. METHODS: Retrospective analysis was undertaken for 39 patients who were diagnosed as cervical spondylosis with sympathetic symptoms and underwent ACDF with PEEK cages. Radiographs obtained before surgery, after surgery, and at the final follow-up were assessed for quality of fusion...
April 18, 2018: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Mei Sun, Ningze Xu, Chengyue Li, Dan Wu, Jiatong Zou, Ying Wang, Li Luo, Mingzhu Yu, Yu Zhang, Hua Wang, Peiwu Shi, Zheng Chen, Jian Wang, Yueliang Lu, Qi Li, Xinhua Wang, Zhenqiang Bi, Ming Fan, Liping Fu, Jingjin Yu, Mo Hao
BACKGROUND: Public health emergencies have challenged the public health emergency management systems (PHEMSs) of many countries critically and frequently since this century. As the world's most populated country and the second biggest economy in the world, China used to have a fragile PHEMS; however, the government took forceful actions to build PHEMS after the 2003 SARS outbreak. After more than one decade's efforts, we tried to assess the improvements and problems of China's PHEMS between 2002 and 2012...
April 11, 2018: BMC Public Health
Qing Lu, Qi Zhao, Tianye Yang, Chengbo Zhai, Dongxue Wang, Mingzhe Zhang
In this work, oxygen-doped boron nitride nanoparticles with room-temperature ferromagnetism have been synthesized by a new, facile, and efficient method. There are no metal magnetic impurities in the nanoparticles analyzed by X-ray photoelectron spectroscopy. The boron nitride nanoparticles exhibit a parabolic shape with increase in the reaction time. The saturation magnetization value reaches a maximum of 0.2975 emu g-1 at 300 K when the reaction time is 12 h, indicating that the Curie temperature ( TC ) is higher than 300 K...
April 9, 2018: ACS Applied Materials & Interfaces
Wenbo Hu, Meng Xie, Hui Zhao, Yufu Tang, Song Yao, Tingchao He, Chuanxiang Ye, Qi Wang, Xiaomei Lu, Wei Huang, Quli Fan
Elevated nitric oxide (NO) levels perform an important pathological role in various inflammatory diseases. Developing NO-activatable theranostic materials with a two-photon excitation (TPE) feature is highly promising for precision imaging and therapy, but constructing such materials is still a tremendous challenge. Here, we present the first example of a NO-activatable fluorescent photosensitizer ( DBB-NO ) accompanying extremely NO-elevated two-photon absorption (TPA) for efficient fluorescence imaging and photodynamic therapy (PDT)...
January 28, 2018: Chemical Science
Xin Yu, Shuang Sun, Yuyan Guo, Yan Liu, Dayu Yang, Guoyu Li, Shaowa Lü
ETHNOPHARMACOLOGICAL RELEVANCE: Citri Reticulatae Pericarpium (Rutaceae, CRP), commonly called as Chenpi () in Chinese, is most frequently used as a qi-regulating drug in thousands of Chinese medicine prescriptions. CRP is found mainly in major citrus-producing areas such as the Guangdong, Guangxi, Sichuan, Fujian, and Zhejiang Provinces of China. Since thousands of years in China, CRP has been used widely in clinical practice to treat nausea, vomiting, indigestion, anepithymia, diarrhea, cough, expectoration, and so on...
April 5, 2018: Journal of Ethnopharmacology
Jiyong Gu, Weiwei Lei, Zong Xin, Yi Wu, Lin Peng, Zhibin Li, Zize Feng, Minchan Zhao, Songtao Qi, Yuntao Lu
OBJECTIVE: Fixation with the axis vertebra (C2) using pedicle screws is commonly used to treat an unstable occipitocervical junction; however, it is accompanied by a risk of vertebral artery injury. The occiput-C2 (OC2) crossing translaminar screw fixation technique may avoid this risk, but rod implantation is difficult. Offset connectors can help facilitate this construct. This study aimed to evaluate the stability of a technique for OC2 crossing translaminar screw fixation using offset connectors (C2LAM + OF) in comparison with other methods...
April 3, 2018: Clinical Neurology and Neurosurgery
Qi Chen, Xueyan Lu, Xiaorui Guo, Yajie Pan, Bofan Yu, Zhonghua Tang, Qingxi Guo
Cd(II) is one of the most widespread and toxic heavy metals and seriously threatens plant growth, furthermore negatively affecting human health. For survival from this metal stress, plants always fight with Cd(II) toxicity by themselves or using other external factors. The effects of second metals copper (Cu(II)), zinc (Zn(II)) and calcium (Ca(II)) on the Cd(II)-affected root morphology, Cd(II) translocation and metabolic responses in Catharanthus roseus were investigated under hydroponic conditions. We found that the Cd-stressed plants displayed the browning and rot root symptom, excess H2 O2 content, lipid peroxidation and Cd(II) accumulation in plants...
April 4, 2018: Ecotoxicology and Environmental Safety
Qing Yu, Melissa Morales, Ning Li, Alexander G Fritz, Ren Ruobing, Anthony Blaeser, Ershia Francois, Qi-Long Lu, Kanneboyina Nagaraju, Christopher F Spurney
BACKGROUND: Fukutin-related protein (FKRP) mutations are the most common cause of dystroglycanopathies known to cause both limb girdle and congenital muscular dystrophy. The P448Lneo- mouse model has a knock-in mutation in the FKRP gene and develops skeletal, respiratory, and cardiac muscle disease. METHODS: We studied the natural history of the P448Lneo- mouse model over 9 months and the effects of twice weekly treadmill running. Forelimb and hindlimb grip strength (Columbus Instruments) and overall activity (Omnitech Electronics) assessed skeletal muscle function...
April 6, 2018: Skeletal Muscle
Qi Lu, Tushar H Ganjawala, Samer Hattar, Gary W Abrams, Zhuo-Hua Pan
Purpose: To develop an animal behavioral assay for the quantitative assessment of the functional efficacy of optogenetic therapies. Methods: A triple-knockout (TKO) mouse line, Gnat1-/-Cnga3-/-Opn4-/-, and a double-knockout mouse line, Gnat1-/-Cnga3-/-, were employed. The expression of channelrhodopsin-2 (ChR2) and its three more light-sensitive mutants, ChR2-L132C, ChR2-L132C/T159C, and ChR2-132C/T159S, in inner retinal neurons was achieved using rAAV2 vectors via intravitreal delivery...
March 1, 2018: Investigative Ophthalmology & Visual Science
Zhang Peng, Du Hong-Bo, Tong Guang-Dong, Li Xiao-Ke, Sun Xue-Hua, Chi Xiao-Ling, Xing Yu-Feng, Zhou Zhen-Hua, Li Qin, Chen Bin, Wang Hui, Wang Li, Jin Hua, Mao De-Wen, Wang Xian-Bo, Wu Qi-Kai, Li Fen-Ping, Hu Xiao-Yu, Lu Bing-Jiu, Yang Zhi-Yun, Zhang Ming-Xiang, Shi Wei-Bing, He Qing, Li Yong, Jiang Kai-Ping, Xue Jing-Dong, Li Xiao-Dong, Jiang Jun-Min, Lu Wei, Tian Guang-Jun, Hu Zhen-Bin, Guo Jian-Chun, Li Cheng-Zhong, Deng Xin, Luo Xin-la, Li Feng-Yi, Zhang Xin-Wei, Zheng Ying-Jun, Zhao Gang, Wang Li-Chun, Wu Jian-Hua, Guo Hui, Mi Yu-Qiang, Gong Zuo-Jiong, Wang Cheng-Bao, Jiang Feng, Guo Peng, Yang Xian-Zhao, Shi Wei-Qun, Yang Hong-Zhi, Zhou Yong, Sun Ning-Ning, Jiao Yun-Tao, Gao Yue-Qiu, Zhou Da-Qiao, Ye Yong-An
The kinetics of serum hepatitis B surface antigen (HBsAg) during the natural history of hepatitis B virus (HBV) infection has been studied, but the factors affecting them remain unclear. AIMS: We aimed to investigate the factors affecting HBsAg titers, using data from multi-center, large-sized clinical trials in China. The baseline data of 1,795 patients in three multi-center trials were studied, and the patients were classified into three groups: hepatitis B early antigen (HBeAg)-positive chronic HBV infection (n=588), HBeAg-positive chronic hepatitis B (n=596), and HBeAg-negative chronic hepatitis B (n=611)...
April 6, 2018: Journal of Viral Hepatitis
Junnan Wang, Wei Sun, George A Wells, Zhibo Li, Tianyi Li, Junduo Wu, Yangyu Zhang, Yingyu Liu, Longbo Li, Yunpeng Yu, Yihang Liu, Chao Qi, Yang Lu, Ning Liu, Youyou Yan, Lulu Liu, Gang Hui, Bin Liu
BACKGROUND: Hypertension is a significant global public health problem and recognized as an important risk factor for cardiovascular diseases. This study was designed to assess the current prevalence of hypertension and to explore risk factors associated with hypertension by urban and rural status to guide the prevention and control of hypertension in Jilin province. METHODS: A multi-stage stratified random cluster sampling method was used to obtain data on hypertension, which was investigated by physical examination and face-to-face questionnaire in July 2014-December 2015...
2018: PloS One
Chuanyuan Wei, Nanhang Lu, Lu Wang, Yong Zhang, Zihao Feng, Yanwen Yang, Fazhi Qi, Jianying Gu
Melanoma is the most aggressive cutaneous cancer due to its propensity to metastasise and proliferate. Melanoma accounts for 80‑90% of skin‑cancer related deaths worldwide. Alhough numerous published studies have attempted to define the markers of diagnosis and prognosis of melanoma, a sensitive and specific biomarker for melanoma remains unknown. Recently, ubiquitin‑like with PHD and ring finger domains 1 (UHRF1) has attracted attention due to its role in cell proliferation and it has been deemed as a potential therapeutic target for cancer...
April 4, 2018: Oncology Reports
Shuo Yu, Cui Mao, Jinyi Yu, Xin Qi, Jing Wang, Hong Lu
The present study was conducted to investigate the key genes and the inflammatory signaling pathways involved in HLA-B27-associated acute anterior uveitis (AAU) families. Four families with HLA-B27‑positive aau patients and their HLA-B27-positive blood relatives were included in the study. peripheral blood monocytes were isolated from the subjects and stimulated by lipopolysaccharides (LPS). Gene expression microarrays were used to identify the differentially expressed genes (DEGs), and the DEGs were analyzed by a range of bioinformatics-based techniques, including Gene Ontology (GO), Pathway analysis, Signal-Net analysis and Gene Relation Network (Gene-Rel-Net)...
March 29, 2018: International Journal of Molecular Medicine
Lu Tan, Liangliang Huang, Yingchun Liu, Qi Wang
Lateral adsorbate interactions have been acknowledged to play an important role in heterogeneous catalytic kinetics. To quantify such energies efficiently and accurately, a lattice-gas-based augmented pairwise additive interaction model was proposed. The model Hamiltonian is defined as the summation over all isolated binding energies and all pairwise interactions, with the pairwise interaction used for each adsorbate pair consisting of the corresponding isolated pairwise interaction and some needed modification terms if the surroundings meet specific conditions...
April 5, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
Zhen Yang, Juanli Duan, Jianlin Wang, Qi Liu, Runze Shang, Xisheng Yang, Peng Lu, Congcong Xia, Lin Wang, Kefeng Dou
Introduction: A safe and effective in vivo siRNA delivery system is a prerequisite for liver tumor treatment based on siRNA cancer therapeutics. Nanoparticles based on superparamagnetic iron oxide (SPIO) provide a promising delivery system. In this study, we aimed to explore a novel nanoparticle, which is composed of SPIO. Materials and methods: The particles have a core of iron oxide that is modified by galactose (Gal) and polyethylenimine (PEI), which act as shells, providing targeted delivery of therapeutic siRNA to the liver cancer...
2018: International Journal of Nanomedicine
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