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https://www.readbyqxmd.com/read/29279392/coordinating-carbon-and-nitrogen-metabolic-signaling-through-the-cyanobacterial-global-repressor-ndhr
#1
Yong-Liang Jiang, Xue-Ping Wang, Hui Sun, Shu-Jing Han, Wei-Fang Li, Ning Cui, Gui-Ming Lin, Ju-Yuan Zhang, Wang Cheng, Dong-Dong Cao, Zhi-Yong Zhang, Cheng-Cai Zhang, Yuxing Chen, Cong-Zhao Zhou
The coordination of carbon and nitrogen metabolism is essential for bacteria to adapt to nutritional variations in the environment, but the underlying mechanism remains poorly understood. In autotrophic cyanobacteria, high CO2 levels favor the carboxylase activity of ribulose 1,5 bisphosphate carboxylase/oxygenase (RuBisCO) to produce 3-phosphoglycerate, whereas low CO2 levels promote the oxygenase activity of RuBisCO, leading to 2-phosphoglycolate (2-PG) production. Thus, the 2-PG level is reversely correlated with that of 2-oxoglutarate (2-OG), which accumulates under a high carbon/nitrogen ratio and acts as a nitrogen-starvation signal...
December 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29245267/refracture-of-osteoporotic-vertebral-body-after-treatment-by-balloon-kyphoplasty-three-cases-report
#2
REVIEW
Xigong Li, Yang Lu, Xiangjin Lin
RATIONALE: Balloon kyphoplasty is a widely accepted treatment of osteoporotic vertebral compression fractures (OVCFs) with good results and a low risk for complications. A refracture of previously treated vertebra is a relatively rare condition. PATIENT CONCERNS: We reported our 3 cases and reviewed all relevant literatures of 11 cases with refracture of osteoporotic vertebral body after kyphoplasty. DIAGNOSES: Follow-up radiographs or magnetic resonance imaging examination confirmed refractures of previously treated vertebrae after kyphoplasty...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29245030/osmotin-a-plant-defense-tool-against-biotic-and-abiotic-stresses
#3
REVIEW
Hakim, Abid Ullah, Amjad Hussain, Muhammad Shaban, Aamir Hamid Khan, Muna Alariqi, Summia Gul, Zhang Jun, Sun Lin, Jianying Li, Shuangxia Jin, Muhammad Farooq Hussain Munis
Plants are prone to a number of pathogens and abiotic stresses that cause various disorders. However, plants possess a defense mechanism to cope with these stresses. The osmotin protein belongs to the PR-5 family of Pathogenesis-related (PR) proteins, which are produced in response to diseases caused by various biotic and abiotic stresses. Osmotin uses a signal transduction pathway to inhibit the activity of defensive cell wall barriers and increases its own cytotoxic efficiency. However, in response to cytotoxic effects, this pathway stimulates a mitogen-activated protein kinase (MAPK) cascade that triggers changes in the cell wall and enables osmotin's entrance into the plasma membrane...
December 7, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29241927/prenatal-diagnosis-of-a-1-6-mb-4p16-3-interstitial-microdeletion-encompassing-fgfrl1-and-tacc3-associated-with-bilateral-cleft-lip-and-palate-of-wolf-hirschhorn-syndrome-facial-dysmorphism-and-short-long-bones
#4
Chih-Ping Chen, Chen-Yu Chen, Schu-Rern Chern, Peih-Shan Wu, Shin-Wen Chen, Shih-Ting Lai, Tzu-Yun Chuang, Chien-Wen Yang, Li-Feng Chen, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis of a 4p16.3 interstitial microdeletion associated with bilateral cleft lip and palate and short long bones on prenatal ultrasound, and we discuss the genotype-phenotype correlation. MATERIALS AND METHODS: A 32-year-old woman underwent amniocentesis at 22 weeks of gestation because of bilateral cleft lip and palate and short limbs on prenatal ultrasound. Conventional cytogenetic analysis was performed on cultured amniocytes and parental bloods...
December 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29239924/a-novel-method-to-calculate-the-volume-of-alveolar-cleft-defect-before-surgery
#5
Guo C Chen, Min Sun, Ning B Yin, Hai D Li
BACKGROUND: This study aimed to evaluate a novel subtractive method for the precise calculation of alveolar cleft defect volume before surgery using the three-dimensional imaging software Mimics. METHODS: Ten patients (3 female, 7 male, age range 8-12 years) with unilateral alveolar cleft were enrolled in the study. Preoperative helical computed tomography scans were performed for all patients. A new subtractive method was introduced to precisely calculate the alveolar cleft defect volume before surgery with the aid of Mimics...
December 12, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29233047/rnai-of-grp78-may-disturb-the-fusion-of-icr-mouse-palate-cultured-in-vitro
#6
C Ren, X Li, X Li, Y Xie, H Fu, Z Yan, Y Zhu
RNA interference (RNAi) is a powerful tool to silence or minimize gene expression, and palate culture in vitro is an important technique for study of the palate development. Our previous study demonstrated that the gene expression of glucose-regulated protein-78 (Grp78) was downregulation in the all-trans retinoic acid-induced mouse models of cleft palate (CP) during embryogenesis. To find the role of Grp78, the small interfering RNA (siRNA) of this gene carried by fluorescent vector was injected with a microinjector, through which about 30 pmol siRNA was injected into the Institute of Cancer Research (ICR) mouse palate explants...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/29227957/synergistic-cytotoxicity-and-mechanism-of-caffeine-and-lysozyme-on-hepatoma-cell-line-hepg2
#7
Hongchao Yang, Jingjuan Li, Lin Cui, Yanqing Ren, Liying Niu, Xinguo Wang, Yun Huang, Lijian Cui
The influences of caffeine, lysozyme and the joint application of them on the hepatoma cell line HepG2 proliferation inhibition and cell apoptosis were observed by 3-(4, 5-dimethyl-2-thiazyl)-2, 5-diphenyl-2H-tetrazolium bromide assay and Hoechst 33342, which showed the proliferation inhibition rate of the joint application on HepG2 cells was 47.21%, significantly higher than caffeine or lysozyme, and the joint application promoted the apoptosis of HepG2 cells obviously. Van't Hoff classical thermodynamics formula, the Föster theory of non-radiation energy transfer and fluorescence phase diagram were used to manifest that the process of lysozyme binding to caffeine followed a two-state model, which was spontaneous at low temperature driven by enthalpy change, and the predominant intermolecular force was hydrogen bonding or Van der Waals force to stabilize caffeine-lysozyme complex with the distance 5...
December 6, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29211711/kat2a-coupled-with-the-%C3%AE-kgdh-complex-acts-as-a-histone-h3-succinyltransferase
#8
Yugang Wang, Yusong R Guo, Ke Liu, Zheng Yin, Rui Liu, Yan Xia, Lin Tan, Peiying Yang, Jong-Ho Lee, Xin-Jian Li, David Hawke, Yanhua Zheng, Xu Qian, Jianxin Lyu, Jie He, Dongming Xing, Yizhi Jane Tao, Zhimin Lu
Histone modifications, such as the frequently occurring lysine succinylation, are central to the regulation of chromatin-based processes. However, the mechanism and functional consequences of histone succinylation are unknown. Here we show that the α-ketoglutarate dehydrogenase (α-KGDH) complex is localized in the nucleus in human cell lines and binds to lysine acetyltransferase 2A (KAT2A, also known as GCN5) in the promoter regions of genes. We show that succinyl-coenzyme A (succinyl-CoA) binds to KAT2A...
December 14, 2017: Nature
https://www.readbyqxmd.com/read/29207917/functional-effects-of-snps-in-myh9-and-risks-of-nonsyndromic-orofacial-clefts
#9
Y Wang, D Li, Y Xu, L Ma, Y Lu, Z Wang, L Wang, W Zhang, Y Pan
Nonsyndromic orofacial clefts (NSOCs) are congenital newborn malformations. Myosin heavy chain 9 ( MYH9) is a candidate gene of NSOCs. To investigate the associations between single-nucleotide polymorphisms (SNPs) of MYH9 and NSOC susceptibility, a 2-stage case-control study was designed and 4 potentially functional SNPs of MYH9 (rs12107, rs2269529, rs9619601, rs5756130) were selected and genotyped by iPLEX Sequenom MassARRAY and TaqMan assay in the first stage (599 NSOC cases and 590 controls). The significant SNPs in the first stage were replicated in the second stage (676 NSOC cases and 705 controls) by TaqMan assay...
December 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/29198724/monoallelic-bmp2-variants-predicted-to-result-in-haploinsufficiency-cause-craniofacial-skeletal-and-cardiac-features-overlapping-those-of-20p12-deletions
#10
Tiong Yang Tan, Claudia Gonzaga-Jauregui, Elizabeth J Bhoj, Kevin A Strauss, Karlla Brigatti, Erik Puffenberger, Dong Li, LiQin Xie, Nanditha Das, Ioanna Skubas, Ron A Deckelbaum, Virginia Hughes, Susannah Brydges, Sarah Hatsell, Chia-Jen Siao, Melissa G Dominguez, Aris Economides, John D Overton, Valerie Mayne, Peter J Simm, Bryn O Jones, Stefanie Eggers, Gwenaël Le Guyader, Fanny Pelluard, Tobias B Haack, Marc Sturm, Angelika Riess, Stephan Waldmueller, Michael Hofbeck, Katharina Steindl, Pascal Joset, Anita Rauch, Hakon Hakonarson, Naomi L Baker, Peter G Farlie
Bone morphogenetic protein 2 (BMP2) in chromosomal region 20p12 belongs to a gene superfamily encoding TGF-β-signaling proteins involved in bone and cartilage biology. Monoallelic deletions of 20p12 are variably associated with cleft palate, short stature, and developmental delay. Here, we report a cranioskeletal phenotype due to monoallelic truncating and frameshift BMP2 variants and deletions in 12 individuals from eight unrelated families that share features of short stature, a recognizable craniofacial gestalt, skeletal anomalies, and congenital heart disease...
December 7, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29182104/steered-molecular-dynamics-for-studying-ligand-unbinding-of-ecdysone-receptor
#11
Xueping Hu, Song Hu, Jiazhe Wang, Yawen Dong, Li Zhang, Yanhong Dong
Ecdysone receptor (EcR) is an important target for pesticide design. Ligand binding regulates EcR transcriptional activity similar to other nuclear receptors; however, the pathways by which ligands enter and leave the EcR remain poorly understood. Here, we performed computational studies to identify unbinding pathways of an ecdysone agonist [the selective ecdysone agonist, BYI06830] from the EcR ligand binding domain (EcR LBD). BYI06830 can dissociate from EcR LBD via four different pathways with little effect on receptor structure...
November 28, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/29149498/association-between-a-single-nucleotide-polymorphism-in-the-grem1-gene-and-nonsyndromic-orofacial-cleft-in-the-chinese-population
#12
Xiaotong Wang, Hongquan Song, Xiaohui Jiao, Yanru Hao, Wei Zhang, Yuwei Gao, Yong Li, Na Mi, Jiaqun Yan
BACKGROUND: Nonsyndromic orofacial cleft (NSOC) is a common craniofacial deformity among newborns. The GREM1 gene is correlated with orofacial development. The aim of our study was to investigate the association between a single-nucleotide polymorphism in the GREM1 gene and this malformation in the Chinese population. METHODS: The SNaPshot mini sequencing technique was used to genotype the locus rs1258763 of the GREM1 gene in 331 patients with NSOC and 271 individuals in a control group...
November 17, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29137155/identification-expression-and-functional-analysis-of-the-fructokinase-gene-family-in-cassava
#13
Yuan Yao, Meng-Ting Geng, Xiao-Hui Wu, Chong Sun, Yun-Lin Wang, Xia Chen, Lu Shang, Xiao-Hua Lu, Zhan Li, Rui-Mei Li, Shao-Ping Fu, Rui-Jun Duan, Jiao Liu, Xin-Wen Hu, Jian-Chun Guo
Fructokinase (FRK) proteins play important roles in catalyzing fructose phosphorylation and participate in the carbohydrate metabolism of storage organs in plants. To investigate the roles of FRKs in cassava tuber root development, seven FRK genes (MeFRK1-7) were identified, and MeFRK1-6 were isolated. Phylogenetic analysis revealed that the MeFRK family genes can be divided into α (MeFRK1, 2, 6, 7) and β (MeFRK3, 4, 5) groups. All the MeFRK proteins have typical conserved regions and substrate binding residues similar to those of the FRKs...
November 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29130604/expanding-the-phenotypic-spectrum-of-tp63-related-disorders-including-the-first-set-of-monozygotic-twins
#14
Tara Wenger, Dong Li, Margaret H Harr, Wen-Hann Tan, Renata Pellegrino, Zornitza Stark, Hakon Hakonarson, Elizabeth J Bhoj
Individuals with Tumor Protein P63 (TP63)-related disorders are known to present with a range of phenotypic features, including ectrodactyly, ectodermal dysplasia, cleft lip/palate, Rapp-Hodgkin, Hay-Wells, and limb-mammary syndromes. We present six individuals from three families, including a set of monozygotic twins, with pathogenic TP63 variants who had novel clinical findings. The twins were discordant for cleft lip and palate, and the type of hand malformations, but concordant for choanal atresia, and bilateral volar nail...
November 12, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29125959/proximity-labeling-spatially-resolved-proteomic-mapping-for-neurobiology
#15
REVIEW
Shuo Han, Jiefu Li, Alice Y Ting
Understanding signaling pathways in neuroscience requires high-resolution maps of the underlying protein networks. Proximity-dependent biotinylation with engineered enzymes, in combination with mass spectrometry-based quantitative proteomics, has emerged as a powerful method to dissect molecular interactions and the localizations of endogenous proteins. Recent applications to neuroscience have provided insights into the composition of sub-synaptic structures, including the synaptic cleft and inhibitory post-synaptic density...
November 7, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/29103386/pituitary-adenoma-associated-with-rathke-s-cleft-cyst-report-of-15-cases
#16
Wenhao Wu, Guijun Jia, Wang Jia, Guilin Li, Junting Zhang, Liwei Zhang
OBJECTIVE: The concomitant presence of pituitary adenoma (PA) with Rathke's cleft cyst (RCC) is rare, and most of the literature published is case reports. RCC's clinicopathological features have not been well described. METHODS: We retrospectively reviewed the data of 15 patients with PA associated with RCC. We also provide a systematic review of the literature. RESULTS: The patients included males and seven females. The transsphenoidal approach was adopted for all patients except one, who underwent right frontal craniotomy...
November 6, 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/29098246/-clinical-effect-of-modified-alveolar-cleft-repair-with-bone-grafting
#17
Ye Wu, Fu-Ping Xie, Huan-Huan Liu, Niu Gang, Jia-Min Chen, Li-Song Lin
PURPOSE: To evaluate the clinical effect of improved alveolar cleft repair with bone grafting. METHODS: Forty one cases with alveolar cleft treated by modified operation between 2008-2016 were included. The modified techniques were as follow: incision design, preparation of bone graft bed, bone removal and bone grafting, etc. The therapeutic effect was analyzed. RESULTS: The successful rate was 92.8%. After 6-12 months of follow-up, bone graft survived well with no obvious complications...
June 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29081343/lncrna-h19-and-target-gene-mediated-cleft-palate-induced-by-tcdd
#18
Li Yun Gao, Feng Quan Zhang, Wei Hui Zhao, Guang Liang Han, Xiao Wang, Qiang Li, Shan Shan Gao, Wei Dong Wu
This study investigated the role of long non-coding RNAs (lncRNAs) in the development of the palatal tissues. Cleft palates in mice were induced by 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). Expression levels of long non-coding RNA H19 (lncRNA H19) and insulin-like growth factor 2 (IGF2) gene were measured by quantitative real-time polymerase chain reaction (qRT-PCR). The rate of occurrence of cleft palate was found to be 100% by TCDD exposure, and TCDD could cause short upper limb, cerebral fissure, webbed neck, and short neck...
September 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/29069357/annuloplasty-band-implantation-in-adults-with-partial-atrioventricular-septal-defect-a-propensity-matched-study
#19
Tianyu Zhou, Jun Li, Hao Lai, Kai Zhu, Yongxin Sun, Yongshi Wang, Wenjun Ding, Tao Hong, Chunsheng Wang
OBJECTIVES: The incidence of recurrent left atrioventricular valve (LAVV) regurgitation is generally high after repair of partial atrioventricular septal defect (AVSD). This study aimed to evaluate the effect of implanting an additional annuloplasty band into the LAVV during partial AVSD repair and to assess the late outcomes of recurrent LAVV regurgitation. METHODS: This study enrolled 133 patients who underwent repair of partial AVSD at our institution from January 2005 to December 2015...
October 24, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29065046/cell-polarity-and-par-complex-likely-to-be-involved-in-dexamethasone-induced-cleft-palate
#20
Li Ma, Bing Shi, Qian Zheng
Accumulating studies demonstrated that PAR complex contributed to the establishment and maintenance of cell polarity which was fundamental to many aspects of cell and developmental biology. The purpose of this study was to investigate whether dexamethasone (DEX) could downregulate the PAR complex and disrupt cell polarity in palatal epithelium during palatal fusion in mice. The C57BL/6J mice were selected for the experiment. Pregnant mice in control group and DEX-treated group were injected intraperitoneally with 0...
October 23, 2017: Journal of Craniofacial Surgery
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