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Bioscience Reports

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https://www.readbyqxmd.com/read/28931727/co-culture-of-allogenic-dbm-and-bmscs-in-the-knee-joint-cavity-of-rabbits-for-cartilage-tissue-engineering
#1
Bin Xu, Rui Wang, Hao Wang, Hong-Gang Xu
This study aims to assess co-culture of allogenic decalcified bone matrix (DBM) and bone marrow mesenchymal stem cells (BMSCs) in the knee joint cavity of rabbits for cartilage tissue engineering. Rabbits were assigned to an in-vitro group, an in-vivo group and a blank control group. At the 4(th), 8(th) and 12(th) week, samples from all groups were collected for hematoxylin-eosin (HE) staining and streptavidin-perosidase (SP) method. The morphological analysis software was used to calculate the average absorbance value (A value)...
September 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28931726/impaired-insulin-igf-1-is-responsible-for-diabetic-gastroparesis-by-damaging-myenteric-cholinergic-neurons-and-interstitial-cells-of-cajal
#2
Shu Yang, Bo Wu, Haimei Sun, Tingyi Sun, Kai Han, Dandan Li, Fengqing Ji, Guoquan Zhang, Deshan Zhou
Diabetic gastroparesis is a common complication of diabetes mellitus (DM) that is characterized by decreased serum insulin and insulin-like growth factor-1 (IGF-1). Despite the fact that insulin treatment but not glycemic control potently accelerated gastric emptying in type 1 DM patients, the role of insulin/InsR and IGF-1/IGF-1R signaling in diabetic gastroparesis remains incompletely elucidated. In this study, type 1 DM mice were established and treated with insulin or Voglibose for 8 weeks. The gastric emptying was delayed from DM week 4 when the gastric InsR and IGF-1R were declined...
September 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28931725/yap-taz-mediated-activation-of-serine-metabolism-and-histone-methylation-is-critical-for-lkb1-deficient-breast-cancer-progression
#3
Qi Wu, Juanjuan Li, Si Sun, Xinyue Chen, Hanpu Zhang, Bei Li, Shengrong Sun
The crucial interplay between metabolic remodeling and the epigenetics could contribute to promote cancer progression. A remarkable association within interaction, LKB1 has been reported, suggesting that the expression of key enzymes involving de novo serine synthesis and DNA methyltransferases like DNMT1 and DNMT3A increase LKB1-deficiency cells. However, the complex interactional link between metabolic remodeling and the epigenetics is still unclear. Hence, we focus on the relationship between YAP/TAZ and serine metabolism to control methylation of DNA or histone in breast cancer with LKB1-deficiency...
September 20, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28928231/the-role-of-circrnas-in-cancers
#4
Ling-Ping Zhu, Yun-Jie He, Jun-Chen Hou, Xiu Chen, Si-Ying Zhou, Su-Jin Yang, Jian Li, He-Da Zhang, Jia-Hua Hu, Shan-Liang Zhong, Jian-Hua Zhao, Jin-Hai Tang
Circular RNAs (circRNAs) are recently regarded as a naturally forming family of widespread and diverse endogenous noncoding RNAs that may regulate gene expression in mammals. At present, above 30,000 circRNAs have already been found, with their unique structures to maintain stability more easily than linear RNAs. Several previous literatures stressed on the important role of circRNAs, whose expression was relatively correlated with patients' clinical characteristics and grade, in the carcinogenesis of cancer...
September 19, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28923830/the-role-of-crp-and-atg9b-expression-in-clear-cell-renal-cell-carcinoma
#5
Zheng Ma, Zengguang Qi, Jiangsong Li, Jing Yang, Zhonghua Xu
Background: The purpose of the study is to investigate the correlation between the expression of C-reactive protein ( CRP ) and autophagy-related 9B ( ATG9B ) and pathological features of clear cell renal cell carcinoma (CCRCC) patients. We also intended to explore the effects of manipulated expression of CRP and ATG9B on the apoptosis and cell cycle progressing of CCRCC cell line. Material and Methods : ATG9B expression in CCRCC tissues and adjacent renal tissues was analyzed by immunohistochemistry (IHC)...
September 18, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28923829/estrogen-deprivation-aggravates-cardiac-hypertrophy-in-non-obese-type-2-diabetic-goto-kakizaki-gk-rats
#6
Nattayaporn Apaijai, Narattaphol Charoenphandhu, Jitjiroj Ittichaichareon, Panan Suntornsaratoon, Nateetip Krishnamra, Ratchaneevan Aeimlapa, Siriporn C Chattipakorn, Nipon Chattipakorn
Both type 2 diabetes mellitus (T2DM) and estrogen deprivation have been shown to be associated with the development of cardiovascular disease and adverse cardiac remodeling.  However, the role of estrogen deprivation on adverse cardiac remodeling in non-obese T2DM rats has not been clearly elucidated.  We hypothesized that estrogen-deprivation aggravates adverse cardiac remodeling in Goto-Kakizaki (GK) rats.  Wild-type (WT) and GK rats at the age of 9 months old were divided into 2 subgroups to have either a sham operation (WTS, GKS) or a bilateral ovariectomy (WTO, GKO) (n=6/subgroup)...
September 18, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28916729/identification-of-differential-plasma-mirna-profiles-in-chinese-workers-with-occupational-lead-exposure
#7
Ming Xu, Zhengmin Yu, Feifei Hu, Hongbing Zhang, Lixin Zhong, Lei Han, Yan An, Baoli Zhu, Hengdong Zhang
Elevated lead absorptions are hazardous factor in lead-related workers. Previous studies have found its toxic impacts on nervous, circulatory, and metabolic systems. We hypothesized that alteration of miRNAs profile in plasma was closely associated with lead exposure. We analyzed to identify lead-related miRNAs of workers occupationally exposed to lead. Microarray assay was performed to detect plasma miRNA between workers with high and minimal lead exposure in the discovery stage. The following prediction of miRNAs' candidate target genes was carried out by using miRecords, STRING and KEGG databases...
September 15, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28916728/association-between-tlr-9-gene-rs187084-polymorphism-and-knee-osteoarthritis-in-a-chinese-population
#8
Mingfeng Zheng, Shiyuan Shi, Qi Zheng, Yifan Wang, Xiaozhang Ying, Yanghui Jin
Osteoarthritis (OA) is a complex disease that is induced by many genetic risk variants and other factors. To examine the role of toll-like receptor 9 (TLR-9) in OA patients, we conducted a case-control study involving 215 knee OA (KOA) patients and 215 controls in a Chinese population. Genotyping with a custom-by-design 48-Plex single nucleotide polymorphism Scan™ Kit showed the TLR-9 gene rs187084 polymorphism was associated with an increased risk of KOA. Stratification analyses further validated this finding among old people (age ≥ 55y)...
September 15, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28899927/mir-138-protects-cardiac-cells-against-hypoxia-through-modulation-of-glucose-metabolism-by-targeting-pyruvate-dehydrogenase-kinase-1-pdk1
#9
Hang Zhu, Hao Xue, Qin-Hua Jin, Jun Guo, Yun-Dai Chen
Dysfunction of cardiac cells under hypoxia has been identified as an essential event leading to myocytes functional failure. MicroRNAs (miRNAs) are importantly regulatory small-noncoding RNAs that negatively regulate gene expression through the direct binding of 3'UTR region of their target mRNAs (12). Recent studies have demonstrated that miRNAs are aberrantly expressed in the cardiovascular system under pathological conditions (13-17). Pyruvate Dehydrogenase Kinase 1 (PDK1) is a kinase which phosphorylates Pyruvate Dehydrogenase to inactivate it, leading to elevated anaerobic glycolysis and decreased cellular respiration...
September 12, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28899926/peptides-mediating-dna-transport-on-microtubules-and-their-impact-on-non-viral-gene-transfer-efficiency
#10
Patrick Midoux, Lucie Pigeon, Cristine Gonçalves, Chantal Pichon
Synthetic vectors such as cationic polymers and cationic lipids remain attractive tools for non-viral gene transfer which is a complex process whose effectiveness relies on the ability to deliver a plasmid DNA (pDNA) into the nucleus of non-dividing cells. Once in the cytosol, the transport of pDNAs towards the nuclear envelop is strongly impaired by their very low cytosolic mobility due to their large size. To promote their movement towards the cell nucleus, few strategies have been implemented to exploit dynein, the microtubule's motor protein, for propagation of cytosolic pDNA along the microtubules (MTs) towards the cell nucleus...
September 12, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28899925/x-ray-data-processing
#11
Harold R Powell
The method of molecular structure determination by X-ray crystallography is a little over a century old. The history is described briefly, along with developments in X-ray sources and detectors. The fundamental processes involved in measuring diffraction patterns on area detectors, i.e. autoindexing, refining crystal and detector parameters, integrating the reflections themselves and putting the resultant measurements onto a common scale are discussed, with particular reference to the most commonly used software in the field...
September 12, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28899924/relationship-between-ugt1a9-gene-polymorphisms-efficacy-and-safety-of-propofol-in-induced-abortions-among-a-chinese-population-a-population-based-study
#12
Ying-Bin Wang, Rong-Zhi Zhang, Sheng-Hui Huang, Shu-Bao Wang, Jian-Qin Xie
This study aimed to investigate the influence of UGT1A9 gene polymorphisms on the efficacy of propofol in patients undergoing the painless induced abortion method. A total of 156 women seeking voluntary pregnancy termination procedures were selected for the study, and subsequently underwent painless induced abortions, following anesthesia by means of propofol administration. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) was performed to detect the polymorphisms of UGT1A9 gene at -440C/T, -1818C/T and -1887T/G loci...
September 12, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28894026/associations-of-tgfbr1-and-tgfbr2-gene-polymorphisms-with-the-risk-of-hypospadias-a-case-control-study-in-a-chinese-population
#13
Xin-Rui Han, Xin Wen, Shan Wang, Xiao-Wu Hong, Shao-Hua Fan, Juan Zhuang, Yong-Jian Wang, Zi-Feng Zhang, Meng-Qiu Li, Bin Hu, Qun Shan, Chun-Hui Sun, Ya-Xing Bao, Meng Lin, Tan He, Dong-Mei Wu, Jun Lu, Yuan-Lin Zheng
This case-control study investigated the association of transforming growth factor-β receptor type I and II (TGFBR1 and TGFBR2) gene polymorphisms with the risk of hypospadias in a Chinese population. 162 patients suffering from hypospadias were enrolled as case group and 165 children who underwent circumcision were recruited as control group. Single nucleotide polymorphisms (SNPs) in TGFBR1 and TGFBR2 genes were selected on the basis of genetic data obtained from HapMap. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) was performed to identify TGFBR1 and TGFBR2 gene polymorphisms and analyze genotype distribution and allele frequency...
September 11, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28894025/attenuation-of-mir-34a-protects-cardiomyocytes-against-hypoxic-stress-through-maintenance-of-glycolysis
#14
Ying Zhang, Gang Liu, Xiaogang Gao
MicroRNAs (miRNAs) are a class of endogenous, short single-stranded non-coding RNAs, which are tightly linked to cardiac disorders such as myocardial ischemia/reperfusion (I/R) injury. MiR-34a is known to be involved in the hypoxia-induced cardiomyocytes apoptosis. However, the molecular mechanisms are unclear. In this study, we demonstrate under low glucose supply, rat cardiomyocytes are susceptive to hypoxia. Under short time hypoxia, cellular glucose uptake and lactate product are induced but under long time hypoxia, the cellular glucose metabolism are suppressed...
September 11, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28894024/the-synergistic-antimicrobial-effects-of-novel-bombinin-and-bombinin-h-peptides-from-the-skin-secretion-of%C3%A2-bombina-orientalis
#15
Jie Xiang, Mei Zhou, Yuxin Wu, Tianbao Chen, Chris Shaw, Lei Wang
Bombinin and bombinin H are two antimicrobial peptide (AMP) families initially discovered from the skin secretion of Bombina that share the same biosynthetic precursor-encoding cDNAs, but have different structures and physicochemical properties. Insight into their possible existing relationship lead us to perform the combination investigations into their anti-infectious activities. In this work, we report the molecular cloning and functional characterisation of two novel AMPs belonging to bombinin and bombinin H families from secretions of Bombina orientalis Their mature peptides (BHL-bombinin and bombinin HL), coded by single open-reading frame (ORF), were chemically synthesised along with an analogue peptide that replaced L-leucine with D-leucine from the 2nd position of the N-terminus (bombinin HD)...
September 11, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28883083/neupogen-and-mesenchymal-stem-cells-are-novel-therapeutic-agents-in-regeneration-of-induced-endometrial-fibrosis-in-experimental-rats
#16
Dina Sabry, Abeer Mostafa, Samar Marzouk, Walaa Ibrahim, Hanan H M Ali, Ayman Ahmed Hassan, Ashraf Shamaa
Endometrial fibrosis is the presence of intrauterine adhesions after any uterine surgery or curettage and it results in infertility and recurrent pregnancy loss. We evaluated the role of human mesenchymal stem cells (hMSCs) as a therapeutic agent of endometrial fibrosis. We also compared the effect of MSCs with the effect of estrogen and neupogen either each alone or as a combined therapy with MSCs. This experimental study was performed on 84 albino rats which were divided into seven groups (n=12 rats/group) as follows, group 1: normal control rats, group 2: induced fibrosis, group 3: induced fibrosis that received oral estrogen, group 4: induced fibrosis that received hMSCs, group 5: induced fibrosis that received hMSCs and estrogen, group 6: induced fibrosis that received neupogen, and group 7: induced fibrosis that received hMSCs and neupogen...
September 7, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28883082/the-clinical-and-prognostic-value-of-cxcl8-in-cervical-carcinoma-patients-immunohistochemical-analysis
#17
Ruiling Yan, Hanlin Shuai, Xin Luo, Xueqin Wang, Baozhang Guan
Cysteine-X-cysteine ligand 8 (CXCL8) was originally discovered as a pro-inflammatory chemokine. Recently, CXCL8 has been showed to act as an oncogene in several types of human cancers. However, the clinical and prognostic significance of CXCL8 in cervical cancer is poorly understood.    In our study, we found CXCL8 was high-expressed in cervical cancer tissues compared with normal cervical tissues in microarray datasets (GSE9750 and GSE7803). CXCL8 mRNA and protein expressions were increased in cervical cancer tissues and cell lines compared with normal cervical tissues and cervical epithelial cells lines...
September 7, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28864784/sh003-reverses-drug-resistance-by-blocking-signal-transducer-and-activator-of-transcription-3-stat3-signaling-in-breast-cancer-cells
#18
Hye-Sook Seo, Jin Mo Ku, Hee-Jae Lee, Jong-Kyu Woo, Chunhoo Cheon, Mia Kim, Bo-Hyoung Jang, Yong Cheol Shin, Seong-Gyu Ko
Overcoming drug resistance is an important task for investigators and clinician to achieve successful chemotherapy in cancer patients. Drug resistance is caused by various factors, including the overexpression of P-glycoprotein (P-gp, MDR1). The development of new, useful compounds that overcome drug resistance is urgent. SH003 is extracted from the mixture of three different herbs, and its anti-cancer effect has been revealed in different cancer cell types. In the present study, we investigated whether SH003 is able to reverse drug resistance using paclitaxel-resistant breast cancer cells (MCF-7/PAC)...
September 1, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28864783/mesenchymal-stromal-cells%C3%A2-can-be-applied-in-red-blood-cells%C3%A2-storage-as-one-kind-of-cellular-additives
#19
Yaozhen Chen, Jing Zhang, Shunli Gu, Dandan Yin, Qunxing An, Ning An, Lihong Weng, Jing Yi, Jinmei Xu, Wen Yin, Xingbin Hu
During storage in blood banks, red blood cells (RBCs) undergo the mechanical and metabolic damage, which may lead to the diminished capacity to deliver oxygen. At high altitude region, the mentioned damage may get worse. Thus, more attentions should be paid to preserve RBCs when these components need transfer from plain to plateau region. Recently, we found that mesenchymal stromal cells (MSCs) could rescue anemia, and MSCs have been demonstrated in hematopoietic stem cells (HSCs) transplantation to reconstitute hematopoiesis in vivo  by us...
September 1, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28864782/ozone-oil-promotes-wound-healing-by-increasing-the-migration-of-fibroblasts-via-pi3k-akt-mtor-signaling-pathway
#20
Weirong Xiao, Hua Tang, Meng Wu, Yangying Liao, Ke Li, Lan Li, Xiaopeng Xu
Background: Skin injury affects millions of people via the uncontrolled inflammation and infection. Many cellular components including fibroblasts and signaling pathways such as TGF-β were activated to facilitate the wound healing to repair injured tissues. Methods and Results: C57BL/6 female mice were divided into control and ozone oil treated groups. Excisional wounds were created on the dorsal skin and the fibroblasts were isolated from granulation tissues. The skin injured mouse model revealed that ozone oil could significantly decrease the wound area and accelerate wound healing compared with control group...
September 1, 2017: Bioscience Reports
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