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International Journal of Biological Sciences

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https://www.readbyqxmd.com/read/29725268/mesoporous-bioactive-glass-coated-3d-printed-borosilicate-bioactive-glass-scaffolds-for-improving-repair-of-bone-defects
#1
Xin Qi, Hui Wang, Yadong Zhang, Libin Pang, Wei Xiao, Weitao Jia, Shichang Zhao, Deping Wang, Wenhai Huang, Qiugen Wang
Background: In the field of tissue engineering, there is currently increasing interest in new biomedical materials with high osteogenic ability and comparable mechanical function to repair bone defects. Three-dimensional (3-D) bioactive borosilicate glass (BG) scaffolds exhibit uniform interconnected macro-pores, high porosity and high compressive strength. In this study, we fabricated 3-D BG scaffolds by the 3D printing technique, then coated the surface of the 3-D BG scaffolds with mesoporous bioactive glass (MBG) (BG-MBG scaffold)...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725267/identification-of-functional-mimotopes-of-human-vasorin-ectodomain-by-biopanning
#2
Da Li, Tan Zhang, Xiqin Yang, Jie Geng, Shaohua Li, Hongmei Ding, Hui Li, Aixue Huang, Chaonan Wang, Leqiao Sun, Chenjun Bai, Heqiu Zhang, Jie Li, Jie Dong, Ningsheng Shao
Human vasorin (VASN) as a type I transmembrane protein, is a potential biomarker of hepatocellular carcinoma, which could expedite HepG2 cell proliferation and migration significantly in vitro . The ectodomain of VASN was proteolytically released to generate soluble VASN (sVASN), which was validated to be the active form. Among several monoclonal antibodies produced against sVASN, the clone V21 was found to bind with the recombinant human sVASN (rhsVASN) with the highest affinity and specificity, and also have inhibitory effects on proliferation and migration of HepG2 cells...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725266/repair-of-critical-sized-mandible-defects-in-aged-rat-using-hypoxia-preconditioned-bmscs-with-up-regulation-of-hif-1%C3%AE
#3
Jiankang Zhang, Zhuozhuo Feng, Junjun Wei, Yunbo Yu, Jie Luo, Jing Zhou, Yi Li, Xiaohui Zheng, Wei Tang, Lei Liu, Jie Long, Xiaoyu Li, Wei Jing
The repair of bone defects in the geriatric population remains a challenge for modern medicine. Transplantation of bone marrow mesenchymal stem cells (BMSCs) combined with or without biomaterials has been a promising approach to bone restoration and regeneration. Typically, the transplanted BMSCs are cultured under normoxic conditions (21% O2 and 10% serum medium) in vitro . However, the micro-environment of bone defect area is much more severe, in which lower physiological oxygen tension (<1%) and tissue ischemia were present...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725265/ctgf-contributes-to-the-development-of-posterior-capsule-opacification-an-in-vitro-and-in-vivo-study
#4
Bo Ma, Ruihua Jing, Jie Liu, Lan Yang, Jingming Li, Li Qin, Lijun Cui, Cheng Pei
Connective tissue growth factor (CTGF) is a crucial factor that plays a major role in the process of posterior capsule opacification (PCO). However, the effects of CTGF on the proliferation and migration of lens epithelial cells (LECs) and on the mechanism of the epithelial mesenchymal transition (EMT) and extracellular matrix (ECM) in human lens epithelial cells (HLECs) as well as the effects of shRNA-mediated CTGF knockdown on the development of PCO in rats remain unclear. In the present study, we found that CTGF promoted EMT, proliferation, migration and the expression of p-ERK1/2 protein in HLECs but exerted little effect on the expression of p-p38 and p-JNK1/2 proteins...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725264/generation-of-cashmere-goats-carrying-an-edar-gene-mutant-using-crispr-cas9-mediated-genome-editing
#5
Fei Hao, Wei Yan, Xiaocong Li, Hui Wang, Yingmin Wang, Xiao Hu, Xu Liu, Hao Liang, Dongjun Liu
In recent years, while the use of the clustered regularly interspaced short palindromic repeat (CRISPR)-CRISPR-associated protein 9 (Cas9) (CRISPR-Cas9) system for targeted genome editing has become a research hotspot, it has, to date, not proved adequate for genome editing in large mammals, such as goats. In this study, two opposite single-guide RNAs (sgRNAs) were designed for complete EDAR gene targeting in Cashmere goats, and co-transfected with a plasmid encoding Cas9 into goat fibroblasts. Among the 89 cell lines obtained through the cultivation of clonal cell lines, 62 were positive for EDAR gene targeting...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725263/glaucocalyxin-a-induces-g2-m-cell-cycle-arrest-and-apoptosis-through-the-pi3k-akt-pathway-in-human-bladder-cancer-cells
#6
Wenfeng Lin, Jinlin Xie, Naijin Xu, Linglong Huang, Abai Xu, Hulin Li, Chaoming Li, Yubo Gao, Masami Watanabe, Chunxiao Liu, Peng Huang
Glaucocalyxin A (GLA), a major component isolated from Rabdosia japonica, has been proven to show anti-bacterial and anti-tumor biological characteristics according to previous studies. However, its potential effect on bladder cancer remains unknown. The present research aims to investigate the underlying mechanism in treating bladder cancer in vivo and in vitro. Cell proliferation was analyzed by CCK-8 assay and colony formation. Flow cytometry was used to measure the cell cycle distribution and apoptosis...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725262/simvastatin-suppresses-proliferation-and-migration-in-non-small-cell-lung-cancer-via-pyroptosis
#7
Fengjiao Wang, Wei Liu, Jinfeng Ning, Junfeng Wang, Yaoguo Lang, Xiangyuan Jin, Kaibin Zhu, Xiuyun Wang, Xiaoguang Li, Fan Yang, Jianqun Ma, Shidong Xu
Pyroptosis is a form of caspase-1-dependent programmed cell death with anti-tumor properties, but the underlying molecular mechanisms are not fully understood. The results of our study showed that the antihyperlipidemic drug simvastatin induced pyroptosis in non-small cell lung cancer (NSCLC) cell lines and a xenograft mouse model. Inhibition of pyroptosis attenuated the effects of simvastatin on tumor cell viability and migration. These data suggest that simvastatin may induce pyroptosis, thereby potentially serving as a novel therapeutic agent for NSCLC...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725261/tumor-necrosis-factor-%C3%AE-induced-protein-8-pathophysiology-clinical-significance-and-regulatory-mechanism
#8
REVIEW
Lei Zhang, Ran Liu, Ying-Yi Luan, Yong-Ming Yao
Tumor necrosis factor-α-induced protein-8 (TNFAIP8) is the earliest discovered component of TNFAIP8 family [tumor necrosis factor-α-induced protein-8 like (TIPE) family]. TNFAIP8 contains a putative death effector domain (DED) homologous to DED II in FLIP (Fas-associated death domain-like interleukin-1β-converting enzyme-inhibitory protein), which may affect cell survival/death process. Recently, it has been demonstrated that TNFAIP8 could inhibit apoptosis and autophagy in various types of cells. Moreover, TNFAIP8 level fluctuated evidently in patients with inflammatory, malignant, and autoimmune diseases, indicating that it might be an anti-apoptotic and oncogenetic protein...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725260/micrornas-associated-with-therapy-of-non-small-cell-lung-cancer
#9
REVIEW
Junmi Lu, Yuting Zhan, Juan Feng, Jiadi Luo, Songqing Fan
The incidence of non-small cell lung cancer (NSCLC) has been rising over the past several decades. Despite various therapeutic regimens and modern diagnostic techniques are developed, NSCLC still have an extremely poor prognosis due to drug resistance. Therefore, it is critical to find a novel precise diagnosis and effective treatment approach for NSCLC patients. MicroRNAs (MiRNAs) are a class of 18-25nt non-coding small RNAs, which have been shown to be involved profoundly in the pathogenesis such as cellular proliferation, differentiation, development, apoptosis and tumorigenesis in many human tumors including of NSCLC...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725259/expanding-the-oro-dental-and-mutational-spectra-of-kabuki-syndrome-and-expression-of-kmt2d-and-kdm6a-in-human-tooth-germs
#10
Thantrira Porntaveetus, Mushriq F Abid, Thanakorn Theerapanon, Chalurmpon Srichomthong, Atsushi Ohazama, Katsushige Kawasaki, Maiko Kawasaki, Kanya Suphapeetiporn, Paul T Sharpe, Vorasuk Shotelersuk
Kabuki syndrome is a rare genetic disorder characterized by distinct dysmorphic facial features, intellectual disability, and multiple developmental abnormalities. Despite more than 350 documented cases, the oro-dental spectrum associated with kabuki syndrome and expression of KMT2D (histone-lysine N-methyltransferase 2D) or KDM6A (lysine-specific demethylase 6A) genes in tooth development have not been well defined. Here, we report seven unrelated Thai patients with Kabuki syndrome having congenital absence of teeth, malocclusion, high-arched palate, micrognathia, and deviated tooth shape and size...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29725258/splicing-factor-rbm20-regulates-transcriptional-network-of-titin-associated-and-calcium-handling-genes-in-the-heart
#11
Wei Guo, Chaoqun Zhu, Zhiyong Yin, Qiurong Wang, Mingming Sun, Huojun Cao, Marion L Greaser
RNA binding motif 20 (RBM20) regulates pre-mRNA splicing of over thirty genes, among which titin is a major target. With RBM20 expression, titin expresses a larger isoform at fetal stage to a smaller isoform at adult resulting from alternative splicing, while, without RBM20, titin expresses exclusively a larger isoform throughout all ages. In addition to splicing regulation, it is unknown whether RBM20 also regulates gene expression. In this study, we employed Rbm20 knockout rats to investigate gene expression profile using Affymetrix expression array...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29559852/-bmi1-deficient-mice-exhibit-male-infertility
#12
Xiuliang Dai, Qian Zhang, Zhenzhen Yu, Weiwei Sun, Rong Wang, Dengshun Miao
Previous studies have demonstrated that the polycomb repressor Bmi1 is universally expressed in all types of testicular cells and might regulate the spermatogonia proliferation, however, it is unclear whether Bmi1 plays a critical role in maintaining normal male fertility in vivo. To answer this question, we first confirmed that Bmi1 is universally expressed in all types of testicular cells and found that the gene relative expression levels of Bmi1 in testis were the highest relative to other organs. Then we investigated the role of Bmi1 in maintaining normal male fertility using Bmi1 knockout male mouse model...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29559851/role-of-plant-derived-alkaloids-and-their-mechanism-in-neurodegenerative-disorders
#13
REVIEW
Ghulam Hussain, Azhar Rasul, Haseeb Anwar, Nimra Aziz, Aroona Razzaq, Wei Wei, Muhammad Ali, Jiang Li, Xiaomeng Li
Neurodegenerative diseases are conventionally demarcated as disorders with selective loss of neurons. Conventional as well as newer molecules have been tested but they offer just symptomatic advantages along with abundant side effects. The discovery of more compelling molecules that can halt the pathology of these diseases will be considered as a miracle of present time. Several synthetic compounds are available but they may cause several other health issues. Therefore, natural molecules from the plants and other sources are being discovered to replace available medicines...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29559850/effect-of-il-18-on-the-expansion-and-phenotype-of-human-natural-killer-cells-application-to-cancer-immunotherapy
#14
Hiroaki Senju, Asuka Kumagai, Yoichi Nakamura, Hiroyuki Yamaguchi, Katsumi Nakatomi, Shota Fukami, Kengo Shiraishi, Yuka Harada, Mitsuhiro Nakamura, Haruki Okamura, Yoshimasa Tanaka, Hiroshi Mukae
When pathogenic stresses are recognized by innate immune cells, inflammasomes are assembled and caspase-1 is activated, resulting in the conversion of pro-IL-18 into mature IL-18. Because natural killer (NK) cells express IL-18 receptors, IL-18 may play roles in immune functions of NK cells. In the present study, we examined the effect of IL-18 on NK cells derived from lung cancer patients and healthy adult volunteers. When peripheral blood NK cells were stimulated with IL-2, the cells formed clusters beginning on day 5-6 and proliferated thereafter, in which the number of NK cells increased by 10-fold in 10 days...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29559849/overexpressed-circpvt1-a-potential-new-circular-rna-biomarker-contributes-to-doxorubicin-and-cisplatin-resistance-of-osteosarcoma-cells-by-regulating-abcb1
#15
Zhu Kun-Peng, Ma Xiao-Long, Zhang Chun-Lin
Circular RNAs (circRNAs) represent a widespread class of non-coding RNAs generated from back-splicing, with a circular loop structure. Many circRNAs have been reported to play essential roles in cancer development and have the potential to serve as a novel class of biomarkers for clinical diagnosis. However, the role of circRNA in osteosarcoma (OS) remains largely unknown. In the current study, we examined the expression level of circular RNA PVT1 (circPVT1), previously screened and identified the oncogenic role in gastric cancer, in OS and found that circPVT1 was significantly up-regulated in the OS tissues, serums and chemoresistant cell lines, correlated with poor prognosis of OS patients...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29559848/environmental-adaptation-of-acanthamoeba-castellanii-and-entamoeba-histolytica-at-genome-level-as-seen-by-comparative-genomic-analysis
#16
Victoria Shabardina, Tabea Kischka, Hanna Kmita, Yutaka Suzuki, Wojciech Makałowski
Amoebozoans are in many aspects interesting research objects, as they combine features of single-cell organisms with complex signaling and defense systems, comparable to multicellular organisms. Acanthamoeba castellanii is a cosmopolitan species and developed diverged feeding abilities and strong anti-bacterial resistance; Entamoeba histolytica is a parasitic amoeba, who underwent massive gene loss and its genome is almost twice smaller than that of A. castellanii . Nevertheless, both species prosper, demonstrating fitness to their specific environments...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29559847/mycotoxin-zearalenone-exposure-impairs-genomic-stability-of-swine-follicular-granulosa-cells-in-vitro
#17
Xue-Lian Liu, Rui-Ying Wu, Xiao-Feng Sun, Shun-Feng Cheng, Rui-Qian Zhang, Tian-Yu Zhang, Xi-Feng Zhang, Yong Zhao, Wei Shen, Lan Li
Zearalenone (ZEA), a metabolite of Fusarium fungi, is commonly found on moldy grains. Because it can competitively combine to estrogen receptor to disrupt estrogenic signaling, it has been reported to have serious adverse effects on animal reproduction systems. In order to explore the genotoxic effects of ZEA exposure on ovarian somatic cells, porcine granulosa cells were exposed to 10 μM and 30 μM ZEA for 24 or 72 h in vitro . The results showed that ZEA exposure for 24 h remarkably reduced the proliferation of porcine granulosa cells in a dose-dependent manner as determined by MTT analysis and flow cytometry...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29559846/frizzled7-promotes-epithelial-to-mesenchymal-transition-and-stemness-via-activating-canonical-wnt-%C3%AE-catenin-pathway-in-gastric-cancer
#18
Guanman Li, Qiao Su, Haibo Liu, Dong Wang, Wenhui Zhang, Zhenhai Lu, Yu Chen, Xiaohui Huang, Wen Li, Changhua Zhang, Yulong He, Li Fu, Jiong Bi
Aberrant activation of Wnt signaling is a crucial event in tumor development and metastasis. Wnt signaling is commonly divided into canonical and non-canonical signaling pathways based on whether β-catenin is activated (canonical). The two signaling pathways are initiated by Wnt ligand binding to the surface Frizzled (FZD) receptors, and regulate cancer stem cell self-renewal and epithelial-mesenchymal transition (EMT). Frizzled 7 (FZD7), a member of Frizzled family, promotes cell proliferation and invasiveness in many cancers, suggesting that FZD7 transmitting Wnt signaling is important for driving cancer growth...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29559845/identification-of-key-genes-and-pathways-in-human-clear-cell-renal-cell-carcinoma-ccrcc-by-co-expression-analysis
#19
Lushun Yuan, Guang Zeng, Liang Chen, Gang Wang, Xiaolong Wang, Xinyue Cao, Mengxin Lu, Xuefeng Liu, Guofeng Qian, Yu Xiao, Xinghuan Wang
Human clear cell renal cell carcinoma (ccRCC) is the most common solid lesion within kidney, and its prognostic is influenced by the progression covering a complex network of gene interactions. In our study, we screened differential expressed genes, and constructed protein-protein interaction (PPI) network and a weighted gene co-expression network to identify key genes and pathways associated with the progression of ccRCC (n = 56). Functional and pathway enrichment analysis demonstrated that upregulated differentially expressed genes (DEGs) were significantly enriched in response to wounding, positive regulation of immune system process, leukocyte activation, immune response and cell activation...
2018: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/29559844/instillation-of-particulate-matter-2-5-induced-acute-lung-injury-and-attenuated-the-injury-recovery-in-ace2-knockout-mice
#20
Chung-I Lin, Chin-Hung Tsai, Yu-Ling Sun, Wen-Yeh Hsieh, Yi-Chang Lin, Cheng-Yi Chen, Chih-Sheng Lin
Inhaled particulate matter 2.5 (PM2.5 ) can cause lung injury by inducing serious inflammation in lung tissue. Renin-angiotensin system (RAS) is involved in the pathogenesis of inflammatory lung diseases and regulates inflammatory response. Angiotensin-converting enzyme II (ACE2), which is produced through the angiotensin-converting enzyme (ACE)/angiotensin II (Ang II) axis, protects against lung disease. However, few studies have focused on the relationships between PM2.5 and ACE2. Therefore, we aimed to explore the role of ACE2 in PM2...
2018: International Journal of Biological Sciences
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