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Cell & Bioscience

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https://www.readbyqxmd.com/read/28904745/genome-editing-of-the-hiv-co-receptors-ccr5-and-cxcr4-by-crispr-cas9-protects-cd4-t-cells-from-hiv-1-infection
#1
Zhepeng Liu, Shuliang Chen, Xu Jin, Qiankun Wang, Kongxiang Yang, Chenlin Li, Qiaoqiao Xiao, Panpan Hou, Shuai Liu, Shaoshuai Wu, Wei Hou, Yong Xiong, Chunyan Kong, Xixian Zhao, Li Wu, Chunmei Li, Guihong Sun, Deyin Guo
BACKGROUND: The main approach to treat HIV-1 infection is combination antiretroviral therapy (cART). Although cART is effective in reducing HIV-1 viral load and controlling disease progression, it has many side effects, and is expensive for HIV-1 infected patients who must remain on lifetime treatment. HIV-1 gene therapy has drawn much attention as studies of genome editing tools have progressed. For example, zinc finger nucleases (ZFN), transcription activator like effector nucleases (TALEN) and clustered regularly interspaced short palindromic repeats (CRISPR)-Cas9 have been utilized to successfully disrupt the HIV-1 co-receptors CCR5 or CXCR4, thereby restricting HIV-1 infection...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28852471/enhancing-antitumor-immunogenicity-of-hpv16-e7-dna-vaccine-by-fusing-dna-encoding-e7-antigenic-peptide-to-dna-encoding-capsid-protein-l1-of-bovine-papillomavirus
#2
Andrew Yang, Shiwen Peng, Emily Farmer, Qi Zeng, Max A Cheng, Xiaowu Pang, T-C Wu, Chien-Fu Hung
BACKGROUND: Human papillomavirus (HPV) has been identified as the primary etiologic factor of cervical cancer, the fourth leading cause of cancer death in females worldwide. We have previously shown that coadministration of DNA encoding L1 capsid protein of Bovine papillomavirus (BPV) can enhance the antigen-specific immune response elicited by a therapeutic HPV16-E7 DNA vaccination. In this study, we sought to generate and evaluate the immunogenicity of a therapeutic HPV16-E7 DNA vaccine that encodes the fusion construct of HPV16-E7 and BPV-L1...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28852470/investigation-of-host-pathogen-interaction-between-burkholderia-pseudomallei-and-autophagy-related-protein-lc3-using-hydrophobic-chromatography-based-technique
#3
Pattamaporn Joompa, Saranyoo Ponnikorn, Sittiruk Roytrakul, Sumalee Tungpradabkul
BACKGROUND: Burkholderia pseudomallei is an intracellular bacteria causing Melioidosis, the disease widely disseminates in Southeast Asia and Northern Australia. B. pseudomallei has ability to invade various types of host cell and to interfere with host defense mechanisms, such as nitric oxide (NO). Due to the cross-talk among alternative killing mechanisms in host immune response against invading microbes, autophagy is the molecular mechanism belonging to intracellular elimination of eukaryotic cells that has been widely discussed...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28852469/ginkgetin-aglycone-ameliorates-lps-induced-acute-kidney-injury-by-activating-sirt1-via-inhibiting-the-nf-%C3%AE%C2%BAb-signaling-pathway
#4
Junwei Zhang, Suxia Yang, Fang Chen, Huicong Li, Baoping Chen
BACKGROUND: Ginkgetin aglycone (GA), a novel Ginkgo biloba extract (GBE) by acid hydrolysis and recrystallization, is characterized by higher liposolubility and antioxidation than classical GBEs. There is no study depicting the functional role of GA in acute kidney injury (AKI). Here, we firstly reported the protective effect of GA on lipopolysaccharide (LPS)-induced AKI and its underlying mechanism. METHODS: ELISA analysis was applied to measure plasma level of TNF-α and IL-6, and NF-κB activity in kidney homogenate...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28852468/phosphorylation-of-astrocytic-connexin43-by-erk1-2-impairs-blood-brain-barrier-in-acute-cerebral-ischemia
#5
Wei Chen, Jiugeng Feng, Wusong Tong
BACKGROUND: Connexins are a family of transmembrane proteins that form gap junctions, which are important for diffusion of cytosolic factors such as ions and second messenger signaling molecules. Our previous study has shown that Connexin40 (Cx40), one dominant connexin expressed in brain, was involved in brain injury. In this study, Cx43, another dominant connexin in brain, was investigated. Using bilateral common carotid artery occlusion-induced ischemia rat model, we tested the expression and phosphorylation level of Cx43 as well as heteromeric Cx40/Cx43 complex formation in brain after ischemia induction...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28815013/diabetic-retinopathy-reversibility-of-epigenetic-modifications-and-new-therapeutic-targets
#6
REVIEW
Xinyuan Zhang, Lin Zhao, Brett Hambly, Shisan Bao, Kaiyue Wang
In recent years, considerable progress has been made in the molecular mechanisms of epigenetics in disease development and progression, the reversible characteristics of epigenetic modification provide new insights for the treatment of such diseases. The pathogenesis of diabetic retinopathy (DR) has not yet been fully understood, treatment of refractory and recurrent diabetic macular edema remains a big change in clinical practice. This review emphasizes that reversibility of epigenetic modification could provide a new strategy for the prevention and treatment of diseases...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28815012/the-2016-ming-k-jeang-award-for-excellence-in-cell-bioscience
#7
EDITORIAL
Yun-Bo Shi
Two research groups led by Dr. Jim Hu of University of Toronto, Canada and Dr. Renping Zhou of Rutgers University, USA, respectively, won the 2016 Ming K Jeang Award for Excellence in Cell & Bioscience.
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28811873/a-human-plasma-derived-supplement-preserves-function-of-human-vascular-cells-in-absence-of-fetal-bovine-serum
#8
C Castells-Sala, J Martorell, M Balcells
Current techniques for cell culture routinely use animal-derived components. Fetal bovine serum (FBS) is the most widely applied supplement, but it often displays significant batch-to-batch variations and is generally not suitable for clinical applications in humans. A robust and xeno-free alternative to FBS is of high interest for cellular therapies, from early in vitro testing to clinical trials in human subjects. In the current work, a highly consistent human plasma derived supplement (SCC) has been tested, as a potential substitute of FBS in primary human vascular cells culture...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28794854/tgf-%C3%AE-in-pancreatic-cancer-initiation-and-progression-two-sides-of-the-same-coin
#9
REVIEW
Wei Shen, Guo-Qing Tao, Yu Zhang, Bing Cai, Jian Sun, Zhi-Qiang Tian
Pancreatic cancer is highly lethal malignant tumor with characterised rapid progression, invasiveness and resistance to radiochemotherapy. Transforming growth factor-β (TGF-β) signaling plays a dual role in both pro-tumorigenic and tumor suppressive of pancreatic cancer, depending on tumor stage and microenvironment. TGF-β signaling components alteration are common in pancreatic cancer, and its leading role in tumor formation and metastases has received increased attention. Many therapies have investigated to target TGF-β signaling in the preclinical and clinical setting...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28794853/the-mir-290-295-cluster-as-multi-faceted-players-in-mouse-embryonic-stem-cells
#10
REVIEW
Kai Yuan, Wen-Bing Ai, Lin-Yan Wan, Xiao Tan, Jiang-Feng Wu
Increasing evidence indicates that embryonic stem cell specific microRNAs (miRNAs) play an essential role in the early development of embryo. Among them, the miR-290-295 cluster is the most highly expressed in the mouse embryonic stem cells and involved in various biological processes. In this paper, we reviewed the research progress of the function of the miR-290-295 cluster in embryonic stem cells. The miR-290-295 cluster is involved in regulating embryonic stem cell pluripotency maintenance, self-renewal, and reprogramming somatic cells to an embryonic stem cell-like state...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28785398/isocitrate-dehydrogenases-in-physiology-and-cancer-biochemical-and-molecular-insight
#11
REVIEW
Hamoud Al-Khallaf
Isocitrate dehydrogenases play important roles in cellular metabolism and cancer. This review will discuss how the roles of isoforms 1 and 2 in normal cell and cancer metabolism are distinct from those of isoform 3. It will also explain why, unlike 1 and 2, mutations in isoform 3 in tumor are not likely to be driver ones. A model explaining two important features of isocitrate dehydrogenases 1 and 2 mutations, their dominant negative effect and their mutual exclusivity, will be provided. The importance of targeting these mutations and the possibility of augmenting such therapy by targeting other cancer-related pathways will also be discussed...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28770041/stromal-senp1-promotes-mouse-early-folliculogenesis-by-regulating-bmp4-expression
#12
Shu Tan, Boya Feng, Mingzhu Yin, Huanjiao Jenny Zhou, Ge Lou, Weidong Ji, Yonghao Li, Wang Min
BACKGROUND: Mammalian folliculogenesis, maturation of the ovarian follicles, require both growth factors derived from oocyte and surrounding cells, including stromal cells. However, the mechanism by which stromal cells and derived factors regulate oocyte development remains unclear. RESULTS: We observed that SENP1, a small ubiquitin-related modifier (SUMO)-specific isopeptidase, was expressed in sm22α-positive stromal cells of mouse ovary. The sm22α-positive stromal cells tightly associated with follicle maturation...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28725345/genome-editing-is-revolutionizing-biology
#13
EDITORIAL
Yiping Qi
No abstract text is available yet for this article.
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28680559/the-roles-of-microrna-families-in-hepatic-fibrosis
#14
REVIEW
Xue-Ping Jiang, Wen-Bing Ai, Lin-Yan Wan, Yan-Qiong Zhang, Jiang-Feng Wu
When hepatocytes are damaged severely, a variety of signaling pathways will be triggered by inflammatory factors and cytokines involving in the process of hepatic fibrosis. The microRNA (miRNA) family consists of several miRNAs which have the potential for synergistic regulation of these signaling pathways. However, it is poor to understand the roles of miRNA family as a whole in hepatic fibrosis. Increasing studies have suggested several miRNA families are related with activation of hepatic stellate cells and hepatic fibrosis through cooperatively regulating certain signaling pathways...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28670441/znf300-tight-self-regulation-and-functioning-through-dna-methylation-and-histone-acetylation
#15
Feng-Juan Yan, Jingyi Fan, Zan Huang, Jun-Jian Zhang
BACKGROUND: Accumulating evidence demonstrates that the KRAB-ZNFs involve in various biological processes. As a typical member of KRAB-ZNFs, dysregulation of ZNF300 contributes to multiple pathologies such as leukemia and cancer. However, mechanisms underlying ZNF300 tight regulation and its pathophysiological function remain largely unknown. METHODS: The effect of ZNF300ZFR on gene transcriptional activity was measured by Dual luciferase reporter system. ChIP-PCR assay were performed to detect the enrichment of ZNF300 protein and H3K9Ac in the ZNF300 gene...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28649319/erratum-to-a-new-paradigm-of-dna-synthesis-three-metal-ion-catalysis
#16
Wei Yang, Peter J Weng, Yang Gao
[This corrects the article DOI: 10.1186/s13578-016-0118-2.].
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28596825/kv1-3-channel-blocker-imktx88-maintains-blood-brain-barrier-in-experimental-autoimmune-encephalomyelitis
#17
Jie Huang, Song Han, Qi Sun, Yipeng Zhao, Junchen Liu, Xiaolu Yuan, Wenqian Mao, Biwen Peng, Wanhong Liu, Jun Yin, Xiaohua He
BACKGROUND: Disruption of blood-brain barrier (BBB) and subsequent infiltration of auto-reactive T lymphocytes are major characteristics of multiple sclerosis (MS) and experimental autoimmune encephalomyelitis (EAE). Kv1.3 channel blockers are demonstrated potential therapeutic effects on MS patients and EAE models, maybe via reducing activation of T cells. However, it remains to be explored whether Kv1.3 channel blockers maintain integrity of BBB in MS model. RESULTS: In this study, ImKTx88, a highly selective Kv1...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28572916/ipscs-are-safe
#18
Hualong Yan, Yun-Bo Shi, Jing Huang
Induced pluripotent stem cells (iPSCs) hold great promises in cell therapy. However, the potential safety issues have dampened the enthusiasm of their clinical development. One of the biggest concerns came from the observations that genomic alterations exist in iPSCs. Using next generation sequencing of clonal skin fibroblasts and the iPSC clones derived from the same skin fibroblasts, Dr. Liu and his colleagues in the National Human Genome Research Institute, National Institutes of Health (NIH), USA, in collaboration with Dr...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28572915/apobec3b-a-molecular-driver-of-mutagenesis-in-human-cancers
#19
REVIEW
Jun Zou, Chen Wang, Xiangyi Ma, Edward Wang, Guang Peng
Human cancers results in large part from the accumulation of multiple mutations. The progression of premalignant cells is an evolutionary process in which mutations provide the fundamental driving force for genetic diversity. The increased mutation rate in premalignant cells allows selection for increased proliferation and survival and ultimately leads to invasion, metastasis, recurrence, and therapeutic resistance. Therefore, it is important to understand the molecular determinants of the mutational processes...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28546857/chloroquine-inhibits-ca-2-permeable-ion-channels-mediated-ca-2-signaling-in-primary-b-lymphocytes
#20
Yi-Fan Wu, Ping Zhao, Xi Luo, Jin-Chao Xu, Lu Xue, Qi Zhou, Mingrui Xiong, Jinhua Shen, Yong-Bo Peng, Meng-Fei Yu, Weiwei Chen, Liqun Ma, Qing-Hua Liu
BACKGROUND: Chloroquine, a bitter tastant, inhibits Ca(2+) signaling, resulting in suppression of B cell activation; however, the inhibitory mechanism remains unclear. RESULTS: In this study, thapsigargin (TG), but not caffeine, induced sustained intracellular Ca(2+) increases in mouse splenic primary B lymphocytes, which were markedly inhibited by chloroquine. Under Ca(2+)-free conditions, TG elicited transient Ca(2+) increases, which additionally elevated upon the restoration of 2 mM Ca(2+)...
2017: Cell & Bioscience
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