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DNA and Cell Biology

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https://www.readbyqxmd.com/read/28304193/peptidomic-analysis-of-fetal-heart-tissue-for-identification-of-endogenous-peptides-involved-in-tetralogy-of-fallot
#1
Jingjing Zhang, Dong Liang, Qing Cheng, Li Cao, Yun Wu, Yan Wang, Shuping Han, Zhangbin Yu, Xianwei Cui, Tianhui Xu, Dingyuan Ma, Ping Hu, Zhengfeng Xu
Tetralogy of fallot (TOF) is one of the most prevalent types of congenital heart diseases. As a category of bioactive molecules, peptides have been proved to participate in various biological processes. However, the role of endogenous peptides in the pathogenesis of TOF has not been studied. In this study, we performed a comparative peptidomic profile in the fetal heart of TOF and the control group for the first time by liquid chromatography-tandem mass spectrometry. Our data demonstrated that a total of 201 peptides derived from 176 precursor proteins were differentially expressed in the heart tissues of TOF fetuses compared with normal controls, including 41 upregulated peptides and 160 downregulated peptides...
March 17, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28287831/shear-stress-in-autophagy-and-its-possible-mechanisms-in-the-process-of-atherosclerosis
#2
Feng-Xia Guo, Yan-Wei Hu, Lei Zheng, Qian Wang
Autophagy can eliminate harmful components and maintain cellular homeostasis in response to a series of extracellular insults in eukaryotes. More and more studies show that autophagy plays vital roles in the development of atherosclerosis. Atherosclerosis is a multifactorial disease and shear stress acts as a key role in its process. Understanding the role of shear stress in autophagy may offer insight into atherosclerosis therapies, especially emerging targeted therapy. In this article, we retrospect related studies to summarize the present comprehension of the association between autophagy and atherosclerosis onset and progression...
March 13, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28281780/fibroblast-growth-factor-1-transfected-adipose-derived-mesenchymal-stem-cells-promote-angiogenic-proliferation
#3
Seyed Javad Hoseini, Hamed Ghazavi, Fatemeh Forouzanfar, Baratali Mashkani, Ahmad Ghorbani, Elahe Mahdipour, Faezeh Ghasemi, Hamid Reza Sadeghnia, Majid Ghayour-Mobarhan
The aim of this study was to investigate, for the first time, the effects of using adipose-derived mesenchymal stem cells (AD-MSCs) transfected with an episomal plasmid encoding fibroblast growth factor 1 (FGF1) (AD-MSCs(FGF1)), in providing the microenvironment required for angiogenic proliferation. The isolated rat AD-MSCs were positive for mesenchymal (CD29 and CD90) and negative for hematopoietic (CD34 and CD45) surface markers. Adipogenic and osteogenic differentiation of the AD-MSCs also occurred in the proper culture media...
March 10, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28278385/the-type-i-interferon-response-and-age-dependent-susceptibility-to-herpes-simplex-virus-infection
#4
Daniel Giraldo, Douglas R Wilcox, Richard Longnecker
Herpes simplex virus type 1 (HSV-1) is a highly prevalent human neurotropic pathogen. HSV-1 infection is associated with a variety of diseases ranging from benign orolabial lesions to more serious and even life-threatening conditions such as herpes simplex keratitis and herpes simplex encephalitis (HSE). HSE is a rare occurrence among healthy adult individuals, but newborns are a particularly susceptible population. Type I IFN signaling has been identified as a crucial component of the innate immune response to the control of HSV-1 infection...
March 9, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28278381/alternative-splicing-of-stat3-is-affected-by-rna-editing
#5
Lior Goldberg, Mor Abutbul-Amitai, Gideon Paret, Yael Nevo-Caspi
A-to-I RNA editing, carried out by adenosine deaminase acting on RNA (ADAR) enzymes, is an epigenetic phenomenon of posttranscriptional modifications on pre-mRNA. RNA editing in intronic sequences may influence alternative splicing of flanking exons. We have previously shown that conditions that induce editing result in elevated expression of signal transducer and activator of transcription 3 (STAT3), preferentially the alternatively-spliced STAT3β isoform. Mechanisms regulating alternative splicing of STAT3 have not been elucidated...
March 9, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28277742/mir-185-p2y6-axis-inhibits-angiotensin-ii-induced-human-aortic-vascular-smooth-muscle-cell-proliferation
#6
Shunmin Wang, Lujun Tang, Qian Zhou, Duomei Lu, Wulei Duan, Cheng Chen, Lu Huang, Yuansheng Tan
The abnormal proliferation and apoptosis of human aortic vascular smooth muscle cells (HAVSMCs) play an important role in the pathogenesis of hypertension. Recent study revealed that angiotensin II (Ang II) could elicit HAVSMC dysfunction, to induce or aggravate hypertension. Purinergic receptor P2Y6, an inflammation-inducible G protein-coupled receptor, promoted Ang II-induced hypertension. In the present study, we revealed that Ang II induced HAVSMC proliferation and upregulated P2Y6 protein levels. After knockdown of P2Y6, the promotive effect of Ang II on HAVSMC proliferation was restored...
March 9, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28277741/characterization-and-complementation-of-a-chlorophyll-less-dominant-mutant-gl1-in-lagerstroemia-indica
#7
Shu'an Wang, Peng Wang, Lulu Gao, Rutong Yang, Linfang Li, Enliang Zhang, Qing Wang, Ya Li, Zengfang Yin
Crape myrtle (Lagerstroemia indica) is a woody ornamental plant popularly grown because of its long-lasting, midsummer blooms and beautiful colors. The GL1 dominant mutant is the first chlorophyll-less mutant identified in crape myrtle. It was obtained from a natural yellow leaf bud mutation. We previously revealed that leaf color of the GL1 mutant is affected by light intensity. However, the mechanism of the GL1 mutant on light response remained unclear. The acclimation response of mutant and wild-type (WT) plants was assessed in a time series after transferring from low light (LL) to high light (HL) by analyzing chlorophyll synthesis precursor content, photosynthetic performance, and gene expression...
March 9, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28256910/brca1-associated-protein-1-suppresses-osteosarcoma-cell-proliferation-and-migration-through-regulation-pi3k-akt-pathway
#8
Shuming Gao, Hongjiang Sun, Cai Cheng, Guangya Wang
BRCA1-associated protein-1 (BAP1) is an important nuclear-localized deubiquitinating enzyme. Dysregulation of BAP1 has been reported in many types of cancers. However, there are few articles on the role of BAP1 in osteosarcoma (OS) and the molecular mechanisms of BAP1 in OS remain largely unknown. In this study, we examined the expression of BAP1 in the tissue sample from OS patients and healthy control subjects, and then investigated the biological function and molecular mechanisms of BAP1 in OS. We found that BAP1 was significantly reduced in OS patients and OS cell lines...
March 3, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28191864/overexpression-of-nad-p-h-quinone-oxidoreductase-1-inhibits-hepatocellular-carcinoma-cell-proliferation-and-induced-apoptosis-by-activating-ampk-pgc-1%C3%AE-pathway
#9
Xin Zhang, Kun Han, Dong-Hong Yuan, Cun-Ying Meng
Hepatocellular carcinoma (HCC) is the most common lethal malignancy and a leading cause of malignancy-associated death in many countries, but mainly in Asia. Expression of the NAD(P)H:quinone oxidoreductase 1 (NQO1) protein is involved in the growth of various human cancers, including HCC. NQO1 is considered an inhibitor of cancers. The present study aimed to investigate the function and mechanism of NQO1 in HCC. In this study, we found that NQO1 overexpression decreased HCC cell SK-hep-1 and Hep3B cell proliferation and induced apoptosis...
February 13, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28177658/the-role-of-exosomal-vp40-in-ebola-virus-disease
#10
Michelle L Pleet, Catherine DeMarino, Benjamin Lepene, M Javad Aman, Fatah Kashanchi
Ebola virus (EBOV) can cause a devastating hemorrhagic disease, leading to death in a short period of time. After infection, the resulting EBOV disease results in high levels of circulating cytokines, endothelial dysfunction, coagulopathy, and bystander lymphocyte apoptosis in humans and nonhuman primates. The VP40 matrix protein of EBOV is essential for viral assembly and budding from the host cell. Recent data have shown that VP40 exists in the extracellular environment, including in exosomes, and exosomal VP40 can impact the viability of recipient immune cells, including myeloid and T cells, through the regulation of the RNAi and endosomal sorting complexes required for transport pathways...
February 8, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28157400/nuclear-factor-of-%C3%AE%C2%BAb1-is-a-key-regulator-for-the-transcriptional-activation-of-milk-synthesis-in-bovine-mammary-epithelial-cells
#11
Xin Huang, Yanli Zang, Minghui Zhang, Xiaohan Yuan, Meng Li, Xuejun Gao
The nuclear factor of κB (NFκB) family has been well known for its significant role in regulating the expression of numerous genes that control many biological processes. However, it is unclear whether NFκB could regulate milk synthesis. In this study, we identified NFκB1 as a critical regulator for milk synthesis in bovine mammary epithelial cells (BMECs). Gene function study revealed that NFκB1 modulates the expression of mammalian target of rapamycin (mTOR), sterol response element-binding protein (SREBP)-1c, and β4Gal-T2 for milk synthesis...
February 3, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28157399/cxcr5-cd8-t-cells-indirectly-offer-b-cell-help-and-are-inversely-correlated-with-viral-load-in-chronic-hepatitis-b-infection
#12
Hang Jiang, Linhai Li, Jiang Han, Zhiwei Sun, Yihui Rong, Yun Jin
Treatment options for chronic hepatitis B (CHB) infection are extremely limited. CXCR5(+) CD8(+) T cell is a novel cell subtype and could possess strong cytotoxic properties in HIV infection. In this study, we investigated the role of CXCR5(+) CD8(+) T cells in CHB patients. Compared to healthy individuals, both CHB patients and hepatitis B virus (HBV)-infected hepatocellular carcinoma patients presented significant upregulation of CXCR5(+) CD8(+) T cells in peripheral blood, in which CXCR5(+) CD8(+) T cells were negatively correlated with the frequency of CXCR5(+) CD4(+) T cells in CHB patients...
February 3, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28157396/notch-signaling-modulates-the-balance-of-regulatory-t-cells-and-t-helper-17-cells-in-patients-with-chronic-hepatitis-c
#13
Lei Qin, Yan-Cai Zhou, Hong-Jie Wu, Ya Zhuo, Yan-Ping Wang, Chang-Yun Si, Yong-Mei Qin
The imbalance of regulatory T cells (Tregs) and T helper 17 (Th17) cells contributes to the persistent hepatitis C virus (HCV) infection. However, modulatory factors associated with Tregs-Th17 balance were not fully elucidated. A recent study demonstrated an immunoregulatory strategy by inactivation of Notch signaling to reverse the disequilibrium of Tregs-Th17 cells in immune thrombocytopenia. Thus, the aim of this study was to assess the effect of Notch signaling in regulating the functions of Tregs and Th17 cells in chronic hepatitis C...
February 3, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28151018/calcium-dobesilate-prevents-diabetic-kidney-disease-by-decreasing-bim-and-inhibiting-apoptosis-of-renal-proximal-tubular-epithelial-cells
#14
Tian Cai, Xiao-Yun Wu, Xiao-Qian Zhang, Hong-Xia Shang, Zhong-Wen Zhang, Jian-Jun Dong, Lin Liao
Apoptosis of renal proximal tubular epithelial cells (PTECs) plays a vital role in the pathogenesis and progression of diabetic kidney disease (DKD). Calcium dobesilate is a vascular protective compound used for treatment of diabetic retinopathy and chronic venous insufficiency. The aim of this study was to determine whether calcium dobesilate can protect PTECs from glucose-induced apoptosis and the potential mechanism of this effect. It is indicated that high glucose promoted abnormal apoptosis of HK2 cells, which was inhibited by treatment of calcium dobesilate, while Bim expression decreased in response to calcium dobesilate in high-glucose-treated HK2 cells...
February 2, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28151013/sex-determining-region-y-box-2-promotes-growth-of-lung-squamous-cell-carcinoma-and-directly-targets-cyclin-d1
#15
Chiguan Li, Bingwen He, Cuiping Huang, Huaping Yang, Liming Cao, Jun Huang, Chengping Hu
Sex-determining region Y-box 2 (SOX2) is an oncogene known to be amplified and overexpressed in various human malignancies, including lung squamous cell carcinoma (SCC). However, the role played by SOX2 in lung SCC development remains to be elucidated. We measured the levels of SOX2 and cyclin D1 mRNA and protein expression in lung SCC tissues and a lung SCC cell line, and found that both levels were dramatically upregulated in specimens of lung SCC tissue when compared with their expression levels in samples of adjacent nonneoplastic tissue...
February 2, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28257264/some-updated-statistics-for-readers-of-dna-and-cell-biology
#16
Carol Shoshkes Reiss
No abstract text is available yet for this article.
March 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28112546/characteristics-and-roles-of-exosomes-in-cardiovascular-disease
#17
Yuan Zhang, Yan-Wei Hu, Lei Zheng, Qian Wang
Exosomes are nano-sized biological membrane-enclosed vesicles that contain a cell-specific cargo of proteins, lipids, and nucleic acids that are released and taken up by most cell types, thereby inducing expression and functional changes via horizontal transfer of cargos between cells. Thus, exosomes present a largely unknown "cell-to-cell" communication system, which is now increasingly being investigated for diagnostic and therapeutic use in cardiovascular disease (CVD). The purpose of this review is to summarize recent findings on the properties and roles of exosomes in a variety of physiological and pathological settings related to CVD...
March 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28092463/ccaat-enhancer-binding-protein-%C3%AE-mediates-the-killing-of-toxoplasma-gondii-by-inducing-autophagy-in-nonhematopoietic-cells
#18
Yanhui Yu, Na Zhao, Jiaqi An, Xichen Zhang
Autophagy is a main defense strategy by which infected host cells can virtually induce the killing of parasite, including Toxoplasma gondii. However, the regulatory mechanisms of autophagy in T. gondii-infected nonhematopoietic cells are still unknown. Emerging evidence indicates that CCAAT/enhancer-binding protein β (C/EBP β) is associated with the regulation of autophagy. Herein, we hypothesized that C/EBP β plays roles in inducing autophagy in nonhematopoietic cells. Expression of C/EBP β was aberrantly regulated in endothelial cells and retinal pigment epithelial cells challenged by T...
March 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28085489/microrna-130a-promotes-human-keratinocyte-viability-and-migration-and-inhibits-apoptosis-through-direct-regulation-of-stk40-mediated-nf-%C3%AE%C2%BAb-pathway-and-indirect-regulation-of-sox9-meditated-jnk-mapk-pathway-a-potential-role-in-psoriasis
#19
Ying Xiong, Hongxiao Chen, Liqian Liu, Leihong Lu, Zongshan Wang, Fujun Tian, Yongliang Zhao
Psoriasis is a chronic inflammatory skin disorder. The aim of this study was to determine a potential role of microRNA (miR)-130a in psoriasis, and underlying mechanism. Expression levels of miR-130a in psoriasis specimens and normal skin tissues were analyzed. MiR-130a mimic, inhibitor, miR-control, small interfering RNA (siRNA) specific serine/threonine kinase 40 (STK40), or sex-determining region Y chromosome-box 9 (SOX9) were transfected to human keratinocyte HaCaT cells, respectively. After transfection, the cell viability, apoptosis, and migration were determined...
March 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28080131/hypusination-of-eif5a-as-a-target-for-antiviral-therapy
#20
Michelle E Olsen, John H Connor
No abstract text is available yet for this article.
March 2017: DNA and Cell Biology
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