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Cong Li, Miao Wang, Wentao Cai, Shuli Liu, Chenghao Zhou, Hongwei Yin, Dongxiao Sun, Shengli Zhang
Heat shock 70 kDa protein 8 (HSPA8) and erb-b2 receptor tyrosine kinase 2 (ERBB2) were the promising candidates for milk protein concentration in dairy cattle revealed through previous RNA sequencing (RNA-Seq) study. The objective of this post-RNA-Seq study was to confirm genetic effects of HSPA8 and ERBB2 on milk protein concentration in a large Chinese Holstein population and to evaluate the genetic effects of both genes on other milk production traits. There were 2 singlenucleotide polymorphisms (SNPs) identified for HSPA8 and 11 SNPs for ERBB2 by sequencing 17 unrelated Chinese Holstein sires...
January 30, 2019: Genes
Sonia Etenna Lekana-Douki, Pater Noster Sir-Ondo-Enguier, Octavie Banga-Mve-Ella, Romeo Karl Imboumy-Limoukou, Gael D Maganga, Jean-Bernard Lekana-Douki, Nicolas Berthet
BACKGROUND: Measles is one of the most infectious diseases with a high mortality rate worldwide. It is caused by the measles virus (MeV) which is a single stranded RNA virus with genetic diversity based on the nucleoprotein gene, including 24 genotypes. In Gabon, several outbreaks occurred in the past few years, especially in 2016 in Libreville and Oyem. A surveillance network of infectious diseases highlighted a measles outbreak which occurred in the south of Gabon from April to June 2017...
January 25, 2019: BMC Infectious Diseases
Sarah A Middleton, James Eberwine, Junhyong Kim
BACKGROUND: RNA localization involves cis-motifs that are recognized by RNA-binding proteins (RBP), which then mediate localization to specific sub-cellular compartments. RNA localization is critical for many different cell functions, e.g., in neuronal dendrites, localization is a critical step for long-lasting synaptic potentiation. However, there is little consensus regarding which RNAs are localized and the role of alternative isoforms in localization. A comprehensive catalog of localized RNA can help dissect RBP/RNA interactions and localization motifs...
January 24, 2019: BMC Biology
C-H Xu, L-M Xiao, Y Liu, L-K Chen, S-Y Zheng, E-M Zeng, D-H Li
OBJECTIVE: Long noncoding RNAs (lncRNAs) serve as important regulators of diverse types of cancer, including glioma. Nevertheless, their precise roles in cancers remain sufficiently unexplored. PATIENTS AND METHODS: Quantitative Reverse Transcription-Polymerase Chain Reaction (qRT-PCR) was used to determine the levels of HOMEOBOX A11 antisense RNA (HOXA11-AS) and miR-130a-5p in glioma tissues and cell lines. Short hairpin RNAs (shRNAs) targeting HOXA11-AS or pcDNA3...
January 2019: European Review for Medical and Pharmacological Sciences
Christopher Barrett, Qijun He, Fenix W Huang, Christian M Reidys
Recently, a framework considering RNA sequences and their RNA secondary structures as pairs led to some information-theoretic perspectives on how the semantics encoded in RNA sequences can be inferred. This pairing arises naturally from the energy model of RNA secondary structures. Fixing the sequence in the pairing produces the RNA energy landscape, whose partition function was discovered by McCaskill. Dually, fixing the structure induces the energy landscape of sequences. The latter has been considered originally for designing more efficient inverse folding algorithms and subsequently enhanced by facilitating the sampling of sequences...
January 17, 2019: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
Saptarshi Roy, Anirban Ganguly, Maureen Haque, Hydar Ali
AG-30/5C is an angiogenic host defense peptide that activates human mast cells (MC) via an unknown mechanism. Using short hairpin RNA-silenced human MC line LAD2 and stably transfected RBL-2H3 cells, we demonstrate that AG-30/5C induces MC degranulation via Mas-related G protein-coupled receptor X2 (MRGPRX2). Most G protein-coupled receptors signal via parallel and independent pathways mediated by G proteins and β-arrestins. AG-30/5C and compound 48/80 induced similar maximal MC degranulation via MRGPRX2, which was abolished by pertussis toxin...
January 16, 2019: Journal of Immunology: Official Journal of the American Association of Immunologists
Fen-Hong Qian, Xia Deng, Qiong-Xin Zhuang, Bin Wei, Dan-Dan Zheng
Asthma is a common chronic inflammatory airway disease; however, whether microRNAs (miRs) could be used in the treatment of asthma remains unclear. The aim of the present study was to investigate the role of miR‑625‑5p in the inflammatory response of human bronchial epithelial cells (HBECs). Inflammation in the HBEC line, 16HBEC, was induced using different concentrations of lipopolysaccharide (LPS), which demonstrated that 1 µg/ml LPS was an appropriate concentration for further experiments. The association between protein kinase B2 (AKT2) and miR‑625‑5p was verified using a luciferase reporter assay...
January 3, 2019: Molecular Medicine Reports
Alix Garcia, Sylvie Dunoyer-Geindre, Veronika Zapilko, Séverine Nolli, Jean-Luc Reny, Pierre Fontana
BACKGROUND:  Platelets are an abundant source of micro-ribonucleic acids (miRNAs) that may play a role in the regulation of platelet function. Some miRNAs, such as miR-126-3p, have been noted as potential biomarkers of platelet reactivity and the recurrence of cardiovascular events. However, the biological relevance of these associations remains uncertain, and the functional validation of candidate miRNAs on human-derived cells is lacking. OBJECTIVE:  This article functionally validates miR-126-3p as a regulator of platelet reactivity in platelet-like structures (PLS) derived from human haematopoietic stem cells...
January 2, 2019: Thrombosis and Haemostasis
Christelle Langevin, Jean-Pierre Levraud, Pierre Boudinot
Tripartite motif (TRIM) family or RBCC proteins comprises characteristic zinc-binding domains (a RING (R), a B-box type 1 (B1) and a B-box type 2 (B2)) and coiled-coil (CC) domain followed by a C-terminus variable domain. There are about 80 different TRIM proteins in human, but more than 200 in zebrafish with several large gene expansions (ftr >70 genes; btr >30 genes; trim35 > 30 genes). Repertoires of trim genes in fish are variable across fishes, but they have been remarkably diversified independently in a number of species...
December 11, 2018: Fish & Shellfish Immunology
Panupong Upala, Tawatchai Apidechkul, Wipob Suttana, Niwed Kullawong, Ratipark Tamornpark, Chadaporn Inta
BACKGROUND: Hand, foot and mouth disease (HFMD) is a major communicable disease in children ≤6 years old, particularly in several countries in the Asia-Pacific Region, including Thailand. HFMD impacts public health and the economy, especially in northern Thailand. METHODS: A prospective cohort study was conducted to estimate the incidence rate and to identify the serotype and clinical features of HFMD among children in northern Thailand. A validated questionnaire and throat swab were used for data collection...
December 6, 2018: BMC Infectious Diseases
H Gharsallah, I Ksentini, N Abdelhedi, S Naayma, K Hadj Taieb, M Sahnoun, M A Triki, M Ksantini, A Leclerque
AIM: This study investigated the bacterial diversity of dead insects collected from olive tree orchards widely cultivated in Tunisia. We aimed to explore metabolic diversity, screen enzymatic activities for biotechnological applications and carry out preliminary bioassays for bio-insecticide development. METHODS AND RESULTS: A total of 50 bacteria strains were randomly isolated from 4 different biotopes situated in Sfax (Tunisia). 16S rRNA gene sequencing was used to identify 24 species, and isolates were evaluated for enzymatic activity and antimicrobial potential...
November 19, 2018: Journal of Applied Microbiology
Keyu Sun, Zichen Xie, Jiqin Wang, Meirong Ling, Yanyan Li, Chao Qiu
The objectives of the present study comprised the recognition of major genes related to pulmonary thromboembolism (PTE) and the evaluation of their functional enrichment levels, in addition to the identification of small chemical molecules that may offer potential for use in PTE treatment. The RNA expression profiling of GSE84738 was obtained from the Gene Expression Omnibus database. Following data preprocessing, the differently expressed genes (DEGs) between the PTE group and the control group were identified using the Linear Models for Microarray package...
January 2019: International Journal of Molecular Medicine
Yanli Tan, Qixue Wang, Yingbin Xie, Xiaoxia Qiao, Shun Zhang, Yanan Wang, Yongbin Yang, Bo Zhang
The present study aimed to identify the therapeutic role of the forkhead box M1 (FOXM1)‑associated pathway in triple‑negative breast cancer (TNBC). Using a Cancer Landscapes‑based analysis, a gene regulatory network model was constructed. The present results demonstrated that FOXM1 occupies a key position in gene networks and is a critical regulatory gene in breast cancer. Using breast carcinoma gene expression data from The Cancer Genome Atlas, it was identified that FOXM1 expression was increased in the basal‑like breast cancer subtype compared with other breast cancer subtypes...
October 19, 2018: International Journal of Oncology
Wen-Jing Yue, Yi-Pin Liu, Ming Li, Cheng-Xia Liu, Shao-Jia Mou, Qian-Kun Li, Zi-Ping Chen
Gastric cancer is an intractable disease with a poor prognosis and limited treatment options. Its treatment remains a major clinical challenge worldwide. Ephrin-B2 is upregulated and involved in tumor growth in various types of cancer. However, the association between ephrin-B2 and prognosis of gastric cancer, and the potential of ephrin-B2 as a therapeutic target remains unknown. The present study investigated ephrin-B2 as a prognostic factor and a therapeutic target for gastric cancer. Reverse transcription-quantitative polymerase chain reaction was performed to detect the protein expression level of ephrin-B2 in gastric cancer serum samples (n=162) and healthy serum samples (n=165)...
October 2018: Oncology Letters
Danping Huang, Weiqu Yuan, Hanmin Li, Shaodong Li, Zuanguang Chen, Hongzhi Yang
Hepatocellular carcinoma (HCC) is one of the most common malignant types of cancer, with a high mortality rate. Sorafenib is the sole approved oral clinical therapy against advanced HCC. However, individual patients exhibit varying responses to sorafenib and the development of sorafenib resistance has been a new challenge for its clinical efficacy. The current study identified gene biomarkers and key pathways in sorafenib-resistant HCC using bioinformatics analysis. Gene dataset GSE73571 was obtained from the Gene Expression Omnibus (GEO) database, including four sorafenib-acquired resistant and three sorafenib-sensitive HCC phenotypes...
September 2018: Experimental and Therapeutic Medicine
Jingyun Du, Shihua Zhou, Li Wang, Mulan Yu, Liyan Mei
Cervical cancer is a common malignancy in females. Diagnosis and treatment of cervical cancer remains a challenge due to difficulties in the presence of tumor metastasis. Increased expression level of Erb-b2 receptor tyrosine kinase 3 (ERBB3) has previously been demonstrated to be associated with the occurrence of cervical cancer; however, the functionality of ERBB3 in the development of cervical cancer remains incompletely understood. In the present study, the expression level of ERBB3 in patients with cervical squamous cell carcinoma and cervical adenocarcinoma was detected by reverse transcription quantitative polymerase chain reaction...
September 2018: Oncology Letters
Yinling Jiang, Wanchun Yang, Shuyu Gui
Paraquat is a commonly used heterocyclic herbicide and has high toxicity by causing acute lung injury. There is no effective treatment for paraquat poisoning. We evaluated the effects of procyanidin B2, a natural dietary phytochemical, on paraquat-induced lung injury in rats. Paraquat was used to induce acute lung injury of rats, which were administered with procyanidin B2. The lung injury was evaluated by measuring the lung/body weight ratio, the histology and PMNs count. The oxidative stress was assessed by detecting ROS-mediated indices in the BALF...
October 2018: Immunobiology
Dang Vinh Do, Bernhard Strauss, Engin Cukuroglu, Iain Macaulay, Keng Boon Wee, Tim Xiaoming Hu, Ruiz De Los Mozos Igor, Caroline Lee, Andrew Harrison, Richard Butler, Sabine Dietmann, Ule Jernej, John Marioni, Christopher W J Smith, Jonathan Göke, M Azim Surani
The RNA-binding protein SRSF3 (also known as SRp20) has critical roles in the regulation of pre-mRNA splicing. Zygotic knockout of Srsf3 results in embryo arrest at the blastocyst stage. However, SRSF3 is also present in oocytes, suggesting that it might be critical as a maternally inherited factor. Here we identify SRSF3 as an essential regulator of alternative splicing and of transposable elements to maintain transcriptome integrity in mouse oocyte. Using 3D time-lapse confocal live imaging, we show that conditional deletion of Srsf3 in fully grown germinal vesicle oocytes substantially compromises the capacity of germinal vesicle breakdown (GVBD), and consequently entry into meiosis...
2018: Cell Discovery
Donald Bastin, Amelia S Aitken, Adrian Pelin, Larissa A Pikor, Mathieu J F Crupi, Michael S Huh, Marie-Claude Bourgeois-Daigneault, John C Bell, Carolina S Ilkow
Antiviral responses are barriers that must be overcome for efficacy of oncolytic virotherapy. In mammalian cells, antiviral responses involve the interferon pathway, a protein-signaling cascade that alerts the immune system and limits virus propagation. Tumour-specific defects in interferon signaling enhance viral infection and responses to oncolytic virotherapy, but many human cancers are still refractory to oncolytic viruses. Given that invertebrates, fungi and plants rely on RNA interference pathways for antiviral protection, we investigated the potential involvement of this alternative antiviral mechanism in cancer cells...
June 19, 2018: Journal for Immunotherapy of Cancer
Junhui He, Mingchong Sun, Sujian Tian
Lupus nephritis (LN) is a multifactorial event that contributes to the long-term mortality of systemic lupus erythematosus (SLE). Activation of NLRP3 inflammasome has been known to play a role in SLE pathogenesis. We evaluated the renal protection effects of procyanidin B2 (PCB2) and the involvement of NLRP3 in a mouse model involving MRL/lpr and MRL/MpJ mice. Kidney injury was evaluated by measuring the renal clinical and pathological features, renal immune complex deposition, and serum anti-double-stranded (anti-dsDNA) Abs...
July 2018: Innate Immunity
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