Transcriptomic analysis of chicken cochleae after gentamicin damage and the involvement of four signaling pathways (Notch, FGF, Wnt and BMP) in hair cell regeneration.

Transcriptomic analysis of chicken cochleae after gentamicin damage and the involvement of four signaling pathways (Notch, FGF, Wnt and BMP) in hair cell regeneration. Hear Res. 2018 Jan 17;: Authors: Jiang L, Xu J, Jin R, Bai H, Zhang M, Yang S, Zhang X, Zhang X, Han Z, Zeng S Abstract Unlike mammalian hair cells, which are essentially unable to regenerate after damage, avian hair cells have a robust capacity for regeneration. The prerequisite for understanding the above difference is knowing the genetic programming of avian hair cell regeneration. Although the major processes have been known, the precise molecular signaling that induces regeneration remains unclear. To address this issue, we performed a high-throughput transcriptomic analysis of gene expression during hair cell regeneration in the chick cochlea after antibiotic injury in vivo. A total of 16,588 genes were found to be expressed in the cochlea, of which about 1000 genes were differentially expressed among the four groups studied, i.e., 2 days (d) or 3 d post-treatment with gentamicin or physiological saline. The differentially expressed genes were distributed across approximately one hundred signaling pathways, including the Notch, MAPK (FGF), Wnt and TGF-β (BMP) pathways that have been shown to play important roles in embryonic development. Some differentially expressed genes (2-3 in each pathway) were further verified by qRT-PCR. After blocking Notch, FGF or BMP signaling, ...
Source: Hearing Research - Category: Audiology Authors: Tags: Hear Res Source Type: research

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Contributors : Jing An ; Jinxiu LiSeries Type : Methylation profiling by high throughput sequencingOrganism : Gallus gallusAvian influenza caused significant damages to the poultry industry, efforts have been made to reveal the disease mechanisms as well as mechanisms of disease resistance. Here, by investigating two chicken breeds with distinct responses to avian influenza virus (AIV), Leghorn GB2 and Fayoumi M43, we compared their differences in genome, methylation and transcriptome. Except for MX1 involved direct acting antiviral mechanism, we found that in both methylation and transcriptome levels the more AIV resistan...
Source: GEO: Gene Expression Omnibus - Category: Genetics & Stem Cells Tags: Methylation profiling by high throughput sequencing Gallus gallus Source Type: research
Some Plasmodium species have the ability to modify the behaviour of their mosquito vectors. This is thought to be an adaptive strategy that maximizes the parasite ’s transmission.
Source: Malaria Journal - Category: Infectious Diseases Authors: Tags: Research Source Type: research
AbstractNewcastle disease (ND) infects wild birds and poultry species worldwide, severely impacting the economics of the poultry industry. ND is especially problematic in Latin America (Mexico, Colombia, Venezuela, and Peru) where it is either endemic or re-emerging. The disease is caused by infections with one of the different strains of virulent avian Newcastle disease virus (NDV), recently renamedAvian avulavirus 1. Here, we describe the molecular epidemiology of Latin American NDVs, current control and prevention methods, including vaccines and vaccination protocols, as well as future strategies for control of ND. Beca...
Source: Tropical Animal Health and Production - Category: Veterinary Research Source Type: research
CircRNA‑0044073 is upregulated in atherosclerosis and increases the proliferation and invasion of cells by targeting miR‑107. Mol Med Rep. 2019 Mar 06;: Authors: Shen L, Hu Y, Lou J, Yin S, Wang W, Wang Y, Xia Y, Wu W Abstract Circular RNAs (circRNAs) are endogenous non‑coding RNAs implicated in atherosclerosis. The aim of the present study was to explore the function of circRNA‑0044073 in atherosclerosis. Reverse transcription quantitative polymerase chain reaction assays were used to measure the expression levels of circRNA‑0044073, microRNA (miRNA/miR)‑107, janus kinase 1 (JAK1), signal ...
Source: Molecular Medicine Reports - Category: Molecular Biology Tags: Mol Med Rep Source Type: research
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Source: Reuters: Health - Category: Consumer Health News Tags: healthNews Source Type: news
To conduct a hematological analysis of avian blood samples, standard automated cell counting is unreliable because all avian blood cells are nucleated. Therefore, quantitative white blood cell counting in bird...
Source: BMC Veterinary Research - Category: Veterinary Research Authors: Tags: Research article Source Type: research
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Source: Veterinary Microbiology - Category: Veterinary Research Source Type: research
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Source: Vaccine - Category: Allergy & Immunology Authors: Tags: Vaccine Source Type: research
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Source: NSF Discoveries - Category: Science Source Type: research
by Sifat A. Moon, Lee W. Cohnstaedt, D. Scott McVey, Caterina M. Scoglio West Nile virus (WNV)—a mosquito-borne arbovirus—entered the USA through New York City in 1999 and spread to the contiguous USA within three years while transitioning from epidemic outbreaks to endemic transmission. The virus is transmitted by vector competent mosquitoes and maintained in the avian populations. WNV spatial distribution is mainly determined by the movement of residential and migratory avian populations. We developed an individual-level heterogeneous network framework across the USA with the goal of understanding the long-r...
Source: PLoS Computational Biology - Category: Biology Authors: Source Type: research
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