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Rna

Human Genetics   Research Article

Assessing potential miRNA targets based on a Markov model

Authors: Hao-Yue Fu1,2, Ding-Yu Xue2, Xiang-de Zhang1 and Pei-Ying Yang2

At present, studies on microRNA mainly focus on the identification of microRNA genes and their mRNA targets. Although researchers have identified many microRNA genes, relatively few microRNA targets have been identified by experi­mental methods. Computational programs designed for predicting potential microRNA targets provide numerous targets for expe.. Read More»

Genet. Mol. Res. 8(3):
vol8-3gmr604
DOI:
10.4238/vol8-3gmr604
Human Genetics   Research Article

MicroRNA-139 modulates Alzheimerâ??s-associated pathogenesis in SAMP8 mice by targeting cannabinoid receptor type 2

Authors: Y. Tang, J.S. Bao, J.H. Su and W. Huang

Alzheimer’s disease (AD) is a neurodegenerative disorder, and is the most common type of dementia in the elderly population. Growing evidence indicates that microRNAs (miRNAs) play a crucial role in neuroinflammation associated with AD progression. In this study, we analyzed the expression of microRNA-139 (miR-139) as we.. Read More»

Genet. Mol. Res. 16(1):
gmr16019166
DOI:
10.4238/gmr16019166
Cytogenomics   Research Article

Bottom-up assembly of RNA nanoparticles containing phi29 motor pRNA to silence the asthma STAT5b gene

Authors: C. Qiu W.K. Peng F. Shi T. Zhang

Activation of the transcription factor signal transducer and activator of transcription 5b (STAT5b) is a key event in the development of asthma. The potent ability of small interfering RNA (siRNA) to inhibit the expression of STAT5b mRNA has provided a new class of therapeutics for asthma. However, efficient delivery of siRNAs remains a key obstacle to th.. Read More»

Genet. Mol. Res. 11(3):
2012.September.12.6
DOI:
10.4238/2012.September.12.6
Microbial Genetics   Research Article

Alpaca fiber growth is mediated by microRNA let-7b via down-regulation of target gene FGF5

Authors: T. Wang, Y. Zhang, H.D. Wang, Y. Shen, N. Liu, J. Cao, X.J. Yu, C.S. Dong and X.Y. He

MicroRNAs are very small endogenous RNA molecules that play a crucial role in an array of biological processes, including regulation of skin morphogenesis. The microRNA let-7b is thought to modulate animal hair growth, by binding target genes that encode growth factors. Fibroblast growth factor 5 (FGF5) has been previously reported to be involved in the i.. Read More»

Genet. Mol. Res. 14(4):
2015.October.28.38
DOI:
10.4238/2015.October.28.38
Animal Genetics   Research Article

Supplemental leucine and isoleucine affect expression of cationic amino acid transporters and myosin, serum concentration of amino acids, and growth performance of pigs

Authors: M. Cervantes-Ram?­rez V. Mendez-Trujillo B.A. Araiza-Pi?±a M.A. Barrera-Silva D. Gonz?¡lez-Mendoza A. Morales-Trejo

Leucine (Leu) participates in the activity of cationic amino acid (aa) transporters. Also, branched-chain aa [Leu, isoleucine (Ile), and valine (Val)] share intestinal transporters for absorption. We conducted an experiment with 16 young pigs (body weight of about 16 kg) to determine whether Leu and Ile affect expression of aa transporters b0,+ and CAT-1 .. Read More»

Genet. Mol. Res. 12(1):
2013.January.24.3
DOI:
10.4238/2013.January.24.3
Human Genetics   Research Article

Abnormal metabolites related to bone marrow failure in aplastic anemia patients

Authors: P. Zhong, J. Zhang and X. Cui

Metabolomics is the identification and quantitation of small molecules that are involved in metabolic reactions. Liquid chromatography-mass spectrometry (LC-MS) has enjoyed growing popularity as the platform for metabolomic studies due to high throughput, soft ionization, and good coverage of metabolites. Serum metabolites of aplastic anemia (AA) patients.. Read More»

Genet. Mol. Res. 14(4):
2015.October.28.33
DOI:
10.4238/2015.October.28.33
Plant Genetics   Research Article

Efficient isolation of high-quality RNA from lotus Nelumbo nucifera ssp nucifera tissues

Authors: Y.J. Zhang X.Y. Hao Z.S. Liang W.D. Ke H.B. Guo

Nelumbo nucifera is widely used as food, as an ornamental, in medicine, and as packing material; it is also reported to have anti-HIV effects and antioxidant capacity. We sought an improved method for extracting high-quality total RNA from different tissues of N. nucifera. Four methods for RNA extraction were assessed for their ability to recover high-qua.. Read More»

Genet. Mol. Res. 12(1):
2013.January.24.14
DOI:
10.4238/2013.January.24.14
Animal Genetics   Research Article

Internal phloem in an interspecific hybrid of cassava, an indicator of breeding value for drought resistance

Authors: D. Graciano-Ribeiro, D.Y.C. Hashimoto, L.C. Nogueira, D. Teodoro, S.F. Miranda and N.M.A. Nassar

We examined the stem anatomy of Manihot esculenta Crantz and its hybrid with M. oligantha Pax. Cross-sections were stained with safranin-alcian blue. Manihot esculenta and its hybrid were found to have the same vascular structure in bicollateral bundles with internal phloem, which has been associated with drought resistance in.. Read More»

Genet. Mol. Res. 8(3):
vol8-3gmr629
DOI:
10.4238/vol8-3gmr629
Microbial Genetics   Research Article

Simple and inexpensive DNA extraction protocol for studying the bacterial composition of sludges used in microbial fuel cells

Authors: B. Canto-Canch?© M. Tzec-Sim?¡ J.I. V?¡zquez-Lor?­a H. Espadas-?lvarez B.H. Ch?­-Manzanero R. Rojas-Herrera R. Valdez-Ojeda L. Alzate-Gaviria

Bacteria oxidize organic matter and nutrients to produce electric energy in microbial fuel cells (MFC) - a technology of increasing importance because of its sustainability. To improve the performance of MFCs, it is necessary not only to gain a better understanding of MFC engineering designs, but also to improve the understanding of the composition of the mi.. Read More»

Genet. Mol. Res. 12(1):
2013.February.4.2
DOI:
10.4238/2013.February.4.2
Human Genetics   Research Article

An alternate method for DNA and RNA extraction from clotted blood

Authors: Z. Zakaria S.H. Umi S.S. Mokhtar U. Mokhtar M.Z. Zaiharina A.T.A. Aziz B.P. Hoh

We developed an alternative method to extract DNA and RNA from clotted blood for genomic and molecular investigations. A combination of the TRIzol method and the QIAamp spin column were used to extract RNA from frozen clotted blood. Clotted blood was sonicated and then the QIAamp DNA Blood Mini Kit was used for DNA extraction. Extracted DNA and RNA were a.. Read More»

Genet. Mol. Res. 12(1):
2013.February.4.4
DOI:
10.4238/2013.February.4.4