scholarly journals Integrative Transcriptome Analysis Define Novel lncRNA Potential Regulation Function through SLC22A7 in Yak Liver

Author(s):  
Wei Xia ◽  
Fang Fu ◽  
Li Wang ◽  
Xiaolin Luo ◽  
Jiuqiang Guan

Abstract Background: The yak (Bos grunniens) is a crucial resource to supply meat and milk to the people localized in Qinghai-Tibetan plateau area. To identify lncRNAs regulating metabolism in yak, this work adopted transcriptome method to simultaneously profile mRNAs and lncRNAs of liver in yak under three representative age (LD: Liver 1 Day, LM: Liver 15 Months, LY: Liver 5 Years) conditions.Result: Of 288 differentially expressed lncRNAs, function-oriented selection yield 88 regulated metabolically related lncRNAs that were differentially expressed at least two age conditions. These lncRNAs predicted by lncRNA-mRNA correlation analysis to function in various aspects of metabolism. Selected regulations of liver metabolically related lncRNAs were further verified by qRT-PCR. Furthermore, one novel LncRNA were selected to validate its function and result showed it potentially regulated SLC22A7, a well-known organic anion transporter.Conclusion: Combining high throughput RNA-seq screening screens, bioinformatics predictions, lncRNA-mRNA correlation analysis and qRT-PCR analysis, this study supports that a class of lncRNAs function as important metabolic regulators and establishes a foundation for further investigating the role of lncRNAs in yak.

2020 ◽  
Author(s):  
Wei Xia ◽  
Fang Fu ◽  
Li Wang ◽  
Xiaolin Luo ◽  
Jiuqiang Guan

Abstract Background: The yak (Bos grunniens) is a crucial resource to supply meat and milk to the people localized in Qinghai-Tibetan plateau area. To identify lncRNAs regulating metabolism in yak, this work adopted transcriptome method to simultaneously profile mRNAs and lncRNAs of liver in yak under three representative age (LD: Liver 1 Day, LM: Liver 15 Months, LY: Liver 5 Years) conditions.Result: Of 288 differentially expressed lncRNAs, function-oriented selection yield 88 regulated metabolically related lncRNAs that were differentially expressed at least two age conditions. These lncRNAs predicted by lncRNA-mRNA correlation analysis to function in various aspects of metabolism. Selected regulations of liver metabolically related lncRNAs were further verified by qRT-PCR.Conclusion: Combining high throughput RNA-seq screening screens, bioinformatics predictions, lncRNA-mRNA correlation analysis and qRT-PCR analysis, this study supports that a class of lncRNAs function as important metabolic regulators and establishes a foundation for further investigating the role of lncRNAs in yak.


Blood ◽  
1999 ◽  
Vol 93 (2) ◽  
pp. 599-606 ◽  
Author(s):  
Motoki Egashira ◽  
Norihiko Kawamata ◽  
Koichi Sugimoto ◽  
Takako Kaneko ◽  
Kazuo Oshimi

Abstract P-glycoprotein (P-gp), a transmembrane efflux pump encoded by theMDR1 gene, has been found to be expressed in many normal bone marrow and peripheral blood cells. Among normal leukocytes, CD3−CD16+ or CD3−CD56+ lymphocytes, ie, natural killer (NK) cells, express relatively high levels of P-gp, but little is known about P-gp in abnormally expanded NK cells. In this study, we examined the expression and activity of P-gp on NK cells derived from three normal donors, six patients with indolent NK cell-lineage granular lymphocyte-proliferative disorder (NK-GLPD), three patients with aggressive NK cell tumors (one NK cell leukemia and two nasal NK cell lymphoma), and two NK cell lines. By flow cytometric analysis using the monoclonal antibody (MoAb) MRK16 and rhodamine 123 dye (Rh123), P-gp expression and the efflux of Rh123 were found in all NK samples except one NK cell line. The Rh123 efflux of NK cells was inhibited by cyclosporin A (CsA) and its analogue PSC 833, but the aggressive NK tumor cells were less inhibited than were the other NK cells. The percent inhibition of efflux in the normal NK cells, indolent NK-GLPD cells and aggressive NK cell tumors was 81.8% ± 0.9%, 93.4% ± 3.1% and 36.9% ± 11.7%, respectively, by 1 μmol/L CsA, and 80.2% ± 3.6%, 91.7% ± 2.6% and 32.7% ± 10.1%, respectively, by 1 μmol/L PSC833. In reverse transcription-polymerase chain reaction (RT-PCR) analysis, the low inhibitory effect of P-gp modulators in aggressive NK cell tumors did not correlate to the expression level of MDR1 gene, multidrug resistance-associated protein gene, or human canalicular multispecific organic anion transporter gene. This phenomenon could be related to the presence of other transporters or to unknown cellular or membrane changes. Some patients with NK cell tumors have been reported to show a highly aggressive clinical course and to be refractory to chemotherapy, and this could be related to the expression of P-gp on NK cells. Our results suggest that, although the inhibitors for P-gp have been used in combination with chemotherapy in some hematologic tumors, these inhibitors may be less effective against aggressive NK cell tumors.


Blood ◽  
1999 ◽  
Vol 93 (2) ◽  
pp. 599-606 ◽  
Author(s):  
Motoki Egashira ◽  
Norihiko Kawamata ◽  
Koichi Sugimoto ◽  
Takako Kaneko ◽  
Kazuo Oshimi

P-glycoprotein (P-gp), a transmembrane efflux pump encoded by theMDR1 gene, has been found to be expressed in many normal bone marrow and peripheral blood cells. Among normal leukocytes, CD3−CD16+ or CD3−CD56+ lymphocytes, ie, natural killer (NK) cells, express relatively high levels of P-gp, but little is known about P-gp in abnormally expanded NK cells. In this study, we examined the expression and activity of P-gp on NK cells derived from three normal donors, six patients with indolent NK cell-lineage granular lymphocyte-proliferative disorder (NK-GLPD), three patients with aggressive NK cell tumors (one NK cell leukemia and two nasal NK cell lymphoma), and two NK cell lines. By flow cytometric analysis using the monoclonal antibody (MoAb) MRK16 and rhodamine 123 dye (Rh123), P-gp expression and the efflux of Rh123 were found in all NK samples except one NK cell line. The Rh123 efflux of NK cells was inhibited by cyclosporin A (CsA) and its analogue PSC 833, but the aggressive NK tumor cells were less inhibited than were the other NK cells. The percent inhibition of efflux in the normal NK cells, indolent NK-GLPD cells and aggressive NK cell tumors was 81.8% ± 0.9%, 93.4% ± 3.1% and 36.9% ± 11.7%, respectively, by 1 μmol/L CsA, and 80.2% ± 3.6%, 91.7% ± 2.6% and 32.7% ± 10.1%, respectively, by 1 μmol/L PSC833. In reverse transcription-polymerase chain reaction (RT-PCR) analysis, the low inhibitory effect of P-gp modulators in aggressive NK cell tumors did not correlate to the expression level of MDR1 gene, multidrug resistance-associated protein gene, or human canalicular multispecific organic anion transporter gene. This phenomenon could be related to the presence of other transporters or to unknown cellular or membrane changes. Some patients with NK cell tumors have been reported to show a highly aggressive clinical course and to be refractory to chemotherapy, and this could be related to the expression of P-gp on NK cells. Our results suggest that, although the inhibitors for P-gp have been used in combination with chemotherapy in some hematologic tumors, these inhibitors may be less effective against aggressive NK cell tumors.


2000 ◽  
Vol 279 (6) ◽  
pp. G1188-G1200 ◽  
Author(s):  
Holly C. Walters ◽  
Ann L. Craddock ◽  
Hisae Fusegawa ◽  
Mark C. Willingham ◽  
Paul A. Dawson

The rat and mouse organic anion-transporting polypeptides (oatp) subtype 3 (oatp3) were cloned to further define components of the intestinal bile acid transport system. In transfected COS cells, oatp3 mediated Na+-independent, DIDS-inhibited taurocholate uptake (Michaelis-Menten constant ∼30 μM). The oatp3-mediated uptake rates and affinities were highest for glycine-conjugated dihydroxy bile acids. In stably transfected, polarized Madin-Darby canine kidney (MDCK) cells, oatp3 mediated only apical uptake of taurocholate. RT-PCR analysis revealed that rat oatp3, but not oatp1 or oatp2, was expressed in small intestine. By RNase protection assay, oatp3 mRNA was readily detected down the length of the small intestine as well as in brain, lung, and retina. An antibody directed to the carboxy terminus localized oatp3 to the apical brush-border membrane of rat jejunal enterocytes. The mouse oatp3 gene was localized to a region of mouse chromosome 6. This region is syntenic with human chromosome 12p12, where the human OATP-A gene was mapped, suggesting that rodent oatp3 is orthologous to the human OATP-A. These transport and expression properties suggest that rat oatp3 mediates the anion exchange-driven absorption of bile acids previously described for the proximal small intestine.


2004 ◽  
Vol 42 (08) ◽  
Author(s):  
A Geier ◽  
CG Dietrich ◽  
C Gartung ◽  
F Lammert ◽  
HE Wasmuth ◽  
...  

2021 ◽  
Vol 19 (1) ◽  
Author(s):  
Rong Zhang ◽  
Weitao Jiang ◽  
Xin Liu ◽  
Yanan Duan ◽  
Li Xiang ◽  
...  

Abstract Background Apple replant disease (ARD) has been reported from all major fruit-growing regions of the world, and is often caused by biotic factors (pathogen fungi) and abiotic factors (phenolic compounds). In order to clarify the proteomic differences of Fusarium moniliforme under the action of phloridzin, and to explore the potential mechanism of F. moniliforme as the pathogen of ARD, the role of Fusarium spp. in ARD was further clarified. Methods In this paper, the quantitative proteomics method iTRAQ analysis technology was used to analyze the proteomic differences of F. moniliforme before and after phloridzin treatment. The differentially expressed protein was validated by qRT-PCR analysis. Results A total of 4535 proteins were detected, and 293 proteins were found with more than 1.2 times (P< 0.05) differences. In-depth data analysis revealed that 59 proteins were found with more than 1.5 times (P< 0.05) differences, and most proteins were consistent with the result of qRT-PCR. Differentially expressed proteins were influenced a variety of cellular processes, particularly metabolic processes. Among these metabolic pathways, a total of 8 significantly enriched KEGG pathways were identified with at least 2 affiliated proteins with different abundance in conidia and mycelium. Functional pathway analysis indicated that up-regulated proteins were mainly distributed in amino sugar, nucleotide sugar metabolism, glycolysis/ gluconeogenesis and phagosome pathways. Conclusions This study is the first to perform quantitative proteomic investigation by iTRAQ labeling and LC-MS/MS to identify differentially expressed proteins in F. moniliforme under phloridzin conditions. The results confirmed that F. moniliforme presented a unique protein profile that indicated the adaptive mechanisms of this species to phloridzin environments. The results deepened our understanding of the proteome in F. moniliforme in response to phloridzin inducers and provide a basis for further exploration for improving the efficiency of the fungi as biocontrol agents to control ARD.


Sign in / Sign up

Export Citation Format

Share Document