Differentially Expressed Wound Healing-Related microRNAs in the Human Diabetic Cornea
Publication Date
December 20, 2013
Journal
PLOS ONE
Authors
Vincent A. Funari, Michael Winkler, Jordan Brown, Slobodan D. Dimitrijevich, et al
Volume
8
Issue
12
Pages
e84425
DOI
https://dx.plos.org/10.1371/journal.pone.0084425
Publisher URL
http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0084425
PubMed
http://www.ncbi.nlm.nih.gov/pubmed/24376808
PubMed Central
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3869828
Europe PMC
http://europepmc.org/abstract/MED/24376808
Web of Science
000328745100168
Scopus
84893183065
Mendeley
http://www.mendeley.com/research/differentially-expressed-wound-healingrelated-micrornas-human-diabetic-cornea
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Mendeley | Further Information

{"title"=>"Differentially expressed wound healing-related microRNAs in the human diabetic cornea", "type"=>"journal", "authors"=>[{"first_name"=>"Vincent A.", "last_name"=>"Funari", "scopus_author_id"=>"9436273600"}, {"first_name"=>"Michael", "last_name"=>"Winkler", "scopus_author_id"=>"56020855500"}, {"first_name"=>"Jordan", "last_name"=>"Brown", "scopus_author_id"=>"57194268826"}, {"first_name"=>"Slobodan D.", "last_name"=>"Dimitrijevich", "scopus_author_id"=>"6701476229"}, {"first_name"=>"Alexander V.", "last_name"=>"Ljubimov", "scopus_author_id"=>"7003550642"}, {"first_name"=>"Mehrnoosh", "last_name"=>"Saghizadeh", "scopus_author_id"=>"6602247871"}], "year"=>2013, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-84893183065", "pmid"=>"24376808", "sgr"=>"84893183065", "doi"=>"10.1371/journal.pone.0084425", "isbn"=>"1932-6203", "issn"=>"19326203", "pui"=>"372232118"}, "id"=>"8bdd25c8-c23e-3735-a659-ae8cb4858817", "abstract"=>"MicroRNAs are powerful gene expression regulators, but their corneal repertoire and potential changes in corneal diseases remain unknown. Our purpose was to identify miRNAs altered in the human diabetic cornea by microarray analysis, and to examine their effects on wound healing in cultured telomerase-immortalized human corneal epithelial cells (HCEC) in vitro. Total RNA was extracted from age-matched human autopsy normal (n=6) and diabetic (n=6) central corneas, Flash Tag end-labeled, and hybridized to Affymetrix(R) GeneChip(R) miRNA Arrays. Select miRNAs associated with diabetic cornea were validated by quantitative RT-PCR (Q-PCR) and by in situ hybridization (ISH) in independent samples. HCEC were transfected with human pre-miRmiRNA precursors (h-miR) or their inhibitors (antagomirs) using Lipofectamine 2000. Confluent transfected cultures were scratch-wounded with P200 pipette tip. Wound closure was monitored by digital photography. Expression of signaling proteins was detected by immunostaining and Western blot. Using microarrays, 29 miRNAs were identified as differentially expressed in diabetic samples. Two miRNA candidates showing the highest fold increased in expression in the diabetic cornea were confirmed by Q-PCR and further characterized. HCEC transfection with h-miR-146a or h-miR-424 significantly retarded wound closure, but their respective antagomirs significantly enhanced wound healing vs. controls. Cells treated with h-miR-146a or h-miR-424 had decreased p-p38 and p-EGFR staining, but these increased over control levels close to the wound edge upon antagomir treatment. In conclusion, several miRNAs with increased expression in human diabetic central corneas were found. Two such miRNAs inhibited cultured corneal epithelial cell wound healing. Dysregulation of miRNA expression in human diabetic cornea may be an important mediator of abnormal wound healing.", "link"=>"http://www.mendeley.com/research/differentially-expressed-wound-healingrelated-micrornas-human-diabetic-cornea", "reader_count"=>33, "reader_count_by_academic_status"=>{"Professor > Associate Professor"=>3, "Researcher"=>6, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>9, "Student > Postgraduate"=>2, "Student > Master"=>9, "Student > Bachelor"=>2}, "reader_count_by_user_role"=>{"Professor > Associate Professor"=>3, "Researcher"=>6, "Student > Doctoral Student"=>2, "Student > Ph. D. Student"=>9, "Student > Postgraduate"=>2, "Student > Master"=>9, "Student > Bachelor"=>2}, "reader_count_by_subject_area"=>{"Unspecified"=>2, "Engineering"=>2, "Biochemistry, Genetics and Molecular Biology"=>5, "Nursing and Health Professions"=>2, "Agricultural and Biological Sciences"=>14, "Medicine and Dentistry"=>5, "Neuroscience"=>2, "Physics and Astronomy"=>1}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>2}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>5}, "Neuroscience"=>{"Neuroscience"=>2}, "Physics and Astronomy"=>{"Physics and Astronomy"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>14}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>2}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>5}, "Unspecified"=>{"Unspecified"=>2}}, "reader_count_by_country"=>{"Hungary"=>1, "Denmark"=>1, "Mexico"=>1, "Portugal"=>1}, "group_count"=>1}

Scopus | Further Information

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Figshare

  • {"files"=>["https://ndownloader.figshare.com/files/1325069"], "description"=>"<p>Independent validation of differentially expressed miRNAs in <i>ex </i><i>vivo</i> diabetic corneas by Q-PCR. N, normal; DM, diabetic. Note increased expression of three miRNAs in diabetic samples. Bars represent SEM.</p>", "links"=>[], "tags"=>["validation", "differentially"], "article_id"=>883895, "categories"=>["Biological Sciences"], "users"=>["Vincent A. Funari", "Michael Winkler", "Jordan Brown", "Slobodan D. Dimitrijevich", "Alexander V. Ljubimov", "Mehrnoosh Saghizadeh"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0084425.g001"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Q_PCR_validation_of_differentially_expressed_miRNAs_/883895", "title"=>"Q-PCR validation of differentially expressed miRNAs.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-12-20 03:50:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/1325078"], "description"=>"<p><i>In </i><i>situ</i> hybridization with locked nucleic acid (LNA) modified probes was performed on sections of normal (A) and diabetic (B) corneas compared to scrambled sequences (with Cy3-labeled pre-miRNA). Diabetic corneas show somewhat elevated expression both in the central cornea and limbus. In the diabetic corneas, the miR-146a signal is stronger in the limbus than in the central cornea. Positive control in normal cornea (with U6 miRNA) is presented in panel C. Bar = 60 μm.</p>", "links"=>[], "tags"=>[], "article_id"=>883901, "categories"=>["Biological Sciences"], "users"=>["Vincent A. Funari", "Michael Winkler", "Jordan Brown", "Slobodan D. Dimitrijevich", "Alexander V. Ljubimov", "Mehrnoosh Saghizadeh"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0084425.g002"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_MiR_146a_expression_in_the_cornea_/883901", "title"=>"MiR-146a expression in the cornea.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-12-20 03:50:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/1325080"], "description"=>"<p>A. HCEC were transfected with pre-miR-146a, -424, and -145 (top panel) or their antagomirs, pre-miRNA inhibitors (bottom panel); for control, irrelevant Cy3-labeled pre-miRNA was used. HCEC were scratch wounded as indicated in Methods. Wound closure was quantified using ImageJ software at 20 hr after wounding for pre-miRNA transfected cells and at 24 hr for pre-miRNA antagomir transfected cells. Bars represent SEM. *, p < 0.05 vs. miR-Cy3. B. miR-146a decreased wound closure, whereas its antagomir significantly increased it at 20 h compared to control. Values are expressed as percentage of the initial wound area. Data are means of three independent experiments in triplicate. </p>", "links"=>[], "tags"=>["mirnas"], "article_id"=>883903, "categories"=>["Biological Sciences"], "users"=>["Vincent A. Funari", "Michael Winkler", "Jordan Brown", "Slobodan D. Dimitrijevich", "Alexander V. Ljubimov", "Mehrnoosh Saghizadeh"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0084425.g003"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Effect_of_miRNAs_on_wound_healing_/883903", "title"=>"Effect of miRNAs on wound healing.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-12-20 03:50:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/1325082"], "description"=>"<p>Total extracted protein from HCEC transfected with pre-miRNA precursors or their inhibitors (antagomirs, AM) and Cy3-labeled pre-miRNA (control) was separated on gradient SDS-PAGE gels, transferred to nitrocellulose and probed with antibodies to EGFR or p-EGFR. Antibodies to β-tubulin or β-actin were used as equal loading controls and for semi-quantitation. In both wounded and non-wounded HCEC, miR-146a mimic treatment decreased whereas its antagomir increased protein levels of p-EGFR (A,B). MiR-424 mimic and antagomir treatments did not change the expression of p-EGFR in non-wounded cells (A,B). However, in wounded cells, miR-424 mimic decreased whereas its antagomir increased protein levels of p-EGFR (A,B). In both wounded and non-wounded HCEC, miR-146a mimic treatment decreased whereas its antagomir significantly increased protein levels of total EGFR (C,D). MiR-424 mimic and antagomir treatments did not significantly change the expression of EGFR both in wounded and non-wounded cells (C,D). Band intensities were quantified using ImageJ software and plotted relative to the loading controls. Blots in A were developed with alkaline phosphatase system, blots in C, with ECL reagent. *, p < 0.05.</p>", "links"=>[], "tags"=>["blot", "egfr", "p-egfr", "transfected"], "article_id"=>883905, "categories"=>["Biological Sciences"], "users"=>["Vincent A. Funari", "Michael Winkler", "Jordan Brown", "Slobodan D. Dimitrijevich", "Alexander V. Ljubimov", "Mehrnoosh Saghizadeh"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0084425.g004"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Western_blot_analysis_of_EGFR_and_p_EGFR_expression_in_transfected_HCEC_/883905", "title"=>"Western blot analysis of EGFR and p-EGFR expression in transfected HCEC.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-12-20 03:50:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/1325083"], "description"=>"<p>Total extracted protein from HCEC transfected with pre-miRNA precursors or their inhibitors (antagomirs, AM) and Cy3-labeled pre-miRNA (control) was separated on SDS-PAGE gels, transferred to nitrocellulose and probed with antibodies to p38 or p-p38. Antibodies to β-actin or β-tubulin were used as equal loading control and for semi-quantitation. In both wounded and non-wounded HCEC, miR-146a mimic treatment decreased whereas its antagomir increased protein levels of p-p38 (A,B). MiR-424 mimic and antagomir treatments did not change the expression of p-p38 in non-wounded cells (A,B). However, in wounded cells, miR-424 mimic decreased whereas its antagomir increased protein level of p-p38 (A,B). MiR-146a and miR-424 mimic and their antagomir treatments did not change the expression of total p38 both in non-wounded (C) and wounded cells (D). Band intensities were quantified using ImageJ software and plotted relative to the loading controls. Vertical lines in C and D separate different parts of the same gel. Blots were developed with alkaline phosphatase system. *, p < 0.05.</p>", "links"=>[], "tags"=>["blot", "p38", "p-p38", "transfected"], "article_id"=>883906, "categories"=>["Biological Sciences"], "users"=>["Vincent A. Funari", "Michael Winkler", "Jordan Brown", "Slobodan D. Dimitrijevich", "Alexander V. Ljubimov", "Mehrnoosh Saghizadeh"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0084425.g005"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Western_blot_analysis_of_p38_and_p_p38_expression_in_transfected_HCEC_/883906", "title"=>"Western blot analysis of p38 and p-p38 expression in transfected HCEC.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-12-20 03:50:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/1325087"], "description"=>"<p>In wounded HCEC cultures, miR-424 elevated in diabetes decreased staining for p-p38, p-Akt and especially, for p-EGFR. Conversely, antagomir (AM) treatment increased the expression of all tested activated signaling intermediates above control levels. Exposure times are the same for all panels in a row. W, wound area. Bar = 60 μm.</p>", "links"=>[], "tags"=>["healing-related"], "article_id"=>883910, "categories"=>["Biological Sciences"], "users"=>["Vincent A. Funari", "Michael Winkler", "Jordan Brown", "Slobodan D. Dimitrijevich", "Alexander V. Ljubimov", "Mehrnoosh Saghizadeh"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0084425.g006"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_MiR_424_and_wound_healing_related_signaling_molecules_/883910", "title"=>"MiR-424 and wound healing-related signaling molecules.", "pos_in_sequence"=>0, "defined_type"=>1, "published_date"=>"2013-12-20 03:50:44"}
  • {"files"=>["https://ndownloader.figshare.com/files/1325089"], "description"=>"<div><p>MicroRNAs are powerful gene expression regulators, but their corneal repertoire and potential changes in corneal diseases remain unknown. Our purpose was to identify miRNAs altered in the human diabetic cornea by microarray analysis, and to examine their effects on wound healing in cultured telomerase-immortalized human corneal epithelial cells (HCEC) <i>in vitro</i>. Total RNA was extracted from age-matched human autopsy normal (n=6) and diabetic (n=6) central corneas, Flash Tag end-labeled, and hybridized to Affymetrix® GeneChip® miRNA Arrays. Select miRNAs associated with diabetic cornea were validated by quantitative RT-PCR (Q-PCR) and by <i>in situ</i> hybridization (ISH) in independent samples. HCEC were transfected with human pre-miR<sup>TM</sup>miRNA precursors (h-miR) or their inhibitors (antagomirs) using Lipofectamine 2000. Confluent transfected cultures were scratch-wounded with P200 pipette tip. Wound closure was monitored by digital photography. Expression of signaling proteins was detected by immunostaining and Western blot. Using microarrays, 29 miRNAs were identified as differentially expressed in diabetic samples. Two miRNA candidates showing the highest fold increased in expression in the diabetic cornea were confirmed by Q-PCR and further characterized. HCEC transfection with h-miR-146a or h-miR-424 significantly retarded wound closure, but their respective antagomirs significantly enhanced wound healing vs. controls. Cells treated with h-miR-146a or h-miR-424 had decreased p-p38 and p-EGFR staining, but these increased over control levels close to the wound edge upon antagomir treatment. In conclusion, several miRNAs with increased expression in human diabetic central corneas were found. Two such miRNAs inhibited cultured corneal epithelial cell wound healing. Dysregulation of miRNA expression in human diabetic cornea may be an important mediator of abnormal wound healing.</p> </div>", "links"=>[], "tags"=>["healing-related", "micrornas", "diabetic"], "article_id"=>883912, "categories"=>["Biological Sciences"], "users"=>["Vincent A. Funari", "Michael Winkler", "Jordan Brown", "Slobodan D. Dimitrijevich", "Alexander V. Ljubimov", "Mehrnoosh Saghizadeh"], "doi"=>["https://dx.doi.org/10.1371/journal.pone.0084425"], "stats"=>{"downloads"=>0, "page_views"=>0, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Differentially_Expressed_Wound_Healing_Related_microRNAs_in_the_Human_Diabetic_Cornea_/883912", "title"=>"Differentially Expressed Wound Healing-Related microRNAs in the Human Diabetic Cornea", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2013-12-20 03:50:44"}

PMC Usage Stats | Further Information

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  • {"unique-ip"=>"21", "full-text"=>"24", "pdf"=>"6", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"2", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"12"}
  • {"unique-ip"=>"13", "full-text"=>"12", "pdf"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2018", "month"=>"9"}
  • {"unique-ip"=>"8", "full-text"=>"10", "pdf"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"2"}
  • {"unique-ip"=>"12", "full-text"=>"12", "pdf"=>"6", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"3"}
  • {"unique-ip"=>"13", "full-text"=>"12", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"6", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"4"}
  • {"unique-ip"=>"16", "full-text"=>"19", "pdf"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2019", "month"=>"5"}

Relative Metric

{"start_date"=>"2013-01-01T00:00:00Z", "end_date"=>"2013-12-31T00:00:00Z", "subject_areas"=>[{"subject_area"=>"/Biology and life sciences", "average_usage"=>[269, 466, 588, 697, 800, 896, 988, 1076, 1165, 1254, 1340, 1417]}, {"subject_area"=>"/Biology and life sciences/Anatomy", "average_usage"=>[248, 440, 562, 666, 765, 856, 944, 1028, 1112, 1198, 1282, 1362, 1430]}, {"subject_area"=>"/Biology and life sciences/Developmental biology", "average_usage"=>[275, 472, 605, 720, 822, 921, 1013, 1106, 1200, 1289, 1378, 1459, 1531]}, {"subject_area"=>"/Medicine and health sciences", "average_usage"=>[264, 460, 584, 692, 794, 887, 978, 1067, 1154, 1241, 1328, 1408, 1474]}, {"subject_area"=>"/Medicine and health sciences/Anatomy", "average_usage"=>[248, 441, 564, 668, 769, 859, 948, 1034, 1117, 1202, 1290, 1368, 1437]}]}
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