Using next-generation RNA sequencing to examine ischemic changes induced by cold blood cardioplegia on the human left ventricular myocardium transcriptome

Jochen D. Muehlschlegel, Danos C. Christodoulou, David McKean, Joshua Gorham, Erica Mazaika, Mahyar Heydarpour, Grace Lee, Steven R. DePalma, Tjorvi E. Perry, Amanda A. Fox, Stanton K. Shernan, Christine E. Seidman, Sary F. Aranki, Jon G. Seidman, Simon C. Body

Research output: Contribution to journalArticle

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Abstract

Background: The exact mechanisms that underlie the pathological processes of myocardial ischemia in humans are unclear. Cardiopulmonary bypass with cardioplegic arrest allows the authors to examine the whole transcriptional profile of human left ventricular myocardium at baseline and after exposure to cold cardioplegia-induced ischemia as a human ischemia model. Methods: The authors obtained biopsies from 45 patients undergoing aortic valve replacement surgery at baseline and after an average of 79 min of cold cardioplegic arrest. Samples were RNA sequenced and analyzed with the Partek® Genomics Suite (Partek Inc., St. Louis, MO) for differential expression. Ingenuity Pathway Analysis (Ingenuity Systems, Redwood City, CA) and Biobase ExPlain (Biobase GmbH, Wolfenbuettel, Germany) systems were used for functional and pathway analyses. Results: Of the 4,098 genes with a mean expression value greater than 5, 90% were down-regulated and 9.1% were up-regulated. Of those, 1,241 were significantly differentially expressed. Gene ontology analysis revealed significant down-regulation in immune inflammatory response and complement activation categories and highly consistent was the down-regulation of intelectin 1, proteoglycan, and secretory leukocyte peptidase inhibitor. Up-regulated genes of interest were FBJ murine osteosarcoma viral oncogene homolog and the hemoglobin genes hemoglobin α1 (HBA1) and hemoglobin β. In addition, analysisof transcription factor-binding sites revealed interesting targets in factors regulating reactive oxygen species production, apoptosis,immunity, cytokine production, and inflammatory response.Conclusions: The authors have shown that the human left ventricle exhibits significant changes in gene expression inresponse to cold cardioplegia-induced ischemia during cardiopulmonary bypass, which provides great insight into thepathophysiology of ventricular ischemia, and thus, may help guide efforts to reduce myocardial damage during surgery.

Original languageEnglish (US)
Pages (from-to)537-550
Number of pages14
JournalAnesthesiology
Volume122
Issue number3
DOIs
StatePublished - Mar 4 2015

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RNA Sequence Analysis
Induced Heart Arrest
Transcriptome
Myocardium
Ischemia
Hemoglobins
Cardiopulmonary Bypass
Sequoia
Down-Regulation
Secretory Leukocyte Peptidase Inhibitor
Genes
Gene Ontology
Complement Activation
Osteosarcoma
Proteoglycans
Pathologic Processes
Genomics
Aortic Valve
Oncogenes
Heart Ventricles

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

Cite this

Muehlschlegel, J. D., Christodoulou, D. C., McKean, D., Gorham, J., Mazaika, E., Heydarpour, M., ... Body, S. C. (2015). Using next-generation RNA sequencing to examine ischemic changes induced by cold blood cardioplegia on the human left ventricular myocardium transcriptome. Anesthesiology, 122(3), 537-550. https://doi.org/10.1097/ALN.0000000000000582

Using next-generation RNA sequencing to examine ischemic changes induced by cold blood cardioplegia on the human left ventricular myocardium transcriptome. / Muehlschlegel, Jochen D.; Christodoulou, Danos C.; McKean, David; Gorham, Joshua; Mazaika, Erica; Heydarpour, Mahyar; Lee, Grace; DePalma, Steven R.; Perry, Tjorvi E.; Fox, Amanda A.; Shernan, Stanton K.; Seidman, Christine E.; Aranki, Sary F.; Seidman, Jon G.; Body, Simon C.

In: Anesthesiology, Vol. 122, No. 3, 04.03.2015, p. 537-550.

Research output: Contribution to journalArticle

Muehlschlegel, JD, Christodoulou, DC, McKean, D, Gorham, J, Mazaika, E, Heydarpour, M, Lee, G, DePalma, SR, Perry, TE, Fox, AA, Shernan, SK, Seidman, CE, Aranki, SF, Seidman, JG & Body, SC 2015, 'Using next-generation RNA sequencing to examine ischemic changes induced by cold blood cardioplegia on the human left ventricular myocardium transcriptome', Anesthesiology, vol. 122, no. 3, pp. 537-550. https://doi.org/10.1097/ALN.0000000000000582
Muehlschlegel, Jochen D. ; Christodoulou, Danos C. ; McKean, David ; Gorham, Joshua ; Mazaika, Erica ; Heydarpour, Mahyar ; Lee, Grace ; DePalma, Steven R. ; Perry, Tjorvi E. ; Fox, Amanda A. ; Shernan, Stanton K. ; Seidman, Christine E. ; Aranki, Sary F. ; Seidman, Jon G. ; Body, Simon C. / Using next-generation RNA sequencing to examine ischemic changes induced by cold blood cardioplegia on the human left ventricular myocardium transcriptome. In: Anesthesiology. 2015 ; Vol. 122, No. 3. pp. 537-550.
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AU - Gorham, Joshua

AU - Mazaika, Erica

AU - Heydarpour, Mahyar

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AU - DePalma, Steven R.

AU - Perry, Tjorvi E.

AU - Fox, Amanda A.

AU - Shernan, Stanton K.

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