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Genomes and Genes | Paul R CrisostomoSummaryAffiliation: Indiana University Country: USA Publications
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Publications
Stem cell mechanisms and paracrine effects: potential in cardiac surgeryPaul R Crisostomo
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Shock 28:375-83. 2007....
In the adult mesenchymal stem cell population, source gender is a biologically relevant aspect of protective powerPaul R Crisostomo
Department of Surgery, Indiana University School of Medicine, Indianapolis, Ind, USA
Surgery 142:215-21. 2007..Female MSCs produce more growth factor when stressed; therefore, we hypothesized that myocardial protection provoked by female MSCs would be greater than that elicited by male MSCs...
VEGF is critical for stem cell-mediated cardioprotection and a crucial paracrine factor for defining the age threshold in adult and neonatal stem cell functionTroy A Markel
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
Am J Physiol Heart Circ Physiol 295:H2308-14. 2008..Therefore, VEGF is a critical paracrine mediator in facilitating postischemic myocardial recovery and likely plays a role in mediating the observed age threshold during stem cell therapy...
Embryonic stem cells attenuate myocardial dysfunction and inflammation after surgical global ischemia via paracrine actionsPaul R Crisostomo
Departments of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Am J Physiol Heart Circ Physiol 295:H1726-35. 2008..Moreover, ESCs in cell culture demonstrated greater pluripotency than MSCs. ESC paracrine protective mechanisms in surgical ischemia are superior to those of adult stem cells...
TNFR1 signaling resistance associated with female stem cell cytokine production is independent of TNFR2-mediated pathwaysTroy A Markel
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Am J Physiol Regul Integr Comp Physiol 295:R1124-30. 2008..The absence of TNFR2 signaling appears to play a greater role in male MSC cytokine production. As a result, male, but not female stem cell cytokine production may be mediated through TNFR2 signaling cascades...
Human mesenchymal stem cells stimulated by TNF-alpha, LPS, or hypoxia produce growth factors by an NF kappa B- but not JNK-dependent mechanismPaul R Crisostomo
Departments of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
Am J Physiol Cell Physiol 294:C675-82. 2008..Moreover, ERK, JNK, and NF kappa B inhibitor alone did not activate MSC VEGF expression over controls. Various stressors activate human MSCs to increase VEGF, FGF2, HGF, and IGF-1 expression, which depends on an NFkB mechanism...
Gender differences in injury induced mesenchymal stem cell apoptosis and VEGF, TNF, IL-6 expression: role of the 55 kDa TNF receptor (TNFR1)Paul R Crisostomo
Department of Surgery, Indiana University School of Medicine, 545 Barnhill Drive, Emerson Hall 215, Indianapolis, IN 46202, USA
J Mol Cell Cardiol 42:142-9. 2007....
Proestrus female rats are more resistant to right ventricular pressure overloadRahul Sharma
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
Shock 30:318-23. 2008..Understanding these differences may allow for the implementation of novel therapeutic treatment options that are designed to attenuate RV cardiovascular collapse...
Mechanisms of sex differences in TNFR2-mediated cardioprotectionMeijing Wang
Departments of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
Circulation 118:S38-45. 2008....
The effects of endogenous sex hormones and acute hypoxia on vasoconstriction in isolated rat pulmonary artery ringsKetan M Patel
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
J Surg Res 146:121-6. 2008..Therefore, we measured isometric force displacement in normal males, castrated males, normal females, and ovarectomized females...
Are neonatal stem cells as effective as adult stem cells in providing ischemic protection?Troy A Markel
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
J Surg Res 152:325-30. 2009....
TGF-alpha increases human mesenchymal stem cell-secreted VEGF by MEK- and PI3-K- but not JNK- or ERK-dependent mechanismsYue Wang
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Am J Physiol Regul Integr Comp Physiol 295:R1115-23. 2008..Our data suggest that TGF-alpha increases VEGF production in MSCs via MEK- and PI3-K- but not ERK- or JNK-dependent mechanisms...
Selective estrogen receptor-alpha and estrogen receptor-beta agonists rapidly decrease pulmonary artery vasoconstriction by a nitric oxide-dependent mechanismTim Lahm
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Am J Physiol Regul Integr Comp Physiol 295:R1486-93. 2008..NO inhibition eliminates these effects, suggesting a central role for NO in mediating the pulmonary vascular effects of both ER-alpha and ER-beta...
beta-Blockers in sepsis: reexamining the evidenceNathan M Novotny
Departments of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
Shock 31:113-9. 2009..It is the purpose of this review to discuss the effects of beta-blockers on the following: (1) metabolism, (2) glucose regulation, (3) the inflammatory response, (4) cardiac function, and (5) mortality in sepsis...
Tumor necrosis factor receptor 1 signaling resistance in the female myocardium during ischemiaMeijing Wang
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Circulation 114:I282-9. 2006..Females have a lower incidence of heart failure and a higher heart failure survival than males. We hypothesized that TNFR1 signaling resistance occurs in the female myocardium during ischemia...
Estradiol-treated mesenchymal stem cells improve myocardial recovery after ischemiaGraham S Erwin
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
J Surg Res 152:319-24. 2009..We hypothesize that E2-exposed MSCs infused into hearts prior to ischemia may demonstrate increased vascular endothelial growth factor (VEGF) production and greater protection of myocardial function compared to untreated MSCs...
Stem cells improve right ventricular functional recovery after acute pressure overload and ischemia reperfusion injuryGeorge M Wairiuko
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
J Surg Res 141:241-6. 2007....
Ethyl pyruvate inhibits hypoxic pulmonary vasoconstriction and attenuates pulmonary artery cytokine expressionBen M Tsai
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
J Surg Res 145:130-4. 2008....
Activation of individual tumor necrosis factor receptors differentially affects stem cell growth factor and cytokine productionTroy A Markel
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Am J Physiol Gastrointest Liver Physiol 293:G657-62. 2007..TNF receptor ablation modifies BMSC cytokine production. Identifying the proper stimulus and signaling cascades for the production of desired growth factors may be beneficial in maximizing the therapeutic potential of stem cells...
High passage number of stem cells adversely affects stem cell activation and myocardial protectionPaul R Crisostomo
Department of Surgery, Center for Immunobiology, Indiana University School of Medicine, 545 Barnhill Drive, Indianapolis, IN 46202, USA
Shock 26:575-80. 2006..Acute murine MSC infusion confers protection in isolated rat hearts. However, high passage number has an adverse effect on MSC activation and protection. This portends limited ex vivo expansion before possible therapeutic use...
Deleterious effects of endogenous and exogenous testosterone on mesenchymal stem cell VEGF productionRinki Ray
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
Am J Physiol Regul Integr Comp Physiol 294:R1498-503. 2008..By manipulating the mechanisms that BMSCs use to produce growth factors, we may be able to engineer stem cells to produce maximum growth factors during therapeutic use...
Neonatal stem cells exhibit specific characteristics in function, proliferation, and cellular signaling that distinguish them from their adult counterpartsTroy A Markel
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
Am J Physiol Regul Integr Comp Physiol 294:R1491-7. 2008..Neonatal stem cells may aid in decreasing the local inflammatory response during ischemia, and could possibly be expanded more rapidly than adult cells prior to therapeutic use...
The effect of chronic exogenous androgen on myocardial function following acute ischemia-reperfusion in hosts with different baseline levels of sex steroidsUn Hui Nam
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
J Surg Res 142:113-8. 2007....
Exogenous estrogen rapidly attenuates pulmonary artery vasoreactivity and acute hypoxic pulmonary vasoconstrictionTim Lahm
Division of Pulmonary, Allergy, Critical Care and Occupational Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
Shock 30:660-7. 2008..A better understanding of how E2 modulates the pulmonary vasomotor response may allow for future therapeutic interventions in acute pulmonary hypertensive crises or in pulmonary arterial hypertension...
Iron chelation acutely stimulates fetal human intestinal cell production of IL-6 and VEGF while decreasing HGF: the roles of p38, ERK, and JNK MAPK signalingTroy A Markel
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Am J Physiol Gastrointest Liver Physiol 292:G958-63. 2007..Furthermore, chelator-induced intestinal epithelial cell cytokine expression depends on p38, ERK, and JNK MAPK pathways...
Estrogen receptor beta mediates acute myocardial protection following ischemiaMeijing Wang
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Surgery 144:233-8. 2008..It remains unknown, however, whether ER beta also may be protective following the more severe insult of complete global, normothermic ischemia/reperfusion injury in the isolated mouse heart...
Nitric oxide suppresses the secretion of vascular endothelial growth factor and hepatocyte growth factor from human mesenchymal stem cellsYue Wang
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Shock 30:527-31. 2008..This study constitutes an initial report regarding the effect of NO on human MSC growth factor production...
The effects of estrogen on pulmonary artery vasoreactivity and hypoxic pulmonary vasoconstriction: potential new clinical implications for an old hormoneTim Lahm
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
Crit Care Med 36:2174-83. 2008..A better mechanistic understanding may allow for future therapeutic interventions in pulmonary hypertensive crises after cardiac surgery and during acute lung injury as well as in patients with pulmonary arterial hypertension...
Sex dimorphisms in activated mesenchymal stem cell functionPaul R Crisostomo
Department of Surgery, Center for Immunobiology, Indiana University School of Medicine, 545 Barnhill Drive, Indianapolis, IN 46202, USA
Shock 26:571-4. 2006..Sex differences in progenitor cell function may have important implications in understanding the observed sex differences in the host's response to injury...
Human progenitor cells from bone marrow or adipose tissue produce VEGF, HGF, and IGF-I in response to TNF by a p38 MAPK-dependent mechanismMeijing Wang
Department of Surgery, Indiana University School of Medicine, IN, USA
Am J Physiol Regul Integr Comp Physiol 291:R880-4. 2006..These data demonstrate that progenitor cells are potent sources of VEGF, HGF, and IGF-I. TNF, a prominent tissue cytokine, strongly stimulated production of growth factors by hMSCs and hAPCs via a p38 MAPK-dependent mechanism...
TNF receptor 2, not TNF receptor 1, enhances mesenchymal stem cell-mediated cardiac protection following acute ischemiaMegan L Kelly
The Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Shock 33:602-7. 2010..TNFR1 signaling may damage MSC paracrine effects and decrease MSC-mediated cardioprotection, whereas TNFR2 likely mediates beneficial effects in MSCs...
Females exhibit relative resistance to depressive effects of tumor necrosis factor-alpha on the myocardiumIan C Sando
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
J Surg Res 150:92-9. 2008....
The critical role of vascular endothelial growth factor in pulmonary vascular remodeling after lung injuryTim Lahm
Departments of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA
Shock 28:4-14. 2007....
Postischemic infusion of 17-beta-estradiol protects myocardial function and viabilityAndrew M Terrell
Department of Surgery, Indiana University School of Medicine, 545 Barnhill Drive, Emerson Hall 203, Indianapolis, IN 46202, USA
J Surg Res 146:218-24. 2008..We hypothesize that postischemic administration of 17beta-estradiol will decrease myocardial ischemia/reperfusion injury and improve left ventricular cardiac function...
Angiopoietin-1 in the treatment of ischemia and sepsisNathan M Novotny
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Shock 31:335-41. 2009....
Therapeutic concepts for hypoxic pulmonary vasoconstriction involving ion regulation and the smooth muscle contractile apparatusEric D Morrell
Sections of General and Cardiothoracic Surgery, Department of Surgery, Indiana University Medical Center, Indianapolis, IN 46202, USA
J Mol Cell Cardiol 40:751-60. 2006....
Right ventricular TNF resistance during endotoxemia: the differential effects on ventricular functionTroy A Markel
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
Am J Physiol Regul Integr Comp Physiol 293:R1893-7. 2007..No significant differences in IL-6, TNFR1, or TNFR2 levels were noted between endotoxin-exposed ventricles. This is the first study to demonstrate that right and left ventricular function differs after endotoxin exposure...
Stem cells as a potential future treatment of pediatric intestinal disordersTroy A Markel
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
J Pediatr Surg 43:1953-63. 2008....
Selective protein kinase C inhibition attenuates pulmonary artery cytokine expression without affecting hypoxic pulmonary vasoconstrictionBen M Tsai
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
Shock 27:36-9. 2007....
Differential IL-6 and VEGF secretion in adult and neonatal mesenchymal stem cells: role of NFkBNathan M Novotny
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
Cytokine 43:215-9. 2008..VEGF and IL-6 secretion in aBMSCs is dependent on the classic NFkB pathway. However, neonatal BMSC VEGF and IL-6 secretion is stimulant-specific and utilization of the NFkB pathway is more complex...
Stem cell therapy in myocardial repair and remodelingNathan M Novotny
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
J Am Coll Surg 207:423-34. 2008
Pretreatment with adult progenitor cells improves recovery and decreases native myocardial proinflammatory signaling after ischemiaMeijing Wang
Department of Surgery, Indiana University Medical Center, Indianapolis, IN, USA
Shock 25:454-9. 2006..These findings may not only have mechanistic implications regarding the benefit of progenitor cells but may also have clinical therapeutic implications before planned ischemic events...
Toll-like receptor signaling pathways and the evidence linking toll-like receptor signaling to cardiac ischemia/reperfusion injuryYue Wang
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
Shock 34:548-57. 2010..We review our current understanding of the TLR signaling pathways and their roles in the pathophysiology of cardiac ischemia/reperfusion injury, as well as discuss several mechanisms for TLR activation and regulation...
Vascular endothelial growth factor improves myocardial functional recovery following ischemia/reperfusion injuryMichael J Guzman
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
J Surg Res 150:286-92. 2008..We hypothesize that infusion of exogenous VEGF immediately prior to ischemia will improve myocardial functional recovery...
The right heart and its distinct mechanisms of development, function, and failureTroy A Markel
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
J Surg Res 146:304-13. 2008....
Endogenous estrogen attenuates pulmonary artery vasoreactivity and acute hypoxic pulmonary vasoconstriction: the effects of sex and menstrual cycleTim Lahm
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
Am J Physiol Endocrinol Metab 293:E865-71. 2007..05). We conclude that sex and menstrual cycle affect PA vasoconstriction in isolated PA rings. Even physiological increases in circulating estrogen levels attenuate PA vasoconstriction under both normoxic and hypoxic conditions...
Jak/STAT/SOCS signaling circuits and associated cytokine-mediated inflammation and hypertrophy in the heartAndrew M Terrell
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
Shock 26:226-34. 2006....
The struggle for iron: gastrointestinal microbes modulate the host immune response during infectionTroy A Markel
Department of Surgery, Indiana University School of Medicine, Emerson Hall 215, Indianapolis, IN 46202, USA
J Leukoc Biol 81:393-400. 2007..This review will describe the immune response to gastrointestinal infection, the mechanisms that the gastrointestinal system uses to absorb intraluminal iron, and the critical role iron plays in the infectious process...
Preconditioning versus postconditioning: mechanisms and therapeutic potentialsPaul R Crisostomo
Department of Surgery, Indiana University School of Medicine, Indianapolis, IN, USA
J Am Coll Surg 202:797-812. 2006
Postconditioning in females depends on injury severityPaul R Crisostomo
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
J Surg Res 134:342-7. 2006..The attractive potential for the clinical application of postconditioning, however, warrants further studies to elucidate the mechanistic pathways and differences in males and female rats...
Surgically relevant aspects of stem cell paracrine effectsPaul R Crisostomo
Department of Surgery, Indiana University School of Medicine, Indianapolis, Ind, USA
Surgery 143:577-81. 2008
Sex steroids and stem cell functionRinki Ray
Department of Surgery, Indiana University School of Medicine, Indianapolis, Indiana, USA
Mol Med 14:493-501. 2008..In this review, we focus on the effects of estrogen and testosterone on various stem and progenitor cell types, and their relevant intracellular mechanisms...
Experimental therapies for hypoxia-induced pulmonary hypertension during acute lung injuryEric D Morrell
Section of Cardiothoracic Surgery, Department of Surgery, Indiana University Medical Center, Indianapolis, Indiana
Shock 25:214-26. 2006....
Cytokines in necrotizing enterocolitisTroy A Markel
Department of Surgery, Indiana University School of Medicine, the Indiana Center for Vascular Biology and Medicine, Indianapolis, IN, USA
Shock 25:329-37. 2006..This article will therefore focus on the key cytokines involved with NEC, in an attempt to present the current literature and studies that support their involvement...
p38 mitogen-activated protein kinase mediates the sustained phase of hypoxic pulmonary vasoconstriction and plays a role in phase I vasodilationEric D Morrell
Department of Surgery, Section of Cardiothoracic Surgery, Indiana University Medical Center, Indianapolis, Indiana, USA
J Surg Res 134:335-41. 2006..We conclude that p38 MAP kinase may be a key mediator in the pathogenesis of HPV and that further understanding may lead to new therapies for HPV associated with acute lung injury...
Left ventricular rupture: immediately before and afterPaul R Crisostomo
VA Medical Center and Indiana University School of Medicine, Indianapolis, IN, USA
J Am Coll Surg 207:784. 2008
Brief exposure to exogenous testosterone increases death signaling and adversely affects myocardial function after ischemiaPaul R Crisostomo
Department of Surgery, Indiana University School of Medicine, Indianapolis, USA
Am J Physiol Regul Integr Comp Physiol 290:R1168-74. 2006....
Stem cell delivery to the heart: clarifying methodology and mechanismPaul R Crisostomo
Crit Care Med 35:2654-6. 2007
