Research Topics
| Ashwani KhannaSummaryAffiliation: University of Maryland Country: USA Publications
Research Grants
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Detail Information
Publications
Enhanced susceptibility of cyclin kinase inhibitor p21 knockout mice to high fat diet induced atherosclerosisAshwani K Khanna
Department of Medicine Cardiology, University of Maryland, Baltimore, USA
J Biomed Sci 16:66. 2009..This opens the possibility of p21 protein as a therapeutic tool to control progression of atherosclerosis...
Targeted in vitro and in vivo gene transfer into T lymphocytes: potential of direct inhibition of allo-immune activationAshwani K Khanna
Department of Medicine, Division of Cardiology, University of Maryland, Baltimore, MD 21201, USA
BMC Immunol 7:26. 2006..Lymphocyte proliferation was quantified by 3H-thymidine uptake assay; IL-2 mRNA expression was studied by RT-PCR and using Real Time PCR assay, we monitored the CD3, p21, TNF-alpha and IFN-gamma mRNA expression...
NADPH oxidase subunits (NOX-1, p22phox, Rac-1) and tacrolimus-induced nephrotoxicity in a rat renal transplant modelAshwani K Khanna
Division of Cardiology, University of Maryland, 22 S Greene Street S 3B08, Baltimore, MD 21201, USA
Nephrol Dial Transplant 22:376-85. 2007..We examined whether anti-TGF-beta antibody limits nephrotoxicity produced by tacrolimus (TAC) and whether this altered genes that regulate oxidative stress...
Expression of TGF-beta and fibrogenic genes in transplant recipients with tacrolimus and cyclosporine nephrotoxicityAshwani Khanna
Department of Medicine, Division of Nephrology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
Kidney Int 62:2257-63. 2002....
Wideband high-frequency echocardiography to evaluate myocardial infarct sizeJianping Xu
Division of Cardiology, University of Maryland School of Medicine, 655 W Baltimore St, Baltimore, MD 21201, USA
J Ultrasound Med 28:1527-34. 2009..This study was designed to validate the feasibility of wideband high-frequency ultrasound imaging to resolve in vivo the degree, location, and morphologic changes of myocardial infarction (MI) in a rat model...
Reciprocal role of cyclins and cyclin kinase inhibitor p21WAF1/CIP1 on lymphocyte proliferation, allo-immune activation and inflammationAshwani K Khanna
Department of Medicine Nephrology, Medical College of Wisconsin, Milwaukee, WI 53226, USA
BMC Immunol 6:22. 2005..We hypothesize that the cell cycle control and inflammation are parallel events, inhibition of cellular proliferation by cyclin kinase inhibitor specifically p21 will limit inflammation and prevent allograft rejection...
Post-translational modification of manganese superoxide dismutase in acutely rejecting cardiac transplants: role of inducible nitric oxide synthaseVani Nilakantan
Division of Transplant Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
J Heart Lung Transplant 24:1591-9. 2005..In this study, we examined the effect of inducible nitric oxide synthase (iNOS) on MnSOD expression, activity and nitration in acutely rejecting cardiac transplants...
Antagonizing reactive oxygen by treatment with a manganese (III) metalloporphyrin-based superoxide dismutase mimetic in cardiac transplantsVani Nilakantan
Department of Surgery, Division of Transplant Surgery, Medical College of Wisconsin, Milwaukee, Wis 53226, USA
J Thorac Cardiovasc Surg 131:898-906. 2006..CONCLUSIONS: The mechanism of the beneficial effect of MnTmPyP on graft function appear related, in part, to scavenging O2*- and by decreasing apoptotic signaling rather than an effect on inflammatory cytokine gene expression...
Beneficial effect of alpha-tocopheryl succinate in rat cardiac transplantsThanh K Nguyen
Department of Surgery, Division of Transplant Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin 53226, USA
J Heart Lung Transplant 25:707-15. 2006..This might explain the equipotent action of alpha-TPGS vs low-dose CsA and its action to potentiate graft survival and limit graft rejection and dysfunction...
Nitric oxide formation in acutely rejecting cardiac allografts correlates with GTP cyclohydrolase I activityGalen M Pieper
Division of Transplant Surgery, Department of Surgery, Medical College of Wisconsin, Milwaukee, WI, USA
Biochem J 391:541-7. 2005..These findings provide insight into a potential pathway regulating NO bioactivity in graft rejection. Such knowledge may potentially assist in the design of newer strategies to prevent acute graft rejection...
Recombinant p21 protein inhibits lymphocyte proliferation and transcription factorsAshwani K Khanna
Department of Medicine, Medical College of Wisconsin, Milwaukee, WI 53226, USA
J Immunol 174:7610-7. 2005....
Protective mechanisms of a metalloporphyrinic peroxynitrite decomposition catalyst, WW85, in rat cardiac transplantsGalen M Pieper
Division of Transplant Surgery, Medical College of Wisconsin, 9200 West Wisconsin Avenue, Milwaukee, Wisconsin 53226, USA
J Pharmacol Exp Ther 314:53-60. 2005..Rather, effects seem to be downstream on decreased protein nitration, decreased lipid peroxidation, and decreased PARP activation...
Anti-transforming growth factor antibody at low but not high doses limits cyclosporine-mediated nephrotoxicity without altering rat cardiac allograft survival: potential of therapeutic applicationsAshwani K Khanna
Division of Nephrology, Medical College of Wisconsin, 8701 Watertown Plank Rd, Milwaukee, WI 53226, USA
Circulation 110:3822-9. 2004..Transforming growth factor-beta (TGF-beta) is one of the most potent mediators of the fibrogenic effects of cyclosporine...
Treatment with {alpha}-phenyl-N-tert-butylnitrone, a free radical-trapping agent, abrogates inflammatory cytokine gene expression during alloimmune activation in rat cardiac allograftsGalen M Pieper
Division of Transplant Surgery, Medical College of Wisconsin, 9200 West Wisconsin Avenue, Milwaukee, WI 53226, USA
J Pharmacol Exp Ther 312:774-9. 2005..Thus, PBN retains significant anti-inflammatory properties through its action to down-regulate cytokine gene expression that contribute to protection against acute alloimmune activation in cardiac allografts...
Mechanisms of the protective action of diethyldithiocarbamate-iron complex on acute cardiac allograft rejectionGalen M Pieper
Division of Transplant Surgery, Medical College of Wisconsin, 9200 W Wisconsin Avenue, Milwaukee, WI 53226, USA
Am J Physiol Heart Circ Physiol 284:H1542-51. 2003..Gene expression for the proinflammatory cytokine interferon-gamma was also decreased by DETC-Fe. Thus DETC-Fe limits NF-kappaB-dependent gene expression and possesses significant immunosuppressive properties...
The immunosuppressive agent tacrolimus induces p21WAF/CIP1WAF1/CIP1 via TGF-beta secretionAshwani K Khanna
Medical College of Wisconsin, 8701, Watertown Plank Road, Milwaukee, WI 53226, USA
Biochem Biophys Res Commun 303:266-72. 2003..Strategies involving p21WAF/CIP1 induction should be considered a viable alternative strategy to achieve immunosuppression possibly with reduced toxicity associated with current immunosuppression...
Analysis of transforming growth factor-beta and profibrogenic molecules in a rat cardiac allograft model treated with cyclosporineAshwani K Khanna
Department of Medicine (Nephrology, Medical College of Wisconsin, Milwaukee, Wisconsin 53215, USA
Transplantation 73:1543-9. 2002..Therapies designed to inhibit expression of TGF-beta could ameliorate CsA-associated nephrotoxicity in cardiac transplant recipients...
TGF-beta1, FGF-2, and receptor mRNA expression in suture mesenchyme and dura versus underlying brain in fusing and nonfusing mouse cranial suturesArun K Gosain
Department of Plastic and Reconstructive Surgery, Medical College of Wisconsin, 9200 W Wisconsin Avenue, Milwaukee, WI 53226, USA
Plast Reconstr Surg 113:1675-84. 2004..Understanding these differences may eventually help to identify possible targets and time windows by which to most effectively modulate cranial suture fusion...
Inhibition of nitrosylation, nitration, lymphocyte proliferation, and gene expression in acute and delayed cardiac allograft rejection by an orally active dithiocarbamateGalen M Pieper
Department of Surgery Division of Transplant Surgery, Medical College of Wisconsin, Milwaukee, WI 53226, USA
J Cardiovasc Pharmacol 43:522-30. 2004..These studies suggest that NOX-700 is protective in cardiac rejection, in part, by scavenging of NO and by limiting lymphocyte activation infiltration...
Variable efficacy of N6-(1-iminoethyl)-L-lysine in acute cardiac transplant rejectionGalen M Pieper
Division of Transplant Surgery, Department of Surgery, Cardiovascular Center, Medical College of Wisconsin, Milwaukee 53226, USA
Am J Physiol Heart Circ Physiol 286:H525-34. 2004..These studies have important implications in understanding the dual role of NO in acute rejection and help to reconcile discrepancies in the literature...
Research Grants
- TGF-BETA AND IMMUNOSUPPRESSION IN ORGAN TRANSPLANTATIONAshwani Khanna; Fiscal Year: 2002..These studies will directly determine the role (if any) of the TGF-B and/or p21 pathways in the efficacy, and TGF-B in the toxicity, induced by CsA and tacrolimus. ..
