Research Topics
Species | Pravin SinghalSummaryAffiliation: Long Island Jewish Medical Center Country: USA Publications
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Publications
Vasoactive agents modulate migration of monocytes across glomerular endothelial cellsP C Singhal
Department of Medicine, Long Island Jewish Medical Center, New Hyde Park, NY 11040, USA
J Investig Med 48:110-7. 2000..In both human and experimental animal models of focal glomerulosclerosis (FSGS), infiltration of macrophages in the mesangium has been considered key in the development of FSGS...
Role of p38 mitogen-activated protein kinase phosphorylation and Fas-Fas ligand interaction in morphine-induced macrophage apoptosisPravin C Singhal
Immunology and Inflammation Center, North Shore Long Island Jewish Research Institute and Division of Kidney Diseases and Hypertension, Long Island Jewish Medical Center, New Hyde Park, NY 11040, USA
J Immunol 168:4025-33. 2002..Both TGF-beta and inducible NO synthase play an important role in morphine-induced downstream signaling, which seems to activate proteins involved in both extrinsic (Fas and FasL) and intrinsic (p53 and Bax) cell death pathways...
Vancomycin-induced acute granulomatous interstitial nephritis: therapeutic optionsSusana Hong
Departments of Medicine and Pathology, Long Island Jewish Medical Center, 410 Lakeville Road, New Hyde Park, NY 11042, USA
Am J Med Sci 334:296-300. 2007..In the index case, we have evaluated the effect of treatment on the basis of the type of cellular infiltrates and provided a follow-up by carrying out the repeat biopsy...
Monocyte apoptosis in dialysis patients is Fas ligand-mediatedR Ranjan
Department of Medicine, Long Island Jewish Medical Center, New Hyde Park, New York 11040, USA
Clin Nephrol 58:423-30. 2002..The mononuclear phagocyte system plays an important role in host defense. Since dialysis patients have been reported to show enhanced leukocytes apoptosis, we evaluated the mechanism of increased apoptosis of monocytes in dialysis patients...
Morphine modulates HIV-1 gp160-induced murine macrophage and human monocyte apoptosis by disparate waysAditi A Kapasi
Immunology and Inflammation Center, North Shore LIJ Research Institute, The Division of Kidney Disease and Hypertension, Long Island Jewish Medical Center, New Hyde Park, NY 11040, USA
J Neuroimmunol 148:86-96. 2004..On the other hand, free radical scavengers such as superoxide dismutase (SOD), dimethylthiourea (DMTU) and catalase attenuated morphine and gp160-induced human monocyte apoptosis...
Nitric oxide and superoxide in rat mesangial cells: modulation by C-reactive proteinHoward Trachtman
Department of Pediatrics Division of Nephrology, Schneider Children s Hospital, Albert Einstein College of Medicine, New Hyde Park, NY 11040 1432, USA
Pediatr Nephrol 21:619-26. 2006..C-reactive protein (CRP) has been linked to cardiovascular and renal disease. We evaluated the effects of CRP on the production of nitric oxide (NO) and superoxide by rat mesangial cells (RMC) and the impact on cell function...
Angiotensin II induces apoptosis in rat glomerular epithelial cellsGuohua Ding
Department of Medicine, Long Island Jewish Medical Center, The Long Island Campus for the Albert Einstein College of Medicine, New Hyde Park, New York 11040, USA
Am J Physiol Renal Physiol 283:F173-80. 2002..These studies suggest that ANG II induces GEC apoptosis by a mechanism involving TGF-beta1 expression that may, importantly, contribute to the pathogenesis of glomerulosclerosis...
Nitric oxide and tubulointerstitial nephritidesJoseph Mattana
Research Institute, North Shore Long Island Jewish Health System, Manhasset, NY, USA
Semin Nephrol 24:345-53. 2004..In this review we discuss some of the recent contributions to this important field...
Morphine-induced macrophage apoptosis: oxidative stress and strategies for modulationRajani S Bhat
Long Island Jewish Medical Center, 410 Lakeville Road, Suite 207, New Hyde Park, NY 11040, USA
J Leukoc Biol 75:1131-8. 2004....
HIV-1 gp120-induced tubular epithelial cell apoptosis is mediated through p38-MAPK phosphorylationAditi A Kapasi
Immunology and Inflammation Center for Excellence, North Shore-Long Island Jewish Research Institute, Manhasset, New York 11040, USA
Mol Med 8:676-85. 2002..CONCLUSION: Gp120 through interaction with CD4 triggers tubular cell apoptosis. This effect of gp120 on tubular cells is mediated through phosphorylation of p38 MAPK...
Angiotensin II induces apoptosis in renal proximal tubular cellsMadhu Bhaskaran
Department of Medicine, Long Island Jewish Medical Center, The Long Island Campus for the Albert Einstein College of Medicine, New Hyde Park, New York 11040, USA
Am J Physiol Renal Physiol 284:F955-65. 2003..Modulation of tubular cell expression of HO-1 has an inverse relationship with the ANG II-induced tubular cell apoptosis...
Morphine-induced degradation of the host defense barrier role of intestinal mucosal injuryLia Frenklakh
Department of Medicine, North Shore University Hospital and Long Island Jewish Medical Center, New Hyde Park, New York 11042, USA
Dig Dis Sci 51:318-25. 2006..These findings suggest that morphine-induced intestinal injury is mediated through NO generation. However, the degradation of the host defense barrier correlates with macrophage injury, but not intestinal injury...
Morphine modulates monocyte-macrophage conversion phaseIkuske Hatsukari
Long Island Jewish Medical Center, New Hyde Park, NY 11040, USA
Cell Immunol 239:41-8. 2006..These findings suggest that the PMA-induced macrophage phenotype conversion may be accelerating their migration; whereas, morphine may be preventing the migration of monocytes by inhibiting MMCP...
Cocaine-induced renal diseaseMichael D Gitman
Long Island Jewish Medical Center, Division of Kidney Diseases and Hypertension, 410 Lakeville Road, 207 New Hyde Park, New York, NY11042, USA
Expert Opin Drug Saf 3:441-8. 2004..This article will review the spectrum of cocaine-induced kidney disease and attempt to give insight into the pathophysiological mechanisms involved...
Ethanol promotes T cell apoptosis through the mitochondrial pathwayAditi A Kapasi
Department of Medicine, Long Island Jewish Medical Center, New Hyde Park, NY 11040, USA
Immunology 108:313-20. 2003..In addition, binge drinking induced the cleavage of caspase-3, suggesting activation of caspase-3 in T cells. These results suggest that ethanol promotes T cell apoptosis through the activation of intrinsic or mitochondrial pathway...
Morphine-induced macrophage apoptosis modulates migration of macrophages: use of in vitro model of urinary tract infectionAftab A Malik
Department of Urology, Long Island Jewish Medical Center, New Hyde Park, New York 11040, USA
J Endourol 16:605-10. 2002..CONCLUSION: Morphine inhibits macrophage migration both in vivo and in vitro. This attenuated transmigration of macrophages seems to be secondary to the apoptotic effect of morphine...
Immune response to laparoscopic bowel injuryJoel Patrick A Aldana
Department of Urology, Long Island Jewish Medical Center, New Hyde Park, New York, USA
J Endourol 17:317-22. 2003..The difference in the degree of cellular death may be secondary to a smaller degree of stimulation of the immune response in laparoscopic surgery...
HIV-1 and kidney cells: better understanding of viral interactionJoanna Mikulak
Feinstein Institute for Medical Research and Long Island Jewish Medical Center, New Hyde Park, NY, USA
Nephron Exp Nephrol 115:e15-21. 2010..It appears that the presence of specific genetic and host factors in in vivo conditions may be facilitating the development of the productive HIV-1 infection in kidney cells...
Morphine priming rescues high-dose morphine-induced biological perturbationsMadhu Bhaskaran
North Shore University Hospital, Immunology and Inflammation Center, Feinstein Institute for Medical Research, Manhasset, NY, USA
J Infect Dis 195:1860-9. 2007..These results suggest that MP provides protection against HDM-induced degradation of the host defense barrier through preservation of macrophage function...
p300 modulates HIV-1 gp120-induced apoptosis in human proximal tubular cells: associated with alteration of TGF-beta and Smad signalingAditi A Kapasi
Division of Nephrology, Department of Medicine, Long Island Jewish Medical Center, The Long Island Campus, Albert Einstein College of Medicine, New Hyde Park, NY, USA
Nephron Exp Nephrol 102:e30-8. 2006..In addition, HIV-1 gp120 results in phosphorylation of Smad2 and decreases c-Jun. These findings suggest that p300 acts as a potent transcriptional cofactor in HIV-1 gp120-induced apoptosis via TGF-beta and Smad signaling...
Inhibition of p66ShcA longevity gene rescues podocytes from HIV-1-induced oxidative stress and apoptosisMohammad Husain
Department of Medicine, Division of Kidney Diseases and Hypertension, North Shore Long Island Jewish Health System, New Hyde Park, New York 11040, USA
J Biol Chem 284:16648-58. 2009..We conclude that inhibition of p66ShcA redox activity prevents generation of HIV-1 stress signals and activation of the CIDHP apoptosis program...
Dialysis membrane-induced oxidative stress: role of heme oxygenase-1Madhu Bhaskaran
Division of Kidney Diseases and Hypertension, North Shore University Hospital, Manhasset and Long Island Jewish Medical Center, New Hyde Park, NY, USA
Nephron Exp Nephrol 105:e24-32. 2007..We suggest that oxidative injury associated with dialysis membrane and monocyte interaction plays a role in monocyte injury. Pre-induction of HO-1 may attenuate dialysis membrane-induced monocyte apoptosis...
Role of heme oxygenase-1 in morphine-modulated apoptosis and migration of macrophagesKalpesh Patel
Department of Medicine, Long Island Jewish Medical Center, New Hyde Park, New York 11040, USA
J Infect Dis 187:47-54. 2003..In in vitro studies, pretreatment of macrophages with hemin exacerbated morphine-induced apoptosis, whereas pretreatment with zinc protoporphyrin attenuated morphine-induced macrophage apoptosis...
Hepatocyte growth factor modulates H2O2-induced mesangial cell apoptosis through induction of heme oxygenase-1Neetu Radhakrishnan
Department of Medicine, Long Island Jewish Medical Center, New Hyde Park, NY 11042, USA
Nephron Physiol 101:p92-8. 2005..These findings suggest that H2O2-induced apoptosis occurs through the mitochondrial pathway. HGF provides protection against H2O2-induced MMC apoptosis through induction of HO-1...
Immunomodulatory effect of morphine: therapeutic implicationsAmit Dinda
Department of Medicine, Long Island Jewish Medical Center, 410 Lakeville Road, New Hyde Park, NY 11040, USA
Expert Opin Drug Saf 4:669-75. 2005..It may encourage further clinical studies to elucidate the influence of morphine treatment on immune regulation in different specialties of medicine...
Role of oxidative stress and heme oxygenase activity in morphine-induced glomerular epithelial cell growthJaimita Patel
Immunology and Inflammation Center for Excellence, North Shore Long Island Jewish Research Institute, New Hyde Park, NY 11040, USA
Am J Physiol Renal Physiol 285:F861-9. 2003..Morphine, de novo, had bimodal effects on HO activity: lower concentrations increased and higher concentrations decreased HO activity. It appears that HO activity may be modifying morphine-induced GEC growth...
Tubular cell-Escherichia coli interaction products modulate migration of monocytes through generation of transforming growth factor-beta and macrophage-monocyte chemoattractant protein-1Aftab A Malik
Department of Urology, Long Island Jewish Medical Center, New Hyde Park, New York 11040, USA
J Endourol 16:599-603. 2002..We hypothesized that bacteria activate tubular cells to secrete cytokines, which may promote migration of mononuclear cells at the site of interaction...
HIVAN phenotype: consequence of epithelial mesenchymal transdifferentiationAnju Yadav
Immunonlogy Center, Feinstein Institute for Medical Research, North Shore Long Island Jewish Health System, Manhasset, New York, USA
Am J Physiol Renal Physiol 298:F734-44. 2010..Similarly, TRM showed diminished expression of alpha-SMA and FSP1 by both PECs-PGCs and TCs-PTCs compared with SRM. We conclude that EMT contributes to the manifestation of the proliferative phenotype in HIVAN mice...
Morphine reciprocally regulates IL-10 and IL-12 production by monocyte-derived human dendritic cells and enhances T cell activationDavorka Messmer
Laboratory of Experimental Immunology, The Feinstein Institute for Medical Research, 350 Community Drive, Manhasset, NY, USA
Mol Med 12:284-90. 2006..The change in surface phenotype was paralleled by a p38 MAPK-dependent decrease in IL-10 and increase in IL-12 secretion. Our data indicate that morphine exerts an immunostimulatory effect by modulating LPS-induced DC maturation...
Protease inhibitors modulate apoptosis in mesangial cells derived from a mouse model of HIVANAnil Mongia
Department of Pediatrics, SUNY Downstate Medical Center, Brooklyn, New York, USA
Kidney Int 65:860-70. 2004..CONCLUSION: Oxidative stress seems to play a role in the accelerated rate of HTrMC apoptosis both under basal and MSS. Saquinavir may be inhibiting HTrMC apoptosis by mitigating oxidative stress...
Angiotensin II infusion induces nephrin expression changes and podocyte apoptosisJunya Jia
Division of Nephrology, Renmin Hospital, Wuhan University, Wuhan, China
Am J Nephrol 28:500-7. 2008..The present study evaluates the effects of Ang II infusion in rats on podocyte nephrin expression and apoptosis and the molecular mechanisms involved in Ang II-induced proteinuria and mesangial expansion...
HIV-1 expression induces tubular cell G2/M arrest and apoptosisHimanshu Vashistha
Immunology and Inflammation Center, Feinstein Institute for Medical Research, Manhasset, New York, USA
Ren Fail 30:655-64. 2008..These findings suggest that in addition to the activation of apoptotic pathway, HIV-1-induced G2/M arrest may also contribute to tubular cell injury...
Emerging strategies for lowering serum phosphorous in patients with end-stage renal diseaseAkhtar Ashfaq
Division of Kidney Division and Hypertension, North Shore University Hospital, 100 Community Drive, Great Neck, New York 11021, USA
Expert Opin Pharmacother 7:1897-905. 2006..These have prompted the development of new classes of medications with potentially better efficacy and few short-term and long-term side effects. This article reviews the causes, mechanism and management of hyperphosphataemia...
Research Grants
- p66ShcA in HIV associated NephropathyPravin C Singhal; Fiscal Year: 2010..At present, there is no specific treatment to cure this disease. Our long term research goal is to develop strategies to slow down the progression and/or cure of this devastating kidney disease. ..
- HIV ASSOCIATED NEPHROPATHY IN DRUG ADDICTSPravin Singhal; Fiscal Year: 2007..2. Oxidative stress modulated by drugs accelerates the progression of renal injury in a mouse model of HIVAN. 3. Drugs modulation of the renin-angiotensin system contributes to the progression of renal lesions in mice with HIVAN. ..
- HIV ASSOCIATED NEPHROPATHY IN DRUG ADDICTSPravin Singhal; Fiscal Year: 2002..We believe that tubulointerstitial lesions determine the accelerated course of renal failure in drug addicts with HIV infection. ..
- Renin Angioensin Aldosterone System in Drub Abuse and HIV-associated NephropathyPravin C Singhal; Fiscal Year: 2010..Our long term research goal is to develop strategies to slow down the progression as well as find a cure of this devastating kidney disease. ..
