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Year Citation  Score
2013 Hayflick SJ, Kruer MC, Gregory A, Haack TB, Kurian MA, Houlden HH, Anderson J, Boddaert N, Sanford L, Harik SI, Dandu VH, Nardocci N, Zorzi G, Dunaway T, Tarnopolsky M, et al. β-Propeller protein-associated neurodegeneration: a new X-linked dominant disorder with brain iron accumulation. Brain : a Journal of Neurology. 136: 1708-17. PMID 23687123 DOI: 10.1093/brain/awt095  1
2013 Harik SI, Al-Hinti JT, Archer RL, Angtuaco EJC. Hemiparkinsonism after unilateral traumatic midbrain hemorrhage in a young woman Neurology: Clinical Practice. 3: 4-7. DOI: 10.1212/CPJ.0b013e318283fef6  1
2012 Haack TB, Hogarth P, Kruer MC, Gregory A, Wieland T, Schwarzmayr T, Graf E, Sanford L, Meyer E, Kara E, Cuno SM, Harik SI, Dandu VH, Nardocci N, Zorzi G, et al. Exome sequencing reveals de novo WDR45 mutations causing a phenotypically distinct, X-linked dominant form of NBIA. American Journal of Human Genetics. 91: 1144-9. PMID 23176820 DOI: 10.1016/j.ajhg.2012.10.019  1
2012 Maalouf N, Harik SI. Clinical reasoning: a 33-year-old woman with severe postpartum occipital headaches. Neurology. 78: 366-9. PMID 22291065 DOI: 10.1212/WNL.0b013e31824528f8  1
2009 Gokden M, Al-Hinti JT, Harik SI. Peripheral nervous system pathology in fragile X tremor/ataxia syndrome (FXTAS). Neuropathology : Official Journal of the Japanese Society of Neuropathology. 29: 280-4. PMID 18627480 DOI: 10.1111/j.1440-1789.2008.00948.x  1
2008 Juhasz-Pocsine K, Rudnicki SA, Archer RL, Harik SI. Reply from the authors [4] Neurology. 70: 324-325. DOI: 10.1212/01.wnl.0000299722.37082.51  1
2007 Haddad NI, Umashankar G, Harik SI. Tiagabine-induced non-convulsive status epilepticus in a patient without history of epilepsy. Neurosciences (Riyadh, Saudi Arabia). 12: 152-4. PMID 21857599  1
2007 Shihabuddin BS, Harik SI. Episodic nausea and abdominal sensations as sole manifestations of simple partial seizures. Neurosciences (Riyadh, Saudi Arabia). 12: 327-9. PMID 21857555  1
2007 Al-Hinti JT, Nagan N, Harik SI. Fragile X premutation in a woman with cognitive impairment, tremor, and history of premature ovarian failure. Alzheimer Disease and Associated Disorders. 21: 262-4. PMID 17804960 DOI: 10.1097/WAD.0b013e31811ec130  1
2007 Juhasz-Pocsine K, Rudnicki SA, Archer RL, Harik SI. Neurologic complications of gastric bypass surgery for morbid obesity. Neurology. 68: 1843-50. PMID 17515548 DOI: 10.1212/01.wnl.0000262768.40174.33  1
2006 Labib BT, Tabbal SD, Harik SI. Effect of apomorphine on plasma large neutral amino acids in volunteer subjects. Neurosciences (Riyadh, Saudi Arabia). 11: 219-20. PMID 22266628  1
2006 Govindarajan R, Adusumilli J, Baxter DL, El-Khoueiry A, Harik SI. Reversible posterior leukoencephalopathy syndrome induced by RAF kinase inhibitor BAY 43-9006. Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology. 24: e48. PMID 17008686 DOI: 10.1200/JCO.2006.08.4608  1
2005 Chamberlain MC, Schluterman KO, Fassas ABT, Van Hemert RL, Harik SI. Commentary regarding neoplastic meningitis secondary to multiple myeloma [1] (multiple letters) Archives of Neurology. 62: 833-834. PMID 15883275 DOI: 10.1001/archneur.62.5.833  1
2004 Schluterman KO, Fassas AB, Van Hemert RL, Harik SI. Multiple myeloma invasion of the central nervous system. Archives of Neurology. 61: 1423-9. PMID 15364689 DOI: 10.1001/archneur.61.9.1423  1
2004 Umashankar G, Gupta V, Harik SI. Acute bilateral inferior cerebellar infarction in a patient with neurosyphilis. Archives of Neurology. 61: 953-6. PMID 15210539 DOI: 10.1001/archneur.61.6.953  1
2004 Fassas AB, Ward S, Muwalla F, Van Hemert R, Schluterman K, Harik S, Tricot G. Myeloma of the central nervous system: strong association with unfavorable chromosomal abnormalities and other high-risk disease features. Leukemia & Lymphoma. 45: 291-300. PMID 15101714 DOI: 10.1080/10428190310001597964  1
2003 Uc EY, Lambert CP, Harik SI, Rodnitzky RL, Evans WJ. Albuterol improves response to levodopa and increases skeletal muscle mass in patients with fluctuating Parkinson disease. Clinical Neuropharmacology. 26: 207-12. PMID 12897642 DOI: 10.1097/00002826-200307000-00011  1
2002 Hoehn BD, Harik SI, Hudetz AG. VEGF mRNA expressed in microvessels of neonatal and adult rat cerebral cortex. Brain Research. Molecular Brain Research. 101: 103-8. PMID 12007837 DOI: 10.1016/S0169-328X(02)00175-4  1
2002 Fassas AB, Muwalla F, Berryman T, Benramdane R, Joseph L, Anaissie E, Sethi R, Desikan R, Siegel D, Badros A, Toor A, Zangari M, Morris C, Angtuaco E, Mathew S, ... ... Harik S, et al. Myeloma of the central nervous system: association with high-risk chromosomal abnormalities, plasmablastic morphology and extramedullary manifestations. British Journal of Haematology. 117: 103-8. PMID 11918539 DOI: 10.1046/j.1365-2141.2002.03401.x  1
2002 Uc EY, Dienel GA, Cruz NF, Harik SI. beta-Adrenergics enhance brain extraction of levodopa. Movement Disorders : Official Journal of the Movement Disorder Society. 17: 54-9. PMID 11835439 DOI: 10.1002/mds.10002  1
1999 Tabbal SD, Harik SI. Images in clinical medicine. Cerebral histoplasmosis. The New England Journal of Medicine. 340: 1176. PMID 10202169 DOI: 10.1056/NEJM199904153401506  1
1999 Dore-Duffy P, Balabanov R, Beaumont T, Hritz MA, Harik SI, LaManna JC. Endothelial activation following prolonged hypobaric hypoxia. Microvascular Research. 57: 75-85. PMID 10049655 DOI: 10.1006/mvre.1998.2112  1
1999 Angtuaco EJ, Harik SI. Severe atherosclerosis of the proximal carotid arteries and vertebro-carotid anastomosis. Neurology. 52: 169. PMID 9921866  1
1998 Rudnicki SA, Harik SI, Dhodapkar M, Barlogie B, Eidelberg D. Nervous system dysfunction in Waldenström's macroglobulinemia: response to treatment. Neurology. 51: 1210-3. PMID 9781565  1
1998 Ceola WM, Harik SI. Pitfalls of thrombolytic therapy for myocardial infarction. The Journal of the Arkansas Medical Society. 95: 73-4. PMID 9676061  1
1997 Harik SI, al-Mudallal AS, LaManna JC, Lust WD, Levin BE. Ketogenic diet and the brain. Annals of the New York Academy of Sciences. 835: 218-24. PMID 9616776 DOI: 10.1111/j.1749-6632.1997.tb48632.x  1
1997 LaManna JC, Harik SI. Brain metabolic and vascular adaptations to hypoxia in the rat. Review and update. Advances in Experimental Medicine and Biology. 428: 163-7. PMID 9500043  1
1997 Stewart PA, Isaacs H, LaManna JC, Harik SI. Ultrastructural concomitants of hypoxia-induced angiogenesis. Acta Neuropathologica. 93: 579-84. PMID 9194896 DOI: 10.1007/s004010050654  1
1996 Harik N, Harik SI, Kuo NT, Sakai K, Przybylski RJ, LaManna JC. Time-course and reversibility of the hypoxia-induced alterations in cerebral vascularity and cerebral capillary glucose transporter density. Brain Research. 737: 335-8. PMID 8930387 DOI: 10.1016/0006-8993(96)00965-1  1
1996 Al-Mudallal AS, LaManna JC, Lust WD, Harik SI. Diet-induced ketosis does not cause cerebral acidosis. Epilepsia. 37: 258-61. PMID 8598184 DOI: 10.1111/j.1528-1157.1996.tb00022.x  1
1995 al-Mudallal AS, Levin BE, Lust WD, Harik SI. Effects of unbalanced diets on cerebral glucose metabolism in the adult rat. Neurology. 45: 2261-5. PMID 8848204  1
1995 Harik SI, Lust WD, Jones SC, Lauro KL, Pundik S, LaManna JC. Brain glucose metabolism in hypobaric hypoxia. Journal of Applied Physiology (Bethesda, Md. : 1985). 79: 136-40. PMID 7559210  1
1995 Harik SI, Hritz MA, LaManna JC. Hypoxia-induced brain angiogenesis in the adult rat. The Journal of Physiology. 485: 525-30. PMID 7545234  1
1994 Lekos A, Katirji MB, Cohen ML, Weisman R, Harik SI. Mononeuritis multiplex. A harbinger of acute leukemia in relapse. Archives of Neurology. 51: 618-22. PMID 8198473 DOI: 10.1001/archneur.1994.00540180096019  1
1994 Harik SI, Behmand RA, LaManna JC. Hypoxia increases glucose transport at blood-brain barrier in rats. Journal of Applied Physiology (Bethesda, Md. : 1985). 77: 896-901. PMID 8002545  1
1994 Harik SI, Behmand RA, Murphy JR. Stability of the glucose transporter in plasma membranes of human erythrocytes. Diabetologia. 37: 730. PMID 7958549 DOI: 10.1007/BF00417702  1
1994 Mironov V, Hritz MA, LaManna JC, Hudetz AG, Harik SI. Architectural alterations in rat cerebral microvessels after hypobaric hypoxia. Brain Research. 660: 73-80. PMID 7828003 DOI: 10.1016/0006-8993(94)90840-0  1
1994 LaManna JC, Boehm KD, Mironov V, Hudetz AG, Hritz MA, Yun JK, Harik SI. Increased basic fibroblastic growth factor mRNA in the brains of rats exposed to hypobaric hypoxia. Advances in Experimental Medicine and Biology. 361: 497-502. PMID 7597975  1
1993 Harik SI, Hritz MA. Effect of acetyl-L-carnitine on 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) neurotoxicity. Biochemical Pharmacology. 45: 2170-2. PMID 8512600 DOI: 10.1016/0006-2952(93)90034-T  1
1993 Berridge MS, Sayre LM, Arora PK, Terris AH, Riachi NJ, Harik SI. Design and synthesis of 18F-labeled neurotoxic analogs of MPTP. Journal of Medicinal Chemistry. 36: 1284-90. PMID 8487266  1
1993 Harik SI, Hall AK, Richey P, Andersson L, Lundahl P, Perry G. Ontogeny of the erythroid/HepG2-type glucose transporter (GLUT-1) in the rat nervous system. Brain Research. Developmental Brain Research. 72: 41-9. PMID 8453764 DOI: 10.1016/0165-3806(93)90157-6  1
1993 Harik SI, Riachi NJ, Hritz MA, Berridge MS, Sayre LM. Development of fluorinated 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine analogs with potent nigrostriatal toxicity for potential use in positron emission tomography studies. The Journal of Pharmacology and Experimental Therapeutics. 266: 790-5. PMID 8355208  1
1993 LaManna JC, Harrington JF, Vendel LM, Abi-Saleh K, Lust WD, Harik SI. Regional blood-brain lactate influx. Brain Research. 614: 164-70. PMID 8348311 DOI: 10.1016/0006-8993(93)91030-V  1
1993 Sullivan HC, Harik SI. ATP-sensitive potassium channels are not expressed in brain microvessels. Brain Research. 612: 336-8. PMID 8330209 DOI: 10.1016/0006-8993(93)91682-I  1
1993 Holash JA, Harik SI, Perry G, Stewart PA. Barrier properties of testis microvessels. Proceedings of the National Academy of Sciences of the United States of America. 90: 11069-73. PMID 7902579  1
1993 Daroff RB, Harik SI. Message from the editor's office Neurology. 43: 2431-2434.  1
1992 Riachi NJ, Harik SI. Monoamine oxidases of the brains and livers of macaque and cercopithecus monkeys. Experimental Neurology. 115: 212-7. PMID 1735467 DOI: 10.1016/0014-4886(92)90055-U  1
1992 Kalaria RN, Sromek SM, Grahovac I, Harik SI. Transferrin receptors of rat and human brain and cerebral microvessels and their status in Alzheimer's disease. Brain Research. 585: 87-93. PMID 1511337 DOI: 10.1016/0006-8993(92)91193-I  1
1992 Harik SI. MPTP toxicity and the "biochemical" blood-brain barrier. Nida Research Monograph. 120: 43-53. PMID 1501691  1
1992 Kalaria RN, Harik SI. Carnitine acetyltransferase activity in the human brain and its microvessels is decreased in Alzheimer's disease. Annals of Neurology. 32: 583-6. PMID 1456745 DOI: 10.1002/ana.410320417  1
1992 Behmand RA, Harik SI. Nicotine enhances 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine neurotoxicity. Journal of Neurochemistry. 58: 776-9. PMID 1445501  1
1992 Pelligrino DA, LaManna JC, Duckrow RB, Bryan RM, Harik SI. Hyperglycemia and blood-brain barrier glucose transport. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 12: 887-99. PMID 1400643 DOI: 10.1038/jcbfm.1992.126  1
1992 Harik SI. Changes in the glucose transporter of brain capillaries. Canadian Journal of Physiology and Pharmacology. 70: S113-7. PMID 1295661  1
1992 Daroff RB, Harik SI. Message from the editor’s office Neurology. 42: 2237-2240.  1
1991 Harik SI, Behmand RA, Arafah BM. Chronic hyperglycemia increases the density of glucose transporters in human erythrocyte membranes. The Journal of Clinical Endocrinology and Metabolism. 72: 814-8. PMID 2005206 DOI: 10.1210/jcem-72-4-814  1
1991 Sayre LM, Wang FJ, Arora PK, Riachi NJ, Harik SI, Hoppel CL. Dopaminergic neurotoxicity in vivo and inhibition of mitochondrial respiration in vitro by possible endogenous pyridinium-like substances. Journal of Neurochemistry. 57: 2106-15. PMID 1940917  1
1991 Riachi NJ, Behmand RA, Harik SI. Correlation of MPTP neurotoxicity in vivo with oxidation of MPTP by the brain and blood-brain barrier in vitro in five rat strains. Brain Research. 555: 19-24. PMID 1933326 DOI: 10.1016/0006-8993(91)90854-O  1
1991 Harik SI, LaManna JC. Altered glucose metabolism in microvessels from patients with Alzheimer's disease. Annals of Neurology. 29: 573. PMID 1859187 DOI: 10.1002/ana.410290521  1
1991 De Vivo DC, Trifiletti RR, Jacobson RI, Ronen GM, Behmand RA, Harik SI. Defective glucose transport across the blood-brain barrier as a cause of persistent hypoglycorrhachia, seizures, and developmental delay. The New England Journal of Medicine. 325: 703-9. PMID 1714544 DOI: 10.1056/NEJM199109053251006  1
1991 Harik SI, Kalaria RN. Blood-brain barrier abnormalities in Alzheimer's disease. Annals of the New York Academy of Sciences. 640: 47-52. PMID 1685645  1
1991 Harik SI, Sromek SM, Kalaria RN. Alpha- and beta-adrenergic receptors of the rat cerebral cortex and cerebral microvessels in aging, and their response to denervation. Neurobiology of Aging. 12: 567-73. PMID 1663217 DOI: 10.1016/0197-4580(91)90088-2  1
1991 Harik SI, Roessmann U. The erythrocyte-type glucose transporter in blood vessels of primary and metastatic brain tumors. Annals of Neurology. 29: 487-91. PMID 1650159 DOI: 10.1002/ana.410290507  1
1991 Homayoun P, Harik SI. Bradykinin receptors of cerebral microvessels stimulate phosphoinositide turnover. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 11: 557-66. PMID 1646827 DOI: 10.1038/jcbfm.1991.104  1
1990 Arora PK, Riachi NJ, Fiedler GC, Singh MP, Abdallah F, Harik SI, Sayre LM. Structure-neurotoxicity trends of analogues of 1-methyl-4-phenylpyridinium (MPP+), the cytotoxic metabolite of the dopaminergic neurotoxin MPTP. Life Sciences. 46: 379-90. PMID 2304377 DOI: 10.1016/0024-3205(90)90018-M  1
1990 Harik SI, Kalaria RN, Andersson L, Lundahl P, Perry G. Immunocytochemical localization of the erythroid glucose transporter: abundance in tissues with barrier functions. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 10: 3862-72. PMID 2269888  1
1990 Kawai M, Kalaria RN, Harik SI, Perry G. The relationship of amyloid plaques to cerebral capillaries in Alzheimer's disease. The American Journal of Pathology. 137: 1435-46. PMID 2260630  1
1990 Harik SI, Kalaria RN, Whitney PM, Andersson L, Lundahl P, Ledbetter SR, Perry G. Glucose transporters are abundant in cells with "occluding" junctions at the blood-eye barriers. Proceedings of the National Academy of Sciences of the United States of America. 87: 4261-4. PMID 2190218  1
1990 Riachi NJ, Dietrich WD, Harik SI. Effects of internal carotid administration of MPTP on rat brain and blood-brain barrier. Brain Research. 533: 6-14. PMID 2085733 DOI: 10.1016/0006-8993(90)91788-I  1
1990 Harik SI, Riachi NJ, Kalaria RN, LaManna JC. The role of the blood-brain barrier in preventing MPTP neurotoxicity Fernstrom Foundation Series. 14: 255-267.  1
1990 Harik SI, Kalaria RN. On the glucose transporter of the blood-brain barrier and its regulation by physiological and pathological conditions Fernstrom Foundation Series. 14: 71-82.  1
1989 Riachi NJ, LaManna JC, Harik SI. Entry of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine into the rat brain. The Journal of Pharmacology and Experimental Therapeutics. 249: 744-8. PMID 2786562  1
1989 Kalaria RN, Harik SI. Reduced glucose transporter at the blood-brain barrier and in cerebral cortex in Alzheimer disease. Journal of Neurochemistry. 53: 1083-8. PMID 2769254  1
1989 Masaryk TJ, Modic MT, Ruggieri PM, Ross JS, Laub G, Lenz GW, Tkach JA, Haacke EM, Selman WR, Harik SI. Three-dimensional (volume) gradient-echo imaging of the carotid bifurcation: preliminary clinical experience. Radiology. 171: 801-6. PMID 2717755 DOI: 10.1148/radiology.171.3.2717755  1
1989 Masaryk TJ, Modic MT, Ross JS, Ruggieri PM, Laub GA, Lenz GW, Haacke EM, Selman WR, Wiznitzer M, Harik SI. Intracranial circulation: preliminary clinical results with three-dimensional (volume) MR angiography. Radiology. 171: 793-9. PMID 2717754 DOI: 10.1148/radiology.171.3.2717754  1
1989 Ross JS, Masaryk TJ, Modic MT, Harik SI, Wiznitzer M, Selman WR. Magnetic resonance angiography of the extracranial carotid arteries and intracranial vessels: a review. Neurology. 39: 1369-76. PMID 2677834  1
1989 Kikano GE, LaManna JC, Harik SI. Brain perfusion in acute and chronic hyperglycemia in rats. Stroke; a Journal of Cerebral Circulation. 20: 1027-31. PMID 2667199  1
1989 Kalaria RN, Harik SI. Abnormalities of the glucose transporter at the blood-brain barrier and in brain in Alzheimer's disease. Progress in Clinical and Biological Research. 317: 415-21. PMID 2602426  1
1989 Harik SI, Whitney PM, Kalaria RN, Foley JM. The hexose transporter of human erythrocytes in aging and Alzheimer dementia. Alzheimer Disease and Associated Disorders. 3: 191-6. PMID 2597423  1
1989 Homayoun P, Lust WD, Harik SI. Effect of several vasoactive agents on guanylate cyclase activity in isolated rat brain microvessels. Neuroscience Letters. 107: 273-8. PMID 2575727 DOI: 10.1016/0304-3940(89)90830-6  1
1989 Whitehouse PJ, Gambetti P, Harik SI, Kalaria RN, Perry G, Younkin SI, Tabaton M, Unnerstall JR. Neurochemistry of dementia: establishing the links. Progress in Clinical and Biological Research. 317: 131-42. PMID 2574868  1
1989 Moufarrij NA, Harik SI. The effect of locus ceruleus lesion on water, sodium and potassium content of the rat cerebral cortex. Neurological Research. 11: 97-100. PMID 2569688  1
1989 Kalaria RN, Andorn AC, Harik SI. Alterations in adrenergic receptors of frontal cortex and cerebral microvessels in Alzheimer's disease and aging. Progress in Clinical and Biological Research. 317: 367-74. PMID 2557637  1
1989 Kalaria RN, Harik SI. Increased alpha 2- and beta 2-adrenergic receptors in cerebral microvessels in Alzheimer disease. Neuroscience Letters. 106: 233-8. PMID 2555749 DOI: 10.1016/0304-3940(89)90231-0  1
1989 Kalaria RN, Andorn AC, Tabaton M, Whitehouse PJ, Harik SI, Unnerstall JR. Adrenergic receptors in aging and Alzheimer's disease: increased beta 2-receptors in prefrontal cortex and hippocampus. Journal of Neurochemistry. 53: 1772-81. PMID 2553864  1
1989 Harik SI, Mitchell MJ, Kalaria RN. Ouabain binding in the human brain. Effects of Alzheimer's disease and aging. Archives of Neurology. 46: 951-4. PMID 2549926 DOI: 10.1001/archneur.1989.00520450021013  1
1989 Kalaria RN, Stockmeier CA, Harik SI. Brain microvessels are innervated by locus ceruleus noradrenergic neurons. Neuroscience Letters. 97: 203-8. PMID 2537480 DOI: 10.1016/0304-3940(89)90164-X  1
1989 LaManna JC, Kikano GE, Harik SI. Brain blood flow and sucrose space in acute and chronic hyperglycemia Neurotransmission and Cerebrovascular Function Vol. 1: Proceedings of the International Symposium 'Neurotransmission and Cerebrovascular Function'. Ics869. 89-92.  1
1989 Harik SI. The glucose transporter of nervous system vascular endothelium Neurotransmission and Cerebrovascular Function Vol. 1: Proceedings of the International Symposium 'Neurotransmission and Cerebrovascular Function'. Ics869. 85-88.  1
1989 Harik SI. Neurotransmitters and brain microvessels: Biochemical and pharmacological relations Neurotransmission and Cerebrovascular Function Vol. 2: Proceedings of the International Symposium 'Neurotransmission and Cerebrovascular Function'. Ics870. 21-31.  1
1989 Kalaria RN, Harik SI. Evidence for innervation of cerebral microvessels by locus ceruleus noradrenergic neurons Neurotransmission and Cerebrovascular Function Vol. 1: Proceedings of the International Symposium 'Neurotransmission and Cerebrovascular Function'. Ics869. 191-194.  1
1988 Pearlmutter AF, Szkrybalo M, Kim Y, Harik SI. Arginine vasopressin receptors in pig cerebral microvessels, cerebral cortex and hippocampus. Neuroscience Letters. 87: 121-6. PMID 3380331 DOI: 10.1016/0304-3940(88)90156-5  1
1988 Harik SI. Some comments on the "Effect of aging on the blood-brain barrier". Neurobiology of Aging. 9: 50-1. PMID 3380256 DOI: 10.1016/S0197-4580(88)80019-8  1
1988 Kalaria RN, Harik SI. Adenosine receptors and the nucleoside transporter in human brain vasculature. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 8: 32-9. PMID 3339106 DOI: 10.1038/jcbfm.1988.5  1
1988 Arora PK, Riachi NJ, Harik SI, Sayre LM. Chemical oxidation of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and its in vivo metabolism in rat brain and liver. Biochemical and Biophysical Research Communications. 152: 1339-47. PMID 3259874 DOI: 10.1016/S0006-291X(88)80432-7  1
1988 Riachi NJ, Harik SI. Strain differences in systemic 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine neurotoxicity in mice correlate best with monoamine oxidase activity at the blood-brain barrier. Life Sciences. 42: 2359-63. PMID 3259663 DOI: 10.1016/0024-3205(88)90189-0  1
1988 Riachi NJ, Harik SI, Kalaria RN, Sayre LM. On the mechanisms underlying 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine neurotoxicity. II. Susceptibility among mammalian species correlates with the toxin's metabolic patterns in brain microvessels and liver. The Journal of Pharmacology and Experimental Therapeutics. 244: 443-8. PMID 3258032  1
1988 Riachi NJ, Arora PK, Sayre LM, Harik SI. Potent neurotoxic fluorinated 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine analogs as potential probes in models of Parkinson disease. Journal of Neurochemistry. 50: 1319-21. PMID 3258018  1
1988 Kalaria RN, Mitchell MJ, Harik SI. Monoamine oxidases of the human brain and liver. Brain : a Journal of Neurology. 111: 1441-51. PMID 3208065  1
1988 Kalaria RN, Gravina SA, Schmidley JW, Perry G, Harik SI. The glucose transporter of the human brain and blood-brain barrier. Annals of Neurology. 24: 757-64. PMID 3207358 DOI: 10.1002/ana.410240610  1
1988 Harik SI, Gravina SA, Kalaria RN. Glucose transporter of the blood-brain barrier and brain in chronic hyperglycemia. Journal of Neurochemistry. 51: 1930-4. PMID 3183669  1
1988 Harik SI, LaManna JC. Vascular perfusion and blood-brain glucose transport in acute and chronic hyperglycemia. Journal of Neurochemistry. 51: 1924-9. PMID 3183668  1
1987 Waltz G, Harik SI, Kaufman B. Adult metachromatic leukodystrophy. Value of computed tomographic scanning and magnetic resonance imaging of the brain. Archives of Neurology. 44: 225-7. PMID 3813937 DOI: 10.1001/archneur.1987.00520140083022  1
1987 Kalaria RN, Mitchell MJ, Harik SI. Correlation of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine neurotoxicity with blood-brain barrier monoamine oxidase activity. Proceedings of the National Academy of Sciences of the United States of America. 84: 3521-5. PMID 3495000  1
1987 Globus MY, Ginsberg MD, Harik SI, Busto R, Dietrich WD. Role of dopamine in ischemic striatal injury: metabolic evidence. Neurology. 37: 1712-9. PMID 3118239  1
1987 Kalaria RN, Harik SI. Differential postnatal development of monoamine oxidases A and B in the blood-brain barrier of the rat. Journal of Neurochemistry. 49: 1589-94. PMID 3117975  1
1987 Nag S, Harik SI. Cerebrovascular permeability to horseradish peroxidase in hypertensive rats: effects of unilateral locus ceruleus lesion. Acta Neuropathologica. 73: 247-53. PMID 3113166 DOI: 10.1007/BF00686618  1
1987 Kalaria RN, Harik SI. Blood-brain barrier monoamine oxidase: enzyme characterization in cerebral microvessels and other tissues from six mammalian species, including human. Journal of Neurochemistry. 49: 856-64. PMID 2886556  1
1987 Harik SI, Schmidley JW, Iacofano LA, Blue P, Arora PK, Sayre LM. On the mechanisms underlying 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine neurotoxicity: the effect of perinigral infusion of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine, its metabolite and their analogs in the rat. The Journal of Pharmacology and Experimental Therapeutics. 241: 669-76. PMID 2437293  1
1986 Dick AP, Harik SI. Distribution of the glucose transporter in the mammalian brain. Journal of Neurochemistry. 46: 1406-11. PMID 3958712  1
1986 Harik SI, Prado R, Busto R, Ginsberg MD. Increased cerebral blood flow during hypercapnia is not affected by lesion of the nucleus locus ceruleus. Stroke; a Journal of Cerebral Circulation. 17: 1235-8. PMID 3810725  1
1986 LaManna JC, Harik SI. Regional studies of blood-brain barrier transport of glucose and leucine in awake and anesthetized rats. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 6: 717-23. PMID 3793807 DOI: 10.1038/jcbfm.1986.128  1
1986 Kalaria RN, Harik SI. Nucleoside transporter of cerebral microvessels and choroid plexus. Journal of Neurochemistry. 47: 1849-56. PMID 3772380  1
1986 Sayre LM, Arora PK, Iacofano LA, Harik SI. Comparative toxicity of MPTP, MPP+ and 3,3-dimethyl-MPDP+ to dopaminergic neurons of the rat substantia nigra. European Journal of Pharmacology. 124: 171-4. PMID 3487462 DOI: 10.1016/0014-2999(86)90139-1  1
1986 Kalaria RN, Harik SI. Adenosine receptors of cerebral microvessels and choroid plexus. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 6: 463-70. PMID 3015994 DOI: 10.1038/jcbfm.1986.80  1
1986 Harik SI. Blood--brain barrier sodium/potassium pump: modulation by central noradrenergic innervation. Proceedings of the National Academy of Sciences of the United States of America. 83: 4067-70. PMID 3012548  1
1986 Harik SI, McCracken KA. Age-related increase in presynaptic noradrenergic markers of the rat cerebral cortex. Brain Research. 381: 125-30. PMID 2875762 DOI: 10.1016/0006-8993(86)90699-2  1
1986 Harik SI, Yoshida S, Busto R, Ginsberg MD. Monoamine neurotransmitters in diffuse reversible forebrain ischemia and early recirculation: increased dopaminergic activity. Neurology. 36: 971-6. PMID 2872620  1
1985 Busto R, Harik SI, Yoshida S, Scheinberg P, Ginsberg MD. Cerebral norepinephrine depletion enhances recovery after brain ischemia. Annals of Neurology. 18: 329-36. PMID 4051459 DOI: 10.1002/ana.410180310  1
1985 Ginsberg MD, Busto R, Harik SI. Regional blood-brain barrier permeability to water and cerebral blood flow during status epilepticus: insensitivity to norepinephrine depletion. Brain Research. 337: 59-71. PMID 4005609 DOI: 10.1016/0006-8993(85)91609-9  1
1985 LaManna JC, Harik SI. Regional comparisons of brain glucose influx. Brain Research. 326: 299-305. PMID 3971156 DOI: 10.1016/0006-8993(85)90039-3  1
1985 Harik SI, Sylvia AL. Effect of aging on the response of the cerebral cortex to noradrenergic denervation. Gerontology. 31: 285-92. PMID 2996989 DOI: 10.1159/000212711  1
1985 Speth RC, Harik SI. Angiotensin II receptor binding sites in brain microvessels. Proceedings of the National Academy of Sciences of the United States of America. 82: 6340-3. PMID 2994072  1
1985 Harik SI, Doull GH, Dick AP. Specific ouabain binding to brain microvessels and choroid plexus. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 5: 156-60. PMID 2982890 DOI: 10.1038/jcbfm.1985.20  1
1984 Harik SI, McGunigal T. The protective influence of the locus ceruleus on the blood-brain barrier. Annals of Neurology. 15: 568-74. PMID 6742791 DOI: 10.1002/ana.410150609  1
1984 Yoshida S, Harik SI, Busto R, Santiso M, Martinez E, Ginsberg MD. Free fatty acids and energy metabolites in ischemic cerebral cortex with noradrenaline depletion. Journal of Neurochemistry. 42: 711-7. PMID 6319605  1
1984 Dick AP, Harik SI, Klip A, Walker DM. Identification and characterization of the glucose transporter of the blood-brain barrier by cytochalasin B binding and immunological reactivity. Proceedings of the National Academy of Sciences of the United States of America. 81: 7233-7. PMID 6150484  1
1984 Harik SI. Locus ceruleus lesion by local 6-hydroxydopamine infusion causes marked and specific destruction of noradrenergic neurons, long-term depletion of norepinephrine and the enzymes that synthesize it, and enhanced dopaminergic mechanisms in the ipsilateral cerebral cortex. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 4: 699-707. PMID 6142931  1
1984 LaManna JC, Harik SI. Noradrenergic modulation of cerebral cortical oxidative metabolism. Advances in Experimental Medicine and Biology. 180: 211-9. PMID 6099958  1
1983 Sylvia AL, Harik SI, LaManna JC, Wilkerson T, Rosenthal M. Abnormalities of cerebral oxidative metabolism with aging and their relation to the central noradrenergic system. Gerontology. 29: 248-61. PMID 6307831 DOI: 10.1159/000213124  1
1983 LaManna JC, Doull G, McCracken K, Harik SI. (Na+-K+)-ATPase activity and ouabain-binding sites in the cerebral cortex of young and aged Fischer-344 rats. Gerontology. 29: 242-7. PMID 6307830 DOI: 10.1159/000213123  1
1982 Logan WJ, Harik SI. Specific uptake of norepinephrine and dopamine by homogenates of rat cerebral cortex after locus ceruleus lesion. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 2: 394-8. PMID 7062118  1
1982 Harik SI. Myelin and Schwann cell abnormalities in Isaac's syndrome. Annals of Neurology. 11: 544. PMID 6285802 DOI: 10.1002/ana.410110518  1
1982 Sick TJ, Hertz L, LaManna JC, Rosenthal M, Flaggman A, Harik SI. Does endogenous norepinephrine regulate potassium homeostasis and metabolism in rat cerebral cortex? Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 2: 355-61. PMID 6284773 DOI: 10.1038/jcbfm.1982.36  1
1982 Afifi AK, Harik SI, Bergman RA, Mire-Salman J, Bahuth NB. Postganglionic cholinergic dysautonomia: report of muscle findings in 1 case. European Neurology. 21: 8-21. PMID 6284510 DOI: 10.1159/000115448  1
1982 Harik SI, Busto R, Martinez E. Norepinephrine regulation of cerebral glycogen utilization during seizures and ischemia. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 2: 409-14. PMID 6279795  1
1982 Harik SI, LaManna JC, Snyder S, Wetherbee JR, Rosenthal M. Abnormalities of cerebral oxidative metabolism in animal models of Parkinson disease. Neurology. 32: 382-9. PMID 6278364  1
1982 Muller P, Logan WJ, Harik SI. In vivo [3H]-spiperone binding in a rat model of Parkinson disease Neurology. 32: A 161.  1
1981 Harik SI, Marton LJ. CSF putrescine levels. The enzymatic-isotopic method vs liquid chromatography. Archives of Neurology. 38: 91-4. PMID 7469843 DOI: 10.1001/archneur.1981.00510020049006  1
1981 Harik SI, Duckrow RB, LaManna JC, Rosenthal M, Sharma VK, Banerjee SP. Cerebral compensation for chronic noradrenergic denervation induced by locus ceruleus lesion: recovery of receptor binding, isoproterenol-induced adenylate cyclase activity, and oxidative metabolism. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 1: 641-9. PMID 7346572  1
1981 Harik SI, Sharma VK, Wetherbee JR, Warren RH, Banerjee SP. Adrenergic and cholinergic receptors of cerebral microvessels. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 1: 329-38. PMID 7328147 DOI: 10.1038/jcbfm.1981.36  1
1981 Harik SI, Post MJ. Computed tomography in Wilson disease. Neurology. 31: 107-10. PMID 7192819  1
1981 LaManna JC, Harik SI, Light AI, Rosenthal M. Norepinephrine depletion alters cerebral oxidative metabolism in the "active" state. Brain Research. 204: 87-101. PMID 6265026 DOI: 10.1016/0006-8993(81)90654-5  1
1981 Sharma VK, Harik SI, Busto R, Banerjee SP. Effects of noradrenaline depletion on adrenergic and muscarinic cholinergic receptors in the cerebral cortex, hippocampus, and cerebellum. Experimental Neurology. 72: 179-94. PMID 6258960 DOI: 10.1016/0014-4886(81)90136-9  1
1981 Harik SI. CT in wilson disease: Reply from the authors Neurology. 31: 1057.  1
1981 Harik SI, Hertz L. Effects of norepinephrine depletion on oxygen consumption of cerebral tissue Neurology. 31: 105.  1
1981 Logan WJ, Harik SI. Locus ceruleus lesion: Acute and long-term effects on high-affinity uptake of norepinephrine, dopamine, serotonin, glutamate, GABA, and choline in rat cerebral cortex Neurology. 31: 165.  1
1980 Kelley RE, Stokes N, Reyes P, Harik SI. Cerebral transmural angiitis and ruptured aneurysm: a complication of systemic lupus erythematosus. Archives of Neurology. 37: 526-7. PMID 7417048 DOI: 10.1001/archneur.1980.00500570074015  1
1980 Harik SI, Sharma VK, Wetherbee JR, Warren RH, Banerjee SP. Adrenergic receptors of cerebral microvessels. European Journal of Pharmacology. 61: 207-8. PMID 6243569 DOI: 10.1016/0014-2999(80)90168-5  1
1979 Harik SI. Polyamine synthesis in the brain and liver of the rat following ablation of the pituitary, adrenal or thyroid glands. Journal of Neurochemistry. 33: 1131-3. PMID 501360  1
1979 Harik SI, LaManna JC, Light AI, Rosenthal M. Cerebral norepinephrine: influence on cortical oxidative metabolism in situ. Science (New York, N.Y.). 206: 69-71. PMID 482927  1
1979 Harik SI. Effects of L-dopa on putrescine levels in the brain and the liver of the rat. European Journal of Pharmacology. 54: 235-42. PMID 428424 DOI: 10.1016/0014-2999(79)90082-7  1
1979 Harik SI, Sutton CH. Putrescine as a biochemical marker of malignant brain tumors. Cancer Research. 39: 5010-5. PMID 227593  1
1979 Sharma VK, Harik SI, Ganapathi M, Busto R, Banerjee SP. Locus ceruleus lesion and chronic reserpine treatment: effect on adrenergic and cholinergic receptors in cerebral cortex and hippocampus. Experimental Neurology. 65: 685-9. PMID 223866 DOI: 10.1016/0014-4886(79)90054-2  1
1979 Harik SI, Wehle SU, Schwerin F. Axonal transport of polyamines: a reappraisal. Experimental Neurology. 63: 311-21. PMID 86457 DOI: 10.1016/0014-4886(79)90127-4  1
1979 Sharma VK, Harik SI, Busto R, Banerjee SP. Locus ceruleus lesions and chronic reserpine treatment: Effects on brain adrenergic and cholinergic receptors Neurology. 29: 535-536.  1
1979 Ayyar DR, Dawes PJK, Hudgson P, Harik SI. The neurotoxicity of metronidazole Neurology. 29: 533-534.  1
1978 Quencer RM, Harik SI. The use of computed tomography in the diagnosis of chronic brain diseases in the aged. Psychopharmacology Bulletin. 14: 22-3. PMID 625533  1
1978 Harik SI, Wehle SU, Sutton CH. Putrescine: a biochemical marker for malignant brain tumors Neurology. 28: 351.  1
1977 Harik SI, Akl KF, Uwaydah M. Cephradine penetration into cerebrospinal fluid and effects of its administration into the cerebral ventricles of cats. Antimicrobial Agents and Chemotherapy. 11: 909-11. PMID 879742  1
1977 Harik SI. The effect of L-dopa on polyamine metabolism in the central nervous system of the rat. Transactions of the American Neurological Association. 102: 125-7. PMID 616088  1
1977 Baraka A, Harik S. Reversal of central anticholinergic syndrome by galanthamine. Jama. 238: 2293-4. PMID 578850 DOI: 10.1001/jama.1977.03280220061024  1
1977 Harik SI, Ghandour MH, Farah FS, Afifi AK. Postganglionic cholinergic dysautonomia. Annals of Neurology. 1: 393-6. PMID 363043 DOI: 10.1002/ana.410010411  1
1977 Jabbur SJ, Harik SI, Hush JA. Caudate influence on transmission in the cuneate nucleus. Brain Research. 120: 559-63. PMID 188524 DOI: 10.1016/0006-8993(77)90410-3  1
1976 Harik SI, Baraka AS, Tomeh GF, Mire-Salman J, Kronful Z, Afifi AK. Autonomous peripheral nerve activity causing generalized muscle stiffness and fasciculations: report of a case with physiological, pharmacological, and morphological observations. The Johns Hopkins Medical Journal. 139: 49-60. PMID 189112  1
1974 North RB, Harik SI, Snyder SH. Amphetamine isomers: influences on locomotor and stereotyped behavior of cats. Pharmacology, Biochemistry, and Behavior. 2: 115-8. PMID 4857222 DOI: 10.1016/0091-3057(74)90143-9  1
1974 Harik SI, Hollenberg MD, Snyder SH. Ornithine decarboxylase turnover slowed by alpha-hydrazino-ornithine. Molecular Pharmacology. 10: 41-7. PMID 4367708  1
1974 Harik SI, Hollenberg MD, Snyder SH. Alpha-hydrazino-ornithine blocks net synthesis of putrescine but not of RNA and DNA. Nature. 249: 250-1. PMID 4364359 DOI: 10.1038/249250a0  1
1974 Harik SI, Snyder SH. Putrescine: regional distribution in the nervous system of the rat and the cat Brain Research. 66: 328-331. DOI: 10.1016/0006-8993(74)90152-8  1
1973 North RB, Harik SI, Snyder SH. L-prolyl-L-leucyl-glycinamide (PLG): influences on locomotor and stereotyped behavior of cats. Brain Research. 63: 435-9. PMID 4797171 DOI: 10.1016/0006-8993(73)90119-4  1
1973 Harik SI, Morris PL. The effects of lesions in the head of the caudate nucleus on spontaneous and L-DOPA induced activity in the cat. Brain Research. 62: 279-85. PMID 4765117 DOI: 10.1016/0006-8993(73)90642-2  1
1973 Harik SI, Snyder SH. Ornithine decarboxylase: inhibition by alpha-hydrazinoornithine. Biochimica Et Biophysica Acta. 327: 501-9. PMID 4591724  1
1973 Harik SI, Pasternak GW, Snyder SH. An enzymatic-isotopic microassay for putrescine. Biochimica Et Biophysica Acta. 304: 753-64. PMID 4580200 DOI: 10.1016/0304-4165(73)90222-5  1
1973 Harik SI, Snyder SH. Ornithine decarboxylase: Inhibition by a-hydrazinoornithine Bba - Enzymology. 327: 501-509. DOI: 10.1016/0005-2744(73)90433-6  1
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