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Achievable Central Nervous System Concentrations of the Green Tea Catechin EGCG Induce Stress in Glioblastoma Cells in Vitro.

Grube S, Ewald C, Kögler C, Lawson McLean A, Kalff R, Walter J.

Nutr Cancer. 2018 Sep 10:1-14. doi: 10.1080/01635581.2018.1495239. [Epub ahead of print]


Healthcare-associated pneumonia in acute care hospitals in European Union/European Economic Area countries: an analysis of data from a point prevalence survey, 2011 to 2012.

Walter J, Haller S, Quinten C, Kärki T, Zacher B, Eckmanns T, Abu Sin M, Plachouras D, Kinross P, Suetens C, Ecdc Pps Study Group.

Euro Surveill. 2018 Aug;23(32). doi: 10.2807/1560-7917.ES.2018.23.32.1700843.


Antibiotic prescribing behavior among general practitioners - a questionnaire-based study in Germany.

Salm F, Schneider S, Schmücker K, Petruschke I, Kramer TS, Hanke R, Schröder C, Heintze C, Schwantes U, Gastmeier P, Gensichen J; RAI-Study Group.

BMC Infect Dis. 2018 May 4;18(1):208. doi: 10.1186/s12879-018-3120-y.


Giant convexity chondroma with meningeal attachment.

Feierabend D, Maksoud S, Lawson McLean A, Koch A, Kalff R, Walter J.

Clin Neurol Neurosurg. 2018 Jun;169:37-40. doi: 10.1016/j.clineuro.2018.03.027. Epub 2018 Mar 27.


Perceptions and attitudes regarding antibiotic resistance in Germany: a cross-sectoral survey amongst physicians, veterinarians, farmers and the general public.

Schneider S, Salm F, Vincze S, Moeser A, Petruschke I, Schmücker K, Ludwig N, Hanke R, Schröder C, Gropmann A, Behnke M, Lübke-Becker A, Wieler LH, Hagel S, Pletz MW, Gensichen J, Gastmeier P; RAI Study Group .

J Antimicrob Chemother. 2018 Mar 26. doi: 10.1093/jac/dky100. [Epub ahead of print]


Cost-effectiveness of the long-term use of temozolomide for treating newly diagnosed glioblastoma in Germany.

Waschke A, Arefian H, Walter J, Hartmann M, Maschmann J, Kalff R.

J Neurooncol. 2018 Jun;138(2):359-367. doi: 10.1007/s11060-018-2804-x. Epub 2018 Feb 21.


Validation of Reference Genes for Expression Studies in Human Meningiomas under Different Experimental Settings.

Freitag D, Koch A, Lawson McLean A, Kalff R, Walter J.

Mol Neurobiol. 2018 Jul;55(7):5787-5797. doi: 10.1007/s12035-017-0800-3. Epub 2017 Oct 27.


NANOG overexpression and its correlation with stem cell and differentiation markers in meningiomas of different WHO grades.

Freitag D, McLean AL, Simon M, Koch A, Grube S, Walter J, Kalff R, Ewald C.

Mol Carcinog. 2017 Aug;56(8):1953-1964. doi: 10.1002/mc.22653. Epub 2017 Apr 17.


Persistence of nasal colonisation with methicillin resistant Staphylococcus aureus CC398 among participants of veterinary conferences and occurrence among their household members: A prospective cohort study, Germany 2008-2014.

Walter J, Espelage W, Adlhoch C, Cuny C, Schink S, Jansen A, Witte W, Eckmanns T, Hermes J.

Vet Microbiol. 2017 Feb;200:13-18. doi: 10.1016/j.vetmic.2016.03.015. Epub 2016 Mar 26.


Letter to the editor: Is there a need for special treatment of refugees at hospital admission?

Walter J, Haller S, Hermes J, Arvand M, Abu Sin M, Eckmanns T.

Euro Surveill. 2016;21(7):pii=30137. doi: 10.2807/1560-7917.ES.2016.21.7.30137. No abstract available.


Google Search Queries About Neurosurgical Topics: Are They a Suitable Guide for Neurosurgeons?

Lawson McLean AC, Lawson McLean A, Kalff R, Walter J.

World Neurosurg. 2016 Jun;90:179-185. doi: 10.1016/j.wneu.2016.02.045. Epub 2016 Feb 18.


Incidence of invasive meticillin-resistant Staphylococcus aureus infections in Germany, 2010 to 2014.

Walter J, Haller S, Blank HP, Eckmanns T, Abu Sin M, Hermes J.

Euro Surveill. 2015;20(46). doi: 10.2807/1560-7917.ES.2015.20.46.30067.


Cranioplasty after decompressive craniectomy: is there a rationale for an initial artificial bone-substitute implant? A single-center experience after 631 procedures.

Schwarz F, Dünisch P, Walter J, Sakr Y, Kalff R, Ewald C.

J Neurosurg. 2016 Mar;124(3):710-5. doi: 10.3171/2015.4.JNS159. Epub 2015 Sep 25.


Veterinarians Visiting Swine Farms Are at High Risk for Colonization With Livestock-Associated Methicillin-Resistant Staphylococcus aureus.

Walter J, Espelage W, Cuny C, Jansen A, Witte W, Eckmanns T, Hermes J.

Clin Infect Dis. 2016 Jan 1;62(1):126-8. doi: 10.1093/cid/civ752. Epub 2015 Sep 3. No abstract available.


Long-term outcomes of a pediatric HIV treatment program in Maputo, Mozambique: a cohort study.

Walter J, Molfino L, Moreno V, Edwards CG, Chissano M, Prieto A, Bocharnikova T, Antierens A, Lujan J.

Glob Health Action. 2015 Aug 17;8:26652. doi: 10.3402/gha.v8.26652. eCollection 2015.


Selection of suitable reference genes for expression analysis in human glioma using RT-qPCR.

Grube S, Göttig T, Freitag D, Ewald C, Kalff R, Walter J.

J Neurooncol. 2015 May;123(1):35-42. doi: 10.1007/s11060-015-1772-7. Epub 2015 Apr 11.


Parafalcine mass with meningothelial and chondroid features.

Haciyakupoglu E, Sav A, Kalff R, Haciyakupoglu S, Walter J.

Clin Neuropathol. 2015 Mar-Apr;34(2):99-103. doi: 10.5414/NP300786. No abstract available.


Overexpression of fatty acid synthase in human gliomas correlates with the WHO tumor grade and inhibition with Orlistat reduces cell viability and triggers apoptosis.

Grube S, Dünisch P, Freitag D, Klausnitzer M, Sakr Y, Walter J, Kalff R, Ewald C.

J Neurooncol. 2014 Jun;118(2):277-287. doi: 10.1007/s11060-014-1452-z. Epub 2014 May 1.


Multiple intracranial tumors: coexistence of a glioblastoma and null cell pituitary adenoma within the same patient.

Haciyakupoglu E, Sav A, Haciyakupoglu S, Walter J.

Clin Neurol Neurosurg. 2014 May;120:120-3. doi: 10.1016/j.clineuro.2014.03.002. Epub 2014 Mar 13. No abstract available.


High attrition among HIV-infected patients with advanced disease treated in an intermediary referral center in Maputo, Mozambique.

Molfino L, Kumar AM, Isaakidis P, Van den Bergh R, Khogali M, Hinderaker SG, Magaia A, Lobo S, Edwards CG, Walter J.

Glob Health Action. 2014 Apr 8;7:23758. doi: 10.3402/gha.v7.23758. eCollection 2014.


Denervation and atrophy of paraspinal muscles after open lumbar interbody fusion is associated with clinical outcome--electromyographic and CT-volumetric investigation of 30 patients.

Waschke A, Hartmann C, Walter J, Dünisch P, Wahnschaff F, Kalff R, Ewald C.

Acta Neurochir (Wien). 2014 Feb;156(2):235-44. doi: 10.1007/s00701-013-1981-9. Epub 2014 Jan 3.


Methylation-specific multiplex ligation-dependent probe amplification and its impact on clinical findings in medulloblastoma.

Feierabend D, Walter J, Grube S, Herbold C, Beetz C, Kalff R, Ewald C.

J Neurooncol. 2014 Jan;116(2):213-20. doi: 10.1007/s11060-013-1286-0. Epub 2013 Oct 27.


Bone flap necrosis after decompressive hemicraniectomy for malignant middle cerebral artery infarction.

Ewald C, Duenisch P, Walter J, Götz T, Witte OW, Kalff R, Günther A.

Neurocrit Care. 2014 Feb;20(1):91-7. doi: 10.1007/s12028-013-9892-4.


HIV-1 concentrations in human breast milk before and after weaning.

Kuhn L, Kim HY, Walter J, Thea DM, Sinkala M, Mwiya M, Kankasa C, Decker D, Aldrovandi GM.

Sci Transl Med. 2013 Apr 17;5(181):181ra51. doi: 10.1126/scitranslmed.3005113. Erratum in: Sci Transl Med. 2013 Nov 27;5(213):213er10.


Expandable titanium cages for anterior column cervical reconstruction and their effect on sagittal profile: a review of 48 cases.

Waschke A, Kaczor S, Walter J, Duenisch P, Kalff R, Ewald C.

Acta Neurochir (Wien). 2013 May;155(5):801-7; discussion 807. doi: 10.1007/s00701-013-1655-7. Epub 2013 Mar 12.


Risk factors of aseptic bone resorption: a study after autologous bone flap reinsertion due to decompressive craniotomy.

Dünisch P, Walter J, Sakr Y, Kalff R, Waschke A, Ewald C.

J Neurosurg. 2013 May;118(5):1141-7. doi: 10.3171/2013.1.JNS12860. Epub 2013 Mar 1.


Multifocal glioblastoma multiforme in the posterior fossa mimicking cerebral metastases: case presentation and review of the current literature.

Walter J, Koch A, Herbold C, Schiffler S, Reichart R, Waschke A, Kalff R.

J Neurol Surg A Cent Eur Neurosurg. 2013 Dec;74 Suppl 1:e30-5. doi: 10.1055/s-0032-1330113. Epub 2013 Feb 20.


Anterior cervical intercorporal fusion in patients with osteoporotic or tumorous fractures using a cement augmented cervical plate system: first results of a prospective single-center study.

Waschke A, Walter J, Duenisch P, Kalff R, Ewald C.

J Spinal Disord Tech. 2013 May;26(3):E112-7. doi: 10.1097/BSD.0b013e3182764b37.


CT-navigation versus fluoroscopy-guided placement of pedicle screws at the thoracolumbar spine: single center experience of 4,500 screws.

Waschke A, Walter J, Duenisch P, Reichart R, Kalff R, Ewald C.

Eur Spine J. 2013 Mar;22(3):654-60. doi: 10.1007/s00586-012-2509-3. Epub 2012 Sep 23.


Do bites of kissing bugs cause unexplained allergies? Results from a survey in triatomine-exposed and unexposed areas in southern california.

Walter J, Fletcher E, Moussaoui R, Gandhi K, Weirauch C.

PLoS One. 2012;7(8):e44016. doi: 10.1371/journal.pone.0044016. Epub 2012 Aug 28.


Cerebral abscess due to Lactococcus lactis cremoris in a child after sinusitis.

Feierabend D, Reichart R, Romeike B, Kalff R, Walter J.

Clin Neurol Neurosurg. 2013 May;115(5):614-6. doi: 10.1016/j.clineuro.2012.06.007. Epub 2012 Jul 4. No abstract available.


Cement leakage as a possible complication of balloon kyphoplasty--is there a difference between osteoporotic compression fractures (AO type A1) and incomplete burst fractures (AO type A3.1)?

Walter J, Haciyakupoglu E, Waschke A, Kalff R, Ewald C.

Acta Neurochir (Wien). 2012 Feb;154(2):313-9. doi: 10.1007/s00701-011-1239-3. Epub 2011 Dec 8.


Palliative considerations in the surgical treatment of spinal metastases: evaluation of posterolateral decompression combined with posterior instrumentation.

Walter J, Reichart R, Waschke A, Kalff R, Ewald C.

J Cancer Res Clin Oncol. 2012 Feb;138(2):301-10. doi: 10.1007/s00432-011-1100-3. Epub 2011 Nov 30.


Expression of coagulation factors and their receptors in tumor tissue and coagulation factor upregulation in peripheral blood of patients with cerebral carcinoma metastases.

Walter J, Handel LL, Brodhun M, van Rossum D, Hanisch UK, Liebmann L, Heppner F, Goldbrunner R, Koch A, Kuhn SA.

J Cancer Res Clin Oncol. 2012 Jan;138(1):141-51. doi: 10.1007/s00432-011-1078-x. Epub 2011 Nov 8.


Immunomodulatory factors in cervicovaginal secretions from pregnant and non-pregnant women: a cross-sectional study.

Walter J, Fraga L, Orin MJ, Decker WD, Gipps T, Stek A, Aldrovandi GM.

BMC Infect Dis. 2011 Sep 30;11:263. doi: 10.1186/1471-2334-11-263.


Cerebral metastasis of a primary heart sarcoma.

Kuhn SA, Walter J, Petersen I, Mueller U, Reichart R, Kalff R.

Neurol Neurochir Pol. 2010 Mar-Apr;44(2):188-95.


Neural cell adhesion molecule isoform 140 declines with rise of WHO grade in human gliomas and serves as indicator for the invasion zone of multiform glioblastomas and brain metastases.

Duenisch P, Reichart R, Mueller U, Brodhun M, Bjerkvig R, Romeike B, Walter J, Herbold C, Regenbrecht CR, Kalff R, Kuhn SA.

J Cancer Res Clin Oncol. 2011 Mar;137(3):399-414. doi: 10.1007/s00432-010-0888-6. Epub 2010 May 4.


Restriction of HIV-1 genotypes in breast milk does not account for the population transmission genetic bottleneck that occurs following transmission.

Heath L, Conway S, Jones L, Semrau K, Nakamura K, Walter J, Decker WD, Hong J, Chen T, Heil M, Sinkala M, Kankasa C, Thea DM, Kuhn L, Mullins JI, Aldrovandi GM.

PLoS One. 2010 Apr 20;5(4):e10213. doi: 10.1371/journal.pone.0010213.


4E10-resistant HIV-1 isolated from four subjects with rare membrane-proximal external region polymorphisms.

Nakamura KJ, Gach JS, Jones L, Semrau K, Walter J, Bibollet-Ruche F, Decker JM, Heath L, Decker WD, Sinkala M, Kankasa C, Thea D, Mullins J, Kuhn L, Zwick MB, Aldrovandi GM.

PLoS One. 2010 Mar 23;5(3):e9786. doi: 10.1371/journal.pone.0009786.


PEEK cages as a potential alternative in the treatment of cervical spondylodiscitis: a preliminary report on a patient series.

Walter J, Kuhn SA, Reichart R, Kalff R, Ewald C.

Eur Spine J. 2010 Jun;19(6):1004-9. doi: 10.1007/s00586-009-1265-5. Epub 2010 Jan 13.


Antiretroviral exposure and lymphocyte mtDNA content among uninfected infants of HIV-1-infected women.

Aldrovandi GM, Chu C, Shearer WT, Li D, Walter J, Thompson B, McIntosh K, Foca M, Meyer WA 3rd, Ha BF, Rich KC, Moye J Jr.

Pediatrics. 2009 Dec;124(6):e1189-97. doi: 10.1542/peds.2008-2771. Epub 2009 Nov 23.


High concentrations of interleukin 15 in breast milk are associated with protection against postnatal HIV transmission.

Walter J, Ghosh MK, Kuhn L, Semrau K, Sinkala M, Kankasa C, Thea DM, Aldrovandi GM.

J Infect Dis. 2009 Nov 15;200(10):1498-502. doi: 10.1086/644603.


Detection of low levels of human immunodeficiency virus (HIV) may be critical for early diagnosis of pediatric HIV infection by use of dried blood spots.

Walter J, Kuhn L, Semrau K, Decker DW, Sinkala M, Kankasa C, Thea DM, Bulterys M, Ou CY, Aldrovandi GM.

J Clin Microbiol. 2009 Sep;47(9):2989-91. doi: 10.1128/JCM.02453-08. Epub 2009 Jul 22.


Smoking history and the incidence of age-related macular degeneration--results from the Muenster Aging and Retina Study (MARS) cohort and systematic review and meta-analysis of observational longitudinal studies.

Neuner B, Komm A, Wellmann J, Dietzel M, Pauleikhoff D, Walter J, Busch M, Hense HW.

Addict Behav. 2009 Nov;34(11):938-47. doi: 10.1016/j.addbeh.2009.05.015. Epub 2009 May 27. Review.


Advances in basic science understanding of mother-to-child HIV-1 transmission.

Walter J, Kuhn L, Aldrovandi GM.

Curr Opin HIV AIDS. 2008 Mar;3(2):146-50. doi: 10.1097/COH.0b013e3282f50bb2.


Multiplanar MRI-CT fusion neuronavigation-guided serial stereotactic biopsy of human brain tumors: proof of a strong correlation between tumor imaging and histopathology by a new technical approach.

Kuhn SA, Romeike B, Walter J, Kalff R, Reichart R.

J Cancer Res Clin Oncol. 2009 Sep;135(9):1293-302. doi: 10.1007/s00432-009-0571-y. Epub 2009 Mar 24.


Pulmonary meningioma and neurinoma associated with multiple CNS tumours in a patient with neurofibromatosis type 2.

Walter J, Kuhn SA, Brodhun M, Reichart R, Kalff R.

Clin Neurol Neurosurg. 2009 Jun;111(5):454-9. doi: 10.1016/j.clineuro.2008.11.018. Epub 2009 Feb 26.


Reuse of single-dose nevirapine in subsequent pregnancies for the prevention of mother-to-child HIV transmission in Lusaka, Zambia: a cohort study.

Walter J, Kuhn L, Kankasa C, Semrau K, Sinkala M, Thea DM, Aldrovandi GM.

BMC Infect Dis. 2008 Dec 30;8:172. doi: 10.1186/1471-2334-8-172.


Effects of early, abrupt weaning on HIV-free survival of children in Zambia.

Kuhn L, Aldrovandi GM, Sinkala M, Kankasa C, Semrau K, Mwiya M, Kasonde P, Scott N, Vwalika C, Walter J, Bulterys M, Tsai WY, Thea DM; Zambia Exclusive Breastfeeding Study.

N Engl J Med. 2008 Jul 10;359(2):130-41. doi: 10.1056/NEJMoa073788. Epub 2008 Jun 4. Erratum in: N Engl J Med. 2008 Oct 23;359(17):1859.

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