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Piotr Walczak

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TOP 3
Yajie Liang; Piotr Walczak; Jeff W M Bulte
The survival of engrafted neural stem cells within hyaluronic acid hydrogels.
Kannie W Y Chan; Assaf A Gilad; Justin Hanes; Heechul Kim; GUANSHU LIU; Xiaolei Song; Peter C M van Zijl; Piotr Walczak; Tao Yu; Dian R Arifin; Jeff W M Bulte; Michael McMahon
MRI-detectable pH nanosensors incorporated into hydrogels for in vivo sensing of transplanted-cell viability.
Amnon Bar-Shir; Jeff W M Bulte; Marc M Greenberg; Yajie Liang; GUANSHU LIU; Michael McMahon; Sridhar Nimmagadda ; Martin G Pomper; Keri A Tallman; Peter C M van Zijl; Piotr Walczak; Nirbhay N Yadav; Assaf A Gilad
Transforming thymidine into a magnetic resonance imaging probe for monitoring gene expression.

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All Publications

2013: Yajie Liang; Piotr Walczak; Jeff W M Bulte
The survival of engrafted neural stem cells within hyaluronic acid hydrogels.
Biomaterials 2013;34(22):5521-9.
2013: Kannie W Y Chan; Assaf A Gilad; Justin Hanes; Heechul Kim; GUANSHU LIU; Xiaolei Song; Peter C M van Zijl; Piotr Walczak; Tao Yu; Dian R Arifin; Jeff W M Bulte; Michael McMahon
MRI-detectable pH nanosensors incorporated into hydrogels for in vivo sensing of transplanted-cell viability.
Nature materials 2013;12(3):268-75.
2013: Amnon Bar-Shir; Jeff W M Bulte; Marc M Greenberg; Yajie Liang; GUANSHU LIU; Michael McMahon; Sridhar Nimmagadda ; Martin G Pomper; Keri A Tallman; Peter C M van Zijl; Piotr Walczak; Nirbhay N Yadav; Assaf A Gilad
Transforming thymidine into a magnetic resonance imaging probe for monitoring gene expression.
Journal of the American Chemical Society 2013;135(4):1617-24.
2013: Stacey M Cromer Berman; Andre Levchenko; Inema Orukari; Jeff W M Bulte; C Joanne Wang; Piotr Walczak
Cell motility of neural stem cells is reduced after SPIO-labeling, which is mitigated after exocytosis.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2013;69(1):255-62.
2012: E H J G Aarntzen; Jeff W M Bulte; I Jolanda M De Vries; Carl G Figdor; Arend Heerschap; Miroslaw Janowski; Mangala Srinivas; Piotr Walczak; Wim J G Oyen
In vivo tracking techniques for cellular regeneration, replacement, and redirection.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2012;53(12):1825-8.
2012: Heechul Kim; Naser Muja; Piotr Walczak; Chulani Galpoththawela; Assaf A Gilad; Candace Kerr; Jeff W M Bulte
Immunomodulation by transplanted human embryonic stem cell-derived oligodendroglial progenitors in experimental autoimmune encephalomyelitis.
Stem cells (Dayton, Ohio) 2012;30(12):2820-9.
2012: Michael Gorelik; Douglas A Kerr; Heechul Kim; Andre Levchenko; Michael Levy; Inema Orukari; Amnon Bar-Shir; Jeff W M Bulte; Shashikala Galpoththawela; Assaf A Gilad; Joanne Wang; Piotr Walczak
Use of MR cell tracking to evaluate targeting of glial precursor cells to inflammatory tissue by exploiting the very late antigen-4 docking receptor.
Radiology 2012;265(1):175-85.
2012: Miroslaw Janowski; Jeff W M Bulte; Piotr Walczak
Personalized nanomedicine advancements for stem cell tracking.
Advanced drug delivery reviews 2012;64(13):1488-507.
2012: Miroslaw Janowski; Hanna Kozlowska; Barbara Lukomska; Inema Orukari; Segun Bernard; Jeff W M Bulte; Anna Jablonska; Piotr Walczak
Neonatal desensitization does not universally prevent xenograft rejection.
Nature methods 2012;9(9):856-8; author reply 858.
2012: Heechul Kim; Naser Muja; Piotr Walczak; James T Campanelli; Jeff W M Bulte
ICV-transplanted human glial precursor cells are short-lived yet exert immunomodulatory effects in mice with EAE.
Glia 2012;60(7):1117-29.
2012: Dorota A Kedziorek; Bernard Kohl; Brian W Simons; Piotr Walczak; Brad P Barnett; Jeff W M Bulte; Kenyatta M Cosby; Yingli Fu; Kathleen L Gabrielson; Wesley D Gilson; Lawrence Vincent Hofmann; Dara L Kraitchman
X-ray-visible microcapsules containing mesenchymal stem cells improve hind limb perfusion in a rabbit model of peripheral arterial disease.
Stem cells (Dayton, Ohio) 2012;30(6):1286-96.
2012: GUANSHU LIU; Chris M Long; Jeff W M Bulte; Amanda Cardona; Kannie W Y Chan; Assaf A Gilad; Yah-el Har-el; Muksit Jamil; Matthew Moake; George Sgouros; Peter C M van Zijl; Piotr Walczak; Michael McMahon
In vivo multicolor molecular MR imaging using diamagnetic chemical exchange saturation transfer liposomes.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2012;67(4):1106-13.
2012: Michael Gorelik; Miroslaw Janowski; Douglas A Kerr; Michael Levy; Barbara Lukomska; Robert Rifkin; Jeff W M Bulte; Chulani Galpoththawela; Piotr Walczak
Noninvasive monitoring of immunosuppressive drug efficacy to prevent rejection of intracerebral glial precursor allografts.
Cell transplantation 2012;21(10):2149-57.
2012: Yajie Liang; Piotr Walczak; Jeff W M Bulte
Comparison of red-shifted firefly luciferase Ppy RE9 and conventional Luc2 as bioluminescence imaging reporter genes for in vivo imaging of stem cells.
Journal of biomedical optics 2012;17(1):016004.
2011: GUANSHU LIU; Michael McMahon; Terence Tse; Peter C M van Zijl; Piotr Walczak; Nirbhay N Yadav; Amnon Bar-Shir; Segun M Bernard; Jeff W M Bulte; Kannie W Y Chan; Chulani S Galpoththawela; Yajie Liang; Assaf A Gilad
Monitoring enzyme activity using a diamagnetic chemical exchange saturation transfer magnetic resonance imaging contrast agent.
Journal of the American Chemical Society 2011;133(41):16326-9.
2011: Brad P Barnett; Aravid Arepally; Vadappuram P Chacko; Wesley D Gilson; Partha Hota; Dara L Kraitchman; Cal Lauzon; Ronald Ouwerkerk; Jesus Ruiz-Cabello; Michael J Shamblott; Piotr Walczak; Jeff W M Bulte
Use of perfluorocarbon nanoparticles for non-invasive multimodal cell tracking of human pancreatic islets.
Contrast media & molecular imaging 2011;6(4):251-9.
2011: Stacey M Cromer Berman; Piotr Walczak; Jeff W M Bulte
Tracking stem cells using magnetic nanoparticles.
Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnology 2011;3(4):343-55.
2011: Naser Muja; Mikhal E Cohen; Jiangyang Zhang; Heechul Kim; Assaf A Gilad; Piotr Walczak; Tamir Ben-Hur; Jeff W M Bulte
Neural precursors exhibit distinctly different patterns of cell migration upon transplantation during either the acute or chronic phase of EAE: a serial MR imaging study.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2011;65(6):1738-49.
2011: Nan Li; John E Downey; Amnon Bar-Shir; Assaf A Gilad; Piotr Walczak; Heechul Kim; Suresh E Joel; James J Pekar; Nitish V Thakor; Galit Pelled
Optogenetic-guided cortical plasticity after nerve injury.
Proceedings of the National Academy of Sciences of the United States of America 2011;108(21):8838-43.
2011: Piotr Walczak; ANGELO ALL; Nidhi Rumpal; Michael Gorelik; Heechul Kim; Anil Maybhate; Gracee Agrawal; James T Campanelli; Assaf A Gilad; Douglas A Kerr; Jeff W M Bulte
Human glial-restricted progenitors survive, proliferate, and preserve electrophysiological function in rats with focal inflammatory spinal cord demyelination.
Glia 2011;59(3):499-510.
2011: Stacey Cromer Berman; Chulani Galpoththawela; Assaf A Gilad; Jeff W M Bulte; Piotr Walczak
Long-term MR cell tracking of neural stem cells grafted in immunocompetent versus immunodeficient mice reveals distinct differences in contrast between live and dead cells.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2011;65(2):564-74.
2011: Stacey M Cromer Berman; Piotr Walczak; Jeff W M Bulte
MRI of transplanted neural stem cells.
Methods in molecular biology (Clifton, N.J.) 2011;711():435-49.
2011: Brad P Barnett; Jesús Ruiz-Cabello; Partha Hota; Liddell Robert; Piotr Walczak; Valerie Howland; Vadappuram P Chacko; Dara L Kraitchman; Aravid Arepally; Jeff W M Bulte
Fluorocapsules for improved function, immunoprotection, and visualization of cellular therapeutics with MR, US, and CT imaging.
Radiology 2011;258(1):182-91.
2010: Raoul D Oude Engberink; Susanne M A van der Pol; Piotr Walczak; Annette van der Toorn; Max A Viergever; Christine D Dijkstra; Jeff W M Bulte; Helga E de Vries; Erwin L A Blezer
Magnetic resonance imaging of monocytes labeled with ultrasmall superparamagnetic particles of iron oxide using magnetoelectroporation in an animal model of multiple sclerosis.
Molecular imaging 2010;9(5):268-77.
2010: ANGELO ALL; Gracee Agrawal; Piotr Walczak; Anil Maybhate; Jeff W M Bulte; Douglas A Kerr
Evoked potential and behavioral outcomes for experimental autoimmune encephalomyelitis in Lewis rats.
Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology 2010;31(5):595-601.
2010: Bensheng Qiu; Daohai Xie; Piotr Walczak; Xubin Li; Jesus Ruiz-Cabello; Satoshi Minoshima; Jeff W M Bulte; Xiaoming Yang
Magnetosonoporation: instant magnetic labeling of stem cells.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2010;63(6):1437-41.
2010: Daohai Xie; Bensheng Qiu; Piotr Walczak; Xubin Li; Jesus Ruiz-Cabello; Satoshi Minoshima; Jeff W M Bulte; Xiaoming Yang
Optimization of magnetosonoporation for stem cell labeling.
NMR in biomedicine 2010;23(5):480-4.
2010: Dorota A Kedziorek; Naser Muja; Piotr Walczak; Jesus Ruiz-Cabello; Assaf A Gilad; Chunfa Jie; Jeff W M Bulte
Gene expression profiling reveals early cellular responses to intracellular magnetic labeling with superparamagnetic iron oxide nanoparticles.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2010;63(4):1031-43.
2010: Miroslaw Janowski; Piotr Walczak; Isao Date
Intravenous route of cell delivery for treatment of neurological disorders: a meta-analysis of preclinical results.
Stem cells and development 2010;19(1):5-16.
2009: ANGELO ALL; Piotr Walczak; Gracee Agrawal; Michael Gorelik; Christopher Lee; Nitish V Thakor; Jeff W M Bulte; Douglas A Kerr
Effect of MOG sensitization on somatosensory evoked potential in Lewis rats.
Journal of the neurological sciences 2009;284(1-2):81-9.
2009: Assaf A Gilad; Hanneke W M van Laarhoven; Michael McMahon; Piotr Walczak; Arend Heerschap; Michal Neeman; Peter C M van Zijl; Jeff W M Bulte
Feasibility of concurrent dual contrast enhancement using CEST contrast agents and superparamagnetic iron oxide particles.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2009;61(4):970-4.
2008: Jesús Ruiz-Cabello; Piotr Walczak; Dorota A Kedziorek; Vadappuram P Chacko; Anna H Schmieder; Samuel A Wickline; Gregory M Lanza; Jeff W M Bulte
In vivo "hot spot" MR imaging of neural stem cells using fluorinated nanoparticles.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2008;60(6):1506-11.
2008: Grigorios Korosoglou; Robert G Weiss; Dorota A Kedziorek; Piotr Walczak; Wesley D Gilson; Michael Schär; David E Sosnovik; Dara L Kraitchman; Raymond C Boston; Jeff W M Bulte; Ralph Weissleder; Matthias Stuber
Noninvasive detection of macrophage-rich atherosclerotic plaque in hyperlipidemic rabbits using "positive contrast" magnetic resonance imaging.
Journal of the American College of Cardiology 2008;52(6):483-91.
2008: Assaf A Gilad; Piotr Walczak; Michael McMahon; Hyon Bin Na; Jung Hee Lee; Kwangjin An; Taegwhan Hyeon; Peter C M van Zijl; Jeff W M Bulte
MR tracking of transplanted cells with "positive contrast" using manganese oxide nanoparticles.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2008;60(1):1-7.
2008: Piotr Walczak; Jian-Min Zhang; Assaf A Gilad; Dorota A Kedziorek; Jesus Ruiz-Cabello; Randell G Young; Mark F Pittenger; Peter C M van Zijl; Judy Huang; Jeff W M Bulte
Dual-modality monitoring of targeted intraarterial delivery of mesenchymal stem cells after transient ischemia.
Stroke; a journal of cerebral circulation 2008;39(5):1569-74.
2008: Maria Mikhaylova; Noriko Mori; Flonné B Wildes; Piotr Walczak; Barjor Gimi; Zaver M Bhujwalla
Hypoxia increases breast cancer cell-induced lymphatic endothelial cell migration.
Neoplasia (New York, N.Y.) 2008;10(4):380-9.
2007: Fabao Gao; Sourav Kar; Jiangyang Zhang; Bensheng Qiu; Piotr Walczak; Malika Larabi; Rong Xue; Emma Frost; Zhiping Qian; Jeff W M Bulte; Xiaoming Yang
MRI of intravenously injected bone marrow cells homing to the site of injured arteries.
NMR in biomedicine 2007;20(7):673-81.
2007: Piotr Walczak; Ning Chen; David Eve; Jennifer Hudson; Tanja Zigova; Juan Sanchez-Ramos; Paul Sanberg; Cyndy Davis Sanberg; Alison E Willing
Long-term cultured human umbilical cord neural-like cells transplanted into the striatum of NOD SCID mice.
Brain research bulletin 2007;74(1-3):155-63.
2007: Brad Barnett; Aravid Arepally; Parag V Karmarkar; DI QIAN; Wesley D Gilson; Piotr Walczak; Valerie Howland; Leo P Lawler; Cal Lauzon; Matthias Stuber; Dara L Kraitchman; Jeff W M Bulte
Magnetic resonance-guided, real-time targeted delivery and imaging of magnetocapsules immunoprotecting pancreatic islet cells.
Nature medicine 2007;13(8):986-91.
2007: Piotr Walczak; Dorota A Kedziorek; Assaf A Gilad; Brad Barnett; Jeff W M Bulte
Applicability and limitations of MR tracking of neural stem cells with asymmetric cell division and rapid turnover: the case of the shiverer dysmyelinated mouse brain.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2007;58(2):261-9.
2007: Bensheng Qiu; Fabao Gao; Piotr Walczak; Jiangyang Zhang; Sourav Kar; Jeff W M Bulte; Xiaoming Yang
In vivo MR imaging of bone marrow cells trafficking to atherosclerotic plaques.
Journal of magnetic resonance imaging : JMRI 2007;26(2):339-43.
2007: Pauline Verdijk; Tom W J Scheenen; W Joost Lesterhuis; Giulio Gambarota; Andor A Veltien; Piotr Walczak; Nicole M Scharenborg; Jeff W M Bulte; Cornelis J A Punt; Arend Heerschap; Carl G Figdor; I Jolanda M De Vries
Sensitivity of magnetic resonance imaging of dendritic cells for in vivo tracking of cellular cancer vaccines.
International journal of cancer. Journal international du cancer 2007;120(5):978-84.
2007: Assaf A Gilad; Michael McMahon; Piotr Walczak; Paul T Winnard; Venu Raman; Hanneke W M van Laarhoven; Cynthia M Skoglund; Jeff W M Bulte; Peter C M van Zijl
Artificial reporter gene providing MRI contrast based on proton exchange.
Nature biotechnology 2007;25(2):217-9.
2007: Piotr Walczak; Jeff W M Bulte
The role of noninvasive cellular imaging in developing cell-based therapies for neurodegenerative disorders.
Neuro-degenerative diseases 2007;4(4):306-13.
2006: Brad Barnett; Dara L Kraitchman; C Lauzon; Carolyn A Magee; Piotr Walczak; Wesley D Gilson; Aravid Arepally; Jeff W M Bulte
Radiopaque alginate microcapsules for X-ray visualization and immunoprotection of cellular therapeutics.
Molecular pharmaceutics 2006;3(5):531-8.
2006: Angelo C Lepore; Piotr Walczak; Mahendra S Rao; Itzhak Fischer; Jeff W M Bulte
MR imaging of lineage-restricted neural precursors following transplantation into the adult spinal cord.
Experimental neurology 2006;201(1):49-59.
2006: Piotr Walczak; Jesus Ruiz-Cabello; Dorota A Kedziorek; Assaf A Gilad; Sopo Lin; Brad Barnett; LU QIN; Hyam I Levitsky; Jeff W M Bulte
Magnetoelectroporation: improved labeling of neural stem cells and leukocytes for cellular magnetic resonance imaging using a single FDA-approved agent.
Nanomedicine : nanotechnology, biology, and medicine 2006;2(2):89-94.
2005: Ning Chen; Jennifer Hudson; Piotr Walczak; Iwona Misiuta; Svitlana Garbuzova-Davis; Lixian Jiang; Juan Sanchez-Ramos; Paul Sanberg; Tanja Zigova; Alison E Willing
Human umbilical cord blood progenitors: the potential of these hematopoietic cells to become neural.
Stem cells (Dayton, Ohio) 2005;23(10):1560-70.
2005: Piotr Walczak; Dorota A Kedziorek; Assaf A Gilad; S Lin; Jeff W M Bulte
Instant MR labeling of stem cells using magnetoelectroporation.
Magnetic resonance in medicine : official journal of the Society of Magnetic Resonance in Medicine / Society of Magnetic Resonance in Medicine 2005;54(4):769-74.
2005: Dara L Kraitchman; Mitsuaki Tatsumi; Wesley D Gilson; Takayoshi Ishimori; Dorota A Kedziorek; Piotr Walczak; W Paul Segars; Hunter H Chen; Danielle Fritzges; Izlem Izbudak; Randell G Young; Michelle Marcelino; Mark F Pittenger; Meiyappan Solaiyappan; Raymond C Boston; Benjamin M W Tsui; Richard L Wahl; Jeff W M Bulte
Dynamic imaging of allogeneic mesenchymal stem cells trafficking to myocardial infarction.
Circulation 2005;112(10):1451-61.
2004: Jennifer Hudson; Ning Chen; Shijie Song; Piotr Walczak; P Jendelová; E Sykova; Alison E Willing; Samuel Saporta; Paula C Bickford; Juan Sanchez-Ramos; Tanja Zigova
Green fluorescent protein bone marrow cells express hematopoietic and neural antigens in culture and migrate within the neonatal rat brain.
Journal of neuroscience research 2004;76(2):255-64.
2004: Piotr Walczak; Ning Chen; Jennifer Hudson; Alison E Willing; Svitlana Garbuzova-Davis; Shijie Song; Paul Sanberg; Juan Sanchez-Ramos; Paula C Bickford; Tanja Zigova
Do hematopoietic cells exposed to a neurogenic environment mimic properties of endogenous neural precursors?
Journal of neuroscience research 2004;76(2):244-54.