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Items: 1 to 50 of 55

1.

Structure, Assembly, and Disassembly of Tubulin Single Rings.

Shemesh A, Ginsburg A, Levi-Kalisman Y, Ringel I, Raviv U.

Biochemistry. 2018 Oct 30;57(43):6153-6165. doi: 10.1021/acs.biochem.8b00560. Epub 2018 Oct 9.

PMID:
30247898
2.

Structure of Dynamic, Taxol-Stabilized, and GMPPCP-Stabilized Microtubule.

Ginsburg A, Shemesh A, Millgram A, Dharan R, Levi-Kalisman Y, Ringel I, Raviv U.

J Phys Chem B. 2017 Sep 14;121(36):8427-8436. doi: 10.1021/acs.jpcb.7b01057. Epub 2017 Sep 1.

PMID:
28820593
3.

Reciprocal Grids: A Hierarchical Algorithm for Computing Solution X-ray Scattering Curves from Supramolecular Complexes at High Resolution.

Ginsburg A, Ben-Nun T, Asor R, Shemesh A, Ringel I, Raviv U.

J Chem Inf Model. 2016 Aug 22;56(8):1518-27. doi: 10.1021/acs.jcim.6b00159. Epub 2016 Jul 29.

PMID:
27410762
4.

Characterization of ovarian cancer cell metabolism and response to chemotherapy by (31)p magnetic resonance spectroscopy.

Abramov Y, Carmi S, Anteby SO, Ringel I.

Oncol Res. 2013;20(11):529-36. doi: 10.3727/096504013X13747716581372.

PMID:
24063283
5.

Ex vivo 1H and 31P magnetic resonance spectroscopy as a means for tumor characterization in ovarian cancer patients.

Abramov Y, Carmi S, Anteby SO, Ringel I.

Oncol Rep. 2013 Jan;29(1):321-8. doi: 10.3892/or.2012.2071. Epub 2012 Oct 5.

PMID:
23042519
6.

Shedding of phosphatidylserine from developing erythroid cells involves microtubule depolymerization and affects membrane lipid composition.

Freikman I, Ringel I, Fibach E.

J Membr Biol. 2012 Dec;245(12):779-87. doi: 10.1007/s00232-012-9478-7. Epub 2012 Jul 24.

PMID:
22825717
7.

31P-magnetic resonance spectra of ovarian cancer cells exposed to chemotherapy within a three-dimensional Matrigel construct.

Abramov Y, Carmi S, Cohen JS, Anteby SO, Ringel I.

Oncol Rep. 2012 Aug;28(2):735-41. doi: 10.3892/or.2012.1810. Epub 2012 May 10.

PMID:
22581188
8.

Multiple triphenylphosphonium cations as a platform for the delivery of a pro-apoptotic peptide.

Kolevzon N, Kuflik U, Shmuel M, Benhamron S, Ringel I, Yavin E.

Pharm Res. 2011 Nov;28(11):2780-9. doi: 10.1007/s11095-011-0494-6. Epub 2011 Jun 2.

PMID:
21633875
9.

Oxidative stress-induced membrane shedding from RBCs is Ca flux-mediated and affects membrane lipid composition.

Freikman I, Ringel I, Fibach E.

J Membr Biol. 2011 Mar;240(2):73-82. doi: 10.1007/s00232-011-9345-y. Epub 2011 Jan 23.

PMID:
21259001
10.

A'-form RNA helices are required for cytoplasmic mRNA transport in Drosophila.

Bullock SL, Ringel I, Ish-Horowicz D, Lukavsky PJ.

Nat Struct Mol Biol. 2010 Jun;17(6):703-9. doi: 10.1038/nsmb.1813. Epub 2010 May 16.

11.

Multiple triphenylphosphonium cations shuttle a hydrophilic peptide into mitochondria.

Abu-Gosh SE, Kolvazon N, Tirosh B, Ringel I, Yavin E.

Mol Pharm. 2009 Jul-Aug;6(4):1138-44. doi: 10.1021/mp900032r.

PMID:
19534554
12.

A flow cytometry approach for quantitative analysis of cellular phosphatidylserine distribution and shedding.

Freikman I, Amer J, Ringel I, Fibach E.

Anal Biochem. 2009 Oct 1;393(1):111-6. doi: 10.1016/j.ab.2009.06.011. Epub 2009 Jun 14.

PMID:
19531362
13.

De novo ceramide synthesis is required for N-linked glycosylation in plasma cells.

Goldfinger M, Laviad EL, Hadar R, Shmuel M, Dagan A, Park H, Merrill AH Jr, Ringel I, Futerman AH, Tirosh B.

J Immunol. 2009 Jun 1;182(11):7038-47. doi: 10.4049/jimmunol.0802990.

14.
15.
16.

Oxidative stress causes membrane phospholipid rearrangement and shedding from RBC membranes--an NMR study.

Freikman I, Amer J, Cohen JS, Ringel I, Fibach E.

Biochim Biophys Acta. 2008 Oct;1778(10):2388-94. doi: 10.1016/j.bbamem.2008.06.008. Epub 2008 Jun 18.

17.

The Faces Symbol Test, a newly developed screening instrument to assess cognitive decline related to multiple sclerosis: first results of the Berlin Multi-Centre FST Validation Study.

Scherer P, Penner IK, Rohr A, Boldt H, Ringel I, Wilke-Burger H, Burger-Deinerth E, Isakowitsch K, Zimmermann M, Zahrnt S, Hauser R, Hilbert K, Tiel-Wilck K, Anvari K, Behringer A, Peglau I, Friedrich H, Plenio A, Benesch G, Ehret R, Nippert I, Finke G, Schulz I, Bergtholdt B, Breitkopf S, Kaskel P, Reischies F, Kugler J.

Mult Scler. 2007 Apr;13(3):402-11. Epub 2007 Jan 29.

PMID:
17439910
18.

Intravenous immunoglobulin therapy in neurological diseases during pregnancy.

Ringel I, Zettl UK.

J Neurol. 2006 Sep;253 Suppl 5:V70-4. Review. Erratum in: J Neurol. 2008 Feb;255(2):308.

PMID:
16998758
19.

Antagonistic effects of cofilin, beryllium fluoride complex, and phalloidin on subdomain 2 and nucleotide-binding cleft in F-actin.

Muhlrad A, Ringel I, Pavlov D, Peyser YM, Reisler E.

Biophys J. 2006 Dec 15;91(12):4490-9. Epub 2006 Sep 22.

20.

Estimates of the walking distance in multiple sclerosis patients and their effect on the EDSS.

Ringel I, Zettl UK.

J Neurol. 2006 May;253(5):666-7. Epub 2006 Apr 20. No abstract available.

PMID:
16619120
21.

Hormone sensitivity is reflected in the phospholipid profiles of breast cancer cell lines.

Sterin M, Cohen JS, Ringel I.

Breast Cancer Res Treat. 2004 Sep;87(1):1-11.

PMID:
15377845
22.

Determination of intracellular pH and compartmentation using diffusion-weighted NMR spectroscopy with pH-sensitive indicators.

Cohen JS, Motiei M, Carmi S, Shiperto D, Yefet O, Ringel I.

Magn Reson Med. 2004 May;51(5):900-3.

23.
24.

Novel anthraquinone derivatives with redox-active functional groups capable of producing free radicals by metabolism: are free radicals essential for cytotoxicity?

Barasch D, Zipori O, Ringel I, Ginsburg I, Samuni A, Katzhendler J.

Eur J Med Chem. 1999 Jul-Aug;34(7-8):597-615.

PMID:
11278045
25.

Noninvasive real-time monitoring of intracellular cancer cell metabolism and response to lonidamine treatment using diffusion weighted proton magnetic resonance spectroscopy.

Mardor Y, Kaplan O, Sterin M, Ruiz-Cabello J, Ash E, Roth Y, Ringel I, Cohen JS.

Cancer Res. 2000 Sep 15;60(18):5179-86.

26.

Dynein light chain binding to a 3'-untranslated sequence mediates parathyroid hormone mRNA association with microtubules.

Epstein E, Sela-Brown A, Ringel I, Kilav R, King SM, Benashski SE, Yisraeli JK, Silver J, Naveh-Many T.

J Clin Invest. 2000 Feb;105(4):505-12.

27.
28.

Conformational studies of paclitaxel analogs modified at the C-2' position in hydrophobic and hydrophilic solvent systems.

Moyna G, Williams HJ, Scott AI, Ringel I, Gorodetsky R, Swindell CS.

J Med Chem. 1997 Sep 26;40(20):3305-11.

PMID:
9379451
29.

Anti-neoplastic activity of paclitaxel on experimental superficial bladder cancer: in vivo and in vitro studies.

Nativ O, Aronson M, Medalia O, Moldavsky T, Sabo E, Ringel I, Kravtsov V.

Int J Cancer. 1997 Jan 27;70(3):297-301.

30.

Vg1 RNA binding protein mediates the association of Vg1 RNA with microtubules in Xenopus oocytes.

Elisha Z, Havin L, Ringel I, Yisraeli JK.

EMBO J. 1995 Oct 16;14(20):5109-14.

31.

Use of vanadate-induced photocleavage for detecting phosphate binding sites in proteins.

Muhlrad A, Ringel I.

Met Ions Biol Syst. 1995;31:211-30. Review. No abstract available.

PMID:
8564808
32.

Characterization of two taxol photoaffinity analogues bearing azide and benzophenone-related photoreactive substituents in the A-ring side chain.

Swindell CS, Heerding JM, Krauss NE, Horwitz SB, Rao S, Ringel I.

J Med Chem. 1994 May 13;37(10):1446-9.

PMID:
7910216
33.

3'-(p-azidobenzamido)taxol photolabels the N-terminal 31 amino acids of beta-tubulin.

Rao S, Krauss NE, Heerding JM, Swindell CS, Ringel I, Orr GA, Horwitz SB.

J Biol Chem. 1994 Feb 4;269(5):3132-4.

34.

Neurites induced by staurosporine in PC12 cells are resistant to colchicine and express high levels of tau proteins.

Rasouly D, Rahamim E, Ringel I, Ginzburg I, Muarakata C, Matsuda Y, Lazarovici P.

Mol Pharmacol. 1994 Jan;45(1):29-35.

PMID:
8302277
35.

Synthesis of a photoaffinity analog of taxol as an approach to identify the taxol binding site on microtubules.

Carboni JM, Farina V, Rao S, Hauck SI, Horwitz SB, Ringel I.

J Med Chem. 1993 Feb 19;36(4):513-5. No abstract available.

PMID:
8097253
36.

Taxol: mechanisms of action and resistance.

Horwitz SB, Cohen D, Rao S, Ringel I, Shen HJ, Yang CP.

J Natl Cancer Inst Monogr. 1993;(15):55-61. Review.

PMID:
7912530
37.

Direct photoaffinity labeling of tubulin with taxol.

Rao S, Horwitz SB, Ringel I.

J Natl Cancer Inst. 1992 May 20;84(10):785-8.

PMID:
1349352
38.

Fluorinated colchicinoids: antitubulin and cytotoxic properties.

Ringel I, Jaffe D, Alerhand S, Boye O, Muzaffar A, Brossi A.

J Med Chem. 1991 Nov;34(11):3334-8.

PMID:
1956052
39.

Effect of alkaline pH on taxol-microtubule interactions.

Ringel I, Horwitz SB.

J Pharmacol Exp Ther. 1991 Nov;259(2):855-60.

PMID:
1682488
40.

Effects of ions on vanadate-induced photocleavage of myosin subfragment 1.

Muhlrad A, Peyser YM, Ringel I.

Eur J Biochem. 1991 Oct 15;201(2):409-15.

41.

The interaction of [13C]-enriched colchicine with tubulin as determined by NMR spectroscopy.

Osei AA, Everett GW, Ringel I, Himes RH.

Biochim Biophys Acta. 1991 Jul 12;1078(3):339-44.

PMID:
1859824
42.

Biologically active taxol analogues with deleted A-ring side chain substituents and variable C-2' configurations.

Swindell CS, Krauss NE, Horwitz SB, Ringel I.

J Med Chem. 1991 Mar;34(3):1176-84.

PMID:
1672157
43.

Studies with RP 56976 (taxotere): a semisynthetic analogue of taxol.

Ringel I, Horwitz SB.

J Natl Cancer Inst. 1991 Feb 20;83(4):288-91.

PMID:
1671606
44.

Effect of actin, ATP, phosphates, and pH on vanadate-induced photocleavage of myosin subfragment 1.

Muhlrad A, Peyser YM, Ringel I.

Biochemistry. 1991 Jan 29;30(4):958-65.

PMID:
1824926
45.

Preparation, characterization, and anticancer activity of a series of cis-PtCl2 complexes linked to anthraquinone intercalators.

Gibson D, Gean KF, Ben-Shoshan R, Ramu A, Ringel I, Katzhendler J.

J Med Chem. 1991 Jan;34(1):414-20.

PMID:
1992142
46.

51V NMR study of vanadate binding to myosin and its subfragment 1.

Ringel I, Peyser YM, Muhlrad A.

Biochemistry. 1990 Sep 25;29(38):9091-6.

PMID:
2271580
47.

The effect of substituted aminoalkylaminoanthraquinones on eukaryotic cells.

Katzhendler J, Bar-Ad G, Haran M, Gean KF, Tashma Z, Ringel I, Ramu A, Bachrach U.

Drug Des Deliv. 1989 Jun;4(4):289-94.

PMID:
2775448
48.

N-alkyl colchiceineamides: their inhibition of GTP or taxol-induced assembly of tubulin.

Ringel I, Bakshi O, Mellado W, Ramu A, Gibson D, Katzhendler J.

Biochem Pharmacol. 1988 Jun 15;37(12):2487-9. No abstract available.

PMID:
2898944
49.

Taxol is converted to 7-epitaxol, a biologically active isomer, in cell culture medium.

Ringel I, Horwitz SB.

J Pharmacol Exp Ther. 1987 Aug;242(2):692-8.

PMID:
2886648

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