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    Ratneshwar Lal

    TitleProfessor
    SchoolUniversity of California, San Diego
    DepartmentMechanical and Aerospace Engineering
    Address9500 Gilman Drive #0412
    CA La Jolla 92093
    Phone858-822-0384
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      Collapse Research 
      Collapse Research Activities and Funding
      Designing an Integrated Nanoscale System for Ion Channel Structure-Function Study
      NIH/NIDA R01DA025296Jul 15, 2008 - Apr 30, 2014
      Role: Principal Investigator
      Amyloid ion channels to design therapeutics for neurodegenerative diseases
      NIH/NIA R01AG028709Sep 15, 2006 - Feb 28, 2018
      Role: Principal Investigator
      Cytoskeletal Regulation of Lung Endothelial Pathobiology
      NIH P01HL058064Feb 1, 1998 - Jan 31, 2014
      Role: Co-Investigator
      Structure, Activity &Physiological Role of Hemichannels
      NIH/NIDA R01DA024871Sep 1, 1997 - Feb 28, 2014
      Role: Principal Investigator
      Structure, Activity &Physiological Role of Hemichannels
      NIH/NIGMS R01GM056290Sep 1, 1997 - Apr 30, 2008
      Role: Principal Investigator

      Collapse Bibliographic 
      Collapse Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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      1. Song P, Ye D, Zuo X, Li J, Wang J, Liu H, Hwang MT, Chao J, Su S, Wang L, Shi J, Wang L, Huang W, Lal R, Fan C. DNA Hydrogel with Aptamer-Toehold-Based Recognition, Cloaking, and Decloaking of Circulating Tumor Cells for Live Cell Analysis. Nano Lett. 2017 Aug 10. PMID: 28771008.
        View in: PubMed
      2. Janetanakit W, Wang L, Santacruz-Gomez K, Landon PB, Sud PL, Patel N, Jang G, Jain M, Yepremyan A, Kazmi SA, Ban DK, Zhang F, Lal R. Gold-Embedded Hollow Silica Nanogolf Balls for Imaging and Photothermal Therapy. ACS Appl Mater Interfaces. 2017 Aug 23; 9(33):27533-27543. PMID: 28752765.
        View in: PubMed
      3. Li N, Jang H, Yuan M, Li W, Yun X, Lee J, Du Q, Nussinov R, Hou J, Lal R, Zhang F. Graphite-Templated Amyloid Nanostructures Formed by a Potential Pentapeptide Inhibitor for Alzheimer's Disease: A Combined Study of Real-Time Atomic Force Microscopy and Molecular Dynamics Simulations. Langmuir. 2017 Jul 11; 33(27):6647-6656. PMID: 28605901.
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      4. Liu M, Li Q, Liang L, Li J, Wang K, Li J, Lv M, Chen N, Song H, Lee J, Shi J, Wang L, Lal R, Fan C. Real-time visualization of clustering and intracellular transport of gold nanoparticles by correlative imaging. Nat Commun. 2017 May 31; 8:15646. PMID: 28561031.
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      5. Lee J, Kim YH, Teran Arce F, Gillman AL, Jang H, Kagan BL, Nussinov R, Yang J, Lal R. Amyloid ß ion channels in a membrane comprised of brain total lipid extracts. ACS Chem Neurosci. 2017 Jan 30. PMID: 28135799.
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      6. Huang Q, Teran Arce F, Lee J, Yoon I, Villanueva J, Lal R, Sirbuly DJ. Gap controlled plasmon-dielectric coupling effects investigated with single nanoparticle-terminated atomic force microscope probes. Nanoscale. 2016 Oct 6; 8(39):17102-17107. PMID: 27714046.
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      7. Gillman AL, Lee J, Ramachandran S, Capone R, Gonzalez T, Wrasidlo W, Masliah E, Lal R. Small molecule NPT-440-1 inhibits ionic flux through Aß1-42 pores: Implications for Alzheimer's disease therapeutics. Nanomedicine. 2016 Jun 19; 12(8):2331-2340. PMID: 27335341.
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      8. Hwang MT, Landon PB, Lee J, Choi D, Mo AH, Glinsky G, Lal R. Highly specific SNP detection using 2D graphene electronics and DNA strand displacement. Proc Natl Acad Sci U S A. 2016 Jun 28; 113(26):7088-93. PMID: 27298347.
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      9. Mo AH, Landon PB, Gomez KS, Kang H, Lee J, Zhang C, Janetanakit W, Sant V, Lu T, Colburn DA, Akkiraju S, Dossou S, Cao Y, Lee KF, Varghese S, Glinsky G, Lal R. Magnetically-responsive silica-gold nanobowls for targeted delivery and SERS-based sensing. Nanoscale. 2016 Jun 9; 8(23):11840-50. PMID: 27228391.
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      10. Mo AH, Zhang C, Landon PB, Janetanakit W, Hwang MT, Santacruz Gomez K, Colburn DA, Dossou SM, Lu T, Cao Y, Sant V, Sud PL, Akkiraju S, Shubayev VI, Glinsky G, Lal R. Dual-Functionalized Theranostic Nanocarriers. ACS Appl Mater Interfaces. 2016 Jun 15; 8(23):14740-6. PMID: 27144808.
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      11. Feinstein HE, Benbow SJ, LaPointe NE, Patel N, Ramachandran S, Do TD, Gaylord MR, Huskey NE, Dressler N, Korff M, Quon B, Cantrell KL, Bowers MT, Lal R, Feinstein SC. Oligomerization of the microtubule-associated protein tau is mediated by its N-terminal sequences: implications for normal and pathological tau action. J Neurochem. 2016 Jun; 137(6):939-54. PMID: 26953146.
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      12. Santacruz-Gomez K, Silva-Campa E, Melendrez-Amavizca R, Teran Arce F, Mata-Haro V, Landon PB, Zhang C, Pedroza-Montero M, Lal R. Carboxylated nanodiamonds inhibit ?-irradiation damage of human red blood cells. Nanoscale. 2016 Mar 24; 8(13):7189-96. PMID: 26972691.
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      13. Jang H, Arce FT, Lee J, Gillman AL, Ramachandran S, Kagan BL, Lal R, Nussinov R. Computational Methods for Structural and Functional Studies of Alzheimer's Amyloid Ion Channels. Methods Mol Biol. 2016; 1345:251-68. PMID: 26453217.
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      14. Patel N, Ramachandran S, Azimov R, Kagan BL, Lal R. Ion Channel Formation by Tau Protein: Implications for Alzheimer's Disease and Tauopathies. Biochemistry. 2015 Dec 22; 54(50):7320-5. PMID: 26575330.
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      15. Hwang MT, Landon PB, Lee J, Mo A, Meckes B, Glinsky G, Lal R. DNA nano-carrier for repeatable capture and release of biomolecules. Nanoscale. 2015 Oct 15; 7(41):17397-403. PMID: 26439640.
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      16. Landon PB, Mo AH, Printz AD, Emerson C, Zhang C, Janetanakit W, Colburn DA, Akkiraju S, Dossou S, Chong B, Glinsky G, Lal R. Asymmetric Colloidal Janus Particle Formation Is Core-Size-Dependent. Langmuir. 2015 Aug 25; 31(33):9148-54. PMID: 26244597.
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      17. Fior R, Kwok J, Malfatti F, Sbaizero O, Lal R. Biocompatible Optically Transparent MEMS for Micromechanical Stimulation and Multimodal Imaging of Living Cells. Ann Biomed Eng. 2015 Aug; 43(8):1841-50. PMID: 25549773.
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      18. Meckes B, Ambrosi C, Barnard H, Arce FT, Sosinsky GE, Lal R. Atomic force microscopy shows connexin26 hemichannel clustering in purified membrane fragments. Biochemistry. 2014 Dec 2; 53(47):7407-14. PMID: 25365227.
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      19. Landon PB, Lee J, Hwang MT, Mo AH, Zhang C, Neuberger A, Meckes B, Gutierrez JJ, Glinsky G, Lal R. Energetically biased DNA motor containing a thermodynamically stable partial strand displacement state. Langmuir. 2014 Nov 25; 30(46):14073-8. PMID: 25347360.
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      20. Jang H, Teran Arce F, Ramachandran S, Kagan BL, Lal R, Nussinov R. Disordered amyloidogenic peptides may insert into the membrane and assemble into common cyclic structural motifs. Chem Soc Rev. 2014 Sep 8; 43(19):6750-64. PMID: 24566672.
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      21. Alfonta L, Meckes B, Amir L, Schlesinger O, Ramachandran S, Lal R. Measuring localized redox enzyme electron transfer in a live cell with conducting atomic force microscopy. Anal Chem. 2014 Aug 5; 86(15):7674-80. PMID: 24979064.
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      22. Landon PB, Mo AH, Zhang C, Emerson CD, Printz AD, Gomez AF, DeLaTorre CJ, Colburn DA, Anzenberg P, Eliceiri M, O'Connell C, Lal R. Designing hollow nano gold golf balls. ACS Appl Mater Interfaces. 2014 Jul 9; 6(13):9937-41. PMID: 24937196.
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      23. Kwok J, Grogan S, Meckes B, Arce F, Lal R, D'Lima D. Atomic force microscopy reveals age-dependent changes in nanomechanical properties of the extracellular matrix of native human menisci: implications for joint degeneration and osteoarthritis. Nanomedicine. 2014 Nov; 10(8):1777-85. PMID: 24972006.
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      24. Meckes B, Arce FT, Connelly LS, Lal R. Insulated Conducting Cantilevered Nanotips and Two-Chamber Recording System for High Resolution Ion Sensing AFM. Sci Rep. 2014; 4:4454. PMID: 24663394.
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      25. Connelly LS, Meckes B, Larkin J, Gillman AL, Wanunu M, Lal R. Graphene Nanopore Support System for Simultaneous High-Resolution AFM Imaging and Conductance Measurements. ACS Appl Mater Interfaces. 2014 Apr 9; 6(7):5290-6. PMID: 24581087.
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      26. Ramachandran S, Arce FT, Patel NR, Quist AP, Cohen DA, Lal R. Structure and Permeability of Ion-channels by Integrated AFM and Waveguide TIRF Microscopy. Sci Rep. 2014; 4:4424. PMID: 24651823.
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      27. Mo AH, Landon PB, Meckes B, Yang MM, Glinsky GV, Lal R. An on-demand four-way junction DNAzyme nanoswitch driven by inosine-based partial strand displacement. Nanoscale. 2014 Jan 16; 6(3):1462-6. PMID: 24317092.
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      28. Jang H, Teran Arce F, Ramachandran S, Kagan BL, Lal R, Nussinov R. Familial Alzheimer's Disease Osaka Mutant (?E22) ß-Barrels Suggest an Explanation for the Different Aß1-40/42 Preferred Conformational States Observed by Experiment. J Phys Chem B. 2013 Oct 3; 117(39):11518-29. PMID: 24000923.
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      29. Arce FT, Meckes B, Camp SM, Garcia JG, Dudek SM, Lal R. Heterogeneous elastic response of human lung microvascular endothelial cells to barrier modulating stimuli. Nanomedicine. 2013 Oct; 9(7):875-84. PMID: 23523769.
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      30. Jang H, Connelly L, Arce FT, Ramachandran S, Lal R, Kagan BL, Nussinov R. Alzheimer's disease: which type of amyloid-preventing drug agents to employ? Phys Chem Chem Phys. 2013 Jun 21; 15(23):8868-77. PMID: 23450150.
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      31. Ramachandran S, Cohen DA, Quist AP, Lal R. High performance, LED powered, waveguide based total internal reflection microscopy. Sci Rep. 2013; 3:2133. PMID: 23823601.
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      32. Jang H, Connelly L, Arce FT, Ramachandran S, Kagan BL, Lal R, Nussinov R. Mechanisms for the Insertion of Toxic, Fibril-like ß-Amyloid Oligomers into the Membrane. J Chem Theory Comput. 2013 Jan 8; 9(1):822-833. PMID: 23316126.
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      33. Kong SD, Lee J, Ramachandran S, Eliceiri BP, Shubayev VI, Lal R, Jin S. Magnetic targeting of nanoparticles across the intact blood-brain barrier. J Control Release. 2012 Nov 28; 164(1):49-57. PMID: 23063548.
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      34. Connelly L, Jang H, Arce FT, Ramachandran S, Kagan BL, Nussinov R, Lal R. Effects of point substitutions on the structure of toxic Alzheimer's ß-amyloid channels: atomic force microscopy and molecular dynamics simulations. Biochemistry. 2012 Apr 10; 51(14):3031-8. PMID: 22413858.
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      35. Capone R, Jang H, Kotler SA, Connelly L, Teran Arce F, Ramachandran S, Kagan BL, Nussinov R, Lal R. All-d-Enantiomer of ß-Amyloid Peptide Forms Ion Channels in Lipid Bilayers. J Chem Theory Comput. 2012 Mar 13; 8(3):1143-1152. PMID: 22423218.
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      36. Connelly L, Jang H, Arce FT, Capone R, Kotler SA, Ramachandran S, Kagan BL, Nussinov R, Lal R. Atomic force microscopy and MD simulations reveal pore-like structures of all-D-enantiomer of Alzheimer's ß-amyloid peptide: relevance to the ion channel mechanism of AD pathology. J Phys Chem B. 2012 Feb 9; 116(5):1728-35. PMID: 22217000.
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      37. Capone R, Jang H, Kotler SA, Kagan BL, Nussinov R, Lal R. Probing structural features of Alzheimer's amyloid-ß pores in bilayers using site-specific amino acid substitutions. Biochemistry. 2012 Jan 24; 51(3):776-85. PMID: 22242635.
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      38. Kagan BL, Jang H, Capone R, Teran Arce F, Ramachandran S, Lal R, Nussinov R. Antimicrobial properties of amyloid peptides. Mol Pharm. 2012 Apr 2; 9(4):708-17. PMID: 22081976.
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      39. Landon PB, Ramachandran S, Gillman A, Gidron T, Yoon D, Lal R. DNA zipper-based tweezers. Langmuir. 2012 Jan 10; 28(1):534-40. PMID: 21875130.
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      40. Allen MJ, Lacroix JJ, Ramachandran S, Capone R, Whitlock JL, Ghadge GD, Arnsdorf MF, Roos RP, Lal R. Mutant SOD1 forms ion channel: implications for ALS pathophysiology. Neurobiol Dis. 2012 Mar; 45(3):831-8. PMID: 21930207.
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      41. Ramachandran S, Teran Arce F, Lal R. Potential role of atomic force microscopy in systems biology. Wiley Interdiscip Rev Syst Biol Med. 2011 Nov-Dec; 3(6):702-16. PMID: 21766465.
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      42. Arce FT, Jang H, Ramachandran S, Landon PB, Nussinov R, Lal R. Polymorphism of amyloid ß peptide in different environments: implications for membrane insertion and pore formation. Soft Matter. 2011 May 9; 7(11):5267-5273. PMID: 21918653.
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      43. Allen MJ, Gemel J, Beyer EC, Lal R. Atomic force microscopy of Connexin40 gap junction hemichannels reveals calcium-dependent three-dimensional molecular topography and open-closed conformations of both the extracellular and cytoplasmic faces. J Biol Chem. 2011 Jun 24; 286(25):22139-46. PMID: 21543330.
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      44. Ayala R, Zhang C, Yang D, Hwang Y, Aung A, Shroff SS, Arce FT, Lal R, Arya G, Varghese S. Engineering the cell-material interface for controlling stem cell adhesion, migration, and differentiation. Biomaterials. 2011 May; 32(15):3700-11. PMID: 21396708.
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      45. Jang H, Arce FT, Mustata M, Ramachandran S, Capone R, Nussinov R, Lal R. Antimicrobial protegrin-1 forms amyloid-like fibrils with rapid kinetics suggesting a functional link. Biophys J. 2011 Apr 6; 100(7):1775-83. PMID: 21463591.
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      46. Jang H, Arce FT, Ramachandran S, Capone R, Lal R, Nussinov R. ß-Barrel topology of Alzheimer's ß-amyloid ion channels. J Mol Biol. 2010 Dec 17; 404(5):917-34. PMID: 20970427.
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      47. Lal R, Ramachandran S, Arnsdorf MF. Multidimensional atomic force microscopy: a versatile novel technology for nanopharmacology research. AAPS J. 2010 Dec; 12(4):716-28. PMID: 20957528.
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      48. Ramachandran S, Lal R. Scope of atomic force microscopy in the advancement of nanomedicine. Indian J Exp Biol. 2010 Oct; 48(10):1020-36. PMID: 21299045.
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      49. Dudek SM, Chiang ET, Camp SM, Guo Y, Zhao J, Brown ME, Singleton PA, Wang L, Desai A, Arce FT, Lal R, Van Eyk JE, Imam SZ, Garcia JG. Abl tyrosine kinase phosphorylates nonmuscle Myosin light chain kinase to regulate endothelial barrier function. Mol Biol Cell. 2010 Nov 15; 21(22):4042-56. PMID: 20861316.
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      50. Jang H, Teran Arce F, Ramachandran S, Capone R, Lal R, Nussinov R. Structural convergence among diverse, toxic beta-sheet ion channels. J Phys Chem B. 2010 Jul 29; 114(29):9445-51. PMID: 20608696.
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      51. Capone R, Mustata M, Jang H, Arce FT, Nussinov R, Lal R. Antimicrobial protegrin-1 forms ion channels: molecular dynamic simulation, atomic force microscopy, and electrical conductance studies. Biophys J. 2010 Jun 2; 98(11):2644-52. PMID: 20513409.
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      52. Jang H, Arce FT, Ramachandran S, Capone R, Azimova R, Kagan BL, Nussinov R, Lal R. Truncated beta-amyloid peptide channels provide an alternative mechanism for Alzheimer's Disease and Down syndrome. Proc Natl Acad Sci U S A. 2010 Apr 6; 107(14):6538-43. PMID: 20308552.
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      53. Jang H, Arce FT, Capone R, Ramachandran S, Lal R, Nussinov R. Misfolded amyloid ion channels present mobile beta-sheet subunits in contrast to conventional ion channels. Biophys J. 2009 Dec 2; 97(11):3029-37. PMID: 19948133.
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      54. Mustata M, Capone R, Jang H, Arce FT, Ramachandran S, Lal R, Nussinov R. K3 fragment of amyloidogenic beta(2)-microglobulin forms ion channels: implication for dialysis related amyloidosis. J Am Chem Soc. 2009 Oct 21; 131(41):14938-45. PMID: 19824733.
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      55. Lal R, Arnsdorf MF. Multidimensional atomic force microscopy for drug discovery: a versatile tool for defining targets, designing therapeutics and monitoring their efficacy. Life Sci. 2010 Apr 10; 86(15-16):545-62. PMID: 20359578.
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      56. Arce FT, Carlson R, Monds J, Veeh R, Hu FZ, Stewart PS, Lal R, Ehrlich GD, Avci R. Nanoscale structural and mechanical properties of nontypeable Haemophilus influenzae biofilms. J Bacteriol. 2009 Apr; 191(8):2512-20. PMID: 19218382.
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      57. Birukova AA, Arce FT, Moldobaeva N, Dudek SM, Garcia JG, Lal R, Birukov KG. Endothelial permeability is controlled by spatially defined cytoskeletal mechanics: atomic force microscopy force mapping of pulmonary endothelial monolayer. Nanomedicine. 2009 Mar; 5(1):30-41. PMID: 18824415.
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      58. Jang H, Ma B, Lal R, Nussinov R. Models of toxic beta-sheet channels of protegrin-1 suggest a common subunit organization motif shared with toxic alzheimer beta-amyloid ion channels. Biophys J. 2008 Nov 15; 95(10):4631-42. PMID: 18708452.
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      59. Arce FT, Whitlock JL, Birukova AA, Birukov KG, Arnsdorf MF, Lal R, Garcia JG, Dudek SM. Regulation of the micromechanical properties of pulmonary endothelium by S1P and thrombin: role of cortactin. Biophys J. 2008 Jul; 95(2):886-94. PMID: 18408039.
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      60. Jang H, Zheng J, Lal R, Nussinov R. New structures help the modeling of toxic amyloidbeta ion channels. Trends Biochem Sci. 2008 Feb; 33(2):91-100. PMID: 18182298.
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      61. Ramachandran S, Xie LH, John SA, Subramaniam S, Lal R. A novel role for connexin hemichannel in oxidative stress and smoking-induced cell injury. PLoS One. 2007; 2(8):e712. PMID: 17684558.
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      62. Lal R, Lin H, Quist AP. Amyloid beta ion channel: 3D structure and relevance to amyloid channel paradigm. Biochim Biophys Acta. 2007 Aug; 1768(8):1966-75. PMID: 17553456.
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      63. Losic D, Short K, Mitchell JG, Lal R, Voelcker NH. AFM nanoindentations of diatom biosilica surfaces. Langmuir. 2007 Apr 24; 23(9):5014-21. PMID: 17397194.
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      64. Quist AP, Chand A, Ramachandran S, Daraio C, Jin S, Lal R. Atomic force microscopy imaging and electrical recording of lipid bilayers supported over microfabricated silicon chip nanopores: lab-on-a-chip system for lipid membranes and ion channels. Langmuir. 2007 Jan 30; 23(3):1375-80. PMID: 17241061.
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      65. Ramachandran S, Quist AP, Kumar S, Lal R. Cisplatin nanoliposomes for cancer therapy: AFM and fluorescence imaging of cisplatin encapsulation, stability, cellular uptake, and toxicity. Langmuir. 2006 Sep 12; 22(19):8156-62. PMID: 16952256.
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      66. Quist A, Chand A, Ramachandran S, Cohen D, Lal R. Piezoresistive cantilever based nanoflow and viscosity sensor for microchannels. Lab Chip. 2006 Nov; 6(11):1450-4. PMID: 17066169.
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      67. Fagan T, Kagan B, Corbin D, Hwang W, Glabe C, Nault L, Lal R, Teplow D, Albensi B, Sokolov Y. Alzheimer Research Forum Live Discussion: Now you see them, now you don't: The amyloid channel hypothesis. J Alzheimers Dis. 2006 Jul; 9(2):219-24. PMID: 16873968.
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      68. Liu F, Arce FT, Ramachandran S, Lal R. Nanomechanics of hemichannel conformations: connexin flexibility underlying channel opening and closing. J Biol Chem. 2006 Aug 11; 281(32):23207-17. PMID: 16769719.
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      69. Quist A, Doudevski I, Lin H, Azimova R, Ng D, Frangione B, Kagan B, Ghiso J, Lal R. Amyloid ion channels: a common structural link for protein-misfolding disease. Proc Natl Acad Sci U S A. 2005 Jul 26; 102(30):10427-32. PMID: 16020533.
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      70. Thimm J, Mechler A, Lin H, Rhee S, Lal R. Calcium-dependent open/closed conformations and interfacial energy maps of reconstituted hemichannels. J Biol Chem. 2005 Mar 18; 280(11):10646-54. PMID: 15615707.
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      71. Brodine SK, Kaime EM, Roberts C, Turnicky RP, Lal R. Simultaneous confirmation and differentiation of human T-lymphotropic virus types I and II infection by modified western blot containing recombinant envelope glycoproteins. Transfusion. 1993 Nov-Dec; 33(11):925-9. PMID: 7903127.
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