Published in J Biol Chem on February 10, 1980
Type III protein secretion systems in bacterial pathogens of animals and plants. Microbiol Mol Biol Rev (1998) 17.27
Effects of cytochalasin and phalloidin on actin. J Cell Biol (1987) 10.32
Actions of cytochalasins on the organization of actin filaments and microtubules in a neuronal growth cone. J Cell Biol (1988) 6.19
Sustained signaling leading to T cell activation results from prolonged T cell receptor occupancy. Role of T cell actin cytoskeleton. J Exp Med (1995) 4.57
Action of cytochalasin D on cytoskeletal networks. J Cell Biol (1982) 3.39
The kinetics of chemotactic peptide-induced change in F-actin content, F-actin distribution, and the shape of neutrophils. J Cell Biol (1985) 3.23
Force measurements in E-cadherin-mediated cell doublets reveal rapid adhesion strengthened by actin cytoskeleton remodeling through Rac and Cdc42. J Cell Biol (2004) 3.06
Effects of cytochalasin D on occluding junctions of intestinal absorptive cells: further evidence that the cytoskeleton may influence paracellular permeability and junctional charge selectivity. J Cell Biol (1986) 2.53
Infectious entry of West Nile virus occurs through a clathrin-mediated endocytic pathway. J Virol (2004) 2.45
Mechanism of action of cytochalasin: evidence that it binds to actin filament ends. J Cell Biol (1981) 2.36
Functional conservation of the secretion and translocation machinery for virulence proteins of yersiniae, salmonellae and shigellae. EMBO J (1995) 2.30
Chemotactic peptide-induced changes in neutrophil actin conformation. J Cell Biol (1984) 2.17
Routes and mechanisms of extracellular vesicle uptake. J Extracell Vesicles (2014) 2.11
Growth of neurites without filopodial or lamellipodial activity in the presence of cytochalasin B. J Cell Biol (1984) 2.07
Fluorescence photobleaching recovery in solutions of labeled actin. Biophys J (1981) 1.94
Correlation between effects of 24 different cytochalasins on cellular structures and cellular events and those on actin in vitro. J Cell Biol (1982) 1.90
Cytochalasin B slows but does not prevent monomer addition at the barbed end of the actin filament. J Cell Biol (1986) 1.88
Fluorescence visualization of the distribution of microfilaments in gonads and early embryos of the nematode Caenorhabditis elegans. J Cell Biol (1986) 1.85
The hyaluronate receptor is associated with actin filaments. J Cell Biol (1987) 1.85
Myosin-actin interaction plays an important role in human immunodeficiency virus type 1 release from host cells. Proc Natl Acad Sci U S A (1995) 1.79
Requirements for peptide-induced T cell receptor downregulation on naive CD8+ T cells. J Exp Med (1997) 1.70
Nucleated polymerization of actin from the membrane-associated ends of microvillar filaments in the intestinal brush border. J Cell Biol (1982) 1.65
Structural and dynamic states of actin in the erythrocyte. J Cell Biol (1983) 1.63
Passive mechanical behavior of human neutrophils: effect of cytochalasin B. Biophys J (1994) 1.62
Detection of actin assembly by fluorescence energy transfer. J Cell Biol (1981) 1.58
ATP-driven steady-state exchange of monomeric and filamentous actin from Dictyostelium discoideum. Proc Natl Acad Sci U S A (1980) 1.42
Mammary stem cells have myoepithelial cell properties. Nat Cell Biol (2014) 1.39
Actin Filaments in Mature Guard Cells Are Radially Distributed and Involved in Stomatal Movement. Plant Physiol (1995) 1.36
Elongation of the fertilization tubule in Chlamydomonas: new observations on the core microfilaments and the effect of transient intracellular signals on their structural integrity. J Cell Biol (1983) 1.35
Epidermal growth factor-induced centrosomal separation: mechanism and relationship to mitogenesis. J Cell Biol (1982) 1.35
Biochemical studies on the effect of Clostridium difficile toxin B on actin in vivo and in vitro. Infect Immun (1987) 1.34
Effect of disruption of actin filaments by Clostridium botulinum C2 toxin on insulin secretion in HIT-T15 cells and pancreatic islets. Mol Biol Cell (1994) 1.32
The Arabidopsis gene tardy asynchronous meiosis is required for the normal pace and synchrony of cell division during male meiosis. Plant Physiol (2001) 1.24
α-Actinin-4/FSGS1 is required for Arp2/3-dependent actin assembly at the adherens junction. J Cell Biol (2012) 1.22
Comparative two-dimensional gel analysis and microsequencing identifies gelsolin as one of the most prominent downregulated markers of transformed human fibroblast and epithelial cells. J Cell Biol (1990) 1.22
Direct proof that the primary site of action of cytochalasin on cell motility processes is actin. J Cell Biol (1992) 1.14
The essential role of clathrin-mediated endocytosis in the infectious entry of human enterovirus 71. J Biol Chem (2010) 1.12
Cultured megakaryocytes: changes in the cytoskeleton after ADP-induced spreading. J Cell Biol (1982) 1.09
Small interference RNA profiling reveals the essential role of human membrane trafficking genes in mediating the infectious entry of dengue virus. Virol J (2010) 1.05
Spectrin promotes the association of F-actin with the cytoplasmic surface of the human erythrocyte membrane. J Cell Biol (1981) 1.04
Altered cell spreading in cytochalasin B: a possible role for intermediate filaments. Mol Cell Biol (1983) 0.99
Binding interactions of murine natural killer cells with the fungal target Cryptococcus neoformans. Infect Immun (1991) 0.99
Regulation of mammary differentiation by the extracellular matrix. Environ Health Perspect (1989) 0.97
Motility of bile canaliculi in the living animal: implications for bile flow. J Cell Biol (1991) 0.95
The Legionella pneumophila effector VipA is an actin nucleator that alters host cell organelle trafficking. PLoS Pathog (2012) 0.93
Site-specific maturation of enveloped viruses in L cells treated with cytochalasin B. J Cell Biol (1985) 0.92
Functional alterations in beta'-actin from a KB cell mutant resistant to cytochalasin B. J Cell Biol (1988) 0.91
Clathrin-mediated endocytosis in living host cells visualized through quantum dot labeling of infectious hematopoietic necrosis virus. J Virol (2011) 0.90
Mechanical state, material properties and continuous description of an epithelial tissue. J R Soc Interface (2012) 0.90
Mitochondrial calcium sequestration and protein kinase C cooperate in the regulation of cortical F-actin disassembly and secretion in bovine chromaffin cells. J Physiol (2004) 0.89
Efficient sensing of infected cells in absence of virus particles by plasmacytoid dendritic cells is blocked by the viral ribonuclease E(rns.). PLoS Pathog (2013) 0.87
The role of actin isoforms in somatic embryogenesis in Norway spruce. BMC Plant Biol (2010) 0.86
Luteinizing hormone receptor-stimulated progesterone production by preovulatory granulosa cells requires protein kinase A-dependent activation/dephosphorylation of the actin dynamizing protein cofilin. Mol Endocrinol (2010) 0.86
The response of chicken embryo dermal fibroblasts to cytochalasin B is altered by Rous sarcoma virus-induced cell transformation. Mol Cell Biol (1982) 0.86
Actin-driven cell dynamics probed by Fourier transform light scattering. Biomed Opt Express (2010) 0.86
Role of actin in the responses of adrenal cells to ACTH and cyclic AMP: inhibition by DNase I. J Cell Biol (1984) 0.85
Differences in protein mobility between pioneer versus follower growth cones. Proc Natl Acad Sci U S A (2007) 0.85
Two-step stimulation of B lymphocytes to enter DNA synthesis: synergy between anti-immunoglobulin antibody and cytochalasin on expression of c-myc and a G1-specific gene. Mol Cell Biol (1988) 0.85
Evidence for secretion-like coupling involving pp60src in the activation and maintenance of store-mediated Ca2+ entry in mouse pancreatic acinar cells. Biochem J (2003) 0.85
Cytochalasin D induces increased actin synthesis in HEp-2 cells. Mol Cell Biol (1983) 0.84
Possible involvement of calmodulin and the cytoskeleton in electrofusion of plant protoplasts. Plant Physiol (1986) 0.84
Using cytochalasins to improve current chemotherapeutic approaches. Anticancer Agents Med Chem (2015) 0.83
Rho-kinase-dependent actin turnover and actomyosin disassembly are necessary for mouse spinal neural tube closure. J Cell Sci (2015) 0.83
Cytochalasins inhibit arachidonic acid metabolism in thrombin-stimulated platelets. Proc Natl Acad Sci U S A (1982) 0.83
Lung Mucosa Lining Fluid Modification of Mycobacterium tuberculosis to Reprogram Human Neutrophil Killing Mechanisms. J Infect Dis (2015) 0.83
Molecular basis of intracistronic complementation in the Passover locus of Drosophila. Proc Natl Acad Sci U S A (1995) 0.82
A role for α-adducin (ADD-1) in nematode and human memory. EMBO J (2012) 0.82
Nuclear actin depolymerization in transcriptionally active avian and amphibian oocytes leads to collapse of intranuclear structures. Nucleus (2012) 0.82
Pharmacological characterization of the slow component of deactivation of guinea-pig isolated ileum to the spasmogenic action of C5adesArg. Br J Pharmacol (1985) 0.82
Effects of small doses of cytochalasins on fibroblasts: preferential changes of active edges and focal contacts. Proc Natl Acad Sci U S A (1982) 0.82
Restricted lateral diffusion of luteinizing hormone receptors in membrane microdomains. J Biol Chem (2011) 0.82
Participation of actin on Giardia lamblia growth and encystation. PLoS One (2009) 0.81
Different effects of cytochalasins on the growth and differentiation of Entamoeba invadens. Parasitol Res (2004) 0.81
Transformation-dependent increases in endogenous cytochalasin-like activity in chicken embryo fibroblasts infected by Rous sarcoma virus. Proc Natl Acad Sci U S A (1986) 0.80
Local mechanical forces promote polarized junctional assembly and axis elongation in Drosophila. Elife (2016) 0.78
Mechanosensitive subcellular rheostasis drives emergent single-cell mechanical homeostasis. Nat Mater (2016) 0.78
Characterisation of enterovirus 71 replication kinetics in human colorectal cell line, HT29. Springerplus (2013) 0.77
Actin, RhoA, and Rab11 participation during encystment in Entamoeba invadens. Biomed Res Int (2013) 0.76
Single vesicle imaging indicates distinct modes of rapid membrane retrieval during nerve growth. BMC Biol (2012) 0.76
Atherogenic levels of low-density lipoprotein increase endocytotic activity in cultured human endothelial cells. Am J Pathol (1992) 0.75
Fodrin in centrosomes: implication of a role of fodrin in the transport of gamma-tubulin complex in brain. PLoS One (2013) 0.75
Host cell interactions of outer membrane vesicle-associated virulence factors of enterohemorrhagic Escherichia coli O157: Intracellular delivery, trafficking and mechanisms of cell injury. PLoS Pathog (2017) 0.75
A Role for Nuclear F-Actin Induction in Human Cytomegalovirus Nuclear Egress. MBio (2016) 0.75
Preparation, In Vivo Administration, Dose-Limiting Toxicities, and Antineoplastic Activity of Cytochalasin B. Transl Oncol (2015) 0.75
Consecutive entosis stages in human substrate-dependent cultured cells. Sci Rep (2017) 0.75
Mechanical signals activate p38 MAPK pathway-dependent reinforcement of actin via mechanosensitive HspB1. Mol Biol Cell (2017) 0.75
Evaluation of coliform tests for chlorinated secondary effluents. J Water Pollut Control Fed (1973) 5.51
Synthetic lac operator DNA is functional in vivo. Nature (1976) 5.36
The immunosuppressant FK506 selectively inhibits expression of early T cell activation genes. J Immunol (1989) 4.30
HuR regulates cyclin A and cyclin B1 mRNA stability during cell proliferation. EMBO J (2000) 4.11
Presence of an SH2 domain in the actin-binding protein tensin. Science (1991) 4.03
Dynamics and segregation of cell-matrix adhesions in cultured fibroblasts. Nat Cell Biol (2000) 3.99
The general affinity of lac repressor for E. coli DNA: implications for gene regulation in procaryotes and eucaryotes. Cell (1975) 3.73
Schizophrenia after prenatal famine. Further evidence. Arch Gen Psychiatry (1996) 3.65
Characterization of the structure and function of a new mitogen-activated protein kinase (p38beta). J Biol Chem (1996) 3.63
T1/ST2 is preferentially expressed on murine Th2 cells, independent of interleukin 4, interleukin 5, and interleukin 10, and important for Th2 effector function. Proc Natl Acad Sci U S A (1998) 3.61
Integrin dynamics and matrix assembly: tensin-dependent translocation of alpha(5)beta(1) integrins promotes early fibronectin fibrillogenesis. J Cell Biol (2000) 3.13
Identification of toxicants in cinnamon-flavored electronic cigarette refill fluids. Toxicol In Vitro (2014) 3.10
Beta-galactosidase. Rates of synthesis and degradation of incomplete chains. J Biol Chem (1972) 3.06
Mutations in familial Creutzfeldt-Jakob disease and Gerstmann-Sträussler-Scheinker's syndrome. Exp Neurol (1989) 3.00
An inner membrane enzyme in Salmonella and Escherichia coli that transfers 4-amino-4-deoxy-L-arabinose to lipid A: induction on polymyxin-resistant mutants and role of a novel lipid-linked donor. J Biol Chem (2001) 2.95
Minocycline prevents nigrostriatal dopaminergic neurodegeneration in the MPTP model of Parkinson's disease. Proc Natl Acad Sci U S A (2001) 2.95
Crucial role of the interleukin 1 receptor family member T1/ST2 in T helper cell type 2-mediated lung mucosal immune responses. J Exp Med (1999) 2.92
Cytochalasins inhibit nuclei-induced actin polymerization by blocking filament elongation. J Cell Biol (1980) 2.74
Structure-activity relationships of pyrazole derivatives as cannabinoid receptor antagonists. J Med Chem (1999) 2.73
Activation of BTK by a phosphorylation mechanism initiated by SRC family kinases. Science (1996) 2.71
Cytochalasin B, its interaction with actin and actomyosin from muscle (cell movement-microfilaments-rabbit striated muscle). Proc Natl Acad Sci U S A (1972) 2.68
Cytochalasin D inhibits actin polymerization and induces depolymerization of actin filaments formed during platelet shape change. Nature (1981) 2.63
The effect of hiatus hernia on gastro-oesophageal junction pressure. Gut (1999) 2.60
Lipid A modifications characteristic of Salmonella typhimurium are induced by NH4VO3 in Escherichia coli K12. Detection of 4-amino-4-deoxy-L-arabinose, phosphoethanolamine and palmitate. J Biol Chem (1999) 2.56
GATA-1 expression pattern can be recapitulated in living transgenic zebrafish using GFP reporter gene. Development (1997) 2.38
Specific interaction of vinculin with alpha-actinin. Biochem Biophys Res Commun (1987) 2.34
A comparison of lac repressor binding to operator and to nonoperator DNA. Biochem Biophys Res Commun (1975) 2.32
Lipid A modifications in polymyxin-resistant Salmonella typhimurium: PMRA-dependent 4-amino-4-deoxy-L-arabinose, and phosphoethanolamine incorporation. J Biol Chem (2001) 2.30
A comparison of batch effect removal methods for enhancement of prediction performance using MAQC-II microarray gene expression data. Pharmacogenomics J (2010) 2.30
Phosphatidylinositol-3,4,5-trisphosphate (PtdIns-3,4,5-P3)/Tec kinase-dependent calcium signaling pathway: a target for SHIP-mediated inhibitory signals. EMBO J (1998) 2.29
Bacterial activity in South Pole snow. Appl Environ Microbiol (2000) 2.28
Agonists induce conformational changes in transmembrane domains III and VI of the beta2 adrenoceptor. EMBO J (1997) 2.26
Toward a resolution of the introns early/late debate: only phase zero introns are correlated with the structure of ancient proteins. Proc Natl Acad Sci U S A (1998) 2.16
The cellular metabolism and systemic toxicity of arsenic. Toxicol Appl Pharmacol (2001) 2.15
Zebrafish pigmentation mutations and the processes of neural crest development. Development (1996) 2.14
Amino acid sequence requirements of the transmembrane and cytoplasmic domains of influenza virus hemagglutinin for viable membrane fusion. Mol Biol Cell (1999) 2.10
Purification and initial characterization of a protein from skeletal muscle that caps the barbed ends of actin filaments. J Biol Chem (1986) 2.08
Neurological impairment in violent schizophrenic inpatients. Am J Psychiatry (1989) 2.07
Neuropathology in mice expressing human alpha-synuclein. J Neurosci (2000) 2.06
Apoptosis signaling pathway in T cells is composed of ICE/Ced-3 family proteases and MAP kinase kinase 6b. Immunity (1997) 2.04
Actin polymerization induced by a motility-related high-affinity cytochalasin binding complex from human erythrocyte membrane. Proc Natl Acad Sci U S A (1979) 1.99
Timing, propagation, coordination, and effect of esophageal shortening during peristalsis. Gastroenterology (1997) 1.94
The RAD50 gene, a member of the double strand break repair epistasis group, is not required for spontaneous mitotic recombination in yeast. Curr Genet (1990) 1.93
Identification of a calcium channel modulator using a high throughput yeast two-hybrid screen. Nat Biotechnol (1998) 1.92
Prostate-specific membrane antigen: a novel folate hydrolase in human prostatic carcinoma cells. Clin Cancer Res (1996) 1.88
Instant MR labeling of stem cells using magnetoelectroporation. Magn Reson Med (2005) 1.88
Biochemical studies on the mode of action of cytochalasin B. Cytochalasin B binding to red cell membrane in relation to glucose transport. J Biol Chem (1974) 1.86
High-affinity interaction of vinculin with actin filaments in vitro. Cell (1982) 1.83
Blockade of the voltage-gated potassium channel Kv1.3 inhibits immune responses in vivo. J Immunol (1997) 1.80
(R)-methanandamide: a chiral novel anandamide possessing higher potency and metabolic stability. J Med Chem (1994) 1.80
Oxygen requirement for the biosynthesis of the S-2-hydroxymyristate moiety in Salmonella typhimurium lipid A. Function of LpxO, A new Fe2+/alpha-ketoglutarate-dependent dioxygenase homologue. J Biol Chem (2000) 1.76
The 200-MeV proton therapy project at the Paul Scherrer Institute: conceptual design and practical realization. Med Phys (1995) 1.75
Biphasic calcium phosphate bioceramics: preparation, properties and applications. J Mater Sci Mater Med (2003) 1.74
Roles of acyl-coenzyme A:cholesterol acyltransferase-1 and -2. Curr Opin Lipidol (2001) 1.70
Closure mechanisms of laryngeal vestibule during swallow. Am J Physiol (1992) 1.67
An agrin minigene rescues dystrophic symptoms in a mouse model for congenital muscular dystrophy. Nature (2001) 1.65
Outcome in schizophrenia and related disorders compared between developing and developed countries. A recursive partitioning re-analysis of the WHO DOSMD data. Br J Psychiatry (1997) 1.65
Experimental characterization and physical modelling of the dose distribution of scanned proton pencil beams. Phys Med Biol (2005) 1.64
Shape, volume, and content of the deglutitive pharyngeal chamber imaged by ultrafast computerized tomography. Gastroenterology (1993) 1.63
A zebrafish model for hepatoerythropoietic porphyria. Nat Genet (1998) 1.62
Specificity of the effects of cytochalasin B on transport and motile processes. Proc Natl Acad Sci U S A (1978) 1.61
Accumulation of a polyisoprene-linked amino sugar in polymyxin-resistant Salmonella typhimurium and Escherichia coli: structural characterization and transfer to lipid A in the periplasm. J Biol Chem (2001) 1.60
Reduced levels of amyloid beta-peptide antibody in Alzheimer disease. Neurology (2001) 1.58
Synthesis of Sch 29482--a novel penem antibiotic. J Antimicrob Chemother (1982) 1.57
Pharyngeal clearance during swallowing: a combined manometric and videofluoroscopic study. Gastroenterology (1992) 1.56
Fluorescent labeling of purified beta 2 adrenergic receptor. Evidence for ligand-specific conformational changes. J Biol Chem (1995) 1.52
Vascular endothelial growth factor (VEGF) expression and the effect of exogenous VEGF on survival of a random flap in the rat. Br J Plast Surg (2003) 1.50
Modification of bacterial artificial chromosomes through chi-stimulated homologous recombination and its application in zebrafish transgenesis. Proc Natl Acad Sci U S A (1998) 1.49
Intensity modulated proton therapy: a clinical example. Med Phys (2001) 1.49
A common pharmacophore for cytotoxic natural products that stabilize microtubules. Proc Natl Acad Sci U S A (1999) 1.49
Promoter analysis in living zebrafish embryos identifies a cis-acting motif required for neuronal expression of GATA-2. Proc Natl Acad Sci U S A (1997) 1.47
Reconstitution of interactions between tyrosine kinases and the high affinity IgE receptor which are controlled by receptor clustering. EMBO J (1995) 1.46
Direct observation of sub-picosecond equilibration of excitation energy in the light-harvesting antenna of Rhodospirillum rubrum. Biophys J (1995) 1.46
High affinity cytochalasin B binding to red cell membrane proteins which are unrelated to sugar transport. J Biol Chem (1977) 1.46
Beta-galactosidase: alpha-complementation of a deletion mutant with cyanogen bromide peptides. Biochem Biophys Res Commun (1970) 1.46
Dihydrocytochalasin B. Biological effects and binding to 3T3 cells. J Cell Biol (1978) 1.45
Trends in blind and low vision registrations in Taipei City. Eur J Ophthalmol (2008) 1.45
An alternative to DRGs. A clinically meaningful and cost-reducing approach. Med Care (1986) 1.44
Substrate specificity and stereoselectivity of rat brain microsomal anandamide amidohydrolase. J Med Chem (1999) 1.44
Pregnancy outcome following genetic amniocentesis at 11-14 versus 16-19 weeks' gestation. Obstet Gynecol (1996) 1.44
Speech and language delay are early manifestations of juvenile-onset Huntington disease. Neurology (2006) 1.43
Biochemical studies on the mode of action of cytochalasin B. Preparation of (3H)cytochalasin B and studies on its binding of cells. J Biol Chem (1974) 1.43
Tetravinyl-tetramethylcyclo-tetrasiloxane (tetravinyl D4) is a mutagen in Rat2lambda lacI fibroblasts. Carcinogenesis (1998) 1.41
Purification and mass spectrometry of six lipid A species from the bacterial endosymbiont Rhizobium etli. Demonstration of a conserved distal unit and a variable proximal portion. J Biol Chem (2000) 1.40
Chimerism does not predict for outcome after alemtuzumab based conditioning. Bone Marrow Transplant (2007) 1.40
Attenuation of esophageal shortening during peristalsis with hiatus hernia. Gastroenterology (1995) 1.39
Modulation of slow inactivation in human cardiac Kv1.5 channels by extra- and intracellular permeant cations. J Physiol (1999) 1.37
Allergy-associated FcRbeta is a molecular amplifier of IgE- and IgG-mediated in vivo responses. Immunity (1998) 1.36
Immunological quantitation and localization of ACAT-1 and ACAT-2 in human liver and small intestine. J Biol Chem (2000) 1.36
(R)-methanandamide and Delta 9-THC as discriminative stimuli in rats: tests with the cannabinoid antagonist SR-141716 and the endogenous ligand anandamide. Psychopharmacology (Berl) (2001) 1.36
Time-resolved fluorescence and absorption spectroscopy of photosystem I. Biochemistry (1994) 1.34
Chemosensitization of fluconazole resistance in Saccharomyces cerevisiae and pathogenic fungi by a D-octapeptide derivative. Antimicrob Agents Chemother (2004) 1.34
Biochemical studies on the effect of Clostridium difficile toxin B on actin in vivo and in vitro. Infect Immun (1987) 1.34
Human acyl-CoA:cholesterol acyltransferase-1 (ACAT-1) gene organization and evidence that the 4.3-kilobase ACAT-1 mRNA is produced from two different chromosomes. J Biol Chem (1999) 1.33
Ca2+-induced phosphoethanolamine transfer to the outer 3-deoxy-D-manno-octulosonic acid moiety of Escherichia coli lipopolysaccharide. A novel membrane enzyme dependent upon phosphatidylethanolamine. J Biol Chem (2001) 1.33
Altered LKB1/CREB-regulated transcription co-activator (CRTC) signaling axis promotes esophageal cancer cell migration and invasion. Oncogene (2011) 1.32
Collectrin, a collecting duct-specific transmembrane glycoprotein, is a novel homolog of ACE2 and is developmentally regulated in embryonic kidneys. J Biol Chem (2001) 1.32
Studies on proteins that co-purify with smooth muscle vinculin: identification of immunologically related species in focal adhesions of nonmuscle and Z-lines of muscle cells. J Cell Biol (1986) 1.31