abstract：:Cell invasion targets specific tissues in physiological placental implantation and pathological metastasis, which raises questions about how this process is controlled. We compare dermis and endometrium capacities to support trophoblast invasion, using matching sets of human primary fibroblasts in a coculture assay wi...

journal_title：Molecular biology of the cell

authors： Lopez-Mejia IC,De Toledo M,Della Seta F,Fafet P,Rebouissou C,Deleuze V,Blanchard JM,Jorgensen C,Tazi J,Vignais ML

更新日期：2013-10-01 00:00:00

abstract：:Epithelial tissues are protective barriers that display a remarkable ability to repair wounds. Wound repair is often associated with an accumulation of actin and nonmuscle myosin II around the wound, forming a purse string. The role of actomyosin networks in generating mechanical force during wound repair is not well ...

journal_title：Molecular biology of the cell

authors： Fernandez-Gonzalez R,Zallen JA

更新日期：2013-10-01 00:00:00

abstract：:Cystic fibrosis (CF) is a fatal genetic disorder associated with defective hydration of lung airways due to the loss of chloride transport through the CF transmembrane conductance regulator protein (CFTR). CFTR contains two membrane-spanning domains (MSDs), two nucleotide-binding domains (NBDs), and a regulatory domai...

journal_title：Molecular biology of the cell

authors： Ren HY,Grove DE,De La Rosa O,Houck SA,Sopha P,Van Goor F,Hoffman BJ,Cyr DM

更新日期：2013-10-01 00:00:00

abstract：:In mammalian cells, the cortical endoplasmic reticulum (cER) is a network of tubules and cisterns that lie in close apposition to the plasma membrane (PM). We provide evidence that PM domains enriched in underlying cER function as trafficking hubs for insertion and removal of PM proteins in HEK 293 cells. By simultane...

journal_title：Molecular biology of the cell

authors： Fox PD,Haberkorn CJ,Weigel AV,Higgins JL,Akin EJ,Kennedy MJ,Krapf D,Tamkun MM

更新日期：2013-09-01 00:00:00

abstract：:Actin and microtubule dynamics must be precisely coordinated during cell migration, mitosis, and morphogenesis--much of this coordination is mediated by proteins that physically bridge the two cytoskeletal networks. We have investigated the regulation of the Drosophila actin-microtubule cross-linker Short stop (Shot),...

journal_title：Molecular biology of the cell

authors： Applewhite DA,Grode KD,Duncan MC,Rogers SL

更新日期：2013-09-01 00:00:00

abstract：:Autophagy is a central homeostasis and stress response pathway conserved in all eukaryotes. One hallmark of autophagy is the de novo formation of autophagosomes. These double-membrane vesicular structures form around and deliver cargo for degradation by the vacuole/lysosome. Where and how autophagosomes form are outst...

journal_title：Molecular biology of the cell

authors： Graef M,Friedman JR,Graham C,Babu M,Nunnari J

更新日期：2013-09-01 00:00:00

abstract：:"Lipid raft" is the name given to the tiny, dynamic, and ordered domains of cholesterol and sphingolipids that are hypothesized to exist in the plasma membranes of eukaryotic cells. According to the lipid raft hypothesis, these cholesterol- and sphingolipid-enriched domains modulate the protein-protein interactions th...

journal_title：Molecular biology of the cell

authors： Kraft ML

更新日期：2013-09-01 00:00:00

abstract：:Cytoplasmic dynein is the major microtubule minus end-directed motor. Although studies have probed the mechanism of the C-terminal motor domain, if and how dynein's N-terminal tail and the accessory chains it binds regulate motor activity remain to be determined. Here, we investigate the structure and function of the ...

journal_title：Molecular biology of the cell

authors： Rao L,Romes EM,Nicholas MP,Brenner S,Tripathy A,Gennerich A,Slep KC

更新日期：2013-08-01 00:00:00

abstract：:Disruption of fast axonal transport (FAT) is an early pathological event in Alzheimer's disease (AD). Soluble amyloid-β oligomers (AβOs), increasingly recognized as proximal neurotoxins in AD, impair organelle transport in cultured neurons and transgenic mouse models. AβOs also stimulate hyperphosphorylation of the ax...

journal_title：Molecular biology of the cell

authors： Ramser EM,Gan KJ,Decker H,Fan EY,Suzuki MM,Ferreira ST,Silverman MA

更新日期：2013-08-01 00:00:00

abstract：:The actin cytoskeleton is constantly assembling and disassembling. Cells harness the energy of these turnover dynamics to drive cell motility and organize cytoplasm. Although much is known about how cells control actin polymerization, we do not understand how actin filaments depolymerize inside cells. I briefly descri...

journal_title：Molecular biology of the cell

authors： Brieher W

更新日期：2013-08-01 00:00:00

abstract：:The neonatal receptor for immunoglobulin G (IgG; FcRn) prevents IgG degradation by efficiently sorting IgG into recycling endosomes and away from lysosomes. When bound to IgG-opsonized antigen complexes, however, FcRn traffics cargo into lysosomes, where antigen processing can occur. Here we address the mechanism of s...

journal_title：Molecular biology of the cell

authors： Weflen AW,Baier N,Tang QJ,Van den Hof M,Blumberg RS,Lencer WI,Massol RH

更新日期：2013-08-01 00:00:00

abstract：:Supplying the appropriate amount of correctly folded α/β-tubulin heterodimers is critical for microtubule dynamics. Formation of assembly-competent heterodimers is remarkably elaborate at the molecular level, in which the α- and β-tubulins are separately processed in a chaperone-dependent manner. This sequential step ...

journal_title：Molecular biology of the cell

authors： Mori R,Toda T

更新日期：2013-06-01 00:00:00

abstract：:The mitochondrial Hsp70 chaperone Ssq1 plays a dedicated role in the maturation of iron-sulfur (Fe/S) proteins, an essential process of mitochondria. Similar to its bacterial orthologue HscA, Ssq1 binds to the scaffold protein Isu1, thereby facilitating dissociation of the newly synthesized Fe/S cluster on Isu1 and it...

journal_title：Molecular biology of the cell

authors： Uzarska MA,Dutkiewicz R,Freibert SA,Lill R,Mühlenhoff U

更新日期：2013-06-01 00:00:00

abstract：:Eukaryotic cells require IQGAP family multidomain adapter proteins for cytokinesis, but many questions remain about how IQGAPs contribute to the process. Here we show that fission yeast IQGAP Rng2p is required for both the normal process of contractile ring formation from precursor nodes and an alternative mechanism b...

journal_title：Molecular biology of the cell

authors： Tebbs IR,Pollard TD

更新日期：2013-06-01 00:00:00

abstract：:Breast epithelial cells cultured in three-dimensional (3D) collagen gels undergo ductal morphogenesis when the gel is compliant and they can achieve tensional homeostasis. We previously showed that this process requires down-regulation of Rho in compliant collagen gels, but the mechanism remains undefined. In this stu...

journal_title：Molecular biology of the cell

authors： Ponik SM,Trier SM,Wozniak MA,Eliceiri KW,Keely PJ

更新日期：2013-06-01 00:00:00

abstract：:The conserved NDR-kinase Dbf2 plays a critical role in cytokinesis in budding yeast. Among its cytokinesis-related substrates is the F-BAR protein Hof1. Hof1 colocalizes at the cell division site with the septin complex and, as mitotic exit progresses, moves to the actomyosin ring (AMR). Neither the function of Hof1 a...

journal_title：Molecular biology of the cell

authors： Meitinger F,Palani S,Hub B,Pereira G

更新日期：2013-05-01 00:00:00

abstract：:Mitochondrial dysfunction is associated with the development of many age-related human diseases. Therefore recognizing and correcting the early signs of malfunctioning mitochondria is of critical importance for cellular welfare and survival. We previously demonstrated that VCP/Cdc48-associated mitochondrial stress res...

journal_title：Molecular biology of the cell

authors： Heo JM,Nielson JR,Dephoure N,Gygi SP,Rutter J

更新日期：2013-05-01 00:00:00

abstract：:Centromeres are the site of kinetochore formation during mitosis. Centromere protein A (CENP-A), the centromere-specific histone H3 variant, is essential for the epigenetic maintenance of centromere position. Previously we showed that newly synthesized CENP-A is targeted to centromeres exclusively during early G1 phas...

journal_title：Molecular biology of the cell

authors： Bodor DL,Valente LP,Mata JF,Black BE,Jansen LE

更新日期：2013-04-01 00:00:00

abstract：:Metazoan cells rapidly exchange signals at tight cell-cell interfaces, including synapses and gap junctions. Advances in imaging recently exposed a third mode of intercellular cross-talk mediated by thin, actin-containing membrane extensions broadly known as "membrane" or "tunneling" nanotubes. An explosion of researc...

journal_title：Molecular biology of the cell

authors： Sherer NM

更新日期：2013-04-01 00:00:00

abstract：:Focal adhesions are intricate protein complexes that facilitate cell attachment, migration, and cellular communication. Lasp-2 (LIM-nebulette), a member of the nebulin family of actin-binding proteins, is a newly identified component of these complexes. To gain further insights into the functional role of lasp-2, we i...

journal_title：Molecular biology of the cell

authors： Bliss KT,Chu M,Jones-Weinert CM,Gregorio CC

更新日期：2013-04-01 00:00:00

abstract：:The Rab GTPase Ypt11 is a Myo2-binding protein implicated in mother-to-bud transport of the cortical endoplasmic reticulum (ER), late Golgi, and mitochondria during yeast division. However, its reported subcellular localization does not reflect all of these functions. Here we show that Ypt11 is normally a low-abundanc...

journal_title：Molecular biology of the cell

authors： Lewandowska A,Macfarlane J,Shaw JM

更新日期：2013-04-01 00:00:00

abstract：:In vertebrates, zyxin is a LIM-domain protein belonging to a family composed of seven members. We show that the nematode Caenorhabditis elegans has a unique zyxin-like protein, ZYX-1, which is the orthologue of the vertebrate zyxin subfamily composed of zyxin, migfilin, TRIP6, and LPP. The ZYX-1 protein is expressed i...

journal_title：Molecular biology of the cell

authors： Lecroisey C,Brouilly N,Qadota H,Mariol MC,Rochette NC,Martin E,Benian GM,Ségalat L,Mounier N,Gieseler K

更新日期：2013-04-01 00:00:00

abstract：:Scientific communication, career advancement, and funding decisions are all dependent on research publications. The way manuscripts are handled by high-visibility, professionally edited magazines differs from the way academic journals evaluate manuscripts, using active scientists as monitoring editors. In this essay, ...

journal_title：Molecular biology of the cell

authors： Bretscher A

更新日期：2013-04-01 00:00:00

abstract：:Glucose is a master regulator of cell behavior in the yeast Saccharomyces cerevisiae. It acts as both a metabolic substrate and a potent regulator of intracellular signaling cascades. Glucose starvation induces the transient delocalization and then partial relocalization of clathrin adaptors at the trans-Golgi network...

journal_title：Molecular biology of the cell

authors： Aoh QL,Hung CW,Duncan MC

更新日期：2013-03-01 00:00:00

abstract：:Meiosis involves two successive rounds of chromosome segregation without an intervening S phase. Exit from meiosis I is distinct from mitotic exit, in that replication origins are not licensed by Mcm2-7 chromatin binding, but spindle disassembly occurs during a transient interphase-like state before meiosis II. The ab...

journal_title：Molecular biology of the cell

authors： Hua H,Namdar M,Ganier O,Gregan J,Méchali M,Kearsey SE

更新日期：2013-03-01 00:00:00

abstract：:Vascular endothelial (VE)-cadherin, the major adherens junction adhesion molecule in endothelial cells, interacts with p120-catenin and β-catenin through its cytoplasmic tail. However, the specific functional contributions of the catenins to the establishment of strong adhesion are not fully understood. Here we use bi...

journal_title：Molecular biology of the cell

authors： Oas RG,Nanes BA,Esimai CC,Vincent PA,García AJ,Kowalczyk AP

更新日期：2013-03-01 00:00:00

abstract：:Lipoprotein(a) (Lp(a)) is associated with cardiovascular disease risk. This may be attributable to the ability of Lp(a) to elicit endothelial dysfunction. We previously reported that apolipoprotein(a) (apo(a); the distinguishing kringle-containing component of Lp(a)) elicits cytoskeletal rearrangements in vascular end...

journal_title：Molecular biology of the cell

authors： Cho T,Romagnuolo R,Scipione C,Boffa MB,Koschinsky ML

更新日期：2013-02-01 00:00:00

abstract：:Mitogen-activated protein kinase phosphatase 2 (MKP2) is a member of the dual-specificity MKPs that regulate MAP kinase signaling. However, MKP2 functions are still largely unknown. In this study, we showed that MKP2 could regulate histone H3 phosphorylation under oxidative stress conditions. We found that MKP2 inhibi...

journal_title：Molecular biology of the cell

authors： Jeong MW,Kang TH,Kim W,Choi YH,Kim KT

更新日期：2013-02-01 00:00:00

abstract：:Tolerance to desiccation in cultures of Saccharomyces cerevisiae is inducible; only one in a million cells from an exponential culture survive desiccation compared with one in five cells in stationary phase. Here we exploit the desiccation sensitivity of exponentially dividing cells to understand the stresses imposed ...

journal_title：Molecular biology of the cell

authors： Welch AZ,Gibney PA,Botstein D,Koshland DE

更新日期：2013-01-01 00:00:00

abstract：:Small heat shock proteins (sHsps) bind destabilized proteins during cell stress and disease, but their physiological functions are less clear. We evaluated the impact of Hsp27, an sHsp expressed in airway epithelial cells, on the common protein misfolding mutant that is responsible for most cystic fibrosis. F508del cy...

journal_title：Molecular biology of the cell

authors： Ahner A,Gong X,Schmidt BZ,Peters KW,Rabeh WM,Thibodeau PH,Lukacs GL,Frizzell RA

更新日期：2013-01-01 00:00:00

abstract：:Lens fiber formation and morphogenesis requires a precise orchestration of cell- extracellular matrix (ECM) and cell-cell adhesive changes in order for a lens epithelial cell to adopt a lens fiber fate, morphology, and migratory ability. The cell-ECM interactions that mediate these processes are largely unknown, and h...

journal_title：Molecular biology of the cell

authors： Hayes JM,Hartsock A,Clark BS,Napier HR,Link BA,Gross JM

更新日期：2012-12-01 00:00:00

abstract：:Synaptosomal associated protein of 23 kDa (SNAP-23), a plasma membrane-localized soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE), has been implicated in phagocytosis by macrophages. For elucidation of its precise role in this process, a macrophage line overexpressing monomeric Venus-tagge...

journal_title：Molecular biology of the cell

authors： Sakurai C,Hashimoto H,Nakanishi H,Arai S,Wada Y,Sun-Wada GH,Wada I,Hatsuzawa K

更新日期：2012-12-01 00:00:00

abstract：:The ARF tumor suppressor is a product of the INK4a/ARF locus, which is frequently mutated in human cancer. The expression of ARF is up-regulated in response to certain types of DNA damage, oncogene activation, and interferon stimuli. Through interaction with the p53 negative regulator MDM2, ARF controls a well-describ...

journal_title：Molecular biology of the cell

authors： Li Z,Hou J,Sun L,Wen T,Wang L,Zhao X,Xie Q,Zhang SQ

更新日期：2012-12-01 00:00:00

abstract：:Historically, much of biology was studied by physicists and mathematicians. With the advent of modern molecular biology, a wave of researchers became trained in a new scientific discipline filled with the language of genes, mutants, and the central dogma. These new molecular approaches have provided volumes of informa...

journal_title：Molecular biology of the cell

authors： Robinson DN,Iglesias PA

更新日期：2012-11-01 00:00:00

abstract：:Myosin- and Rab-interacting protein (MyRIP), which belongs to the protein kinase A (PKA)-anchoring family, is implicated in hormone secretion. However, its mechanism of action is not fully elucidated. Here we investigate the role of MyRIP in myosin Va (MyoVa)-dependent secretory granule (SG) transport and secretion in...

journal_title：Molecular biology of the cell

authors： Brozzi F,Lajus S,Diraison F,Rajatileka S,Hayward K,Regazzi R,Molnár E,Váradi A

更新日期：2012-11-01 00:00:00

abstract：:Intracellular survival of Salmonella relies on the activity of proteins translocated into the host cell by type III secretion systems (T3SS). The protein kinase activity of the T3SS effector SteC is required for F-actin remodeling in host cells, although no SteC target has been identified so far. Here we show that exp...

journal_title：Molecular biology of the cell

authors： Fernandez-Piñar P,Alemán A,Sondek J,Dohlman HG,Molina M,Martín H

更新日期：2012-11-01 00:00:00

abstract：:Rho GTPases share a common inhibitor, Rho guanine nucleotide dissociation inhibitor (RhoGDI), which regulates their expression levels, membrane localization, and activation state. The selective dissociation of individual Rho GTPases from RhoGDI ensures appropriate responses to cellular signals, but the underlying mech...

journal_title：Molecular biology of the cell

authors： Ard R,Mulatz K,Abramovici H,Maillet JC,Fottinger A,Foley T,Byham MR,Iqbal TA,Yoneda A,Couchman JR,Parks RJ,Gee SH

更新日期：2012-10-01 00:00:00

abstract：:The intermembrane space of mitochondria accommodates the essential mitochondrial intermembrane space assembly (MIA) machinery that catalyzes oxidative folding of proteins. The disulfide bond formation pathway is based on a relay of reactions involving disulfide transfer from the sulfhydryl oxidase Erv1 to Mia40 and fr...

journal_title：Molecular biology of the cell

authors： Böttinger L,Gornicka A,Czerwik T,Bragoszewski P,Loniewska-Lwowska A,Schulze-Specking A,Truscott KN,Guiard B,Milenkovic D,Chacinska A

更新日期：2012-10-01 00:00:00

abstract：:In pancreatic β-cells, glutamate dehydrogenase (GDH) modulates insulin secretion, although its function regarding specific secretagogues is unclear. This study investigated the role of GDH using a β-cell-specific GDH knockout mouse model, called βGlud1(-/-). The absence of GDH in islets isolated from βGlud1(-/-) mice ...

journal_title：Molecular biology of the cell

authors： Vetterli L,Carobbio S,Pournourmohammadi S,Martin-Del-Rio R,Skytt DM,Waagepetersen HS,Tamarit-Rodriguez J,Maechler P

更新日期：2012-10-01 00:00:00

abstract：:The homotypic fusion of yeast vacuoles requires the Rab-family GTPase Ypt7p and its effector complex, homotypic fusion and vacuole protein sorting complex (HOPS). Although the vacuolar kinase Yck3p is required for the sensitivity of vacuole fusion to proteins that regulate the Rab GTPase cycle-Gdi1p (GDP-dissociation ...

journal_title：Molecular biology of the cell

authors： Zick M,Wickner W

更新日期：2012-09-01 00:00:00