Pathology of the cytoskeleton of the human sperm flagellum: axonemal and peri-axonemal anomalies.

abstract：:The distribution of viral RNA molecules in HeLa cells infected with adenovirus type 5 (Ad5) was determined by in situ hybridization at the ultrastructural level at an intermediate stage of nuclear transformation, when viral DNA synthetic activities were maximal but progeny viruses were still sparse. Transcription site...

journal_title：Biology of the cell

authors： Puvion-Dutilleul F,Puvion E

更新日期：1991-01-01 00:00:00

abstract：BACKGROUND INFORMATION:The BOR (branchio-oto-renal) syndrome is a dominant disorder most commonly caused by mutations in the EYA1 (Eyes Absent 1) gene. Symptoms commonly include deafness and renal anomalies. RESULTS:We have used the embryos of the frog Xenopus laevis as an animal model for early ear development to exa...

journal_title：Biology of the cell

authors： Li Y,Manaligod JM,Weeks DL

更新日期：2010-02-17 00:00:00

abstract：:The activation of M-phase promoting factor (MPF) in one-cell mouse embryo is independent from the nucleus. Other autonomous phenomena include the cortical activity observed at the end of the first cell cycle and the reorganization of the microtubule network. Here, we observed that the autonomous control of MPF activat...

journal_title：Biology of the cell

authors： Ciemerych MA,Tarkowski AK,Kubiak JZ

更新日期：1998-11-01 00:00:00

abstract：:The interaction of cells with extracellular matrix components contributes to their specific differentiation. We studied hepatic peroxisomes and their changing features during embryonic development, and we immunolocalized in the same tissue the extracellular matrix components laminin and collagen IV as well as the inte...

journal_title：Biology of the cell

authors： Depreter M,Nardacci R,Tytgat T,Espeel M,Stefanini S,Roels F

更新日期：1998-12-01 00:00:00

abstract：:Co-isolated residual nuclear shells and residual nucleoli from membrane-depleted rat liver nuclei were spread according to Kleinschmidt's method. Comparison of the spread residual structures isolated from nuclear shells and spread pore complex-lamina isolated from nuclear envelopes showed that these residual structure...

journal_title：Biology of the cell

authors： Bureau J,Hubert J,Bouteille M

更新日期：1986-01-01 00:00:00

abstract：:The plasma membrane components of the parasitic protozoan Entamoeba histolytica, the causative agent of human invasive amebiasis, have been biochemically and immunologically characterized during the last decade. In addition, genes coding for certain surface proteins have been cloned. In spite of these advances, a unif...

journal_title：Biology of the cell

authors： Espinosa-Cantellano M,Martínez-Palomo A

更新日期：1991-01-01 00:00:00

abstract：:We have identified and characterized a membrane glycoprotein located at the apical plasma membrane of adult human colon epithelial cells, by the use of the monoclonal antibody technique in combination with immunocytochemical and biochemical methods. Analysis of membranes extracted with Triton X-114 and treated with sp...

journal_title：Biology of the cell

authors： Le Bivic A,Hirn M,Reggio H

更新日期：1987-01-01 00:00:00

abstract：:The development of a single, very large (25-35 microns diameter) nucleolus during oogenesis in the crustacean Acanthocyclops vernalis is described. The nucleolus is the site of ribosomal RNA production in the egg, as shown by in situ hybridization, and apparently the only source, as accessory cells are not observed. R...

journal_title：Biology of the cell

authors： Standiford DM

更新日期：1988-01-01 00:00:00

abstract：:The chromosomal localization of the mouse gene coding for the 68 kDa intermediate filament subunit of neurones (NF-L) was determined by in situ hybridization using specific 3H-labelled DNA probes. There is only one copy of the NF-L gene. The gene encoding NF-L is located on chromosome 14 region (D1-E1). ...

journal_title：Biology of the cell

authors： Mattei MG,Duprey P,Li ZL,Mattei JF,Paulin D

更新日期：1989-01-01 00:00:00

abstract：BACKGROUND INFORMATION:Matrix metalloproteinases (MMPs) are the key enzymes responsible for the remodelling of extracellular matrix. Two of them, namely MMP-2 and MMP-9 (gelatinases A and B, respectively), are expressed in skeletal muscles and are involved in their regeneration after the injury. Although MMPs are prima...

journal_title：Biology of the cell

authors： Zimowska M,Swierczynska M,Ciemerych MA

更新日期：2013-08-01 00:00:00

abstract：:We have recently shown that staurosporine (ST) can trigger apoptosis of CaSki and HeLa cervical tumor cells from G2/M checkpoint, though the mechanism remains elusive. In this study, we reported that ST induced the inhibition of E6 and E7 viral oncogene and MDM2 expression, while it led to increased levels of p53, whi...

journal_title：Biology of the cell

authors： Bernard B,Prétet JL,Charlot JF,Mougin C

更新日期：2003-01-01 00:00:00

abstract：:In the present study, we describe the structural and cytological changes observed in staggerer mutant olfactory bulbs, as compared to normal mice. On the basis of photonic and ultrastructural observations we tried to define the alterations induced by the mutation: i.e. a reduction of bulb size, a reduction in the volu...

journal_title：Biology of the cell

authors： Monnier Z,Bahjaoui-Bouhaddi M,Bride J,Bride M,Math F,Propper A

更新日期：1999-01-01 00:00:00

abstract：BACKGROUND INFORMATION:Claudin-1 (CLDN1) is a four-span transmembrane protein localised at cell-cell tight junctions (TJs), playing an important role in epithelial impermeability and tissue homoeostasis under physiological conditions. Moreover, CLDN1 expression is up-regulated in several cancers, and the level of CLDN1...

journal_title：Biology of the cell

authors： Clément CMH,Deffieu MS,Dorobantu CM,Baumert TF,Ayala-Nunez NV,Mély Y,Ronde P,Gaudin R

更新日期：2020-05-01 00:00:00

abstract：:Extensive developmentally programmed DNA rearrangements, including thousands of internal deletions, occur in the differentiating somatic macronucleus in Tetrahymena thermophila. Some deletion systems involve the use of multiple alternative deletion sites. We report here the cloning and the sequences of three new alter...

journal_title：Biology of the cell

authors： Chau MF,Orias E

更新日期：1996-01-01 00:00:00

abstract：:Regulated exocytosis of defensive secretory organelles, the trichocysts, as well as a transient Ca(2+)-influx can be induced in Paramecium by aminoethyldextran (Kerboeuf and Cohen, J Cell Biol (1990) 111, 2527). Knoll et al (Febs Lett (1992) 304, 265) reported that veratridine was also a secretagogue for Paramecium. H...

journal_title：Biology of the cell

authors： Kerboeuf D,Cohen J

更新日期：1996-01-01 00:00:00

abstract：:The dynamics of change in mitochondria-rich (MR) cells density in the skin epithelium of Bufo viridis was studied on skin biopsies taken in vivo, throughout experimental periods lasting up to 3 months. When the bathing solution contained Cl-, MR cells' density (Dmrc) greatly decreased. There was one exception, when th...

journal_title：Biology of the cell

authors： Katz U,Gabby S

更新日期：1995-01-01 00:00:00

abstract：:Evidence is presented that two circumferential zones of cell envelope differentiation, the periseptal annuli, exist in E. coli as previously observed in S. typhimurium. The periseptal annulus is located at the division site of cells. A strain overproducing a periplasmic protein, PhoS (phosphate-binding protein) has be...

journal_title：Biology of the cell

authors： Anba J,Bernadac A,Pages JM,Lazdunski C

更新日期：1984-01-01 00:00:00

abstract：:Changes in the organization of centrosomes in mouse splenic T lymphocytes stimulated by concanavalin A (con A) were examined by electron microscopy of serial sections. In both resting and stimulated lymphocytes the single centrosome consists of a pair of centrioles, satellite bodies, and pericentriolar material. In re...

journal_title：Biology of the cell

authors： Schweitzer I,Brown DL

更新日期：1984-01-01 00:00:00

abstract：:Different cytochemical and morphological parameters were used to compare the functional patterns of the erythrocytes in the transition from the trophic (yellow eel) to the reproductive (silver eel) phases of European eel (Anguilla anguilla L.). Data on the nucleus were obtained by microdensitometric (Feulgen reaction)...

journal_title：Biology of the cell

authors： Barni S,Gerzeli G

更新日期：1985-01-01 00:00:00

abstract：:This review highlights new developments in miRNA as diagnostic and surveillance tools in diseases damaging the renal proximal tubule mediated by endothelin in the field of renal carcinoma, proteinuric kidney disease and tubulotoxicity. A new mechanism in the miRNA regulation of proteins leads to the binding of the miR...

journal_title：Biology of the cell

authors： Fries JWU

更新日期：2019-07-01 00:00:00

abstract：BACKGROUND INFORMATION:CLEM (correlative live cell and electron microscopy) seeks to bridge the data acquired with different imaging strategies, typically between light microscopy and electron microscopy. It has been successfully applied in cell cultures, although its use in multicellular systems is hampered by difficu...

journal_title：Biology of the cell

authors： Kolotuev I,Schwab Y,Labouesse M

更新日期：2009-12-04 00:00:00

abstract：:This study reports the synthesis of l-desamino-7-lysine- (fluorescein)-8-arginine-vasotocin (7-lys(flu) dAVT), and describes its biological activity in the isolated urinary bladder of the toad Bufo marinus. 7-lys(flu)dAVT was fully active in increasing bladder permeability to water. A half-maximal hydroosmotic respons...

journal_title：Biology of the cell

authors： Eggena P,Buku A

更新日期：1989-01-01 00:00:00

abstract：:Structured mRNA elements called riboswitches control gene expression by binding to small metabolites. Over a dozen riboswitch classes have been characterized that target a broad range of molecules and vary widely in size and secondary structure. Four of the known riboswitch classes recognize purines or modified purine...

journal_title：Biology of the cell

authors： Kim JN,Breaker RR

更新日期：2008-01-01 00:00:00

abstract：:When mouse peritoneal macrophages were made to adhere firmly on glass surface and then removed by sequential treatment with hypotonic triethanolamine and Nonidet P-40, a set of proteins were found to be left behind at the sites of adherent cells. Such glass-adherent proteins were detected as round or ellipsoidal patch...

journal_title：Biology of the cell

authors： Tomita M,Ishikawa H

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND:Integrins are transmembrane alphabeta heterodimer receptors that function as structural and functional bridges between the cytoskeleton and ECM (extracellular matrix) molecules. The RGD (arginine-glycine-aspartate tripeptide motif)-dependent integrin alpha8beta1 has been shown to be involved in various cell ...

journal_title：Biology of the cell

authors： Benoit YD,Lussier C,Ducharme PA,Sivret S,Schnapp LM,Basora N,Beaulieu JF

更新日期：2009-09-14 00:00:00

abstract：:A central issue in the understanding of Marfan syndrome deals with the functional architecture of fibrillin-containing microfibrils. Fibrillin-rich microfibrils are long extracellular matrix fibrillar components exhibiting a 50 nm periodic beaded-structure with a width of around 20-25 nm after rotary shadowing and a 1...

journal_title：Biology of the cell

authors： Hanssen E,Franc S,Garrone R

更新日期：1998-06-01 00:00:00

abstract：BACKGROUND INFORMATION:Nucleolin is a major nucleolar protein which is highly expressed in rapidly dividing cells and cancer cell lines. This protein is claimed to be multifunctional and could play a role in rRNA (ribosomal RNA) synthesis, as well as in cell division or response to cellular stresses. Therefore, how nuc...

journal_title：Biology of the cell

authors： Storck S,Thiry M,Bouvet P

更新日期：2009-03-01 00:00:00

abstract：:ERM (ezrin/radixin/moesin) proteins, concentrated in actin rich cell-surface structures, cross-link actin filaments with the plasma membrane. They are involved in the formation of microvilli, cell-cell adhesion, maintenance of cell shape, cell motility and membrane trafficking. Recent analyses reveal that they are not...

journal_title：Biology of the cell

authors： Louvet-Vallée S

更新日期：2000-08-01 00:00:00

abstract：:We took advantage of one of the main possibilities of ion microscopy, ie isotopic analysis, to study the cellular distribution of molecules labelled either with carbon 14 or with stable isotopes of low natural abundance such as nitrogen 15 and deuterium. The surface of the sample is bombarded with an ion beam (O2+, Cs...

journal_title：Biology of the cell

authors： Hindie E,Coulomb B,Beaupain R,Galle P

更新日期：1992-01-01 00:00:00

abstract：:Previous experiments have revealed a relatively weak electrostatic binding capacity of in vitro reconstituted intermediate filaments (IFs) as well as of natural IFs of whole cell mount preparations for purified ribosomal particles of mammalian origin. In order to demonstrate that such associations also occur in vivo, ...

journal_title：Biology of the cell

authors： Traub P,Bauer C,Hartig R,Grüb S,Stahl J

更新日期：1998-07-01 00:00:00