Fasting differentially regulates expression of agouti-related peptide, pro-opiomelanocortin, prepro-orexin, and vasoactive intestinal polypeptide mRNAs in the hypothalamus of Japanese quail.

abstract：:In plants, intercellular structures named plasmodesmata (PD) form a continuous cytoplasmic network between neighboring cells. PD pores provide channels for intercellular symplasmic (cell-to-cell) transport throughout most tissues of the plant body. Cell-defining proteins, such as transcription factors, and regulatory ...

journal_title：Cell and tissue research

authors： Kragler F

更新日期：2013-04-01 00:00:00

abstract：:To identify anterior pituitary cell types containing GnRH binding sites and to study the internalization process of this peptide by target cells under physiological conditions, autoradiography was performed on rat anterior pituitaries removed at specific time intervals (2-60 min) after intravenous injection of mono-ra...

journal_title：Cell and tissue research

authors： Morel G,Dihl F,Aubert ML,Dubois PM

更新日期：1987-06-01 00:00:00

abstract：:The innervation of the uterus in the ovoviviparous urodele Salamandra salamandra was studied. In whole mount preparations of the thin-walled uterus of pregnant females, a dense adrenergic network was demonstrated using a modified glyoxylic acid fluorescence technique. Based on vesicle type and cytochemical reactivity ...

journal_title：Cell and tissue research

authors： Greven H,Schindelmeiser J,Straub H

更新日期：1983-01-01 00:00:00

abstract：:The ultrastructure of immunoreactive somatotrophs and lactotrophs in pituitaries of fetal rats at 19, 20 and 21 days of gestation and on the day of birth was studied. Somatotrophs, first detectable at 19 days of gestation, undergo only minor modifications before reaching the structure described for adults. In particul...

journal_title：Cell and tissue research

authors： Hemming FJ,Dubois MP,Dubois PM

更新日期：1986-01-01 00:00:00

abstract：:The spermatogonial stem cell line in prepubertal and adult bovine testis was studied by electron microscopy and protein gene product 9.5 immunohistochemistry. Three successive spermatogonia precursor cell configurations were observed. Small basal stem cells were found to possess a spherical shape and nuclei with two t...

journal_title：Cell and tissue research

authors： Wrobel KH,Bickel D,Kujat R,Schimmel M

更新日期：1995-08-01 00:00:00

abstract：:The skeletal body muscle of vertebrates is derived from segmentally arranged mesodermal structures, the somites. Only the dorsal epithelial half of the somite, the dermomyotome, gives rise to muscle cells during normal development. Head muscle takes its origin from the somites, the unsegmented paraxial head mesoderm a...

journal_title：Cell and tissue research

authors： Brand-Saberi B,Christ B

更新日期：1999-04-01 00:00:00

abstract：:In adrenalectomized rats the influence of salt loading or salt deprivation on the vasopressin and oxytocin content of the median eminence (ME) and the neural lobe (NL) was studied by means of various methods: morphometric and microphotometric analysis of aldehyde fuchsin-stained sections of ME and NL; immunohistochemi...

journal_title：Cell and tissue research

authors： Mink D,Lang RE,Ostermann E,Bock R

更新日期：1986-01-01 00:00:00

abstract：:Electron microscopy of the rat lymph node disclosed reticular cells in close association with bundles of collagenous fibrils 30-45 nm in diameter, and electron lucent "amorphous" substances surrounded by microfibrils 11 nm in diameter, with junctional complexes. The amorphous substances, distinctly revealed by orcein ...

journal_title：Cell and tissue research

authors： Miyata K,Takaya K

更新日期：1981-01-01 00:00:00

abstract：:In the corpuscles of Stannius of sticklebacks and eels two cell types are described of presumably endocrine nature. The predominating type, comparable to the cells observed in other species, responds to variation in calcium content of the medium and possibly produces a hypocalcemic hormone. The second cell type is unr...

journal_title：Cell and tissue research

authors： Bonga SE,Greven JA

更新日期：1975-06-09 00:00:00

abstract：:Nerve growth factor (NGF) induces morphological and physiological changes in cultured pancreatic beta-cells, including the extension of neurite-like processes. This latter effect is potentiated by dibutyryl cAMP (dbcAMP). beta-cells cultured under these conditions maintain their immunoreactivity to insulin and gamma-a...

journal_title：Cell and tissue research

authors： González del Pliego M,Aguirre-Benítez E,Sánchez-Soto MC,Larrieta ME,Velázquez-Carranza A,Vidaltamayo R,Meza-Mora M,Zepeda-Rodríguez A,Hernández-Falcón J,Hiriart M

更新日期：2001-09-01 00:00:00

abstract：:Sections of glutaraldehyde-OsO4-fixed, plastic-embedded rat incisor enamel were left untreated, stained, decalcified (1% formic acid in 10% sodium citrate), or decalcified-stained. The presence of apatite crystals was monitored with electron diffraction. After brief decalcification and staining, apatite crystals and m...

journal_title：Cell and tissue research

authors： Kallenbach E

更新日期：1986-01-01 00:00:00

abstract：:Modulation of the actin cytoskeleton in chondrocytes has been used to prevent or reverse dedifferentiation and to enhance protein synthesis. We have hypothesized that an actin-modifying agent, staurosporine, could be used with fibrochondrocytes to increase the gene expression and synthesis of critical fibrocartilage p...

journal_title：Cell and tissue research

authors： Hoben GM,Athanasiou KA

更新日期：2008-12-01 00:00:00

abstract：:The median eminence/pituitary stalk represents the final common pathway for fibers from neurons that project to the pituitary gland. We have used the lipophilic fluorescent tracer 1,1'-dioctadecyl-3,3,3',3'-tetramethylindocarbocyanine perchlorate (DiI) to determine the location of neurons projecting to the median emin...

journal_title：Cell and tissue research

authors： Knapp R,Silver R

更新日期：1995-04-01 00:00:00

abstract：:We have recently examined the electrophysiology and ultrastructure of approximately 100 tactile spines from the metathoracic legs of adult cockroaches. In only one animal the single sensory neuron that innervates the spine was replaced with a pair of apparently identical neurons which we believe were both functional. ...

journal_title：Cell and tissue research

authors： Kuster JE,French AS

更新日期：1984-01-01 00:00:00

abstract：:The cytotrophoblastic cell columns and trophoblastic shell of macaque placentas accumulate progressively greater amounts of intercellular material during early gestation. We studied the composition of this material in placentas collected from 22-34 days of gestation by using immunoperoxidase techniques directed to the...

journal_title：Cell and tissue research

authors： Blankenship TN,Enders AC,King BF

更新日期：1992-11-01 00:00:00

abstract：:High-density cultures are widely used as an in vitro model for studies of embryonic cartilage formation. In the present study we investigated the suitability of high-density cultures for the redifferentiation of dedifferentiated chondrocytes. When primary human chondrocytes were cultured in alginate beads, some cells ...

journal_title：Cell and tissue research

authors： Schulze-Tanzil G,de Souza P,Villegas Castrejon H,John T,Merker HJ,Scheid A,Shakibaei M

更新日期：2002-06-01 00:00:00

abstract：:By a regular immunoperoxidase method, alpha-1-proteinase inhibitor (Api) was demonstrated in pancreatic islets in individuals with and without genetic deficiency of Api. Subsequently a double immunoperoxidase method, with two different chromogens (diaminobenzidine-brown and 4-chloro-1-naphthol-blue), was applied on th...

journal_title：Cell and tissue research

authors： Ray MB,Zumwalt RE

更新日期：1986-01-01 00:00:00

abstract：:Adenosine 5'-triphosphate is known to function as a potent extracellular messenger, producing its effects via a distinct family of cell surface receptors. Different receptor subtypes have been shown to modulate different cellular functions such as proliferation, differentiation and apoptosis. We have investigated the ...

journal_title：Cell and tissue research

authors： White N,Butler PE,Burnstock G

更新日期：2005-09-01 00:00:00

abstract：:When tissues are processed for electron microscopy by conventional methods, such as glutaraldehyde fixation followed by rapid dehydration in acetone, basement membranes show two main layers: the electron-lucent "lamina lucida". (or rara) and the electron-dense "lamina densa". In an attempt to determine whether this su...

journal_title：Cell and tissue research

authors： Chan FL,Inoue S,Leblond CP

更新日期：1993-07-01 00:00:00

abstract：:Endothelial cells separate the intra- and extravascular space and regulate transport processes between these compartments. Since intercellular junctions are required for these specific cell functions, the cell-cell contacts in the permanent cell line ECV304 were systematically analyzed and compared with human umbilica...

journal_title：Cell and tissue research

authors： Kiessling F,Kartenbeck J,Haller C

更新日期：1999-07-01 00:00:00

abstract：:The present lectin histochemical comparison of cauda epididymal and ampullary bovine sperm was conducted to investigate whether ampullary secretions are involved in altering the plasma-membrane glycoconjugates of sperm. A marked redistribution of glycoconjugates between sperm from these two regions was indeed revealed...

journal_title：Cell and tissue research

authors： Bergerson W,Amselgruber W,Sinowatz F,Bergerson M

更新日期：1994-03-01 00:00:00

abstract：:Semaphorin 3A (Sema3A) axon repellant serves multiple developmental functions. Sema3A mRNAs are expressed in epithelial and mesenchymal components of the developing incisor in a dynamic manner. Here, we investigate the functions of Sema3A during development of incisors using Sema3A-deficient mice. We analyze histomorp...

journal_title：Cell and tissue research

authors： Shrestha A,Moe K,Luukko K,Taniguchi M,Kettunen P

更新日期：2014-07-01 00:00:00

abstract：:Ontogenetic differentiation of the human thymus was investigated in 50 embryos by means of light and electron microscopic methods in an attempt to clarify the morphogenesis of the complicated microecology of thymic tissue. At the 8th gestational week (g.w.), the primordium of the thymus contains almost exclusively und...

journal_title：Cell and tissue research

authors： von Gaudecker B,Müller-Hermelink HK

更新日期：1980-01-01 00:00:00

abstract：:Retinal pigment epithelial cells from chicks at various stages of development were examined by transmission electron microscopy to determine how the adult form of the zonula adhaerens, composed of subunits termed zonula adhaerens complexes, is acquired. During early stages of development, between embryonic day 4 and e...

journal_title：Cell and tissue research

authors： Sandig M,Kalnins VI

更新日期：1990-03-01 00:00:00

abstract：:Our findings suggest that nitric oxide (NO) acts as peripheral neuromodulator in locusts, in which it is commonly co-localized with RF-like peptide in neurosecretory cells. We also present the first evidence for NO as a cardio-regulator in insects. Putative NO-producing neurones were detected in locust pre-genital fre...

journal_title：Cell and tissue research

authors： Bullerjahn A,Mentel T,Pflüger HJ,Stevenson PA

更新日期：2006-08-01 00:00:00

abstract：:The distribution of Mg++-ATPase in osteoclasts along the endosteal surface of the chick tibia was investigated by neutral and alkaline pH cytochemical methods at the electron-microscopic level. Reaction product was observed in mitochondria, cytoplasmic vesicles, and ruffled-border membrane. Levamisole, ouabain, and va...

journal_title：Cell and tissue research

authors： Akisaka T,Gay CV

更新日期：1986-01-01 00:00:00

abstract：:The structure of guppy (Poecilia reticulata) spermatogonia and spermatocytes has been studied using electron microscopy. The spermatogonia, situated at the apex of the seminiferous tubule, are almost all surrounded by a network of Sertoli cells; they have very diffuse chromatin and one or two large nucleoli. The cytop...

journal_title：Cell and tissue research

authors： Billard R

更新日期：1984-01-01 00:00:00

abstract：:The chemical nature of the thickened plasma membrane of cornified cells in stratified squamous epithelium was investigated in comparison with that in noncornified epithelium. Localizations of transglutaminase, molecular weight 92,000 daltons, and detection of epidermal cysteine proteinase inhibitor were effected with ...

journal_title：Cell and tissue research

authors： Nakano S,Fukuyama K,Epstein WL

更新日期：1987-08-01 00:00:00

abstract：:In an attempt to identify pancreatic islet cells emitting formaldehyde-induced fluorescence (FIF), the pancreatic islets of the domestic fowl were studied by combined fluorescence, ultrastructural, silver-impregnation and immunohistochemical methods in the same section or in consecutive semi-thin and ultra-thin sectio...

journal_title：Cell and tissue research

authors： Watanabe T,Chikazawa H,Yamada J

更新日期：1984-01-01 00:00:00

abstract：:Using a somatostatin-gold conjugate of known biological activity, high affinity binding sites for this neuropeptide were visualized at cellular resolution on cultured diencephalic astrocytes and on frozen sections of the rat diencephalon. Binding could be completely suppressed in competition experiments with surplus u...

journal_title：Cell and tissue research

authors： Krisch B,Buchholz C,Mentlein R

更新日期：1991-02-01 00:00:00