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 particular there is an increase in the endoplasmic reticulum and Golgi apparatus. Lactotrophs, first identifiable in newborn rats, are very different in ultrastructure from adult cells, because the secretory granules are generally small, but variable in shape and size and the Golgi complex is prominent.
journal_name
Cell Tissue Resjournal_title
Cell and tissue researchauthors
Hemming FJ,Dubois MP,Dubois PMdoi
10.1007/BF00213955subject
Has Abstractpub_date
1986-01-01 00:00:00pages
457-60issue
2eissn
0302-766Xissn
1432-0878journal_volume
245pub_type
杂志文章abstract::Locust lipoproteins (lipophorins) were localized by indirect immunofluorescence- and immunogold labelling in cryosections of dorsolongitudinal flight muscles. Immunolabelling was performed with monoclonal antibodies against apolipoproteins epitopes that are exposed at the surfaces of the lipophorin particles. Both at ...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00216654
更新日期:1988-06-01 00:00:00
abstract::Recently, an antibody against the choline transporter (CHT), an essential molecule involved in ACh uptake, was used to label cholinergic nerves in the central nervous system; however, the enteric nervous system (ENS) was not examined. The present study localised CHT immunoreactivity (CHT-IR) within the rat ileum ENS a...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-006-0332-z
更新日期:2007-03-01 00:00:00
abstract::Protein kinase C (PKC) is overexpressed in cancer, including pancreatic cancer, compared with normal tissue. Moreover, PKCα is considered one of the biomarkers for the diagnosis of cancers. In several human cancers, the claudin tight junction molecules are abnormally regulated and are thus promising molecular targets ...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-011-1287-2
更新日期:2011-12-01 00:00:00
abstract::Cestodes (tapeworms) are a derived, parasitic clade of the phylum Platyhelminthes (flatworms). The cestode body wall represents an adaptation to its endoparasitic lifestyle. The epidermis forms a non-ciliated syncytium, and both muscular and nervous system are reduced. Morphological differences between cestodes and fr...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-002-0687-8
更新日期:2003-03-01 00:00:00
abstract::We previously described the presence of MHC class II (HLA-DR) antigens, structurally similar to those on lymphoid cells and bearing the genetically-appropriate allotypic determinants, on human adrenocortical cells in the zona reticularis of normal glands. We now report a similar expression by granulosa-lutein cells (G...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00309876
更新日期:1990-11-01 00:00:00
abstract::The amniotic epithelium constitutes a diffusion barrier controlling the passage of solutes and water between the amniotic cavity and maternal circulation. With the present immunocytochemical approach, we have shown that several major components of the cyto-skeleton, i.e., actin, alpha-actinin, spectrin and ezrin, are ...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00318194
更新日期:1991-11-01 00:00:00
abstract::Radiofrequency lesions were made in the lateral geniculate nuclei of six squirrel monkeys. The resulting degenerating terminals and their postsynaptic structures in layer IV of area 17 were quantitatively categorized on photomontages covering large areas of neuropil. Two to five days after the lesion, numerous axon te...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00234741
更新日期:1979-02-28 00:00:00
abstract::The otoconia of Amphibia, especially of the frog Rana esculenta, were studied by X-ray diffraction and scanning electron microscopy (SEM). The SEM studies showed that the membranous labyrinth of Amphibia contains two populations of crystals, which can easily be distinguished by their forms. The X-ray diffraction data ...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00222230
更新日期:1983-01-01 00:00:00
abstract::Pituitary somatotrops were localized in four species from the genus Oncorhynchus using an antiserum to chum salmon (Oncorhynchus keta) growth hormone. The antiserum cross-reacted specifically with the acidophils in the caudal pars distalis of all species tested. Corroborative immunodiffusion studies were also conducte...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00218126
更新日期:1983-01-01 00:00:00
abstract::The immunological identity of a uteroglobin-like protein, occurring in respiratory tract secretions and tissue, with uteroglobin from rabbit endometrial secretion is demonstrated. A uteroglobin-like antigen has been localized in bronchial epithelial cells and in bronchioles by immunofluorescence. This secretory protei...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00210033
更新日期:1978-06-26 00:00:00
abstract::The midgut cells of Tomocerus minor (Insecta, Collembola) were examined with the electron microscope and cytochemically. The midgut epithelium consists of a series of cells characterised by numerous mineral concretions scattered throughout the cytoplasm. Mitochondria are abundant; microvilli are well developed at the ...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00236347
更新日期:1979-01-30 00:00:00
abstract::The young of the aquatic Australian frog, Rheobatrachus silus (Leptodactylidae) develop from eggs to juvenile frogs in the mother's stomach. During brooding the stomach expands greatly and becomes very thin walled. Transmission electron microscopy showed that the distension of the stomach was accompanied by a severe d...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00222194
更新日期:1983-01-01 00:00:00
abstract::The alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptors are the principal molecular units for fast excitatory synaptic transmission in the central nervous system. The glutamate-mediated transmission efficiency of synaptic AMPA receptors is influenced by their subunit composition (GluR-A to GluR-D...
journal_title:Cell and tissue research
pub_type: 杂志文章,评审
doi:10.1007/s00441-006-0275-4
更新日期:2006-11-01 00:00:00
abstract::Central projections of the nervus terminalis (n.t.) in the goldfish were investigated using cobalt- and horseradish peroxidase-tracing techniques. Single n.t. fibers were identified after unilateral application of cobalt chloride-lysine to the rostral olfactory bulb. The central course and branching patterns of indivi...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00218095
更新日期:1986-01-01 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
pub_type: 杂志文章
doi:10.1007/BF01740771
更新日期:1990-03-01 00:00:00
abstract::We have developed a simple and reliable method of preserving antigen immunoreactivity with concomitant excellent retention of the cell ultrastructure. Using this method, we have been able to follow the origin and developmental stages of nuage accumulations within the nurse cell/oocyte syncytium in the ovary of the fru...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-011-1145-2
更新日期:2011-04-01 00:00:00
abstract::R*-cells of the digestive gland of Carcinus maenas have been investigated functionally and morphologically. A comparison of the capacity of separated cell suspensions to synthesize glycogen gave support to the hypothesis that R and R* cells belong to the same cell line. The unexpected observation of R* cells in gastri...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00318696
更新日期:1992-01-01 00:00:00
abstract::During pregnancy, the calcium (Ca(2+)) transport machinery of the placenta is solely responsible for the nutrient supply to the developing fetus, where active Ca(2+) transport occurs from the mother to the fetus. As part of a larger study to determine the role of Ca(2+) in placental transport in vivo, we questioned wh...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-003-0811-4
更新日期:2004-01-01 00:00:00
abstract::Chorionic binucleate cells (BNC) occur in several ruminants including cow, deer, goat and sheep. They migrate through the chorionic tight junction to fuse with uterine epithelial cells and discharge their granules into maternal connective tissue. We have compared the BNC of near-term, resin-embedded, ovine and bovine ...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00331380
更新日期:1994-12-01 00:00:00
abstract::Gill lamellae of a bivalve Anodonta woodiana lauta (v. Martens) were observed by electron microscopy. The Anodonta gill wall consists of a single layer of epithelial cells, its basal lamina and the underlying connective tissue layer. It was confirmed that there is no true endothelium in the vessels and that the connec...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00222069
更新日期:1975-01-01 00:00:00
abstract::For the study of the hypothalamo-hypophysial system of Xenopus laevis tadpoles, hypothalamic lesions were made by means of the electrocoagulation technique. Lesioning of the ventral region of the preoptic nucleus resulted in a decrease of the number of ACTH cells in the pars distalis of the pituitary gland and in a di...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00219304
更新日期:1976-06-11 00:00:00
abstract::This study aims to illustrate potential transport mechanisms behind the divergent approaches to nitrogen excretion seen in the ureotelic toadfish (Opsanus beta) and the ammoniotelic plainfin midshipman (Porichthys notatus). Specifically, we wish to confirm the expression of a urea transporter (UT), which is found in t...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-013-1591-0
更新日期:2013-06-01 00:00:00
abstract::Injection of wheat-germ agglutinin-horseradish peroxidase conjugate (WGA-HRP) into the superior cervical ganglion (SCG) of the rat results in accumulation of WGA-HRP in sympathetic postganglionic neurons in the contralateral SCG. The sympathetic pathways involved and the mechanism underlying the labeling were investig...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00327745
更新日期:1990-10-01 00:00:00
abstract::Four months after the selective ablation of inner hair cells by carboplatin, the interdental cell epithelium exhibited dilated intercellular spaces and cytosolic vacuoles not seen in controls. In addition, the wide, often electron-lucent phalanges observed in the interdental cells of the normal chinchilla collapsed in...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s004410000253
更新日期:2000-10-01 00:00:00
abstract::Kainate receptors form a family of ionotropic glutamate receptors that appear to play a special role in the regulation of the activity of synaptic networks. This review first describes briefly the molecular and pharmacological properties of native and recombinant kainate receptors. It then attempts to outline the gene...
journal_title:Cell and tissue research
pub_type: 杂志文章,评审
doi:10.1007/s00441-006-0265-6
更新日期:2006-11-01 00:00:00
abstract::Regeneration of rat mast cells was studied by TEM from 10 s to 48 h after secretion of histamine induced by compound 48/80. During the first 2 h, small intracellular cavities, formed during compound exocytosis and containing non-membrane-bound remnants of the granules, tended to coalesce, and after 2 h of incubation r...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00238658
更新日期:1981-01-01 00:00:00
abstract::A pressure device has been used to obtain information about the forces involved in the maintenance of the aggregated state of melanophores of the angelfish, Pterophyllum scalare. Single aggregated melanophores of isolated scales were submitted to mechanical compression with forces ranging from 50-320 mup. As a functio...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00219951
更新日期:1975-01-01 00:00:00
abstract::Prolonged secretory stimulation of the exocrine pancreas in the rat by in vivo infusion of caerulein leads to a rapid degranulation of the organ associated with a progressive reduction in the size of the zymogen granules. During the first six to twelve hours of stimulation Golgi complexes are enlarged and several stru...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00224474
更新日期:1976-01-28 00:00:00
abstract::Osteoblasts are specialized mesenchyme-derived cells accountable for bone synthesis, remodelling and healing. Differentiation of osteoblasts from mesenchymal stem cells (MSC) towards osteocytes is a multi-step process strictly controlled by various genes, transcription factors and signalling proteins. The aim of this ...
journal_title:Cell and tissue research
pub_type: 杂志文章,评审
doi:10.1007/s00441-013-1750-3
更新日期:2014-01-01 00:00:00
abstract::Placenta-derived stem cells (PDSCs) have gained interest as an alternative source of stem cells for regenerative medicine because of their potential for self-renewal and differentiation and their immunomodulatory properties. Although many studies have characterized various PDSCs biologically, the properties of the sel...
journal_title:Cell and tissue research
pub_type: 临床试验,杂志文章
doi:10.1007/s00441-011-1249-8
更新日期:2011-10-01 00:00:00