Abstract:
:The effects of progesterone pretreatment on in vivo 3H-estrogen uptake by five anterior pituitary cell types was analyzed by means of a quantitative autoradiographic-immunocytochemical technique. Male and female rats castrated for 14 days show nuclear concentration of label in all five cell types one h after injection of 3H-estradiol, whether progesterone treated or not. The order of labeling intensity is gonadotropes greater than or equal to lactotropes = somatotropes greater than thyrotropes = corticotropes. Progesterone treatment induces a dramatic sexual dimorphism in estrogen uptake; it significantly increases 3H-estrogen uptake in all female cell types. In males, progesterone decreases uptake in gonadotropes while not altering uptake in other cell types.
journal_name
Cell Tissue Resjournal_title
Cell and tissue researchauthors
Keefer DAdoi
10.1007/BF00236250subject
Has Abstractpub_date
1981-01-01 00:00:00pages
75-86issue
1eissn
0302-766Xissn
1432-0878journal_volume
215pub_type
杂志文章abstract::The colocalization of immunoreactivities to substance P and calcitonin gene-related peptide (CGRP) in nervous structures and their correlation with other peptidergic structures were studied in the stellate ganglion of the guinea pig by the application of double-labelling immunofluorescence. Three types of fibre were d...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00318563
更新日期:1993-06-01 00:00:00
abstract::We compare the ultrastructure of the gerbil sublingual gland as seen after cryofixation followed by substitution with osmium tetroxide, with the more familiar appearance of material processed by glutaraldehyde-osmium chemical fixation. After primary cryofixation of fresh salivary glands, the nuclei of the mucous cells...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00219075
更新日期:1987-11-01 00:00:00
abstract::The effects of dexamethasone on the ability of cells enzymatically isolated from 21-day fetal rat calvaria to produce cartilage in vitro has been investigated. Primary cultures of single-cell suspensions of rat calvaria were grown for up to 28 days in vitro in alpha-minimal essential medium containing 15% fetal bovine...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00224728
更新日期:1989-04-01 00:00:00
abstract::With the gallocyanine technique (Wittkowski, Bock and Franken, 1970) Gomori-positive substances of the infundibulum can be stained for light- and electron-microscopic examination. In various mammalian species, the size of Gomori-positive elementary granules in the outer layer is markedly different from that in the inn...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00218495
更新日期:1975-11-19 00:00:00
abstract::The pinealocytes of the pig contain conspicuous dense bodies, the nature and role of which are not yet fully elucidated. The aim of this study was to demonstrate whether or not these structures are involved in the secretion process. The tannic acid-Ringer incubation (TARI)-method, which allows a clear-cut ultrastructu...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00313977
更新日期:1991-05-01 00:00:00
abstract::Synapses in the lateral septum of the murine brain have been investigated by ultrastructural immunocytochemistry, using monoclonal anti-neurophysins in both immunoperoxidase and immunogold techniques. In the region shown by light microscopy to be rich in vasopressinergic innervation, synaptic boutons containing approx...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00215524
更新日期:1987-08-01 00:00:00
abstract::The clear zones seen around microtubules in transverse sections of nutritive tubes vary in size depending on whether a microtubule is bordered by ribosomes or by another microtubule. We consider that such a finding is not consistent with the current view, that the clear zone is maintained by microtubule-associated mat...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00204791
更新日期:1982-01-01 00:00:00
abstract::In three species of teleosts - carp Cyprinus carpio; grass carp Ctenopharyngodon idella; and crucian carp Carassius auratus - the caudal neurosecretory system displays small, medium-sized and large neurons. Urotensin I (UI)-immunoreactive and UI-nonreactive neurons were found in all three groups; in general, the numbe...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00212550
更新日期:1986-01-01 00:00:00
abstract::Neuroblastoma cells grown on substrates in culture develop long processes and assume the morphology of normal neurons as judged light microscopically. The development of synapses in the cultured tissue is studied by periodic electron microscopic examination of the areas of contact between cells. The initial explants a...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00232282
更新日期:1980-01-01 00:00:00
abstract::Intercellular bridges have been detected in ovarian follicle cells of Drosophila melanogaster. These bridges occur widely between follicle cells of previtellogenic chambers, while, in vitellogenic chambers, they become restricted to the columnar follicle cells. Usually, only one bridge is detectable between adjacent f...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00224931
更新日期:1978-01-31 00:00:00
abstract::Pituitary adenylate cyclase-activating polypeptide (PACAP) and helospectin are two vasoactive intestinal polypeptide (VIP)-related neuropeptides that have recently been demonstrated in the mammalian gut; the aim of this study was to reveal their occurrence and localisation in the gastrointestinal tract, swimbladder, u...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00300227
更新日期:1994-09-01 00:00:00
abstract::Sigma receptor 1 (σR1), a non-opiate transmembrane protein located on endoplasmic reticulum (ER) and mitochondrial membranes, is considered to be a molecular chaperone. Marked protection against cell death has been observed when ligands for σR1 have been used in in vitro and in vivo models of retinal cell death. Mice ...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-013-1774-8
更新日期:2014-04-01 00:00:00
abstract::Neurons are extremely polarised cells in which the cytoskeleton, composed of microtubules, microfilaments and neurofilaments, plays a crucial role in maintaining structure and function. Neurofilaments, the 10-nm intermediate filaments of neurons, provide structure and mechanoresistance but also provide a scaffolding f...
journal_title:Cell and tissue research
pub_type: 杂志文章,评审
doi:10.1007/s00441-014-2082-7
更新日期:2015-06-01 00:00:00
abstract::Because leucokinins stimulate diuresis in some insects, we wished to identify the neurosecretory cells in Manduca sexta that might be a source of leucokinin-like neurohormones. Immunostaining was done at various stages of development, using an antiserum to leucokinin IV. Bilateral pairs of neurosecretory cells in abdo...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00331367
更新日期:1994-12-01 00:00:00
abstract::Based on its proven anabolic effects on bone in osteoporosis patients, recombinant parathyroid hormone (PTH(1-34)) has been evaluated as a potential therapy for skeletal repair. In animals, the effect of PTH(1-34) has been investigated in various skeletal repair models such as fractures, allografting, spinal arthrodes...
journal_title:Cell and tissue research
pub_type: 杂志文章,评审
doi:10.1007/s00441-011-1188-4
更新日期:2012-03-01 00:00:00
abstract::In the intestine of the filtering zooids of B. schlosseri three segments can be distinguished. In the intermediate segment the epithelium, which is encrusted by the ampullae of the pyloric gland, shows marked aspects of alteration. In the proximal and distal segments, ciliated mucous, vacuolated and endocrine-like cel...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00219771
更新日期:1977-08-26 00:00:00
abstract::CYCLE (CYC) and CLOCK (CLK) are transcriptional activators of the circadian clock genes, period (per) and timeless (tim), binding at E-boxes of their upstream regulatory region in Drosophila. CYC-like and CLK-like immunohistochemical reactivities (CYC-ir and CLK-ir) were investigated in the ground cricket, Allonemobiu...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-007-0534-z
更新日期:2008-02-01 00:00:00
abstract::The effect of phenylthiourea (PTU) on the pigment epithelium and the photoreceptor cells in the developing retina of Haplochromis burtoni was studied by electron microscopy. In the retinal pigment epithelium of 6-day old embryos, both types of melanin granule (spindle-shaped and rod-shaped) are already found. PTU inhi...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00219054
更新日期:1977-03-09 00:00:00
abstract::The antigen detected by the rat anti-mouse monoclonal antibody (m Ab), anti-BSP-3, has been initially described as a brain cell-surface protein. Evidence is presented that this m Ab recognizes mouse (Na+ + K+)-ATPase (ATP phosphohydrolase, E.C.3.6.1.3). The antigen, purified from mouse brain by means of affinity chrom...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00218655
更新日期:1983-01-01 00:00:00
abstract::The bursa of Fabricius of the chicken is known to be both a primary lymphoid organ and a secondary lymphoid tissue. Bursal follicles are equipped with antigen-trapping follicle-associated epithelium. However, bioactive antigens such as protein and bacteria have not been detected in the bursal parenchyma. By immunopero...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-013-1701-z
更新日期:2013-12-01 00:00:00
abstract::Microfold (M) cells in the follicle-associated epithelium (FAE) of Peyer's patches contribute to the mucosal immune response by the transcytosis of microorganisms. The mechanism by which M cells take up microorganisms, and the functional proteins by which they do this, are not clear. In order to explore one such prote...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-015-2342-1
更新日期:2016-06-01 00:00:00
abstract::The existence of a neural crest cell migration pathway from occipital levels of the hindbrain into the heart was suspected in mammalian embryos because it had previously been identified in avian embryos and because the Di George anomaly, an association between craniofacial and cardiac malformations, is most easily exp...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00338048
更新日期:1992-04-01 00:00:00
abstract::An ultrastructural study of the rostral pars distalis of the pituitary of Aphanius dispar specimens taken from freshwater or hypersaline marshes revealed significant structural differences which indicate higher activity of the prolactin cells in the hypotonic medium. Prolactin cells from freshwater specimens had large...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00221103
更新日期:1977-04-20 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::Using anti-carp-gonadotropic-gamma-globulin, the indirect immunofluorescence technique was applied to sections of the pituitary of 12 teleost species. From the investigated species, the Poeciliinae, and especially the black molly, showed a distinct localization of fluorescent cells in the mesoadenohypophysis. Strong f...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00224328
更新日期:1976-03-16 00:00:00
abstract::The spatial localisation of insulin-like growth-factor-binding protein-2 (IGFBP-2) and its mRNA was investigated during larval and post-larval developmental stages of the gilthead seabream ( Sparus aurata) by immunohistochemistry and in situ hybridisation with specific antisera and riboprobes. During larval developmen...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s00441-004-0952-0
更新日期:2005-01-01 00:00:00
abstract::In early postnatal rats, immunoreactive LHRH perikarya in the preoptic area were studied by light and electron microscopy. Synaptic junctions were found between the immunoreactive perikaryon or its process, and the immunonegative nerve fibers. The significance of these synapses is discussed in relation to possible mec...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00216754
更新日期:1981-01-01 00:00:00
abstract::The objectives of these studies were to determine if (1) hypertrophy-stimulated myogenic regulatory factor (MRF) mRNA increases occur in the absence of proliferating satellite cells, and (2) acute hypertrophy occurs without satellite cell proliferation. Adult and aged quails were exposed to 0 or 2500 Rads gamma irradi...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/s004410051314
更新日期:1999-06-01 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::The attachment of the body of the snail Lymnaea stagnalis to the shell was studied by histochemistry and light and electron microscopy. Muscles of the body wall insert into the connective tissue by way of long thin projections of sarcolemma. The muscle cells end under the basement membrane of a specialised area of the...
journal_title:Cell and tissue research
pub_type: 杂志文章
doi:10.1007/BF00224663
更新日期:1976-08-26 00:00:00