Abstract:
:The fine structure of pituicytes was investigated between 15 days of fetal life and 120 days postnatum. Prior to the penetration of neurosecretory axons into the neural lobe a uniform population of undifferentiated pituicytes is presented. Coincidental with the first appearance of neurosecretory axons in the neural lobe at 16 1/2 days of fetal life is the beginning differentiation of those pituicytes into two varieties, an active and an inactive one. The active variety predominates and has all of the morphologic characteristics of an active secretory cell, especially during axonal growth in the neural lobe; between 16 1/2 days and birth most of the undifferentiated pituicytes have differentiated into active pituicytes. The inactive variety is rarely encountered before birth; the classification as an inactive cell is based on the lack of organelles involved in secretion. After adult conditions are reached between 25 and 30 days postnatum, the active pituicytes continue to prevail in the neural lobe, although they are less active than in the developmental period as judged by morphologic criteria. The inactive pituicytes increase in number with increasing age. In addition to the pituicytes two other cells are described, microglial cells and a cell whose exact nature remains to be determined.
journal_name
Dev Neuroscijournal_title
Developmental neuroscienceauthors
Dellmann HD,Sikora Kdoi
10.1159/000112744subject
Has Abstractpub_date
1981-01-01 00:00:00pages
89-97issue
2eissn
0378-5866issn
1421-9859journal_volume
4pub_type
杂志文章abstract::Schizophrenia is a chronic and debilitating mental illness characterized by a broad range of abnormal behaviors, including delusions and hallucinations, impaired cognitive function, as well as mood disturbances and social withdrawal. Due to the heterogeneous nature of the disease, the causes of schizophrenia are very ...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000346157
更新日期:2013-01-01 00:00:00
abstract::Ethanol inhibition of L1-mediated cell adhesion may contribute to the spectrum of neurological, behavioral and morphological abnormalities associated with prenatal ethanol exposure. We showed previously that the neuroprotective peptides NAPVSIPQ (NAP) and SALLRSIPA (SAL) antagonize ethanol inhibition of L1 adhesion an...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000084528
更新日期:2005-01-01 00:00:00
abstract::Neuroprotective cold-shock proteins (CSPs) are abundant in the normothermic neonatal rodent brain but decrease with advancing neurodevelopmental age and are low or absent in the adult brain. It has not been established if neurodevelopmental age alters the baseline expression of CSPs in the human brain. Here, we tested...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000493637
更新日期:2018-01-01 00:00:00
abstract::Cell polarity is one of the most basic properties of all normal cells and loss of polarity is a hallmark of cancer. While multiple proteins have been implicated in the maintenance of cell polarity, the functionally related neoplastic tumor suppressors Lethal giant larvae (Lgl), Scribble and Disks large comprise a uniq...
journal_title:Developmental neuroscience
pub_type: 杂志文章,评审
doi:10.1159/000090749
更新日期:2006-01-01 00:00:00
abstract::L-Ornithine decarboxylase (ODC), the rate-limiting enzyme of polyamine biosynthesis and thus a unique marker of the proliferation and maturation processes, has been localized by means of immunohistochemistry in the human central nervous system. The enzyme protein has not only been found in the developing nervous syste...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000111320
更新日期:1993-01-01 00:00:00
abstract::Adult GM2 gangliosidosis is a rare autosomal recessive disease with widely varying neurological and psychiatric manifestations. It is caused by marked deficiency, but not total absence, of beta-hexosaminidase (Hex) A, due to a single base change in the alpha-subunit gene of Hex, resulting in a substitution of Ser for ...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000112200
更新日期:1991-01-01 00:00:00
abstract::Perinatal hypoxic ischemic (HI) brain injury is a leading cause of long-term neurological handicap in newborn babies. Recently, excessive activity of matrix metalloproteinases (MMPs), and in particular MMP-9, has been implicated in the aetiology of HI injuries to the immature brain. Our previous study suggested that M...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000343257
更新日期:2012-01-01 00:00:00
abstract::α-Synuclein is one of the most abundant proteins in presynaptic terminals. Normal expression of α-synuclein is essential for neuronal survival and it prevents the initiation of apoptosis in neurons through covalent cross-linking of cytochrome c released from mitochondria. Exocytosis of α-synuclein occurs with neuronal...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000321342
更新日期:2010-01-01 00:00:00
abstract::We studied the developmental changes of soluble and membrane-bound protein kinases (EC 2.7.1.37) in rat brain and found that the elution profiles from a DEAE-cellulose column by NaCl of adenosine-3':5'-monophosphate (cyclic AMP) dependent protein kinase from cytosol were not significantly different in newborn (0.19 M ...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000112450
更新日期:1979-01-01 00:00:00
abstract::Pediatric traumatic brain injury is a significant problem that affects many children each year. Progress is being made in developing neuroprotective strategies to combat these injuries. However, investigators are a long way from therapies to fully preserve injured neurons and glia. To restore neurological function, re...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000367784
更新日期:2015-01-01 00:00:00
abstract::The postnatal development of the complexes of the electron transport chain in mitochondria isolated from rat brain synaptosomes was investigated. Synaptosomal brain mitochondria were isolated from rats aged 10-60 days, and the activities of mitochondrial complex I, complex II-III, complex IV and complex V were measure...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000111289
更新日期:1995-01-01 00:00:00
abstract::Neurite outgrowth is dependent on the presence in neurites of assembled microtubules which consist of polymerized tubulin to which microtubule-associated proteins (MAPs) are bound. This study adds to previous evidence of the similarity between the high molecular weight MAPs, MAP1X, MAP1B and MAP5, and explains the dif...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000111318
更新日期:1993-01-01 00:00:00
abstract::The myelin-associated glycoprotein (MAG) is a 100 K-dalton, integral membrane glycoprotein containing 30% carbohydrate that is in central and peripheral myelin sheaths. Recent research on its function during normal myelinogenesis and possible roles in the pathology of demyelinating diseases is reviewed. Emphasis is pl...
journal_title:Developmental neuroscience
pub_type: 杂志文章,评审
doi:10.1159/000112356
更新日期:1983-01-01 00:00:00
abstract::Oligodendrocyte precursor cells (OPCs) originate in multiple restricted regions of the developing central nervous system (CNS). Here, we focus on morphological changes of oligodendrocyte lineage cells and their cellular dynamics including cell motility and proliferation. Morphological studies with molecular markers fo...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000048718
更新日期:2001-01-01 00:00:00
abstract::Neuron-specific enolase (NSE) is a unique form of the glycolytic enzyme, enolase, which, in the brain, is strictly localized in differentiated neurons and neuroendocrine cells. In this report evidence is presented that NSE is first seen in the cell bodies of developing chick auditory and vestibular neurons shortly aft...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000112689
更新日期:1982-01-01 00:00:00
abstract::Fragments of corpus callosum from P13 normal and jimpy (jp) mutant mice (containing only postmigrating precursors and differentiated oligodendrocytes (ODCs, some of them myelinating soon) have been transplanted into the thalamus of newborn shiverer (shi) mutant mice. The behaviour of transplanted ODCs has been assayed...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000111654
更新日期:1992-01-01 00:00:00
abstract::Astrocytes in primary cultures constitute an exceedingly useful preparation for studies of astroglial development and function. These cells, however, demonstrate a pronounced plasticity in their reactions to culturing conditions. Thus, species and spatiotemporal region of CNS chosen for source of cells, dissociation p...
journal_title:Developmental neuroscience
pub_type: 杂志文章,评审
doi:10.1159/000112295
更新日期:1985-01-01 00:00:00
abstract::The auditory system of the cricket has the unusual ability to respond to deafferentation by compensatory growth and synapse formation. Auditory interneurons such as ascending neuron 2 (AN-2) in the cricket Gryllus bimaculatus possess a dendritic arbor that normally grows up to, but not over, the midline of the prothor...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000322887
更新日期:2011-01-01 00:00:00
abstract::We have shown that the developmentally regulated appearance of the two myelin-associated glycoprotein (MAG) polypeptides in normal mouse brain myelin does not reflect the developmental pattern of differential splicing of primary gene transcripts as determined earlier by RNase protection assays. Contrary to expectation...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000111857
更新日期:1990-01-01 00:00:00
abstract::In the development of an integrated approach to study metabolic compartmentation and regulation in brain, we have emphasized the importance, versatility, and need to exploit the recent methodological advances in (1) NMR spectroscopy, (2) primary cultures of neurons and glial cells, and (3) subcellular fractionation (e...
journal_title:Developmental neuroscience
pub_type: 杂志文章,评审
doi:10.1159/000111334
更新日期:1993-01-01 00:00:00
abstract::The norepinephrine content of hypothalamus in vehicle-treated control rats gradually increases between days 16 and 45 of life. Norepinephrine contents of the hypothalamus and mesencephalon of the thyroxine-treated (10 microgram/g b.w., s.c., days 8-10) animals also increase between days 16 and 21. Mesencephalic and hy...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000112377
更新日期:1980-01-01 00:00:00
abstract::The hippocampal formation is a multicomponent region of the medial temporal lobe preferentially involved in declarative and relational memory processing. Behavioral studies have suggested a protracted functional maturation of these structures in primates, and postnatal developmental abnormalities in the hippocampal fo...
journal_title:Developmental neuroscience
pub_type: 杂志文章,评审
doi:10.1159/000096222
更新日期:2007-01-01 00:00:00
abstract::Evidence from retroviral marking techniques and immortalized cell lines indicates that multipotential stem cells exist in many areas of the developing central nervous system. However, the factors that influence the commitment of these stem cells into distinct neuronal or glial lineages are not known. We have created a...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000111301
更新日期:1995-01-01 00:00:00
abstract::The Notch signaling pathway is important at several stages of retinal development including the differentiation of retinal ganglion cells and Muller glia. The downstream effectors of Notch signaling, Hes1 and Hes5, have been shown to be critical in the retina as well. While Notch activity directly regulates Hes1 and H...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000090759
更新日期:2006-01-01 00:00:00
abstract::Maternal inflammation has been linked to neurodevelopmental and neuropsychiatric disorders such as cerebral palsy, schizophrenia, and autism. We had previously shown that intrauterine inflammation resulted in a decrease in serotonin, one of the tryptophan metabolites, and a decrease in serotonin fibers in the sensory ...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000471509
更新日期:2017-01-01 00:00:00
abstract::Using Western blot and immunocytochemistry to detect protein, and in situ hybridization and Northern blot to detect RNA, we studied the expression of Na,K-ATPase subunit isoforms in cultured astrocytes and oligodendrocytes in vitro, and in glial cells in the brain. We found that astrocytes in culture express alpha 1 a...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000111422
更新日期:1996-01-01 00:00:00
abstract::Quaking is a neurological mutation leading to pleiotropic phenotypic expression, the most prominent being disturbed myelin formation in the central nervous system (CNS) with minor abnormalities in the peripheral nervous system. Previous immunochemical measurements of glial fibrillary acidic protein (GFAP) revealed a m...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000111682
更新日期:1992-01-01 00:00:00
abstract::The L-type calcium channel activator +/-Bay K 8644 has recently been shown to provoke self-injurious biting in young mice. Since the serotonergic systems have been implicated in the expression of self-injurious behavior in both humans and animals, the present studies tested whether drugs influencing serotonin systems ...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000066747
更新日期:2002-01-01 00:00:00
abstract::Neuroblastoma is a childhood cancer caused by the transformation of sympathoadrenal progenitors. By following the formation of tumors in homozygous TH-MYCN mice, an established mouse model of neuroblastoma, we were able to capture transformed cells prior to the formation of large, vascularized tumors in order to deter...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000365281
更新日期:2014-01-01 00:00:00
abstract::There is pressing need to employ new advances in structural MR brain imaging to better diagnose brain damage in newborn infants. Timely application of such technology will enable improved therapeutic interventions. Diffusion-weighted sequences are a sensitive marker of very early neuronal injury, the spatial pattern o...
journal_title:Developmental neuroscience
pub_type: 杂志文章
doi:10.1159/000085988
更新日期:2005-03-01 00:00:00