The effect of vitamin A on limb regeneration in Rana temporaria.

abstract：:Only a subset of cleavage stage blastomeres in the Xenopus embryo is competent to contribute cells to the retina; ventral vegetal blastomeres do not form retina even when provided with neuralizing factors or transplanted to the most retinogenic position of the embryo. These results suggest that endogenous maternal fac...

journal_title：Developmental biology

authors： Yan B,Moody SA

更新日期：2007-05-01 00:00:00

abstract：:Eye cups from stage 14-28 (E2 to E5) chick and quail embryos consisting of neural retina, lens, and vitreous body were cultured for 1 or 2 days. These eyes expanded by proliferation of the retinal cells and the surface areas of the retinae increased several-fold. The area covered by ganglion cells and axons also expan...

journal_title：Developmental biology

authors： Halfter W,Deiss S

更新日期：1986-04-01 00:00:00

abstract：:Chick embryonic heart cell isolates and monolayer cultures were prepared from atria and ventricles at selected stages of cardiac development. The cardiac myocytes were assayed for myosin heavy chain (MHC) content using monoclonal antibodies (McAbs) specific in the heart for atrial (B-1), ventricular (ALD-19), or condu...

journal_title：Developmental biology

authors： Zadeh BJ,González-Sánchez A,Fischman DA,Bader DM

更新日期：1986-05-01 00:00:00

abstract：:The subdivision of the developing field by region-specific expression of genes encoding transcription factors is an essential step during appendage development in arthropod and vertebrates. In Drosophila leg development, the distal-most region (pretarsus) is specified by the expression of homeobox genes, aristaless an...

journal_title：Developmental biology

authors： Kojima T,Tsuji T,Saigo K

更新日期：2005-03-15 00:00:00

abstract：:During endochondral bone formation, vascular invasion initiates the replacement of avascular cartilage by bone. We demonstrate herein that the cartilage-specific overexpression of VEGF-A(164) in mice results in the hypervascularization of soft connective tissues away from cartilage. Unexpectedly, perichondrial tissue ...

journal_title：Developmental biology

authors： Takimoto A,Nishizaki Y,Hiraki Y,Shukunami C

更新日期：2009-08-15 00:00:00

abstract：:teashirt (tsh) encodes a zinc-finger protein that is thought to be part of a network that contributes to regionalization of the Drosophila embryo and establishes the domains of Hox protein function. tsh and the Hox gene Sex combs reduced (Scr) are essential to establish the identity of the first thoracic segment. We u...

journal_title：Developmental biology

authors： Taghli-Lamallem O,Gallet A,Leroy F,Malapert P,Vola C,Kerridge S,Fasano L

更新日期：2007-07-01 00:00:00

abstract：:The location and distribution of neural crest-derived Schwann cells during development of the peripheral nerves of chick forelimbs were examined using chick-quail chimeras. Neural crest cells were labeled by transplantation of the dorsal part of the neural tube from a quail donor to a chick host at levels of the neura...

journal_title：Developmental biology

authors： Carpenter EM,Hollyday M

更新日期：1992-03-01 00:00:00

abstract：:The iris sphincter muscle consists of striated muscle fibers in the adult chicken. The ontogenetic development of this muscle has been studied by immunocytochemistry, from Embryonic Day 7 to the time of hatching. The time course of expression of specific markers of either smooth or striated muscle, i.e., smooth and sk...

journal_title：Developmental biology

authors： Volpe P,Biral D,Pizzo P,Salviati G,Margreth A

更新日期：1993-10-01 00:00:00

abstract：:We have examined the expression of mRNAs encoding five major neurotransmitter-synthesizing enzymes in MAH cells, a clonal cell line derived by retroviral immortalization of a rat embryonic sympathoadrenal progenitor cell. These mRNAs include tyrosine hydroxylase (TH), choline acetyltransferase (ChAT), tryptophan hydro...

journal_title：Developmental biology

authors： Vandenbergh DJ,Mori N,Anderson DJ

更新日期：1991-11-01 00:00:00

abstract：:The polypeptide sequence predicted from the Pem oncofetal gene cDNA contains a homeodomain most closely related to the paired class. Pem, paired class member orthodenticle, and the bicoid maternal gene product homeodomains all have lysine residues at a recognition helix position implicated in DNA-binding specificity. ...

journal_title：Developmental biology

authors： Rayle RE

更新日期：1991-07-01 00:00:00

abstract：:Division of a female Drosophila stem cell produces a daughter stem cell and a cystoblast. The cystoblast produces a syncytial cluster of 16 cells by precisely four mitotic divisions and incomplete cytokinesis. Mutations in genes required for cystoblast differentiation, such as bag-of-marbles, block syncytial cluster f...

journal_title：Developmental biology

authors： Lavoie CA,Ohlstein B,McKearin DM

更新日期：1999-08-15 00:00:00

abstract：:Myoblast fusion (a critical process by which muscles grow) occurs in a multi-step fashion that requires actin and membrane remodeling; but important questions remain regarding the spatial/temporal regulation of and interrelationship between these processes. We recently reported that the Rho-GAP, GRAF1, was particularl...

journal_title：Developmental biology

authors： Lenhart KC,Becherer AL,Li J,Xiao X,McNally EM,Mack CP,Taylor JM

更新日期：2014-09-15 00:00:00

abstract：:Neurons and glia are produced in stereotyped patterns after neuroblast cell division during development of the Drosophila central nervous system. The first cell division of thoracic neuroblast 6-4 (NB6-4T) is asymmetric, giving rise to a glial precursor cell and a neuronal precursor cell. In contrast, abdominal NB6-4 ...

journal_title：Developmental biology

authors： Akiyama-Oda Y,Hotta Y,Tsukita S,Oda H

更新日期：2000-06-15 00:00:00

abstract：:Gene transcription mediates many vital aspects of mammalian embryonic development. A comprehensive characterization and analysis of the dynamics of gene transcription in the embryo is therefore likely to provide significant insights into the basic mechanisms of this process. We used microarrays to map transcription in...

journal_title：Developmental biology

authors： Wagner RA,Tabibiazar R,Liao A,Quertermous T

更新日期：2005-12-15 00:00:00

abstract：:Developmental pattern formation allows cells within a tissue or organ to coordinate their development and establish cell types in relationship to one another. To better characterize the developmental patterning events within one organ, the C. elegans hindgut, we have analyzed the expression pattern of several genes us...

journal_title：Developmental biology

authors： Sewell ST,Zhang G,Uttam A,Chamberlin HM

更新日期：2003-10-01 00:00:00

abstract：:Transgenic mice expressing stabilized beta-catenin in neural progenitors develop enlarged brains resulting from increased progenitor expansion. To more precisely define beta-catenin regulation of progenitor fate, we employed a conditional transgenic approach to delete the beta-catenin regulatory domain from neural pro...

journal_title：Developmental biology

authors： Wrobel CN,Mutch CA,Swaminathan S,Taketo MM,Chenn A

更新日期：2007-09-15 00:00:00

abstract：:All metazoan genomes encode multiple RAS GTPase activating proteins (RasGAPs) that negatively regulate the conserved RAS/MAPK signaling pathway. In mammals, several RasGAPs exhibit tumor suppressor activity by preventing excess RAS signal transduction. We have identified gap-3 as the to date missing Caenorhabditiseleg...

journal_title：Developmental biology

authors： Stetak A,Gutierrez P,Hajnal A

更新日期：2008-11-15 00:00:00

abstract：:Midline defects account for approximately 5% of congenital abnormalities observed at birth. However, the molecular mechanisms underlying the formation of the ventral body wall are not well understood. Recent studies linked mutations in Porcupine-an O-acetyl transferase mediating Wnt ligand acylation-with defects in th...

journal_title：Developmental biology

authors： Snowball J,Ambalavanan M,Cornett B,Lang R,Whitsett J,Sinner D

更新日期：2015-05-15 00:00:00

abstract：:Spermatogenesis is initiated by the interaction of germ cells and somatic cells in seminiferous tubules. We used cDNA microarrays and representational difference analysis to identify genes that are expressed in the testis of the jsd/jsd mutant mouse, which contains only type A spermatogonial germ cells and Sertoli cel...

journal_title：Developmental biology

authors： Tanaka K,Tamura H,Tanaka H,Katoh M,Futamata Y,Seki N,Nishimune Y,Hara T

更新日期：2002-06-15 00:00:00

abstract：:The levels of al-1 and al-2 transcripts change dramatically in response to light and development during the formation of Neurospora crassa asexual spores (conidia). al-1 and al-2 mRNAs accumulate throughout conidiation irrespective of lighting conditions initially at low levels. As conidiation proceeds, two increases ...

journal_title：Developmental biology

authors： Li C,Schmidhauser TJ

更新日期：1995-05-01 00:00:00

abstract：:Mitogen-activated protein kinases (MAPKs) are important regulators of many cellular processes. In mammalian testes, these kinases are involved in controlling cell division, differentiation, survival and death, and are therefore critical to spermatogenesis. Recent studies have also illustrated their involvement in junc...

journal_title：Developmental biology

authors： Wong CH,Cheng CY

更新日期：2005-10-01 00:00:00

abstract：:Previous studies suggest that sensory innervation of muscles is patterned by motor innervation. Muscle afferent projections mirror motor projections after various experimental manipulations and muscle afferents fail to project to muscle in the absence of motoneurons. It is not known, however, whether muscle afferents ...

journal_title：Developmental biology

authors： Wang G,Scott SA

更新日期：1997-06-01 00:00:00

abstract：:The colonial tunicate Botrylloides leachi can regenerate functional adults from minute vasculature fragments, in a poorly understood phenomenon termed Whole Body Regeneration (WBR). Using Piwi expression (Bl-Piwi), blood cell labeling and electron microscopy, we show that WBR develops through activation, mobilization ...

journal_title：Developmental biology

authors： Rinkevich Y,Rosner A,Rabinowitz C,Lapidot Z,Moiseeva E,Rinkevich B

更新日期：2010-09-01 00:00:00

abstract：:BMP-2 and BMP-4 are known to be involved in the early events which specify the cardiac lineage. Their later patterns of expression in the developing mouse and chick heart, in the myocardium overlying the atrioventricular canal (AV) and outflow tract (OFT) cushions, also suggest that they may play a role in valvoseptal...

journal_title：Developmental biology

authors： Allen SP,Bogardi JP,Barlow AJ,Mir SA,Qayyum SR,Verbeek FJ,Anderson RH,Francis-West PH,Brown NA,Richardson MK

更新日期：2001-07-01 00:00:00

abstract：:The ancestral state of animal gastrulation and its bearing for our understanding of bilaterian evolution still is one of the most controversially discussed topics in the field of evolutionary and developmental biology. One hypothesis, the so-called amphistomy scenario, suggests the presence of a slit-like blastopore i...

journal_title：Developmental biology

authors： Janssen R,Budd GE

更新日期：2017-07-01 00:00:00

abstract：:Retinal stem cells (RSCs) exist as rare pigmented ciliary epithelial cells in adult mammalian eyes. We hypothesized that RSCs are at the top of the retinal cell lineage. Thus, genes expressed early in embryonic development to establish the retinal field in forebrain neuroectoderm may play important roles in RSCs. Pax6...

journal_title：Developmental biology

authors： Xu S,Sunderland ME,Coles BL,Kam A,Holowacz T,Ashery-Padan R,Marquardt T,McInnes RR,van der Kooy D

更新日期：2007-04-15 00:00:00

abstract：:The term "transdifferentiation" has been used to describe the apparent phenotypic conversion of chick embryo neural retina Müller glial cells into lens-like cells in vitro. This phenotypic conversion is characterized by expression of such lens-specific proteins as delta crystallin and has been viewed as an example of ...

journal_title：Developmental biology

authors： Linser PJ,Irvin CK

更新日期：1987-06-01 00:00:00

abstract：:Stimulation of epithelial cell cycling by the neuropeptide head activator was analyzed in Hydra magnipapillata and compared with the action of head activator on bud formation and tentacle formation during head regeneration. The results obtained indicate that head activator treatment stimulates epithelial cell division...

journal_title：Developmental biology

authors： Hobmayer B,Holstein TW,David CN

更新日期：1997-03-01 00:00:00

abstract：:Cranial nerves VII, IX and X provide both gustatory (taste) and non-gustatory (touch, pain, temperature) innervation to the oral cavity of vertebrates. Gustatory neurons innervate taste buds and project centrally to the rostral nucleus of the solitary tract (NTS), whereas neurons providing general epithelial innervati...

journal_title：Developmental biology

authors： Harlow DE,Barlow LA

更新日期：2007-10-15 00:00:00

abstract：:Because the formation of a mature nerve terminal requires the accumulation of large quantities of synaptic vesicles, the expression of synaptic vesicle proteins would be expected to correlate with synaptogenesis. However, previous studies have provided conflicting evidence on this point. We have examined the developme...

journal_title：Developmental biology

authors： Lou X,Bixby JL

更新日期：1993-09-01 00:00:00