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Influence of the 4G/5G PAI-1 genotype on angiotensin II
Influence of the 4G/5G PAI-1 genotype on angiotensin II

... stimuli such as IL-1 and VLDL induced PAI-1 synthesis in cells containing the 4G sequence [13,16], this effect being explained through the binding of a transcriptional activator to both 4G and 5G alleles, while the 5G allele also binds a transcriptional repressor [13]. Whereas Ang II causes the rele ...
CE - University of Pittsburgh
CE - University of Pittsburgh

... LDL membrane receptor • Found in clathrin coated pits (endocytosis) • After endocytosis the receptor is recycled whilst the LDL is degraded to releasing lipid cargo. Cholesterol uptake down regulates the cells own production of cholesterol and down regulates LDL receptor synthesis • Mutations in LD ...
as Adobe PDF - Edinburgh Research Explorer
as Adobe PDF - Edinburgh Research Explorer

... In a surface view of the differentiation zone of a root, emerging root hair bulges are highly fluorescent. This is seen as fluorescent patches and ring structures on the less fluorescent background of the root surface (Fig. 1A). The corresponding brightfield picture can be seen in Figure 1B. At high ...
The PINK1 p.I368N mutation affects protein stability and ubiquitin
The PINK1 p.I368N mutation affects protein stability and ubiquitin

... direct a complex regulated, sequential mitochondrial quality control. Thereby, damaged mitochondria are identified and targeted to degradation in order to prevent their accumulation and eventually cell death. Homozygous or compound heterozygous loss of either gene function disrupts this protective p ...
Direct redox modulation of p53 protein: potential sources of redox
Direct redox modulation of p53 protein: potential sources of redox

... protein can be divided roughly into three distinct domains based on function. All regulatory post-translational ...
Cationic albumin-conjugated pegylated nanoparticles as novel drug
Cationic albumin-conjugated pegylated nanoparticles as novel drug

Interaction with Autologous Platelets Multiplies Interleukin
Interaction with Autologous Platelets Multiplies Interleukin

... demonstrate that thrombin-activated platelets, but not thrombin alone, augment the production of IL-la and TNF-a by PBMC stimulated by LPS at low concentrations. Platelets not treated with thrombin, activated 25%-30% for P-selectin expression, enhanced IL-la production 6- to 14-fold and TNF-a produc ...
NCAM Polypeptides in Heart Development: Association with Z Discs
NCAM Polypeptides in Heart Development: Association with Z Discs

... their binding initiates (Takeichi, 1990; Edelman and Crossin, 1991; Hynes, 1992; Damsky and Werb, 1992; Juliano and Haskill, 1993). There are many stages in early heart development when changes in the expression or function of cell-cell adhesion molecules (CAMs) ~ may mediate or sta- ...
Biology - BIOL - Auburn University Bulletin
Biology - BIOL - Auburn University Bulletin

... from a selected area of biological sciences. One hour is required for all majors. Course may be repeated for a maximum of 3 credit hours. BIOL 4967 HONORS SPECIAL PROBLEMS (1-3) LEC. Pr. Honors College Departmental approval and membership in the Honor College. Course may be repeated for a maximum of ...
Arabidopsis HAP2 (GCS1) is a sperm-specific gene
Arabidopsis HAP2 (GCS1) is a sperm-specific gene

... Northern blotting was performed on 20 g of total pollen RNA probed with HAP2 cDNA. RT-PCR was performed on 1 g total pollen RNA using the HAP2 primers F, 5-TTAATGGCTTGTATACTCGCCGG-3 and R, 5ACGAAGGCAATGCGCGGTATTTGCC-3, and EF-1 controls F, 5GCCCCTTCGTCTCCCACTTC-3 and R, 5-CACTTCGCACCCTTCTT ...
Correction: Mice humanised for the EGF receptor
Correction: Mice humanised for the EGF receptor

... rearrangements and overexpression of the Egfr gene have been shown to occur at high frequency in human squamous cell carcinomas and glioblastomas (Olayioye et al., 2000; Yarden, 2001). The first in vivo evidence for a direct involvement of the EGFR in epithelial tumour development stems from the ana ...
Hao Shi1*, Florian Gatzke2, Julia M. Molle
Hao Shi1*, Florian Gatzke2, Julia M. Molle

...

Impaired Muscle Regeneration in MKP1/5DKO Mice
  We have shown that MKP-1-deficient mice are inhibited in their ability to undergo regenerative myogenesis[8]. In contrast, MKP-5-deficient mice exhibit an enhanced regenerative capacity

patterning mechanisms controlling vertebrate limb development
patterning mechanisms controlling vertebrate limb development

... of patterning mechanisms that appear to be conserved during evolution. In the case of the vertebrate limb, a primordium (the limb bud) appears at specific locations in the developing embryo (Figure 1A), positioned by combinations of factors that provide positional cues. Later on, the limb bud, which ...
Hao Shisup>1*sup>, Florian Gatzkesup>2sup>, Julia M. Molle
Hao Shisup>1*sup>, Florian Gatzkesup>2sup>, Julia M. Molle

... muscle (Figure 1G). MKP1/5-DKO mice following injury had much higher numbers of small-sized myofibers as compared with wild type injured mice (Figure 1G). In addition, both myofiber crosssectional area and the number of myofibers with greater than 2 or more nuclei were significantly reduced in regen ...
Responses of plant vascular systems to auxin transport
Responses of plant vascular systems to auxin transport

... One peculiarity of vascular tissue induction by IAA is that it occurs in a linear manner: locally applied IAA induces a new vascular strand extending basally from the site of application (Sachs, 1991). The observation is intriguing in three respects: first, the differentiation occurs along a narrow ...
Cbp3–Cbp6 interacts with the yeast mitochondrial ribosomal tunnel
Cbp3–Cbp6 interacts with the yeast mitochondrial ribosomal tunnel

... as a docking site for a variety of biogenesis factors. This is well documented in bacteria (Kramer et al., 2009). The interactors of the tunnel exit of bacterial ribosomes can be classified into three different groups, namely (1) processing enzymes like ...
The secreted cell signal Folded Gastrulation regulates glial
The secreted cell signal Folded Gastrulation regulates glial

... During gastrulation in Drosophila, ventral cells change shape, undergoing synchronous apical constriction, to create the ventral furrow (VF). This process is affected in mutant embryos lacking zygotic function of the folded gastrulation (fog) gene, which encodes a putative secreted protein. Fog is a ...
Autophagy Contributes to Leaf Starch DegradationC
Autophagy Contributes to Leaf Starch DegradationC

... and organelles (Klionsky and Emr, 2000). Three types of autophagy have been defined: macroautophagy, microautophagy, and chaperone-mediated autophagy (Massey et al., 2004). Macroautophagy (referred to hereafter as autophagy), the major type of autophagy, occurs when cytoplasmic constituents are engul ...
Plakoglobin domains that define its association with the
Plakoglobin domains that define its association with the

... intermediate filament cytoskeleton. A short stretch of 37 amino acids in the C terminus of desmocollin-1 was recently shown by Troyanovsky et al. (1994a) to be necessary for it to associate with plakoglobin and to recruit intermediate filaments to the plasma membrane. Using similar experiments, they ...
NUBBIN and JAGGED define stamen and carpel
NUBBIN and JAGGED define stamen and carpel

... development, NUB is initially expressed in cell layers of both abaxial and adaxial halves (Fig. 1G), it then becomes restricted to the adaxial cell layers at stage 7 (Fig. 1H,I). NUB expression can also be seen on the adaxial side of initiating ovule primordia (Fig. 1J). In summary, NUB expression i ...
neural crest specification: migrating into genomics
neural crest specification: migrating into genomics

... the neural crest-forming region14,41, whereas blocking Slug and/or Snail function inhibits neural crest specification42,46 and migration46–48. The targets of Slug/Snail during premigratory neural crest development are not known. However, Slug and Snail have been shown to regulate EPITHELIAL–MESENCHY ...
Intracellular control of developmental and regenerative axon growth
Intracellular control of developmental and regenerative axon growth

... robust axon growth from sensory neurons by activating their corresponding receptors (TrkA, TrkC). Brainderived neurotrophic factor (BDNF) promotes axon growth from RGCs and hippocampal neurons via its receptor TrkB. It is important to emphasize that although neurotrophins have spectacular axon growt ...
Autophagy Contributes to Leaf Starch DegradationC
Autophagy Contributes to Leaf Starch DegradationC

... and organelles (Klionsky and Emr, 2000). Three types of autophagy have been defined: macroautophagy, microautophagy, and chaperone-mediated autophagy (Massey et al., 2004). Macroautophagy (referred to hereafter as autophagy), the major type of autophagy, occurs when cytoplasmic constituents are engul ...
Autophagy Contributes to Leaf Starch DegradationC
Autophagy Contributes to Leaf Starch DegradationC

... and organelles (Klionsky and Emr, 2000). Three types of autophagy have been defined: macroautophagy, microautophagy, and chaperone-mediated autophagy (Massey et al., 2004). Macroautophagy (referred to hereafter as autophagy), the major type of autophagy, occurs when cytoplasmic constituents are engul ...
PKC modulates NF-B and AP-1 via mitogen
PKC modulates NF-B and AP-1 via mitogen

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Amitosis

Amitosis (a- + mitosis) is absence of mitosis, the usual form of cell division in the cells of eukaryotes. There are several senses in which eukaryotic cells can be amitotic. One refers to capability for non-mitotic division and the other refers to lack of capability for division. In one sense of the word, which is now mostly obsolete, amitosis is cell division in eukaryotic cells that happens without the usual features of mitosis as seen on microscopy, namely, without nuclear envelope breakdown and without formation of mitotic spindle and condensed chromosomes as far as microscopy can detect. However, most examples of cell division formerly thought to belong to this supposedly ""non-mitotic"" class, such as the division of unicellular eukaryotes, are today recognized as belonging to a class of mitosis called closed mitosis. A spectrum of mitotic activity can be categorized as open, semi-closed, and closed mitosis, depending on the fate of the nuclear envelope. An exception is the division of ciliate macronucleus, which is not mitotic, and the reference to this process as amitosis may be the only legitimate use of the ""non-mitotic division"" sense of the term today. In animals and plants which normally have open mitosis, the microscopic picture described in the 19th century as amitosis most likely corresponded to apoptosis, a process of programmed cell death associated with fragmentation of the nucleus and cytoplasm. Relatedly, even in the late 19th century cytologists mentioned that in larger life forms, amitosis is a ""forerunner of degeneration"".Another sense of amitotic refers to cells of certain tissues that are usually no longer capable of mitosis once the organism has matured into adulthood. In humans this is true of various muscle and nerve tissue types; if the existing ones are damaged, they cannot be replaced with new ones of equal capability. For example, cardiac muscle destroyed by heart attack and nerves destroyed by piercing trauma usually cannot regenerate. In contrast, skin cells are capable of mitosis throughout adulthood; old skin cells that die and slough off are replaced with new ones. Human liver tissue also has a sort of dormant regenerative ability; it is usually not needed or expressed but can be elicited if needed.
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