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  • 1
    Electronic Resource
    Electronic Resource
    Structure of the Osteopontin Gene and Its Promoter (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 760 (1995), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1995.tb44619.x
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of Recombinant Osteopontin on Adhesion and Migration of P388D1 Cells (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 760 (1995), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1995.tb44662.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Cytochemical and Immunohistochemical Localization of Superoxide Dismutase (SOD) in the Intima of Swine and Rat Aorta (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 598 (1990), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1990.tb42327.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Investigation of colonic prostaglandins in carcinogenesis in the rat colon (1991)
    Springer
    Diseases of the colon & rectum 34 (1991), S. 572-576 
    Details
    ISSN: 1530-0358
    Keywords: Prostaglandin ; Prostaglandin E 2 ; MNNG ; Colorectal carcinoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Large bowel carcinoma was induced in rats by injecting MNNG intrarectally, and changes in the large bowel mucosa prostaglandin (PG) with time were determined. The PGE2 levels of the colonic mucosa in a control group were 20.9±9.7 (pg/mg total protein) at 5 weeks, 25.5 ±9.7 at 10 weeks, 26.5±18.1 at 20 weeks, and 34.8±12.7 at 40 weeks. The PGE2 levels in the MNNG-treated group were 44.7±6.2 at 5 weeks, 43.1±14.9 at 10 weeks, 70.1±23.4 at 20 weeks, and 79.7±54.1 at 40 weeks. The intrinsic PGE2 levels of the noncancerous mucosa were thus significantly higher for the MNNG group than for the control group at all weeks. At 40 weeks, the PGE2 levels of cancer lesions were significantly high compared with those of the noncancerous area. In the cancerous lesions, 6-keto-PGF1α and PGF2α decreased and TXB2 increased significantly at 40 weeks. The observations demonstrated that PGE2 was implicated as a promoter in the development and proliferation of carcinoma in MNNG-induced large bowel carcinogenesis in rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02049897
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  • 5
    Electronic Resource
    Electronic Resource
    Detection by CT during arterial portography of colorectal cancer metastases to liver (1991)
    Springer
    Diseases of the colon & rectum 34 (1991), S. 37-40 
    Details
    ISSN: 1530-0358
    Keywords: CT during arterial portography (CT-AP) ; Liver metastases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A prospective evaluation of the accuracy of real-time ultrasonography (US), computed tomography (CT), infusion hepatic angiography (IHA), and computed tomography during arterial portography (CT-AP) was performed on 65 resected liver metastases of colorectal cancers. The total detection rate was 58.5 percent for US, 56.3 percent for CT, 554 percent for IHA, and 86.2 percent for CT-AP. The sensitivity of 29 lesions with diameters of smaller than 1 cm was 65.5 percent for CT-AP, CT found only two, and both US and IHA localized no more than three. The smallest lesions detectable by CT-AP were as small as 0.4 cm in diameter. CT-AP proved most useful in detecting the liver metastases, and the use of this techique is recommended for preoperative planning of hepatectomy on patients with liver metastases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02050204
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  • 6
    Electronic Resource
    Electronic Resource
    Clinical significance of tumor marker NCC-ST 439 in large bowel cancers (1991)
    Springer
    Diseases of the colon & rectum 34 (1991), S. 921-924 
    Details
    ISSN: 1530-0358
    Keywords: NCC-ST 439 ; CEA ; CA19-9 ; Tumor marker ; Colorectal cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We examined serum NCC-ST 439 for its significance as a tumor marker of large bowel cancer in 121 patients with primary and 36 with recurrent large bowel cancer. Serum NCC-ST 439 was positive in 27.3 percent of the former and 66.7 percent of the latter. It was false-positive in only 5.6 percent of patients with benign diseases. Positive serum NCC-ST 439 correlated with lymph node and liver metastases. The combination assay for NCC-ST 439, CEA, and CA19-9 was positive in 49.6 percent of the patients with primary tumors and 88.9 percent of those with recurrent tumors; in other words, the diagnostic accuracy improved. The results demonstrated that the determination of serum NCC-ST 439 in large bowel cancer might be useful in cancer staging and that NCC-ST 439, if used in combination with CEA, is particularly useful in diagnosing recurrences because of its improved diagnostic accuracy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02049709
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  • 7
    Electronic Resource
    Electronic Resource
    Inflammatory responses to ischemia, and reperfusion in skeletal muscle (1998)
    Springer
    Molecular and cellular biochemistry 179 (1998), S. 169-187 
    Details
    ISSN: 1573-4919
    Keywords: skeletal muscle ; kukocytes ; ischemia ; oxygen derived free radicals ; adhesion molecules ; endothelium ; inflammation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract Skeletal muscle ischemia and reperfusion is now recognized as one form of acute inflammation in which activated leukocytes play a key role. Although restoration of flow is essential in alleviating ischemic injury, reperfusion initiates a complex series of reactions which lead to neutrophil accumulation, microvascular barrier disruption, and edema formation. A large body of evidence exists which suggests that leukocyte adhesion to and emigration across postcapillary venules plays a crucial role in the genesis of reperfusion injury in skeletal muscle. Reactive oxygen species generated by xanthine oxidase and other enzymes promote the formation of proinflammatory stimuli, modify the expression of adhesion molecules on the surface of leukocytes and endothelial cells, and reduce the bioavailability of the potent antiadhesive agent nitric oxide. As a consequence of these events, leukocytes begin to form loose adhesive interactions with postcapillary venular endothelium (leukocyte rolling). If the proinflammatory stimulus is sufficient, leukocytes may become firmly adherent (stationary adhesion) to the venular endothelium. Those leukocytes which become firmly adherent may then diapedese into the perivascular space. The emigrated leukocytes induce parenchymal cell injury via a directed release of oxidants and hydrolytic enzymes. In addition, the emigrating leukocytes also exacerbate ischemic injury by disrupting the microvascular barrier during their egress across the vasculature. As a consequence of this increase in microvascular permeability, transcapillary fluid filtration is enhanced and edema results. The resultant increase in interstitial tissue pressure physically compresses the capillaries, thereby preventing microvascular perfusion and thus promoting the development of the no-reflow phenomenon. The purpose of this review is to summarize the available information regarding these mechanisms of skeletal muscle ischemia/reperfusion injury.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006832207864
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  • 8
    Electronic Resource
    Electronic Resource
    Occurrence of unusual tubular invaginations of the plasma membrane in smooth muscle cells of the lamprey, Lampetra japonica (1994)
    Springer
    Cell & tissue research 276 (1994), S. 51-59 
    Details
    ISSN: 1432-0878
    Keywords: Sarcolemma ; Surface tubules ; Smooth muscle ; Endothelial cells ; Fibroblasts ; Ultrastructure ; Lamprey, Lampetra japonica (Cyclostomata)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Numerous tubular structures were observed in the surface region of smooth muscle cells making up the vascular walls in the lamprey, Lampetra japonica; they were designated as surface tubules. The limiting membrane of the surface tubules was connected to the plasma membrane, allowing communication of the lumen of the tubule with the extracellular space. Tannic acid reacted with osmium, serving as an extracellular marker, penetrated into the tubules but not into the intracellular organelles, such as the endoplasmic reticulum and the Golgi complex. The surface tubules were grouped in longitudinal parallel rows, separated from each other by tubule-free areas where dense plaques were present. Each tubule was fairly cylindrical (approximately 60 nm in diameter) and often ramified into two or three branches with a blind end. Occasionally, these tubules were encircled by the sarcoplasmic reticulum which was located immediately beneath the plasma membrane. Similar tubules were also observed in the surface region of vascular endothelial cells and fibroblasts in the adventitial connective tissue. The possibility that the surface tubules in the present observations are analogous to the smooth muscle caveolae or the striated muscle T-tubule is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00354784
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  • 9
    Electronic Resource
    Electronic Resource
    Occurrence of unusual tubular invaginations of the plasma membrane in smooth muscle cells of the lamprey, Lampetra japonica (1994)
    Springer
    Cell & tissue research 276 (1994), S. 51-59 
    Details
    ISSN: 1432-0878
    Keywords: Key words: Sarcolemma – Surface tubules – Smooth muscle – Endothelial cells – Fibroblasts – Ultrastructure – Lamprey, Lampetra japonica (Cyclostomata)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. Numerous tubular structures were observed in the surface region of smooth muscle cells making up the vascular walls in the lamprey, Lampetra japonica; they were designated as surface tubules. The limiting membrane of the surface tubules was connected to the plasma membrane, allowing communication of the lumen of the tubule with the extracellular space. Tannic acid reacted with osmium, serving as an extracellular marker, penetrated into the tubules but not into the intracellular organelles, such as the endoplasmic reticulum and the Golgi complex. The surface tubules were grouped in longitudinal parallel rows, separated from each other by tubule-free areas where dense plaques were present. Each tubule was fairly cylindrical (approximately 60 nm in diameter) and often ramified into two or three branches with a blind end. Occasionally, these tubules were encircled by the sarcoplasmic reticulum which was located immediately beneath the plasma membrane. Similar tubules were also observed in the surface region of vascular endothelial cells and fibroblasts in the adventitial connective tissue. The possibility that the surface tubules in the present observations are analogous to the smooth muscle caveolae or the striated muscle T-tubule is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00354784
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Three-dimensional architecture of the tubular endocytic apparatus and paramembranous networks of the endoplasmic reticulum in the rat visceral yolk-sac endoderm (1994)
    Springer
    Cell & tissue research 278 (1994), S. 353-361 
    Details
    ISSN: 1432-0878
    Keywords: Yolk sac ; Tubular endosomes ; Smooth endoplasmic reticulum ; Ultrastructure ; Endocytosis ; Rat (Wistar)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The three-dimensional architecture of the tubular endocytic apparatus and the endoplasmic reticulum in the rat yolk-sac endoderm was investigated after loading with horseradish peroxidase-conjugated concanavalin A by intrauterine administration. After 30 min, small vesicles (50–150 nm in diameter), small tubules (80–100 nm in diameter) and large vacuoles (0.2–1.0 μm in diameter) in the apical cytoplasm were labeled with the tracer, but lysosomes (1.0–3.5 μm in diameter) in the supranuclear cytoplasm were not labeled until 60 min after loading. Stereo-viewing of the labeled small tubules in thick sections revealed that they were not isolated structures but formed three-dimensional anastomosing networks, which were also confirmed by scanning electron microscopy after maceration with diluted osmium tetroxide. Their earlier labeling with the endocytic tracer, localization in the apical cytoplasm and three-dimensional network formation indicated that the labeled small tubules represented tubular endosomes (tubular endocytic apparatus). These well-developed membranous networks provided by the tubular endosomes are suggested to facilitate the receptor-mediated endocytosis and transcytosis of the maternal immunoglobulin in the rat yolk-sac endoderm. Scanning electron microscopy further revealed lace-like networks of the smooth endoplasmic reticulum near the lateral plasma membrane. Their possible involvement in transport of small molecules or electrolytes is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00414178
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