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  • Cell & Developmental Biology  (8)
  • Anaerobic glycolysis  (2)
  • Cytogenetics  (2)
  • Hyperplasia  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Design of the mammalian respiratory system. II. Measuring maximum aerobic capacity
    Amsterdam : Elsevier
    Respiration Physiology 44 (1981), S. 11-23 
    Details
    ISSN: 0034-5687
    Keywords: Allometry ; Anaerobic glycolysis ; Cold exposure ; Exercise ; Lactate ; Oxygen consumption
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0034-5687(81)90074-8
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Design of the mammalian respiratory system. III. Scaling maximum aerobic capacity to body mass: Wild and domestic mammals
    Amsterdam : Elsevier
    Respiration Physiology 44 (1981), S. 25-37 
    Details
    ISSN: 0034-5687
    Keywords: African mammals ; Allometry ; Anaerobic glycolysis ; Oxygen consumption
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0034-5687(81)90075-X
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Contribution of immunophenotypic and genotypic analyses to the diagnosis of acute leukemia (1995)
    Springer
    Annals of hematology 71 (1995), S. 13-27 
    Details
    ISSN: 1432-0584
    Keywords: Acute leukemia ; Diagnosis ; Immunophenotypic ; Cytogenetics ; Molecular genetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Diagnostic accuracy in acute leukemia (AL) can be improved if traditional morphology and cytochemistry are supplemented with immunophenotypic and genotypic analyses. This multiparameter approach is of crucial importance for the management of patients, as it enables the identification of leukemic syndromes with distinct biological features and response to treatment. Immunophenotyping using monoclonal antibodies has been universally accepted as a useful adjunct to morphological criteria. This technique is particularly valuable in diagnosing and subclassifying acute lymphoblastic leukemia and is also essential in certain types of acute myeloid leukemia (AML), such as AML with minimal differentiation or acute megakaryoblastic leukemia. Cytogenetic findings can be quite helpful in establishing the correct diagnosis and can add information of prognostic significance. A number of specific chromosomal abnormalities have been recognized that are very closely, and sometimes uniquely, associated with morphologically and clinically distinct subsets of leukemia. An even more basic understanding of normal and malignant hematopoietic cells has begun to evolve as molecular biology begins to unravel gene misprogramming by Southern and Northern blot analysis, the polymerase chain reaction, and fluorescence in situ hybridization. With the extensive use of these techniques it has become apparent that a proportion of leukemias exhibit the biologically relevant molecular defect in the absence of a karyotypic equivalent. On the other hand, apparently uniform chromosomal abnormalities such as the t(1;19) (q23;p13), t(9;22) (q33;q11), t(8;14) (q24;q32), or t(15;17) (q21;q21) may differ at the molecular level. Data collected from these modern technologies have introduced a greater complexity, which needs to be taken into consideration to improve both the diagnostic precision and the reproducibility of current classifications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01696228
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Contribution of immunophenotypic and genotypic analyses to the diagnosis of acute leukemia (1995)
    Springer
    Annals of hematology 71 (1995), S. 13-27 
    Details
    ISSN: 1432-0584
    Keywords: Key words Acute leukemia ; Diagnosis ; Immunophenotypic ; Cytogenetics ; Molecular genetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Diagnostic accuracy in acute leukemia (AL) can be improved if traditional morphology and cytochemistry are supplemented with immunophenotypic and genotypic analyses. This multiparameter approach is of crucial importance for the management of patients, as it enables the identification of leukemic syndromes with distinct biological features and response to treatment. Immunophenotyping using monoclonal antibodies has been universally accepted as a useful adjunct to morphological criteria. This technique is particularly valuable in diagnosing and subclassifying acute lymphoblastic leukemia and is also essential in certain types of acute myeloid leukemia (AML), such as AML with minimal differentiation or acute megakaryoblastic leukemia. Cytogenetic findings can be quite helpful in establishing the correct diagnosis and can add information of prognostic significance. A number of specific chromosomal abnormalities have been recognized that are very closely, and sometimes uniquely, associated with morphologically and clinically distinct subsets of leukemia. An even more basic understanding of normal and malignant hematopoietic cells has begun to evolve as molecular biology begins to unravel gene misprogramming by Southern and Northern blot analysis, the polymerase chain reaction, and fluorescence in situ hybridization. With the extensive use of these techniques it has become apparent that a proportion of leukemias exhibit the biologically relevant molecular defect in the absence of a karyotypic equivalent. On the other hand, apparently uniform chromosomal abnormalities such as the t(1;19) (q23;p13), t(9;22) (q33;q11), t(8;14) (q24;q32), or t(15;17) (q21;q21) may differ at the molecular level. Data collected from these modern technologies have introduced a greater complexity, which needs to be taken into consideration to improve both the diagnostic precision and the reproducibility of current classifications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01696228
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Comparison of differentiation patterns in 12-O-tetradecanoylphorbol-13-acetate-treated epidermis and fetal epidermis (1985)
    Springer
    Archives of dermatological research 277 (1985), S. 457-465 
    Details
    ISSN: 1432-069X
    Keywords: Epidermis ; Hyperplasia ; TPA ; Stereology ; Morphometry ; Tumor promotors
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 12-O-Tetradecanoylphorbol-13-acetate (TPA)-treated adult epidermis as well as untreated fetal and adult epidermis were investigated to elucidate the effect of TPA in terms of cell differentiation using techniques of ultrastructural stereology. Twenty-four hours after a single application of TPA, the treated epidermis was characterized by involutional changes, i. e., increased volume density of intercellular spaces and of mitochondria, vacuoles, and cytoplasmic ground substance in the basal layer. However, 48 h after application, the TPA-treated epidermis was very similar to fetal epidermis, i. e., high volume density of nuclei ribosomes, rough endoplasmic reticulum, membrane-coating granules, and keratohyalin granules, and low volume density of bundled filaments in the upper layers. These stereological data indicate that the changes observed 48 h after TPA treatment were related not only to increased cell proliferation but also to inhibition of cell differentiation expressed as a reversion of the adult differentiation patterns and the acquisition of fetal characteristics in all epidermal layers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00510063
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Evidence of fibre hyperplasia in human skeletal muscles from healthy young men? (1991)
    Springer
    European journal of applied physiology 62 (1991), S. 301-304 
    Details
    ISSN: 1439-6327
    Keywords: Muscle ; Muscle fibres ; Histocytochemistry ; Hyperplasia ; Handedness
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Cross-sections (thickness 10 μm) of whole autopsied left and right anterior tibialis muscles of seven young previously healthy right-handed men (mean age 23 years, range 18–32 years) were prepared for light-microscope enzyme histochemistry. Muscle cross-sectional area and total number of fibres, mean fibre size (indirectly determined) and proportion of the different fibre types (type 1 and type 2 on basis of myofibrillar adenosine triphosphatase characteristics), in each muscle cross-section were determined. The analysis showed that the cross-sectional area of the left muscle was significantly larger (P〈0.05), and the total number of fibres was significantly higher (P〈0.05), than for the corresponding right muscle. There was no significant difference for the mean fibre size or the proportion of the two fibre types. The results imply that long-term asymmetrical low-level daily demands on muscles of the left and the right lower leg in right-handed individuals provide enough stimuli to induce an enlargement of the muscles on the left side, and that this enlargement is due to an increase in the number of muscle fibres (fibre hyperplasia). Calculations based on the data also explain why the underlying process of hyperplasia is difficult, or even impossible, to detect in standard muscle biopsies.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00634963
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Nuclear reorganization in resting cysts of Colpoda duodenaria (1941)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 68 (1941), S. 197-213 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1050680111
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Distribution of fiber types in locomotory muscles of dogs (1982)
    New York, NY [u.a.] : Wiley-Blackwell
    American Journal of Anatomy 163 (1982), S. 87-98 
    Details
    ISSN: 0002-9106
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The distribution of Type I and Type II fibers, as determined from histochemical estimation of myofibrillar ATPase activity, was studied within and among the locomotory muscles of the forelimb, trunk, and hindlimb of three mongrel dogs. All Type II fibers had high oxidative capacities as estimated from the histochemical assay for reduced nicotinamide adenine dinucleotide tetrazolium reductase, so they were not further divided into subpopulations. Furthermore, Type I and Type II fibers had similar oxidative potentials as indicated by both histochemistry and biochemistry.Type I fiber populations ranged between 14% and 100% in the muscles sampled. The highest percentages of Type I fibers were found in deep muscles of physiological extensor groups in the arm and thigh that serve to resist gravity (antigravity muscles) when the dog is in the quadrupedal standing position. More superficial muscles in these same groups had fewer Type I fibers. The patterns of Type I fiber distribution among muscles in the antigravity groups of the forearm and leg were the opposite of those in the arm and thigh, with the more superficial muscles of the distal limb segments having more Type I fibers than the deeper muscles. In all limb segments, muscle groups that do not serve to resist gravity did not show as much intermuscular variation. Type I fiber populations in these muscles did not exceed 50%. A stratification of fiber types also existed within muscles, both in extensor and flexor groups, with the deeper portions of the muscles having more Type I fibers than the more superficial portions.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aja.1001630107
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Oxonol dyes as monitors of membrane potential: The effect of viruses and toxins on the plasma membrane potential of animal cells in monolayer culture and in suspension (1985)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 123 (1985), S. 326-336 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: Optical indicators of the cationic, cyanine and anionic oxonol classes were used to evaluate the plasma membrane potential of animal cells in suspension and in monolayer culture. The optical signals were calibrated by using diffusion potential either of K+ (in the presence of valinomycin) or of H+ (in the presence of carbonyl cyanide p-trifluoromethoxyphenylhydrazone; FCCP); both classes of dye gave similar values of plasma membrane potential, in the range -40 to -90 mV for different cell types. Addition of haemolytic Sendai virus or Staphylococcus aureus α-toxin depolarizes cells and causes them to leak monovalent cations; these effects are antagonized by extracellular Ca2+. Cells infected with vesicular stomatitis or Semliki Forest virus become depolarized during an infectious cycle; infection with other viruses was without affect on plasma membrane potential.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041230306
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  • 10
    Electronic Resource
    Electronic Resource
    Effects of a given x-ray dose on cysts of Colpoda steini at successive stages of their induced excystment (1936)
    Philadelphia : Wiley-Blackwell
    Journal of Cellular and Comparative Physiology 9 (1936), S. 105-116 
    Details
    ISSN: 0095-9898
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1030090110
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