58 results on '"Acker, Helmut"'
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2. Artificial Neural Network Analysis of Prefrontal fnirs Blood Oxygenation Recordings
3. Carotid body physiology meets cytochrome c oxidase crystallography Commentary to Ortega-Sáenz P, López-Barneo J. Physiology of the Carotid Body: From Molecules to Disease. Annu Rev Physiol 82: 127–149, 2020. Torres-Torrelo H, Ortega-Sáenz P, Gao L, López-Barneo J. Lactate sensing mechanisms in arterial chemoreceptor cells. Nat Commun 12: 4166, 2021
4. Measurement of ROS Levels and Membrane Potential Dynamics in the Intact Carotid Body Ex Vivo
5. Carotid body type I cells engage flavoprotein and Pin1 for oxygen sensing
6. Deciphering the Oxygen Sensing Pathway by Microscopy
7. An Unusual Cytochrome a592 with Low PO2 Affinity correlates with Afferent Discharge in the Carotid Body
8. PO2 Affinities, Heme Proteins, and Reactive Oxygen Intermediates Involved in Intracellular Signal Cascades for Sensing Oxygen
9. Acupuncture–brain interactions as hypothesized by mood scale recordings
10. Extracellular pH Responses to Different Stimuli in the Superfused Cat Carotid Body
11. Involvement of Intracellular Reactive Oxygen Species in the Control of Gene Expression by Oxygen
12. Embryonic Stem Cells as a Model for the Physiological Analysis of the Cardiovascular System
13. Multifocal animated imaging of changes in cellular oxygen and calcium concentrations and membrane potential within the intact adult mouse carotid body ex vivo
14. ELECTRO-PHYSIOLOGICAL MEASUREMENTS IN CULTURED CELLULAR SPHEROIDS
15. Two-Photon Imaging of Cellular Activities in Oxygen Sensing Tissues
16. Single- and two-photon spectral imaging of intrinsic fluorescence of transformed human hepatocytes
17. Optical analysis of the HIF‐1 complex in living cells by FRET and FRAP
18. The oxygen sensing signal cascade under the influence of reactive oxygen species
19. The expression of the NADPH oxidase subunit p22phox is regulated by a redox-sensitive pathway in endothelial cells
20. Cellular oxygen sensing need in CNS function: physiological and pathological implications
21. NCB5OR Is a Novel Soluble NAD(P)H Reductase Localized in the Endoplasmic Reticulum
22. A Fenton reaction at the endoplasmic reticulum is involved in the redox control of hypoxia-inducible gene expression
23. The Antimalaria Agent Artemisinin Exerts Antiangiogenic Effects in Mouse Embryonic Stem Cell-Derived Embryoid Bodies
24. Intracellular localisation of human HIF-1α hydroxylases:implications for oxygen sensing
25. Regulation of the multidrug resistance transporter P‐glycoprotein in multicellular tumor spheroids by hypoxia‐inducible factor‐1 and reactive oxygen species
26. Reactive oxygen species modulate HIF-1 mediated PAI-1 expression: involvement of the GTPase Rac1
27. Hypoxia-inducible erythropoietin gene expression in human neuroblastoma cells
28. Unusual cytochrome a592with low PO2affinity correlates as putative oxygen sensor with rat carotid body chemoreceptor discharge
29. Tissue oxygen sensor function of NADPH oxidase isoforms, an unusual cytochrome aa3 and reactive oxygen species
30. Tumor-induced angiogenesis studied in confrontation cultures of multicellular tumor spheroids and embryoid bodies grown from pluripotent embryonic stem cells
31. Tumor‐induced angiogenesis studied in confrontation cultures of multicellular tumor spheroids and embryoid bodies grown from pluripotent embryonic stem cells
32. VEGF production, cell proliferation and apoptosis of human IGR 1 melanoma cells under nIFN‐α/β and rIFN‐γ treatment
33. Oxygen Radicals as Messengers in Oxygen-Dependent Gene Expression
34. Three-Dimensional Organization of Microtubules in Tumor Cells Studied by Confocal Laser Scanning Microscopy and Computer-Assisted Deconvolution and Image Reconstruction
35. Chemoreceptor discharges and cytochrome redox changes of the rat carotid body: Role of heme ligands
36. Oxygen tension modulates β‐globin switching in embryoid bodies
37. Involvement of a local Fenton reaction in the reciprocal modulation by O2 of the glucagon-dependent activation of the phosphoenolpyruvate carboxykinase gene and the insulin-dependent activation of the glucokinase gene in rat hepatocytes
38. The influence of nickel and cobalt on putative members of the oxygen-sensing pathway of erythropoietin-producing HepG2 cells
39. Rac1, and not Rac2, is involved in the regulation of the intracellular hydrogen peroxide level in HepG2 cells
40. Doxorubicin distribution in multicellular prostate cancer spheroids evaluated by confocal laser scanning microscopy and the ?optical probe technique?
41. Tomography of Cells by Confocal Laser Scanning Microscopy and Computer-assisted Three-dimensional Image Reconstruction: Localization of Cathepsin B in Tumor Cells Penetrating Collagen Gels In Vitro
42. Cytochrome b 558 and hydrogen peroxide production in small intensely fluorescent cells of sympathetic ganglia
43. Cobalt chloride and desferrioxamine antagonize the inhibition of erythropoietin production by reactive oxygen species
44. Cobalt and desferrioxamine reveal crucial members of the oxygen sensing pathway in HepG2 cells
45. Retention and processing of the monoclonal anti-prostate E4 antibody after binding to prostatic adenocarcinoma DU 145 cells
46. Quantitative recording of vitality patterns in living multicellular spheroids by confocal microscopy
47. pO2- and pH-gradients in multicellular spheroids and their relationship to cellular metabolism and radiation sensitivity of malignant human tumor cells
48. Cellular Oxygen Sensors
49. Influence of the oxygen pressure in the culture medium on the oxygenation of different types of multicellular spheroids
50. Das glomus caroticum ein modell, um die chemoreception zu verstehen
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