Results 251 to 260 of about 6,520,444 (304)
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Bone-Cell-Stimulating Substance
Clinical Orthopaedics and Related Research, 1988An acid-pepsin extract of ground cancellous calf bone contains a bone-cell-stimulating substance (BCSS) that is active in the intact rat and in bone cultures. A single injection of a suspension of BCSS adjacent to the radius-ulna complex of a rat significantly increased appositional bone formation in a dose-dependent manner.
I, Clark +3 more
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Cell stimulation by haemopoietic lymphokines
Immunology Letters, 1987Haemopoietic cells appear to respond to two distinct classes of growth factors, cell-bound molecules and lymphokines. Stimulation by lymphokines can be modelled by IL-3-dependent cell lines, and evidence is presented that such stimulation may represent a novel system of cell signalling unrelated to those where stimulation is a progression from a ...
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Magnetomechanical stimulation of mesenchymal cells
Journal of Inorganic Biochemistry, 1995The method presented in this article for the mechanical stimulation of cells via specific receptors was adapted from the method of Wang and Ingber.1,2 Unlike most current methods which apply strain to the cell as a whole, our method is able to determine the specific receptors involved in stress transduction.
Susanne Bierbaum, Holger Notbohm
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Stimulation of Schwann cells by infrared pulsed stimulation
Optical Techniques in Neurosurgery, Neurophotonics, and Optogenetics, 2021Schwann cells are the most abundant glial cell in the peripheral nervous system. Apart from their important role on axonal myelination they exert a key role on the regulation of axonal excitability and metabolism, nerve repair, immunological response and pain sensation.
Ana I. Borrachero-Conejo +4 more
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Thrombin Stimulation of Renal Cells
Seminars in Thrombosis and Hemostasis, 1996Numerous glomerular and vascular nephritides are associated with fibrin formation and deposition within the kidney. Thrombin, which induces fibrin formation, also exerts numerous cellular effects on both circulating cells and intrinsic glomerular cells through the activation of the functional thrombin receptor.
E, Rondeau +3 more
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Ovarian Stimulation and Granulosa-Cell Tumour
Obstetrical & Gynecological Survey, 1993Ovarian stimulation in the treatment of infertility is far from physiological because patients and their ovaries are exposed to high concentrations of gonadotropins. Many studies have focused on the two most common side-effects of ovarian stimulation--ie, hyperstimulation and multiple pregnancy. We describe 12 patients in whom granulosa-cell tumour was
W, Willemsen +4 more
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British Journal of Haematology, 1979
Summary. The sensitivity of populations of human granulocyte precursors to factors with colony stimulating activity (CSA) was assessed in agar culture in vitro. The mean threshold of stimulation was estimated by analysis of dose‐response curves of clone growth against concentration of CSA.
G E, Francis +3 more
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Summary. The sensitivity of populations of human granulocyte precursors to factors with colony stimulating activity (CSA) was assessed in agar culture in vitro. The mean threshold of stimulation was estimated by analysis of dose‐response curves of clone growth against concentration of CSA.
G E, Francis +3 more
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American Journal of Anatomy, 1972
AbstractThe fine structure of testicular interstitial cells from mice submitted to different experimental conditions is described. Following treatment with methallibure (I.C.I. 33,828; 1‐α‐methylallylthiocarbamoyl‐2‐methylthiocarbamoylhydrazine), a selective inhibitor of hypophyseal gonadotropic activity, interstitial cells acquire a quiescent ...
A, Aoki, E M, Massa
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AbstractThe fine structure of testicular interstitial cells from mice submitted to different experimental conditions is described. Following treatment with methallibure (I.C.I. 33,828; 1‐α‐methylallylthiocarbamoyl‐2‐methylthiocarbamoylhydrazine), a selective inhibitor of hypophyseal gonadotropic activity, interstitial cells acquire a quiescent ...
A, Aoki, E M, Massa
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Transmission of hormonal stimulation by cell-to-cell communication
Nature, 1978Rat ovarian granulosa cells and mouse myocardial cells respond to cell-specific hormones by cyclic AMP-dependent mechanisms. In coculture, these heterologous cells communicate by means of gap junctions. Exposure of the cocultures to a hormone specific for one cell type causes the heterologous cells to respond through a cell contact-dependent mechanism.
T S, Lawrence, W H, Beers, N B, Gilula
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Cell Response to Surface Stimulation
Nature New Biology, 1972It has been known for some time that in normal cells growing in culture a relationship exists between cell density and mitotic index1. At a certain saturation density contact inhibition of growth occurs2–4; DNA synthesis decreases and cell division ceases or is drastically reduced.
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