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  • 1
    ISSN: 1433-0385
    Keywords: Schlüsselwörter: Gentherapie ; Knochen ; Fraktur ; Wachstumsfaktoren. ; Keywords: Gene therapy ; Bone ; Fracture ; Growth factors.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract. Gene therapy in orthopedic surgery is a new technic based on the idea of biological tissue healing. External gene segments are transferred to cells that overexpress growth factors locally to achieve this effect. The influence of growth factors on fracture healing is very well documented in the literature. Experimental data demonstrate that defect healing in bone can be accelerated by the application of different cytokines in vivo. Gene transfer is a promising, new technic of in situ tissue engineering that will enter clinics within the next decade.
    Notes: Zusammenfassung. Gentherapie in der Orthopädischen Chirurgie ist eine neue Technik, die auf der Idee basiert, die biologische Gewebeheilung zu unterstützen. Um dies zu erreichen, werden externe Gensegmente auf Zellen transferiert, die in Folge vermehrt Wachstumsfaktoren im Bereich der Fraktur produzieren. Die Wirkung von Wachstumsfaktoren auf die Frakturheilung ist gut dokumentiert. Die bislang durchgeführten tierexperimentellen Studien demonstrieren eine gute Beeinflussbarkeit der knöchernen Defektheilung. Der Gentransfer kann als eine neue erfolgversprechende Technik des in situ Tissue Engineering angesehen werden, mit deren klinischer Anwendung in der nächsten Dekade gerechnet werden darf.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Knee surgery, sports traumatology, arthroscopy 8 (2000), S. 68-72 
    ISSN: 1433-7347
    Keywords: Key words Knee joint ; Free nerve ending type IVa ; Nociceptor ; Medial capsuloligamentous complex
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Sports Science
    Notes: Abstract Free nerve endings (FNEs) of type IVa play a distinctive role in the articular nociceptive and sensorimotor system of the knee. This study qualitatively and quantitatively analyzed FNEs in the medial and posteromedial capsuloligamentous complexes. Biopsy specimens from ten precisely defined anatomical locations were taken from seven fresh cadaver knee joints. The specimens were fixed with 4% formaldehyde solution and stained with hematoxylin-eosin. The results were examined using immunohistochemistry. The occurrence of FNEs is described in combination with their specific pattern of distribution. A high number of FNEs were found in all investigated elements with a maximum relative density in the insertion of the semimembranosus muscle in the direct attachment on the tibial margin. The number was lowest in the superficial medial collateral ligament. The results were correlated with anatomical and biomechanical functions of the stabilizing effect of the medial capsuloligamentous complex. Our findings indicate that lesions and surgical procedures can alter normal sensory feedback and coordination by modifying the use of muscle fiber during specific movements.
    Type of Medium: Electronic Resource
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