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Histological examinations of the in vivo biocompatibility of oxycellulose implanted into rat skeletal muscle. 2019

Christiane Kunert-Keil, and Isabel Narath, and Jakub Hadzik, and Tomasz Gedrange, and Tomasz Gredes, and Marzena Dominiak
Department of Orthodontics, Carl Gustav Carus Campus, Technische Universität Dresden, Germany.

BACKGROUND Recently it was shown that oxycellulose suppressed bone regeneration led to an accumulation of connective tissue as well as foam cells in bone defects. OBJECTIVE Since oxycellulose can be used as a hemostatic agent in general and dental surgery, the aim of the study was to examine muscle tissue response to implanted oxidized cellulose. METHODS RESO-Cell® (Resorba Wundversorgung GmbH, Nuremberg, Germany) standard was implanted in the latissimus dorsi of 20 rats; subsequently, 12 samples were processed for histological evaluation after 4 and 8 weeks. The remaining 8 samples were processed for mRNA expression analyses of gene-encoding growth factors and collagens using quantitative reverse transcription polymerase chain reaction (RT-qPCR). RESULTS Muscle tissue exposed to oxycellulose showed elevated mRNA levels of COL1A1 compared to untreated muscle tissue. The histological analysis revealed that no undegraded oxycellulose was detectable after as little as 4 weeks. Furthermore, a strong accumulation of CD68-positive foam cells was found in the treated area. CONCLUSIONS In conclusion, the study has shown that oxidized cellulose can cause an inflammatory response after this material is implanted in skeletal muscle. Therefore, it is not recommended to leave this material in the body over a long period. However, it could be used as auxiliary material in the treatment of periodontal defects.

UI MeSH Term Description Entries
D001861 Bone Regeneration Renewal or repair of lost bone tissue. It excludes BONY CALLUS formed after BONE FRACTURES but not yet replaced by hard bone. Osteoconduction,Bone Regenerations,Regeneration, Bone,Regenerations, Bone
D002483 Cellulose, Oxidized A cellulose of varied carboxyl content retaining the fibrous structure. It is commonly used as a local hemostatic and as a matrix for normal blood coagulation. Absorbable Cellulose,Carboxycellulose,Cellulosic Acid,Oxycel,Oxycellulose,Cellulose, Absorbable,Oxidized Cellulose
D003094 Collagen A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH). Avicon,Avitene,Collagen Felt,Collagen Fleece,Collagenfleece,Collastat,Dermodress,Microfibril Collagen Hemostat,Pangen,Zyderm,alpha-Collagen,Collagen Hemostat, Microfibril,alpha Collagen
D005858 Germany A country in central Europe, bordering the Baltic Sea and the North Sea, between the Netherlands and Poland, south of Denmark. The capital is Berlin.
D006490 Hemostatics Agents acting to arrest the flow of blood. Absorbable hemostatics arrest bleeding either by the formation of an artificial clot or by providing a mechanical matrix that facilitates clotting when applied directly to the bleeding surface. These agents function more at the capillary level and are not effective at stemming arterial or venous bleeding under any significant intravascular pressure. Antihemorrhagic,Hemostatic,Antihemorrhagics
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus
D018482 Muscle, Skeletal A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles. Anterior Tibial Muscle,Gastrocnemius Muscle,Muscle, Voluntary,Plantaris Muscle,Skeletal Muscle,Soleus Muscle,Muscle, Anterior Tibial,Muscle, Gastrocnemius,Muscle, Plantaris,Muscle, Soleus,Muscles, Skeletal,Muscles, Voluntary,Skeletal Muscles,Tibial Muscle, Anterior,Voluntary Muscle,Voluntary Muscles

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