Cell membrane integrity and revascularization: The possible functional mechanism of ischemic preconditioning for skeletal muscle protection against ischemic-reperfusion injury. 2017

Yang Hong, and Bin Zhang, and Ling Yu, and Shan-Shan Duan
Department of Orthopedics, Shanghai No.5 Hospital, Fudan University, Shanghai 200240, China. Electronic address: yang_hong741@163.com.

BACKGROUND The purpose of this paper was to evaluate whether ischemic preconditioning (IPC) could make protective effects against skeletal muscle injuries induced by ischemic-reperfusion (I/R). METHODS Eighteen rats were randomly divided into three groups of 6 subjects each: control group, I/R group, and IPC group. Thigh root ischemia of rats in the I/R group was induced by 3h ischemia and 24h reperfusion. IPC was applied by 3 periods of 15min ischemia/15min reperfusion prior to ischemia. Morphological changes in skeletal muscle cells induced by I/R and IPC were observed by hematoxylin and eosin (HE) staining and electron microscopy. In addition, angiogenesis was evaluated by immunolabeling of CD31. RESULTS IPC could prevented morphological alternations induced by ischemia, including myofilament, cell membrane, cell matrix, nucleus, mitochondria, and sarcoplasmic reticulum damage in skeletal muscle cells. The CD31 immunolabeling showed that neovascularization was observed in the IPC group but not in the I/R group. IPC could protect skeletal muscle cells from necrosis, apoptosis, and morphological damages induced by I/R injury. CONCLUSIONS Revascularization may play a key role in the mechanism underlying the protective effects of IPC in vivo.

UI MeSH Term Description Entries
D008297 Male Males
D002462 Cell Membrane The lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic and eukaryotic cells. Plasma Membrane,Cytoplasmic Membrane,Cell Membranes,Cytoplasmic Membranes,Membrane, Cell,Membrane, Cytoplasmic,Membrane, Plasma,Membranes, Cell,Membranes, Cytoplasmic,Membranes, Plasma,Plasma Membranes
D005455 Fluorescent Antibody Technique Test for tissue antigen using either a direct method, by conjugation of antibody with fluorescent dye (FLUORESCENT ANTIBODY TECHNIQUE, DIRECT) or an indirect method, by formation of antigen-antibody complex which is then labeled with fluorescein-conjugated anti-immunoglobulin antibody (FLUORESCENT ANTIBODY TECHNIQUE, INDIRECT). The tissue is then examined by fluorescence microscopy. Antinuclear Antibody Test, Fluorescent,Coon's Technique,Fluorescent Antinuclear Antibody Test,Fluorescent Protein Tracing,Immunofluorescence Technique,Coon's Technic,Fluorescent Antibody Technic,Immunofluorescence,Immunofluorescence Technic,Antibody Technic, Fluorescent,Antibody Technics, Fluorescent,Antibody Technique, Fluorescent,Antibody Techniques, Fluorescent,Coon Technic,Coon Technique,Coons Technic,Coons Technique,Fluorescent Antibody Technics,Fluorescent Antibody Techniques,Fluorescent Protein Tracings,Immunofluorescence Technics,Immunofluorescence Techniques,Protein Tracing, Fluorescent,Protein Tracings, Fluorescent,Technic, Coon's,Technic, Fluorescent Antibody,Technic, Immunofluorescence,Technics, Fluorescent Antibody,Technics, Immunofluorescence,Technique, Coon's,Technique, Fluorescent Antibody,Technique, Immunofluorescence,Techniques, Fluorescent Antibody,Techniques, Immunofluorescence,Tracing, Fluorescent Protein,Tracings, Fluorescent Protein
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
D015427 Reperfusion Injury Adverse functional, metabolic, or structural changes in tissues that result from the restoration of blood flow to the tissue (REPERFUSION) following ISCHEMIA. Ischemia-Reperfusion Injury,Injury, Ischemia-Reperfusion,Injury, Reperfusion,Reperfusion Damage,Damage, Reperfusion,Injury, Ischemia Reperfusion,Ischemia Reperfusion Injury,Ischemia-Reperfusion Injuries,Reperfusion Damages,Reperfusion Injuries
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
D019194 Ischemic Preconditioning A technique in which tissue is rendered resistant to the deleterious effects of prolonged ISCHEMIA and REPERFUSION by prior exposure to brief, repeated periods of vascular occlusion. (Am J Physiol 1995 May;268(5 Pt 2):H2063-7, Abstract) Ischemic Pre-Conditioning,Ischemic Pre Conditioning,Pre-Conditioning, Ischemic,Preconditioning, Ischemic
D019408 Platelet Endothelial Cell Adhesion Molecule-1 A cell adhesion molecule, composed of a series of Ig-like domains, and expressed on virtually all MONOCYTES; PLATELETS; and GRANULOCYTES. PECAM-1 is highly expressed on endothelial cells and concentrated at the junctions between them. It is essential for TRANSENDOTHELIAL MIGRATION of leukocytes and removal of apoptotic cells by PHAGOCYTES. Antigens, CD31,CD31 Antigens,PECAM-1,CD31 Antigen,Antigen, CD31,Platelet Endothelial Cell Adhesion Molecule 1

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