Search results for: TNNI2 Antibody




Long noncoding RNA Neat1 modulates myogenesis by recruiting Ezh2.
Neat1 is widely expressed in many tissues and cells and exerts pro-proliferation effects on many cancer cells. However, little is known about the function of Neat1 in myogenesis. Here we characterized the roles of Neat1 in muscle cell formation and muscle regeneration. Gain- or loss-of-function studies in C2C12 cells demonstrated that Neat1 accelerates myoblast proliferation but suppresses myoblast differentiation and fusion. Further, knockdown of Neat1 in vivo increased the cross-sectional area of muscle fibers but impaired muscle regeneration. Mechanically, Neat1 physically interacted with Ezh2 mainly through the core binding region (1001-1540 bp) and recruited Ezh2 to target gene promoters. Neat1 promoted myoblast proliferation mainly by decreasing the expression of the cyclin-dependent kinase inhibitor P21 gene but inhibited myoblast differentiation by suppressing the transcription of myogenic marker genes, such as Myog, Myh4, and Tnni2. Altogether, we uncover a previously unknown function of Neat1 in muscle development and the molecular mechanism by which Neat1 regulates myogenesis.Shanshan Wang, Hao Zuo, Jianjun Jin, Wei Lv, Zaiyan Xu, Yonghui Fan, Jiali Zhang, Bo Zuo
1244 related Products with: Long noncoding RNA Neat1 modulates myogenesis by recruiting Ezh2.
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The Troponin-I fast skeletal muscle is reliable marker for the determination of vitality in the suicide hanging.
Troponin I (TnI) is the inhibitory subunit of the troponin complex in the sarcomeric thin filament of striated muscle and plays a central role in the calcium regulation of contraction and relaxation. Vertebrate TnI has evolved into three isoforms encoded by three homologous genes: TNNI1 for slow skeletal muscle TnI, TNNI2 for fast skeletal muscle TnI and TNNI3 for cardiac TnI, which are expressed under muscle type-specific and developmental regulations in both the atrium and ventricle of the heart. Skeletal muscle TnI (both sTnI iso-forms) have been proposed as a sensitive and fast fiber-specific serum marker of skeletal muscle damage; fsTnI concentration in increased peripheral blood when fast twitch fibers were damaged. In our study we investigate if the 'Troponin I, fast skeletal muscle' can also be used as a reliable diagnostic tool in forensic practice, to perform differential diagnosis about vitality in suicide by hanging and simulated hanging (suspension of the victim after murder). We selected 8 women and 13 men, mean age 52.2 years, who died from suicidal hanging. The ligature material used for hanging was soft material in 11 cases and hard material in 10 cases. We chose cases as a control group of adults (n = 10; six women, four men, mean age 47.3 years) that died from opioid overdose (n = 2), car accident (n = 3) and sudden cardiac death (n = 5). Those deaths were characterized by their rapidity. To test the Anti-Troponin I fast skeletal muscle Antibody (Abcam clone-134,838), we used a case of a subject who died of myocardial infarction (timing infarct dated to 24-36 h prior to death). The reactions to Troponin I (namely the amount and extent of marker depletion) was scored for each section from 0 to -3: 0 = no loss of staining; -1 = minimal decrease in staining, compared to normally stained tissue; -2 = clear decrease in staining with some positivity (brown color) remaining; and -3 = no positive (brown) staining. The set of results obtained leads us to believe that the use of this antibody (Anti-Troponin I fast skeletal muscle antibody) is very promising to be able to make a certain differential diagnosis between antemortem and postmortem hangings. It should be emphasized that the present study seems to open new and promising horizons in the possibility to discriminate between suicidal hanging and simulated hanging (suspension of the victim after murder).Alessandra De Matteis, Massimiliano dell'Aquila, Aniello Maiese, Paola Frati, Raffaele La Russa, Giorgio Bolino, Vittorio Fineschi
2759 related Products with: The Troponin-I fast skeletal muscle is reliable marker for the determination of vitality in the suicide hanging.
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Electrochemiluminescent immunoassay for rat skeletal troponin I (Tnni2) in serum.
The identification of xenobiotic-induced skeletal muscle toxicities through the detection of biomarkers in nonclinical studies can be useful early in the drug discovery process to aid in candidate drug decisions. Skeletal muscle troponin I (sTnI) has been identified as a potential marker of skeletal muscle injury in humans and animals. When skeletal muscle tissue is injured, sTnI is released into circulation.Deqin Sun, Diane Hamlin, Anthony Butterfield, David E Watson, Holly W Smith
2239 related Products with: Electrochemiluminescent immunoassay for rat skeletal troponin I (Tnni2) in serum.
96 rxns100 ml250 mg10ml100ml 100 G500 ml50 ml
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