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Etiology of genetic muscle disorders induced by mutations in fast and slow skeletal MyBP-C paralogs
Song Taejeong,Landim-Vieira Maicon,Ozdemir Mustafa,Gott Caroline,Kanisicak Onur,Pinto Jose Renato,Sadayappan Sakthivel 생화학분자생물학회 2023 Experimental and molecular medicine Vol.55 No.-
Skeletal muscle, a highly complex muscle type in the eukaryotic system, is characterized by different muscle subtypes and functions associated with specific myosin isoforms. As a result, skeletal muscle is the target of numerous diseases, including distal arthrogryposes (DAs). Clinically, DAs are a distinct disorder characterized by variation in the presence of contractures in two or more distal limb joints without neurological issues. DAs are inherited, and up to 40% of patients with this condition have mutations in genes that encode sarcomeric protein, including myosin heavy chains, troponins, and tropomyosin, as well as myosin binding protein-C (MYBPC). Our research group and others are actively studying the specific role of MYBPC in skeletal muscles. The MYBPC family of proteins plays a critical role in the contraction of striated muscles. More specifically, three paralogs of the MYBPC gene exist, and these are named after their predominant expression in slow-skeletal, fast-skeletal, and cardiac muscle as sMyBP-C, fMyBP-C, and cMyBP-C, respectively, and encoded by the MYBPC1, MYBPC2, and MYBPC3 genes, respectively. Although the physiology of various types of skeletal muscle diseases is well defined, the molecular mechanism underlying the pathological regulation of DAs remains to be elucidated. In this review article, we aim to highlight recent discoveries involving the role of skeletal muscle-specific sMyBP-C and fMyBP-C as well as their expression profile, localization in the sarcomere, and potential role(s) in regulating muscle contractility. Thus, this review provides an overall summary of MYBPC skeletal paralogs, their potential roles in skeletal muscle function, and future research directions.
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Association between physiological and agronomic traits and selection of tropical wheat
Henrique Caletti Mezzomo,Cleiton Renato Casagrande,Caique Machado e Silva,Aluízio Borém,Maicon Nardino 한국작물학회 2021 Journal of crop science and biotechnology Vol.24 No.2
The aims of this study are to verify the existence of canonical correlations between physiological and agronomic traits of 40 lines of tropical wheat using the REML/BLUP (restricted maximum likelihood/best linear unbiased prediction) method and select genotypes with the best performance using four selection indexes. For such, 40 tropical wheat genotypes were evaluated in a field experiment in Viçosa, MG, Brazil. The physiological traits (group I) of these genotypes were measured using an infrared gas analyzer, group II was formed by agronomic traits. The data were submitted to REML/BLUP and the predicted genotypic values (BLUP) were obtained to estimate genotypic correlation coeffi cients, canonical correlation coeffi cients between groups I and II, and to perform the selection of superior genotypes using the method of ranks summation index, multiplicative index, genotype-ideotype distance index and Z index. The maximum likelihood test revealed a significant effect of genotypes for all traits evaluated. Net photosynthetic rate it showed a positive correlation with stomatal conductance to H 2 O (0.32) and transpiration rate (0.79). Hectoliter weight has a significant association with physiological traits, positive for intercellular CO 2 concentration (0.56) and negative for leaf temperature (− 0.56) and transpiration rate (− 0.42). The correlation between groups was 0.78. The intercellular CO 2 concentration was directly related to disease note and hectoliter weight. The lines VI 14050, VI 14197 and VI 14950 coincide in the three selection indexes, with a potential for registration as a new cultivar.
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Kely N. de Oliveira,Helena C. Castro,Márcia M. Souza,Plínio Cunha Sathler,Uiaran O. Magalhães,Carlos R. Rodrigues,Patrícia R. Palm,Maicon Sarda,Pablo E. Perotto,Sabrina Cezar,Monique A. de Brito,Arian 대한약학회 2012 Archives of Pharmacal Research Vol.35 No.10
In this paper, we describe the antinociceptive activity, molecular modeling and in silico ADMET screening of a series of sulphonyl-hydrazone and sulphonamide imidobenzene derivatives. Among these compounds, the sulphonyl-hydrazones 9 and 11 showed the most potent analgesic activity (ID50 = 5.1 and 6.8 μmol/kg, respectively). Interestingly, all derivatives evaluated in this study have a better analgesic profile than the control drugs, acetyl salicylic acid and acetaminophen. Derivative 9 was the most promising compound; with a level of activity that was 24 times higher than the control drugs. Our SAR study showed a relationship among the distribution of the frontier orbital HOMO coefficients, HOMO-LUMO energy gap of these molecules and their reactivity. The best analgesic compounds (including 6, 9, 10, 11 and 12) fulfilled the Lipinski “rule-of-five”, which is theoretically important for good drug absorption and permeation.
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Corns with Different Nutritional Profiles on Growing and Finishing Pigs Feeding (30 to 90 kg)
De Oliveira, Gisele Cristina,Moreira, Ivan,De Souza, Ana Lucia Pozzobon,Murakami, Alice Eiko,Parra, Angela Rocio Poveda,De Oliveira Carvalho, Paulo Levi,Borile, Maicon Danner Asian Australasian Association of Animal Productio 2011 Animal Bioscience Vol.24 No.7
Three experiments were carried out to determine the nutritional value and to verify the pig performance in growing and finishing phases (30 to 90 kg) fed on diets containing common corn (CC), high-lysine corn (HLC) and high-oil corn (HOC). In the total digestibility trial (Exp. I) 12 barrows were used. Values of digestible energy (DE) and metabolizable energy (ME) as-fed basis for CC, HLC and HOC, were: 3,396 and 3,275 kcal/kg; 3,248 and 3,139 kcal/kg; 3,445 and 3,308 kcal/kg, respectively. In order to determine the apparent and true ileal digestibility coefficients of amino acids, as well as the values of true digestible amino acids of the CC, HLC and HOC, an ileal digestibility trial was done (Exp. II) with T-cannulated barrows ("T" simple). The treatments consisted of three diets, with one of them as the sole source of protein (CC, HLC and HOC). In the performance experiment (Exp. III), 36 crossbred pigs, allotted in a completely randomized design with three treatments and 12 replications were used. Treatments consisted of three diets: 1 - CC; 2 - HLC and 3 - HOC. It was observed no difference for performance and carcass variables among the corns with different nutritional profiles. Results of the three experiments highlighted the importance of segregating corns in their real chemical and energetic composition as well as the values of true digestible amino acids for formulating diets for growing and finishing pigs.
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