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Rondón C, Campo P, Salas M, Aranda A, Molina A, González M, Galindo L, Mayorga C, Torres MJ, Blanca M. Efficacy and safety of D. pteronyssinus immunotherapy in local allergic rhinitis: a double-blind placebo-controlled clinical trial. Allergy 2016; 71:1057-61. [PMID: 27008542 DOI: 10.1111/all.12889] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/19/2016] [Indexed: 12/14/2022]
Abstract
The effects of allergen immunotherapy (AIT) on local allergic rhinitis (LAR) are largely unknown. We conducted the first randomized, double-blind, placebo-controlled (DBPC), phase II trial of D. pteronyssinus (DP) subcutaneous AIT (DP-AIT) on LAR (clinicaltrials.gov identifier: NCT02123316). Thirty-six LAR patients received Pangramin PLUS DP or placebo for 24 months. The primary endpoints were symptoms, medication scores, and medication-free days. The secondary included skin test, serum specific IgE and IgG4, nasal allergen provocation test (NAPT), and adverse events. AIT-DP produced significant improvements in both primary and secondary endpoints vs placebo. After 12 months of AIT-DP, we detected a significant and marked increase in allergen tolerance with negative NAPT in 50% of patients, and significant increases of serum sIgG4. Immunotherapy was well tolerated; no systemic reactions were reported. This study demonstrated that AIT-DP is a safe and clinically effective treatment for LAR, confirming that LAR is a new indication for AIT.
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Méchin N, Cerpolini E, Conjeaud M, Fernandes M, Molina A, Coquerel A. Morphine/codéine dans les urines de sportifs : quels ratios au cours des contrôles demandés par l’Agence française de lutte contre le dopage (AFLD) ? TOXICOLOGIE ANALYTIQUE ET CLINIQUE 2016. [DOI: 10.1016/j.toxac.2016.03.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Solé M, Peña F, Domenech V, Clemente I, Polvillo O, Valera M, Verona JC, Rubí M, Molina A. Carcass and Meat Quality Traits in an Embden×Toulouse Goose Cross Raised in Organic Dehesa. ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES 2016; 29:838-44. [PMID: 26954156 PMCID: PMC4852251 DOI: 10.5713/ajas.15.0583] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Revised: 09/06/2015] [Accepted: 10/09/2015] [Indexed: 11/27/2022]
Abstract
This study assessed the influence of genetic type (Embden-Anser anser, EE; Toulouse-Anser anser, TT and F1 cross, ET) for meat characteristics (carcass, meat quality and fatty acid (FA) profiles), of domestic geese "Anser anser domesticus" raised in dehesa as an alternative, organic feeding system. Carcass and breast muscle weight (p<0.01) were greater for the ET group at the same live weight. None of the groups showed differences in the production of fatty liver with this type of feeding. Higher values were found for maximum Warner-Bratzler shear force (between 7.62 and 8.87 kg/cm(2)), which implies the improvement of this parameter. High levels of oleic FAs were obtained, especially for the TT group. The polyunsaturated/saturated FA ratio was highest for the ET group (p<0.001), reflecting the optimum nutritional values as a component of a healthy consumer diet.
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Negro Rama S, Valera M, Membrillo A, Gómez MD, Solé M, Menendez-Buxadera A, Anaya G, Molina A. Quantitative analysis of short- and long-distance racing performance in young and adult horses and association analysis with functional candidate genes in Spanish Trotter horses. J Anim Breed Genet 2016; 133:347-56. [PMID: 26991374 DOI: 10.1111/jbg.12208] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Accepted: 02/05/2016] [Indexed: 12/01/2022]
Abstract
The association of five candidate genes with sporting performance in young and adult Spanish Trotter horses (STHs) was performed according to a previous selection based on quantitative analysis of the trait time per kilometre (TPK). A total of 334 516 records of TPK from 5958 STHs were used to estimate the estimated breeding values (EBVs) at different age groups (young and adults horses) throughout the range of distances (1600-2700 m) using a bicharacter random regression model. The heritability estimated by distance ranged from 0.16 to 0.40, with a different range for the two age groups. Considering the animals with the best and the worst deregressed EBV, 321 STHs were selected for SNP genotyping in MSTN, COX4I2, PDK4, DMRT3 and CKM genes. An association analysis based on ridge and logistic regression revealed that the young trotters with genotype GG in PDK4 (p < 0.05) and AA of DMRT3 (p < 0.001) SNPs show the best potential in short-distance races, while those carrying the genotype AA in DMRT3 (p < 0.001) and CC in CKM (p < 0.05) genes seem to be the best in long-distance races. Adult trotters with genotype AA in DMRT3 also display greater speed (p < 0.05) and endurance (p < 0.001).
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Sánchez MJ, Azor PJ, Molina A, Parkin T, Rivero JLL, Valera M. Prevalence, risk factors and genetic parameters of cresty neck in Pura Raza Español horses. Equine Vet J 2016; 49:196-200. [DOI: 10.1111/evj.12569] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 02/06/2016] [Indexed: 11/28/2022]
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Sánchez-Guerrero M, Molina A, Gómez M, Peña F, Valera M. Relationship between morphology and performance: Signature of mass-selection in Pura Raza Español horse. Livest Sci 2016. [DOI: 10.1016/j.livsci.2016.01.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Avilés C, Horcada A, Polvillo O, Membrillo A, Anaya G, Molina A, Alcalde M, Panea B. Association study between variability in the SCD gene and the fatty acid profile in perirenal and intramuscular fat deposits from Spanish goat populations. Small Rumin Res 2016. [DOI: 10.1016/j.smallrumres.2016.01.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Montero B, Cuesta I, Pueyo C, Navacerrada MI, Palomar C, Molina A, Garea J, Bermejo T. PS-021 Prescription errors in oral investigational products for oncohaematologic outpatients included in a clinical trial. Eur J Hosp Pharm 2016. [DOI: 10.1136/ejhpharm-2016-000875.506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Buisson C, Marchand A, Bailloux I, Lahaussois A, Martin L, Molina A. Detection by LC-MS/MS of HIF stabilizer FG-4592 used as a new doping agent: Investigation on a positive case. J Pharm Biomed Anal 2016; 121:181-187. [PMID: 26808067 DOI: 10.1016/j.jpba.2016.01.029] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/11/2016] [Accepted: 01/12/2016] [Indexed: 10/22/2022]
Abstract
Stabilizing the labile factor HIF (hypoxia inducible factor) for therapeutic use has led to the development of various molecules by pharmaceutical companies. These HIF stabilizers show promising erythropoiesis stimulating capacities and are of great interest for patients with chronical kidney disease and anemia. Amongst them FG-4592 from FibroGen is now under phase 3 of clinical studies. While this drug is still under investigation, a parallel market already allows to buy this product, which could be tempting for some athletes willing to increase their performances. To avoid such a use for doping purpose, WADA has listed HIF stabilizers and FG-4592 in particular as prohibited substances since 2011 and some anti-doping laboratories have developed a technique of identification of FG-4592 in urine. Here, we described the first case ever identified by an anti-doping laboratory of an athlete using FG-4592. Detection and confirmation in urinary samples was performed by LC-MS/MS. In addition, potential indirect markers erythropoietin (EPO) and hematological parameters followed in the Athlete Biological Passport (ABP) were analyzed during and after the period of use but showed no profound alterations. Only ABPS (abnormal blood profile score) reached (but did not exceed) the upper limit proposed by the ABP adaptive model just after the period of use of FG-4592. Altogether this case sends a warning for anti-doping laboratories which now must strengthen surveillance on HIF stabilizers and develop sensitive methods of detection for this new class of drugs.
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Cervantes I, Bartolomé E, Valera M, Gutiérrez JP, Molina A. Crossbreed genetic performance study in the eventing horse competition. ANIMAL PRODUCTION SCIENCE 2016. [DOI: 10.1071/an14677] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Eventing is an equestrian discipline combining dressage, show jumping and cross-country exercises. The Spanish Sport Horse (SSH) was used in this study as an example to develop a method to ascertain the influence of parental breeds on particular performances by linking their parental genetic contribution with the individual phenotype value computing the optimal breed contribution for each trait evaluated in eventing. Data included 1220 eventing records from 210 SSH animals. The genetic contribution of six main founder populations were computed for each SSH: the Spanish Purebreed (SPB), Arab Horse (A), Thoroughbred (TB), Selle Français (SF), German breeds (G) and North(-west) European (N) breeds. For this analysis we used BLUP (best linear unbiased predictor) animal models for five defined traits and for the total score. The genetic contribution as linear and quadratic adjustment and the interaction between genetic contributions were included as covariates in the genetic model to separate the possible combining ability from the breeding values. The optimal breed genetic contribution for each trait was maximised by using a simplex method. The best combination for conformation was 51% SPB and 49% N, for cross-country aptitude 23% SPB and 77% N, for dressage 48% SF and 52% N, and for show jumping 64% A and 36% N. For cross-country the best performance was predicted using 100% N genetic contribution and for the total score of 24% SF and 76% N. The combination of two breeds (group of breeds) seemed to be the best option for most of the traits. Although the results should be interpreted with caution, the importance of this paper is that it can be considered as a starting point of the analysis. The methodology applied here performed nicely in searching for the best contribution of several breeds to find the best combination for particular interests and could, therefore, be useful for other species/populations.
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Chi KN, Kheoh T, Ryan CJ, Molina A, Bellmunt J, Vogelzang NJ, Rathkopf DE, Fizazi K, Kantoff PW, Li J, Azad AA, Eigl BJ, Heng DYC, Joshua AM, de Bono JS, Scher HI. A prognostic index model for predicting overall survival in patients with metastatic castration-resistant prostate cancer treated with abiraterone acetate after docetaxel. Ann Oncol 2015; 27:454-60. [PMID: 26685010 PMCID: PMC4769990 DOI: 10.1093/annonc/mdv594] [Citation(s) in RCA: 131] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 11/27/2015] [Indexed: 12/17/2022] Open
Abstract
A prognostic index model was developed, composed of six readily available and assessable factors and categorizing patients with metastatic castration-resistant prostate cancer treated with abiraterone–prednisone into distinct prognostic risk groups. This model could be useful for determining patient prognosis for follow-up, monitoring and patient stratification for clinical trials. Background Few prognostic models for overall survival (OS) are available for patients with metastatic castration-resistant prostate cancer (mCRPC) treated with recently approved agents. We developed a prognostic index model using readily available clinical and laboratory factors from a phase III trial of abiraterone acetate (hereafter abiraterone) in combination with prednisone in post-docetaxel mCRPC. Patients and methods Baseline data were available from 762 patients treated with abiraterone–prednisone. Factors were assessed for association with OS through a univariate Cox model and used in a multivariate Cox model with a stepwise procedure to identify those of significance. Data were validated using an independent, external, population-based cohort. Results Six risk factors individually associated with poor prognosis were included in the final model: lactate dehydrogenase > upper limit of normal (ULN) [hazard ratio (HR) = 2.31], Eastern Cooperative Oncology Group performance status of 2 (HR = 2.19), presence of liver metastases (HR = 2.00), albumin ≤4 g/dl (HR = 1.54), alkaline phosphatase > ULN (HR = 1.38) and time from start of initial androgen-deprivation therapy to start of treatment ≤36 months (HR = 1.30). Patients were categorized into good (n = 369, 46%), intermediate (n = 321, 40%) and poor (n = 107, 13%) prognosis groups based on the number of risk factors and relative HRs. The C-index was 0.70 ± 0.014. The model was validated by the external dataset (n = 286). Conclusion This analysis identified six factors used to model survival in mCRPC and categorized patients into three distinct risk groups. Prognostic stratification with this model could assist clinical practice decisions for follow-up and monitoring, and may aid in clinical trial design. Trial registration numbers NCT00638690.
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Pelayo R, Solé M, Sánchez MJ, Molina A, Valera M. Behavioural linear standardized scoring system of the Lidia cattle breed by testing in herd: estimation of genetic parameters. J Anim Breed Genet 2015; 133:414-21. [PMID: 26676717 DOI: 10.1111/jbg.12198] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 11/10/2015] [Indexed: 11/28/2022]
Abstract
Docility is very important for cattle production, and many behavioural tests to measure this trait have been developed. However, very few objective behavioural tests to measure the opposite approach 'aggressive behaviour' have been described. Therefore, the aim of this work was to validate in the Lidia cattle breed a behavioural linear standardized scoring system that measure the aggressiveness and enable genetic analysis of behavioural traits expressing fearless and fighting ability. Reproducibility and repeatability measures were calculated for the 12 linear traits of this scoring system to assess its accuracy, and ranged from 85.3 and 94.2%, and from 66.7 to 97.9%, respectively. Genetic parameters were estimated using an animal model with a Bayesian approach. A total of 1202 behavioural records were used. The pedigree matrix contained 5001 individuals. Heritability values (with standard deviations) ranged between 0.13 (0.04) (Falls of the bull) and 0.41 (0.08) (Speed of approach to horse). Genetic correlations varied from 0.01 (0.07) to 0.90 (0.13). Finally, an exploratory factor analysis using the genetic correlation matrix was calculated. Three main factors were retained to describe the traditional genetic indexes aggressiveness, strength and mobility.
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Glass H, Molina A, Guimarães A, Berigo G, Neves M. What should I ask to know if my patient needs a diagnostic (respiratory) polysomnography (PSG)? Sleep Med 2015. [DOI: 10.1016/j.sleep.2015.02.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Aedo JE, Maldonado J, Aballai V, Estrada JM, Bastias-Molina M, Meneses C, Gallardo-Escarate C, Silva H, Molina A, Valdés JA. mRNA-seq reveals skeletal muscle atrophy in response to handling stress in a marine teleost, the red cusk-eel (Genypterus chilensis). BMC Genomics 2015; 16:1024. [PMID: 26626593 PMCID: PMC4667402 DOI: 10.1186/s12864-015-2232-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Accepted: 11/19/2015] [Indexed: 01/07/2023] Open
Abstract
Background Fish reared under intensive conditions are repeatedly exposed to stress, which negatively impacts growth. Although most fish follow a conserved pattern of stress response, with increased concentrations of cortisol, each species presents specificities in the cell response and stress tolerance. Therefore, culturing new species requires a detailed knowledge of these specific responses. The red cusk-eel (Genypterus chilensis) is a new economically important marine species for the Chilean aquaculture industry. However, there is no information on the stress- and cortisol-induced mechanisms that decrease skeletal muscle growth in this teleost. Results Using Illumina RNA-seq technology, skeletal muscle sequence reads for G. chilensis were generated under control and handling stress conditions. Reads were mapped onto a reference transcriptome, resulting in the in silico identification of 785 up-regulated and 167 down-regulated transcripts. Gene ontology enrichment analysis revealed a significant up-regulation of catabolic genes associated with skeletal muscle atrophy. These results were validated by RT-qPCR analysis for ten candidates genes involved in ubiquitin-mediated proteolysis, autophagy and skeletal muscle growth. Additionally, using a primary culture of fish skeletal muscle cells, the effect of cortisol was evaluated in relation to red cusk-eel skeletal muscle atrophy. Conclusions The present data demonstrated that handling stress promotes skeletal muscle atrophy in the marine teleost G. chilensis through the expression of components of the ubiquitin-proteasome and autophagy-lysosome systems. Furthermore, cortisol was a powerful inductor of skeletal muscle atrophy in fish myotubes. This study is an important step towards understanding the atrophy system in non-model teleost species and provides novel insights on the cellular and molecular mechanisms that control skeletal muscle growth in early vertebrates. Electronic supplementary material The online version of this article (doi:10.1186/s12864-015-2232-7) contains supplementary material, which is available to authorized users.
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Fizazi K, Flaig TW, Stöckle M, Scher HI, de Bono JS, Rathkopf DE, Ryan CJ, Kheoh T, Li J, Todd MB, Griffin TW, Molina A, Ohlmann CH. Does Gleason score at initial diagnosis predict efficacy of abiraterone acetate therapy in patients with metastatic castration-resistant prostate cancer? An analysis of abiraterone acetate phase III trials. Ann Oncol 2015; 27:699-705. [PMID: 26609008 DOI: 10.1093/annonc/mdv545] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 10/27/2015] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND The usefulness of Gleason score (<8 or ≥8) at initial diagnosis as a predictive marker of response to abiraterone acetate (AA) plus prednisone in patients with metastatic castration-resistant prostate cancer (mCRPC) was explored retrospectively. PATIENTS AND METHODS Initial diagnosis Gleason score was obtained in 1048 of 1195 (COU-AA-301, post-docetaxel) and 996 of 1088 (COU-AA-302, chemotherapy-naïve) patients treated with AA 1 g plus prednisone 5 mg twice daily by mouth or placebo plus prednisone. Efficacy end points included radiographic progression-free survival (rPFS) and overall survival (OS). Distributions and medians were estimated by Kaplan-Meier method and hazard ratio (HR) and 95% confidence interval (CI) by Cox model. RESULTS Baseline characteristics were similar across studies and treatment groups. Regardless of Gleason score, AA treatment significantly improved rPFS in post-docetaxel [Gleason score <8: median, 6.4 versus 5.5 months (HR = 0.70; 95% CI 0.56-0.86), P = 0.0009 and Gleason score ≥8: median, 5.6 versus 2.9 months (HR = 0.58; 95% CI 0.48-0.72), P < 0.0001] and chemotherapy-naïve patients [Gleason score <8: median, 16.5 versus 8.2 months (HR = 0.50; 95% CI 0.40-0.62), P < 0.0001 and Gleason score ≥8: median, 13.8 versus 8.2 months (HR = 0.61; 95% CI 0.49-0.76), P < 0.0001]. Clinical benefit of AA treatment was also observed for OS, prostate-specific antigen (PSA) response, objective response and time to PSA progression across studies and Gleason score subgroups. CONCLUSION OS and rPFS trends demonstrate AA treatment benefit in patients with pre- or post-chemotherapy mCRPC regardless of Gleason score at initial diagnosis. The initial diagnostic Gleason score in patients with mCRPC should not be considered in the decision to treat with AA, as tumour metastases may no longer reflect the histology at the time of diagnosis. CLINICAL TRIALS NUMBER COU-AA-301 (NCT00638690); COU-AA-302 (NCT00887198).
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Berry M, Urrutia L, Lamoza P, Parra F, Bustos A, Molina A. Bariatric Surgery In Adolescents : Band Vs Sleeve Vs Gastric Bypass. Surg Obes Relat Dis 2015. [DOI: 10.1016/j.soard.2015.08.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Aedo JE, Reyes AE, Avendaño-Herrera R, Molina A, Valdés JA. Bacterial lipopolysaccharide induces rainbow trout myotube atrophy via Akt/FoxO1/Atrogin-1 signaling pathway. Acta Biochim Biophys Sin (Shanghai) 2015; 47:932-7. [PMID: 26341977 DOI: 10.1093/abbs/gmv087] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 06/28/2015] [Indexed: 02/07/2023] Open
Abstract
Lipopolysaccharide (LPS) is considered as a powerful inducer of muscle atrophy in higher vertebrates due to skeletal muscle cell recognition of the endotoxin and a consequent activation of catabolic signaling pathways. In contrast, there is no evidence of LPS directly inducing skeletal muscle atrophy in lower vertebrates, such as fish. For years it has been assumed that fish are resistant to LPS, mainly due to differences in the key features of toll-like receptor (TLR) signaling pathways when compared with mammals. In this study, we report that the stimulation of cultured rainbow trout (Oncorhynchus mykiss) myotubes with LPS (100 ng/ml) resulted in a transient decrease in the pAkt/Akt ratio, a subsequent reduction in the pFoxO1/FoxO1 ratio, and a significant increase in atrogin-1 transcript expression. Preincubation with polymyxin B, an LPS-neutralizing agent, and 740 Y-P, an agonist of p85-PI3K, blocked the effects of LPS. Additionally, LPS treatment induced an increase in protein ubiquitination and a reduction in myotube diameter, both of which are associated with muscular atrophy that is not observed under polymyxin B and 740 Y-P pretreatments. Finally, rainbow trout myotubes expressed the genes tlr1, tlr3, tlr5m, tlr8a1, tlr8a2, tlr9, and tlr22, with significantly increased expressions of tlr5m and tlr9 under LPS stimulation. These results indicate that LPS is an inducer of fish skeletal muscle atrophy and suggest that TLR5M and TLR9 may play important roles in detecting LPS, which supports for the first time the hypothesis that LPS is a direct inducer of skeletal muscle atrophy in teleost species.
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Molina A, González J, Laborda E, Compton R. Analytical solutions for fast and straightforward study of the effect of the electrode geometry in transient and steady state voltammetries: Single- and multi-electron transfers, coupled chemical reactions and electrode kinetics. J Electroanal Chem (Lausanne) 2015. [DOI: 10.1016/j.jelechem.2015.07.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Valenzuela CA, Escobar D, Perez L, Zuloaga R, Estrada JM, Mercado L, Valdés JA, Molina A. Transcriptional dynamics of immune, growth and stress related genes in skeletal muscle of the fine flounder (Paralichthys adpersus) during different nutritional statuses. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2015; 53:145-157. [PMID: 26165160 DOI: 10.1016/j.dci.2015.06.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 06/09/2015] [Accepted: 06/10/2015] [Indexed: 06/04/2023]
Abstract
The effects of stress on immune activity and growth in early vertebrates have not been studied in detail. The present study used fine flounder (Paralichthys adspersus) skeletal muscle as a model to evaluate molecules involved in the stress response, including the glucocorticoid receptors, foxo1/3, and the target genes of these. Additionally, immune markers (il-1β and tnfα) and effector molecules of atrophy (bnip3, caspase-3, and lc3) were assessed. These molecules were analyzed during periods of long-term fasting and refeeding. During fasting, gene expression related to the stress response and atrophy increased; whereas immune markers were down-regulated. During refeeding, atrophy- and stress-related gene expression significantly decreased. In contrast, immune markers were up-regulated. These results provide novel insight on the control of growth in the skeletal muscle of a non-mammalian species under a stressful condition, suggesting that growth, stress, and immune activity in muscle are closely related and coordinated by orchestrated transcriptional dynamics.
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Deandrea S, Molina A, Lopez-Alcalde J, Moreno J, Neamtiu L, Peiró-Pérez R, Uluturk A, Lerda D, Salas D. Implementation and equity trends in twenty-five years of European mammography screening programmes. Eur J Public Health 2015. [DOI: 10.1093/eurpub/ckv170.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Avilés C, Peña F, Polvillo O, Barahona M, Campo M, Sañudo C, Juárez M, Horcada A, Alcalde M, Molina A. Association between functional candidate genes and organoleptic meat traits in intensively-fed beef. Meat Sci 2015; 107:33-8. [DOI: 10.1016/j.meatsci.2015.04.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 04/07/2015] [Accepted: 04/09/2015] [Indexed: 10/23/2022]
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Retamales A, Zuloaga R, Valenzuela CA, Gallardo-Escarate C, Molina A, Valdés JA. Insulin-like growth factor-1 suppresses the Myostatin signaling pathway during myogenic differentiation. Biochem Biophys Res Commun 2015; 464:596-602. [PMID: 26151859 DOI: 10.1016/j.bbrc.2015.07.018] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 07/02/2015] [Indexed: 12/25/2022]
Abstract
Myogenic differentiation is a complex and well-coordinated process for generating mature skeletal muscle fibers. This event is autocrine/paracrine regulated by growth factors, principally Myostatin (MSTN) and Insulin-like Growth Factor-1 (IGF-1). Myostatin, a member of the transforming growth factor-β superfamily, is a negative regulator of skeletal muscle growth in vertebrates that exerts its inhibitory function by activating Smad transcription factors. In contrast, IGF-1 promotes the differentiation of skeletal myoblasts by activating the PI3K/Akt signaling pathway. This study reports on a novel functional crosstalk between the IGF-1 and MSTN signaling pathways, as mediated through interaction between PI3K/Akt and Smad3. Stimulation of skeletal myoblasts with MSTN resulted in a transient increase in the pSmad3:Smad3 ratio and Smad-dependent transcription. Moreover, MSTN inhibited myod gene expression and myoblast fusion in an Activin receptor-like kinase/Smad3-dependent manner. Preincubation of skeletal myoblasts with IGF-1 blocked MSTN-induced Smad3 activation, promoting myod expression and myoblast differentiation. This inhibitory effect of IGF-1 on the MSTN signaling pathway was dependent on IGF-1 receptor, PI3K, and Akt activities. Finally, immunoprecipitation assay analysis determined that IGF-1 pretreatment increased Akt and Smad3 interaction. These results demonstrate that the IGF-1/PI3K/Akt pathway may inhibit MSTN signaling during myoblast differentiation, providing new insight to existing knowledge on the complex crosstalk between both growth factors.
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Molina A, Olmos J, Laborda E. Reverse Pulse Voltammetry at Spherical and Disc Microelectrodes: Characterization of Homogeneous Chemical Equilibria and Their Impact on the Species Diffusivities. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.03.199] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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149
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Valdés J, Flores S, Fuentes E, Osorio-Fuentealba C, Jaimovich E, Molina A. IGF-1 Induces IP3-dependent Calcium Signal Involved in the Regulation of Myostatin Gene Expression Mediated by NFAT During Myoblast Differentiation. J Cell Physiol 2015. [DOI: 10.1002/jcp.24846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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150
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Fulle M, Corte VD, Rotundi A, Weissman P, Juhasz A, Szego K, Sordini R, Ferrari M, Ivanovski S, Lucarelli F, Accolla M, Merouane S, Zakharov V, Epifani EM, Moreno JJL, Rodríguez J, Colangeli L, Palumbo P, Grün E, Hilchenbach M, Bussoletti E, Esposito F, Green SF, Lamy PL, McDonnell JAM, Mennella V, Molina A, Morales R, Moreno F, Ortiz JL, Palomba E, Rodrigo R, Zarnecki JC, Cosi M, Giovane F, Gustafson B, Herranz ML, Jerónimo JM, Leese MR, Jiménez ACL, Altobelli N. DENSITY AND CHARGE OF PRISTINE FLUFFY PARTICLES FROM COMET 67P/CHURYUMOV–GERASIMENKO. ACTA ACUST UNITED AC 2015. [DOI: 10.1088/2041-8205/802/1/l12] [Citation(s) in RCA: 118] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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