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RISS 인기검색어
- 검색키워드
- 저자 : Daniel Munoz (검색결과 4 건)
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( Daniel Estanislao Goszczynski ),( Juliana Papaleo Mazzucco ),( Maria Veronica Ripoli ),( Edgardo Leopoldo Villarreal ),( Andres Rogberg-munoz ),( Carlos Alberto Mezzadra ),( Lilia Magdalena Melucci 한국동물자원과학회(구 한국축산학회) 2016 한국축산학회지 Vol.58 No.4
Background: Peroxisome proliferator-activated receptor gamma (PPARG), CCAAT/enhancer binding protein alpha (CEBPA) and retinoid X receptor alpha (RXRA) are nuclear transcription factors that play important roles in regulation of adipogenesis and fat deposition. The objectives of this study were to characterise the variability of these three candidate genes in a mixed sample panel composed of several cattle breeds with different meat quality, validate single nucleotide polymorphisms (SNPs) in a local crossbred population (Angus - Hereford - Limousin) and evaluate their effects on meat quality traits (backfat thickness, intramuscular fat content and fatty acid composition), supporting the association tests with bioinformatic predictive studies. Results: Globally, nine SNPs were detected in the PPARG and CEBPA genes within our mixed panel, including a novel SNP in the latter. Three of these nine, along with seven other SNPs selected from the Single Nucleotide Polymorphism database (SNPdb), including SNPs in the RXRA gene, were validated in the crossbred population (N = 260). After validation, five of these SNPs were evaluated for genotype effects on fatty acid content and composition. Significant effects were observed on backfat thickness and different fatty acid contents (P < 0.05). Some of these SNPs caused slight differences in mRNA structure stability and/or putative binding sites for proteins. Conclusions: PPARG and CEBPA showed low to moderate variability in our sample panel. Variations in these genes, along with RXRA, may explain part of the genetic variation in fat content and composition. Our results may contribute to knowledge about genetic variation in meat quality traits in cattle and should be evaluated in larger independent populations.
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Mariela Jimenez,Fabiola C. Munoz,Daniel Cervantes-Garcıa,Maritza M. Cervantes,Alicia Hernandez-Mercado,Berenice Barron-Garcıa,Jose L. Moreno Hernandez-Duque,Adrian Rodrıguez-Carlos,Bruno Rivas-Santiag 한국식품영양과학회 2020 Journal of medicinal food Vol.23 No.11
The maintenance of a healthy skin barrier is crucial to prevent and treat atopic dermatitis (AD) lesions and avoid infections. Glycomacropeptide (GMP) is a bioactive peptide that has demonstrated promising results as an anti-inflammatory and antipruritic therapy for experimental AD. This study aimed to analyze the effect of GMP on impaired cutaneous barrier-related signs in a rat model of AD lesions. AD-like dermatitis was induced on the skin by repeated topical applications of 2,4-dinitrochlorobenzene, and animals were orally administered GMP before or after AD induction. The expression of skin structural proteins and antimicrobial peptides (AMPs) was evaluated by immunoblot or immunohistochemistry, epidermal thickening was evaluated by histochemistry, the level of IFN-γ and changes in the microbiota were evaluated by quantitative polymerase chain reaction, and the quantity of fecal short-chain fatty acids (SCFAs) was evaluated by gas chromatography. GMP administration significantly increased filaggrin, β-defensin 2, and cathelicidin-related AMP expression in AD-like lesions. Involucrin expression was not modified. In GMP-treated animals, epidermal thickening and IFN-γ expression were strongly reduced in damaged skin. GMP treatment impacted the skin microbiota and prevented Staphylococcus aureus colonization, which is associated with AD. In addition, high levels of Bifidobacterium were detected in the feces of GMP-treated animals, and the acetic acid and butyric acid contents increased in animals prophylactically administered GMP. These results suggest that GMP markedly prevents or reverses skin barrier damage in rat AD-like lesions through a bifidogenic effect that induces fecal SCFA production with prolonged treatment. Our findings provide evidence that GMP may represent an optimum strategy for the therapy of the dysfunctional cutaneous barrier in AD.
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Potential impact of cardiology phone-consultation for patients risk-stratified by the HEART pathway
Ken Monahan,Margaret Pan,Chinonso Opara,Maame Yaa A. B. Yiadom,Daniel Munoz,Benjamin B. Holmes,Davis Stephen,Kristopher J. Swiger,Sean P. Collins 대한응급의학회 2019 Clinical and Experimental Emergency Medicine Vol.6 No.3
Objective Bedside consultation by cardiologists may facilitate safe discharge of selected patients from the emergency department (ED) even when admission is recommended by the History, Electrocardiogram, Age, Risk factors, Troponin (HEART) pathway. If bedside evaluation is unavailable, phone consultation between emergency physicians and cardiologists would be most impactful if the resultant disposition is discordant with the HEART pathway. We therefore evaluate discordance between actual disposition and that suggested by the HEART pathway in patients presenting to the ED with chest pain for whom cardiology consultation occurred exclusively by phone and to assess the impact of phone-consultation on disposition. Methods We performed a single-center, retrospective study of adults presenting to the ED with chest pain whose emergency physician had a phone consultation with a cardiologist. Actual disposition was abstracted from the medical record. HEART pathway category (low-risk, discharge; high-risk, admit) was derived from ED documentation. For discharged patients, major adverse cardiac events were assessed at 30 days by chart review and phone follow-up. Results For the 170 patients that had cardiologist phone consultation, discordance between actual disposition and the HEART pathway was 17%. The HEART pathway recommended admission for nearly 80% of discharged patients. Following cardiologist phone-consultation, 10% of high-risk patients were discharged, with the majority having undergone a functional study recommended by the cardiologist. At 30 days, discharged patients had experienced no episodes of major adverse cardiac events or rehospitalization for cardiac reasons. Conclusion For patients presenting to the ED with chest pain, cardiology phone-consultation has the potential to safely impact disposition, primarily by facilitating functional testing in high-risk individuals.
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