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Dr. Angela  Mesa-Taylor  Pa C image

Dr. Angela Mesa-Taylor Pa C

400 N Hiatus Road Suite 105
Pembroke Pines FL 33026
954 318-8000
Medical School: Other - Unknown
Accepts Medicare: No
Participates In eRX: No
Participates In PQRS: No
Participates In EHR: No
License #: PA9102174
NPI: 1316931108
Taxonomy Codes:
208000000X 363A00000X

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Publications

Effects of a Combination of Berberis aristata, Silybum marianum and Monacolin on Lipid Profile in Subjects at Low Cardiovascular Risk; A Double-Blind, Randomized, Placebo-Controlled Trial. - International journal of molecular sciences
The aim of this study was to evaluate the efficacy and safety of an anti-hypercholesterolemic agent containing Berberis aristata, Silybum marianum and monacolin K and KA in a sample of Caucasian patients at low cardiovascular risk according to Framingham score. The primary outcome was to evaluate the effects of this nutraceutical combination on lipid profile; the secondary outcome was to evaluate the effect on some inflammatory markers, in particular high sensitivity C-reactive protein and tumor necrosis factor-α interleukin-6. One hundred and forty-three patients were randomized to placebo or Berberol(®) K, once a day, during the dinner, for 3 months, in a randomized, double-blind, placebo-controlled trial. We recorded a significant reduction of fasting plasma glucose with Berberol(®) K compared to placebo (-12.2%, p < 0.05). Moreover, we recorded an increase of fasting plasma insulin with Berberol(®) K both compared to baseline and to placebo (+9.9%, p < 0.05). Accordingly, the homeostasis model assessment (HOMA) index obtained after treatment with Berberol(®) K was lower than the one in the placebo group (-2.8%, p < 0.05). No variations of lipid profile were observed with placebo, while there was a significant decrease of total cholesterol (-20.5%, p < 0.05), triglycerides (-17.7%, p < 0.05), and low density lipoprotein (LDL) cholestero (-27.8%, p < 0.05) with Berberol(®) K, compared to placebo. There was a decrease of high sensitivity C-reactive protein (-30.8%, p < 0.05), and interleukin-6 (-25.0%, p < 0.05), with Berberol(®) K compared to placebo. In conclusion, combining different hypocholesterolemic nutraceutical agents such as Berberis aristata, Silybum marianum and monacolin K and KA could be effective and safe to obtain a reduction of lipid profile and an improvement of inflammatory parameters.
Fatty acid metabolic reprogramming via mTOR-mediated inductions of PPARγ directs early activation of T cells. - Nature communications
To fulfil the bioenergetic requirements for increased cell size and clonal expansion, activated T cells reprogramme their metabolic signatures from energetically quiescent to activated. However, the molecular mechanisms and essential components controlling metabolic reprogramming in T cells are not well understood. Here, we show that the mTORC1-PPARγ pathway is crucial for the fatty acid uptake programme in activated CD4(+) T cells. This pathway is required for full activation and rapid proliferation of naive and memory CD4(+) T cells. PPARγ directly binds and induces genes associated with fatty acid uptake in CD4(+) T cells in both mice and humans. The PPARγ-dependent fatty acid uptake programme is critical for metabolic reprogramming. Thus, we provide important mechanistic insights into the metabolic reprogramming mechanisms that govern the expression of key enzymes, fatty acid metabolism and the acquisition of an activated phenotype during CD4(+) T cell activation.
Epidemiological burden estimates for pathologies with a nonconstant risk: an application to HCV in Italy according to age, Metavir score, and genotype: A systematic review and meta-analysis. - Medicine
Between western European countries, the hepatitis C virus (HCV) endemic is highest in Italy. The main objective of this paper is to estimate the endemic diffusion of hepatitis C at the national level and by geographical area, with an extrapolation at the regional level and by uniform cohorts of subjects (by sex and year of birth). The secondary objective is a stratification by gravity of the estimated statistical figures to provide an overview of possible targets of the new anti-HCV treatments.PubMed and the Cochrane Library were searched for relevant Italian populations studies regarding HCV prevalence. Random and fixed effect models were used for pooling data. To develop the epidemiological model, a meta-analysis of studies of Italian populations and the explicit consideration of the changes in the etiology of the disease in different cohorts (by year of birth) of population and the impact of effective treatments that have been introduced since the 1990s. A Markovian transition model, which is based on the distribution of HCV+ and HCV Ribonucleic Acid (RNA)+ subjects, provides a plausible assessment of the Italian situation. The Meta-analysis of Observational Studies in Epidemiology recommendations/statements were followed.In 2014, 1569,215 HCV+ subjects (95% credible interval [CrI]: 1202,630-2021,261) were estimated in Italy, with a 2.58% prevalence (95% CrI: 1.98%-3.33%). A total of 828,884 HCV RNA+ subjects (95% CrI: 615,892-1081,123), which is equal to a 1.36% prevalence (95% CrI: 1.01%-1.78%), is higher in southern Italy and the islands (1.9%) than in central-northern Italy (1.1%). The predominance of adult and elderly subjects, with an old or very old infection, inevitably entails a significant number of HCV RNA+ subjects in the advanced stages of the illness. According to our estimates, approximately 400,000 subjects have cirrhosis, decompensated cirrhosis, and hepatocarcinoma, with a median age of 70 years.The model aims to support policymakers to define action plans by providing an estimate of both the emerged infected population and nonemerged infected population by age, gender, gravity, genotype, and geographical area. In the future, the model may contribute to simulation of the costs and outcome of different action strategies that can be adopted by health authorities.
Is renal medullary carcinoma the seventh nephropathy in sickle cell disease? A multi-center Nigerian survey. - African health sciences
Previous studies had enlisted renal medullary carcinoma (RMC) as the seventh nephropathy in sickle cell disease (SCD). Clinical experience has contradicted this claim and this study is targeted at refuting or supporting this assumption.To estimate the prevalence of RMC and describe other renal complications in SCD.14 physicians (haematologists and urologists) in 11 tertiary institutions across the country were collated from patients' case notes and hospital SCD registers.Of the 3,596 registered sickle patients, 2 (0.056%) had been diagnosed with RMC over a ten year period, thereby giving an estimated prevalence rate of 5.6 per 100,000. The most common renal complication reported by the attending physicians was chronic kidney disease (CKD). The frequency of routine renal screening for SCD patients varied widely between centres - most were done at diagnosis, annually or bi-annually.The ten year prevalence of RMC in Nigerian SCD patients was determined to be 5.6 (estimated incidence of 0.56). RMC is not more common in SCD patients and therefore cannot be regarded as a "Seventh Sickle nephropathy". Most of the managing physicians reported that the commonest nephropathy observed in their SCD patients was chronic kidney disease.
Real-time monitoring of glucose and phenols intestinal absorption through an integrated Caco-2TC7cells/biosensors telemetric device: Hypoglycemic effect of fruit phytochemicals. - Biosensors & bioelectronics
An integrated device for real-time monitoring of glucose and phenols absorption, that consists of a sensors/biosensors system (SB) and a Caco-2TC7 human intestinal cell culture, is described in this study. The SB is composed of a glucose oxidase-based biosensor, a sentinel platinum sensor, a laccase/tyrosinase-based biosensor and a sentinel carbon sensor, all located in the basolateral compartment (BC) of a cell culture plate. Caco-2TC7 cells, differentiated on culture inserts, separated the apical compartment that simulates the intestinal lumen, from the BC which represented the bloodstream. The system recorded currents relative to glucose (1mM) absorption, obtaining bioavailability values (5.1%) comparable to HPLC analysis (4.8%). Phloridzin and phloretin, specific phenolic inhibitors of SGLT1 and GLUT2 glucose transporters, reduced the glucose transport of almost 10 times. They were minimally absorbed in the BC with a bioavailability of 0.13% and 0.49% respectively. The hypoglycemic potential of blueberry and pomegranate juices was also studied. In particular, the amount of glucose absorbed through the Caco-2TC7 monolayer was 8‰ for pomegranate and 1.7‰ for blueberry, demonstrating the potential hypoglycemic effect of the juices. Polyphenols absorption was also monitored by the SB and an increase was recorded during the first 50min in presence of both blueberry and pomegranate juices, then a constant decrease occurred. The proposed device has been developed as innovative tool for the dynamic monitoring of natural compounds effects on glucose absorption, in order to manage postprandial hyperglycemia.Copyright © 2016 Elsevier B.V. All rights reserved.
c-Myc modulation & acetylation is a key HDAC inhibitor target in cancer. - Clinical cancer research : an official journal of the American Association for Cancer Research
Histone deacetylase inhibitors (HDACi) are promising anticancer drugs. Although some HDACi have entered the clinic, the mechanism(s) underlying their tumor selectivity are poorly understood. Experimental Design/Results: Using gene expression analysis, we define a core set of 6 genes commonly regulated in acute myeloid leukemia (AML) blasts and cell lines. c-Myc, the most prominently modulated, is preferentially altered in leukemia. Upon HDACi treatment, c-Myc is acetylated at lysine 323 and its expression decreases, leading to TRAIL activation and apoptosis. c-Myc binds to the TRAIL promoter on the proximal GC box through Sp1 or Miz1, impairing TRAIL activation. HDACi exposure triggers TRAIL expression, altering c-Myc-TRAIL binding. These events do not occur in normal cells. Excitingly, this inverse correlation between TRAIL and c-Myc is supported by HDACi treatment ex vivo of AML blasts and primary human breast cancer cells. The predictive value of c-Myc to HDACi responsiveness is confirmed in vivo in AML patients undergoing HDACi-based clinical trials.Collectively, our findings identify a key role for c-Myc in TRAIL deregulation and as a biomarker of the anticancer action of HDACi in AML. The potential improved patient stratification could pave the way towards personalized therapies.Copyright ©2016, American Association for Cancer Research.
Combined Treatment Fkt-Botulinum Toxin Type A (Btx-A) in Patients with Strumpell-Lorrain Disease. - Current pharmaceutical design
The Hereditary Spastic Paraparesis (HSP) or Strumpell-Lorrain disease is a heterogeneous neurodegenerative disease of the spinal cord. It is genetically transmitted and characterized by a progressive muscle weakness, spasticity of the lower limbs and awkward gain. There is no specific pharmacological treatment. The pharmacological therapy decreases the muscle tone and prevents stiffening). Physiotherapy restrains the progression of muscle atrophy, delays contraction of the tendons and gives greater mobility to people affected by the disease. The aim of this study is to demonstrate the efficacy of the combined treatment Fkt and Btx-A in patients with HSP. Retrospective study was conducted recruiting ten patients with spasticity according to Asworth modified scale of at least 2 and with gait deficit. They received treatment for 5 years with incobotulinumtoxinA and physiokinesiotherapy for addressing spasticity in the lower limbs. We evaluated muscle tone with miometric measurement both at the first visit (T0), and at subsequent ones (T1 after 30 days, T2 after 3 months from the first infiltration, T3 after 4 months up to the date of the following infiltration, T4 after 5 months). Baropodometric examination has proven essential for the study of the distribution of loads in statics and dynamics. The data analysis regarding tone assessment through measurements with Myoton highlighted hypertonus reduction in all the three muscle groups examined at T1 and the maintenance of constant values up to 5 months after the first infiltration. It also showed an increase in the percentage of back foot loading in both feet up to T4 (new inoculation, p<0, 05%). Baropodometric examination in dynamics (in particular the speed of the step) showed a gradual increase in this parameter which reaches a peak at 5 months (p<0, 05%) and then declines again in conjunction with the next infiltration treatment. This study showed the benefit of combined treatment with Btx and Fkt. The use of a local muscle relaxant drug with a physical targeted exercise guarantees better mobility of the treated segments, reducing tendon retractions as much as possible, and guarantees an adequate postural alignment. Baropodometric examination highlights a more advantageous distribution load, quite essential for avoiding tendinitis due to overload. Our data observation in the 5 years study shows how the curve relative to the speed of step and the graphics related to the variations of muscle tone remain almost constant with detectable improvement.
Pulmonary Kaposi sarcoma and disseminated Mycobacterium genavense infection in an HIV-infected patient. - BMJ case reports
We report a case of Kaposi sarcoma (KS) and disseminated infection by Mycobacterium genavense in a 40-year-old HIV-positive man with CD4+ T-cell count 5/µL. He presented with anorexia, diarrhoea, cachexia and multiple firm violaceous nodules distributed over the face, neck and upper and lower extremities. Biopsy of a skin nodule was performed, confirming KS. Immunoperoxidase staining for human herpesvirus 8 was strongly positive. Endoscopic examination revealed erosive duodenopathy. Multiple biopsy samples showed numerous acid-fast bacilli at direct microscopic examination. Real-time PCR (RT-PCR) identified M. genavense. A CT scan showed diffuse pulmonary infiltrates with a 'tree-in-bud' appearance, striking splenomegaly and abdominal lymphadenopathy. A bronchoscopy was performed, revealing typical Kaposi's lesions in the upper respiratory tract. RT-PCR of bronchial aspirate identified M. genavense and Pneumocystis jirovecii. Despite treatment with highly active antiretroviral therapy, antimycobacterial therapy and trimethoprim/sulfamethoxazole, the outcome was fatal.2015 BMJ Publishing Group Ltd.
Bivariate correlation coefficients in family-type clustered studies. - Biometrical journal. Biometrische Zeitschrift
We propose a unified approach based on a bivariate linear mixed effects model to estimate three types of bivariate correlation coefficients (BCCs), as well as the associated variances between two quantitative variables in cross-sectional data from a family-type clustered design. These BCCs are defined at different levels of experimental units including clusters (e.g., families) and subjects within clusters and assess different aspects on the relationships between two variables. We study likelihood-based inferences for these BCCs, and provide easy implementation using standard software SAS. Unlike several existing BCC estimators in the literature on clustered data, our approach can seamlessly handle two major analytic challenges arising from a family-type clustered design: (1) many families may consist of only one single subject; (2) one of the paired measurements may be missing for some subjects. Hence, our approach maximizes the use of data from all subjects (even those missing one of the two variables to be correlated) from all families, regardless of family size. We also conduct extensive simulations to show that our estimators are superior to existing estimators in handling missing data or/and imbalanced family sizes and the proposed Wald test maintains good size and power for hypothesis testing. Finally, we analyze a real-world Alzheimer's disease dataset from a family clustered study to investigate the BCCs across different modalities of disease markers including cognitive tests, cerebrospinal fluid biomarkers, and neuroimaging biomarkers.© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Old Weapons for New Wars: Bioactive Molecules From Cnidarian Internal Defense Systems. - Central nervous system agents in medicinal chemistry
The renewed interest in the study of genes of immunity in Cnidaria has led to additional information to the scenario of the first stages of immunity evolution revealing the cellular processes involved in symbiosis, in the regulation of homeostasis and in the fight against infections. The recent study with new molecular and functional approach on these organisms have therefore contributed with unexpected information on the knowledge of the stages of capturing activities and defense mechanisms strongly associated with toxin production. Cnidarians are diblastic aquatic animals with radial symmetry; they represent the ancestral state of Metazoa, they are the simplest multicellular organisms that have reached the level of tissue organization.The Cnidaria phylum has evolved using biotoxins as defense or predation mechanisms for ensure survival in hostile and competitive environments such as the seas and oceans. From benthic and pelagic species a large number of toxic compounds that have been determined can have an active role in the development of various antiviral, anticancer and antibacterial functions. Although the immune defense response of these animals is scarcely known, the tissues and the mucus produced by cnidarians are involved in immune defense and contain a large variety of peptides such as sodium and potassium channel neurotoxins, cytolysins, phospholipase A2 (PLA2), acid-sensing ion channel peptide toxins (ASICs) and other toxins, classified following biochemical and pharmacological studies on the basis of functional, molecular and structural parameters. These basal metazoan in fact, are far from "simple" in the range of methods at their disposal to deal with potential prey but also invading microbes and pathogens. They could also take advantage of the multi-functionality of some of their toxins, for example, some bioactive molecules have characteristics of toxicity associated with a potential antimicrobial activity. The interest in cnidarians was not only directed to the study of toxins and venom, but also to the fact these animals have been suggested as source of new molecules potentially relevant for biotechnology and pharmaceutical applications. Here, we review the cnidarian type of toxins regarding their multifunctional role and the future possibility of drawing important applications in fields ranging from biology to pharmacology.

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