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Gonzalez-Lopez L, Cardona-Muñoz EG, Celis A, García-de la Torre I, Orozco-Barocio G, Salazar-Paramo M, Garcia-Gonzalez C, Garcia-Gonzalez A, Sanchez-Ortiz A, Trujillo-Hernandez B, Gamez-Nava JI. Therapy with intermittent pulse cyclophosphamide for pulmonary hypertension associated with systemic lupus erythematosus. Lupus 2016; 13:105-12. [PMID: 14995003 DOI: 10.1191/0961203304lu509oa] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The aim of this study was to compare the efficacy of intravenouscyclophosphamide(IVCYC) versus oral enalapril in mild or moderate pulmonary hypertension (PH) in systemic lupus erythematosus (SLE). Thirty-four patients with SLE who had systolic pulmonary artery pressure (SPAP) > 30mmHg by Doppler echocardiography were randomized to receive IVCYC (0.5g/mt2 body surface area, monthly), or oral enalapril (10mg/day) for six months. The primary outcome was the significant decrease in SPAP. An additional outcome measure included the improvement in the heart functional class (NYHA). Sixteen patients received cyclophosphamide and 18 enalapril. IVCYC decreased the median values of SPAP from 41 to 28mmHg (P < 0.001), and enalapril from 35 to 27mmHg (P 0.02). IVCYC reduced more than twice as much SPAP than enalapril (P 0.04). In those patients with SPAP ≥35mmHg, cyclophosphamidedecreased from 43 to 27mmHg (P 0.003), but enalapril was not effective (P 0.14). The NYHA functional class improved only in those with cyclophosphamide (P 0.021). Also IVCYC had a higher frequency of side effects including infections (RR 1.6; 95% CI, 1.001-2.47), and gastrointestinal side effects (RR 14.6; 95% CI,2.15-99.68). We concluded that IVCYC was effective in mild and moderate PH associated with SLE. Further research is needed to evaluate its long-term efficacy.
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Affiliation(s)
- L Gonzalez-Lopez
- Department of Internal Medicine-Rheumatology, Hospital General Regional 110-Instituto Mexicano del Seguro Social, Guadalajara, México.
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Garcia-Gonzalez A, Vicens L, Alicea M, Massey SE. The distribution of recombination repair genes is linked to information content in bacteria. Gene 2013; 528:295-303. [PMID: 23796800 DOI: 10.1016/j.gene.2013.05.082] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2013] [Accepted: 05/28/2013] [Indexed: 01/07/2023]
Abstract
The concept of a 'proteomic constraint' proposes that the information content of the proteome exerts a selective pressure to reduce mutation rates, implying that larger proteomes produce a greater selective pressure to evolve or maintain DNA repair, resulting in a decrease in mutational load. Here, the distribution of 21 recombination repair genes was characterized across 900 bacterial genomes. Consistent with prediction, the presence of 17 genes correlated with proteome size. Intracellular bacteria were marked by a pervasive absence of recombination repair genes, consistent with their small proteome sizes, but also consistent with alternative explanations that reduced effective population size or lack of recombination may decrease selection pressure. However, when only non-intracellular bacteria were examined, the relationship between proteome size and gene presence was maintained. In addition, the more widely distributed (i.e. conserved) a gene, the smaller the average size of the proteomes from which it was absent. Together, these observations are consistent with the operation of a proteomic constraint on DNA repair. Lastly, a correlation between gene absence and genome AT content was shown, indicating a link between absence of DNA repair and elevated genome AT content.
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Affiliation(s)
- A Garcia-Gonzalez
- Department of Biology, PO Box 23360, University of Puerto Rico - Rio Piedras, San Juan 00931, Puerto Rico
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Marengo MF, Waimann CA, Achaval SD, Zhang H, Garcia-Gonzalez A, Richardson MN, Reveille JD, Suarez-Almazor ME. Measuring therapeutic adherence in systemic lupus erythematosus with electronic monitoring. Lupus 2012; 21:1158-65. [DOI: 10.1177/0961203312447868] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Objective: We used an electronic monitoring system to quantify adherence to prescribed oral therapies by patients with systemic lupus erythematosus (SLE). Methods: Participants were included from a larger longitudinal study cohort of 110 patients recruited from publicly-funded rheumatology clinics, 78 of whom agreed to have their SLE drug therapy electronically monitored for two years with the Medication Events Monitoring System (MEMS®, AARDEX Group). Adherence was determined as the percentage of days (weeks for methotrexate) the patient took the medication as prescribed by the physician. Collected data included SLEDAI; SLICC damage index for SLE (SDI); medical outcome study social support survey (MOS-SSS); Center for Epidemiologic Studies depression scale (CESD); and quality of life (SF-12). Results: Ninety percent of the cohort was female, 45% were Hispanic, and 49% were African-American. Mean age was 36.3 years, disease duration was 5.9 years, SLEDAI score was 3.2, and SDI score was 0.9. Adherence was 62% for all drugs combined and did not differ significantly for individual medications. Patients with more depression ( p < 0.02), and higher number of pills taken daily ( p < 0.02) were more likely to be non-adherent. Only one-fourth of the patients had an average adherence of ≥80%; these patients had a better mental component score (SF-12) at 24 months than non-adherent patients ( p < 0.01). Conclusions: Electronic monitoring demonstrated that only one-fourth of the patients had an adherence rate ≥80%. Polypharmacy and depression were associated with non-adherence.
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Affiliation(s)
- MF Marengo
- The University of Texas MD Anderson Cancer Center, USA
| | - CA Waimann
- The University of Texas MD Anderson Cancer Center, USA
| | - S de Achaval
- The University of Texas MD Anderson Cancer Center, USA
| | - H Zhang
- The University of Texas MD Anderson Cancer Center, USA
| | | | - MN Richardson
- The University of Texas MD Anderson Cancer Center, USA
| | - JD Reveille
- The University of Texas Medical School at Houston, USA
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Williams LA, Garcia-Gonzalez A, Ault P, Mendoza TR, Cleeland CS, Mobley GM, Williams JL, Cortes JE. A new symptom measure in chronic myeloid leukemia. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.e19545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Gilmore KR, Trent JC, Garcia-Gonzalez A, Williams JL, Cleeland CS, Pisters PWT, Williams LA. Symptom burden in gastrointestinal stromal tumors (GIST). J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.e16594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Palos GR, Mendoza TR, Liao KE, Garcia-Gonzalez A, Hahn K, Nazario LA, Lynch GR, Anderson KO, Wang XS, Cleeland CS. Predictors of high symptom severity in caregivers of underserved minority cancer patients. J Clin Oncol 2010. [DOI: 10.1200/jco.2010.28.15_suppl.9097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Garcia-Gonzalez A, Flores-Vazquez AL, Maldonado E, Rosa APBDL, Ruiz-Garcia J. Globulin 11S and Its Mixture with l-Dipalmitoylphosphatidylcholine at the Air/Liquid Interface. J Phys Chem B 2009; 113:16547-56. [DOI: 10.1021/jp907443x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- A. Garcia-Gonzalez
- Institute of Physics, Autonomous University of San Luis Potosi, Álvaro Obregón 64, 78000 San Luis Potosí, S.L.P., México; CINVESTAV-IPN-Mérida, Antigua carretera Mérida-Progreso km 6, 97310 Mérida, Yucatán, Mexico; and Institute for Scientific and Technological Research at San Luis Potosi, Camino a la Presa San José s/n, Lomas 4a Sección, 78231 San Luís Potosí, S.L.P., México
| | - A. L. Flores-Vazquez
- Institute of Physics, Autonomous University of San Luis Potosi, Álvaro Obregón 64, 78000 San Luis Potosí, S.L.P., México; CINVESTAV-IPN-Mérida, Antigua carretera Mérida-Progreso km 6, 97310 Mérida, Yucatán, Mexico; and Institute for Scientific and Technological Research at San Luis Potosi, Camino a la Presa San José s/n, Lomas 4a Sección, 78231 San Luís Potosí, S.L.P., México
| | - E. Maldonado
- Institute of Physics, Autonomous University of San Luis Potosi, Álvaro Obregón 64, 78000 San Luis Potosí, S.L.P., México; CINVESTAV-IPN-Mérida, Antigua carretera Mérida-Progreso km 6, 97310 Mérida, Yucatán, Mexico; and Institute for Scientific and Technological Research at San Luis Potosi, Camino a la Presa San José s/n, Lomas 4a Sección, 78231 San Luís Potosí, S.L.P., México
| | - A. P. Barba de la Rosa
- Institute of Physics, Autonomous University of San Luis Potosi, Álvaro Obregón 64, 78000 San Luis Potosí, S.L.P., México; CINVESTAV-IPN-Mérida, Antigua carretera Mérida-Progreso km 6, 97310 Mérida, Yucatán, Mexico; and Institute for Scientific and Technological Research at San Luis Potosi, Camino a la Presa San José s/n, Lomas 4a Sección, 78231 San Luís Potosí, S.L.P., México
| | - J. Ruiz-Garcia
- Institute of Physics, Autonomous University of San Luis Potosi, Álvaro Obregón 64, 78000 San Luis Potosí, S.L.P., México; CINVESTAV-IPN-Mérida, Antigua carretera Mérida-Progreso km 6, 97310 Mérida, Yucatán, Mexico; and Institute for Scientific and Technological Research at San Luis Potosi, Camino a la Presa San José s/n, Lomas 4a Sección, 78231 San Luís Potosí, S.L.P., México
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Lopez-Olivo MA, Gonzalez-Lopez L, Garcia-Gonzalez A, Villa-Manzano AI, Cota-Sanchez AR, Salazar-Paramo M, Varon-Villalpando E, Cardona-Muñoz EG, Gamez-Nava JI. Factors associated with hyperhomocysteinaemia in Mexican patients with rheumatoid arthritis. Scand J Rheumatol 2009; 35:112-6. [PMID: 16641044 DOI: 10.1080/03009740510026922] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND Hyperhomocysteinaemia is a factor related to the development of atherosclerosis in rheumatoid arthritis (RA). However, Hispanics with RA develop high rates of coronary disease; there are no studies about the frequency and factors related to high levels of homocysteine in Mexican patients. OBJECTIVE To evaluate the prevalence and characteristics associated with hyperhomocysteinaemia in Mexican patients with RA. METHODS One hundred and fifty-two patients with RA were compared with 153 controls. The assessment in RA included clinical characteristics, disease activity (RADAR), functioning (HAQ-Di and global functional status), comorbidity, and radiological damage. Laboratory determinations included total serum homocysteine (tHcy), erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), rheumatoid factor (RF), and lipid profile. RESULTS Median levels of homocysteine were higher in RA compared with controls (11.3 vs. 9.3, p<0.001). Twenty per cent of the patients with RA had hyperhomocysteinaemia (>15 micromol/L) compared with 6% in controls (p<0.001). There was statistical association between hyperhomocysteinaemia in RA with male gender (p<0.001), impairment in the global functional status (p = 0.004), higher radiological damage (p = 0.001), and CRP (p = 0.04). There was no association with RADAR, HAQ-Di, or RF, methotrexate dose or duration of use. In the adjusted multivariate model, the two variables associated with higher risk for hyperhomocysteinaemia were male gender (OR = 4.2, 95% CI 2 to 12, p = 0.006) and higher radiological damage (III-IV) (OR = 3.4, 95% CI 1.3 to 9, p = 0.01). CONCLUSIONS Our data show a high prevalence of hyperhomocysteinaemia in Mexican patients with RA. More effort is required to evaluate and treat earlier this coronary risk factor.
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Affiliation(s)
- M A Lopez-Olivo
- Department of Internal Medicine, Rheumatology, Hospital General Regional 110, Instituto Mexicano del Seguro Social (IMSS), Guadalajara, Mexico
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Villa-Manzano AI, Gamez-Nava JI, Salazar-Paramo M, Valera-Gonzalez IC, Garcia-Gonzalez A, Garcia-Gonzalez G, Morales-Romero J, Lopez-Olivo A, Galvan-Ramirez LM, Ruiz-Ruvalcaba R, Cardona-Muñoz EG, Gonzalez-Lopez L. Serum concentrations of aminoterminal propeptide of type III procollagen and propeptide of human type I procollagen in systemic lupus erythematosus. Rheumatol Int 2005; 26:712-6. [PMID: 16231121 DOI: 10.1007/s00296-005-0064-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2005] [Accepted: 09/09/2005] [Indexed: 11/28/2022]
Abstract
The purpose of this study was to assess the association between the serum levels of aminoterminal propeptide of type III procollagen (PIIINP) and carboxyterminal propeptide of type I procollagen (PICP) with disease activity and damage in systemic lupus erythematosus (SLE). Thirty-three patients with SLE were compared with 31 controls. The assessment in SLE included disease activity indices (SLEDAI, MEX-SLEDAI) and damage index (SLICC/ACR). PIIINP and PICP were measured by radioimmunoassay. Compared with controls, mean levels of PIIINP were higher in SLE (2.9+/-1.8 vs. 1.8+/-1.2, P=0.006). PICP was also increased in SLE versus controls (163+/-94 vs. 102+/-62, P=0.007). PIIINP was correlated with SLICC/ACR (r=0.33, P=0.048). No correlation was observed between PICP and PIIINP with other clinical or therapeutic variables. These preliminary data suggests a role of PIIINP as a marker for chronic damage. Follow-up studies are required to evaluate its utility in predicting future damage.
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Affiliation(s)
- A I Villa-Manzano
- Division of Musculoskeletal, Autoinmune and Metabolic Diseases, Clinical Epidemiology Research Unit, Hospital de Especialidades del Centro Medico Nacional de Occidente, IMSS, Guadalajara, Jalisco, México, and Baylor College of Medicine, Houston, TX, USA
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Abstract
Familial Mediterranean fever (FMF) is a disease of unknown etiology and pathogenesis. In addition to fever, arthritis is among its most frequent manifestations. The arthritis of FMF is typically an acute, episodic, self-limited process with no sequelae. The radiographic features of FMF arthritis are usually limited to transient, often severe osteoporosis. Synovial fluid analysis many mimic septic arthritis with very high white blood cell counts; cultures are uniformly negative. The course of FMF is almost always benign, with no residual articular incapacity. Some patients, limited to certain ethnic groups, develop renal amyloidosis. Colchicine therapy modifies the natural history of the disease by decreasing the attack frequency and preventing amyloid deposition. At present, a lipocortin deficiency appears to be the likely candidate for a pathogenic mechanism. An unusual case with dramatic periarticular features (periostitis) and a protracted course with an excellent response to synovectomies is reported here. There is no explanation for the exuberant periarticular bone formation noted in this case, but a variety of recently discovered growth factors may be implicated.
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Garcia-Gonzalez A, Resnick D. Is depression of the medial tibial plateau more frequent in pyrophosphate arthropathy than in osteoarthritis? J Rheumatol Suppl 1992; 19:182-3. [PMID: 1313505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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