Search Results - "VALDEZ, R. A."

Stress in Yucatan spider monkeys: effects of environmental conditions on fecal cortisol levels in wild and captive populations by Rangel-Negrín, A, Alfaro, J.L, Valdez, R.A, Romano, M.C, Serio-Silva, J.C

“…In the Yucatán Peninsula, spider monkeys Ateles geoffroyi yucatanensis are generally found in two contrasting conditions: large tracts of conserved forest or…”
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Steroidogenic capacity of Trypanosoma cruzi trypomastigotes by Vacchina, P., Valdéz, R.A., Gómez, Y., Revelli, S., Romano, M.C.

“…American Trypanosomiasis is caused by the hemoflagellate Trypanosoma cruzi ( T. cruzi) and affects millions of persons causing variable degrees of digestive…”
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Prospective analysis of the insulin-resistance syndrome (syndrome X) by Haffner, S. M., Valdez, R. A., Hazuda, H. P., Mitchell, B. D., Morales, P. A., Stern, M. P.

“…Prospective analysis of the insulin-resistance syndrome (syndrome X). S M Haffner , R A Valdez , H P Hazuda , B D Mitchell , P A Morales and M P Stern…”
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Metabolism of steroid hormones by Taenia solium and Taenia crassiceps cysticerci by Jiménez, P., Valdez, R.A., Romano, M.C.

“…Previous in vitro experiments showed that both, Taenia crassiceps and Taenia solium cysticerci have the ability to metabolize exogenous androstenedione to…”
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The effect of glucocorticoids on sex steroid synthesis in cultured Taenia crassiceps Wake Forest University (WFU) cysticerci by Hinojosa, L, Valdez, R A, Salvador, V, Rodríguez, A G, Willms, K, Romano, M C

“…We have shown previously that cultured Taenia crassiceps Wake Forest University (WFU) and Taenia solium cysticerci, as well as the adult worms, synthesize sex…”
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Dutasteride combined with androgen receptor antagonists inhibit glioblastoma U87 cell metabolism, proliferation, and invasion capacity: Androgen regulation by Orozco, M., Valdez, R.A., Ramos, L., Cabeza, M., Segovia, J., Romano, M.C.

“…[Display omitted] •Dihydrotestosterone stimulates the glioblastoma cell metabolism and proliferation.•Dihydrotestosterone and testosterone but not…”
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Secular Increases in Relative Weight and Adiposity Among Children Over Two Decades: The Bogalusa Heart Study by Freedman, David S, Srinivasan, Sathanur R, Valdez, Rodolfo A, Williamson, David F, Berenson, Gerald S

“…To examine trends in relative weight and obesity among 5- to 24-year-olds between 1973 and 1994. A panel design consisting of seven cross-sectional surveys of…”
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Obesity, body fat distribution and sex hormones in men by Haffner, S M, Valdez, R A, Stern, M P, Katz, M S

“…An unfavourable body fat distribution may cause metabolic abnormalities including diabetes and dyslipidemia. These effects may be mediated by alterations in…”
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Steroid hormone production by parasites: the case of Taenia crassiceps and Taenia solium cysticerci by Romano, M.C., Valdéz, R.A., Cartas, A.L., Gómez, Y., Larralde, C.

“…Many examples of reciprocal endocrine interactions between parasites and hosts have been found in insects, arthropods and mammals. Cysticercosis produced by…”
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Sex steroids and parasitism: Taenia crassiceps cisticercus metabolizes exogenous androstenedione to testosterone in vitro by Gomez, Y, Valdez, R.A, Larralde, C, Romano, M.C

“…Sex hormones are known to modulate immune responses and may be implicated in sex associated susceptibilities to infections. Taenia crassiceps cysticerci grow…”
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Age-Related Innate Immune Response in Calves to Babesia bovis Involves IL-12 Induction and IL-10 Modulation by GOFF, W. L., JOHNSON, W. C., TUO, W., VALDEZ, R. A., PARISH, S. M., BARRINGTON, G. M., DAVIS, W. C.

“…: There is a strong innate immunity in calves to infection with Babesia bovis. Interleukin (IL)‐12 and IL‐10 have been shown in vitro to be important…”
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The synthesis of steroids by Taenia crassiceps WFU cysticerci and tapeworms is related to the developmental stages of the parasites by Patricio-Gómez, J.M., Valdez, R.A., Veloz, A., Aguilar-Vega, L., Zurabian, R., Romano, M.C.

“…•The developmental stage influences cysticerci 3H-DOC and testosterone synthesis.•Taenia crassiceps WFU tapeworms rapidly synthesized sex steroids and…”
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Drift and retention of pelagic spawning minnow eggs in a regulated river by Widmer, A. M, Fluder, J. J., III, Kehmeier, J. W, Medley, C. N, Valdez, R. A

“…Long‐distance drift of eggs and larvae has been identified as a possible cause of downstream displacement and poor recruitment of the endangered Rio Grande…”
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Is microalbuminuria part of the prediabetic state ? The Mexico City Diabetes Study by HAFFNER, S. M, GONZALES, C, VALDEZ, R. A, MYKKÄNEN, L, HAZUDA, H. P, MITCHELL, B. D, MONTERROSA, A, STERN, M. P

“…Microalbuminuria is associated with increased cardiovascular mortality in both diabetic and non-diabetic subjects. A number of studies have indicated that…”
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Decreased sex hormone-binding globulin predicts noninsulin-dependent diabetes mellitus in women but not in men by Haffner, S M, Valdez, R A, Morales, P A, Hazuda, H P, Stern, M P

“…Sex hormones may influence risk factors for noninsulin-dependent diabetes mellitus (NIDDM). Decreased sex hormone-binding globulin (SHBG; an indirect measure…”
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TCF7L2 and CCND1 polymorphisms and its association with colorectal cancer in Mexican patients by Rosales-Reynoso, M A, Arredondo-Valdez, A R, Juárez-Vázquez, C I, Wence-Chavez, L I, Barros-Núñez, P, Gallegos-Arreola, M P, Flores-Martínez, S E, Morán-Moguel, M C, Sánchez-Corona, J

“…Accumulative evidence suggests that alterations due to mutations or genetic polymorphisms in the TCF7L2 and CCND1 genes, which are components of the Wnt…”
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Incidence of NIDDM and impaired glucose tolerance in hypertensive subjects. The San Antonio Heart Study by Morales, P. A., Mitchell, B. D., Valdez, R. A., Hazuda, H. P., Stern, M. P., Haffner, S. M.

“…Incidence of NIDDM and impaired glucose tolerance in hypertensive subjects. The San Antonio Heart Study. P A Morales , B D Mitchell , R A Valdez , H P Hazuda ,…”
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Steroid synthesis by Taenia crassiceps WFU cysticerci is regulated by enzyme inhibitors by Aceves-Ramos, A, Valdez, R.A, Gaona, B, Willms, K, Romano, M.C

“…Highlights • Taenia crassiceps WFU steroidogenesis blockade by enzymatic inhibitors was studied. • Formestane significantly blocked androstenedione…”
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Taenia solium tapeworms synthesize corticosteroids and sex steroids in vitro by Valdez, R.A, Jiménez, P, Fernández Presas, A.M, Aguilar, L, Willms, K, Romano, M.C

“…Highlights • Tapeworms synthesize testosterone from tritiated progesterone. • Tapeworms increase testosterone synthesis if androstenedione was offered as the…”
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IL-4 and IL-10 inhibition of IFN-γ- and TNF-α-dependent nitric oxide production from bovine mononuclear phagocytes exposed to Babesia bovis merozoites by Goff, W.L, Johnson, W.C, Parish, S.M, Barrington, G.M, Elsasser, T.H, Davis, W.C, Valdez, R.A

“…The requirement for IFN-γ and/or TNF-α as co-stimulants with Babesia bovis merozoites for nitric oxide (NO) production was examined, as well as the regulatory…”
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