Search Results - "Almaden, Y."

Magnesium modulates parathyroid hormone secretion and upregulates parathyroid receptor expression at moderately low calcium concentration by Rodríguez-Ortiz, Maria E, Canalejo, Antonio, Herencia, Carmen, Martínez-Moreno, Julio M, Peralta-Ramírez, Alan, Perez-Martinez, Pablo, Navarro-González, Juan F, Rodríguez, Mariano, Peter, Mirjam, Gundlach, Kristina, Steppan, Sonja, Passlick-Deetjen, Jutta, Muñoz-Castañeda, Juan R, Almaden, Yolanda

“…The interest on magnesium (Mg) has grown since clinical studies have shown the efficacy of Mg-containing phosphate binders. However, some concern has arisen…”
Get full text

The calcimimetic R-568 increases vitamin D receptor expression in rat parathyroid glands by Rodriguez, M E, Almaden, Y, Cañadillas, S, Canalejo, A, Siendones, E, Lopez, I, Aguilera-Tejero, E, Martin, D, Rodriguez, M

“…We previously demonstrated that extracellular calcium regulates vitamin D receptor (VDR) expression by parathyroid cells. Since the calcimimetic R-568…”
Get more information

Vitamin E protection of obesity-enhanced vascular calcification in uremic rats by Peralta-Ramírez, A, Montes de Oca, A, Raya, A I, Pineda, C, López, I, Guerrero, F, Diez, E, Muñoz-Castañeda, J R, Martinez, J, Almaden, Y, Rodríguez, M, Aguilera-Tejero, E

“…This study aimed to determine the extent of extraskeletal calcification in uremic Zucker rats, by comparing obese and lean phenotypes, and to evaluate the…”
Get more information

High phosphate level directly stimulates parathyroid hormone secretion and synthesis by human parathyroid tissue in vitro by ALMADEN, Y, HERNANDEZ, A, TORREGROSA, V, CANALEJO, A, SABATE, L, CRUZ, L. F, CAMPISTOL, J. M, TORRES, A, RODRIGUEZ, M

“…Phosphate retention plays an important role in the pathogenesis of secondary hyperparathyroidism in patients with renal failure. In in vitro studies, high…”
Get full text

Proliferation in hyperplastic human and normal rat parathyroid glands: Role of phosphate, calcitriol, and gender by Almaden, Yolanda, Felsenfeld, Arnold J., Rodriguez, Mariano, Cañadillas, Sagrario, Luque, Fernando, Bas, Alicia, Bravo, Juan, Torregrosa, Vicente, Palma, Alfonso, Ramos, Blanca, Sanchez, Carmen, Martin-Malo, Alejandro, Canalejo, Antonio

“…Proliferation in hyperplastic human and normal rat parathyroid glands: Role of phosphate, calcitriol, and gender. Parathyroid gland hyperplasia develops in…”
Get full text

Dietary fat may modulate adipose tissue homeostasis through the processes of autophagy and apoptosis by Camargo, A., Rangel-Zúñiga, O. A., Alcalá-Díaz, J., Gomez-Delgado, F., Delgado-Lista, J., García-Carpintero, S., Marín, C., Almadén, Y., Yubero-Serrano, E. M., López-Moreno, J., Tinahones, F. J., Pérez-Martínez, P., Roche, H. M., López-Miranda, J.

“…Purpose Obesity increases the risk of cardiovascular disease, type 2 diabetes mellitus and cancer development. Autophagy and apoptosis are critical processes…”
Get full text

Both duration and degree of hypercalcemia influence the reduced parathyroid hormone response to hypocalcemia after hypercalcemia by Bas, S, Bas, A, Almaden, Y, Ballesteros, E, Rodriguez, M, Aguilera-Tejero, E

“…The stimulation of parathyroid hormone (PTH) secretion by hypocalcemia is reduced when hypocalcemia is preceded by hypercalcemia. The present study…”
Get full text

282 NUCLEAR TRANSLOCATION OF ß-CATENIN DURING MESENCHYMAL STEM CELLS DIFFERENTIATION INTO HEPATOCYTES IS ASSOCIATED WITH LIVER CANCER-RELATED PROTEINS by Herencia, C, Martinez-Moreno, J.M, Herrera, C, Corrales, F, Espejo, I, Barco, M, Almaden, Y, de la Mata, M, Rodriguez-Ariza, A, Munoz-Castaneda, J.R

Get full text

Hysteresis of the PTH‐calcium curve during hypocalcemia in the dog: Effect of the rate and linearity of calcium decrease and sequential episodes of hypocalcemia by Aguilera‐Tejero, E., Sánchez, J., Almadén, Y., Mayer‐Valor, R., Rodríguez, M., Felsenfeld, A. J.

“…Several studies have shown the presence of hysteresis of the parathyroid hormone (PTH)‐calcium relationship in both normal humans and hemodialysis patients;…”
Get full text

The PTH-calcium relationship during a range of infused PTH doses in the parathyroidectomized rat by Berdud, I, Martin-Malo, A, Almaden, Y, Aljama, P, Rodriguez, M, Felsenfeld, A J

“…To establish the PTH dosage that maintains normal mineral homeostasis in the PTX rat, a series of doses of rat 1-34 PTH were infused via a subcutaneously…”
Get full text

The effect of a high phosphorus diet on the parathyroid cell cycle by CANALEJO, A, HERNANDEZ, A, ALMADEN, Y, CONCEPCION, M. T, FELSENFELD, A, TORRES, A, RODRIGUEZ, M

“…High extracellular phosphorus directly increases parathyroid hormone (PTH) secretion and gene transcription. The present study evaluates the effect of high…”
Get full text

Evidence for adaptation of the entire PTH-calcium curve to sustained changes in the serum calcium in haemodialysis patients by BORREGO, M. J, FELSENFELD, A. J, MARTIN-MALO, A, ALMADEN, Y, CONCEPCION, M. T, ALJAMA, P, RODRIGUEZ, M

“…Based on in vitro studies, the set point of calcium has often been considered to represent an intrinsic property of parathyroid gland function. However, in the…”
Get full text

Relative effects of PTH and dietary phosphorus on calcitriol production in normal and azotemic rats by Tallon, Serafin, Berdud, Isabel, Hernandez, Alexis, Concepcion, M. Teresa, Almaden, Yolanda, Torres, Armando, Martin-Malo, Alejandro, Felsenfeld, Arnold J., Aljama, Pedro, Rodriguez, Mariano

“…Relative effects of PTH and dietary phosphorus on calcitriol production in normal and azotemic rats. In moderate renal failure, the serum calcitriol level is…”
Get full text

A reduced PTH response to hypocalcemia after a short period of hypercalcemia: a study in dogs by Sánchez, J, Aguilera-Tejero, E, Estepa, J C, Almadén, Y, Rodríguez, M, Felsenfeld, A J

“…The relationship between PTH and calcium is best represented as a sigmoidal curve. In the normal animal and human, basal PTH is positioned at approximately 25%…”
Get more information

Effect of calcitriol and age on recovery from hypocalcemia in hemodialysis patients by Borrego, Maria J., Martin-Malo, Alejandro, Almaden, Yolanda, Rodriguez, Mariano, Aljama, Pedro, Felsenfeld, Arnold J.

“…Calcitriol is used to treat hyperparathyroidism in hemodialysis patients. Calcitriol treatment, either through a reduction in parathyroid hormone (PTH) levels…”
Get full text

Mineral metabolism in healthy geriatric dogs by Aguilera-Tejero, E., López, I., Estepa, J.C., Mayer-Valor, R., Almadén, Y., Concepción, M.T., Felsenfeld, A.J., Rodriguez, M.

“…To study mineral metabolism in geriatric dogs, parathyroid hormone, calcitriol, ionised calcium, phosphorus, blood urea nitrogen and creatinine were evaluated…”
Get full text

High‐phosphate‐induced calcification is related to SM22α promoter methylation in vascular smooth muscle cells by de Oca, Addy Montes, Madueño, Juan A, Martinez‐Moreno, Julio M, Guerrero, Fatima, Muñoz‐Castañeda, Juan, Rodriguez‐Ortiz, Marien E, Mendoza, Francisco J, Almaden, Yolanda, Lopez, Ignacio, Rodriguez, Mariano, Aguilera‐Tejero, Escolastico

“…Hyperphosphatemia is closely related to vascular calcification in patients with chronic kidney disease. Vascular smooth muscle cells (VSMCs) exposed to high…”
Get full text

Heterogeneity of growth hormone (GH)-producing cells in aging male rats: ultrastructure and GH gene expression in somatotrope subpopulations by Dobado-Berrios, Pablo M., Ruíz-Navarro, Antonio, Almadén, Yolanda, Malagón, María M., Garrido, JoséC., Ramírez-Gutiérrez, JoséL., Gracia-Navarro, Francisco

“…Mammalian aging is characterized by a decline in the content and release of pituitary growth hormone (GH). However, few studies on the age-related changes in…”
Get full text

Abnormal calcaemic response to PTH in the uraemic rat without secondary hyperparathyroidism by BERDUD, I, MARTIN-MALO, A, ALMADEN, Y, TALLON, S, CONCEPCION, M. T, TORRES, A, FELSENFELD, A, ALJAMA, P, RODRIGUEZ, M

“…Skeletal resistance to the calcaemic action of parathyroid hormone (PTH) is an important pathogenic factor in the development of secondary hyperparathyroidism…”
Get full text

Dynamics of calcium-regulated PTH secretion in secondary hyperparathyroidism: comparison between "in vivo" vs. "in vitro" responses by Durán, C E, Torregrosa, J V, Almadén, Y, Canalejo, A, Campistol, J M, Rodríguez, M

“…To compare the dynamics in vivo and in vitro calcium-PTH release of uremic patients with secondary hyperparathyroidism and their hyperplasic parathyroid glands…”
Get full text