Cefalea, retinosis pigmentaria y vitamina A

[Gene therapy against retinosis pigmentary].

Devising and validating a headache diary in a series of patients with chronic daily headache from colombia Diseño y validación de un diario de cefalea en pacientes con cefalea crónica diaria en Colombia

1 Neurologist at Hospital Santa Clara E.S.E., Bogotá, Colombia; 2 Neurologist at Hospital El Tunal, E.S.E. and Clinica Carlos Lleras Restrepo, Bogotá, Colombia; 3 Resident of Clinical Neurology at the Universidad Nacional de Colombia, Bogotá, Colombia; 4 Neurologist at Clinica Carlos Lleras Restrepo, Bogotá, Colombia; 5 Neurologist at Clinica Carlos Lleras Restrepo; Assistant Professor at the U...

AntiproliferativeEffect of VitaminA on XenotransplantedCaMa-15 Cells1

In vitro and in vivo investigations have shown that nontoxic treatment with vitamin A (retinol) has an inhibitory effect on the growth of malignant cells. The tumorigenic CaMa-15 cell line responds to both retinol and retinole acid under both anchoragedependent and anchorage-independent conditions, reducing growth or colony formation by at least 50%. To date, there have been few studies on the ...

Effects of VitaminA and Dexamethasoneon CollagenDegradationin Mouse MammaryAdenocarcinoma1

Collagenases and other neutral proteases in tumors may facilitate tumor extension, invasion, and subsequent metastasis. We report the effects of vitamin A and dexamethasone, known inhibitors of collagenase production in vitro, on the collagen metabolism of mouse mammary adenocarcinoma and its cap sule, borne by C3H/HeJ mice. The weight of the capsule was about 4% of the tumor, yet the total col...

Preventive treatment of migraine

Recibido: 09/07/08. Revisado: 11/07/08. Aceptado: 23/07/08. Ninan T. Mathew. director de la Clínica de Cefalea de Houston. Profesor de Neurología en la Escuela de Medicina Universidad de Texas Houston. Presidente de la Sociedad Internacional de Cefalea, de la sección de cefalea de la Academia Americana de Neurología y del Consejo Americano para educación en cefalea. Es autor de 200 publicacione...