6 research outputs found
Plant regeneration of Rhabdadenia Ragonesei (Apocynaceae) by in vitro culturing of leaf explants
Se regeneraron plantas de Rhabdadenia Ragonesei Woodson (Apocynaceae) mediante el cultivo in vitro de explantes foliares en condiciones ambientales controladas. El procedimiento consisti贸 en: 1) Desinfecci贸n de las hojas por inmersi贸n en etanol al 70% (10 s) seguida de inmersi贸n en NaOCl al 1,1% (15 min) y lavado tres veces con agua destilada est茅ril. 2) Inducci贸n de callos y yemas mediante el cultivo de explantes foliares en el medio de Murashige y Skoog (MS) + 3 mg/L de benciladenina (BAP). 3) Subcultivo de callos y yemas en MS + 1 mg/L de BAP y 4) Enraizamiento de los v谩stagos obtenidos en MS + 0,5 mg/L de 谩cido naftalenac茅tico.Plants of Rhabdadenia Ragonesei Woodson (Apocynaceae) were regenerated in vitro from leaves explants. The procedure employed includes: 1) Surface sterilization of leaves by immersion in 70% ethanol (10 s) followed by 1,1%NaOCl (15 min) and three wash with sterile distilled water. 2) Callus and buds induction by culture on Murashige and Skoog medium (MS) + 3 mg/L benzyladenine (BAP). 3) Subculture of callus and buds on MS + 1 mg/L BAP, and 4) Rooting on MS + 0.5 mg/L naftalenacetic acid.Fil: Flachsland, Eduardo Alberto. Consejo Nacional de Investigaciones Cient铆ficas y T茅cnicas. Centro Cient铆fico Tecnol贸gico Conicet - Nordeste. Instituto de Bot谩nica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Bot谩nica del Nordeste; ArgentinaFil: Schinini Cacace, Aurelio. Consejo Nacional de Investigaciones Cient铆ficas y T茅cnicas. Centro Cient铆fico Tecnol贸gico Conicet - Nordeste. Instituto de Bot谩nica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Bot谩nica del Nordeste; ArgentinaFil: Terada, Graciela. Consejo Nacional de Investigaciones Cient铆ficas y T茅cnicas. Centro Cient铆fico Tecnol贸gico Conicet - Nordeste. Instituto de Bot谩nica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Bot谩nica del Nordeste; ArgentinaFil: Furst, Graciela. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias; ArgentinaFil: Mroginski, Luis Amado. Consejo Nacional de Investigaciones Cient铆ficas y T茅cnicas. Centro Cient铆fico Tecnol贸gico Conicet - Nordeste. Instituto de Bot谩nica del Nordeste. Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias. Instituto de Bot谩nica del Nordeste; Argentin
Plant regeneration of <i>Rhabdadenia Ragonesei</i> (Apocynaceae) by <i>in vitro</i> culturing of leaf explants
Plants of Rhabdadenia Ragonesei Woodson (Apocynaceae) were regenerated in vitro from leaves explants. The procedure employed includes: 1) Surface sterilization of leaves by immersion in 70% ethanol (10 s) followed by 1,1%NaOCl (15 min) and three wash with sterile distilled water. 2) Callus and buds induction by culture on Murashige and Skoog medium (MS) + 3 mg/L benzyladenine (BAP). 3) Subculture of callus and buds on MS + 1 mg/L BAP, and 4) Rooting on MS + 0.5 mg/L naftalenacetic acid</span
Regeneraci贸n de plantas de Rhabdadenia Ragonesei (Apocynaceae) por cultivo in vitro de explantes foliares
Plants of Rhabdadenia Ragonesei Woodson (Apocynaceae) were regenerated in vitro from leaves explants. The procedure employed includes: 1) Surface sterilization of leaves by immersion in 70% ethanol (10 s) followed by 1,1%NaOCl (15 min) and three wash with sterile distilled water. 2) Callus and buds induction by culture on Murashige and Skoog medium (MS) + 3 mg/L benzyladenine (BAP). 3) Subculture of callus and buds on MS + 1 mg/L BAP, and 4) Rooting on MS + 0.5 mg/L naftalenacetic acidSe regeneraron plantas de Rhabdadenia Ragonesei Woodson (Apocynaceae) mediante el cultivo in vitro de explantes foliares en condiciones ambientales controladas. El procedimiento consistió en: 1) Desinfección de las hojas por inmersión en etanol al 70% (10 s) seguida de Inmersión en NaOCl al 1,1% (15 min) y lavado tres veces con agua destilada estéril. 2) Inducción de callos y yemas mediante el cultivo de explantes foliares en el medio de Murashige y Skoog (MS) + 3 mg/L de benciladenina (BAP). 3) Subcultivo de callos y yemas en MS + 1 mg/L de BAP y 4) Enraizamiento de los vastagos obtenidos en MS + 0,5 mg/L de ácido naftalenacético
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Islet Autoimmunity is Highly Prevalent and Associated With Diminished 尾-Cell Function in Patients With Type 2 Diabetes in the Grade Study.
Islet autoimmunity may contribute to 尾-cell dysfunction in type 2 diabetes (T2D). Its prevalence and clinical significance have not been rigorously determined. In this ancillary study to the Glycemia Reduction Approaches in Diabetes-A Comparative Effectiveness (GRADE) Study, we investigated the prevalence of cellular and humoral islet autoimmunity in patients with T2D duration 4路0卤3路0 y, HbA1c 7路5卤0路5% on metformin alone. We measured T cell autoreactivity against islet proteins, islet autoantibodies against GAD65, IA2, ZnT8, and 尾-cell function. Cellular islet autoimmunity was present in 41路3%, humoral islet autoimmunity in 13路5%, and both in 5路3%. 尾-cell function calculated as iAUC-CG and 螖C-peptide(0- 30)/螖glucose(0-30) from an oral glucose tolerance test was lower among T cell-positives (T+) than T cell-negatives (T-) using two different adjustments for insulin sensitivity (iAUC-CG: 13路2% [95% CI 0路3, 24路4%] or 11路4% [95% CI 0路4, 21路2%] lower; 螖C-peptide(0-30)/螖glucose(0-30)) 19% [95% CI 3路1, 32路3%] or 17路7% [95% CI 2路6, 30路5%] lower). T+ patients had 17% higher HbA1c (95% CI 0路07, 0路28) and 7路7 mg/dL higher fasting plasma glucose levels (95% CI 0路2,15路3) than T- patients. We conclude that islet autoimmunity is much more prevalent in T2D patients than previously reported. T cell-mediated autoimmunity is associated with diminished 尾-cell function and worse glycemic control