Video Experimental Relacionado
Updated: Jul 19, 2026
09:57
Intranasal Delivery of Therapeutic Stem Cells to Glioblastoma in a Mouse Model
Published on: June 4, 2017
11.6K
Conduciendo el glioblastoma a beber
1Departments of Developmental Neurobiology and Oncology, St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105, USA.
Cell
|April 15, 2014
Resumen
Los investigadores identificaron nuevos compuestos que alteran las células del glioblastoma, ofreciendo un nuevo tratamiento potencial para este agresivo tumor cerebral y revelando una inusual vía de muerte celular.
Área de la Ciencia:
- Oncología Oncología.
- Biología Molecular Biología Molecular
- Biología celular Biología celular.
Sus antecedentes:
- Las terapias dirigidas al cáncer que se centran en proteínas mutadas muestran tasas de éxito variables.
- El glioblastoma es una forma agresiva de cáncer cerebral con opciones de tratamiento efectivas limitadas.
Objetivo del estudio:
- Para detectar compuestos que modifican el fenotipo de las células de glioblastoma.
- Identificar nuevas estrategias terapéuticas para el glioblastoma.
- Para dilucidar un mecanismo poco convencional de la muerte celular del cáncer.
Principales métodos:
- Cribado fenotípico de compuestos contra células de glioblastoma.
- Análisis de las respuestas celulares a los compuestos identificados.
- Investigación de las vías subyacentes de muerte celular.
Principales resultados:
- Identificación de compuestos específicos que alteran el fenotipo de las células de glioblastoma.
- Descubrimiento de un nuevo mecanismo de muerte celular inducido por estos compuestos.
- Potenciales implicaciones terapéuticas para el tratamiento del glioblastoma.
Conclusiones:
- El estudio presenta una nueva vía prometedora para el tratamiento del glioblastoma.
- Los compuestos identificados y el mecanismo de muerte celular merecen una mayor investigación.
- Esta investigación podría conducir a terapias más efectivas para los tumores cerebrales agresivos.
Videos de Conceptos Relacionados
02:00Alcohols from Carbonyl Compounds: Grignard Reaction
Grignard reagents are one of the most commonly used reagents used to synthesize alcohols from carbonyl compounds. Grignard reagents are organomagnesium halides with a highly polar carbon–magnesium bond. Due to the partial ionic nature of the C–Mg bond, the carbon functions as a strong nucleophile and attacks electrophiles like carbonyl carbon.
Magnesium from the reagent coordinates with carbonyl oxygen, further reducing the carbonyl carbon's electron density. Thus, the carbonyl carbon is a...
Magnesium from the reagent coordinates with carbonyl oxygen, further reducing the carbonyl carbon's electron density. Thus, the carbonyl carbon is a...
02:31Protection of Alcohols
This lesson delves into the concept of protection and deprotection of a functional group fundamental to synthetic organic chemistry. These phenomena are explained in the context of aliphatic and aromatic alcohols.
Protection
It defines a protecting group as the masking agent to make the more reactive species inert to a given set of conditions. This concept is depicted via the illustration of liquid flow through different outlets in an assembly of pipes. The analogy helps to understand the role...
Protection
It defines a protecting group as the masking agent to make the more reactive species inert to a given set of conditions. This concept is depicted via the illustration of liquid flow through different outlets in an assembly of pipes. The analogy helps to understand the role...
01:15Acid Halides to Alcohols: Grignard Reaction
Organomagnesium halides, commonly known as Grignard reagents, convert acid halides to tertiary alcohols. The reaction requires two equivalents of the Grignard reagent and proceeds via a ketone intermediate.
Grignard reagents are a source of carbanions and function as nucleophiles. The mechanism begins with the nucleophilic attack by the carbanion at the carbonyl carbon of the acid halide to form a tetrahedral intermediate. Next, the carbonyl group is re-formed, and the halide ion departs,...
Grignard reagents are a source of carbanions and function as nucleophiles. The mechanism begins with the nucleophilic attack by the carbanion at the carbonyl carbon of the acid halide to form a tetrahedral intermediate. Next, the carbonyl group is re-formed, and the halide ion departs,...
01:08Esters to Alcohols: Grignard Reaction
The reaction of an ester with a Grignard reagent, followed by hydrolysis of the magnesium alkoxide salt in aqueous acid, yields a tertiary alcohol. In the case of formate esters, secondary alcohols are formed.
The reaction requires two equivalents of the Grignard reagent and introduces two identical alkyl groups, derived from the Grignard reagent, bonded to the hydroxyl-bearing carbon of the alcohol.
The reaction follows the typical nucleophilic acyl substitution mechanism. The Grignard...
The reaction requires two equivalents of the Grignard reagent and introduces two identical alkyl groups, derived from the Grignard reagent, bonded to the hydroxyl-bearing carbon of the alcohol.
The reaction follows the typical nucleophilic acyl substitution mechanism. The Grignard...
01:25Microbes in Beverage Production
Alcoholic beverages such as wine, beer, and spirits are the products of microbial fermentation processes that transform simple sugars into ethanol and a wide array of complex flavor compounds. These transformations rely on the metabolic activities of specific yeasts and bacteria, which are selected and controlled to yield the desired beverage characteristics.Wine Fermentation and MaturationWine production begins with the crushing of grapes to release juice and pulp, forming a must that is...
01:27Production of Alcohol
Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...