What are the main types of receptors and their functions in cellular signaling? Receptors linked to ion channels, which regulate the flow of ions i...
What are the main types of receptors and their functions in cellular signaling?
Receptors linked to ion channels, which regulate the flow of ions into and out of the cell, and are involved in fast synaptic transmission.
Receptors linked to G proteins, which activate intracellular enzymes and ion channels, and are involved in the regulation of second messengers.
Receptors linked to tyrosine kinases, which are involved in the control of cell growth and differentiation, and act indirectly by regulating gene transcription.
Intracellular receptors, which control gene transcription and are activated by ligands that penetrate the cell membrane.
Receptors linked to ion channels, which regulate the flow of ions into and out of the cell, and are involved in fast synaptic transmission.
Receptors linked to G proteins, which activate intracellular enzymes and ion channels, and are involved in the regulation of second messengers.
Receptors linked to tyrosine kinases, which are involved in the control of cell growth and differentiation, and act indirectly by regulating gene transcription.
Intracellular receptors, which control gene transcription and are activated by ligands that penetrate the cell membrane.
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Ed 
Os principais tipos de receptores e suas funções na sinalização celular são: 1. Receptores acoplados a canais iônicos: regulam o fluxo de íons para dentro e para fora da célula e estão envolvidos na transmissão sináptica rápida. 2. Receptores acoplados a proteínas G: ativam enzimas intracelulares e canais iônicos, e estão envolvidos na regulação de segundos mensageiros. 3. Receptores acoplados a tirosina quinases: estão envolvidos no controle do crescimento e diferenciação celular, agindo indiretamente pela regulação da transcrição gênica. 4. Receptores intracelulares: controlam a transcrição gênica e são ativados por ligantes que penetram na membrana celular.
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