True. This is a defining feature of the JAK-STAT pathway that allows for rapid transcriptional responses. STAT proteins are latent in the cytoplasm. Upon cytokine stimulation, JAKs phosphorylate STATs, causing them to dimerize. These phosphorylated STAT dimers then translocate directly into the nucleus and bind to specific DNA sequences to activate transcription. This direct signaling from membrane to nucleus bypasses the need for intermediate signaling cascades or new protein synthesis for the initial response.

Break down complex topics into smaller, manageable chunks for easier recall.

Zambia

• Joseph Soko – 101 pts

• Visual Pathway Lesions
• Positive and Negative Symptoms
• Hallucinations and Delusions
• Antipsychotic Medications
• Emergency: Environmental Emergencies