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Cis-regulatory Sequences02:02

Cis-regulatory Sequences

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Cis-regulatory sequences are short fragments of non-coding DNA that are present on the same chromosomes as the genes that they regulate. These fragments serve as binding sites for transcriptional regulators, proteins that are responsible for controlling gene transcription and differential gene expression across cell types in eukaryotes. Cis-regulatory sequences can be close to the gene of interest or thousands of bases away in the DNA sequence; however, those sequences that are further away are...
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What is Gene Expression?01:42

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Overview
Gene expression is the process in which DNA directs the synthesis of functional products, that is, proteins. Cells can regulate gene expression at various stages. It allows organisms to generate different cell types and enables cells to adapt to internal and external factors.
Genetic Information Flows from DNA to RNA to Protein
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Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
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Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
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In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
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Quantifying the Activity of cis-Regulatory Elements in the Mouse Retina by Explant Electroporation
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Control de la expresión génica mediante elementos cis-regulatorios diseñados por IA

Yan Xia1, Yi-Xin Huo2

  • 1Department of Gastroenterology, Aerospace Center Hospital, College of Life Science, Beijing Institute of Technology, No. 5 South Zhongguancun Street, Haidian District, Beijing 100081, China; Zhongguancun Academy, Beijing 100094, China.

Biotechnology advances
|January 19, 2026
PubMed
Resumen
Este resumen es generado por máquina.

La inteligencia artificial (IA) está revolucionando el diseño de elementos cis-regulatorios (CRE) para el control de la expresión génica. Si bien la IA muestra una gran promesa, es necesario abordar desafíos como las limitaciones de datos y la interpretabilidad para la biología sintética avanzada.

Palabras clave:
modelo fundacional de ADNaprendizaje profundopotenciadormodelo generativopromotorelementos regulatorios

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Área de la Ciencia:

  • Genómica
  • Biología Sintética
  • Biología Computacional

Sus antecedentes:

  • Los elementos cis-regulatorios (CRE) son vitales para la expresión génica, pero los métodos de diseño tradicionales son ineficientes.
  • Los avances en el aprendizaje profundo están mejorando la predicción de CRE y permitiendo el diseño de CRE sintéticos.

Objetivo del estudio:

  • Revisar el impacto de la IA en el diseño y la predicción de CRE.
  • Discutir los desafíos actuales y las direcciones futuras en la ingeniería de CRE impulsada por IA.

Principales métodos:

  • Revisión de modelos de aprendizaje profundo, incluidos modelos de diseño especializados y modelos fundacionales de ADN.
  • Análisis de la integración de IA con datos experimentales de alto rendimiento.
  • Examen de tecnologías emergentes de IA como el modelado multimodal y el aprendizaje por refuerzo.

Principales resultados:

  • La IA mejora la precisión de la predicción y ofrece estrategias para diseñar CRE sintéticos como promotores y potenciadores.
  • Los modelos de IA muestran avances en la generación de arquitecturas regulatorias complejas.
  • Los métodos actuales de IA enfrentan desafíos que incluyen la escasez de datos, las brechas entre predicción y experimento y la interpretabilidad limitada.

Conclusiones:

  • La IA tiene un potencial significativo para el diseño sistemático y dirigido de CRE sintéticos.
  • Las direcciones futuras incluyen abordar la calidad de los datos, mejorar la interpretabilidad del modelo y explorar enfoques multimodales y de aprendizaje por refuerzo.
  • Superar las limitaciones actuales es clave para aprovechar al máximo las capacidades de la IA en la ingeniería de elementos regulatorios.