Las proteínas DING, una familia con intrigantes funciones celulares

  • Ligia Brito-Argáez Centro de Investigación Científica de Yucatán A.C
  • Rita Uc-Ku Centro de Investigación Científica de Yucatán A.C
  • José Aarón Tamayo-Sansores Centro de Investigación Científica de Yucatán A.C
  • Dianeli Madera-Piña Centro de Investigación Científica de Yucatán A.C
  • Ignacio Islas-Flores Centro de Investigación Científica de Yucatán A.C
Palabras clave: Hypericum perforatum, Pseudomonas sp, proteínas DING, anticancerígenos


La familia de las proteínas DING recibe este nombre porque en especies filogenéticamente distantes, dichos aminoácidos están altamente conservados en el extremo N-terminal. Sus integrantes tienen un peso molecular ~40 kDa, están relacionadas con el metabolismo del fosfato, son secretadas y en su mayoría poseen actividad enzimática de fosfatasa. Inicialmente se creyó que las proteínas DING eran exclusivas de Pseudomonas sp., pero ahora se sabe que están distribuidas en los diferentes reinos biológicos. El descubrimiento de esta familia se fundamentó en la secuenciación de aminoácidos debido a que, con excepción de Pseudomonas fluorescens, P. aeruginosa y algunos otros procariontes, los genes que las codifican no han sido encontrados en las bases de genes de los eucariontes cuyos genomas han sido ya secuenciados. Las proteínas DING tienen funciones biológicas controversiales y por ello están siendo objeto de intensa investigación. En células animales se les ha asociado con la aparición de enfermedades como el cáncer de mama y la caquexia, pero también con la protección contra la arterioesclerosis y la litiasis. En vegetales, algunas proteínas DING muestran propiedades citotóxicas sobre células tumorales o de inhibición de la replicación del virus VIH-1. La evidencia biológica muestra que el mecanismo de acción de las proteínas DING puede ser variado y el resultado contrastante. Dada la potencial aplicación terapéutica de estas proteínas, en esta revisión se describen los hallazgos que se han realizando en esta familia debido a que previamente a su aplicación es necesario entender los mecanismos que regulan sus funciones.


The DING family of proteins called because in phylogenetically distant species, these amino acids are highly conserved in the N- terminal. The members have a molecular weight of ~40 kDa, are related to phosphate metabolism, are secreted and have mostly phosphatase enzymatic activity. Initially it was believed that DING proteins were unique to Pseudomonas sp., but is now known they are distributed in different biological kingdoms. The discovery of this family was based on the sequencing of amino acids because, with the exception of Pseudomonas fluorescens, P. aeruginosa and some other prokaryotes, the genes that encode them have not been found on the basis of genes of eukaryotes whose genomes have already been sequenced. The DING proteins have controversial biological functions and are therefore the subject of intense research. In animal cells they have been associated with the occurrence of diseases such as breast cancer and cachexia, but also to protection against atherosclerosis and gallstones. In plants, DING proteins exhibit some cytotoxic properties on tumor cells or on inhibiting the replication of HIV-1 virus. Biological evidence shows that the mechanism of action of the DING proteins can be varied and with contrasting results. Given the potential therapeutic application of these proteins, in this review, we described the findings that have been made in this family, since before its exploitation it is necessary to understand the mechanisms that regulate their functions.

Keywords: Hypericum perforatum; Pseudomonas sp., DING proteins, anticancer drugs.


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Brito-Argáez, L., Uc-Ku, R., Tamayo-Sansores, J. A., Madera-Piña, D., & Islas-Flores, I. (2020). Las proteínas DING, una familia con intrigantes funciones celulares. TECNOCIENCIA Chihuahua, 8(1), 17-29. Recuperado a partir de
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