Mapping of the human Voltage-Dependent Anion Channel isoforms 1 and 2 reconsidered

Angela Messina, Marta Oliva, Cecilia Rosato, Marjan Huizing, Wim Ruitenbeek, Lambert P. Van Den Heuvel, Michael Forte, Mariano Rocchi, Vito De Pinto

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Eukaryotic porins or VDACs (Voltage-Dependent Anion-selective Channels) are integral membrane proteins forming large hydrophilic pores. Three functioning genes for VDAC isoforms have been detected in mouse and the corresponding cDNAs are known also in humans. Tissue-specific VDAC isoform 1 (HVDAC1) deficiency in human skeletal muscle is responsible of a rare mitochondrial encephalomyopathy, fatal in childhood. Since coding sequences are not affected in the patient, we focused our interest in the gene structure. HVDAC1 and 2 have been previously mapped at chromosomes Xq13-21 and 21, respectively. Screening of an human chromosome X cosmid library resulted only in the isolation of processed pseudogenes, finely mapped at Xq22 and Xp11.2. Here, we report the mapping of HVDAC1 to chromosome 5q31 and HVDAC2 to chromosome 10q22 by FISH. Exon/intron probes, designed on the basis of the mouse gene structures, were obtained by long extension PCR amplification using the whole genomic DNA as a template. The sequence of the probe extremities clearly pointed to a genuine VDAC genomic sequence. Human and mouse regions where VDAC 1 and 2 genes were mapped are known to be synthetic, thus reinforcing the mapping of the human homologues.

Original languageEnglish (US)
Pages (from-to)707-710
Number of pages4
JournalBiochemical and Biophysical Research Communications
Volume255
Issue number3
DOIs
StatePublished - Feb 24 1999

Fingerprint

Voltage-Dependent Anion Channel 2
Voltage-Dependent Anion Channels
Chromosomes
Protein Isoforms
Genes
Voltage-Dependent Anion Channel 1
Mitochondrial Encephalomyopathies
Chromosomes, Human, X
Chromosomes, Human, Pair 21
Porins
Cosmids
Pseudogenes
Introns
Exons
Membrane Proteins
Skeletal Muscle
Extremities
Complementary DNA
Amplification
Muscle

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Messina, A., Oliva, M., Rosato, C., Huizing, M., Ruitenbeek, W., Van Den Heuvel, L. P., ... De Pinto, V. (1999). Mapping of the human Voltage-Dependent Anion Channel isoforms 1 and 2 reconsidered. Biochemical and Biophysical Research Communications, 255(3), 707-710. https://doi.org/10.1006/bbrc.1998.0136

Mapping of the human Voltage-Dependent Anion Channel isoforms 1 and 2 reconsidered. / Messina, Angela; Oliva, Marta; Rosato, Cecilia; Huizing, Marjan; Ruitenbeek, Wim; Van Den Heuvel, Lambert P.; Forte, Michael; Rocchi, Mariano; De Pinto, Vito.

In: Biochemical and Biophysical Research Communications, Vol. 255, No. 3, 24.02.1999, p. 707-710.

Research output: Contribution to journalArticle

Messina, A, Oliva, M, Rosato, C, Huizing, M, Ruitenbeek, W, Van Den Heuvel, LP, Forte, M, Rocchi, M & De Pinto, V 1999, 'Mapping of the human Voltage-Dependent Anion Channel isoforms 1 and 2 reconsidered', Biochemical and Biophysical Research Communications, vol. 255, no. 3, pp. 707-710. https://doi.org/10.1006/bbrc.1998.0136
Messina, Angela ; Oliva, Marta ; Rosato, Cecilia ; Huizing, Marjan ; Ruitenbeek, Wim ; Van Den Heuvel, Lambert P. ; Forte, Michael ; Rocchi, Mariano ; De Pinto, Vito. / Mapping of the human Voltage-Dependent Anion Channel isoforms 1 and 2 reconsidered. In: Biochemical and Biophysical Research Communications. 1999 ; Vol. 255, No. 3. pp. 707-710.
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