Hexacosenoyl-CoA is the most abundant very long-chain acyl-CoA in ATP binding cassette transporter D1-deficient cells
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gene. The ABCD1 protein transports very long-chain FAs (VLCFAs) from the cytosol into the peroxisome where the VLCFAs are degraded through β-oxidation. ABCD1 dysfunction leads to VLCFA accumulation in individuals with X-ALD. FAs are activated by esterification to CoA before metabolic utilization. However, the intracellular pools and metabolic profiles of individual acyl-CoA esters have not been fully analyzed. In this study, we profiled the acyl-CoA species in fibroblasts from X-ALD patients and in ABCD1-deficient HeLa cells. We found that hexacosenoyl (26:1)-CoA, but not hexacosanoyl (26:0)-CoA, was the most abundantly concentrated among the VLCFA-CoA species in these cells. We also show that 26:1-CoA is mainly synthesized from oleoyl-CoA, and the metabolic turnover rate of 26:1-CoA was almost identical to that of oleoyl-CoA in both WT and ABCD1-deficient HeLa cells. The findings of our study provide precise quantitative and metabolic information of each acyl-CoA species in living cells. Our results suggest that VLCFA is endogenously synthesized as VLCFA-CoA through a FA elongation pathway and is then efficiently converted to other metabolites, such as phospholipids, in the absence of ABCD1.
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ALDP transports VLCFA across the peroxisomal membrane, preferentially as saturated and monounsaturated VLCFAcyl-CoA, notably C22:0-CoA, C24:0-CoA, C26:0-CoA, and C26:1-CoA.
“ALDP transports VLCFA across the peroxisomal membrane [143], preferentially as saturated and monounsaturated VLCFAcyl-CoA, notably C22:0–CoA, C24:0–CoA, C26:0–CoA, and C26:1–CoA [143,144,145,146].”
From Revisiting the Pathogenesis of X-Linked Adrenoleukodystrophy (2025) · cites this paper as [145]
The introductory passage (page unavailable) states that ABCD1 transports VLCFAs into peroxisomes. The Discussion and Results (pages unavailable) examine several VLCFA-CoA species, including 26:1-CoA, but do not establish that ALDP preferentially transports saturated and monounsaturated VLCFA-CoAs or identify the listed four as preferred transport substrates. (LLM, conf=0.84)
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Chen, Z.-P., Xu, D., Wang, L., Mao, Y.-X., Li, Y., Cheng, M.-T., Zhou, C.-Z., Hou, W.-T., & Chen, Y. (2022) · Nature Communications · doi:10.1038/s41467-022-30974-5 · Cited by 37 · see citing works
Revisiting the Pathogenesis of X-Linked Adrenoleukodystrophy
Bougnères, P., & Le Stunff, C. (2025) · Genes · doi:10.3390/genes16050590 · Cited by 11 · see citing works
- Authors
- Hama, K., Fujiwara, Y., Takashima, S., Hayashi, Y., Yamashita, A., Shimozawa, N., & Yokoyama, K.
- Affiliations
- Teikyo University (JP)
- Gifu University (JP)
- Corresponding author
- Hama, Kotaro
- ORCID
- Venue
- Journal of Lipid Research
- Publisher
- Elsevier BV
- Published
- 2020-04
- Volume
- 61
- Issue
- 4
- Pages
- 523-536
- ISSN
- 0022-2275 (ISSN-L)
- PMC
- PMC7112142
- OpenAlex
- W3008249294
- Cited by
- 16
- References
- 5
- Citations by year
- 2025: 8 · 2022: 5 · 2021: 2 · 2020: 1
- FWCI
- 1.33
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Lipid Research (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Institutional Repositories DataBase (IRDB) (submittedVersion, cc-by-nc-nd)
- Funders
- Ministry of Education, Culture, Sports, Science, and Technology (15K01691, 19K11777, 15K08625, 17K10062)
- Promotion and Mutual Aid Corporation for Private Schools of Japan
- Ichiro Kanehara Foundation
- Kawano Masanori Memorial Public Interest Incorporated Foundation
- Fugaku Trust for Medical Research
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Metabolism and Genetic Disorders
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
- Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
- Keywords
- ABCD1, X-linked adrenoleukodystrophy, very long chain fatty acids, oleoyl-CoA, fatty acid elongation, fatty acid beta-oxidation, phospholipid synthesis
- MeSH terms
- ATP Binding Cassette Transporter, Subfamily D, Member 1, Acyl Coenzyme A, Fibroblasts, HeLa Cells, Humans, Gene Knockout Techniques
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