Evidence map›Paper›PMID 31364285›Full record

Trial reportMolecular genetics & genomic medicine2019

Molecular investigation in Chinese patients with primary carnitine deficiency.

Yanghui Zhang, Haoxian Li, Jing Liu, Huiming Yan, Qin Liu, Xianda Wei, Hui Xi, Zhengjun Jia, Lingqian Wu, Hua Wang

Open access · goldAbstract readClinical Trial
In one paragraph

Trial report in Molecular genetics & genomic medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
1.1field-weighted citation impact, top 25% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 12 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Review
  6. [A case of primary carnitine deficiency presenting with cholestasis, hepatomegaly, and hyperketonemia].Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2023
    Article
  7. Article
  8. Review
  9. Article
  10. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 3 institutions in 2 countries.

Yanghui ZhangHunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan, China.
Haoxian LiHunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan, China.
Jing LiuHunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan, China.
Huiming YanHunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan, China.
Qin LiuHunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan, China.
Xianda WeiNational Research Center for Assisted Reproductive Technology and Reproductive Genetics, Jinan, Shandong, China.
Hui XiHunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan, China.
Zhengjun JiaHunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan, China.
Lingqian WuCenter for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China.ORCID 0000-0002-7070-5896
Hua WangHunan Provincial Maternal and Child Health Care Hospital, Changsha, Hunan, China.ORCID 0000-0003-0217-8358
Hunan Provincial Maternal and Child Health Hospital · CNCentral South University · CNInstitut de Médecine de la Reproduction · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPrimary carnitine deficiency (PCD) is an autosomal recessive disorder of carnitine transportation caused by mutations in the SLC22A5 that lead to low serum carnitine levels and decreased intracellular carnitine accumulation. Characteristic clinical findings are hypoketotic hypoglycemia and skeletal and cardiac myopathy.

objectiveTo genetically diagnose 24 unrelated Chinese patients with PCD, including 18 infants and six adults.

methodsThe entire coding region and the intron-exon boundaries of SLC22A5 were amplified by polymerase chain reaction (PCR). In silico analyses and reverse transcription-polymerase chain reaction (RT-PCR) were used to predict variants' impact on protein structure and function.

resultsDisease-causing variants in the SLC22A5 were identified in all 24 subjects, and c.288delG, c.495C>A, c.774_775insTCG, c.824+1G>A, and c.1418G>T were novel. The novel variant c.824+1G>A caused a truncated protein p.Phe276Tyrfs*8.

conclusionsWe identified 13 variants in the SLC22A5 in 24 PCD patients, and five of these variants are novel mutations. c.824+1G>A was confirmed to alter mRNA splicing by reverse transcription PCR. Furthermore, our findings broaden the mutation spectrum of SLC22A5 and the understanding of the diverse and variable effects of PCD variants.

Indexed as

INDEL MutationAdultAsian PeopleCardiomyopathiesCarnitineChinaFemaleHumansHyperammonemiaInfantMaleMuscular DiseasesSolute Carrier Family 22 Member 5CarnitineSLC22A5 protein, humanSolute Carrier Family 22 Member 5newborn screeningprimary carnitine deficiencysplice site mutationvariant

Identifiers

PMID31364285
PMCPMC6732302
OpenAlexW2965531701

What OpenQuestion holds

Textmetadata
LicenceCC BY
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.