SLC25A1

Last update 08 May 2025

Basic Info

Synonyms

Citrate transport protein, CTP, SLC20A3

+ [6]

Introduction

Mitochondrial electroneutral antiporter that exports citrate from the mitochondria into the cytosol in exchange for malate (PubMed:29031613, PubMed:29238895). Also able to mediate the exchange of citrate for isocitrate, phosphoenolpyruvate, cis-aconitate and to a lesser extend cis-aconitate, maleate and succinate (PubMed:29031613). In the cytoplasm citrate is important in the regulation of glycolysis through a feedback mechanism and in the production of acetyl-CoA which is needed for the synthesis of fatty acids, sterols, prostaglandins, dolichol and coenzyme Q (CoQ). Required for proper neuromuscular junction formation (Probable).

100 Clinical Results associated with SLC25A1

100 Translational Medicine associated with SLC25A1

0 Patents (Medical) associated with SLC25A1

1,005

Literatures (Medical) associated with SLC25A1

01 May 2025·Journal of Clinical and Experimental Hepatology

Serum Interleukin-6 Levels may be a Key Determinant of 6-week Further Decompensation Risk in Patients With Cirrhosis and Acute Variceal Bleed: A Proof of Concept Study

Article

Author: Yadav, Rajni ; Sharma, Sanchit ; Agarwal, Samagra ; Gunjan, Deepak ; Bansal, Rajat ; Saraya, Anoop

Background and aimsLimited data exist on the role of systemic inflammation and gut barrier dysfunction in acute variceal bleed (AVB). We studied inflammatory markers and changes in the intestinal barrier in patients with AVB and assessed if these can be used to identify a higher risk subgroup with regard to outcomes.MethodsIn this prospective observational study, patients with cirrhosis and AVB presenting at a tertiary care center were stratified by whether or not they developed acute decompensation (AD) over 6 weeks follow-up. Utility of systemic inflammatory markers (interleukin-6 [IL-6], C-reactive protein), endotoxinemia (serum IgM/IgG anti-endotoxin antibodies), and duodenal epithelial tight junction proteins (TJPs) by immunohistochemistry (IHC) for tight-junction proteins (claudin-2,-4, zonula occludens-1(ZO-1), junctional adhesion molecule (JAM)) was assessed to predict the outcomes. These parameters were compared with a pre-existing cohort of patients with cirrhosis and no recent variceal bleed and with those without cirrhosis (dyspepsia with no endoscopic pathology). A nomogram was developed from multivariate model to predict 6-wk AD in patients with AVB.ResultsPatients with AVB(n = 66) (age:46.4 ± 11.7 years; etiology: alcohol/NASH/HBV/HCV [48.5%/12.1%/12.1%/7.6%]) were included. Twenty-four (36.3%) patients developed 6-wk AD. Patients with 6-wk AD had higher serum IL-6 (median: 156.14 pg/ml [IQR: 136.12-170.52] vs 58.28 pg/ml [31.70-110.67]; P < 0.001) and Child score (median: 9 [6.75-10.25] vs 7 [6-9]; P = 0.042) at baseline. Serum endotoxinemia and duodenal epithelial TJP were similar. A nomogram combining CTP and IL-6 was generated that predicted 6-wk AD with optimism-corrected c-statistic of 0.87. Comparison with non-bleeder cirrhosis (n = 52) (7.57 [5.48-9.87]) and dyspepsia controls (n = 53) (5.72 [4.40-6.45]; P < 0.001) also identified significant elevation of serum IL-6, not entirely explainable by derangements in TJP and bacterial translocation markers.Conclusion6-wk AD rates in patients with cirrhosis and AVB can be predicted using combination of Child score and serum IL-6.

01 May 2025·Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids

Alterations in phosphatidylethanolamine metabolism impacts hepatocellular lipid storage, energy homeostasis, and proliferation

Article

Author: van der Veen, Jelske ; Nelson, Randal ; Watts, Russell ; Lehner, Richard ; Holdaway, Courtney M ; Clugston, Robin D ; Jacobs, Rene L ; Leonard, Kelly-Ann ; Das, Chinmayee

Phosphatidylethanolamine (PE) is the second most abundant glycerophospholipid in eukaryotic membranes and is involved in several cellular processes. An important pathway for de novo PE synthesis is the Kennedy Pathway. The rate limiting enzyme in the pathway, CTP:phosphoethanolamine cytidyltransferase, catalyzes the synthesis of CDP-ethanolamine from phosphoethanolamine (pEtn) and CTP. Ethanolamine phosphate phospholyase (ETNPPL) has the potential to breakdown pEtn by catabolizing it to form acetaldehyde, ammonium, and inorganic phosphate. Research on this enzyme is limited and it is unclear how its activity affects PE synthesis; therefore, an investigation into ETNPPL's biological effects is required. ETNPPL was expressed in human hepatoma cell line (Huh7) by stable transfection, allowing for long-term expression in cells without ETNPPL. We show that ETNPPL reduces cellular pEtn synthesized from ethanolamine, which decreased synthesis of PE and an increased PC:PE ratio, which has been shown to be associated with metabolic dysfunction-associated steatotic liver disease (MASLD) and impaired mitochondrial function. Experiments conducted show increased neutral lipid storage accompanied by decreased ATP production and oxygen consumption; however, no differences in triglyceride secretion were seen, although ApoB100 secretion was reduced. Huh7 cells expressing ETNPPL proliferate at a slower rate than control and have increased mRNA expression of p53 and tumor suppressor genes (CDKN1A, BBC3, BAX, BRCA1), implicating ETNPPL in cell proliferation, cancer development and/or tumor progression. Overall, ETNPPL rewires hepatic lipid metabolism, altering several processes including increasing lipid storage and decreasing proliferation. The impacts observed in this study may create a link between hepatic ETNPPL expression and MASLD/HCC pathophysiology.

18 Apr 2025·The Angle Orthodontist

Effects of chemotherapeutic vs regular toothpastes on dental plaque and gingival inflammation in orthodontic patients with fixed appliances: a systematic review and meta-analysis

Article

Author: Liu, Yinli ; Valkenburg, Cees ; Jonkman, Ronald Edwin Gaston ; Slot, Dagmar Else

ABSTRACTObjectivesTo analyze, appraise, and synthesize papers in which authors have compared the effects of chemotherapeutic toothpaste (CTP) and regular toothpaste (RTP) on plaque scores (PSs), gingival scores (GSs), and bleeding scores (BSs) in orthodontic patients wearing fixed appliances (FAs).Materials and MethodsPubMed-MEDLINE, Cochrane-CENTRAL, and Embase databases were searched with predefined search terms until April 2024 for controlled or randomized controlled clinical trials aligning with the aim. In the eligible papers, risk of bias was evaluated, data of interest were extracted, and a descriptive analysis was performed. If possible, meta-analyses and subanalyses on specific factors were conducted. The quality of evidence and strength of the recommendation were rated.ResultsIn our search and selection, we obtained five papers describing eight comparisons. Potential risk of bias was assessed as some concerns to high, and heterogeneity was considered substantial. Descriptive analysis revealed no significant difference in PS and BS, with an improvement in GS favoring CTP. Meta-analyses of the end scores showed CTP significantly reduced PS (standardized mean difference [SMD] = −0.26; 95% confidence interval [CI] = −0.52, −0.01; P = .04). However, no significant effects were observed on GS and BS. These findings were supported by the subanalyses on CTP with chlorhexidine (CHX; PS: mean difference [MD] = −5.12; 95% CI = −10.08, −0.15; P = .04). The quality of evidence was graded as very low, and strength of the recommendation was judged as very weak.ConclusionsFor orthodontic patients with FAs, very weak certainty exists in recommending CTP (eg, with CHX) over RTP for use with toothbrushing. CTP may have a very small effect on PS and a small effect on GS.

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SLC25A1

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