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25 Results Found

  • Article
  • Open Access
2 Citations
2,712 Views
17 Pages

31 October 2023

The genetic and environmental determinants of serum propionylcarnitine concentrations (PC) remain largely unexplored. This study investigated the impact of genetic and environmental factors on serum propionylcarnitine levels in middle-aged and elderl...

  • Article
  • Open Access
1 Citations
2,201 Views
15 Pages

Plasma Levels of Propionylcarnitine Improved Prediction of Heart Failure and All-Cause Mortality in Patients with Stable Coronary Artery Disease

  • Jairo Lumpuy-Castillo,
  • Francisco J. Rupérez,
  • Brenda Lee Simas Porto,
  • Carmen Cristóbal,
  • Nieves Tarín,
  • Ana Isabel Huelmos,
  • Joaquín Alonso,
  • Jesús Egido,
  • Ignacio Mahíllo-Fernández and
  • Óscar Lorenzo
  • + 2 authors

29 December 2024

Background: Plasma metabolites could be suitable as predictive biomarkers for cardiovascular pathologies or death, thereby improving the prediction of protein biomarkers. The release of acylcarnitines may be altered after coronary artery disease (CAD...

  • Article
  • Open Access
15 Citations
5,610 Views
11 Pages

Elevated Homocysteine after Elevated Propionylcarnitine or Low Methionine in Newborn Screening Is Highly Predictive for Low Vitamin B12 and Holo-Transcobalamin Levels in Newborns

  • Tomaž Rozmarič,
  • Goran Mitulović,
  • Vassiliki Konstantopoulou,
  • Bernadette Goeschl,
  • Martina Huemer,
  • Barbara Plecko,
  • Johannes Spenger,
  • Saskia B. Wortmann,
  • Sabine Scholl-Bürgi and
  • Maximilian Zeyda
  • + 2 authors

Early diagnostics and treatment of vitamin B12 deficiency (B12D) in infants, mainly maternally conditioned, is crucial in preventing possible developmental delay and neurological deficits. Currently, B12D is rarely listed in regular newborn screening...

  • Article
  • Open Access
1,495 Views
9 Pages

Milder Form of Cobalamin C Disease May Be Missed by Newborn Screening: The Importance of Methylmalonic Acid Assessment

  • Francesca Nardecchia,
  • Agnese De Giorgi,
  • Silvia Santagata,
  • Teresa Giovanniello,
  • Manuela Tolve,
  • Antonio Angeloni,
  • Vincenzo Leuzzi,
  • Francesco Pisani and
  • Claudia Carducci

CblC deficiency is the most common intracellular disorder of vitamin B12 metabolism. Expanded newborn screening (NBS) plays a key role in early diagnosis, allowing timely treatment and preventing serious complications. However, traditional first-tier...

  • Review
  • Open Access
9 Citations
4,784 Views
8 Pages

Current Perspectives on Neonatal Screening for Propionic Acidemia in Japan: An Unexpectedly High Incidence of Patients with Mild Disease Caused by a Common PCCB Variant

  • Go Tajima,
  • Reiko Kagawa,
  • Fumiaki Sakura,
  • Akari Nakamura-Utsunomiya,
  • Keiichi Hara,
  • Miori Yuasa,
  • Yuki Hasegawa,
  • Hideo Sasai and
  • Satoshi Okada

Propionic acidemia (PA) is a disorder of organic acid metabolism which typically presents with acute encephalopathy-like symptoms associated with metabolic acidosis and hyperammonemia during the neonatal period. The estimated incidence of symptomatic...

  • Article
  • Open Access
1,012 Views
17 Pages

Newborn Screening Alone Cannot Prevent Most Cases of Severe Vitamin B12 Deficiency in the First Year of Life

  • Christina Kaufman,
  • Julian Margreitter,
  • Marion Herle,
  • Walter Bonfig,
  • Corinne Däster,
  • Bianka Heinrich,
  • Daniela Karall,
  • Hubert Kogler,
  • Vassiliki Konstantopoulou and
  • Martina Huemer
  • + 11 authors

16 November 2025

Background/Objectives: Vitamin B12 (B12) is essential for the provision of methyl groups for numerous essential pathways. Infant B12 deficiency (B12D) can lead to severe, even irreversible neurological abnormalities. Maternal B12 status in pregnancy...

  • Article
  • Open Access
24 Citations
6,776 Views
19 Pages

Metabolites represent the ultimate response of biological systems, so metabolomics is considered the link between genotypes and phenotypes. Feed efficiency is one of the most important phenotypes in sustainable pig production and is the main breeding...

  • Article
  • Open Access
3 Citations
2,295 Views
17 Pages

27 November 2022

Diagnosing the cause of fatal intoxication by antipsychotic agents is an important task in forensic practice. In the 2020 Annual Report of the American Association of Poison Control Centers, among 40 deaths caused by antipsychotics, 21 cases were dia...

  • Article
  • Open Access
24 Citations
6,067 Views
12 Pages

Wisconsin’s newborn screening program implemented second-tier testing on specimens with elevated propionylcarnitine (C3) to aid in the identification of newborns with propionic and methylmalonic acidemias. The differential diagnosis for elevate...

  • Article
  • Open Access
25 Citations
4,681 Views
16 Pages

LC/MS-Based Untargeted Metabolomics Analysis in Women with Morbid Obesity and Associated Type 2 Diabetes Mellitus

  • Teresa Auguet,
  • Laia Bertran,
  • Jordi Capellades,
  • Sonia Abelló,
  • Carmen Aguilar,
  • Fàtima Sabench,
  • Daniel del Castillo,
  • Xavier Correig,
  • Oscar Yanes and
  • Cristóbal Richart

Obesity is a chronic and complex disease, with an increasing incidence worldwide that is associated with metabolic disorders such as type 2 diabetes mellitus (T2DM). Thus, it is important to determine the differences between metabolically healthy obe...

  • Article
  • Open Access
11 Citations
2,872 Views
8 Pages

A Tear Metabolomic Profile Showing Increased Ornithine Decarboxylase Activity and Spermine Synthesis in Thyroid-Associated Orbitopathy

  • Benjamin Billiet,
  • Juan Manuel Chao de la Barca,
  • Marc Ferré,
  • Jeanne Muller,
  • Anaïs Vautier,
  • Sophie Assad,
  • Odile Blanchet,
  • Lydie Tessier,
  • Céline Wetterwald and
  • Pascal Reynier
  • + 6 authors

13 January 2022

About half of patients with Graves’ disease develop an orbitopathy related to an inflammatory expansion of the periorbital adipose tissue and muscles. We used a targeted metabolomic approach measuring 188 metabolites by mass spectrometry to com...

  • Article
  • Open Access
2 Citations
2,550 Views
15 Pages

Integration of the Microbiome, Metabolome and Transcriptome Reveals Escherichia coli F17 Susceptibility of Sheep

  • Weihao Chen,
  • Xiaoyang Lv,
  • Xiukai Cao,
  • Zehu Yuan,
  • Shanhe Wang,
  • Tesfaye Getachew,
  • Joram M. Mwacharo,
  • Aynalem Haile,
  • Kai Quan and
  • Wei Sun
  • + 1 author

14 March 2023

Escherichia coli (E. coli) F17 is one of the most common pathogens causing diarrhea in farm livestock. In the previous study, we accessed the transcriptomic and microbiomic profile of E. coli F17-antagonism (AN) and -sensitive (SE) lambs; however, th...

  • Case Report
  • Open Access
1 Citations
2,281 Views
7 Pages

Biochemical Pattern of Methylmalonyl-CoA Epimerase Deficiency Identified in Newborn Screening: A Case Report

  • Evelina Maines,
  • Roberto Franceschi,
  • Francesca Rivieri,
  • Giovanni Piccoli,
  • Björn Schulte,
  • Jessica Hoffmann,
  • Andrea Bordugo,
  • Giulia Rodella,
  • Francesca Teofoli and
  • Marta Camilot
  • + 2 authors

Methylmalonyl-CoA epimerase enzyme (MCEE) is responsible for catalyzing the isomeric conversion between D- and L-methylmalonyl-CoA, an intermediate along the conversion of propionyl-CoA to succinyl-CoA. A dedicated test for MCEE deficiency is not inc...

  • Case Report
  • Open Access
23 Citations
4,344 Views
10 Pages

A False-Positive Case of Methylmalonic Aciduria by Tandem Mass Spectrometry Newborn Screening Dependent on Maternal Malnutrition in Pregnancy

  • Claudia Rossi,
  • Ilaria Cicalini,
  • Cristiano Rizzo,
  • Mirco Zucchelli,
  • Ada Consalvo,
  • Silvia Valentinuzzi,
  • Daniela Semeraro,
  • Giorgia Gasparroni,
  • Patrizia Brindisino and
  • Damiana Pieragostino
  • + 3 authors

Methylmalonic Acidurias (MMAs) are a group of inborn errors of metabolism (IEMs), specifically of propionate catabolism characterized by gastrointestinal and neurometabolic manifestations resulting from a deficiency in the function of methylmalonyl-C...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,141 Views
17 Pages

Association of Maternal Diet during Pregnancy and Metabolite Profile in Cord Blood

  • Carla P. Harris,
  • Carlana Ramlochansingh,
  • Olaf Uhl,
  • Hans Demmelmair,
  • Joachim Heinrich,
  • Berthold Koletzko,
  • Marie Standl and
  • Elisabeth Thiering

21 September 2022

Cord blood metabolites can be predictive of long-term disease risk, but how levels of different metabolites might vary with respect to maternal diet is not well understood. The aim of this study was to evaluate the associations of different dietary p...

  • Article
  • Open Access
11 Citations
7,367 Views
11 Pages

Vitamin B12 Deficiency (Un-)Detected Using Newborn Screening in Norway

  • Trine Tangeraas,
  • Ulf W. Ljungblad,
  • Elma Lutvica,
  • Erle Kristensen,
  • Alex D. Rowe,
  • Anne-Lise Bjørke-Monsen,
  • Terje Rootwelt-Revheim,
  • Ingjerd Sæves and
  • Rolf D. Pettersen

Untreated vitamin B12 (B12) deficiency may cause delayed development in infants. Several newborn screening (NBS) programs have reported an increased detection rate of B12 deficiency when second-tier dried blood spot (DBS) analyses of total homocystei...

  • Case Report
  • Open Access
6 Citations
4,537 Views
6 Pages

MCEE Mutations in an Adult Patient with Parkinson’s Disease, Dementia, Stroke and Elevated Levels of Methylmalonic Acid

  • Mattias Andréasson,
  • Rolf H. Zetterström,
  • Ulrika von Döbeln,
  • Anna Wedell and
  • Per Svenningsson

Methylmalonic aciduria (MMA-uria) is seen in several inborn errors of metabolism (IEM) affecting intracellular cobalamin pathways. Methylmalonyl-CoA epimerase (MCE) is an enzyme involved in the mitochondrial cobalamin-dependent pathway generating suc...

  • Article
  • Open Access
3 Citations
3,800 Views
9 Pages

Pilot Study on Neonatal Screening for Methylmalonic Acidemia Caused by Defects in the Adenosylcobalamin Synthesis Pathway and Homocystinuria Caused by Defects in Homocysteine Remethylation

  • Reiko Kagawa,
  • Go Tajima,
  • Takako Maeda,
  • Fumiaki Sakura,
  • Akari Nakamura-Utsunomiya,
  • Keiichi Hara,
  • Yutaka Nishimura,
  • Miori Yuasa,
  • Yosuke Shigematsu and
  • Satoshi Okada
  • + 3 authors

Neonatal screening (NS) for methylmalonic acidemia uses propionylcarnitine (C3) as a primary index, which is insufficiently sensitive at detecting methylmalonic acidemia caused by defects in the adenosylcobalamin synthesis pathway. Moreover, homocyst...

  • Article
  • Open Access
734 Views
20 Pages

Multi-Omics Analysis Reveals 1-Propanol-Induced Pentadecanoic Acid Biosynthesis in Yarrowia lipolytica

  • Jiahe Cong,
  • Xin Hu,
  • Dongsheng Lu,
  • Sam C. Kollie,
  • Ahmed A. Elolimy,
  • Juan J. Loor,
  • Zhendong Yang,
  • Mingxun Li,
  • Yongjiang Mao and
  • Huimin Zhang
  • + 1 author

18 November 2025

Pentadecanoic acid (C15:0) is an odd-chain fatty acid (OCFA) with significant health benefits, mainly produced by microbial fermentation. To improve C15:0 production, this study compared the effects of different alcohols on C15:0 production in Yarrow...

  • Article
  • Open Access
2 Citations
2,114 Views
19 Pages

8 October 2024

The objective of this study was to investigate the regulatory effects of a high-fiber content feed on the productive performance, meat quality, and fat acid composition. A total of 18 120-day-old Yushan pigs with similar initial body weight were rand...

  • Article
  • Open Access
26 Citations
4,882 Views
24 Pages

Serum Metabolic Signatures of Chronic Limb-Threatening Ischemia in Patients with Peripheral Artery Disease

  • Sandi M. Azab,
  • Abdelrahman Zamzam,
  • Muzammil H. Syed,
  • Rawand Abdin,
  • Mohammad Qadura and
  • Philip Britz-McKibbin

16 June 2020

Peripheral artery disease (PAD) is characterized by the atherosclerotic narrowing of lower limb vessels, leading to ischemic muscle pain in older persons. Some patients experience progression to advanced chronic limb-threatening ischemia (CLTI) with...

  • Article
  • Open Access
14 Citations
3,196 Views
12 Pages

Progressive Metabolic Abnormalities Associated with the Development of Neonatal Bronchopulmonary Dysplasia

  • Chengyin Ye,
  • Jinghua Wu,
  • Jonathan D. Reiss,
  • Tiffany J. Sinclair,
  • David K. Stevenson,
  • Gary M. Shaw,
  • Donald H. Chace,
  • Reese H. Clark,
  • Lawrence S. Prince and
  • Karl G. Sylvester
  • + 1 author

28 August 2022

Objective: To assess the longitudinal metabolic patterns during the evolution of bronchopulmonary dysplasia (BPD) development. Methods: A case-control dataset of preterm infants (<32-week gestation) was obtained from a multicenter database, includ...

  • Article
  • Open Access
5 Citations
2,307 Views
25 Pages

Metabolomics and Transcriptomics Reveal the Effects of Different Fermentation Times on Antioxidant Activities of Ophiocordyceps sinensis

  • Min He,
  • Tao Wang,
  • Chuyu Tang,
  • Mengjun Xiao,
  • Xiaojian Pu,
  • Jianzhao Qi,
  • Yuling Li and
  • Xiuzhang Li

9 January 2025

Ophiocordyceps sinensis is a fungus that is cultured through fermentation from wild Chinese cordyceps. While studies have examined its metabolites, the evaluation of its antioxidant capacity remains to be conducted. The antioxidant results of O. sine...

  • Article
  • Open Access
14 Citations
4,586 Views
21 Pages

Machine Learning and Pathway Analysis-Based Discovery of Metabolomic Markers Relating to Chronic Pain Phenotypes

  • Teemu Miettinen,
  • Anni I. Nieminen,
  • Pekka Mäntyselkä,
  • Eija Kalso and
  • Jörn Lötsch

Recent scientific evidence suggests that chronic pain phenotypes are reflected in metabolomic changes. However, problems associated with chronic pain, such as sleep disorders or obesity, may complicate the metabolome pattern. Such a complex phenotype...

  • Article
  • Open Access
15 Citations
4,058 Views
10 Pages

Mendelian Randomization Study of Lipid Metabolites Reveals Causal Associations with Heel Bone Mineral Density

  • Mingxin Wu,
  • Yufei Du,
  • Chi Zhang,
  • Zhen Li,
  • Qingyang Li,
  • Enlin Qi,
  • Wendong Ruan,
  • Shiqing Feng and
  • Hengxing Zhou

27 September 2023

Background: Osteoporosis, which is a bone disease, is characterized by low bone mineral density and an increased risk of fractures. The heel bone mineral density is often used as a representative measure of overall bone mineral density. Lipid metabol...