IBD/IBS |
Feces Urine |
Actinobacteria, Firmicutes (Faecalibacterium prausnitzii, Clostridium clusters XIVa and IV), Proteobacteria (Escherichia coli) |
IBS: hydrogen and esters; IBD: alcohols, esters, indoles, phenols, acetone, sulfur compounds, propanoic and butanoic acids, phenol and p-cresol, hippurate; CD: tyrosine, dopamine, tryptophan, phenylalanine, isoleucine, leucine, lysisne, bile acid (i.e., glycocholate); UC: cadaverine and taurine |
SPME-GC-MS; Breath gas analyzer; 1H-NMR; FT-ICR-MS |
Best and Laposata, 2003; Marchesi et al., 2007; Jansson et al., 2009; Kumar et al., 2010; Ahmed et al., 2013; Stephens et al., 2013; Walton et al., 2013; Bjerrum et al., 2015; De Preter, 2015; De Preter et al., 2015
|
Obesity |
Urine Serum |
Firmicutes (Clostridium spp), Proteobacteria, Bacteroidetes, Bifidobacterium spp. |
hippurate, 4-hydroxylphenylacetic acid, phenylacetylglycine, FFA, BCAA, primary bile acids (i.e., cholic, chenodeoxycholic acid), secondary bile acids (i.e., lithocholic acid) |
1H-NMR; LC-ESI-Q-TOF |
Veselkov et al., 2009; Respondek et al., 2013; Zhang et al., 2015; Paul et al., 2016
|
Cystic fibrosis (CF) |
Breath condensate |
Pseudomonas aeruginosa, Clostridium clusters XIVa and IV, Clostridium acetobutylicum, F. prausnitzii, Eubacterium limnosum, Eubacterium biforme, E coli, Bifodobacterium spp. |
C5–C16 hydrocarbons and N-methyl-2-methylpropylamine ethanol, methanol, acetate, 2-propanol, lactate, dimethyl sulfide and acetone |
1H-NMR; GC-TOF-MS |
Wang et al., 2006; Robroeks et al., 2010; Montuschi et al., 2012; Scalan et al., 2012; Schippa et al., 2013
|
Non-alcoholic Fatty Liver Disease (NAFLD) |
Feces |
Oscillospira, Rickenellaceae, Parabacteroides, Bacteroides fragilis, Sutterella, Lachanospiraceae |
ethanol, esters (i.e., ethyl propionate, methyl pentanoate, methyl acetate), 4-Methyl-2-pentanone, 1-butanol and 2-butanoate |
SPME-GC-MS |
Raman et al., 2013; Del Chierico et al., 2016
|
Celiac Disease |
Feces Serum Urine |
Lactobacillus, Enterococcus, Bifidobacteria, Bacteroides, Staphylococcus, Salmonella, Shighella, Klebsiella
|
acetoacetate, glucose and 3-hydroxybutyric acid, indoxyl sulfate, meta-[hydroxyphenyl] propionic acid, and phenylacetylglycine, 1-octen-3-ol, ethanol and 1-propanol, AAs (i.e., proline, methionine, histidine, and tryptophan, isoleucine, asparagine, valine, creatinine), choline, lactate, methylamine, non-anal, 4-Methyl-2-hexanone, ethyl acetate and pyruvate |
Breath gas analyzer; GC-TOF-MS; NMR |
Cani et al., 2008; Di Cagno et al., 2011; Calabrò et al., 2014; Francavilla et al., 2014
|
Food allergies |
Feces |
Bifidobacteria, Lactic Acid Bacteria (LAB), Bacteroides, Clostridia |
SCFAs (i.e., butyric and acetic acid), lactic acid and threonine |
GC-MS; NMR |
Francavilla et al., 2012
|
Neuropathology |
Feces Serum |
Faecalibacterium, Ruminococcus, Clostridium, Lachnospiraceae, Eubacteriaceae, Bacteroidetes, Alistipes, Akkermansia, Sutterellaceae, Enterobacteriaceae, Bifidobacterium
|
tryptophan–nicotinic acid, sulfur metabolic pathways, indolepyruvate, p-cresol and ethyl sulfate |
LC-MS; GC-MS; SPME-GC-MS |
Kidd, 2002; Oresic et al., 2008; De Angelis et al., 2013; Hsiao et al., 2013
|