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Ursodeoxycholic acid enriches intestinal bile salt hydrolase-expressing Bacteroidetes in cholestatic pregnancy.

Ovadia C, Perdones-Montero A, Fan HM, Mullish BH, McDonald JAK, Papacleovoulou G, Wahlström A, Ståhlman M, Tsakmaki A, Clarke LCD, Sklavounos A, Dixon PH, Bewick GA, Walters JRF, Marschall HU, Marchesi JR, Williamson C.

Sci Rep. 2020 Mar 3;10(1):3895. doi: 10.1038/s41598-020-60821-w.


A pilot integrative analysis of colonic gene expression, gut microbiota and immune infiltration in primary sclerosing cholangitis-inflammatory bowel disease: association of disease with bile acid pathways.

Quraishi MN, Acharjee A, Beggs AD, Horniblow R, Tselepis C, Gkoutus G, Ghosh S, Rossiter A, Loman N, van Schaik W, Withers D, Walters JRF, Hirschfield GM, Iqbal TH.

J Crohns Colitis. 2020 Feb 4. pii: jjaa021. doi: 10.1093/ecco-jcc/jjaa021. [Epub ahead of print]


Canadian Association of Gastroenterology Clinical Practice Guideline on the Management of Bile Acid Diarrhea.

Sadowski DC, Camilleri M, Chey WD, Leontiadis GI, Marshall JK, Shaffer EA, Tse F, Walters JRF.

J Can Assoc Gastroenterol. 2020 Feb;3(1):e10-e27. doi: 10.1093/jcag/gwz038. Epub 2019 Dec 6.


Chronic diarrhea, bile acids, and Clostridia.

Walters JR, Marchesi JR.

J Clin Invest. 2020 Jan 2;130(1):77-79. doi: 10.1172/JCI133117.


Dichotomy of Dosage Compensation along the Neo Z Chromosome of the Monarch Butterfly.

Gu L, Reilly PF, Lewis JJ, Reed RD, Andolfatto P, Walters JR.

Curr Biol. 2019 Dec 2;29(23):4071-4077.e3. doi: 10.1016/j.cub.2019.09.056. Epub 2019 Nov 14.


A chromosome-level genome assembly of Cydia pomonella provides insights into chemical ecology and insecticide resistance.

Wan F, Yin C, Tang R, Chen M, Wu Q, Huang C, Qian W, Rota-Stabelli O, Yang N, Wang S, Wang G, Zhang G, Guo J, Gu LA, Chen L, Xing L, Xi Y, Liu F, Lin K, Guo M, Liu W, He K, Tian R, Jacquin-Joly E, Franck P, Siegwart M, Ometto L, Anfora G, Blaxter M, Meslin C, Nguyen P, Dalíková M, Marec F, Olivares J, Maugin S, Shen J, Liu J, Guo J, Luo J, Liu B, Fan W, Feng L, Zhao X, Peng X, Wang K, Liu L, Zhan H, Liu W, Shi G, Jiang C, Jin J, Xian X, Lu S, Ye M, Li M, Yang M, Xiong R, Walters JR, Li F.

Nat Commun. 2019 Sep 17;10(1):4237. doi: 10.1038/s41467-019-12175-9.


Canadian Association of Gastroenterology Clinical Practice Guideline on the Management of Bile Acid Diarrhea.

Sadowski DC, Camilleri M, Chey WD, Leontiadis GI, Marshall JK, Shaffer EA, Tse F, Walters JRF.

Clin Gastroenterol Hepatol. 2020 Jan;18(1):24-41.e1. doi: 10.1016/j.cgh.2019.08.062. Epub 2019 Sep 14.


Transcriptomics of monarch butterflies (Danaus plexippus) reveals that toxic host plants alter expression of detoxification genes and down-regulate a small number of immune genes.

Tan WH, Acevedo T, Harris EV, Alcaide TY, Walters JR, Hunter MD, Gerardo NM, de Roode JC.

Mol Ecol. 2019 Nov;28(22):4845-4863. doi: 10.1111/mec.15219. Epub 2019 Sep 23.


Evolutionary Proteomics Reveals Distinct Patterns of Complexity and Divergence between Lepidopteran Sperm Morphs.

Whittington E, Karr TL, Mongue AJ, Dorus S, Walters JR.

Genome Biol Evol. 2019 Jul 1;11(7):1838-1846. doi: 10.1093/gbe/evz080.


Insect genomes: progress and challenges.

Li F, Zhao X, Li M, He K, Huang C, Zhou Y, Li Z, Walters JR.

Insect Mol Biol. 2019 Dec;28(6):739-758. doi: 10.1111/imb.12599. Epub 2019 Jun 17. Review.


Changes in genetic diversity and differentiation in Red-cockaded woodpeckers (Dryobates borealis) over the past century.

Miller MP, Vilstrup JT, Mullins TD, McDearman W, Walters JR, Haig SM.

Ecol Evol. 2019 Apr 8;9(9):5420-5432. doi: 10.1002/ece3.5135. eCollection 2019 May.


Enhanced Microbial Bile Acid Deconjugation and Impaired Ileal Uptake in Pregnancy Repress Intestinal Regulation of Bile Acid Synthesis.

Ovadia C, Perdones-Montero A, Spagou K, Smith A, Sarafian MH, Gomez-Romero M, Bellafante E, Clarke LCD, Sadiq F, Nikolova V, Mitchell A, Dixon PH, Santa-Pinter N, Wahlström A, Abu-Hayyeh S, Walters JRF, Marschall HU, Holmes E, Marchesi JR, Williamson C.

Hepatology. 2019 Jul;70(1):276-293. doi: 10.1002/hep.30661. Epub 2019 May 21. Erratum in: Hepatology. 2019 Dec;70(6):2243.


Nonfertilizing sperm in Lepidoptera show little evidence for recurrent positive selection.

Mongue AJ, Hansen ME, Gu L, Sorenson CE, Walters JR.

Mol Ecol. 2019 May;28(10):2517-2530. doi: 10.1111/mec.15096. Epub 2019 May 17.


What Can We Learn From Mouse Models About Bile Acid-Mediated Changes After Bariatric Surgery?

McGlone ER, Tan T, Bloom SR, Walters JRF.

Gastroenterology. 2019 Jul;157(1):4-8. doi: 10.1053/j.gastro.2019.02.048. Epub 2019 Mar 28. No abstract available.


Non-alcoholic fatty liver disease is associated with dysregulated bile acid synthesis and diarrhea: A prospective observational study.

Appleby RN, Moghul I, Khan S, Yee M, Manousou P, Neal TD, Walters JRF.

PLoS One. 2019 Jan 25;14(1):e0211348. doi: 10.1371/journal.pone.0211348. eCollection 2019.


Role of endoscopy in chronic diarrhoea when functional bowel disease is suspected.

Arasaradnam RP, Walters JRF.

Gut. 2020 Jan;69(1):190-191. doi: 10.1136/gutjnl-2018-317730. Epub 2018 Dec 3. No abstract available.


Letter: long-term treatment of severe bile acid diarrhoea-obeticholic acid can normalise SeHCAT retention.

Walters JRF.

Aliment Pharmacol Ther. 2018 Nov;48(9):1032-1034. doi: 10.1111/apt.14979. No abstract available.


Guts and Gall: Bile Acids in Regulation of Intestinal Epithelial Function in Health and Disease.

Hegyi P, Maléth J, Walters JR, Hofmann AF, Keely SJ.

Physiol Rev. 2018 Oct 1;98(4):1983-2023. doi: 10.1152/physrev.00054.2017. Review.


The genomic features of parasitism, Polyembryony and immune evasion in the endoparasitic wasp Macrocentrus cingulum.

Yin C, Li M, Hu J, Lang K, Chen Q, Liu J, Guo D, He K, Dong Y, Luo J, Song Z, Walters JR, Zhang W, Li F, Chen X.

BMC Genomics. 2018 May 30;19(1):420. doi: 10.1186/s12864-018-4783-x.


Guidelines for the investigation of chronic diarrhoea in adults: British Society of Gastroenterology, 3rd edition.

Arasaradnam RP, Brown S, Forbes A, Fox MR, Hungin P, Kelman L, Major G, O'Connor M, Sanders DS, Sinha R, Smith SC, Thomas P, Walters JRF.

Gut. 2018 Aug;67(8):1380-1399. doi: 10.1136/gutjnl-2017-315909. Epub 2018 Apr 13.


Diet1, bile acid diarrhea, and FGF15/19: mouse model and human genetic variants.

Lee JM, Ong JR, Vergnes L, de Aguiar Vallim TQ, Nolan J, Cantor RM, Walters JRF, Reue K.

J Lipid Res. 2018 Mar;59(3):429-438. doi: 10.1194/jlr.M078279. Epub 2018 Jan 2.


A Twist in the Tale of a Pig Model of Short-Bowel Syndrome.

Walters JRF.

Cell Mol Gastroenterol Hepatol. 2017 May 10;4(1):201-202. doi: 10.1016/j.jcmgh.2017.04.003. eCollection 2017 Jul. No abstract available.


Contrasting patterns of evolutionary constraint and novelty revealed by comparative sperm proteomic analysis in Lepidoptera.

Whittington E, Forsythe D, Borziak K, Karr TL, Walters JR, Dorus S.

BMC Genomics. 2017 Dec 2;18(1):931. doi: 10.1186/s12864-017-4293-2.


Novel associations of bile acid diarrhoea with fatty liver disease and gallstones: a cohort retrospective analysis.

Appleby RN, Nolan JD, Johnston IM, Pattni SS, Fox J, Walters JR.

BMJ Open Gastroenterol. 2017 Oct 26;4(1):e000178. doi: 10.1136/bmjgast-2017-000178. eCollection 2017.


Neuronal correlates of ketamine and walking induced gamma oscillations in the medial prefrontal cortex and mediodorsal thalamus.

Furth KE, McCoy AJ, Dodge C, Walters JR, Buonanno A, Delaville C.

PLoS One. 2017 Nov 2;12(11):e0186732. doi: 10.1371/journal.pone.0186732. eCollection 2017.


A positive SeHCAT test results in fewer subsequent investigations in patients with chronic diarrhoea.

Turner JM, Pattni SS, Appleby RN, Walters JR.

Frontline Gastroenterol. 2017 Oct;8(4):279-283. doi: 10.1136/flgastro-2017-100826. Epub 2017 Jun 29.


The Z chromosome is enriched for sperm proteins in two divergent species of Lepidoptera.

Mongue AJ, Walters JR.

Genome. 2018 Apr;61(4):248-253. doi: 10.1139/gen-2017-0068. Epub 2017 Sep 29.


Editorial: diagnosing bile acid diarrhoea with blood tests.

Walters JRF.

Aliment Pharmacol Ther. 2017 Oct;46(7):699-700. doi: 10.1111/apt.14245. No abstract available.


Neo-sex Chromosomes in the Monarch Butterfly, Danaus plexippus.

Mongue AJ, Nguyen P, Voleníková A, Walters JR.

G3 (Bethesda). 2017 Oct 5;7(10):3281-3294. doi: 10.1534/g3.117.300187.


Editorial: developing a stimulation test to identify FGF19 deficiency in bile acid diarrhoea.

Walters JRF.

Aliment Pharmacol Ther. 2017 Jul;46(1):69-70. doi: 10.1111/apt.14095. No abstract available.


Conserved Patterns of Sex Chromosome Dosage Compensation in the Lepidoptera (WZ/ZZ): Insights from a Moth Neo-Z Chromosome.

Gu L, Walters JR, Knipple DC.

Genome Biol Evol. 2017 Mar 1;9(3):802-816. doi: 10.1093/gbe/evx039.


The Farnesoid X Receptor: Good for BAD.

Keely SJ, Walters JR.

Cell Mol Gastroenterol Hepatol. 2016 Aug 29;2(6):725-732. doi: 10.1016/j.jcmgh.2016.08.004. eCollection 2016 Nov. Review.


How bad is bile acid diarrhoea: an online survey of patient-reported symptoms and outcomes.

Bannaga A, Kelman L, O'Connor M, Pitchford C, Walters JR, Arasaradnam RP.

BMJ Open Gastroenterol. 2017 Jan 19;4(1):e000116. doi: 10.1136/bmjgast-2016-000116. eCollection 2017.


Letter: hydroxypropyl cellulose as therapy for chronic diarrhoea in patients with bile acid malabsorption - possible mechanisms.

Brydon WG, Walters JR, Ghosh S, Culbert P.

Aliment Pharmacol Ther. 2016 Aug;44(3):306-7. doi: 10.1111/apt.13678. No abstract available.


Ventral Medial Thalamic Nucleus Promotes Synchronization of Increased High Beta Oscillatory Activity in the Basal Ganglia-Thalamocortical Network of the Hemiparkinsonian Rat.

Brazhnik E, McCoy AJ, Novikov N, Hatch CE, Walters JR.

J Neurosci. 2016 Apr 13;36(15):4196-208. doi: 10.1523/JNEUROSCI.3582-15.2016.


Experimental evidence of a symbiosis between red-cockaded woodpeckers and fungi.

Jusino MA, Lindner DL, Banik MT, Rose KR, Walters JR.

Proc Biol Sci. 2016 Mar 30;283(1827):20160106. doi: 10.1098/rspb.2016.0106.


Characterizing Factors Associated With Differences in FGF19 Blood Levels and Synthesis in Patients With Primary Bile Acid Diarrhea.

Johnston IM, Nolan JD, Pattni SS, Appleby RN, Zhang JH, Kennie SL, Madhan GK, Jameie-Oskooei S, Pathmasrirengam S, Lin J, Hong A, Dixon PH, Williamson C, Walters JR.

Am J Gastroenterol. 2016 Mar;111(3):423-32. doi: 10.1038/ajg.2015.424. Epub 2016 Feb 9.


Effects of L-dopa priming on cortical high beta and high gamma oscillatory activity in a rodent model of Parkinson's disease.

Dupre KB, Cruz AV, McCoy AJ, Delaville C, Gerber CM, Eyring KW, Walters JR.

Neurobiol Dis. 2016 Feb;86:1-15. doi: 10.1016/j.nbd.2015.11.009. Epub 2015 Nov 14.


Sex Chromosome Dosage Compensation in Heliconius Butterflies: Global yet Still Incomplete?

Walters JR, Hardcastle TJ, Jiggins CD.

Genome Biol Evol. 2015 Sep 2;7(9):2545-59. doi: 10.1093/gbe/evv156.


Body Condition Indices Predict Reproductive Success but Not Survival in a Sedentary, Tropical Bird.

Milenkaya O, Catlin DH, Legge S, Walters JR.

PLoS One. 2015 Aug 25;10(8):e0136582. doi: 10.1371/journal.pone.0136582. eCollection 2015.


Panning for sperm gold: Isolation and purification of apyrene and eupyrene sperm from lepidopterans.

Karr TL, Walters JR.

Insect Biochem Mol Biol. 2015 Aug;63:152-8. doi: 10.1016/j.ibmb.2015.06.007. Epub 2015 Jun 30.


A variant of FGF19 for treatment of disorders of cholestasis and bile acid metabolism.

Walters JR, Appleby RN.

Ann Transl Med. 2015 May;3(Suppl 1):S7. doi: 10.3978/j.issn.2305-5839.2015.03.38. No abstract available.


Pollen feeding proteomics: Salivary proteins of the passion flower butterfly, Heliconius melpomene.

Harpel D, Cullen DA, Ott SR, Jiggins CD, Walters JR.

Insect Biochem Mol Biol. 2015 Aug;63:7-13. doi: 10.1016/j.ibmb.2015.04.004. Epub 2015 May 8.


Subthalamic nucleus activity in the awake hemiparkinsonian rat: relationships with motor and cognitive networks.

Delaville C, McCoy AJ, Gerber CM, Cruz AV, Walters JR.

J Neurosci. 2015 Apr 29;35(17):6918-30. doi: 10.1523/JNEUROSCI.0587-15.2015.


Editorial: colesevelam effects on faecal bile acids in IBS with diarrhoea.

Walters JR, Appleby RN.

Aliment Pharmacol Ther. 2015 Apr;41(7):696-7. doi: 10.1111/apt.13109. No abstract available.


Characterisation of the Manduca sexta sperm proteome: Genetic novelty underlying sperm composition in Lepidoptera.

Whittington E, Zhao Q, Borziak K, Walters JR, Dorus S.

Insect Biochem Mol Biol. 2015 Jul;62:183-93. doi: 10.1016/j.ibmb.2015.02.011. Epub 2015 Feb 28.


Oscillatory Activity in Basal Ganglia and Motor Cortex in an Awake Behaving Rodent Model of Parkinson's Disease.

Delaville C, Cruz AV, McCoy AJ, Brazhnik E, Avila I, Novikov N, Walters JR.

Basal Ganglia. 2014 Apr 1;3(4):221-227.


Diarrhea in Crohn’s disease: investigating the role of the ileal hormone fibroblast growth factor 19.

Nolan JD, Johnston IM, Pattni SS, Dew T, Orchard TR, Walters JR.

J Crohns Colitis. 2015 Feb;9(2):125-31.


The response of patients with bile acid diarrhoea to the farnesoid X receptor agonist obeticholic acid.

Walters JR, Johnston IM, Nolan JD, Vassie C, Pruzanski ME, Shapiro DA.

Aliment Pharmacol Ther. 2015 Jan;41(1):54-64. doi: 10.1111/apt.12999. Epub 2014 Oct 20.

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