Evidence map›Paper›PMID 27355191›Full record

ArticleMolecular endocrinology (Baltimore, Md.)2016

Mutations of Vasopressin Receptor 2 Including Novel L312S Have Differential Effects on Trafficking.

Anatoly Tiulpakov, Carl W White, Rekhati S Abhayawardana, Heng B See, Audrey S Chan, Ruth M Seeber, Julian I Heng, Ivan Dedov, Nathan J Pavlos, Kevin D G Pfleger

Open access · bronzeAbstract read
In one paragraph

Article in Molecular endocrinology (Baltimore, Md.), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
5.1field-weighted citation impact, top 5% 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

28 citing papers in PubMed, 54 citations in OpenAlex.

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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.

Anatoly TiulpakovHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
Carl W WhiteHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
Rekhati S AbhayawardanaHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
Heng B SeeHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
Audrey S ChanHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
Ruth M SeeberHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
Julian I HengHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
Ivan DedovHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
Nathan J PavlosHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
Kevin D G PflegerHarry Perkins Institute of Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.), QEII Medical Centre; Centre for Medical Research (C.W.W., R.S.A., H.B.S., R.M.S., J.I.H., K.D.G.P.) and School of Surgery (A.S.C., N.J.P.), The University of Western Australia; and Dimerix Limited (K.D.G.P.), Nedlands, Western Australia 6009, Australia; and Department and Laboratory of Inherited Endocrine Disorders (A.T., I.D.), Endocrinology Research Centre, Moscow 117036, Russia.
University of Western Australia · AUEndocrinology Research Center · RUQueen Elizabeth II Medical Centre · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nephrogenic syndrome of inappropriate antidiuresis (NSIAD) is a genetic disease first described in 2 unrelated male infants with severe symptomatic hyponatremia. Despite undetectable arginine vasopressin levels, patients have inappropriately concentrated urine resulting in hyponatremia, hypoosmolality, and natriuresis. Here, we describe and functionally characterize a novel vasopressin type 2 receptor (V2R) gain-of-function mutation. An L312S substitution in the seventh transmembrane domain was identified in a boy presenting with water-induced hyponatremic seizures at the age of 5.8 years. We show that, compared with wild-type V2R, the L312S mutation results in the constitutive production of cAMP, indicative of the gain-of-function NSIAD profile. Interestingly, like the previously described F229V and I130N NSIAD-causing mutants, this appears to both occur in the absence of notable constitutive β-arrestin2 recruitment and can be reduced by the inverse agonist Tolvaptan. In addition, to understand the effect of various V2R substitutions on the full receptor "life-cycle," we have used and further developed a bioluminescence resonance energy transfer intracellular localization assay using multiple localization markers validated with confocal microscopy. This allowed us to characterize differences in the constitutive and ligand-induced localization and trafficking profiles of the novel L312S mutation as well as for previously described V2R gain-of-function mutants (NSIAD; R137C and R137L), loss-of-function mutants (nephrogenic diabetes insipidus; R137H, R181C, and M311V), and a putative silent V266A V2R polymorphism. In doing so, we describe differences in trafficking between unique V2R substitutions, even at the same amino acid position, therefore highlighting the value of full and thorough characterization of receptor function beyond simple signaling pathway analysis.

Indexed as

beta-Arrestin 2Child, PreschoolCyclic AMPFluorescence Resonance Energy TransferHEK293 CellsHumansInositol PhosphatesMaleMicroscopy, ConfocalMutationPolymorphism, GeneticProtein BindingReceptors, VasopressinSignal TransductionArrb2 protein, mousebeta-Arrestin 2Cyclic AMPinositol 1-phosphateInositol PhosphatesReceptors, Vasopressin

Identifiers

PMID27355191
PMCPMC4965841
OpenAlexW2464207063

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LicenceCC BY-NC
Read underepoch 390

Registered trials

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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.