Developing a taxonomy to describe offspring outcomes in studies involving pregnant mammals' exposure to non-tobacco nicotine: A systematic scoping review.

<h4>Introduction</h4>Many countries recommend Nicotine Replacement Therapy (NRT) for smoking cessation in pregnancy. Preclinical studies of nicotine exposure to pregnant mammals could indicate how nicotine may adversely affect the developing fetus. As a first step towards summarising thi...

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Main Authors: Lucy Phillips, Ross Thomson, Tom Coleman-Haynes, Sue Cooper, Felix Naughton, Lisa Mcdaid, Joanne Emery, Tim Coleman
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2023-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0280805&type=printable
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author Lucy Phillips
Ross Thomson
Tom Coleman-Haynes
Sue Cooper
Felix Naughton
Lisa Mcdaid
Joanne Emery
Tim Coleman
author_facet Lucy Phillips
Ross Thomson
Tom Coleman-Haynes
Sue Cooper
Felix Naughton
Lisa Mcdaid
Joanne Emery
Tim Coleman
author_sort Lucy Phillips
collection DOAJ
description <h4>Introduction</h4>Many countries recommend Nicotine Replacement Therapy (NRT) for smoking cessation in pregnancy. Preclinical studies of nicotine exposure to pregnant mammals could indicate how nicotine may adversely affect the developing fetus. As a first step towards summarising this literature, we undertook a systematic scoping review to determine the number and nature of offspring outcomes studied.<h4>Methods</h4>We searched MEDLINE and EMBASE databases for papers reporting empirical data on offspring outcomes following nicotine exposure to pregnant non-human mammals. We excluded studies that investigated exposure to only smoking, e-cigarettes, nicotine vaccines, or studies with no 'nicotine only' group. We developed a draft taxonomy and using this, described and quantified outcomes reported.<h4>Results</h4>We identified 476 studies, which reported 729 offspring outcomes. The draft taxonomy classified outcomes as being measured in i) whole animals, ii) body systems and iii) 'other'. Body system outcomes were further categorised as being functional changes, or changes at macroscopic or cellular levels. The most frequently used outcomes were those detecting changes in the brain (n = 265), physical parameters measured in whole animals (n = 122) and any respiratory system changes (n = 97).<h4>Conclusions</h4>This scoping review quantifies the nature and frequency of outcomes used in preclinical studies investigating the potential impacts of nicotine administration in pregnancy on offspring. Systematic reviews of studies investigating outcomes involving animal brains, respiratory system, or 'whole animal' outcomes may have greatest potential for further advancing knowledge regarding impacts of gestational nicotine exposure on offspring.<h4>Protocol and registration</h4>Protocol for this review can be found on Open Science Framework (https://osf.io/ptmzc/).
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spelling doaj-art-1a343fff51b34387bacbb4f1f9c80cc92025-02-05T05:32:44ZengPublic Library of Science (PLoS)PLoS ONE1932-62032023-01-01182e028080510.1371/journal.pone.0280805Developing a taxonomy to describe offspring outcomes in studies involving pregnant mammals' exposure to non-tobacco nicotine: A systematic scoping review.Lucy PhillipsRoss ThomsonTom Coleman-HaynesSue CooperFelix NaughtonLisa McdaidJoanne EmeryTim Coleman<h4>Introduction</h4>Many countries recommend Nicotine Replacement Therapy (NRT) for smoking cessation in pregnancy. Preclinical studies of nicotine exposure to pregnant mammals could indicate how nicotine may adversely affect the developing fetus. As a first step towards summarising this literature, we undertook a systematic scoping review to determine the number and nature of offspring outcomes studied.<h4>Methods</h4>We searched MEDLINE and EMBASE databases for papers reporting empirical data on offspring outcomes following nicotine exposure to pregnant non-human mammals. We excluded studies that investigated exposure to only smoking, e-cigarettes, nicotine vaccines, or studies with no 'nicotine only' group. We developed a draft taxonomy and using this, described and quantified outcomes reported.<h4>Results</h4>We identified 476 studies, which reported 729 offspring outcomes. The draft taxonomy classified outcomes as being measured in i) whole animals, ii) body systems and iii) 'other'. Body system outcomes were further categorised as being functional changes, or changes at macroscopic or cellular levels. The most frequently used outcomes were those detecting changes in the brain (n = 265), physical parameters measured in whole animals (n = 122) and any respiratory system changes (n = 97).<h4>Conclusions</h4>This scoping review quantifies the nature and frequency of outcomes used in preclinical studies investigating the potential impacts of nicotine administration in pregnancy on offspring. Systematic reviews of studies investigating outcomes involving animal brains, respiratory system, or 'whole animal' outcomes may have greatest potential for further advancing knowledge regarding impacts of gestational nicotine exposure on offspring.<h4>Protocol and registration</h4>Protocol for this review can be found on Open Science Framework (https://osf.io/ptmzc/).https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0280805&type=printable
spellingShingle Lucy Phillips
Ross Thomson
Tom Coleman-Haynes
Sue Cooper
Felix Naughton
Lisa Mcdaid
Joanne Emery
Tim Coleman
Developing a taxonomy to describe offspring outcomes in studies involving pregnant mammals' exposure to non-tobacco nicotine: A systematic scoping review.
PLoS ONE
title Developing a taxonomy to describe offspring outcomes in studies involving pregnant mammals' exposure to non-tobacco nicotine: A systematic scoping review.
title_full Developing a taxonomy to describe offspring outcomes in studies involving pregnant mammals' exposure to non-tobacco nicotine: A systematic scoping review.
title_fullStr Developing a taxonomy to describe offspring outcomes in studies involving pregnant mammals' exposure to non-tobacco nicotine: A systematic scoping review.
title_full_unstemmed Developing a taxonomy to describe offspring outcomes in studies involving pregnant mammals' exposure to non-tobacco nicotine: A systematic scoping review.
title_short Developing a taxonomy to describe offspring outcomes in studies involving pregnant mammals' exposure to non-tobacco nicotine: A systematic scoping review.
title_sort developing a taxonomy to describe offspring outcomes in studies involving pregnant mammals exposure to non tobacco nicotine a systematic scoping review
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0280805&type=printable
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