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Article ; Online: Evaluation of ChatGPT for Pelvic Floor Surgery Counseling.

Johnson, Colin M / Bradley, Catherine S / Kenne, Kimberly A / Rabice, Sarah / Takacs, Elizabeth / Vollstedt, Annah / Kowalski, Joseph T

Urogynecology (Philadelphia, Pa.)

2024 Volume 30, Issue 3, Page(s) 245–250

Abstract: Importance: Large language models are artificial intelligence applications that can comprehend and produce human-like text and language. ChatGPT is one such model. Recent advances have increased interest in the utility of large language models in ... ...

Abstract	Importance: Large language models are artificial intelligence applications that can comprehend and produce human-like text and language. ChatGPT is one such model. Recent advances have increased interest in the utility of large language models in medicine. Urogynecology counseling is complex and time-consuming. Therefore, we evaluated ChatGPT as a potential adjunct for patient counseling. Objective: Our primary objective was to compare the accuracy and completeness of ChatGPT responses to information in standard patient counseling leaflets regarding common urogynecological procedures. Study design: Seven urogynecologists compared the accuracy and completeness of ChatGPT responses to standard patient leaflets using 5-point Likert scales with a score of 3 being "equally accurate" and "equally complete," and a score of 5 being "much more accurate" and much more complete, respectively. This was repeated 3 months later to evaluate the consistency of ChatGPT. Additional analysis of the understandability and actionability was completed by 2 authors using the Patient Education Materials Assessment Tool. Analysis was primarily descriptive. First and second ChatGPT queries were compared with the Wilcoxon signed rank test. Results: The median (interquartile range) accuracy was 3 (2-3) and completeness 3 (2-4) for the first ChatGPT query and 3 (3-3) and 4 (3-4), respectively, for the second query. Accuracy and completeness were significantly higher in the second query (P < 0.01). Understandability and actionability of ChatGPT responses were lower than the standard leaflets. Conclusions: ChatGPT is similarly accurate and complete when compared with standard patient information leaflets for common urogynecological procedures. Large language models may be a helpful adjunct to direct patient-provider counseling. Further research to determine the efficacy and patient satisfaction of ChatGPT for patient counseling is needed.
MeSH term(s)	Humans ; Artificial Intelligence ; Pelvic Floor/surgery ; Counseling ; Language ; Medicine
Language	English
Publishing date	2024-03-07
Publishing country	United States
Document type	Journal Article
ISSN	2771-1897
ISSN (online)	2771-1897
DOI	10.1097/SPV.0000000000001459
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Article ; Online: Cilia function and dysfunction.

Hentges, Kathryn E / Johnson, Colin A

Annals of human genetics

2023 Volume 88, Issue 1, Page(s) 1–3

MeSH term(s)	Humans ; Cilia ; Ciliopathies
Language	English
Publishing date	2023-11-23
Publishing country	England
Document type	Letter
ZDB-ID	333-5
ISSN	1469-1809 ; 0003-4800
ISSN (online)	1469-1809
ISSN	0003-4800
DOI	10.1111/ahg.12541
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Article ; Online: From mesenchymal niches to engineered

Ghuloum, Fatmah I / Johnson, Colin A / Riobo-Del Galdo, Natalia A / Amer, Mahetab H

Materials today. Bio

2022 Volume 17, Page(s) 100502

Abstract: Tissue patterning is the result of complex interactions between transcriptional programs and various mechanical cues that modulate cell behaviour and drive morphogenesis. Vertebrate Hedgehog signalling plays key roles in embryogenesis and adult tissue ... ...

Abstract	Tissue patterning is the result of complex interactions between transcriptional programs and various mechanical cues that modulate cell behaviour and drive morphogenesis. Vertebrate Hedgehog signalling plays key roles in embryogenesis and adult tissue homeostasis, and is central to skeletal development and the osteogenic differentiation of mesenchymal stem cells. The expression of several components of the Hedgehog signalling pathway have been reported to be mechanically regulated in mesodermal tissue patterning and osteogenic differentiation in response to external stimulation. Since a number of bone developmental defects and skeletal diseases, such as osteoporosis, are directly linked to aberrant Hedgehog signalling, a better knowledge of the regulation of Hedgehog signalling in the mechanosensitive bone marrow-residing mesenchymal stromal cells will present novel avenues for modelling these diseases and uncover novel opportunities for extracellular matrix-targeted therapies. In this review, we present a brief overview of the key molecular players involved in Hedgehog signalling and the basic concepts of mechanobiology, with a focus on bone development and regeneration. We also highlight the correlation between the activation of the Hedgehog signalling pathway in response to mechanical cues and osteogenesis in bone marrow-derived mesenchymal stromal cells. Finally, we propose different tissue engineering strategies to apply the expanding knowledge of 3D material-cell interactions in the modulation of Hedgehog signalling
Language	English
Publishing date	2022-11-22
Publishing country	England
Document type	Journal Article
ISSN	2590-0064
ISSN (online)	2590-0064
DOI	10.1016/j.mtbio.2022.100502
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Article ; Online: Towards modular engineering of cell signalling: Topographically-textured microparticles induce osteogenesis via activation of canonical hedgehog signalling.

Ghuloum, Fatmah I / Stevens, Lee A / Johnson, Colin A / Riobo-Del Galdo, Natalia A / Amer, Mahetab H

Biomaterials advances

2023 Volume 154, Page(s) 213652

Abstract: Polymer microparticles possess great potential as functional building blocks for advanced bottom-up engineering of complex tissues. Tailoring the three-dimensional architectural features of culture substrates has been shown to induce osteogenesis in ... ...

Abstract	Polymer microparticles possess great potential as functional building blocks for advanced bottom-up engineering of complex tissues. Tailoring the three-dimensional architectural features of culture substrates has been shown to induce osteogenesis in mesenchymal stem cells in vitro, but the molecular mechanisms underpinning this remain unclear. This study proposes a mechanism linking the activation of Hedgehog signalling to the osteoinductive effect of surface-engineered, topographically-textured polymeric microparticles. In this study, mesenchymal progenitor C3H10T1/2 cells were cultured on smooth and dimpled poly(D,l-lactide) microparticles to assess differences in viability, cellular morphology, proliferation, and expression of a range of Hedgehog signalling components and osteogenesis-related genes. Dimpled microparticles induced osteogenesis and activated the Hedgehog signalling pathway relative to smooth microparticles and 2D-cultured controls without the addition of exogenous biochemical factors. We observed upregulation of the osteogenesis markers Runt-related transcription factor2 (Runx2) and bone gamma-carboxyglutamate protein 2 (Bglap2), as well as the Hedgehog signalling components, glioma associated oncogene homolog 1 (Gli1), Patched1 (Ptch1), and Smoothened (Smo). Treatment with the Smo antagonist KAAD-cyclopamine confirmed the involvement of Smo in Gli1 target gene activation, with a significant reduction in the expression of Gli1, Runx2 and Bglap2 (p ≤ 0.001) following KAAD-cyclopamine treatment. Overall, our study demonstrates the role of the topographical microenvironment in the modulation of Hedgehog signalling, highlighting the potential for tailoring substrate topographical design to offer cell-instructive 3D microenvironments. Topographically-textured microparticles allow the modulation of Hedgehog signalling in vitro without adding exogenous biochemical agonists, thereby eliminating potential confounding artefacts in high-throughput drug screening applications.
MeSH term(s)	Hedgehog Proteins/genetics ; Hedgehog Proteins/metabolism ; Core Binding Factor Alpha 1 Subunit/genetics ; Zinc Finger Protein GLI1/genetics ; Zinc Finger Protein GLI1/metabolism ; Osteogenesis/genetics
Chemical Substances	3-keto-N-aminoethylaminoethylcaproyldihydrocinnamoyl cyclopamine ; Hedgehog Proteins ; Core Binding Factor Alpha 1 Subunit ; Zinc Finger Protein GLI1
Language	English
Publishing date	2023-10-10
Publishing country	Netherlands
Document type	Journal Article
ISSN	2772-9508
ISSN (online)	2772-9508
DOI	10.1016/j.bioadv.2023.213652
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Article ; Online: From mesenchymal niches to engineered in vitro model systems

Fatmah I. Ghuloum / Colin A. Johnson / Natalia A. Riobo-Del Galdo / Mahetab H. Amer

Materials Today Bio, Vol 17, Iss , Pp 100502- (2022)

Exploring and exploiting biomechanical regulation of vertebrate hedgehog signalling

2022

Abstract	Tissue patterning is the result of complex interactions between transcriptional programs and various mechanical cues that modulate cell behaviour and drive morphogenesis. Vertebrate Hedgehog signalling plays key roles in embryogenesis and adult tissue homeostasis, and is central to skeletal development and the osteogenic differentiation of mesenchymal stem cells. The expression of several components of the Hedgehog signalling pathway have been reported to be mechanically regulated in mesodermal tissue patterning and osteogenic differentiation in response to external stimulation. Since a number of bone developmental defects and skeletal diseases, such as osteoporosis, are directly linked to aberrant Hedgehog signalling, a better knowledge of the regulation of Hedgehog signalling in the mechanosensitive bone marrow-residing mesenchymal stromal cells will present novel avenues for modelling these diseases and uncover novel opportunities for extracellular matrix-targeted therapies. In this review, we present a brief overview of the key molecular players involved in Hedgehog signalling and the basic concepts of mechanobiology, with a focus on bone development and regeneration. We also highlight the correlation between the activation of the Hedgehog signalling pathway in response to mechanical cues and osteogenesis in bone marrow-derived mesenchymal stromal cells. Finally, we propose different tissue engineering strategies to apply the expanding knowledge of 3D material-cell interactions in the modulation of Hedgehog signalling in vitro for fundamental and translational research applications.
Keywords	Extracellular matrix ; Mesenchymal stromal cells ; Hedgehog signalling ; Osteogenesis ; Mechanotransduction ; Mechanobiology ; Medicine (General) ; R5-920 ; Biology (General) ; QH301-705.5
Subject code	570
Language	English
Publishing date	2022-12-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
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Article ; Online: Nuclear phosphoinositide signaling promotes YAP/TAZ-TEAD transcriptional activity in breast cancer.

Jung, Oisun / Baek, Min-Jeong / Wooldrik, Colin / Johnson, Keith R / Fisher, Kurt W / Lou, Jinchao / Ricks, Tanei J / Wen, Tianmu / Best, Michael D / Cryns, Vincent L / Anderson, Richard A / Choi, Suyong

The EMBO journal

2024 Volume 43, Issue 9, Page(s) 1740–1769

Abstract: The Hippo pathway effectors Yes-associated protein 1 (YAP) and its homolog TAZ are transcriptional coactivators that control gene expression by binding to TEA domain (TEAD) family transcription factors. The YAP/TAZ-TEAD complex is a key regulator of ... ...

Abstract	The Hippo pathway effectors Yes-associated protein 1 (YAP) and its homolog TAZ are transcriptional coactivators that control gene expression by binding to TEA domain (TEAD) family transcription factors. The YAP/TAZ-TEAD complex is a key regulator of cancer-specific transcriptional programs, which promote tumor progression in diverse types of cancer, including breast cancer. Despite intensive efforts, the YAP/TAZ-TEAD complex in cancer has remained largely undruggable due to an incomplete mechanistic understanding. Here, we report that nuclear phosphoinositides function as cofactors that mediate the binding of YAP/TAZ to TEADs. The enzymatic products of phosphoinositide kinases PIPKIα and IPMK, including phosphatidylinositol 4,5-bisphosphate (PI(4,5)P
MeSH term(s)	Humans ; Breast Neoplasms/metabolism ; Breast Neoplasms/genetics ; Breast Neoplasms/pathology ; Transcription Factors/metabolism ; Transcription Factors/genetics ; YAP-Signaling Proteins/metabolism ; YAP-Signaling Proteins/genetics ; Female ; Trans-Activators/metabolism ; Trans-Activators/genetics ; Adaptor Proteins, Signal Transducing/metabolism ; Adaptor Proteins, Signal Transducing/genetics ; Signal Transduction ; Phosphoproteins/metabolism ; Phosphoproteins/genetics ; Transcriptional Coactivator with PDZ-Binding Motif Proteins/metabolism ; Cell Line, Tumor ; Phosphatidylinositol Phosphates/metabolism ; Phosphatidylinositol 4,5-Diphosphate/metabolism ; Phosphatidylinositols/metabolism ; Gene Expression Regulation, Neoplastic ; DNA-Binding Proteins/metabolism ; DNA-Binding Proteins/genetics ; Cell Nucleus/metabolism ; Phosphotransferases (Alcohol Group Acceptor)/metabolism ; Phosphotransferases (Alcohol Group Acceptor)/genetics ; Intracellular Signaling Peptides and Proteins/metabolism ; Intracellular Signaling Peptides and Proteins/genetics
Chemical Substances	Transcription Factors ; YAP-Signaling Proteins ; Trans-Activators ; Adaptor Proteins, Signal Transducing ; YAP1 protein, human ; WWTR1 protein, human ; Phosphoproteins ; Transcriptional Coactivator with PDZ-Binding Motif Proteins ; Phosphatidylinositol Phosphates ; Phosphatidylinositol 4,5-Diphosphate ; Phosphatidylinositols ; DNA-Binding Proteins ; phosphatidylinositol 3,4,5-triphosphate ; Phosphotransferases (Alcohol Group Acceptor) (EC 2.7.1.-) ; Intracellular Signaling Peptides and Proteins
Language	English
Publishing date	2024-04-02
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
ZDB-ID	586044-1
ISSN	1460-2075 ; 0261-4189
ISSN (online)	1460-2075
ISSN	0261-4189
DOI	10.1038/s44318-024-00085-6
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Zs.A 1808: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (1.OG) ab Jg. 2022: Lesesaal (EG)
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Article ; Online: Truncation of the otoferlin transmembrane domain alters the development of hair cells and reduces membrane docking.

Manchanda, Aayushi / Bonventre, Josephine A / Bugel, Sean M / Chatterjee, Paroma / Tanguay, Robyn / Johnson, Colin P

Molecular biology of the cell

2021 Volume 32, Issue 14, Page(s) 1293–1305

Abstract: Release of neurotransmitter from sensory hair cells is regulated by otoferlin. Despite the importance of otoferlin in the auditory and vestibular pathways, the functional contributions of the domains of the protein have not been fully characterized. ... ...

Abstract	Release of neurotransmitter from sensory hair cells is regulated by otoferlin. Despite the importance of otoferlin in the auditory and vestibular pathways, the functional contributions of the domains of the protein have not been fully characterized. Using a zebrafish model, we investigated a mutant otoferlin with a stop codon at the start of the transmembrane domain. We found that both the phenotype severity and the expression level of mutant otoferlin changed with the age of the zebrafish. At the early developmental time point of 72 h post fertilization, low expression of the otoferlin mutant coincided with synaptic ribbon deficiencies, reduced endocytosis, and abnormal transcription of several hair cell genes. As development proceeded, expression of the mutant otoferlin increased, and both synaptic ribbons and hair cell transcript levels resembled wild type. However, hair cell endocytosis deficits and abnormalities in the expression of GABA receptors persisted even after up-regulation of mutant otoferlin. Analysis of membrane-reconstituted otoferlin measurements suggests a function for the transmembrane domain in liposome docking. We conclude that deletion of the transmembrane domain reduces membrane docking, attenuates endocytosis, and results in developmental delay of the hair cell.
MeSH term(s)	Age Factors ; Animals ; Endocytosis/genetics ; Exocytosis/physiology ; Gene Expression/genetics ; Hair Cells, Auditory/metabolism ; Humans ; Membrane Proteins/genetics ; Membrane Proteins/metabolism ; Membrane Proteins/physiology ; Protein Domains/genetics ; Synapses/metabolism ; Zebrafish/metabolism
Chemical Substances	Membrane Proteins ; OTOF protein, human
Language	English
Publishing date	2021-05-12
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural
ZDB-ID	1098979-1
ISSN	1939-4586 ; 1059-1524
ISSN (online)	1939-4586
ISSN	1059-1524
DOI	10.1091/mbc.E20-10-0657
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Zs.A 2853: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (2.OG) ab Jg. 2022: Lesesaal (EG)
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Article ; Online: WHEN REPRODUCTION IS NO LONGER AUTONOMOUS: FEELING RESPECTED BY MATERNITY CARE PROVIDERS MODERATES THE ASSOCIATION BETWEEN AUTONOMY IN DECISION MAKING AND BIRTH-RELATED PTSD SYMPTOMS IN A COMMUNITY SAMPLE OF POSTPARTUM BLACK WOMEN.

Lathan, Emma C / Britt, Abby / Ravi, Meghna / Ash, Marcia J / McAfee, Elizabeth / Wallace, Shimarith / Johnson, Colin B / Woods-Jaeger, Briana / Powers, Abigail / Michopoulos, Vasiliki

Journal of trauma & dissociation : the official journal of the International Society for the Study of Dissociation (ISSD)

2023 Volume 24, Issue 4, Page(s) 520–537

Abstract: Black individuals are at particularly high risk for birth-related posttraumatic stress disorder (PTSD) symptoms, in part due to a lack of opportunity to lead maternity care decisions. Maternal care providers need evidence-based ways to reduce pregnant ... ...

Abstract	Black individuals are at particularly high risk for birth-related posttraumatic stress disorder (PTSD) symptoms, in part due to a lack of opportunity to lead maternity care decisions. Maternal care providers need evidence-based ways to reduce pregnant persons' risk for birth-related PTSD symptoms despite reduced autonomy in decision making resulting from heightened restrictions on reproductive rights. We investigated whether a potential relation between autonomy in decision making and birth-related PTSD symptoms would be moderated by being mistreated or feeling respected by maternity care providers in a community sample of Black women (N = 52; M
MeSH term(s)	Pregnancy ; Female ; Humans ; Adult ; Child, Preschool ; Stress Disorders, Post-Traumatic ; Maternal Health Services ; Parturition ; Postpartum Period ; Emotions ; Decision Making
Language	English
Publishing date	2023-05-26
Publishing country	England
Document type	Journal Article
ISSN	1529-9740
ISSN (online)	1529-9740
DOI	10.1080/15299732.2023.2212406
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Article ; Online: Assessing cerebrovascular reactivity (CVR) in rhesus macaques (Macaca mulatta) using a hypercapnic challenge and pseudo-continuous arterial spin labeling (pCASL).

Johnson, Brendan J / Lipford, Megan E / Barcus, Richard A / Olson, John D / Schaaf, George W / Andrews, Rachel N / Kim, Jeongchul / Dugan, Greg O / Deycmar, Simon / Reed, Colin A / Whitlow, Christopher T / Cline, J Mark

NeuroImage

2023 Volume 285, Page(s) 120491

Abstract: Cerebrovascular reactivity (CVR) is a measure of cerebral small vessels' ability to respond to changes in metabolic demand and can be quantified using magnetic resonance imaging (MRI) coupled with a vasoactive stimulus. Reduced CVR occurs with ... ...

Abstract	Cerebrovascular reactivity (CVR) is a measure of cerebral small vessels' ability to respond to changes in metabolic demand and can be quantified using magnetic resonance imaging (MRI) coupled with a vasoactive stimulus. Reduced CVR occurs with neurodegeneration and is associated with cognitive decline. While commonly measured in humans, few studies have evaluated CVR in animal models. Herein, we describe methods to induce hypercapnia in rhesus macaques (Macaca mulatta) under gas anesthesia to measure cerebral blood flow (CBF) and CVR using pseudo-continuous arterial spin labeling (pCASL). Fifteen (13 M, 2 F) adult rhesus macaques underwent pCASL imaging that included a baseline segment (100% O
MeSH term(s)	Adult ; Animals ; Humans ; Macaca mulatta ; Hypercapnia/diagnostic imaging ; Carbon Dioxide ; Spin Labels ; Magnetic Resonance Imaging/methods ; Cerebrovascular Circulation/physiology
Chemical Substances	Carbon Dioxide (142M471B3J) ; Spin Labels
Language	English
Publishing date	2023-12-07
Publishing country	United States
Document type	Journal Article
ZDB-ID	1147767-2
ISSN	1095-9572 ; 1053-8119
ISSN (online)	1095-9572
ISSN	1053-8119
DOI	10.1016/j.neuroimage.2023.120491
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Zs.A 3664: Show issues			Location: Je nach Verfügbarkeit (siehe Angabe bei Bestand) bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular Jg. 1995 - 2021: Lesesall (2.OG) ab Jg. 2022: Lesesaal (EG)
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Article ; Online: Leaf temperatures and environmental conditions predict daily stem radial variations in a temperate coniferous forest

Weygint, William A. / Eitel, Jan U. H. / Maguire, Andrew J. / Vierling, Lee A. / Johnson, Daniel M. / Campbell, Colin S. / Griffin, Kevin L.

Ecosphere. 2023 Mar., v. 14, no. 3 p.e4465-

2023

Abstract: Hourly‐resolved measurements of stem radial variations (SRVs) provide valuable insights into how climate‐induced changes in hydrological regimes affect tree water status and tree stem radial growth. However, while SRVs are easily measured at the ... ...

Abstract	Hourly‐resolved measurements of stem radial variations (SRVs) provide valuable insights into how climate‐induced changes in hydrological regimes affect tree water status and tree stem radial growth. However, while SRVs are easily measured at the individual tree level, currently no methods are available to monitor this phenomenon across broad regions at intra‐annual (daily to weekly) scales. Near‐surface (in situ) thermal remote sensing—with its sensitivity to plant water status—may provide an approach for monitoring intra‐annual SRVs, with the potential for scaling these approaches to the landscape level. Thus, we explored the suitability of in situ thermal remote sensing, in combination with other environmental data, to monitor SRVs in a coniferous forest of the North American Intermountain West. Specifically, we were interested in answering two main questions: Can we use in situ thermal remote sensing by itself and in combination with environmental variables (i.e., photoperiod, photosynthetically active radiation, and soil moisture) to predict (1) daily tree water status and (2) daily tree stem radial growth derived from SRVs? We used data collected by an environmental monitoring network in central Idaho over three growing seasons (2019–2021) to address these questions. Results showed that leaf temperature (TL) in combination with environmental variables explained up to three‐quarters of the SRV‐based variability in daily tree water status (in the form of tree water deficit [TWD]) and approximately one‐half of the variability in daily stem radial growth. The time of day when TL was acquired also appeared to change the strength, shape, and predictive power of the models, with acquisition times in the morning and evening showing stronger relationships with daily SRVs than other times of the day. Overall, these results highlight the promise of utilizing thermal remote sensing data to derive tree hydrological and growth status, and reveal key considerations (e.g., the time of data acquisition) for future observational and modeling efforts. This study also provides a benchmark against which to compare future efforts to test these observed relationships at coarser spatial scales.
Keywords	climatic factors ; coniferous forests ; data collection ; landscapes ; leaves ; photosynthetically active radiation ; soil water ; temperature ; trees ; Idaho ; Intermountain West region
Language	English
Dates of publication	2023-03
Publishing place	John Wiley & Sons, Inc.
Document type	Article ; Online
Note	JOURNAL ARTICLE
ZDB-ID	2572257-8
ISSN	2150-8925
ISSN	2150-8925
DOI	10.1002/ecs2.4465
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