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Article ; Online: The authors respond.

Janket, S-J / Van Dyke, T E / Meurman, J H

2023 Volume 234, Issue 11, Page(s) 783–784

Language	English
Publishing date	2023-06-09
Publishing country	England
Document type	Letter
ZDB-ID	218090-x
ISSN	1476-5373 ; 0007-0610
ISSN (online)	1476-5373
ISSN	0007-0610
DOI	10.1038/s41415-023-5950-2
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Article ; Online: Van Dyke et al. Respond to "Methodological Considerations in Investigating Discrimination".

Van Dyke, Miriam E / Crawford, Natalie D / Lewis, Tené T

American journal of epidemiology

2021 Volume 191, Issue 3, Page(s) 384–385

Language	English
Publishing date	2021-08-24
Publishing country	United States
Document type	Journal Article ; Comment
ZDB-ID	2937-3
ISSN	1476-6256 ; 0002-9262
ISSN (online)	1476-6256
ISSN	0002-9262
DOI	10.1093/aje/kwab224
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Article ; Online: Periodontal Stem Cells Synthesize Maresin Conjugate in Tissue Regeneration 3.

Rakian, A / Rakian, R / Shay, A E / Serhan, C N / Van Dyke, T E

Journal of dental research

2022 Volume 101, Issue 10, Page(s) 1205–1213

Abstract: Periodontal disease is a significant public health problem worldwide. Excess unresolved chronic inflammation destroys the periodontal tissues that surround and support the teeth, and efforts to control inflammation by removal of bacterial deposits on the ...

Abstract	Periodontal disease is a significant public health problem worldwide. Excess unresolved chronic inflammation destroys the periodontal tissues that surround and support the teeth, and efforts to control inflammation by removal of bacterial deposits on the teeth have limited long-term impact. Likewise, procedures aimed at regeneration of the periodontal tissues have shown limited success. Recent advances in stem cell research have shown promising novel prospects for the use of periodontal ligament stem cells (PDLSCs) in tissue regeneration; however, control of inflammation remains a barrier. Human PDLSCs have been shown to release specialized proresolving lipid mediators (SPMs) that modulate the immune response and promote resolution of inflammation, tissue repair, and regeneration. Studies on stem cell biology in periodontology have also been limited by the lack of a good large animal model. Herein, we describe PDLSC biology of the Yorkshire pig (pPDLSCs). pPDLSCs were isolated and characterized. Using lipid mediator profiling, we demonstrate for the first time that pPDLSCs biosynthesize cysteinyl-containing SPMs (cys-SPMs), specifically, maresin conjugates in tissue regeneration 3 (MCTR3) and its authentication using liquid chromatography/tandem mass spectrometry. The exogenous addition of the n-3 precursor docosahexaenoic acid enhances MCTR3 biosynthesis. Using immunocytochemistry, we show that pPDLSCs express 4 of the SPM biosynthetic pathway enzymes necessary for SPM biosynthesis, including 5-lipoxygenase, 12-lipoxygenase, and 15-lipoxygenase-1. In addition, we identified and quantified the cytokine/chemokine profile of pPDLSCs using a 13-plex immunology multiplex assay and found that the pretreatment of pPDLSCs with MCTR3 in an inflammatory environment reduced the production of acute and chronic proinflammatory cytokines/chemokines. Together, these results suggest that enhancing resolution of inflammation pathways and mediators may be a possible key early event in predictable periodontal regeneration.
MeSH term(s)	Animals ; Docosahexaenoic Acids/metabolism ; Humans ; Inflammation/metabolism ; Periodontal Ligament/metabolism ; Stem Cells ; Swine ; Wound Healing
Chemical Substances	Docosahexaenoic Acids (25167-62-8)
Language	English
Publishing date	2022-04-15
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
ZDB-ID	80207-4
ISSN	1544-0591 ; 0022-0345
ISSN (online)	1544-0591
ISSN	0022-0345
DOI	10.1177/00220345221090879
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Article ; Online: RvE1 Promotes Axin2+ Cell Regeneration and Reduces Bacterial Invasion.

Wu, Y-C / Yu, N / Rivas, C A / Mehrnia, N / Kantarci, A / Van Dyke, T E

Journal of dental research

2023 Volume 102, Issue 13, Page(s) 1478–1487

Abstract: Vital pulp therapy and root canal therapy (RCT) are the dominant treatment for irreversible pulpitis. While the success rate of these procedures is favorable, they have some limitations. For instance, RCT leads to removing significant dentin in the ... ...

Abstract	Vital pulp therapy and root canal therapy (RCT) are the dominant treatment for irreversible pulpitis. While the success rate of these procedures is favorable, they have some limitations. For instance, RCT leads to removing significant dentin in the coronal third of the tooth that increases root-fracture risk, which forces tooth removal. The ideal therapeutic goal is dental pulp regeneration, which is not achievable with RCT. Specialized proresolving mediators (SPMs) are well known for inflammatory resolution. The resolution of inflammation and tissue restoration or regeneration is a dynamic and continuous process. SPMs not only have potent immune-modulating functions but also effectively promote tissue homeostasis and regeneration. Resolvins have been shown to promote dental pulp regeneration. The purpose of this study was to explore further the cellular target of Resolvin E1 (RvE1) therapy in dental pulp regeneration and the impact of RvE1 in infected pulps. We investigated the actions of RvE1 on experimentally exposed pulps with or without microbial infection in an
MeSH term(s)	Mice ; Animals ; Pulpitis ; Dental Pulp/physiology ; Periapical Periodontitis/therapy ; Inflammation ; Bacteria ; Regeneration/physiology ; Axin Protein
Chemical Substances	5S,12R,18R-trihydroxy-6Z,8E,10E,14Z,16E-eicosapentaenoic acid (GND3JH08JA) ; Axin2 protein, mouse ; Axin Protein
Language	English
Publishing date	2023-10-13
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
ZDB-ID	80207-4
ISSN	1544-0591 ; 0022-0345
ISSN (online)	1544-0591
ISSN	0022-0345
DOI	10.1177/00220345231197156
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Article ; Online: Host Modulation and Treatment of Periodontal Disease.

Balta, M G / Papathanasiou, E / Blix, I J / Van Dyke, T E

Journal of dental research

2021 Volume 100, Issue 8, Page(s) 798–809

Abstract: ... pathways and promote the accumulation of T regulatory cells. Statins, like aspirin, have been shown ...

Abstract	Periodontitis is the sixth-most prevalent disease in the world and the first cause for tooth loss in adults. With focus shifted to the inflammatory/immune response in the pathogenesis of periodontitis, there is a critical need to evaluate host modulatory agents. Synthetic and biological disease-modifying antirheumatic drugs are a cornerstone for the treatment of inflammatory diseases. Recent prospective cohort studies showed that synthetic disease-modifying antirheumatic drugs improved periodontal clinical parameters following nonsurgical periodontal treatment in patients with rheumatoid arthritis. Treatment with recombinant humanized monoclonal antibodies against CD20 (rituximab) and IL-6 receptor (tocilizumab), the latter also in clinical trials for the treatment of COVID-19 pneumonia, resulted in decreased periodontal inflammation and improved periodontal status. Studies on the effect of TNF-α inhibitors in patients with periodontitis yielded inconsistent results. Recent data suggest that probiotics provide anti-inflammatory clinical benefit, as do nutritional supplements, such as n-3 fatty acids, when combined with periodontal therapy. Probiotics reduce the production of proinflammatory cytokines/chemokines by suppressing NF-κB pathways and promote the accumulation of T regulatory cells. Statins, like aspirin, have been shown to exhibit anti-inflammatory and bone-preserving actions by upregulating production of Specialized Proresolving Mediators (SPMs). Currently, there is insufficient scientific support for the topical delivery of statins or bisphosphonates as adjuncts to periodontal therapy. Here, we present a critical review of the most recent host modulatory agents applied in humans and the key immune pathways that they target. Emerging evidence from novel drug candidates, including SPMs and complement inhibitors as previously studied in animal models and currently in human clinical trials, suggests future availability of adjunctive therapeutic strategies for the management of periodontitis.
MeSH term(s)	Adult ; Animals ; COVID-19 ; Humans ; Periodontal Diseases/drug therapy ; Periodontitis/drug therapy ; Prospective Studies ; SARS-CoV-2
Language	English
Publishing date	2021-03-03
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural ; Review
ZDB-ID	80207-4
ISSN	1544-0591 ; 0022-0345
ISSN (online)	1544-0591
ISSN	0022-0345
DOI	10.1177/0022034521995157
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Article: Discrimination and the Health of African Americans: The Potential Importance of Intersectionalities.

Lewis, Tené T / Van Dyke, Miriam E

Current directions in psychological science

2018 Volume 27, Issue 3, Page(s) 176–182

Abstract: Research examining associations between self-reported experiences of discrimination overall (e.g ...

Abstract	Research examining associations between self-reported experiences of discrimination overall (e.g. potentially due to race, gender, socioeconomic status, age, etc…) and health -particularly among African-Americans - has grown rapidly over the past two decades. Yet recent findings suggest that self-reported experiences of
Language	English
Publishing date	2018-05-01
Publishing country	United States
Document type	Journal Article
ZDB-ID	2026362-4
ISSN	1467-8721 ; 0963-7214
ISSN (online)	1467-8721
ISSN	0963-7214
DOI	10.1177/0963721418770442
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Article ; Online: Single-Cell Transcriptomic Analysis of Dental Pulp and Periodontal Ligament Stem Cells.

Yang, Y / Alves, T / Miao, M Z / Wu, Y C / Li, G / Lou, J / Hasturk, H / Van Dyke, T E / Kantarci, A / Wu, D

Journal of dental research

2023 Volume 103, Issue 1, Page(s) 71–80

Abstract: The regeneration of periodontal, periapical, and pulpal tissues is a complex process requiring the direct involvement of cells derived from pluripotent stem cells in the periodontal ligament and dental pulp. Dental pulp stem cells (DPSCs) and periodontal ...

Abstract	The regeneration of periodontal, periapical, and pulpal tissues is a complex process requiring the direct involvement of cells derived from pluripotent stem cells in the periodontal ligament and dental pulp. Dental pulp stem cells (DPSCs) and periodontal ligament stem cells (PDLSCs) are spatially distinct with the potential to differentiate into similar functional and phenotypic cells. We aimed to identify the cell heterogeneity of DPSCs and PDLSCs and explore the differentiation potentials of their specialized organ-specific functions using single-cell transcriptomic analysis. Our results revealed 7 distinct clusters, with cluster 3 showing the highest potential for differentiation. Clusters 0 to 2 displayed features similar to fibroblasts. The trajectory route of the cell state transition from cluster 3 to clusters 0, 1, and 2 indicated the distinct nature of cell differentiation. PDLSCs had a higher proportion of cells (78.6%) at the G1 phase, while DPSCs had a higher proportion of cells at the S and G2/M phases (36.1%), mirroring the lower cell proliferation capacity of PDLSCs than DPSCs. Our study suggested the heterogeneity of stemness across PDLSCs and DPSCs, the similarities of these 2 stem cell compartments to be potentially integrated for regenerative strategies, and the distinct features between them potentially particularized for organ-specific functions of the dental pulp and periodontal ligament for a targeted regenerative dental tissue repair and other regeneration therapies.
MeSH term(s)	Periodontal Ligament ; Dental Pulp ; Cells, Cultured ; Stem Cells ; Cell Differentiation ; Cell Proliferation ; Gene Expression Profiling ; Osteogenesis/physiology
Language	English
Publishing date	2023-11-20
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Intramural ; Research Support, N.I.H., Extramural
ZDB-ID	80207-4
ISSN	1544-0591 ; 0022-0345
ISSN (online)	1544-0591
ISSN	0022-0345
DOI	10.1177/00220345231205283
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Article ; Online: Understanding the evolution of viviparity using intraspecific variation in reproductive mode and transitional forms of pregnancy.

Whittington, Camilla M / Van Dyke, James U / Liang, Stephanie Q T / Edwards, Scott V / Shine, Richard / Thompson, Michael B / Grueber, Catherine E

Biological reviews of the Cambridge Philosophical Society

2022 Volume 97, Issue 3, Page(s) 1179–1192

Abstract: How innovations such as vision, flight and pregnancy evolve is a central question in evolutionary biology. Examination of transitional (intermediate) forms of these traits can help address this question, but these intermediate phenotypes are very rare in ...

Abstract	How innovations such as vision, flight and pregnancy evolve is a central question in evolutionary biology. Examination of transitional (intermediate) forms of these traits can help address this question, but these intermediate phenotypes are very rare in extant species. Here we explore the biology and evolution of transitional forms of pregnancy that are midway between the ancestral state of oviparity (egg-laying) and the derived state, viviparity (live birth). Transitional forms of pregnancy occur in only three vertebrates, all of which are lizard species that also display intraspecific variation in reproductive phenotype. In these lizards (Lerista bougainvillii, Saiphos equalis, and Zootoca vivipara), geographic variation of three reproductive forms occurs within a single species: oviparity, viviparity, and a transitional form of pregnancy. This phenomenon offers the valuable prospect of watching 'evolution in action'. In these species, it is possible to conduct comparative research using different reproductive forms that are not confounded by speciation, and are of relatively recent origin. We identify major proximate and ultimate questions that can be addressed in these species, and the genetic and genomic tools that can help us understand how transitional forms of pregnancy are produced, despite predicted fitness costs. We argue that these taxa represent an excellent prospect for understanding the major evolutionary shift between egg-laying and live birth, which is a fundamental innovation in the history of animals.
MeSH term(s)	Animals ; Biological Evolution ; Lizards/genetics ; Oviparity/genetics ; Reproduction/genetics ; Snakes ; Viviparity, Nonmammalian/genetics
Language	English
Publishing date	2022-01-30
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural ; Research Support, U.S. Gov't, Non-P.H.S.
ZDB-ID	1423558-4
ISSN	1469-185X ; 0006-3231 ; 1464-7931
ISSN (online)	1469-185X
ISSN	0006-3231 ; 1464-7931
DOI	10.1111/brv.12836
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Article ; Online: Network stressors, personal stressors, and ambulatory blood pressure in African-American women-Does superwoman schema play a role?

Lewis, Tené T / Parker, Rachel / Murden, Raphiel / Spikes, Telisa / Erving, Christy / McKinnon, Izraelle I / Van Dyke, Miriam E / Booker, Bianca / Quyummi, Arshed / Vaccarino, Viola / Moore, Reneé H

Health psychology : official journal of the Division of Health Psychology, American Psychological Association

2023 Volume 42, Issue 7, Page(s) 485–495

Abstract: Objective: Life stressors have been linked to cardiovascular risk; however, studies typically focus on stressors that directly impact the individual, that is, personal stressors. Research suggests that women, particularly African-American women, may be ... ...

Abstract	Objective: Life stressors have been linked to cardiovascular risk; however, studies typically focus on stressors that directly impact the individual, that is, personal stressors. Research suggests that women, particularly African-American women, may be more vulnerable to network stressors that involve family members and friends-potentially due to norms around needing to be a "Superwoman." Yet few studies have examined these phenomena. Method: We examined associations between network, versus personal, stressors, and elevated blood pressure (BP) in N = 392 African-American women aged 30-46. Questionnaire-assessed negative life events were classified into upsetting network or personal stressors. BP was assessed in clinic and via 48-hr ambulatory monitoring. Linear and logistic regression models examined associations between type of stressors and 48-hr daytime and nighttime systolic BP (SBP) and diastolic BP (DBP), and sustained hypertension after adjusting for relevant covariates. Interactions with questionnaire-assessed superwoman schema (SWS) were tested in exploratory analyses. Results: In age and sociodemographic-adjusted models, network stressors were significantly associated with daytime SBP, β (SE) = 2.01 (0.51), p ≤ .0001, and DBP, β (SE) = 1.59 (0.37), p ≤ .0001, but personal stressors were not (p values > .10). Associations persisted after adjustment for cardiovascular and psychosocial risk factors. Patterns were similar for nighttime BP and sustained hypertension. There were no interactions with SWS. Conclusions: Network, but not personal, stressors were associated with elevated rates of daytime SBP and DBP, as well as sustained hypertension in African-American women, irrespective of SWS endorsement. Future research is needed to determine whether stress-management interventions focused on network stressors might impact BP in this high-risk population. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
MeSH term(s)	Female ; Humans ; Black or African American ; Blood Pressure/physiology ; Blood Pressure Monitoring, Ambulatory ; Circadian Rhythm/physiology ; Hypertension/epidemiology ; Risk Factors ; Stress, Psychological
Language	English
Publishing date	2023-06-20
Publishing country	United States
Document type	Journal Article
ZDB-ID	226369-5
ISSN	1930-7810 ; 0278-6133
ISSN (online)	1930-7810
ISSN	0278-6133
DOI	10.1037/hea0001309
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Article: Gendered Racial Microaggressions and Black Women's Sleep Health.

Erving, Christy L / Zajdel, Rachel / McKinnon, Izraelle I / Van Dyke, Miriam E / Murden, Raphiel J / Johnson, Dayna A / Moore, Reneé H / Lewis, Tené T

Social psychology quarterly

2023 Volume 86, Issue 2, Page(s) 107–129

Abstract: Gendered racial microaggressions reflect historical and contemporary gendered racism that Black women encounter. Although gendered racial microaggressions are related to psychological outcomes, it is unclear if such experiences are related to sleep ... ...

Abstract	Gendered racial microaggressions reflect historical and contemporary gendered racism that Black women encounter. Although gendered racial microaggressions are related to psychological outcomes, it is unclear if such experiences are related to sleep health. Moreover, the health effects of gendered racial microaggressions dimensions are rarely investigated. Using a cohort of Black women (N = 400), this study employs an intracategorical intersectional approach to (1) investigate the association between gendered racial microaggressions and sleep health, (2) assess whether gendered racial microaggressions dimensions are related to sleep health, and (3) examine whether the gendered racial microaggressions-sleep health association persists after accounting for depressive symptoms and worry. Gendered racial microaggressions were associated with poor sleep quality overall and four specific domains: subjective sleep quality, latency, disturbance, and daytime sleepiness. Two gendered racial microaggressions dimensions were especially detrimental for sleep: assumptions of beauty/sexual objectification and feeling silenced and marginalized. After accounting for mental health, the effect of gendered racial microaggressions on sleep was reduced by 47 percent. Future research implications are discussed.
Language	English
Publishing date	2023-03-17
Publishing country	United States
Document type	Journal Article
ZDB-ID	2009694-X
ISSN	1939-8999 ; 0190-2725
ISSN (online)	1939-8999
ISSN	0190-2725
DOI	10.1177/01902725221136139
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