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Tassone VK, Wu M, Meshkat S, Duffy SF, Baig S, Jung H, Lou W, Bhat V. The association between depressive symptoms and high-sensitivity C-reactive protein: Is body mass index a moderator? Brain Behav Immun Health 2024; 38:100773. [PMID: 38698915 PMCID: PMC11063595 DOI: 10.1016/j.bbih.2024.100773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 05/05/2024] Open
Abstract
Objective Depression and obesity are highly comorbid conditions with shared biological mechanisms. It remains unclear how depressive symptoms and body mass index (BMI) interact in relation to inflammation. This cross-sectional study investigated the independent associations of depressive symptoms and BMI with high sensitivity C-reactive protein (hs-CRP), as well as the moderating role of BMI on the depressive symptoms-hs-CRP association. Methods Participants (n = 8827) from the 2015-2018 National Health and Nutrition Examination Surveys were aged ≥20 with a BMI ≥18.5 kg/m2, completed the Depression Screener, and had hs-CRP data. Multivariable linear regression was used to analyze hs-CRP in relation to depressive symptoms and BMI. An interaction term was included to examine whether the depressive symptoms-hs-CRP relationship differs depending on BMI. Results There was a slight, albeit non-significant, increase in hs-CRP levels with each one-point increase in depressive symptoms (aCoef.Estm. = 0.01, 95% CI = -0.05, 0.06, p = 0.754). Participants with overweight (aCoef.Estm. = 1.07, 95% CI = 0.61, 1.53, p < 0.001) or obese (aCoef.Estm. = 3.51, 95% CI = 3.04, 3.98, p < 0.001) BMIs had higher mean hs-CRP levels than those with a healthy BMI. There were no significant interactions between depressive symptoms and overweight (aCoef.Estm. = 0.04, 95% CI = -0.04, 0.13, p = 0.278) or obese (aCoef.Estm. = 0.11, 95% CI = -0.01, 0.22, p = 0.066) BMI indicating a lack of difference in the depressive symptoms-hs-CRP association across participants in the healthy versus overweight and obese ranges. Conclusions This study suggests that BMI might not act as a moderator in the association between depressive symptoms and hs-CRP. Results should be replicated in larger samples. Further research is warranted to understand underlying mechanisms.
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Affiliation(s)
- Vanessa K. Tassone
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, Ontario, M5B 1M4, Canada
| | - Michelle Wu
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, Ontario, M5B 1M4, Canada
| | - Shakila Meshkat
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, Ontario, M5B 1M4, Canada
| | - Sophie F. Duffy
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, Ontario, M5B 1M4, Canada
| | - Smia Baig
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, Ontario, M5B 1M4, Canada
| | - Hyejung Jung
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, M5T 3M7, Canada
| | - Wendy Lou
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, M5T 3M7, Canada
| | - Venkat Bhat
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, Ontario, M5B 1M4, Canada
- Institute of Medical Science, University of Toronto, Toronto, Ontario, M5S 1A8, Canada
- Mental Health and Addictions Services, St. Michael's Hospital, Toronto, Ontario, M5B 1W8, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, M5T 1R8, Canada
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Tassone VK, Duffy SF, Dunnett S, Boparai JK, Zuluaga Cuartas V, Jung H, Wu M, Goel N, Lou W, Bhat V. Decreased odds of depressive symptoms and suicidal ideation with higher education, depending on sex and employment status. PLoS One 2024; 19:e0299817. [PMID: 38568884 PMCID: PMC10990184 DOI: 10.1371/journal.pone.0299817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 02/15/2024] [Indexed: 04/05/2024] Open
Abstract
BACKGROUND Higher education is associated with reduced depressive symptoms and requires investment without guaranteed employment. It remains unclear how sex and employment status together contribute to the association between mental health and educational attainment. This study investigated the role of sex and employment status together in the associations of 1) depressive symptoms and 2) suicidal ideation with education. METHODS Using 2005-2018 National Health and Nutrition Examination Survey data, cross-sectional analyses were conducted on individuals ≥20 years who completed the depression questionnaire and reported their employment status and highest level of education. Survey-weighted multivariable logistic regression models were used to explore how depressive symptoms and suicidal ideation are associated with educational attainment in an analysis stratified by sex and employment status. To account for multiple testing, a significance level of a < 0.01 was used. RESULTS Participants (n = 23,669) had a weighted mean age of 43.25 (SD = 13.97) years and 47% were female. Employed females (aOR = 0.47, 95% CI 0.32, 0.69), unemployed females (aOR = 0.47, 95% CI 0.29, 0.75), and unemployed males (aOR = 0.31, 95% CI 0.17, 0.56) with college education had reduced odds of depressive symptoms compared to those with high school education. Employed females with college education also had reduced suicidal ideation odds compared to those with high school education (aOR = 0.41, 95% CI 0.22, 0.76). CONCLUSIONS Females demonstrated significant associations between depressive symptoms and education, regardless of employment status, whereas males demonstrated an association only if unemployed. Employed females, in particular, demonstrated a significant association between suicidal ideation and education. These findings may inform future research investigating the underlying mechanisms and etiology of these sex-employment status differences in the association between mental health and education.
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Affiliation(s)
- Vanessa K. Tassone
- Interventional Psychiatry Program, St. Michael’s Hospital, Toronto, Ontario, Canada
| | - Sophie F. Duffy
- Interventional Psychiatry Program, St. Michael’s Hospital, Toronto, Ontario, Canada
| | - Sarah Dunnett
- Interventional Psychiatry Program, St. Michael’s Hospital, Toronto, Ontario, Canada
| | - Josheil K. Boparai
- Interventional Psychiatry Program, St. Michael’s Hospital, Toronto, Ontario, Canada
| | | | - Hyejung Jung
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Michelle Wu
- Interventional Psychiatry Program, St. Michael’s Hospital, Toronto, Ontario, Canada
| | - Navya Goel
- Interventional Psychiatry Program, St. Michael’s Hospital, Toronto, Ontario, Canada
| | - Wendy Lou
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Venkat Bhat
- Interventional Psychiatry Program, St. Michael’s Hospital, Toronto, Ontario, Canada
- Institute of Medical Science, Medical Sciences Building, University of Toronto, Toronto, Ontario, Canada
- Mental Health and Addictions Services, St. Michael’s Hospital, Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
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Meshkat S, Tassone VK, Wu M, Duffy SF, Boparai JK, Jung H, Lou W, Vyas MV, Bhat V. Does Self-Reported BMI Modify the Association Between Stroke and Depressive Symptoms? Can J Neurol Sci 2024:1-7. [PMID: 38523509 DOI: 10.1017/cjn.2024.41] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
BACKGROUND Depressive symptoms are common in stroke survivors. While obesity has been associated with stroke and depression, its influence on the association between stroke and depressive symptoms is unknown. METHODS Cross-sectional data from 2015 to 2016 Canadian Community Health Survey was used. History of stroke was self-reported and our outcome of interest was depressive symptoms in the prior 2 weeks, measured using the 9-item Patient Health Questionnaire. Self-reported body mass index (BMI) was modeled as cubic spline terms to allow for nonlinear associations. We used multivariable logistic regression to evaluate the association between stroke and depressive symptoms and added an interaction term to evaluate the modifying effect of BMI. RESULTS Of the 47,521 participants, 694 (1.0%) had a stroke and 3314 (6.5%) had depressive symptoms. Those with stroke had a higher odds of depressive symptoms than those without (aOR = 3.13, 95% CI 2.48, 3.93). BMI did not modify the stroke-depressive symptoms association (P interaction = 0.242) despite the observed variation in stroke-depressive symptoms association across BMI categories,: normal BMI [18.5-25 kg/m2] (aOR† = 3.91, 95% CI 2.45, 6.11), overweight [25-30 kg/m2] (aOR† = 2.63, 95% CI 1.58, 4.20), and obese [>30 kg/m2] (aOR† = 2.76, 95% CI 1.92, 3.94). Similar results were found when depressive symptoms were modeled as a continuous measure. CONCLUSION The association between stroke and depressive symptoms is not modified by BMI, needing additional work to understand the role of obesity on depression after stroke.
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Affiliation(s)
- Shakila Meshkat
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, ON, Canada
| | - Vanessa K Tassone
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, ON, Canada
| | - Michelle Wu
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, ON, Canada
| | - Sophie F Duffy
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, ON, Canada
| | - Josheil K Boparai
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, ON, Canada
| | - Hyejung Jung
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Wendy Lou
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
| | - Manav V Vyas
- Division of Neurology, Department of Medicine, University of Toronto, Toronto, ON, Canada
- St. Michael's Research Institute, St. Michael's Hospital, Unity Health Toronto, Toronto, ON, Canada
| | - Venkat Bhat
- Interventional Psychiatry Program, St. Michael's Hospital, Toronto, ON, Canada
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada
- Institute of Medical Science, University of Toronto, Toronto, ON, Canada
- Mental Health and Addictions Services, St. Michael's Hospital, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
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Tassone VK, Meshkat S, Pang H, Wu M, Duffy SF, Jung H, Lou W, Bhat V. Increased odds of high body mass index in depression with self-reported antidepressant use. Gen Psychiatr 2023; 36:e101204. [PMID: 38116458 PMCID: PMC10728957 DOI: 10.1136/gpsych-2023-101204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 10/30/2023] [Indexed: 12/21/2023] Open
Affiliation(s)
- Vanessa K Tassone
- Interventional Psychiatry Program, St Michael's Hospital, Toronto, Ontario, Canada
| | - Shakila Meshkat
- Interventional Psychiatry Program, St Michael's Hospital, Toronto, Ontario, Canada
| | - Hilary Pang
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Michelle Wu
- Interventional Psychiatry Program, St Michael's Hospital, Toronto, Ontario, Canada
| | - Sophie F Duffy
- Interventional Psychiatry Program, St Michael's Hospital, Toronto, Ontario, Canada
| | - Hyejung Jung
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Wendy Lou
- Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Venkat Bhat
- Interventional Psychiatry Program, St Michael's Hospital, Toronto, Ontario, Canada
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
- Institute of Medical Science, University of Toronto, Toronto, Ontario, Canada
- Mental Health and Addictions Services, St. Michael’s Hospital, Toronto, Ontario, Canada
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Abstract
Natural autoantibodies are primarily immunoglobulin M (IgM) antibodies that bind to a variety of self-antigens, including self-IgG. Accounting for a large proportion of the early B cell repertoire, such polyspecific autoantibodies are speculated to contribute to the homeostasis and/or competence of the primary humoral immune system. Recent studies indicate that the leukemia cells from most patients with chronic lymphocytic leukemia (CLL) also express such IgM autoantibodies. Similarly, the leukemia cells from many CLL patients react with murine monoclonal antibodies (mAbs) specific for crossreactive idiotypes (CRIs) associated with human IgM autoantibodies. In particular, leukemic cells frequently react with G6, a mAb specific for an Ig heavy chain (H chain)-associated CRI, and/or with 17.109, a mAb that defines a kappa light chain (L chain)-associated CRI. Generated against IgM rheumatoid factor (RF) paraproteins, G6 and 17.109 each recognize a major CRI that is present in many IgM RF paraproteins. Furthermore, over 90% of the IgM paraproteins found to bear both H and L chain-associated CRIs also are found to have RF activity. Molecular characterization of these CRIs demonstrates that each is a serologic marker for expression of a highly conserved Ig V gene. As such, the frequent production of IgM polyspecific autoantibodies in CLL simply may reflect the frequent use of such highly conserved autoantibody-encoding Ig V genes with little or no somatic mutation. To test this hypothesis, we generated murine transfectomas to pair the 17.109-reactive kappa L chain of SMI, a 17.109/G6-reactive CLL population, with the Ig H chain of SMI or other G6-reactive leukemia cells or tonsillar lymphocytes. Cotransfection of vectors encoding the Ig H and L chains of SMI generated transfectomas that produce IgM kappa RF autoantibodies reactive with human IgG1 and IgG4. In contrast to G6/17.109-reactive IgM kappa RF Waldenstrom's paraproteins, the SMI IgM kappa also reacts with several other self-antigens, including myoglobin, actin, and ssDNA. However, cotransfection of the SMI L chain with a vector encoding any one of 10 different G6-reactive Ig H chains generated transfectomas that produce IgM kappa antibodies without detectable polyspecific autoantibody activity. These results indicate that polyspecific antiself-reactivity of G6/17.019-reactive Ig is dependent on the somatically generated Ig third complementarity determining region. Collectively, these studies imply that selection may be responsible for the frequent expression of polyspecific autoantibodies in CLL and early B cell ontogeny.
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Affiliation(s)
- T Martin
- Institut de Chimiebiologique, Faculté de Médecine, Strasburg, France
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Kipps TJ, Duffy SF. Relationship of the CD5 B cell to human tonsillar lymphocytes that express autoantibody-associated cross-reactive idiotypes. J Clin Invest 1991; 87:2087-96. [PMID: 1710233 PMCID: PMC296965 DOI: 10.1172/jci115239] [Citation(s) in RCA: 63] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
We examined human tonsillar B cells for expression of autoantibody heavy-chain or kappa light-chain cross-reactive idiotypes (CRIs), respectively defined by murine MAbs G6 or 17.109. We find 17.109 or G6 each specifically binds a subpopulation of B cells, respectively reacting with 3.8 +/- 3% (mean +/- SD) or 2.0 +/- 1.2% of all tonsillar lymphocytes. Cells reactive with both 17.109 and G6 comprise only 0.4 +/- 0.3% of tonsillar lymphocytes. Although each tested specimen had 17.109-positive cells, 2 of 19 tonsils (11%) did not have any G6-reactive cells. We find that CRI-positive cells and CD5 B cells both co-express slgD but fail to bind peanut agglutinin or MAbs specific for CD10, indicating that both cell types reside in the mantle zones of secondary B cell follicles. However, less than half of the B cells bearing one or both of these CRIs express detectable levels of CD5. Nevertheless, we find that G6-reactive lymphocytes constitute a multiclonal population of cells that express homologous heavy chain variable region genes, each rearranged to one of several distinct and apparently nonmutated D and JH gene segments. Collectively, these studies indicate that expression of nondiversified autoantibody-encoding variable region genes may not be an exclusive property of B cells that bear detectable levels of the CD5 surface antigen.
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MESH Headings
- Amino Acid Sequence
- Antibodies, Monoclonal/immunology
- Antigens, CD/analysis
- Antigens, Differentiation/analysis
- Antigens, Differentiation, T-Lymphocyte/analysis
- Antigens, Neoplasm/analysis
- Autoantibodies/genetics
- Autoantibodies/immunology
- B-Lymphocyte Subsets/immunology
- Base Sequence
- CD3 Complex
- CD5 Antigens
- Cross Reactions
- Flow Cytometry
- Gene Rearrangement, B-Lymphocyte, Heavy Chain
- Genes, Immunoglobulin
- Immunoglobulin Heavy Chains/genetics
- Immunoglobulin Idiotypes/genetics
- Immunoglobulin Idiotypes/immunology
- Immunoglobulin Variable Region/genetics
- Molecular Sequence Data
- Neprilysin
- Oligonucleotides/chemistry
- Palatine Tonsil/cytology
- Polymerase Chain Reaction
- Receptors, Antigen, T-Cell/analysis
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Affiliation(s)
- T J Kipps
- Department of Medicine, University of California, San Diego, La Jolla 92093-0945
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