Immune System Irregularities Found in Women With Postpartum Mood Disorders

AHA Publisher — Mon, 05 Dec 2022 08:00:03 +0000

Cedars-Sinai via Newswise – LOS ANGELES (Dec. 2, 2022) — Women with prolonged mental health problems up to three years after childbirth may be suffering from irregular immune system responses, according to new research by Cedars-Sinai investigators. The findings are published in the American Journal of Reproductive Immunology. “We found that women who had clinically elevated symptoms of depression, anxiety, and/or post-traumatic stress disorder (PTSD) two to three years after delivery had genetic evidence of a higher prevalence of immune system defense mechanism activation,”said Eynav Accortt, PhD, principal investigator of the study and director of the Reproductive Psychology Program at Cedars-Sinai. “These women also appeared to have a reduction in the activity of genes related to antiviral immune responses that can offer the body protection from pathogens,” said Accortt, a clinical psychologist. According to the Centers for Disease Control and Prevention, about 1 in 8 women experience significant symptoms of perinatal mood and anxiety disorders that can interfere with overall health, daily activities and family life. Much of the research into maternal mental health to date has focused on the perinatal period and the first year after childbirth. Cedars-Sinai investigators surveyed 33 women about their mental health over a longer period, two to three years after giving birth. Study participants also provided a blood sample, and scientists performed bioinformatic analyses of differential gene expression. “Delayed or persistent postpartum anxiety, depression and PTSD is an area that is woefully understudied,” said Sarah Kilpatrick, MD, PhD, chair of the Department of Obstetrics and Gynecology at Cedars-Sinai and one of the study’s co-authors. “In this preliminary research, we have identified genetic differences related to inflammation when comparing women experiencing prolonged symptoms of mood and anxiety disorders to those who did not report poor mental health. Additional studies will be needed for a deeper dive into the role inflammation may play in postpartum mental illness,” said Kilpatrick. A primary goal of this work is to design a blood test that would detect which women are at the highest risk for serious and prolonged postpartum mood disorders, according to Accortt. “A blood test could help us develop early interventions that provide medical and mental health treatments and support. We want to figure out why some women are at greater risk for depression, anxiety and PTSD. No one should have to suffer for years after childbirth,” said Accortt. To read the original article click here.

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Sleep and Biological Rhythm Variables Linked to Severity of Depression, Anxiety During Pregnancy

AHA Publisher — Wed, 19 Jan 2022 08:00:54 +0000

McMaster University via News-Medical – A set of parameters including sleep and biological rhythm variables are closely associated with the severity of depressive and anxiety symptoms, starting in the third trimester of pregnancy to the third postpartum month, according to a new study. The three-month period before and after giving birth is a vulnerable time for women’s mental health. It is estimated that 15 to 18 per cent of women experience anxiety and seven to 13 per cent experience depression during this peripartum period. In addition, nearly 10 per cent of women experience clinical levels of comorbid anxiety and depression during this time. In the largest observational study to date investigating changes in sleep and biological rhythms during the peripartum period, researchers identified several variables that are linked to depression and anxiety. Most notably, changes in the circadian quotient (the strength of the circadian rhythms), the average amount of activity during nighttime rest, and the amount of fragmentation of nighttime rest were strongly linked to higher depressive and anxiety symptoms. “Our findings highlight the importance of stabilizing the internal biological clock during the peripartum period to maintain healthy mood and minimize anxiety,” said Benicio Frey, senior author of the study and professor in the department of psychiatry and behavioral neurosciences at McMaster University. “Given the findings, future efforts should be made to standardize evidence-based interventions targeting these biological rhythms variables identified by our team, either as treatment or prevention strategies.” Frey and his research team conducted the study from the Women’s Health Concerns Clinic at St. Joseph’s Healthcare Hamilton. This clinic specializes in psychiatric disorders during the peripartum, premenstrual, and perimenopausal periods. Researchers recruited 100 women, 73 of whom they followed from the start of the third trimester to three months postpartum. They analyzed subjective and objective measures of sleep, biological rhythms, melatonin levels, and light exposure using a variety of tools, including questionnaires, actigraphs (wearable sleep monitors), laboratory assays, and other methods. Interestingly, the findings indicate that certain biological rhythms variables may be important to depressive symptoms at specific points along the peripartum timeline. For instance, higher fragmentation of nighttime rest was linked to a decrease in depressive symptoms at six to 12 weeks postpartum – a period that tends to coincide with a higher risk of developing postpartum depression. To read the original article click here.

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Immune System Irregularities Found in Women With Postpartum Mood Disorders

Sleep and Biological Rhythm Variables Linked to Severity of Depression, Anxiety During Pregnancy