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1.
Nutrients ; 16(13)2024 Jun 30.
Artigo em Inglês | MEDLINE | ID: mdl-38999843

RESUMO

The pathogenesis of anorexia nervosa (AN) has been hypothesized to involve several biological systems. However, reliable biomarkers for AN have yet to be established. This study was aimed to identify statistically significant and clinically meaningful peripheral biomarkers associated with AN. A systematic literature search was conducted to identify studies published in English from inception until 30 June 2022. We conducted two-level random-effects meta-analyses to examine the difference between AN and comparison groups across 52 distinct biomarkers and found that acylated ghrelin, adrenocorticotropic hormone (ACTH), carboxy-terminal collagen crosslinks (CTX), cholesterol, cortisol, des-acyl ghrelin, ghrelin, growth hormone (GH), obestatin, and soluble leptin receptor levels were significantly higher in cases of AN compared with those in non-AN controls. Conversely, C-reactive protein (CRP), CD3 positive, CD8, creatinine, estradiol, follicle-stimulating hormone (FSH), free thyroxine, free triiodothyronine, glucose, insulin, insulin-like growth factor 1 (IGF-1), leptin, luteinizing hormone, lymphocyte, and prolactin levels were significantly lower in AN compared with those in non-AN controls. Our findings indicate that peripheral biomarkers may be linked to the pathophysiology of AN, such as processes of adaptation to starvation. Scientific investigation into peripheral biomarkers may ultimately yield breakthroughs in personalized clinical care for AN.


Assuntos
Anorexia Nervosa , Biomarcadores , Grelina , Anorexia Nervosa/sangue , Humanos , Biomarcadores/sangue , Grelina/sangue , Feminino , Fator de Crescimento Insulin-Like I/metabolismo , Fator de Crescimento Insulin-Like I/análise , Leptina/sangue , Hormônio Adrenocorticotrópico/sangue , Hidrocortisona/sangue , Proteína C-Reativa/análise , Proteína C-Reativa/metabolismo , Adulto
2.
Int J Eat Disord ; 53(2): 296-301, 2020 02.
Artigo em Inglês | MEDLINE | ID: mdl-31846101

RESUMO

OBJECTIVE: Research indicates a link between ovarian hormones and eating pathology, suggesting that some women with an eating disorder may be ovarian hormone sensitive. Using premenstrual symptoms (PMS) as an indirect measure of ovarian hormone sensitivity, we investigated the association between 11 PMS domains and four core eating disorder symptoms: body dissatisfaction, binge eating, purging, and restriction. METHOD: Participants were young adult women (N = 455) who completed an online survey. PMS were assessed using the Daily Record of Severity of Problems and eating pathology with the Eating Pathology Symptoms Inventory. Pearson correlations were calculated between PMS domains and eating disorder symptoms followed by a stepwise regression to create a more refined model for each eating disorder symptom, including relevant covariates. RESULTS: Significant correlations between a majority of eating disorder symptoms and PMS emerged (r's = .13-.37; p < .01). Backward regression revealed significant PMS domain predictors for each symptom. The final models captured a small-to-moderate amount of variance for each eating disorder symptom (R2 = 0.06-0.25). DISCUSSION: Women who experience physical and psychological PMS may be at risk for eating disorder symptoms; PMS could be a marker of ovarian hormone sensitivity in women at risk for an eating disorder. Future studies should address mechanisms underlying this association.


Assuntos
Biomarcadores/sangue , Estradiol/sangue , Transtornos da Alimentação e da Ingestão de Alimentos/complicações , Síndrome Pré-Menstrual/complicações , Progesterona/sangue , Adulto , Estradiol/análise , Feminino , Humanos , Progesterona/análise , Inquéritos e Questionários , Adulto Jovem
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