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  1. Article ; Online: Leptin receptor and prolactin in pubertal disorders and chronic kidney disease.

    Villasís-Keever, Miguel A / Zurita-Cruz, Jessie N / Serret-Montoya, Juana / Zepeda-Martinez, Claudia Del Carmen / Alegria-Torres, Gabriela / Barradas-Vazquez, Aly S / Hernández-Hernández, Beatriz C / Alonso-Flores, Sara R / Manuel-Apolinar, Leticia / Damasio-Santana, Leticia

    Pediatrics international : official journal of the Japan Pediatric Society

    2022  Volume 64, Issue 1, Page(s) e15183

    Abstract: Background: Knowledge of chronic kidney disease (CKD) with pubertal disorders (PD) in adolescent boys is limited as few studies have explored this disorder. This study aimed to identify the usefulness of assessing hormonal parameters in male adolescents ...

    Abstract Background: Knowledge of chronic kidney disease (CKD) with pubertal disorders (PD) in adolescent boys is limited as few studies have explored this disorder. This study aimed to identify the usefulness of assessing hormonal parameters in male adolescents with CKD and their correlation with PD in a 12-month follow-up period.
    Methods: A prospective cohort study was conducted among male adolescents with CKD (stages IV and V). Data regarding the age at puberty onset were collected from the patients' clinical records and through interview. The patients were followed up for 12 months during their pubertal development. At the beginning, routine hormonal profile tests were performed to examine the patients' thyroid profile, prolactin levels, luteinizing hormone, follicle-stimulating hormone, testosterone, leptin, and receptor leptin. The hormonal profiles of patients with and without PD were compared. Comparisons between the groups were performed using the Student t-test and Fisher's exact tests. Logistic regression analysis was also performed.
    Results: Data of 64 patients (26/64 with PD) were analyzed. The median age was 15 years and the median time for CKD evolution was 11 months. No differences between groups were noted in the general or biochemical characteristics of the patients. The hormonal parameters, prolactin levels were higher and the free leptin and free thyroxine levels were lower in patients with PD. Leptin receptor levels of >0.90 ng/mL (risk ratio [RR], 8.6; P = 0.004) and hyperprolactinemia (RR, 21.3; P = 0.049) were the risk factors for PD.
    Conclusions: Leptin receptor levels of >0.90 ng/mL and hyperprolactinemia are associated with the development of PD in male adolescents with CKD.
    MeSH term(s) Adolescent ; Humans ; Male ; Receptors, Leptin ; Prolactin ; Leptin ; Hyperprolactinemia/complications ; Prospective Studies ; Puberty ; Renal Insufficiency, Chronic/complications
    Chemical Substances Receptors, Leptin ; Prolactin (9002-62-4) ; Leptin
    Language English
    Publishing date 2022-11-08
    Publishing country Australia
    Document type Journal Article
    ZDB-ID 1470376-2
    ISSN 1442-200X ; 1328-8067
    ISSN (online) 1442-200X
    ISSN 1328-8067
    DOI 10.1111/ped.15183
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Hyperprolactinemia as a prognostic factor for menstrual disorders in female adolescents with advanced chronic kidney disease.

    Serret-Montaya, Juana / Zurita-Cruz, Jessie N / Villasís-Keever, Miguel A / Aguilar-Kitsu, Alejandra / Del Carmen Zepeda-Martinez, Claudia / Cruz-Anleu, Irving / Hernández-Hernández, Beatriz C / Alonso-Flores, Sara R / Manuel-Apolinar, Leticia / Damasio-Santana, Leticia / Hernandez-Cabezza, Abigail / Romo-Vázquez, José C

    Pediatric nephrology (Berlin, Germany)

    2020  Volume 35, Issue 6, Page(s) 1041–1049

    Abstract: Background: In adolescents with chronic kidney disease (CKD), menstrual disorders (MD) are common, which can make the management of CKD difficult and can sometimes delay renal transplantation. This study aimed to identify the usefulness of hormonal ... ...

    Abstract Background: In adolescents with chronic kidney disease (CKD), menstrual disorders (MD) are common, which can make the management of CKD difficult and can sometimes delay renal transplantation. This study aimed to identify the usefulness of hormonal measurements in adolescents with CKD and their relationships with MD during a 1-year follow-up.
    Methods: A prospective cohort study was designed. Adolescents with CKD stages IV and V were included. Through clinical files and via interview, the ages at puberty onset, menarche and the date of last menstruation were identified. A 1-year follow-up was conducted over a menstrual cycle calendar. At the beginning of follow-up, routine hormonal profiles (thyroid profiles, prolactin, luteinizing hormone (LH), follicle-stimulating hormone (FSH), and estradiol) were assessed. We compared the hormonal profiles of the patients with and without MD (wMD vs. woMD). Comparisons between groups were made by Wilcoxon and Fisher's tests. Logistic regression analysis was used.
    Results: Fifty-seven patients, including 30 patients classified as wMD, were analyzed. The median age was 15 years, and the median time of CKD evolution was 18 months. There were no differences in general and biochemical characteristics between patients wMD and woMD. In terms of hormonal measurements, the levels of thyroid-stimulating hormone (TSH) and prolactin were higher in the wMD patients. A prolactin level ≥ 36.8 ng/ml was a risk factor for presenting with MD (RR 34.4, p = 0.002).
    Conclusions: Hyperprolactinemia is correlated with MD in adolescents with CKD.
    MeSH term(s) Adolescent ; Case-Control Studies ; Disease Progression ; Female ; Follicle Stimulating Hormone/blood ; Humans ; Hyperprolactinemia/blood ; Hyperprolactinemia/complications ; Hyperprolactinemia/diagnosis ; Menstruation Disturbances/blood ; Menstruation Disturbances/etiology ; Prospective Studies ; Renal Insufficiency, Chronic/complications ; Risk Factors ; Thyrotropin/blood
    Chemical Substances Follicle Stimulating Hormone (9002-68-0) ; Thyrotropin (9002-71-5)
    Language English
    Publishing date 2020-02-10
    Publishing country Germany
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 631932-4
    ISSN 1432-198X ; 0931-041X
    ISSN (online) 1432-198X
    ISSN 0931-041X
    DOI 10.1007/s00467-020-04494-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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