Vandrize Meneghini, William R Tebar, Itamar S Santos, Carolina C P S Janovsky, Ana C Varella, Paulo A Lotufo, José A Sgarbi, Patrícia F S Teixeira, Isabela M Benseñor
{"title":"Thyroid peroxidase antibodies were associated with prevalent carotid intima-media thickness in middle-age and older adults: the ELSA-Brasil cohort.","authors":"Vandrize Meneghini, William R Tebar, Itamar S Santos, Carolina C P S Janovsky, Ana C Varella, Paulo A Lotufo, José A Sgarbi, Patrícia F S Teixeira, Isabela M Benseñor","doi":"10.1007/s40618-024-02475-3","DOIUrl":"https://doi.org/10.1007/s40618-024-02475-3","url":null,"abstract":"<p><strong>Purpose: </strong>Understanding the relationship between antithyroperoxidase antibodies (TPOAb) and carotid intima-media thickness (cIMT) could provide insights into the mechanisms linking thyroid autoimmunity and cardiovascular disease. We aimed to explore the association of multiple categories of TPOAb with the increased cIMT at baseline and at follow-up in participants from the ELSA-Brasil Study.</p><p><strong>Methods: </strong>This prospective cohort study analyzed data from 9,264 participants (51.5 ± 8.9 years old, 55.9% women) without a history of cardiovascular disease. Fasting serum TPOAb levels were determined. Values of cIMT equal to or above one deviation standard of the sample's mean were classified as increased cIMT at baseline. The increased cIMT after the 8-year follow-up was calculated after excluding participants with increased cIMT at baseline. Multivariate analyses were done using binary logistic and Poisson regression models.</p><p><strong>Results: </strong>The increased cIMT was prevalent in 14.3% of the participants at baseline and its development occurred in 16.8% participants during the cohort. After adjustment for all confounder variables, TPOAb detectability (OR = 1.84, 95%CI = 1.21-2.79), and low detectable (OR = 1.81, 95%CI = 1.18-2.75), high detectable (OR = 2.01, 95%CI = 1.29-3.11) and positive (OR = 1.70, 95%CI = 1.07-2.70) TPOAb were positively associated with increased cIMT at baseline. The associations of low and high detectable TPOAb and increased cIMT at baseline were consistent when excluding those with thyroid dysfunction. There was no statistically significant association between TPOAb levels and increased cIMT at follow-up (p > 0.05), neither for all sample nor for euthyroid individuals.</p><p><strong>Conclusion: </strong>Different levels of TPOAb, including its detectability, were associated with increased cIMT at baseline in the studied sample. We highlight that may be relevant to consider the levels of TPOAb detectability as possible marker of increased cardiovascular risk.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Filippo Crimì, Francesca Turatto, Carlo D'Alessandro, Giovanni Sussan, Maurizio Iacobone, Francesca Torresan, Irene Tizianel, Cristina Campi, Emilio Quaia, Mario Caccese, Filippo Ceccato
{"title":"Texture analysis can predict response to etoposide-doxorubicin-cisplatin in patients with adrenocortical carcinoma.","authors":"Filippo Crimì, Francesca Turatto, Carlo D'Alessandro, Giovanni Sussan, Maurizio Iacobone, Francesca Torresan, Irene Tizianel, Cristina Campi, Emilio Quaia, Mario Caccese, Filippo Ceccato","doi":"10.1007/s40618-024-02476-2","DOIUrl":"https://doi.org/10.1007/s40618-024-02476-2","url":null,"abstract":"<p><strong>Background: </strong>The adrenocortical carcinoma (ACC) is a rare and highly aggressive malignancy originating from the adrenal cortex. These patients usually undergo chemotherapy with etoposide, doxorubicin, cisplatin and mitotane (EDP-M) in case of locally advanced or metastatic ACC. Computed tomography (CT) radiomics showed to be useful in adrenal pathologies. The study aimed to analyze the association between response to EDP-M treatment and CT textural features at diagnosis in patients with locally advanced or metastatic ACCs.</p><p><strong>Methods: </strong>We enrolled 17 patients with advanced or metastatic ACC who underwent CT before and after EDP-M therapy. The response to treatment was evaluated according to RECIST 1.1, Choi, and volumetric criteria. Based on the aforementioned criteria, the patients were classified as responders and not responders. Textural features were extracted from the biggest lesion in contrast-enhanced CT images with LifeX software. ROC curves were drawn for the variables that were significantly different (p < 0.05) between the two groups.</p><p><strong>Results: </strong>Long-run high grey level emphasis (LRHGLE_GLRLM) and histogram kurtosis were significantly different between responder and not responder groups (p = 0.04) and the multivariate ROC curve combining the two features showed a very good AUC (0.900; 95%IC: 0.724-1.000) in discriminating responders from not responders. More heterogeneous tissue texture of initial staging CT in locally advanced or metastatic ACC could predict the positive response to EDP-M treatment.</p><p><strong>Conclusions: </strong>Adrenal texture is able to predict the response to EDP-M therapy in patients with advanced ACC.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Iacopo Chiodini, Daniela d'Angela, Alberto Falchetti, Luigi Gennari, Nazzarena Malavolta, Laura Masi, Antonio Migliore, Massimiliano Orso, Barbara Polistena, Domenico Rendina, Alfredo Scillitani, Federico Spandonaro, Giuseppe Vezzoli, Fabio Vescini
{"title":"Areas of uncertainty on the diagnosis, treatment, and follow-up of hypophosphatemia in adults: an Italian Delphi consensus.","authors":"Iacopo Chiodini, Daniela d'Angela, Alberto Falchetti, Luigi Gennari, Nazzarena Malavolta, Laura Masi, Antonio Migliore, Massimiliano Orso, Barbara Polistena, Domenico Rendina, Alfredo Scillitani, Federico Spandonaro, Giuseppe Vezzoli, Fabio Vescini","doi":"10.1007/s40618-024-02458-4","DOIUrl":"https://doi.org/10.1007/s40618-024-02458-4","url":null,"abstract":"<p><strong>Purpose: </strong>The study aimed to present the results of a Delphi consensus involving Italian experts focusing on the management of hypophosphatemia in adults.</p><p><strong>Methods: </strong>A multidisciplinary advisory board of nine physicians, experts in hypophosphatemia management, was established. Next, a literature search was performed to identify international guidelines, consensus, and clinical pathways, which were later presented to the advisory board. Collaboratively, the advisory board and authoring team selected key statements for the consensus process and focused on areas of uncertainty related to the management of hypophosphatemia. The advisory board also indicated the experts to be invited to participate in the consensus process. The Delphi method was employed to reach a consensus.</p><p><strong>Results: </strong>The literature search yielded one guideline, five consensus documents, and one clinical pathway. While our search strategy aimed to identify documents on the management of all types of hypophosphatemia, most of the guidelines and consensus documents retrieved focused on X-linked hypophosphatemia. The consensus process focused on 11 key issues, achieving strong convergence (over 70% consensus) in the first Delphi round for 8 out of the 11 statements. Three statements proceeded to the second round, with strong agreement reached for two. Notably, consensus was not reached for the statement concerning the measurement of fibroblast growth factor 23 for diagnostic purposes.</p><p><strong>Conclusion: </strong>The study revealed that the community of clinical experts is well-informed and in agreement regarding hypophosphatemia management. It emphasized the importance of developing clear national guidance documents to support clinicians and multidisciplinary teams in patient management. These documents are crucial not only for healthcare professionals but also for those responsible for defining pathways and services, facilitating a more accurate management of hypophosphatemic patients.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Long-term outcome of Graves' orbitopathy following treatment with sirolimus.","authors":"Simone Comi, Giada Cosentino, Giulia Lanzolla, Francesca Menconi, Maria Novella Maglionico, Chiara Posarelli, Francesco Latrofa, Roberto Rocchi, Michele Figus, Ferruccio Santini, Michele Marinò","doi":"10.1007/s40618-024-02470-8","DOIUrl":"https://doi.org/10.1007/s40618-024-02470-8","url":null,"abstract":"<p><strong>Objectives: </strong>Sirolimus was found to be associated with a better outcome of Graves' orbitopathy (GO) at 24 weeks compared to methylprednisolone. We conducted a retrospective study to investigate its efficacy and safety over a longer period.</p><p><strong>Methods: </strong>Data from 40 consecutive patients with moderate-to-severe, active GO, 20 treated with sirolimus and 20 with methylprednisolone, were collected.</p><p><strong>Primary outcome: </strong>overall outcome (composite evaluation) of GO at 48 weeks.</p><p><strong>Secondary outcomes: </strong>(1) GO outcome at 24 weeks, and, at 24 and 48 weeks: (2) outcome of single eye features; (3) quality of life (GO-QoL); (4) TSH-receptor antibodies; (5) GO relapse at 48 weeks; (6) adverse events.</p><p><strong>Results: </strong>The overall GO outcome at 48 weeks did not differ between the two groups (responders: 55% vs 55%). At 24 weeks, prevalence of responders was greater in sirolimus group (65% vs 25%; P = 0.01). A reduction ≥ 1 point in clinical activity score (CAS) was more frequent in sirolimus patients at 24 (85% vs 40%; P = 0.005) and 48 weeks (75% vs 60%; P = 0.03). The proportion of GO-QoL responders (appearance subscale) at 24 weeks was greater in sirolimus group (62.5% vs 26.3%; P = 0.03). No difference was observed for the remaining outcome measures.</p><p><strong>Conclusions: </strong>Treatment with sirolimus is followed by a greater overall response of GO compared with methylprednisolone at 24 weeks, but not at 48 weeks, when only CAS is affected. A more prolonged period of treatment may be required for a better outcome to be observed over a longer period.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142382111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Utility of ultra-portable ultrasound devices for the risk-stratification of thyroid dysfunctions in an emergency setting.","authors":"Irene Campi, Laura Fugazzola","doi":"10.1007/s40618-024-02437-9","DOIUrl":"https://doi.org/10.1007/s40618-024-02437-9","url":null,"abstract":"<p><strong>Purpose: </strong>We previously showed that the rapid TSH (rTSH) screening is able to detect a high prevalence of thyroid diseases in patients presenting to the Emergency department (ED), with a 7% prevalence of undiagnosed thyroid dysfunctions. The purpose of the present study is to implement our diagnostic flow-chart for thyroid dysfunctions in the ED with a rapid point-of-care thyroid ultrasound (rPOCUS).</p><p><strong>Methods: </strong>rPOCUS was performed by an app-based mobile ultrasound device (Lumify<sup>®</sup> by Philips Healthcare) in patients with suppressed rTSH undergoing urgent procedures requiring iodinate contrast media.</p><p><strong>Results: </strong>Our results suggest that rPOCUS is cost- and time-effective for the management of patients with a newly diagnosed hyperthyroidism requiring urgent iodinated contrast media or amiodarone administration. Moreover, this handled US scanner avoided rTSH measurement in patients found to have a normal thyroid gland, and detected some incidental findings (nodules, heterogeneous echotexture), which would lead to further diagnostic investigations.</p><p><strong>Conclusion: </strong>We demonstrate, for the first time, that rPOCUS greatly improves the management of patients attending the ED, including the prompt characterization and correct treatment of hyperthyroidism, and the prevention of iodine-induced thyrotoxicosis.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142382112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Emanuele Varaldo, Beatrice Giannone, Francesca Viglino, Fabio Settanni, Fabio Bioletto, Marco Barale, Massimo Procopio, Silvia Deaglio, Ezio Ghigo, Andrea Benso
{"title":"Decreased trabecular bone score in patients affected by Fabry disease.","authors":"Emanuele Varaldo, Beatrice Giannone, Francesca Viglino, Fabio Settanni, Fabio Bioletto, Marco Barale, Massimo Procopio, Silvia Deaglio, Ezio Ghigo, Andrea Benso","doi":"10.1007/s40618-024-02427-x","DOIUrl":"https://doi.org/10.1007/s40618-024-02427-x","url":null,"abstract":"<p><strong>Background: </strong>Fabry disease (FD) is an inherited X-linked lysosomal storage disease characterized by increased risk of osteoporosis and fractures. The impact of FD on clinical measures of bone quality is unknown. This considered, aim of our study was to evaluate whether trabecular bone microarchitecture, measured by trabecular bone score (TBS), is altered in patients with FD compared to control subjects.</p><p><strong>Methods: </strong>This retrospective monocentric study enrolled 14 patients (M/F 1/1, median age 46 [37-63] years, range 31-72 years) newly diagnosed with FD between January 2016 and July 2023 who underwent dual-energy X-ray absorptiometry (DXA) image at the time of diagnosis and 42 matched controls. In all subjects, data about bone mineral density (BMD) and lumbar spine TBS were collected and total calcium, parathyroid hormone (PTH), 25(OH) vitamin D, alkaline phosphatase (ALP), creatinine and estimated glomerular filtration rate (eGFR) were evaluated. In subjects with FD, globotriaosylsphingosine (lyso-Gb3), 24-hour proteinuria and albumin-creatinine ratio were also assessed.</p><p><strong>Results: </strong>Patients with FD presented significantly lower lumbar spine TBS (1.29 [1.22-1.38] vs. 1.42 [1.39-1.47], p < 0.001) and lower lumbar spine BMD (0.916 ± 0.166 vs. 1.031 ± 0.125 g/cm<sup>2</sup>, p = 0.008) compared to controls; moreover, FD was shown to be an independent risk factor for both low lumbar spine TBS (β = -0.118, p < 0.001) and BMD (β = -0.115, p = 0.009). No differences were found in serum calcium, ALP, 25(OH) vitamin D and eGFR in both groups, but FD patients had significantly higher PTH levels compared to controls (p = 0.016). Finally, 8 patients with FD presented either moderately or severely increased albuminuria and only 2 patients presented normal lyso-Gb3 levels.</p><p><strong>Conclusion: </strong>Patients affected by FD present significantly lower lumbar spine TBS and BMD compared to controls. Our findings strongly support the importance of carrying out a thorough evaluation of bone status in all patients affected by FD at baseline.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142367103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Molecular mechanisms underlying the effects of hypo- and hyper-prolactinemia on spermatogenesis and fertility in male rats.","authors":"Sanketa Raut, Kushaan Khambata, Dipty Singh, Nafisa Huseni Balasinor","doi":"10.1007/s40618-024-02471-7","DOIUrl":"https://doi.org/10.1007/s40618-024-02471-7","url":null,"abstract":"<p><strong>Purpose: </strong>Hypo- and hyper-prolactinemia have deleterious effects on male reproduction, yet there is a dearth of information regarding the underlying mechanisms. The aim of this study was to delineate the molecular mechanisms by which hypo- and hyper-prolactinemia affects spermatogenesis and fertility in male rats.</p><p><strong>Methods: </strong>In vivo male rat models for hypo- and hyper-prolactinemia were established using dopamine receptor agonist, Bromocriptine (Brm), and antagonist, Fluphenazine (Flu), respectively. Effects on fertility and spermatogenesis were assessed by studying pre- and post-implantation loss, litter size, sperm parameters, hormonal profile, testicular histology, testicular cell population, and testicular transcriptome in rats.</p><p><strong>Results: </strong>Treatment with Brm and Flu for 60 days led to subfertility, which was indicated by an increase in pre- and post-implantation loss and decrease in litter size, when mated with control female rats. Decreased sperm count was observed after both treatments, whereas reduced sperm motility was noted in Flu group. Serum FSH was unaffected, and LH was decreased by Flu treatment. Testosterone was decreased in both the groups, whereas estradiol was decreased in the Flu group. An arrest in spermatogenic cycle beyond round spermatids was observed in the Flu group. Additionally, testicular apoptosis in germ cells, mostly spermatocytes of Stage IX-XIV was noted in both the groups. Further, testicular RNA-Seq analysis revealed a total of 1539 and 824 differentially expressed genes/DEGs in Brm and Flu, respectively (Sequence Read Archive/SRA Database accession number: PRJNA1150513). Gene ontology and pathway analysis of DEGs highlighted enrichment of steroid metabolic pathway and ribosomal biogenesis pathway. Hub genes identified from the DEGs were validated by qPCR and the results showed that Uba52, Rps27a, Rpl23, Rps5, Rps16 were significantly down-regulated by Brm, whereas Rps27a, Rps29, Rps15, Rps27, Faul1 were significantly down-regulated by Flu.</p><p><strong>Conclusion: </strong>Hypo- and hyper-prolactinemia leads to subfertility and decreased sperm parameters possibly through an effect on steroid metabolism and ribosomal biogenesis pathway. Therefore, maintaining prolactin levels in physiological range is crucial.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142367106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Accelerated biological aging, mediating amino acids, and risk of incident type 2 diabetes: a prospective cohort study.","authors":"Ziteng Zhang, Junxue Wang, Bowei Yu, Ying Sun, Yi Chen, Yingli Lu, Ningjian Wang, Fangzhen Xia","doi":"10.1007/s40618-024-02436-w","DOIUrl":"https://doi.org/10.1007/s40618-024-02436-w","url":null,"abstract":"<p><strong>Purpose: </strong>Aging plays an important role in type 2 diabetes mellitus (T2DM). But the association between accelerated biological age and T2DM, and the mechanisms underlying this association remains unclear. Thus, this study aimed to examine the associations of biological aging with T2DM, and explore the potential mediation effect of amino acids.</p><p><strong>Methods: </strong>This prospective cohort study included 95,773 participants in the UK Biobank who were free of diabetes at baseline. Biological age was measured from clinical traits using PhenoAgeAccel. Cox proportional hazard models were used to estimate the hazard ritios (HRs) and 95% confidence intervals (CIs), and mediation analysis was used to explore the mediation effect of amino acids.</p><p><strong>Results: </strong>During a median follow-up of 14.02 years, 6,347 incident T2DM cases were recorded. After multivariable adjustment for sociodemographic characteristics, lifestyle factors, and other risk factors of T2DM, participants with older biological age were at increased risk of incident T2DM (30% increase per standard deviation of PhenoAgeAccel, 95% CI: 28.0-33.0%). Additionally, higher branched chain amino acids (BCAAs) including isoleucine and leucine, aromatic amino acids (AAAs) including phenylalanine and tyrosine, were associated with increased PhenoAgeAccel and risk of incident T2DM; while glutamine and glycine were inversely associated. Alanine, glutamine, glycine, phenylalanine, tyrosine, isoleucine, leucine, and total concentration of branched-chain amnio acids could partially explain the associations between PhenoAgeAccel and T2DM.</p><p><strong>Conclusion: </strong>Accelerated biological aging was associated with increased risk of incident T2DM independent of chronological age and may be a risk factor of T2DM, partially mediated by several amino acids.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142367102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kyungwon Kim, Hye Ju Shin, Sang-Cheol Park, Youngsook Kim, Min-Ho Lee, Ju Hyung Moon, Eui Hyun Kim, Eun Jig Lee, Chan Woo Kang, Cheol Ryong Ku
{"title":"Spliceosome component TCERG1 regulates the aggressiveness of somatotroph adenoma.","authors":"Kyungwon Kim, Hye Ju Shin, Sang-Cheol Park, Youngsook Kim, Min-Ho Lee, Ju Hyung Moon, Eui Hyun Kim, Eun Jig Lee, Chan Woo Kang, Cheol Ryong Ku","doi":"10.1007/s40618-024-02447-7","DOIUrl":"https://doi.org/10.1007/s40618-024-02447-7","url":null,"abstract":"<p><strong>Purpose: </strong>We aimed to identify differentially expressed spliceosome components in growth hormone (GH)-secreting pituitary tumors and investigate their roles in pathogenesis.</p><p><strong>Methods: </strong>We performed transcriptome analysis of 20 somatotroph adenomas and 6 normal pituitary tissues to select dysregulated spliceosome components. Clinical characteristics were analyzed based on gene expression in 64 patients with acromegaly. Proliferation, invasion, and hormonal activity of GH secreting pituitary adenoma cells were investigated.</p><p><strong>Results: </strong>TCERG1 expression was significantly higher in somatotroph adenomas than in normal pituitaries (log2 fold change 0.59, adjusted P = 0.0002<sup>*</sup>). Genotype-phenotype analysis revealed that patients with higher TCERG1 expression had lower surgical remission rates than those with lower expression (63.64% vs. 95.45%, P = 0.009<sup>*</sup>). TCERG1 expression was significantly higher in groups with cavernous sinus (CS) invasion or Ki67 index over 3 (all P>0.05<sup>*</sup>). TCERG1 overexpression led to a 29.60% increase in proliferation (P<0.001<sup>*</sup>) and a 249.47% increase in invasion after 48 h in GH3 cells (P = 0.026<sup>*</sup>). Conversely, TCERG1 silencing significantly decreased cell proliferation (25.76% at 72 h, P<0.001<sup>*</sup>) and invasion (96.87% at 48 h, P = 0.029<sup>*</sup>). E-cadherin was decreased, but vimentin was increased in both TCERG1 overexpressed GH3 cells and somatotroph adenomas. And TCERG1 silence reversed the expression of the genes (CDH2, SNAI1, ZEB2, and VIM) in GH3 cells.</p><p><strong>Conclusions: </strong>Spliceosome machinery provide novel insights into the pathogenesis of GH-secreting pituitary tumor and highlight the potential role of TCERG1 as a biomarker for tumor aggressiveness.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142367108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"FT4 is a novel indicator for risk assessment of severe hypocalcemia following parathyroidectomy.","authors":"Xiao Liu, Weiqian Li, Chuancheng Huang, Zongyu Li","doi":"10.1007/s40618-024-02460-w","DOIUrl":"https://doi.org/10.1007/s40618-024-02460-w","url":null,"abstract":"<p><strong>Objective: </strong>To analyze the risk factors associated with the development of severe hypocalcemia (SH) in patients who have undergone parathyroidectomy (PTX).</p><p><strong>Methods: </strong>This research involved patients with chronic kidney disease-secondary hyperparathyroidism who underwent PTX between June 1, 2021, and May 31, 2023. SH was characterized by a serum total calcium (tCa) level below 1.8 mmol/L. This study aimed to analyze differences in preoperative laboratory findings and clinical manifestations between patients with and without SH. Logistic regression analysis was used to identify potential risk factors associated with the development of SH.</p><p><strong>Results: </strong>The incidence of SH was 23% (n = 176). Significant differences were observed in free thyroxine (FT4), free triiodothyronine, alanine aminotransferase, osteocalcin, tCa, alkaline phosphatase (ALP), C-terminal cross-linked telopeptide of type I collagen, and parathyroid hormone between the SH and non-SH groups. The three independent risk factors for SH were tCa [odds ratio (OR) 0.063, 95% confidence interval (95% CI) 0.006-0.663], ALP (OR 1.003, 95% CI 1.001-1.005), and FT4 (OR 0.439, 95%CI 0.310-0.621). The area under the curve, sensitivity, specificity, and overall accuracy of this model were 0.904 (95% CI 0.856-0.952), 46.3%(95% CI 32.0%-61.3%), 94.8% (95% CI 89.7%-97.5%), and 83.5% (95% CI 77.3%-88.3%), respectively.</p><p><strong>Conclusion: </strong>The preoperative level of FT4 plays a crucial role in predicting the risk of SH after PTX. The combined FT4-ALP-tCa model demonstrates the ability to predict SH risk, providing valuable insights for customizing calcium supplementation strategies and improving clinical decision-making.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142367104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}