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Jalloul W, Tibu R, Ionescu T, Stolniceanu C, Grierosu I, Tarca A, Ionescu L, Ungureanu M, Ciobanu D, Ghizdovat V, Stefanescu C. Personalized nuclear imaging protocol in cases with nodular goiter and parathyroid adenoma. Acta Endocrinol (Buchar) 2021; 17:393-398. [PMID: 35342463 PMCID: PMC8919489 DOI: 10.4183/aeb.2021.393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A 62 years old woman was diagnosed with multinodular toxic goiter and primary hyperparathyroidism/left parathyroid adenoma by hormonal assessment, ultrasound and nuclear thyroid/parathyroid scans. Cervical ultrasound illustrated a multinodular aspect of the thyroid with solid nodules and cystic-component nodules; the larger one represented a multinodular complex with necrosis areas in the left thyroid lobe, ACR TI-RADS score 4 (moderately suspicious). Functional nuclear imaging was performed for accurate differential diagnosis between thyroid vs. parathyroid localization, between cold vs. hot nodules, and eventually, for guiding the choice of a subsequent Fine-Needle Aspiration Biopsy (FNAB). Scans described an early intense 99mTc-sestaMIBI uptake with no 99mTc-pertechnetate uptake in the left thyroid lobe larger nodule. Due to the suspicion of malignancy for this nodule, we performed an additional scan (1 hour before the classical 2 hours parathyroid delayed scan). The intense uptake persists in both delayed scans suggesting no malignant phenotype and which was confirmed after surgery by benign histology. In conclusion, using a 99mTc-sestaMIBI personalized protocol, related to the radiotracer cellular uptake mechanisms: 1 hour scan (supplementary image, corresponding to the maximum uptake pattern of 99mTc-sestaMIBI for cancer cells) and 2 hours scan (for parathyroid washout evaluation) may avoid unnecessary extensive thyroid surgery.
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Affiliation(s)
- W. Jalloul
- “Sf. Spiridon” County Emergency Hospital - Nuclear Medicine Laboratory
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - R. Tibu
- “Sf. Spiridon” County Emergency Hospital - Nuclear Medicine Laboratory
| | - T.M. Ionescu
- “Sf. Spiridon” County Emergency Hospital - Nuclear Medicine Laboratory
| | - C.R. Stolniceanu
- “Sf. Spiridon” County Emergency Hospital - Nuclear Medicine Laboratory
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - I. Grierosu
- “Sf. Spiridon” County Emergency Hospital - Nuclear Medicine Laboratory
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - A. Tarca
- “Sf. Spiridon” County Emergency Hospital - Nuclear Medicine Laboratory
| | - L. Ionescu
- Surgery Department, Iasi, Romania
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - M.C. Ungureanu
- Endocrinology Department, Iasi, Romania
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - D. Ciobanu
- Histopathology Department, Iasi, Romania
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - V. Ghizdovat
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
| | - C. Stefanescu
- “Sf. Spiridon” County Emergency Hospital - Nuclear Medicine Laboratory
- “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania
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Than NG, Romero R, Xu Y, Erez O, Xu Z, Bhatti G, Leavitt R, Chung TH, El-Azzamy H, LaJeunesse C, Wang B, Balogh A, Szalai G, Land S, Dong Z, Hassan SS, Chaiworapongsa T, Krispin M, Kim CJ, Tarca AL, Papp Z, Bohn H. Evolutionary origins of the placental expression of chromosome 19 cluster galectins and their complex dysregulation in preeclampsia. Placenta 2014; 35:855-65. [PMID: 25266889 PMCID: PMC4203431 DOI: 10.1016/j.placenta.2014.07.015] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 07/04/2014] [Accepted: 07/28/2014] [Indexed: 12/13/2022]
Abstract
INTRODUCTION The dysregulation of maternal-fetal immune tolerance is one of the proposed mechanisms leading to preeclampsia. Galectins are key regulator proteins of the immune response in vertebrates and maternal-fetal immune tolerance in eutherian mammals. Previously we found that three genes in a Chr19 cluster encoding for human placental galectin-13 (PP13), galectin-14 and galectin-16 emerged during primate evolution and may confer immune tolerance to the semi-allogeneic fetus. MATERIALS AND METHODS This study involved various methodologies for gene and protein expression profiling, genomic DNA methylation analyses, functional assays on differentiating trophoblasts including gene silencing, luciferase reporter and methylation assays. These methods were applied on placental specimens, umbilical cord blood cells, primary trophoblasts and BeWo cells. Genomic DNA sequences were analyzed for transposable elements, transcription factor binding sites and evolutionary conservation. RESULTS AND DISCUSSION The villous trophoblastic expression of Chr19 cluster galectin genes is developmentally regulated by DNA methylation and induced by key transcription factors of villous placental development during trophoblast fusion and differentiation. This latter mechanism arose via the co-option of binding sites for these transcription factors through promoter evolution and the insertion of an anthropoid-specific L1PREC2 transposable element into the 5' untranslated region of an ancestral gene followed by gene duplication events. Among placental Chr19 cluster galectin genes, the expression of LGALS13 and LGALS14 is down-regulated in preterm severe preeclampsia associated with SGA. We reveal that this phenomenon is partly originated from the dysregulated expression of key transcription factors controlling trophoblastic functions and galectin gene expression. In addition, the differential DNA methylation of these genes was also observed in preterm preeclampsia irrespective of SGA. CONCLUSIONS These findings reveal the evolutionary origins of the placental expression of Chr19 cluster galectins. The complex dysregulation of these genes in preeclampsia may alter immune tolerance mechanisms at the maternal-fetal interface.
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Affiliation(s)
- N G Than
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA; Maternity Private Department, Kutvolgyi Clinical Block, Semmelweis University, Budapest, Hungary; Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Budapest, Hungary.
| | - R Romero
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA.
| | - Y Xu
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
| | - O Erez
- Department of Obstetrics and Gynecology, Ben-Gurion University, Beer-Sheva, Israel
| | - Z Xu
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
| | - G Bhatti
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
| | - R Leavitt
- Zymo Research Corporation, Irvine, CA, USA
| | - T H Chung
- Zymo Research Corporation, Irvine, CA, USA
| | - H El-Azzamy
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
| | - C LaJeunesse
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
| | - B Wang
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
| | - A Balogh
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA; Department of Immunology, Eotvos Lorand University, Budapest, Hungary
| | - G Szalai
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
| | - S Land
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - Z Dong
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA
| | - S S Hassan
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - T Chaiworapongsa
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA; Department of Obstetrics and Gynecology, Wayne State University School of Medicine, Detroit, MI, USA
| | - M Krispin
- Zymo Research Corporation, Irvine, CA, USA
| | - C J Kim
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA; Department of Pathology, Wayne State University School of Medicine, Detroit, MI, USA
| | - A L Tarca
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, U.S. Department of Health and Human Services, Bethesda, MD, and Detroit, MI, USA; Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - Z Papp
- Maternity Private Department, Kutvolgyi Clinical Block, Semmelweis University, Budapest, Hungary
| | - H Bohn
- Behringwerke AG, Marburg/Lahn, Germany
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Varkonyi T, Nagy B, Fule T, Tarca AL, Karaszi K, Schonleber J, Hupuczi P, Mihalik N, Kovalszky I, Rigo J, Meiri H, Papp Z, Romero R, Than NG. Microarray profiling reveals that placental transcriptomes of early-onset HELLP syndrome and preeclampsia are similar. Placenta 2011; 32 Suppl:S21-9. [PMID: 20541258 PMCID: PMC3917714 DOI: 10.1016/j.placenta.2010.04.014] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2010] [Revised: 04/23/2010] [Accepted: 04/29/2010] [Indexed: 02/05/2023]
Abstract
BACKGROUND The involvement of the placenta in the pathogenesis of preeclampsia and HELLP syndrome is well established, and placental lesions are also similar in these two syndromes. Here we aimed to examine the placental transcriptome and to identify candidate biomarkers in early-onset preeclampsia and HELLP syndrome. METHODS Placental specimens were obtained at C-sections from women with early-onset preeclampsia and HELLP syndrome, and from controls who delivered preterm or at term. After histopathological examination, fresh-frozen placental specimens were used for microarray profiling and validation by qRT-PCR. Differential expression was analysed using log-linear models while adjusting for gestational age. Gene ontology and pathway analyses were used to interpret gene expression changes. Tissue microarrays were constructed from paraffin-embedded placental specimens and immunostained. RESULTS Placental gene expression was gestational age-dependent among preterm and term controls. Out of the 350 differentially expressed genes in preeclampsia and 554 genes in HELLP syndrome, 224 genes (including LEP, CGB, LHB, INHA, SIGLEC6, PAPPA2, TREM1, and FLT1) changed in the same direction (elevated or reduced) in both syndromes. Many of these encode proteins that have been implicated as biomarkers for preeclampsia. Enrichment analyses revealed similar biological processes, cellular compartments and biological pathways enriched in early-onset preeclampsia and HELLP syndrome; however, some processes and pathways (e.g., cytokine-cytokine receptor interaction) were over-represented only in HELLP syndrome. CONCLUSION High-throughput transcriptional and tissue microarray expression profiling revealed that placental transcriptomes of early-onset preeclampsia and HELLP syndrome largely overlap, underlying a potential common cause and pathophysiologic processes in these syndromes. However, gene expression changes may also suggest a more severe placental pathology and pronounced inflammatory response in HELLP syndrome than in preeclampsia.
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Affiliation(s)
- T Varkonyi
- First Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
| | - B Nagy
- First Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
| | - T Fule
- First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - AL Tarca
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - K Karaszi
- First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - J Schonleber
- First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - P Hupuczi
- First Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
| | - N Mihalik
- First Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
- First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - I Kovalszky
- First Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - J Rigo
- First Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
| | - H Meiri
- Diagnostic Technologies, Yokneam, Israel
| | - Z Papp
- First Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
| | - R Romero
- Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI, USA
| | - NG Than
- First Department of Obstetrics and Gynecology, Semmelweis University, Budapest, Hungary
- Wayne State University, Detroit, MI, USA
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9
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Separovic D, Bielawski J, Pierce JS, Merchant S, Tarca AL, Bhatti G, Ogretmen B, Korbelik M. Enhanced tumor cures after Foscan photodynamic therapy combined with the ceramide analog LCL29. Evidence from mouse squamous cell carcinomas for sphingolipids as biomarkers of treatment response. Int J Oncol 2010; 38:521-7. [PMID: 21152858 DOI: 10.3892/ijo.2010.863] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2010] [Accepted: 08/02/2010] [Indexed: 01/12/2023] Open
Abstract
To improve anticancer therapeutic success of photodynamic therapy (PDT), combination treatments represent a viable strategy. Sphingolipid analogs combined with anticancer drugs can enhance tumor response. We have shown that LCL29, a C6-pyridinium ceramide, promotes therapeutic efficacy of Photofrin-PDT in mouse SCCVII squamous cell carcinoma tumors. The long-term effect of the combination PDT + LCL29 is unknown. In this study we used the same model to test the long-term curative potential of Foscan-PDT + LCL29. We show that treatment of SCCVII tumors with the combination led to enhanced long-term tumor cure compared to PDT alone. LCL29 itself did not prevent tumor growth. All treatments triggered early increases in tumor-associated C16-ceramide, C18-ceramide, dihydrosphingosine, and global levels of dihydroceramides. PDT-evoked increases in tumor-associated sphingosine-1-phosphate and dihydrosphingosine-1-phosphate remained elevated or were attenuated after the combination, respectively; in contrast, LCL29 had no effect on these two sphingolipids. Our data demonstrate that adjuvant LCL29 improves PDT long-term therapeutic efficacy, implying translational potential of the combination. Furthermore, our findings indicate that changes in the sphingolipid profile might serve as predictive biomarkers of tumor response to treatments.
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Affiliation(s)
- D Separovic
- Department of Pharmaceutical Sciences, Wayne State University, 259 Mack Ave, Detroit, MI 48201, USA.
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10
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Montenegro D, Romero R, Kim SS, Tarca AL, Draghici S, Kusanovic JP, Kim JS, Lee DC, Erez O, Gotsch F, Hassan SS, Kim CJ. Expression patterns of microRNAs in the chorioamniotic membranes: a role for microRNAs in human pregnancy and parturition. J Pathol 2009; 217:113-21. [PMID: 18991333 DOI: 10.1002/path.2463] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
MicroRNAs (miRNAs) are involved in the post-transcriptional regulation of gene expression during development. This study was performed to determine gestational age-dependent changes in miRNA expression in the chorioamniotic membranes and to assess the significance of miRNAs in human pregnancy and parturition. The expression profile of 455 miRNAs was compared between patients at term without labour (TNL: n = 10), in labour (TL: n = 10), and preterm labour (PTL: n = 10) using microarrays. A total of 39 miRNAs were differentially expressed between term and preterm cases, of which 31 (79.5%) were down-regulated at term. Expression of ten miRNAs, including miR-338, differentially expressed between PTL and TL groups was decreased at term. Computational analyses using miRBase Targets have identified PLA2G4B, a phospholipase implicated in parturition, as a putative target of miR-338. Inhibition of endogenous miR-338 with anti-miR-338 increased the mRNA and protein expression of PLA2G4B in decidual cells. Luciferase assay with reporter constructs confirmed that the suppression of PLA2G4B occurs through binding of miR-338 to the 3UTR of PLA2G4B. Interestingly, the expression of Dicer, a key miRNA-processing enzyme, was markedly decreased at term, particularly with labour in the chorioamniotic membranes. Collectively, the novel findings reported herein strongly suggest that post-transcriptional regulation of genes by miRNAs, coupled with the changes of miRNA processing machinery in the chorioamniotic membranes, plays a role in pregnancy and parturition. Furthermore, the expression level of Dicer in the chorioamniotic membranes dichotomizes pathological preterm labour and physiological spontaneous labour at term.
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Affiliation(s)
- D Montenegro
- Perinatology Research Branch, NICHD/NIH/DHHS, Bethesda, Maryland, USA
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