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Deng WJ, Li QQ, Shuai HN, Wu RX, Niu SF, Wang QH, Miao BB. Whole-Genome Sequencing Analyses Reveal the Evolution Mechanisms of Typical Biological Features of Decapterus maruadsi. Animals (Basel) 2024; 14:1202. [PMID: 38672351 PMCID: PMC11047736 DOI: 10.3390/ani14081202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Decapterus maruadsi is a typical representative of small pelagic fish characterized by fast growth rate, small body size, and high fecundity. It is a high-quality marine commercial fish with high nutritional value. However, the underlying genetics and genomics research focused on D. maruadsi is not comprehensive. Herein, a high-quality chromosome-level genome of a male D. maruadsi was assembled. The assembled genome length was 716.13 Mb with contig N50 of 19.70 Mb. Notably, we successfully anchored 95.73% contig sequences into 23 chromosomes with a total length of 685.54 Mb and a scaffold N50 of 30.77 Mb. A total of 22,716 protein-coding genes, 274.90 Mb repeat sequences, and 10,060 ncRNAs were predicted, among which 22,037 (97%) genes were successfully functionally annotated. The comparative genome analysis identified 459 unique, 73 expanded, and 52 contracted gene families. Moreover, 2804 genes were identified as candidates for positive selection, of which some that were related to the growth and development of bone, muscle, cardioid, and ovaries, such as some members of the TGF-β superfamily, were likely involved in the evolution of typical biological features in D. maruadsi. The study provides an accurate and complete chromosome-level reference genome for further genetic conservation, genomic-assisted breeding, and adaptive evolution research for D. maruadsi.
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Affiliation(s)
| | | | | | | | - Su-Fang Niu
- College of Fisheries, Guangdong Ocean University, Zhanjiang 524088, China; (W.-J.D.); (Q.-Q.L.); (H.-N.S.); (R.-X.W.); (Q.-H.W.); (B.-B.M.)
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2
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Martí-Pàmies Í, Thoonen R, Morley M, Graves L, Tamez J, Caplan A, McDaid K, Yao V, Hindle A, Gerszten RE, Laurie A. Farrell, Li L, Tseng YH, Profeta G, Buys ES, Bloch DB, Scherrer-Crosbie M. Brown Adipose Tissue and BMP3b Decrease Injury in Cardiac Ischemia-Reperfusion. Circ Res 2023; 133:353-365. [PMID: 37462036 PMCID: PMC10528340 DOI: 10.1161/circresaha.122.322337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 07/07/2023] [Indexed: 08/05/2023]
Abstract
BACKGROUND Despite advances in treatment, myocardial infarction (MI) is a leading cause of heart failure and death worldwide, with both ischemia and reperfusion (I/R) causing cardiac injury. A previous study using a mouse model of nonreperfused MI showed activation of brown adipose tissue (BAT). Recent studies showed that molecules secreted by BAT target the heart. We investigated whether BAT attenuates cardiac injury in I/R and sought to identify potential cardioprotective proteins secreted by BAT. METHODS Myocardial I/R surgery with or without BAT transplantation was performed in wild-type (WT) mice and in mice with impaired BAT function (uncoupling protein 1 [Ucp1]-deficient mice). To identify potential cardioprotective factors produced by BAT, RNA-seq (RNA sequencing) was performed in BAT from WT and Ucp1-/- mice. Subsequently, myocardial I/R surgery with or without BAT transplantation was performed in Bmp3b (bone morphogenetic protein 3b)-deficient mice, and WT mice subjected to myocardial I/R were treated using BMP3b. RESULTS Dysfunction of BAT in mice was associated with larger MI size after I/R; conversely, augmenting BAT by transplantation decreased MI size. We identified Bmp3b as a protein secreted by BAT after I/R. Compared with WT mice, Bmp3b-deficient mice developed larger MIs. Increasing functional BAT by transplanting BAT from WT mice to Bmp3b-deficient mice reduced I/R injury whereas transplanting BAT from Bmp3b-deficient mice did not. Treatment of WT mice with BMP3b before reperfusion decreased MI size. The cardioprotective effect of BMP3b was mediated through SMAD1/5/8. In humans, the plasma level of BMP3b increased after MI and was positively correlated with the extent of cardiac injury. CONCLUSIONS The results of this study suggest a cardioprotective role of BAT and BMP3b, a protein secreted by BAT, in a model of I/R injury. Interventions increasing BMP3b levels or targeting Smad 1/5 may represent novel therapeutic approaches to decrease myocardial damage in I/R injury.
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Affiliation(s)
- Íngrid Martí-Pàmies
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Robrecht Thoonen
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, United States
| | - Michael Morley
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Lauren Graves
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Jesus Tamez
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Alex Caplan
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Kendra McDaid
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Vincent Yao
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, United States
| | - Allyson Hindle
- Anesthesia Center for Critical Care Research, Massachusetts General Hospital, Boston, MA, United States
| | - Robert E. Gerszten
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - Laurie A. Farrell
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Boston, MA, United States
| | - Li Li
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
| | - Yu-Hua Tseng
- Section on Integrative Physiology and Metabolism, Research Division, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Gerson Profeta
- Section on Integrative Physiology and Metabolism, Research Division, Joslin Diabetes Center, Harvard Medical School, Boston, MA, USA
| | - Emmanuel S Buys
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, MA, United States
| | - Donald B Bloch
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, MA, United States
- The Center for Immunology and Inflammatory Diseases and the Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, MA, United States
| | - Marielle Scherrer-Crosbie
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States
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Song MK, Kim JE, Kim JT, Kang YE, Han SJ, Kim SH, Kim HJ, Ku BJ, Lee JH. GDF10 is related to obesity as an adipokine derived from subcutaneous adipose tissue. Front Endocrinol (Lausanne) 2023; 14:1159515. [PMID: 37529611 PMCID: PMC10390302 DOI: 10.3389/fendo.2023.1159515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 05/04/2023] [Indexed: 08/03/2023] Open
Abstract
Introduction Adipokines are proteins that are secreted by the adipose tissue. Although they are associated with obesity-related metabolic disorders, most studies have focused on adipokines expressed by visceral adipose tissue (VAT). This study aimed to identify the adipokine potentially derived from subcutaneous adipose tissue (SAT) and its clinical significance. Methods Samples of SAT and VAT were obtained from six adult male patients who underwent laparoscopic surgery for benign gall bladder disease. Differentially expressed genes were analyzed by subjecting the samples to RNA sequencing. The serum concentration of selected proteins according to body mass index (BMI) was analyzed in 58 individuals. Results GDF10 showed significantly higher expression in the SAT, as per RNA sequencing (fold change = 5.8, adjusted P value = 0.009). Genes related to insulin response, glucose homeostasis, lipid homeostasis, and fatty acid metabolism were suppressed when GDF10 expression was high in SAT, as per genotype-tissue expression data. The serum GDF10 concentration was higher in participants with BMI ≥ 25 kg/m2 (n = 35, 2674 ± 441 pg/mL) than in those with BMI < 25 kg/m2 (n = 23, 2339 ± 639 pg/mL; P = 0.022). There was a positive correlation between BMI and serum GDF10 concentration (r = 0.308, P = 0.019). Conclusions GDF10 expression was higher in SAT than in VAT. Serum GDF10 concentration was high in patients with obesity. Therefore, GDF10 could be a SAT-derived protein related to obesity.
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Affiliation(s)
- Mi Kyung Song
- Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Ji Eun Kim
- Research Center for Endocrine and Metabolic Disease, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Jung Tae Kim
- Research Center for Endocrine and Metabolic Disease, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Yea Eun Kang
- Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Research Center for Endocrine and Metabolic Disease, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Sun Jong Han
- Department of General Surgery, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Seok Hwan Kim
- Department of General Surgery, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Hyun Jin Kim
- Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Research Center for Endocrine and Metabolic Disease, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Bon Jeong Ku
- Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Research Center for Endocrine and Metabolic Disease, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Ju Hee Lee
- Department of Internal Medicine, Chungnam National University College of Medicine, Daejeon, Republic of Korea
- Research Center for Endocrine and Metabolic Disease, Chungnam National University College of Medicine, Daejeon, Republic of Korea
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Zhou Z, Jiang T, Zhu Y, Ling Z, Yang B, Huang L. A comparative investigation on
H3K27ac
enhancer activities in the brain and liver tissues between wild boars and domesticated pigs. Evol Appl 2022; 15:1281-1290. [PMID: 36051459 PMCID: PMC9423090 DOI: 10.1111/eva.13461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 06/28/2022] [Accepted: 07/20/2022] [Indexed: 11/29/2022] Open
Abstract
Dramatic phenotypic differences between domestic pigs and wild boars (Sus scrofa) provide opportunities to investigate molecular mechanisms underlying the formation of complex traits, including morphology, physiology and behaviour. Most studies comparing domestic pigs and wild boars have focused on variations in DNA sequences and mRNA expression, but not on epigenetic changes. Here, we present a genome‐wide comparative study on H3K27ac enhancer activities and the corresponding mRNA profiling in the brain and liver tissues of adult Bama Xiang pigs (BMXs) and Chinese wild boars (CWBs). We identified a total of 1,29,487 potential regulatory elements, among which 11,241 H3K27ac peaks showed differential activity between CWBs and BMXs in at least one tissue. These peaks were overrepresented by binding motifs of FOXA1, JunB, ATF3 and BATF, and overlapped with differentially expressed genes that are involved in female mating behaviour, response to growth factors and hormones, and lipid metabolism. We also identified 4118 nonredundant super‐enhancers from ChIP‐Seq data on H3K27ac. Notably, we identified differentially active peaks located close to or within candidate genes, including TBX19, MSTN, AHR and P2RY1, which were identified in DNA sequence‐based population differentiation studies. This study generates a valuable dataset on H3K27ac profiles of the brain and liver from domestic pigs and wild boars, which helps gain insights into the changes in enhancer activities from wild boars to domestic pigs.
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Affiliation(s)
- Zhimin Zhou
- State Key Laboratory of Swine Genetic Improvement and Production Technology Jiangxi Agricultural University Nanchang P.R. China
| | - Tao Jiang
- State Key Laboratory of Swine Genetic Improvement and Production Technology Jiangxi Agricultural University Nanchang P.R. China
| | - Yaling Zhu
- State Key Laboratory of Swine Genetic Improvement and Production Technology Jiangxi Agricultural University Nanchang P.R. China
| | - Ziqi Ling
- State Key Laboratory of Swine Genetic Improvement and Production Technology Jiangxi Agricultural University Nanchang P.R. China
| | - Bin Yang
- State Key Laboratory of Swine Genetic Improvement and Production Technology Jiangxi Agricultural University Nanchang P.R. China
| | - Lusheng Huang
- State Key Laboratory of Swine Genetic Improvement and Production Technology Jiangxi Agricultural University Nanchang P.R. China
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Suzuki A, Sakamoto K, Nakahara Y, Enomoto A, Hino J, Ando A, Inoue M, Shiraki Y, Omote N, Kusaka M, Fukihara J, Hashimoto N. BMP3b is a Novel Anti-Fibrotic Molecule Regulated by Meflin in Lung Fibroblasts. Am J Respir Cell Mol Biol 2022; 67:446-458. [PMID: 35728045 DOI: 10.1165/rcmb.2021-0484oc] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Fibroblasts play a central role in the lung fibrotic process. Our recent study identified a novel subpopulation of lung fibroblasts expressing meflin, anti-fibrotic properties of which were confirmed by murine lung fibrosis model. Meflin expressing fibroblasts were resistant to fibrogenesis induced by transforming growth factor-β (TGF-β), but its underlying mechanisms remain unknown. In this study, evaluation of a silica-nanoparticles-induced lung fibrosis model confirmed the antifibrotic effect of meflin via the regulation of TGF-β signaling. We conducted comparative gene expression profiling in lung fibroblasts, which identified growth differentiation factor 10 (Gdf10) encoding bone morphogenic protein 3b (BMP3b) as the most down-regulated gene in meflin-deficient cells under the profibrotic condition with TGF-β. We hypothesized that BMP3b can be an effector molecule playing an anti-fibrotic role downstream of meflin. As suggested by single-cell transcriptomic data, restricted expressions of Gdf10 (Bmp3b) in stromal cells including fibroblasts were confirmed. We examined possible anti-fibrotic properties of BMP3b in lung fibroblasts and demonstrated that Bmp3b-null fibroblasts were more susceptible to TGF-β-induced fibrogenic changes. Furthermore, Bmp3b-null mice exhibited exaggerated lung fibrosis induced by silica-nanoparticles in vivo. We also demonstrated that treatment with recombinant BMP3B was effective against TGF-β-induced fibrogenesis in fibroblasts, especially in the suppression of excessive extracellular matrix production. These lines of evidence suggested that BMP3b is a novel humoral effector molecule regulated by meflin which exerts anti-fibrotic properties in lung fibroblasts. Supplementation of BMP3B could be a novel therapeutic strategy for fibrotic lung diseases.
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Affiliation(s)
- Atsushi Suzuki
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
| | - Koji Sakamoto
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan;
| | - Yoshio Nakahara
- Nagoya University Graduate School of Medicine Faculty of Medicine, 36589, Department of Respiratory Medicine, Nagoya, Japan
| | - Atsushi Enomoto
- Nagoya University Graduate School of Medicine, Department of Pathology, Nagoya, Japan
| | - Jun Hino
- National Cerebral and Cardiovascular Center Research Institute, Department of Biochemistry, Suita, Japan
| | - Akira Ando
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
| | - Masahide Inoue
- Nagoya University Graduate School of Medicine Faculty of Medicine, 36589, Department of Respiratory medicine, Nagoya, Japan
| | - Yukihiro Shiraki
- Nagoya University Graduate School of Medicine Faculty of Medicine, 36589, Department of Pathology, Nagoya, Japan
| | - Norihito Omote
- Nagoya University Graduate School of Medicine Faculty of Medicine, 36589, Department of Respiratory Medicine, Nagoya, Japan
| | - Masahiro Kusaka
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
| | - Jun Fukihara
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
| | - Naozumi Hashimoto
- Nagoya University Graduate School of Medicine, Department of Respiratory Medicine, Nagoya, Japan
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Saxena A, Sharma V, Muthuirulan P, Neufeld SJ, Tran MP, Gutierrez HL, Chen KD, Erberich JM, Birmingham A, Capellini TD, Cobb J, Hiller M, Cooper KL. Interspecies transcriptomics identify genes that underlie disproportionate foot growth in jerboas. Curr Biol 2022; 32:289-303.e6. [PMID: 34793695 PMCID: PMC8792248 DOI: 10.1016/j.cub.2021.10.063] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 07/16/2021] [Accepted: 10/28/2021] [Indexed: 01/26/2023]
Abstract
Despite the great diversity of vertebrate limb proportion and our deep understanding of the genetic mechanisms that drive skeletal elongation, little is known about how individual bones reach different lengths in any species. Here, we directly compare the transcriptomes of homologous growth cartilages of the mouse (Mus musculus) and bipedal jerboa (Jaculus jaculus), the latter of which has "mouse-like" arms but extremely long metatarsals of the feet. Intersecting gene-expression differences in metatarsals and forearms of the two species revealed that about 10% of orthologous genes are associated with the disproportionately rapid elongation of neonatal jerboa feet. These include genes and enriched pathways not previously associated with endochondral elongation as well as those that might diversify skeletal proportion in addition to their known requirements for bone growth throughout the skeleton. We also identified transcription regulators that might act as "nodes" for sweeping differences in genome expression between species. Among these, Shox2, which is necessary for proximal limb elongation, has gained expression in jerboa metatarsals where it has not been detected in other vertebrates. We show that Shox2 is sufficient to increase mouse distal limb length, and a nearby putative cis-regulatory region is preferentially accessible in jerboa metatarsals. In addition to mechanisms that might directly promote growth, we found evidence that jerboa foot elongation may occur in part by de-repressing latent growth potential. The genes and pathways that we identified here provide a framework to understand the modular genetic control of skeletal growth and the remarkable malleability of vertebrate limb proportion.
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Affiliation(s)
- Aditya Saxena
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Virag Sharma
- Max Planck Institute of Molecular Cell Biology and Genetics, Pfotenhauerstraße 108, Dresden 01307, Germany; Max Planck Institute for the Physics of Complex Systems, Nothnitzerstraße 38, Dresden 01187, Germany
| | - Pushpanathan Muthuirulan
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
| | - Stanley J Neufeld
- Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
| | - Mai P Tran
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Haydee L Gutierrez
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Kevin D Chen
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Joel M Erberich
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Amanda Birmingham
- Center for Computational Biology and Bioinformatics, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA
| | - Terence D Capellini
- Department of Human Evolutionary Biology, Harvard University, 11 Divinity Avenue, Cambridge, MA 02138, USA
| | - John Cobb
- Department of Biological Sciences, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
| | - Michael Hiller
- Max Planck Institute of Molecular Cell Biology and Genetics, Pfotenhauerstraße 108, Dresden 01307, Germany; Max Planck Institute for the Physics of Complex Systems, Nothnitzerstraße 38, Dresden 01187, Germany
| | - Kimberly L Cooper
- Division of Biological Sciences, Section of Cell and Developmental Biology, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, USA.
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7
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Ravenscroft TA, Phillips JB, Fieg E, Bajikar SS, Peirce J, Wegner J, Luna AA, Fox EJ, Yan YL, Rosenfeld JA, Zirin J, Kanca O, Benke PJ, Cameron ES, Strehlow V, Platzer K, Jamra RA, Klöckner C, Osmond M, Licata T, Rojas S, Dyment D, Chong JSC, Lincoln S, Stoler JM, Postlethwait JH, Wangler MF, Yamamoto S, Krier J, Westerfield M, Bellen HJ. Heterozygous loss-of-function variants significantly expand the phenotypes associated with loss of GDF11. Genet Med 2021; 23:1889-1900. [PMID: 34113007 PMCID: PMC8487929 DOI: 10.1038/s41436-021-01216-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/04/2021] [Accepted: 05/05/2021] [Indexed: 11/09/2022] Open
Abstract
PURPOSE Growth differentiation factor 11 (GDF11) is a key signaling protein required for proper development of many organ systems. Only one prior study has associated an inherited GDF11 variant with a dominant human disease in a family with variable craniofacial and vertebral abnormalities. Here, we expand the phenotypic spectrum associated with GDF11 variants and document the nature of the variants. METHODS We present a cohort of six probands with de novo and inherited nonsense/frameshift (4/6 patients) and missense (2/6) variants in GDF11. We generated gdf11 mutant zebrafish to model loss of gdf11 phenotypes and used an overexpression screen in Drosophila to test variant functionality. RESULTS Patients with variants in GDF11 presented with craniofacial (5/6), vertebral (5/6), neurological (6/6), visual (4/6), cardiac (3/6), auditory (3/6), and connective tissue abnormalities (3/6). gdf11 mutant zebrafish show craniofacial abnormalities and body segmentation defects that match some patient phenotypes. Expression of the patients' variants in the fly showed that one nonsense variant in GDF11 is a severe loss-of-function (LOF) allele whereas the missense variants in our cohort are partial LOF variants. CONCLUSION GDF11 is needed for human development, particularly neuronal development, and LOF GDF11 alleles can affect the development of numerous organs and tissues.
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Affiliation(s)
- Thomas A Ravenscroft
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
- Jan and Dan Duncan Neurological Research Institute, Texas Children Hospital, Houston, TX, USA
| | | | | | - Sameer S Bajikar
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
- Jan and Dan Duncan Neurological Research Institute, Texas Children Hospital, Houston, TX, USA
| | - Judy Peirce
- Institute of Neuroscience, University of Oregon, Eugene, OR, USA
| | - Jeremy Wegner
- Institute of Neuroscience, University of Oregon, Eugene, OR, USA
| | - Alia A Luna
- Institute of Neuroscience, University of Oregon, Eugene, OR, USA
| | - Eric J Fox
- Institute of Neuroscience, University of Oregon, Eugene, OR, USA
| | - Yi-Lin Yan
- Institute of Neuroscience, University of Oregon, Eugene, OR, USA
| | - Jill A Rosenfeld
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
- Baylor Genetics Laboratories, Houston, TX, USA
| | - Jonathan Zirin
- Department of Genetics, Harvard Medical School, Boston, MA, USA
| | - Oguz Kanca
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
- Jan and Dan Duncan Neurological Research Institute, Texas Children Hospital, Houston, TX, USA
| | - Paul J Benke
- Joe DiMaggio Children's Hospital, Hollywood, FL, USA
| | | | - Vincent Strehlow
- Institute of Human Genetics, University of Leipzig Medical Center, Leipzig, Germany
| | - Konrad Platzer
- Institute of Human Genetics, University of Leipzig Medical Center, Leipzig, Germany
| | - Rami Abou Jamra
- Institute of Human Genetics, University of Leipzig Medical Center, Leipzig, Germany
| | - Chiara Klöckner
- Institute of Human Genetics, University of Leipzig Medical Center, Leipzig, Germany
| | - Matthew Osmond
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Thomas Licata
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Samantha Rojas
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - David Dyment
- Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada
| | - Josephine S C Chong
- The Chinese University of Hong Kong-Baylor College of Medicine Joint Center of Medical Genetics, Hong Kong Special Administrative Region, The People's Republic of China
| | | | | | | | - Michael F Wangler
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
- Jan and Dan Duncan Neurological Research Institute, Texas Children Hospital, Houston, TX, USA
| | - Shinya Yamamoto
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA
- Jan and Dan Duncan Neurological Research Institute, Texas Children Hospital, Houston, TX, USA
- Department of Neuroscience, Baylor College of Medicine, Houston, TX, USA
| | - Joel Krier
- Brigham and Women's Hospital, Boston, MA, USA
| | | | - Hugo J Bellen
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.
- Jan and Dan Duncan Neurological Research Institute, Texas Children Hospital, Houston, TX, USA.
- Department of Neuroscience, Baylor College of Medicine, Houston, TX, USA.
- Howard Hughes Medical Institute, Baylor College of Medicine, Houston, TX, USA.
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8
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Uezumi A, Ikemoto-Uezumi M, Zhou H, Kurosawa T, Yoshimoto Y, Nakatani M, Hitachi K, Yamaguchi H, Wakatsuki S, Araki T, Morita M, Yamada H, Toyoda M, Kanazawa N, Nakazawa T, Hino J, Fukada SI, Tsuchida K. Mesenchymal Bmp3b expression maintains skeletal muscle integrity and decreases in age-related sarcopenia. J Clin Invest 2021; 131:139617. [PMID: 33170806 DOI: 10.1172/jci139617] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 10/29/2020] [Indexed: 12/19/2022] Open
Abstract
Age-related sarcopenia constitutes an important health problem associated with adverse outcomes. Sarcopenia is closely associated with fat infiltration in muscle, which is attributable to interstitial mesenchymal progenitors. Mesenchymal progenitors are nonmyogenic in nature but are required for homeostatic muscle maintenance. However, the underlying mechanism of mesenchymal progenitor-dependent muscle maintenance is not clear, nor is the precise role of mesenchymal progenitors in sarcopenia. Here, we show that mice genetically engineered to specifically deplete mesenchymal progenitors exhibited phenotypes markedly similar to sarcopenia, including muscle weakness, myofiber atrophy, alterations of fiber types, and denervation at neuromuscular junctions. Through searching for genes responsible for mesenchymal progenitor-dependent muscle maintenance, we found that Bmp3b is specifically expressed in mesenchymal progenitors, whereas its expression level is significantly decreased during aging or adipogenic differentiation. The functional importance of BMP3B in maintaining myofiber mass as well as muscle-nerve interaction was demonstrated using knockout mice and cultured cells treated with BMP3B. Furthermore, the administration of recombinant BMP3B in aged mice reversed their sarcopenic phenotypes. These results reveal previously unrecognized mechanisms by which the mesenchymal progenitors ensure muscle integrity and suggest that age-related changes in mesenchymal progenitors have a considerable impact on the development of sarcopenia.
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Affiliation(s)
- Akiyoshi Uezumi
- Muscle Aging and Regenerative Medicine, Tokyo Metropolitan Institute of Gerontology (TMIG), Tokyo, Japan
| | - Madoka Ikemoto-Uezumi
- Muscle Aging and Regenerative Medicine, Tokyo Metropolitan Institute of Gerontology (TMIG), Tokyo, Japan
| | - Heying Zhou
- Muscle Aging and Regenerative Medicine, Tokyo Metropolitan Institute of Gerontology (TMIG), Tokyo, Japan
| | - Tamaki Kurosawa
- Muscle Aging and Regenerative Medicine, Tokyo Metropolitan Institute of Gerontology (TMIG), Tokyo, Japan
| | - Yuki Yoshimoto
- Muscle Aging and Regenerative Medicine, Tokyo Metropolitan Institute of Gerontology (TMIG), Tokyo, Japan
| | - Masashi Nakatani
- Faculty of Rehabilitation and Care, Seijoh University, Tokai, Japan
| | - Keisuke Hitachi
- Division for Therapies against Intractable Diseases, Institute for Comprehensive Medical Science (ICMS), Fujita Health University, Toyoake, Japan
| | - Hisateru Yamaguchi
- Department of Medical Technology, School of Nursing and Medical Care, Yokkaichi Nursing and Medical Care University, Yokkaichi, Japan
| | - Shuji Wakatsuki
- Department of Peripheral Nervous System Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Toshiyuki Araki
- Department of Peripheral Nervous System Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Tokyo, Japan
| | - Mitsuhiro Morita
- Department of Orthopaedic Surgery, Fujita Health University, Toyoake, Japan
| | - Harumoto Yamada
- Department of Orthopaedic Surgery, Fujita Health University, Toyoake, Japan
| | | | - Nobuo Kanazawa
- Department of Surgery, Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology (TMGHIG), Tokyo, Japan
| | | | - Jun Hino
- Department of Biochemistry, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan
| | - So-Ichiro Fukada
- Project for Muscle Stem Cell Biology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka, Japan
| | - Kunihiro Tsuchida
- Division for Therapies against Intractable Diseases, Institute for Comprehensive Medical Science (ICMS), Fujita Health University, Toyoake, Japan
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9
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Controlling BMP growth factor bioavailability: The extracellular matrix as multi skilled platform. Cell Signal 2021; 85:110071. [PMID: 34217834 DOI: 10.1016/j.cellsig.2021.110071] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/26/2021] [Accepted: 06/29/2021] [Indexed: 01/23/2023]
Abstract
Bone morphogenetic proteins (BMPs) belong to the TGF-β superfamily of signaling ligands which comprise a family of pluripotent cytokines regulating a multitude of cellular events. Although BMPs were originally discovered as potent factors extractable from bone matrix that are capable to induce ectopic bone formation in soft tissues, their mode of action has been mostly studied as soluble ligands in absence of the physiologically relevant cellular microenvironment. This micro milieu is defined by supramolecular networks of extracellular matrix (ECM) proteins that specifically target BMP ligands, present them to their cellular receptors, and allow their controlled release. Here we focus on functional interactions and mechanisms that were described to control BMP bioavailability in a spatio-temporal manner within the respective tissue context. Structural disturbance of the ECM architecture due to mutations in ECM proteins leads to dysregulated BMP signaling as underlying cause for connective tissue disease pathways. We will provide an overview about current mechanistic concepts of how aberrant BMP signaling drives connective tissue destruction in inherited and chronic diseases.
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10
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Camps J, Breuls N, Sifrim A, Giarratana N, Corvelyn M, Danti L, Grosemans H, Vanuytven S, Thiry I, Belicchi M, Meregalli M, Platko K, MacDonald ME, Austin RC, Gijsbers R, Cossu G, Torrente Y, Voet T, Sampaolesi M. Interstitial Cell Remodeling Promotes Aberrant Adipogenesis in Dystrophic Muscles. Cell Rep 2021; 31:107597. [PMID: 32375047 DOI: 10.1016/j.celrep.2020.107597] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 03/06/2020] [Accepted: 04/10/2020] [Indexed: 12/26/2022] Open
Abstract
Fibrosis and fat replacement in skeletal muscle are major complications that lead to a loss of mobility in chronic muscle disorders, such as muscular dystrophy. However, the in vivo properties of adipogenic stem and precursor cells remain unclear, mainly due to the high cell heterogeneity in skeletal muscles. Here, we use single-cell RNA sequencing to decomplexify interstitial cell populations in healthy and dystrophic skeletal muscles. We identify an interstitial CD142-positive cell population in mice and humans that is responsible for the inhibition of adipogenesis through GDF10 secretion. Furthermore, we show that the interstitial cell composition is completely altered in muscular dystrophy, with a near absence of CD142-positive cells. The identification of these adipo-regulatory cells in the skeletal muscle aids our understanding of the aberrant fat deposition in muscular dystrophy, paving the way for treatments that could counteract degeneration in patients with muscular dystrophy.
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Affiliation(s)
- Jordi Camps
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium; Bayer AG, Research & Development, Pharmaceuticals, 13353 Berlin, Germany
| | - Natacha Breuls
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Alejandro Sifrim
- Laboratory of Reproductive Genomics, Department of Human Genetics, KU Leuven, 3000 Leuven, Belgium; Wellcome Genome Campus, Wellcome Sanger Institute, Cambridge CB10 1SA, UK
| | - Nefele Giarratana
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Marlies Corvelyn
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Laura Danti
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Hanne Grosemans
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium
| | - Sebastiaan Vanuytven
- Laboratory of Reproductive Genomics, Department of Human Genetics, KU Leuven, 3000 Leuven, Belgium
| | - Irina Thiry
- Laboratory for Molecular Virology and Gene Therapy, and Leuven Viral Vector Core, KU Leuven, 3000 Leuven, Belgium
| | - Marzia Belicchi
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Centro Dino Ferrari, 20122 Milan, Italy
| | - Mirella Meregalli
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Centro Dino Ferrari, 20122 Milan, Italy
| | - Khrystyna Platko
- Department of Medicine, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, McMaster University, Hamilton, ON L8N 4A6, Canada
| | - Melissa E MacDonald
- Department of Medicine, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, McMaster University, Hamilton, ON L8N 4A6, Canada
| | - Richard C Austin
- Department of Medicine, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, McMaster University, Hamilton, ON L8N 4A6, Canada
| | - Rik Gijsbers
- Laboratory for Molecular Virology and Gene Therapy, and Leuven Viral Vector Core, KU Leuven, 3000 Leuven, Belgium
| | - Giulio Cossu
- Division of Cell Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK
| | - Yvan Torrente
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Centro Dino Ferrari, 20122 Milan, Italy
| | - Thierry Voet
- Laboratory of Reproductive Genomics, Department of Human Genetics, KU Leuven, 3000 Leuven, Belgium; Wellcome Genome Campus, Wellcome Sanger Institute, Cambridge CB10 1SA, UK
| | - Maurilio Sampaolesi
- Laboratory of Translational Cardiomyology, Department of Development and Regeneration, Stem Cell Research Institute, KU Leuven, 3000 Leuven, Belgium; Human Anatomy Unit, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, 27100 Pavia, Italy.
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11
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Du L, Gao Y. PGM5-AS1 impairs miR-587-mediated GDF10 inhibition and abrogates progression of prostate cancer. J Transl Med 2021; 19:12. [PMID: 33407592 PMCID: PMC7789719 DOI: 10.1186/s12967-020-02572-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 10/13/2020] [Indexed: 11/12/2022] Open
Abstract
Background Prostate cancer (PCa) is a leading cause of cancer-related death in males. Aberrant expression of long non-coding RNAs (lncRNAs) has been implicated in various human malignancies, including PCa. This study aims to clarify the inhibitory role of human PGM5 antisense RNA 1 (PGM5-AS1) in the proliferation and apoptosis of PCa cells. Methods The regulatory network of PGM5-AS1/microRNA-587 (miR-587)/growth and differentiation factor 10 (GDF10) axis was examined by dual-luciferase reporter gene assay, RNA-binding protein immunoprecipitation, and RNA pull down assay. We manipulated the expression of PGM5-AS1, miR-587 and GDF10 by transducing expression vectors, mimic, inhibitor, or short hairpin RNA into PCa cells, thus establishing their functions in cell proliferation and apoptosis. Additionally, we measured the tumorigenicity of PCa cells xenografted in nude mice. Results PGM5-AS1 is expressed at low levels in PCa cell lines. Forced overexpression of PGM5-AS1 restricted proliferation and facilitated apoptosis of PCa cells, manifesting in suppressed xenograft tumor growth in nude mice. Notably, PGM5-AS1 competitively bound to miR-587, which directly targets GDF10. We further validated that the anti-cancer role of PGM5-AS1 in PCa cells was achieved by binding to miR-587 to promote the expression of GDF10. Conclusion PGM5-AS1 upregulates GDF10 gene expression by competitively binding to miR-587, thus inhibiting proliferation and accelerating apoptosis of PCa cells.
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Affiliation(s)
- Lei Du
- Department of Oncology, Linyi People's Hospital, No. 27, East Section of Jiefang RoadShandong, Linyi, 276000, People's Republic of China
| | - Yongli Gao
- Department of Oncology, Linyi People's Hospital, No. 27, East Section of Jiefang RoadShandong, Linyi, 276000, People's Republic of China.
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12
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Martí-Pàmies Í, Thoonen R, Seale P, Vite A, Caplan A, Tamez J, Graves L, Han W, Buys ES, Bloch DB, Scherrer-Crosbie M. Deficiency of bone morphogenetic protein-3b induces metabolic syndrome and increases adipogenesis. Am J Physiol Endocrinol Metab 2020; 319:E363-E375. [PMID: 32603262 PMCID: PMC7473912 DOI: 10.1152/ajpendo.00362.2019] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Bone morphogenetic protein (BMP) receptor signaling is critical for the regulation of the endocrine system and cardiovascular structure and function. The objective of this study was to investigate whether Bmp3b, a glycoprotein synthetized and secreted by adipose tissue, is necessary to regulate glucose and lipid metabolism, adipogenesis, and cardiovascular remodeling. Over the course of 4 mo, Bmp3b-knockout (Bmp3b-/-) mice gained more weight than wild-type (WT) mice. The plasma levels of cholesterol and triglycerides were higher in Bmp3b-/- mice than in WT mice. Bmp3b-/- mice developed insulin resistance and glucose intolerance. The basal heart rate was higher in Bmp3b-/- mice than in WT mice, and echocardiography revealed eccentric remodeling in Bmp3b-/- mice. The expression of adipogenesis-related genes in white adipose tissue was higher in Bmp3b-/- mice than in WT control mice. In vitro studies showed that Bmp3b modulates the activity of the C/ebpα promoter, an effect mediated by Smad2/3. The results of this study suggest that Bmp3b is necessary for the maintenance of homeostasis in terms of age-related weight gain, glucose metabolism, and left ventricular (LV) remodeling and function. Interventions that increase the level or function of BMP3b may decrease cardiovascular risk and pathological cardiac remodeling.
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Affiliation(s)
- Íngrid Martí-Pàmies
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Robrecht Thoonen
- Cardiovascular Research Center, Massachusetts General Hospital, Boston, Massachusetts
| | - Patrick Seale
- Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Alexia Vite
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Alex Caplan
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jesus Tamez
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Lauren Graves
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Wei Han
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Emmanuel S Buys
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, Massachusetts
| | - Donald B Bloch
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, Massachusetts
- The Center for Immunology and Inflammatory Diseases and Division of Rheumatology, Allergy, and Immunology, Department of Medicine, Massachusetts General Hospital Research Institute and Harvard Medical School, Boston, Massachusetts
| | - Marielle Scherrer-Crosbie
- Cardiovascular Institute, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
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13
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Platko K, Lebeau PF, Byun JH, Poon SV, Day EA, MacDonald ME, Holzapfel N, Mejia-Benitez A, Maclean KN, Krepinsky JC, Austin RC. GDF10 blocks hepatic PPARγ activation to protect against diet-induced liver injury. Mol Metab 2019; 27:62-74. [PMID: 31288993 PMCID: PMC6717799 DOI: 10.1016/j.molmet.2019.06.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Revised: 06/14/2019] [Accepted: 06/24/2019] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE Growth differentiation factors (GDFs) and bone-morphogenic proteins (BMPs) are members of the transforming growth factor β (TGFβ) superfamily and are known to play a central role in the growth and differentiation of developing tissues. Accumulating evidence, however, demonstrates that many of these factors, such as BMP-2 and -4, as well as GDF15, also regulate lipid metabolism. GDF10 is a divergent member of the TGFβ superfamily with a unique structure and is abundantly expressed in brain and adipose tissue; it is also secreted by the latter into the circulation. Although previous studies have demonstrated that overexpression of GDF10 reduces adiposity in mice, the role of circulating GDF10 on other tissues known to regulate lipid, like the liver, has not yet been examined. METHODS Accordingly, GDF10-/- mice and age-matched GDF10+/+ control mice were fed either normal control diet (NCD) or high-fat diet (HFD) for 12 weeks and examined for changes in liver lipid homeostasis. Additional studies were also carried out in primary and immortalized human hepatocytes treated with recombinant human (rh)GDF10. RESULTS Here, we show that circulating GDF10 levels are increased in conditions of diet-induced hepatic steatosis and, in turn, that secreted GDF10 can prevent excessive lipid accumulation in hepatocytes. We also report that GDF10-/- mice develop an obese phenotype as well as increased liver triglyceride accumulation when fed a NCD. Furthermore, HFD-fed GDF10-/- mice develop increased steatosis, endoplasmic reticulum (ER) stress, fibrosis, and injury of the liver compared to HFD-fed GDF10+/+ mice. To explain these observations, studies in cultured hepatocytes led to the observation that GDF10 attenuates nuclear peroxisome proliferator-activated receptor γ (PPARγ) activity; a transcription factor known to induce de novo lipogenesis. CONCLUSION Our work delineates a hepatoprotective role of GDF10 as an adipokine capable of regulating hepatic lipid levels by blocking de novo lipogenesis to protect against ER stress and liver injury.
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Affiliation(s)
- Khrystyna Platko
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Paul F Lebeau
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Jae Hyun Byun
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Samantha V Poon
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Emily A Day
- The Division of Endocrinology and Metabolism, Department of Medicine, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8N 4A6, Canada
| | - Melissa E MacDonald
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Nicholas Holzapfel
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Aurora Mejia-Benitez
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Kenneth N Maclean
- The Department of Pediatrics, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Joan C Krepinsky
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada
| | - Richard C Austin
- Department of Medicine, McMaster University, The Research Institute of St. Joe's Hamilton, Hamilton Centre for Kidney Research, Hamilton, Ontario, L8N 4A6, Canada.
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14
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Ogawa Y, Tsuji M, Tanaka E, Miyazato M, Hino J. Bone Morphogenetic Protein (BMP)-3b Gene Depletion Causes High Mortality in a Mouse Model of Neonatal Hypoxic-Ischemic Encephalopathy. Front Neurol 2018; 9:397. [PMID: 29922215 PMCID: PMC5996078 DOI: 10.3389/fneur.2018.00397] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 05/15/2018] [Indexed: 12/12/2022] Open
Abstract
Bone morphogenetic proteins (BMPs) are a group of proteins that induce the formation of bone and the development of the nervous system. BMP-3b, also known as growth and differentiation factor 10, is a member of the BMPs that is highly expressed in the developing and adult brain. BMP-3b is therefore thought to play an important role in the brain even after physiological neurogenesis has completed. BMP-3b is induced in peri-infarct neurons in aged brains and is one of the most highly upregulated genes during the initiation of axonal sprouting. However, little is known about the role of BMP-3b in neonatal brain injury. In the present study, we aimed to describe the effects of BMP-3b gene depletion on neonatal hypoxic-ischemic encephalopathy, which frequently results in death or lifelong neurological disabilities, such as cerebral palsy and mental retardation. BMP-3b knockout and wild type mice were prepared at postnatal day 12. Mice of each genotype were divided into sham-surgery, mild hypoxia-ischemia (HI), and severe HI groups (n = 12-45). Mice in the HI groups were subjected to left common carotid artery ligation followed by 30 min (mild HI) or 50 min (severe HI) of systemic hypoxic insult. A battery of tests, including behavioral tests, was performed, and the brain was then removed and evaluated at 14 days after insult. Compared with wild type pups, BMP-3b knockout pups demonstrated the following characteristics. (1) The males exposed to severe HI had a strikingly higher mortality rate, and as many as 70% of the knockout pups but none of the wild type pups died; (2) significantly more hyperactive locomotion was observed in males exposed to severe HI; and (3) significantly more hyperactive rearing was observed in both males and females exposed to mild HI. However, BMP-3b gene depletion did not affect other parameters, such as cerebral blood flow, cylinder test and rotarod test performance, body weight gain, brain weight, spleen weight, and neuroanatomical injury. The results of this study suggest that BMP-3b may play a crucial role to survive in severe neonatal hypoxic-ischemic insult.
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Affiliation(s)
- Yuko Ogawa
- Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Masahiro Tsuji
- Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Emi Tanaka
- Department of Regenerative Medicine and Tissue Engineering, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Mikiya Miyazato
- Department of Biochemistry, National Cerebral and Cardiovascular Center, Suita, Japan
| | - Jun Hino
- Department of Biochemistry, National Cerebral and Cardiovascular Center, Suita, Japan
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15
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Ruiz-Reig N, Andres B, Lamonerie T, Theil T, Fairén A, Studer M. The caudo-ventral pallium is a novel pallial domain expressing Gdf10 and generating Ebf3-positive neurons of the medial amygdala. Brain Struct Funct 2018; 223:3279-3295. [PMID: 29869132 DOI: 10.1007/s00429-018-1687-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Accepted: 05/18/2018] [Indexed: 12/16/2022]
Abstract
In rodents, the medial nucleus of the amygdala receives direct inputs from the accessory olfactory bulbs and is mainly implicated in pheromone-mediated reproductive and defensive behaviors. The principal neurons of the medial amygdala are GABAergic neurons generated principally in the caudo-ventral medial ganglionic eminence and preoptic area. Beside GABAergic neurons, the medial amygdala also contains glutamatergic Otp-expressing neurons cells generated in the lateral hypothalamic neuroepithelium and a non-well characterized Pax6-positive population. In the present work, we describe a novel glutamatergic Ebf3-expressing neuronal subpopulation distributed within the periphery of the postero-ventral medial amygdala. These neurons are generated in a pallial domain characterized by high expression of Gdf10. This territory is topologically the most caudal tier of the ventral pallium and accordingly, we named it Caudo-Ventral Pallium (CVP). In the absence of Pax6, the CVP is disrupted and Ebf3-expressing neurons fail to be generated. Overall, this work proposes a novel model of the neuronal composition of the medial amygdala and unravels for the first time a new novel pallial subpopulation originating from the CVP and expressing the transcription factor Ebf3.
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Affiliation(s)
- Nuria Ruiz-Reig
- Université Côte d'Azur (UCA), CNRS, Inserm, Institut de Biologie Valrose (iBV), 06108, Nice, France.
- Instituto de Neurociencias (Consejo Superior de Investigaciones Científicas-Universidad Miguel Hernández, CSIC-UMH), 03550, San Juan de Alicante, Spain.
| | - Belen Andres
- Instituto de Neurociencias (Consejo Superior de Investigaciones Científicas-Universidad Miguel Hernández, CSIC-UMH), 03550, San Juan de Alicante, Spain
| | - Thomas Lamonerie
- Université Côte d'Azur (UCA), CNRS, Inserm, Institut de Biologie Valrose (iBV), 06108, Nice, France
| | - Thomas Theil
- Centre for Discovery Brain Sciences, Hugh Robson Building, University of Edinburgh, Edinburgh, EH8 9XD, UK
| | - Alfonso Fairén
- Instituto de Neurociencias (Consejo Superior de Investigaciones Científicas-Universidad Miguel Hernández, CSIC-UMH), 03550, San Juan de Alicante, Spain
- , Palau 11, 03550, San Juan de Alicante, Spain
| | - Michèle Studer
- Université Côte d'Azur (UCA), CNRS, Inserm, Institut de Biologie Valrose (iBV), 06108, Nice, France.
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16
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Schilling K. Moving into shape: cell migration during the development and histogenesis of the cerebellum. Histochem Cell Biol 2018; 150:13-36. [DOI: 10.1007/s00418-018-1677-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/03/2018] [Indexed: 12/31/2022]
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17
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Grafe I, Alexander S, Peterson JR, Snider TN, Levi B, Lee B, Mishina Y. TGF-β Family Signaling in Mesenchymal Differentiation. Cold Spring Harb Perspect Biol 2018; 10:a022202. [PMID: 28507020 PMCID: PMC5932590 DOI: 10.1101/cshperspect.a022202] [Citation(s) in RCA: 160] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Mesenchymal stem cells (MSCs) can differentiate into several lineages during development and also contribute to tissue homeostasis and regeneration, although the requirements for both may be distinct. MSC lineage commitment and progression in differentiation are regulated by members of the transforming growth factor-β (TGF-β) family. This review focuses on the roles of TGF-β family signaling in mesenchymal lineage commitment and differentiation into osteoblasts, chondrocytes, myoblasts, adipocytes, and tenocytes. We summarize the reported findings of cell culture studies, animal models, and interactions with other signaling pathways and highlight how aberrations in TGF-β family signaling can drive human disease by affecting mesenchymal differentiation.
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Affiliation(s)
- Ingo Grafe
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030
| | - Stefanie Alexander
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030
| | - Jonathan R Peterson
- Department of Surgery, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Taylor Nicholas Snider
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109
| | - Benjamin Levi
- Department of Surgery, University of Michigan Medical School, Ann Arbor, Michigan 48109
| | - Brendan Lee
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas 77030
| | - Yuji Mishina
- Department of Biologic and Materials Sciences, School of Dentistry, University of Michigan, Ann Arbor, Michigan 48109
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18
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Ruiz-Reig N, Andrés B, Huilgol D, Grove EA, Tissir F, Tole S, Theil T, Herrera E, Fairén A. Lateral Thalamic Eminence: A Novel Origin for mGluR1/Lot Cells. Cereb Cortex 2018; 27:2841-2856. [PMID: 27178193 DOI: 10.1093/cercor/bhw126] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
A unique population of cells, called "lot cells," circumscribes the path of the lateral olfactory tract (LOT) in the rodent brain and acts to restrict its position at the lateral margin of the telencephalon. Lot cells were believed to originate in the dorsal pallium (DP). We show that Lhx2 null mice that lack a DP show a significant increase in the number of mGluR1/lot cells in the piriform cortex, indicating a non-DP origin of these cells. Since lot cells present common developmental features with Cajal-Retzius (CR) cells, we analyzed Wnt3a- and Dbx1-reporter mouse lines and found that mGluR1/lot cells are not generated in the cortical hem, ventral pallium, or septum, the best characterized sources of CR cells. Finally, we identified a novel origin for the lot cells by combining in utero electroporation assays and histochemical characterization. We show that mGluR1/lot cells are specifically generated in the lateral thalamic eminence and that they express mitral cell markers, although a minority of them express ΔNp73 instead. We conclude that most mGluR1/lot cells are prospective mitral cells migrating to the accessory olfactory bulb (OB), whereas mGluR1+, ΔNp73+ cells are CR cells that migrate through the LOT to the piriform cortex and the OB.
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Affiliation(s)
- Nuria Ruiz-Reig
- Instituto de Neurociencias (Consejo Superior de Investigaciones Científicas - Universidad Miguel Hernández, CSIC - UMH), San Juan de Alicante, Spain
| | - Belén Andrés
- Instituto de Neurociencias (Consejo Superior de Investigaciones Científicas - Universidad Miguel Hernández, CSIC - UMH), San Juan de Alicante, Spain
| | - Dhananjay Huilgol
- Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, India.,Current address: Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA
| | | | - Fadel Tissir
- Université catholique de Louvain, Institute of Neuroscience, Brussels, Belgium
| | - Shubha Tole
- Department of Biological Sciences, Tata Institute of Fundamental Research, Mumbai, India
| | - Thomas Theil
- Centre for Integrative Physiology, University of Edinburgh, Edinburgh, UK
| | - Eloisa Herrera
- Instituto de Neurociencias (Consejo Superior de Investigaciones Científicas - Universidad Miguel Hernández, CSIC - UMH), San Juan de Alicante, Spain
| | - Alfonso Fairén
- Instituto de Neurociencias (Consejo Superior de Investigaciones Científicas - Universidad Miguel Hernández, CSIC - UMH), San Juan de Alicante, Spain
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Takeuchi M, Yamaguchi S, Sakakibara Y, Hayashi T, Matsuda K, Hara Y, Tanegashima C, Shimizu T, Kuraku S, Hibi M. Gene expression profiling of granule cells and Purkinje cells in the zebrafish cerebellum. J Comp Neurol 2016; 525:1558-1585. [DOI: 10.1002/cne.24114] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 09/03/2016] [Accepted: 09/04/2016] [Indexed: 02/02/2023]
Affiliation(s)
- Miki Takeuchi
- Laboratory of Organogenesis and Organ Function, Bioscience and Biotechnology; Nagoya University; Nagoya Aichi 464-8601 Japan
| | - Shingo Yamaguchi
- Division of Biological Science, Graduate School of Science; Nagoya University; Nagoya Aichi 464-8602 Japan
| | - Yoshimasa Sakakibara
- Division of Biological Science, Graduate School of Science; Nagoya University; Nagoya Aichi 464-8602 Japan
| | - Takuto Hayashi
- Division of Biological Science, Graduate School of Science; Nagoya University; Nagoya Aichi 464-8602 Japan
| | - Koji Matsuda
- Laboratory of Organogenesis and Organ Function, Bioscience and Biotechnology; Nagoya University; Nagoya Aichi 464-8601 Japan
- Division of Biological Science, Graduate School of Science; Nagoya University; Nagoya Aichi 464-8602 Japan
| | - Yuichiro Hara
- Phyloinformatics Unit, RIKEN Center for Life Science Technologies; Kobe Hyogo 650-0047 Japan
| | - Chiharu Tanegashima
- Phyloinformatics Unit, RIKEN Center for Life Science Technologies; Kobe Hyogo 650-0047 Japan
| | - Takashi Shimizu
- Laboratory of Organogenesis and Organ Function, Bioscience and Biotechnology; Nagoya University; Nagoya Aichi 464-8601 Japan
- Division of Biological Science, Graduate School of Science; Nagoya University; Nagoya Aichi 464-8602 Japan
| | - Shigehiro Kuraku
- Phyloinformatics Unit, RIKEN Center for Life Science Technologies; Kobe Hyogo 650-0047 Japan
| | - Masahiko Hibi
- Laboratory of Organogenesis and Organ Function, Bioscience and Biotechnology; Nagoya University; Nagoya Aichi 464-8601 Japan
- Division of Biological Science, Graduate School of Science; Nagoya University; Nagoya Aichi 464-8602 Japan
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20
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Zhao L, Isayama K, Chen H, Yamauchi N, Shigeyoshi Y, Hashimoto S, Hattori MA. The nuclear receptor REV-ERBα represses the transcription of growth/differentiation factor 10 and 15 genes in rat endometrium stromal cells. Physiol Rep 2016; 4:4/2/e12663. [PMID: 26811051 PMCID: PMC4760387 DOI: 10.14814/phy2.12663] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Cellular oscillators in the uterus play critical roles in the gestation processes of mammals through entraining of the clock proteins to numerous downstream genes, including growth/differentiation factor (Gdf)10 and Gdf15. The expression of Gdf10 and Gdf15 is significantly increased in the uterus during decidualization, but the mechanism underlying the regulation of Gdf gene expression in the uterus is poorly understood. Here, we focused on the function of the cellular oscillators in the expression of Gdf family by using uterine endometrial stromal cells (UESCs) isolated from pregnant Per2‐dLuc transgenic rats. A significant decline of Per2‐dLuc bioluminescence activity was induced in in vitro decidualized UESCs, and concomitantly the expression of canonical clock genes was downregulated. Conversely, the expression of Gdf10 and Gdf15 of the Gdf was upregulated. In UESCs transfected with Bmal1‐specific siRNA, in which Rev‐erbα expression was downregulated, Gdf10 and Gdf15 were upregulated. However, Gdf5, Gdf7, and Gdf11 were not significantly affected by Bmal1 silencing. The expression of Gdf10 and Gdf15 was enhanced after treatment with a REV‐ERBα antagonist in the presence or absence of progesterone. Chromatin immunoprecipitation‐PCR analysis revealed the inhibitory effect of REV‐ERBα on the expression of Gdf10 and Gdf15 in UESCs by recognizing their gene promoters. Collectively, our findings indicate that the attenuation of REV‐ERBα leads to an upregulation of Gdf10 and Gdf15 in decidual cells, in which cellular oscillators are impaired. Our results provide novel evidence regarding the functions of cellular oscillators regulating the expression of downstream genes during the differentiation of UESCs.
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Affiliation(s)
- Lijia Zhao
- Department of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University, Fukuoka, Japan
| | - Keishiro Isayama
- Department of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University, Fukuoka, Japan
| | - Huatao Chen
- Department of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University, Fukuoka, Japan
| | - Nobuhiko Yamauchi
- Department of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University, Fukuoka, Japan
| | - Yasufumi Shigeyoshi
- Department of Anatomy and Neurobiology, Kinki University School of Medicine, Osaka, Japan
| | | | - Masa-Aki Hattori
- Department of Animal and Marine Bioresource Sciences, Graduate School of Agriculture, Kyushu University, Fukuoka, Japan
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21
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Li S, Nie EH, Yin Y, Benowitz LI, Tung S, Vinters HV, Bahjat FR, Stenzel-Poore MP, Kawaguchi R, Coppola G, Carmichael ST. GDF10 is a signal for axonal sprouting and functional recovery after stroke. Nat Neurosci 2015; 18:1737-45. [PMID: 26502261 PMCID: PMC4790086 DOI: 10.1038/nn.4146] [Citation(s) in RCA: 127] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 09/24/2015] [Indexed: 02/08/2023]
Abstract
Stroke produces a limited process of neural repair. Axonal sprouting in cortex adjacent to the infarct is part of this recovery process, but the signal that initiates axonal sprouting is not known. Growth and differentiation factor 10 (GDF10) is induced in peri-infarct neurons in mice, non-human primates and humans. GDF10 promotes axonal outgrowth in vitro in mouse, rat and human neurons through TGFβRI and TGFβRII signaling. Using pharmacogenetic gain- and loss-of-function studies, we found that GDF10 produced axonal sprouting and enhanced functional recovery after stroke; knocking down GDF10 blocked axonal sprouting and reduced recovery. RNA sequencing from peri-infarct cortical neurons revealed that GDF10 downregulated PTEN, upregulated PI3 kinase signaling and induced specific axonal guidance molecules. Using unsupervised genome-wide association analysis of the GDF10 transcriptome, we found that it was not related to neurodevelopment, but may partially overlap with other CNS injury patterns. Thus, GDF10 is a stroke-induced signal for axonal sprouting and functional recovery.
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Affiliation(s)
- S Li
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - EH Nie
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Y Yin
- Laboratories for Neuroscience Research in Neurosurgery, Children’s Hospital, Boston, MA
| | - LI Benowitz
- Laboratories for Neuroscience Research in Neurosurgery, Children’s Hospital, Boston, MA
| | - S Tung
- Department of Pathology and Laboratory Medicine (Neuropathology), David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - HV Vinters
- Department of Pathology and Laboratory Medicine (Neuropathology), David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - FR Bahjat
- Department of Molecular Microbiology & Immunology, Oregon Health & Science University, Portland, OR
| | - MP Stenzel-Poore
- Department of Molecular Microbiology & Immunology, Oregon Health & Science University, Portland, OR
| | - R Kawaguchi
- Program in Neurogenetics, Department of Neurology and Department of Psychiatry, Semel Institute for Neuroscience and Human Behavior, Los Angeles, CA
| | - G Coppola
- Program in Neurogenetics, Department of Neurology and Department of Psychiatry, Semel Institute for Neuroscience and Human Behavior, Los Angeles, CA
| | - ST Carmichael
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA
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22
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Lin B, Tan F, Xu H, Wang P, Tang Q, Zhu Y, Kong X, Hu L. De novo Structure Variations of the Y Chromosome in a 47,XXY Female with Ovarian Failure: A Case Report. Cytogenet Genome Res 2014; 143:221-4. [DOI: 10.1159/000366170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/31/2014] [Indexed: 11/19/2022] Open
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Mecklenburg N, Martinez-Lopez JE, Moreno-Bravo JA, Perez-Balaguer A, Puelles E, Martinez S. Growth and differentiation factor 10 (Gdf10) is involved in Bergmann glial cell development under Shh regulation. Glia 2014; 62:1713-23. [PMID: 24963847 DOI: 10.1002/glia.22710] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 06/04/2014] [Accepted: 06/06/2014] [Indexed: 12/17/2022]
Abstract
Growth differentiation factor 10 (Gdf10), also known as Bmp3b, is a member of the transforming growth factor (TGF)-ß superfamily. Gdf10 is expressed in Bergmann glial cells, which was investigated by single-cell transcriptional profiling (Koirala and Corfas, (2010) PLoS ONE 5: e9198). Here we provide a detailed characterization of Gdf10 expression from E14, the stage at which Gdf10 is expressed for the first time in the cerebellum, until P28. We detected Gdf10 expression in both germinal zones: in the ventricular zone (VZ) of the 4th ventricle as well as in the rhombic lip (RL). The VZ has been postulated to give rise to GABAergic neurons and glial cells, whereas the RL gives rise to glutamatergic neurons. Thus, it was very surprising to discover a gene that is expressed exclusively in glial cells and is not restricted to an expression in the VZ, but is also present in the RL. At postnatal stages Gdf10 was distributed equally in Bergmann glial cells of the cerebellum. Furthermore, we found Gdf10 to be regulated by Sonic hedgehog (Shh), which is secreted by Purkinje cells of the cerebellum. In the conditional Shh mutants, glial cells showed a reduced expression of Gdf10, whereas the expression of Nestin and Vimentin was unchanged. Thus, we show for the first time, that Gdf10, expressed in Bergmann glial cells, is affected by the loss of Shh as early as E18.5, suggesting a regulation of glial development by Shh.
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Affiliation(s)
- Nora Mecklenburg
- Instituto de Neurociencias de Alicante, Universidad Miguel Hernandez, Consejo Superior de Investigaciones Científicas (UMH-CSIC), E-03550, Alicante, Spain; Max-Delbrück-Center for Molecular Medicine, D-13125, Berlin, Germany
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24
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Meng Q, Jin C, Chen Y, Chen J, Medvedovic M, Xia Y. Expression of signaling components in embryonic eyelid epithelium. PLoS One 2014; 9:e87038. [PMID: 24498290 PMCID: PMC3911929 DOI: 10.1371/journal.pone.0087038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Accepted: 11/07/2013] [Indexed: 11/30/2022] Open
Abstract
Closure of an epithelium opening is a critical morphogenetic event for development. An excellent example for this process is the transient closure of embryonic eyelid. Eyelid closure requires shape change and migration of epithelial cells at the tip of the developing eyelids, and is dictated by numerous signaling pathways. Here we evaluated gene expression in epithelial cells isolated from the tip (leading edge, LE) and inner surface epithelium (IE) of the eyelid from E15.5 mouse fetuses by laser capture microdissection (LCM). We showed that the LE and IE cells are different at E15.5, such that IE had higher expression of muscle specific genes, while LE acquired epithelium identities. Despite their distinct destinies, these cells were overall similar in expression of signaling components for the “eyelid closure pathways”. However, while the LE cells had more abundant expression of Fgfr2, Erbb2, Shh, Ptch1 and 2, Smo and Gli2, and Jag1 and Notch1, the IE cells had more abundant expression of Bmp5 and Bmpr1a. In addition, the LE cells had more abundant expression of adenomatosis polyposis coli down-regulated 1 (Apcdd1), but the IE cells had high expression of Dkk2. Our results suggest that the functionally distinct LE and IE cells have also differential expression of signaling molecules that may contribute to the cell-specific responses to morphogenetic signals. The expression pattern suggests that the EGF, Shh and NOTCH pathways are preferentially active in LE cells, the BMP pathways are effective in IE cells, and the Wnt pathway may be repressed in LE and IE cells via different mechanisms.
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Affiliation(s)
- Qinghang Meng
- Department of Environmental Health, College of Medicine, University of Cincinnati, Cincinnati, Ohio, United States of America
| | - Chang Jin
- Department of Environmental Health, College of Medicine, University of Cincinnati, Cincinnati, Ohio, United States of America
| | - Yinglei Chen
- Department of Environmental Health, College of Medicine, University of Cincinnati, Cincinnati, Ohio, United States of America
| | - Jing Chen
- Department of Environmental Health, College of Medicine, University of Cincinnati, Cincinnati, Ohio, United States of America
| | - Mario Medvedovic
- Department of Environmental Health, College of Medicine, University of Cincinnati, Cincinnati, Ohio, United States of America
| | - Ying Xia
- Department of Environmental Health, College of Medicine, University of Cincinnati, Cincinnati, Ohio, United States of America
- * E-mail:
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Martinez S, Andreu A, Mecklenburg N, Echevarria D. Cellular and molecular basis of cerebellar development. Front Neuroanat 2013; 7:18. [PMID: 23805080 PMCID: PMC3693072 DOI: 10.3389/fnana.2013.00018] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Accepted: 06/03/2013] [Indexed: 01/14/2023] Open
Abstract
Historically, the molecular and cellular mechanisms of cerebellar development were investigated through structural descriptions and studying spontaneous mutations in animal models and humans. Advances in experimental embryology, genetic engineering, and neuroimaging techniques render today the possibility to approach the analysis of molecular mechanisms underlying histogenesis and morphogenesis of the cerebellum by experimental designs. Several genes and molecules were identified to be involved in the cerebellar plate regionalization, specification, and differentiation of cerebellar neurons, as well as the establishment of cellular migratory routes and the subsequent neuronal connectivity. Indeed, pattern formation of the cerebellum requires the adequate orchestration of both key morphogenetic signals, arising from distinct brain regions, and local expression of specific transcription factors. Thus, the present review wants to revisit and discuss these morphogenetic and molecular mechanisms taking place during cerebellar development in order to understand causal processes regulating cerebellar cytoarchitecture, its highly topographically ordered circuitry and its role in brain function.
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Affiliation(s)
- Salvador Martinez
- Experimental Embryology Lab, Consejo Superior de Investigaciones Científicas, Instituto de Neurociencias de Alicante, Universidad Miguel Hernandez Alicante, Spain
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26
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Tandon M, Gokul K, Ali SA, Chen Z, Lian J, Stein GS, Pratap J. Runx2 mediates epigenetic silencing of the bone morphogenetic protein-3B (BMP-3B/GDF10) in lung cancer cells. Mol Cancer 2012; 11:27. [PMID: 22537242 PMCID: PMC3377538 DOI: 10.1186/1476-4598-11-27] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Accepted: 04/26/2012] [Indexed: 12/31/2022] Open
Abstract
Background The Runt-related transcription factor Runx2 is essential for bone development but is also implicated in progression of several cancers of breast, prostate and bone, where it activates cancer-related genes and promotes invasive properties. The transforming growth factor β (TGF-β) family member bone morphogenetic protein-3B (BMP-3B/GDF10) is regarded as a tumor growth inhibitor and a gene silenced in lung cancers; however the regulatory mechanisms leading to its silencing have not been identified. Results Here we show that Runx2 is highly expressed in lung cancer cells and downregulates BMP-3B. This inverse relationship between Runx2 and BMP-3B expression is further supported by increased expression of BMP-3B in mesenchymal cells from Runx2 deficient mice. The ectopic expression of Runx2, but not DNA binding mutant Runx2, in normal lung fibroblast cells and lung cancer cells resulted in suppression of BMP-3B levels. The chromatin immunoprecipitation studies identified that the mechanism of Runx2-mediated suppression of BMP-3B is due to the recruitment of Runx2 and histone H3K9-specific methyltransferase Suv39h1 to BMP-3B proximal promoter and a concomitant increase in histone methylation (H3K9) status. The knockdown of Runx2 in H1299 cells resulted in decreased histone H3K9 methylation on BMP-3B promoter and increased BMP-3B expression levels. Furthermore, co-immunoprecipitation studies showed a direct interaction of Runx2 and Suv39h1 proteins. Phenotypically, Runx2 overexpression in H1299 cells increased wound healing response to TGFβ treatment. Conclusions Our studies identified BMP-3B as a new Runx2 target gene and revealed a novel function of Runx2 in silencing of BMP-3B in lung cancers. Our results suggest that Runx2 is a potential therapeutic target to block tumor suppressor gene silencing in lung cancer cells.
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Affiliation(s)
- Manish Tandon
- Department of Anatomy and Cell Biology, Rush University Medical Center, Armour Academic Center, 600 S, Paulina St, Suite 507, Chicago, IL, 60612, USA
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Pangas SA. Bone morphogenetic protein signaling transcription factor (SMAD) function in granulosa cells. Mol Cell Endocrinol 2012; 356:40-7. [PMID: 21763749 PMCID: PMC3203253 DOI: 10.1016/j.mce.2011.06.021] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 05/27/2011] [Accepted: 06/21/2011] [Indexed: 01/04/2023]
Abstract
The transforming growth factor β (TGFβ) family of proteins are key regulators of growth and differentiation. Members of this family, including multiple TGFβs, activins, bone morphogenetic proteins (BMPs), and growth and differentiation factor 9 (GDF9), are expressed from oocytes or their associated follicular somatic cells (granulosa and thecal cells) with cell-type and stage-dependent specificity. Granulosa cells are the target cells for many of these ligands. Granulosa cell-specific knockout mice for all of the receptor-regulated SMADs, as well as the common regulatory SMAD4, have recently been generated and highlight the importance of this family in most stages of folliculogenesis. These models have also uncovered a novel role for the BMPs in suppression of granulosa cell tumor development and metastasis. This review summarizes the phenotypes of these mouse models and their contribution to our understanding of the complexity of BMP function during follicle development.
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Affiliation(s)
- Stephanie A Pangas
- Department of Pathology and Immunology, Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA.
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Matsumoto Y, Otsuka F, Hino J, Miyoshi T, Takano M, Miyazato M, Makino H, Kangawa K. Bone morphogenetic protein-3b (BMP-3b) inhibits osteoblast differentiation via Smad2/3 pathway by counteracting Smad1/5/8 signaling. Mol Cell Endocrinol 2012; 350:78-86. [PMID: 22155034 DOI: 10.1016/j.mce.2011.11.023] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2011] [Revised: 11/17/2011] [Accepted: 11/22/2011] [Indexed: 10/14/2022]
Abstract
Despite the involvement of BMP-3b (also called GDF-10) in osteogenesis, embryogenesis and adipogenesis, the functional receptors and intracellular signaling of BMP-3b have yet to be elucidated. In the present study, we investigated the cellular mechanism of BMP-3b in osteoblast differentiation using mouse myoblastic C2C12 cells. BMP-3b stimulated activin/TGF-β-responsive promoter activities. The stimulatory actions of BMP-3b on activin/TGF-β-responsive activities were suppressed by co-treatment with BMP-2. BMP-responsive promoter activities stimulated by BMP-2 were significantly inhibited by treatment with BMP-3b. BMP-3b suppressed the expression of osteoblastic markers including Runx2, osteocalcin and type-1 collagen induced by BMP-2, -4, -6 and -7. BMP-2-induced Smad1/5/8 phosphorylation and mRNA levels of the BMP target gene Id-1 were suppressed by co-treatment with BMP-3b, although BMP-3b failed to activate Smad1/5/8 signaling. Of interest, the BMP-3b suppression of BMP-2-induced Id-1 expression was not observed in cells overexpressing Smad4 molecules. On the other hand, BMP-3b directly activated Smad2/3 phosphorylation and activin/TGF-β target gene PAI-1 mRNA expression, while BMP-2 suppressed BMP-3b-induced Smad2/3 signal activation. BMP-2 inhibition of BMP-3b-induced PAI-1 expression was also reversed by overexpression of Smad4. Analysis using inhibitors for BMP-Smad1/5/8 pathways revealed that these BMP-3b effects were mediated via receptors other than ALK-2, -3 and -6. Furthermore, results of inhibitory studies using extracellular domains for BMP receptor constructs showed that the activity of BMP-3b was functionally facilitated by a combination of ALK-4 and ActRIIA. Collectively, BMP-3b plays an inhibitory role in the process of osteoblast differentiation, in which BMP-3b and BMP-2 are mutually antagonistic possibly by competing with the availability of Smad4.
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Affiliation(s)
- Yoshinori Matsumoto
- Department of Medicine and Clinical Science, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kitaku, Okayama 700-8558, Japan
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Bovine GDF10 gene polymorphism analysis and its association with body measurement traits in Chinese indigenous cattle. Mol Biol Rep 2011; 39:4067-75. [PMID: 21805344 PMCID: PMC3294207 DOI: 10.1007/s11033-011-1188-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2011] [Accepted: 07/11/2011] [Indexed: 10/26/2022]
Abstract
The objective of this research was to detect bovine GDF10 gene polymorphism and analyze its association with body measurement traits (BMT) of animals sampled from 6 different Chinese indigenous cattle populations. The populations included Xuelong (Xl), Luxi (Lx), Qinchuan (Qc), Jiaxian red (Jx), Xianang (Xn) and Nanyang (Ny). Blood samples were taken from a total of 417 female animals stratified into age categories of 12-36 months. Polymerase chain reaction-single strand conformation polymorphism (PCR-SSCP) was employed to find out GDF10 single polymorphism nucleotide (SNPs) and explore their possible association with BMT. Sequence analysis of GDF10 gene revealed 3 SNPs in total: 1 in exon1 (G142A) and 2 in exon3 (A11471G, and T12495C). G142A and T12495C SNPs are both synonymous mutation. They showed 2 genotypes namely respectively (GG, GA) and (PP and PB). A11471G SNP is a missense mutation leading to the change of Alanine to Threonine amino acid. It showed three genotypes namely AA, BB and AB. Analysis of association of polymorphism with body measurement traits at the three locus showed that there were significant effects on BMT in Qc, Jx and Ny cattle population. These results suggest that the GDF10 gene might have potential effects on body measurement traits in the above mentioned cattle populations and could be used for marker-assisted selection.
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Bone morphogenetic protein-3b (BMP-3b) is expressed in adipocytes and inhibits adipogenesis as a unique complex. Int J Obes (Lond) 2011; 36:725-34. [PMID: 21712809 PMCID: PMC3348488 DOI: 10.1038/ijo.2011.124] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Background: Bone morphogenetic protein-3b (BMP-3b) is a member of the transforming growth factor-β (TGF-β) superfamily. BMP-3b regulates osteogenesis and has critical roles in developing embryos. BMP-3b is expressed not only in the bone and developing embryos but also in adipose tissues. However, the functions of BMP-3b in adipose tissue are still unknown. Methods: BMP-3b expression was quantified in various adipose tissues and in the adipose-derived stromal-vascular fraction (SVF) and mature adipocyte fraction (AD.F) of mice. We also used 3T3-L1 preadipocytes to analyze the expression, function and molecular forms of BMP-3b. In order to determine the effects of BMP-3b on the adipogenesis of 3T3-L1 cells, BMP-3b siRNA-mediated knockdown and gene overexpression studies were performed, and a conditioned medium (CM) containing the BMP-3b protein was added to 3T3-L1 cell cultures. Adipocyte differentiation was evaluated by measuring the expression of adipogenic markers or by Oil Red O staining. The molecular form of BMP-3b that was secreted from the 3T3-L1 cells was analyzed by western blotting. Results: BMP-3b is expressed in all adipose tissues and is expressed at higher levels in preadipocytes than in mature adipocytes. In mesenteric adipose tissue, BMP-3b expression was increased in diet-induced obesity (DIO) mice as compared with that in control mice. BMP-3b was also expressed highly in 3T3-L1 cells. We showed that siRNA-mediated knockdown of endogenous BMP-3b expression in 3T3-L1 cells enhanced adipogenesis. Conversely, overexpressing BMP-3b inhibited adipocyte differentiation. We also showed that addition of CM containing the BMP-3b protein inhibited the differentiation of 3T3-L1 cells, and that this inhibitory effect was abolished by removing BMP-3b with an anti-BMP-3b antibody. Furthermore, BMP-3b was secreted from adipocytes as a unique non-covalent complex. Conclusion: These data suggest that BMP-3b is secreted from adipocytes and is involved in adipocyte differentiation.
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Adoligbe C, Zan LS, Wang HB, Ujjan JA. A novel polymorphism of the GDF₁₀ gene and its association with body measurement traits in Chinese indigenous cattle. GENETICS AND MOLECULAR RESEARCH 2011; 10:988-95. [PMID: 21710448 DOI: 10.4238/vol10-2gmr989] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Body measurement traits are known to play numerous important roles in the assessment of productivity and economic value. They are influenced by several factors, among which genetic factors are predominant. The gene GDF₁₀ is involved in skeletal morphogenesis and is associated with body measurement traits. It may be an important candidate gene for marker-assisted selection. We used the PCR-SSCP technology to examine a possible association of the single nucleotide polymorphism (SNP) (G142A) of the bovine GDF₁₀ gene with body measurement traits in 417 animals belonging to six different Chinese cattle populations: Xue long (Xl), Luxi (Lx), Qinchuan (Qc), Jiaxian red (Jx), Xianang (Xn), and Nanyang (Ny). In the Jx population, least squares analysis revealed significant effects on hip width, chest depth and chest circumference. The animals with the GG genotype had higher mean values than those with the GA genotype for all three traits. We conclude that the SNP of the GDF₁₀ gene could be a very useful genetic marker for body traits in Jx cattle reproduction and breeding.
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Affiliation(s)
- C Adoligbe
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, P.R. China
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32
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Das SK. Regional development of uterine decidualization: molecular signaling by Hoxa-10. Mol Reprod Dev 2010; 77:387-96. [PMID: 19921737 DOI: 10.1002/mrd.21133] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Uterine decidualization, a key event in implantation, is critically controlled by stromal cell proliferation and differentiation. Although the molecular mechanism that controls this event is not well understood, the general consensus is that the factors derived locally at the site of implantation influence aspects of decidualization. Hoxa-10, a developmentally regulated homeobox transcription factor, is highly expressed in decidualizing stromal cells, and targeted deletion of Hoxa-10 in mice shows severe decidualization defects, primarily due to the reduced stromal cell responsiveness to progesterone (P(4)). While the increased stromal cell proliferation is considered to be an initiator of decidualization, the establishment of a full-grown functional decidua appears to depend on the aspects of regional proliferation and differentiation. In this regard, this article provides an overview of potential signaling mechanisms mediated by Hoxa-10 that can influence a host of genes and cell functions necessary for propagating regional decidual development.
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Affiliation(s)
- Sanjoy K Das
- Reproductive Sciences, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio 45229-3039, USA.
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Koirala S, Corfas G. Identification of novel glial genes by single-cell transcriptional profiling of Bergmann glial cells from mouse cerebellum. PLoS One 2010; 5:e9198. [PMID: 20169146 PMCID: PMC2820553 DOI: 10.1371/journal.pone.0009198] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2009] [Accepted: 01/22/2010] [Indexed: 01/15/2023] Open
Abstract
Bergmann glial cells play critical roles in the structure and function of the cerebellum. During development, their radial processes serve as guides for migrating granule neurons and their terminal endfeet tile to form the glia limitans. As the cerebellum matures, Bergmann glia perform important roles in synaptic transmission and synapse maintenance, while continuing to serve as essential structural elements. Despite growing evidence of the diverse functions of Bergmann glia, the molecular mechanisms that mediate these functions have remained largely unknown. As a step toward identifying the molecular repertoire underlying Bergmann glial function, here we examine global gene expression in individual Bergmann glia from developing (P6) and mature (P30) mouse cerebellum. When we select for developmentally regulated genes, we find that transcription factors and ribosomal genes are particularly enriched at P6 relative to P30; whereas synapse associated molecules are enriched at P30 relative to P6. We also analyze genes expressed at high levels at both ages. In all these categories, we find genes that were not previously known to be expressed in glial cells, and discuss novel functions some of these genes may potentially play in Bergmann glia. We also show that Bergmann glia, even in the adult, express a large set of genes thought to be specific to stem cells, suggesting that Bergmann glia may retain neural precursor potential as has been proposed. Finally, we highlight several genes that in the cerebellum are expressed in Bergmann glia but not astrocytes, and may therefore serve as new, specific markers for Bergmann glia.
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Affiliation(s)
- Samir Koirala
- F.M. Kirby Neurobiology Center, Children's Hospital Boston, Boston, Massachusetts, United States of America
- Department of Neurology, Harvard Medical School, Boston, Massachusetts, United States of America
| | - Gabriel Corfas
- F.M. Kirby Neurobiology Center, Children's Hospital Boston, Boston, Massachusetts, United States of America
- Department of Neurology, Harvard Medical School, Boston, Massachusetts, United States of America
- Department of Otolaryngology, Harvard Medical School, Boston, Massachusetts, United States of America
- * E-mail:
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Kodama A, Yoshino O, Osuga Y, Harada M, Hasegawa A, Hamasaki K, Takamura M, Koga K, Hirota Y, Hirata T, Takemura Y, Yano T, Taketani Y. Progesterone decreases bone morphogenetic protein (BMP) 7 expression and BMP7 inhibits decidualization and proliferation in endometrial stromal cells. Hum Reprod 2010; 25:751-6. [DOI: 10.1093/humrep/dep455] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Sun Y, Zhang QJ, Zhong J, Wang YQ. Characterization and expression of AmphiBMP3 /3b gene in amphioxus Branchiostoma japonicum. Dev Growth Differ 2010; 52:157-67. [PMID: 20067497 DOI: 10.1111/j.1440-169x.2009.01150.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Bone morphogenetic proteins (BMPs) are responsible for regulating embryo development and tissue homeostasis beyond osteogenesis. However, the precise biological roles of BMP3 and BMP3b remain obscure to a certain extent. In the present study, we cloned an orthologous gene (AmphiBMP3/3b) from amphioxus (Branchiostoma japonicum) and found its exon/intron organization is highly conserved. Further, in situ hybridization revealed that the gene was strongly expressed in the dorsal neural plate of the embryos. The gene also appeared in Hatschek's left diverticulum, neural tube, preoral ciliated pit and gill slit of larvae, and adult tissues including ovary, neural tube and notochordal sheath. Additionally, real-time quantitative polymerase chain reaction (RTqPCR) analysis revealed that the expression displayed two peaks at gastrula and juvenile stages. These results indicated that AmphiBMP3/3b, a sole orthologue of vertebrate BMP3 and BMP3b, might antagonize ventralizing BMP2 orthologous signaling in embryonic development, play a role in the evolutionary precursors of adenohypophysis, as well as act in female ovary physiology in adult.
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Affiliation(s)
- Yi Sun
- Key Laboratory of Ministry of Education for Coastal and Wetland Ecosystems, School of Life Sciences, Xiamen University, Xiamen 361005, China
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Wong CL, Huang YY, Ho WK, Poon HK, Cheung PL, O WS, Chow PH. Growth-differentiation factor-8 (GDF-8) in the uterus: its identification and functional significance in the golden hamster. Reprod Biol Endocrinol 2009; 7:134. [PMID: 19930721 PMCID: PMC2790456 DOI: 10.1186/1477-7827-7-134] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2009] [Accepted: 11/25/2009] [Indexed: 12/20/2022] Open
Abstract
Transforming growth factor-beta superfamily regulates many aspects of reproduction in the female. We identified a novel member of this family, growth-differentiation factor 8 (GDF-8) in the 72 h post coital uterine fluid of the golden hamster by proteomic techniques. Uterine GDF-8 mRNA decreased as pregnancy progressed while its active protein peaked at 72 h post coitus (hpc) and thereafter stayed at a lower level. At 72 hpc, the GDF-8 transcript was localized to the endometrial epithelium while its protein accumulated in the stroma. Exogenous GDF-8 slowed down proliferation of primary cultures of uterine smooth muscle cells (SMC) and endometrial epithelial cells (EEC). In addition, GDF-8 attenuated the release of LIF (leukaemia inhibiting factor) by EEC. As for the embryo in culture, GDF-8 promoted proliferation of the trophotoderm (TM) and hatching but discouraged attachment. Our study suggests that GDF-8 could regulate the behavior of preimplantation embryos and fine-tune the physiology of uterine environment during pregnancy.
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Affiliation(s)
- Chun Lung Wong
- School of Biomedical Sciences, Faculty of Medicine, the Chinese University of Hong Kong, Shatin, Hong Kong, PR China
| | - Ya Yu Huang
- School of Biomedical Sciences, Faculty of Medicine, the Chinese University of Hong Kong, Shatin, Hong Kong, PR China
| | - Wing Kei Ho
- School of Biomedical Sciences, Faculty of Medicine, the Chinese University of Hong Kong, Shatin, Hong Kong, PR China
| | - Hong Kit Poon
- School of Biomedical Sciences, Faculty of Medicine, the Chinese University of Hong Kong, Shatin, Hong Kong, PR China
| | - Pui Lai Cheung
- Department of Anatomy, Li Ka Shing Faculty of Medicine, the University of Hong Kong, Sassoon Road, Hong Kong, PR China
| | - Wai Sum O
- Department of Anatomy, Li Ka Shing Faculty of Medicine, the University of Hong Kong, Sassoon Road, Hong Kong, PR China
| | - Pak Ham Chow
- School of Biomedical Sciences, Faculty of Medicine, the Chinese University of Hong Kong, Shatin, Hong Kong, PR China
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Galdones E, Hales BF. Retinoic acid receptor gamma-induced misregulation of chondrogenesis in the murine limb bud in vitro. Toxicol Sci 2008; 106:223-32. [PMID: 18703560 DOI: 10.1093/toxsci/kfn169] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Vitamin A derivatives modulate gene expression through retinoic acid and rexinoid receptor (RAR/RXR) heterodimers and are indispensable for limb development. Of particular interest, RARgamma is highly expressed in cartilage, a target affected following retinoid-induced limb insult. The goal of this study was to examine how selective activation of RARgamma affects limb development. Forelimbs from E12.5 CD-1 mice were cultured for 6 days in the presence of all-trans RA (pan-RAR agonist; 0.1 or 1.0 microM) or BMS-189961 (BMS961, RARgamma-selective agonist; 0.01 or 0.1 microM) and limb morphology assessed. Untreated limbs developed normal cartilage elements whereas pan-RAR or RARgamma agonist-treated limbs exhibited reductive effects on chondrogenesis. Retinoid activity was assessed using RAREbeta2 (retinoic acid response element beta2)-lacZ reporter limbs; after 3 h of treatment, both drugs increased retinoid activity proximally. To elucidate the expression profiles of a subset of genes important for development, limbs were cultured for 3 h and cRNA hybridized to osteogenesis-focused microarrays. Two genes, matrix GLA protein (Mgp; chondrogenesis inhibitor) and growth differentiation factor-10 (Gdf10/Bmp3b) were induced by RA and BMS-189961. Real-time PCR was done to validate our results and whole mount in situ hybridizations against Mgp and Gdf10 localized their upregulation to areas of cartilage and programmed cell death, respectively. Thus, our results illustrate the importance of RARgamma in mediating the retinoid-induced upregulation of Mgp and Gdf10; determining their roles in chondrogenesis and cell death will help further unravel mechanisms underlying retinoid teratogenicity.
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Affiliation(s)
- Eugene Galdones
- Department of Pharmacology and Therapeutics, McGill University, Montréal, Québec, Canada
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Stoikos CJ, Harrison CA, Salamonsen LA, Dimitriadis E. A distinct cohort of the TGFbeta superfamily members expressed in human endometrium regulate decidualization. Hum Reprod 2008; 23:1447-56. [PMID: 18434375 PMCID: PMC2387221 DOI: 10.1093/humrep/den110] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Successful blastocyst implantation requires the differentiation of human endometrial stromal cells (HESC), a process known as decidualization. Activin A, a transforming growth factor beta (TGFbeta) superfamily member, enhances HESC decidualization and localizes to decidual cells in human endometrium. Other TGFbeta superfamily members, including BMP2, BMP4, BMP7, GDF5, GDF8, GDF11, TGFbetas and Nodal, may also play a role during decidualization. This study aimed to identify these TGFbeta family members in human endometrium, and to determine whether they are involved in human decidualization. METHODS Protein localization of TGFbeta family members was examined in secretory phase human endometrium and first trimester decidua by immunohistochemistry. mRNA expression was examined in HESC. Activin inhibitors (Activin-M108A/SB431542) with differing specificities for the other TGFbeta members under consideration were applied during HESC decidualization in vitro. The secretion levels of potential TGFbeta superfamily members were measured during decidualization, and recombinant proteins added to examine their effect. RESULTS This study has identified BMP2, BMP4, BMP7, GDF5, GDF8 and GDF11 but not Nodal in secretory phase human endometrium, but only BMP2, GDF5 and TGFbeta1 protein were detected in decidual cells. All ligands except Nodal were expressed by cultured HESC. Both inhibitors significantly reduced decidualization validating the role of activin, but potentially also other TGFbeta members, during decidualization. BMP2 and TGFbeta1 secretion increased during HESC decidualisation and exogenous administration of these proteins significantly enhanced decidualization in vitro. CONCLUSIONS Like activin, BMP2 and TGFbeta1 are likely to be involved in HESC decidualization. This is the first study to identify and localize BMP4, BMP7, GDF5, GDF8 and GDF11 in secretory phase human endometrium. Understanding the factors critical for the implantation process is needed for improving fertility and pregnancy outcomes.
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Affiliation(s)
- Chelsea J Stoikos
- Prince Henry's Institute of Medical Research, PO Box 5152, Clayton, Victoria 3168, Australia.
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Chen HL, Panchision DM. Concise Review: Bone Morphogenetic Protein Pleiotropism in Neural Stem Cells and Their Derivatives-Alternative Pathways, Convergent Signals. Stem Cells 2006; 25:63-8. [PMID: 16973830 DOI: 10.1634/stemcells.2006-0339] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Bone morphogenetic proteins (BMPs) are a class of morphogens that are critical regulators of the central nervous system (CNS), peripheral nervous system, and craniofacial development. Modulation of BMP signaling also appears to be an important component of the postnatal stem cell niche. However, describing a comprehensive model of BMP actions is complicated by their paradoxical effects in precursor cells, which include dorsal specification, promoting proliferation or mitotic arrest, cell survival or death, and neuronal or glial fate. In addition, in postmitotic neurons BMPs can promote dendritic growth, act as axonal chemorepellants, and stabilize synapses. Although many of these responses depend on interactions with other incoming signals, some reflect the recruitment of distinct BMP signal transduction pathways. In this review, we classify the diverse effects of BMPs on neural cells, focus on the known mechanisms that specify distinct responses, and discuss the remaining challenges in identifying the cellular basis of BMP pleiotropism. Addressing these issues may have importance for stem cell mobilization, differentiation, and cell integration/survival in reparative therapies.
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Affiliation(s)
- Hui-Ling Chen
- Center for Neuroscience Research, Children's National Medical Center, Washington, DC 20010, USA
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Jones RL, Stoikos C, Findlay JK, Salamonsen LA. TGF-β superfamily expression and actions in the endometrium and placenta. Reproduction 2006; 132:217-32. [PMID: 16885531 DOI: 10.1530/rep.1.01076] [Citation(s) in RCA: 306] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Transforming growth factor β (TGFβ) superfamily members are closely associated with tissue remodelling events and reproductive processes. This review summarises the current state of knowledge regarding the expression and actions of TGFβ superfamily members in the uterus, during the menstrual cycle and establishment of pregnancy. TGFβs and activin β subunits are abundantly expressed in the endometrium, where roles in preparation events for implantation have been delineated, particularly in promoting decidualisation of endometrial stroma. These growth factors are also expressed by epithelial glands and secreted into uterine fluid, where interactions with preimplantation embryos are anticipated. Knockout models and embryo culture experiments implicate activins, TGFβs, nodal and bone morphogenetic proteins (BMPs) in promoting pre- and post-implantation embryo development. TGFβ superfamily members may therefore be important in the maternal support of embryo development. Following implantation, invasion of the decidua by fetal trophoblasts is tightly modulated. Activin promotes, whilst TGFβ and macrophage inhibitory cytokine-1 (MIC-1) inhibit, trophoblast migration in vitro, suggesting the relative balance of TGFβ superfamily members participate in modulating the extent of decidual invasion. Activins and TGFβs have similar opposing actions in regulating placental hormone production. Inhibins and activins are produced by the placenta throughout pregnancy, and have explored as a potential markers in maternal serum for pregnancy and placental pathologies, including miscarriage, Down’s syndrome and pre-eclampsia. Finally, additional roles in immunomodulation at the materno-fetal interface, and in endometrial inflammatory events associated with menstruation and repair, are discussed.
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Affiliation(s)
- Rebecca L Jones
- Prince Henry's Institute of Medical Research, PO Box 5152, Clayton, VIC 3166, Australia.
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Rahman MA, Li M, Li P, Wang H, Dey SK, Das SK. Hoxa-10 deficiency alters region-specific gene expression and perturbs differentiation of natural killer cells during decidualization. Dev Biol 2005; 290:105-17. [PMID: 16337623 PMCID: PMC4265803 DOI: 10.1016/j.ydbio.2005.11.016] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2005] [Revised: 11/07/2005] [Accepted: 11/09/2005] [Indexed: 12/01/2022]
Abstract
Uterine decidualization, a key event for successful implantation, is critically controlled by stromal cell proliferation and differentiation. One hallmark event of decidualization is the acquisition of stromal cell polyploidy through terminal differentiation at the anti-mesometrial pole of the implantation site. Hoxa-10, a developmentally regulated homeobox transcription factor, is highly expressed in decidualizing stromal cells, and targeted deletion of Hoxa-10 in mice shows severe decidualization defects, primarily due to reduced stromal cell responsiveness to progesterone. However, the underlying molecular mechanism by which Hoxa-10 regulates this process remains largely unknown. Here, we show that Hoxa-10 deficiency confers diminished core cell cycle activity during stromal cell proliferation without disturbing polyploidy, suggesting that these events depend on local regulators that impact cell cycle machinery. To further address this question, we compared global gene expression profiles in uteri of wild-type and Hoxa-10(-/-) mice after inducing decidualization. Our studies show two major aspects of decidualization downstream of Hoxa-10. First, Hoxa-10 deficiency results in the aberrant region-specific expression of cyclin-dependent kinase-4 (cdk4) and -6 (cdk6), growth differentiation factor 10 (Gdf10), hepatocyte growth factor (Hgf) and Snail2. Second, Hoxa-10 deficiency compromises natural killer (NK) cell differentiation without altering trafficking of NK precursor cells during decidualization. Collectively, the results provide evidence that Hoxa-10 influences a host of genes and cell functions necessary for propagating normal decidual development during the post-implantation period.
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Affiliation(s)
- Mohammad A. Rahman
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Cancer Biology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Meiling Li
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Cancer Biology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Ping Li
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Cancer Biology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Haibin Wang
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Cell and Developmental Biology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Sudhansu K. Dey
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Cell and Developmental Biology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Sanjoy K. Das
- Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Cancer Biology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Corresponding author. Division of Reproductive and Developmental Biology, D-4105 Medical Center North, Department of Pediatrics, Vanderbilt University Medical Center, 1161 21st Avenue South, Nashville, TN 37232-2678, USA. Fax: +1 615 322 8397. (S.K. Das)
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Gamer LW, Nove J, Levin M, Rosen V. BMP-3 is a novel inhibitor of both activin and BMP-4 signaling in Xenopus embryos. Dev Biol 2005; 285:156-68. [PMID: 16054124 DOI: 10.1016/j.ydbio.2005.06.012] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2004] [Revised: 06/09/2005] [Accepted: 06/13/2005] [Indexed: 10/25/2022]
Abstract
In Xenopus, the biological effects of BMP-3 oppose those of ventralizing BMPs, but the mechanism for this antagonism remains unclear. Here, we demonstrate that BMP-3 is a dorso-anteriorizing factor in Xenopus embryos that interferes with both activin and BMP signaling. BMP-3 acts by binding to ActRIIB, the common type II receptor for these proteins. Once BMP-3 binds to ActRIIB, it cannot be competed off by excess ligand making a receptor complex that is unable to activate R-Smads and transduce signal. Consistent with a model where BMP-3 interferes with activin and BMPs through a shared receptor, we show that overexpression of BMP-3 can only be rescued by co-injection of xActRIIB. Our results identify BMP-3 as a novel antagonist of both activin and BMPs and uncover how some of the diverse developmental processes that are regulated by both activin and BMP signaling can be modulated during embryogenesis.
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Affiliation(s)
- Laura W Gamer
- Department of Oral and Developmental Biology, Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA.
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Abstract
Genetically engineered mice are being used increasingly for delineating the molecular mechanisms of prostate cancer development. Epithelium-stroma interactions play a critical role in prostate development and tumorigenesis. To better understand gene expression patterns in the normal sexually mature mouse prostate, epithelium and stroma were laser-capture microdissected from ventral, dorsolateral, and anterior prostate lobes. Genome-wide expression was measured by DNA microarrays. Our analysis indicated that the gene expression pattern in the mouse dorsolateral lobe was closest to that of the human prostate peripheral zone, supporting the hypothesis that these prostate compartments are functionally equivalent. Stroma from a given lobe had closer gene expression patterns with stroma from other lobes than epithelium from the same lobe. Stroma appeared to have higher expression complexity than epithelium. Specifically, stromal cells had higher expression levels of genes implicated in cell adhesion, muscle development, and contraction, in structural constituents of cytoskeleton and actin binding, and in components such as sarcomere and extracellular matrix collagen. Among the genes that were enriched in the epithelium were secretory proteins, including seminal vesicle protein secretion 2 and 5. Surprisingly, prostate stroma expressed many osteogenic molecules, as confirmed by immunohistochemistry. A "bone-like" environment in the prostate may predispose prostate cells for survival in the bone. Chemokine Cxcl12 but not its receptor, Cxcr4, was expressed in normal prostate. In prostate tumors, interestingly, Cxcl12 was up-regulated in epithelial cells with a concomitant expression of Cxcr4. Expression of both the receptor and ligand may provide an autocrine mechanism for tumor cell migration and invasion.
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Affiliation(s)
- Isabelle M Berquin
- Department of Cancer Biology, Wake Forest University Health Sciences, Winston-Salem, North Carolina 27157, USA
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Rong Y, Wang T, Morgan JI. Identification of candidate Purkinje cell-specific markers by gene expression profiling in wild-type and pcd(3J) mice. ACTA ACUST UNITED AC 2005; 132:128-45. [PMID: 15582153 DOI: 10.1016/j.molbrainres.2004.10.015] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/07/2004] [Indexed: 10/26/2022]
Abstract
The identification of mRNAs that have restricted expression patterns in the brain represents powerful tools with which to characterize and manipulate the nervous system. Here, we describe a strategy using microarray technology (Affymetrix Mouse Genome 430 2.0 Arrays) to identify mRNA transcripts that are candidate markers of cerebellar Purkinje neurons. Initially, gene expression profiles were compared between cerebella of 4-month-old Purkinje cell degeneration (pcd(3J)) mice, in which most Purkinje cells had already degenerated and wild-type littermates with a normal complement of Purkinje neurons. Of 14,563 probe sets expressed in wild-type cerebellum, 797 showed a significant (p<0.0001) reduction in pcd(3J) mice. These probes could represent transcripts with varying levels of specificity for Purkinje cells as well as transcripts in other cell types that decline as a secondary consequence of Purkinje cell loss. Ranking of the probe signals revealed that well-known Purkinje cell-specific transcripts such as calbindin and L7/pcp2 clustered in a group that was <33% of wild-type levels. Therefore, to identify potentially new Purkinje cell-specific transcripts that cluster with the known markers, more stringent selection criteria were applied (<33% of wild-type signal and p<0.0001). With these criteria, 55 independent transcripts were identified of which 33 were annotated genes and 22 were ESTs and RIKEN cDNAs. A literature search revealed that 25 of the 33 annotated genes were expressed in Purkinje cells, with no data being available on the other 8. Thus, the additional 8 annotated and 22 un-annotated genes are clustered with many genes expressed in Purkinje cells making them candidate markers. To confirm the microarray data, eight representative annotated genes were selected including five reported to be in Purkinje neurons and three for which no data was available. Semi-quantitative RT-PCR demonstrated reduced expression of all eight transcripts in cerebella from pcd(3J) mice. The promoters of genes expressed selectively in subsets of neurons can be used to direct heterologous gene expression in transgenic mice and the more restricted the expression pattern the greater their utility. Therefore, microarray analysis was used to assess expression levels of all 55 transcripts in cerebral cortex, striatum, substantia nigra and ventral tegmental area. This permitted the identification of a set of genes whose promoters might have utility for selectively targeting gene expression to cerebellar Purkinje cells.
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Affiliation(s)
- Yongqi Rong
- Department of Developmental Neurobiology, St. Jude Children's Research Hospital, 332 N. Lauderdale Street, Memphis, TN 38105, United States
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Dudas M, Kaartinen V. Tgf-beta superfamily and mouse craniofacial development: interplay of morphogenetic proteins and receptor signaling controls normal formation of the face. Curr Top Dev Biol 2005; 66:65-133. [PMID: 15797452 DOI: 10.1016/s0070-2153(05)66003-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Marek Dudas
- Developmental Biology Program at the Saban Research Institute of Children's Hospital Los Angeles, Los Angeles, California 90027, USA
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46
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Harvey BK, Hoffer BJ, Wang Y. Stroke and TGF-beta proteins: glial cell line-derived neurotrophic factor and bone morphogenetic protein. Pharmacol Ther 2004; 105:113-25. [PMID: 15670622 DOI: 10.1016/j.pharmthera.2004.09.003] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2004] [Accepted: 09/24/2004] [Indexed: 10/26/2022]
Abstract
Recent studies have indicated that proteins in the transforming growth factor-beta superfamily alter damage induced by various neuronal injuries. Of these proteins, glial cell line-derived neurotrophic factor (GDNF) and bone morphogenetic protein-7 (BMP-7) have unique protective and regenerative effects in stroke animals. Delivery of GDNF or BMP-7 to brain tissue reduced cerebral infarction and improved motor functions in stroke animals. Pretreatment with these factors reduced caspase-3 activity and DNA fragmentation in the ischemic brain region, suggesting that antiapoptotic effects are involved. Beside the protective effects, BMP-7 given after stroke improves locomotor function. These regenerative effects of BMP-7 may involve the enhancement of dendritic growth and remodeling. In this review, we illustrate the neuroprotective and neuroregenerative properties of GDNF and BMP-7 and emphasize their therapeutic potential for stroke.
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Affiliation(s)
- Brandon K Harvey
- Neural Protection and Regeneration Section, Molecular Neuropsychiatry Branch, National Institute on Drug Abuse, NIH, Baltimore, MD 21124, USA
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O'Keeffe GW, Dockery P, Sullivan AM. Effects of growth/differentiation factor 5 on the survival and morphology of embryonic rat midbrain dopaminergic neurones in vitro. ACTA ACUST UNITED AC 2004; 33:479-88. [PMID: 15906156 DOI: 10.1007/s11068-004-0511-y] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2004] [Revised: 08/11/2004] [Accepted: 08/18/2004] [Indexed: 12/24/2022]
Abstract
Growth/differentiation factor 5 (GDF5) is a member of the transforming growth factor-beta superfamily that is expressed in the developing CNS, including the ventral mesencephalon (VM). GDF5 has been shown to increase the survival of dopaminergic neurones in animal models of Parkinson's disease. This study was aimed at characterising the effects of GDF5 on dopaminergic neurones in vitro. Treatment with GDF5 induced a three-fold increase in the number of dopaminergic neurones in embryonic day 14 rat VM cultures after six days in vitro. A significant increase was also observed in the numbers of astrocytes in GDF5-treated cultures. GDF5 treatment also had significant effects on the morphology of dopaminergic neurones in these cultures; total neurite length, number of branch points and somal area were all significantly increased after six days in vitro. Analysis of neurite length and numbers of branch points at each level of the neuritic field revealed that the most pronounced effects of GDF5 were on the secondary and tertiary levels of the neuritic field. The specific type I receptor for GDF5, bone morphogenetic protein receptor (BMPR)-Ib, was found to be strongly expressed in freshly-dissected E14 VM tissue, but its expression was lost with increasing time in culture. Accordingly, treatment with GDF5 for 24 h from the time of plating induced increases in the numbers of dopaminergic neurones, while treatment with GDF5 for 24 h after six days in vitro did not. This study shows that GDF5 can promote both the survival and morphological differentiation of VM dopaminergic neurones in vitro, lending support to its potential as a candidate dopaminergic neurotrophin for use in the treatment of Parkinson's disease.
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Affiliation(s)
- Gerard W O'Keeffe
- Department of Neuroscience/Anatomy, Biosciences Research Institute, National University of Ireland Cork (NUIC), Cork, Ireland
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48
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O'Keeffe GW, Hanke M, Pohl J, Sullivan AM. Expression of growth differentiation factor-5 in the developing and adult rat brain. BRAIN RESEARCH. DEVELOPMENTAL BRAIN RESEARCH 2004; 151:199-202. [PMID: 15246706 DOI: 10.1016/j.devbrainres.2004.04.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/10/2004] [Indexed: 10/26/2022]
Abstract
Expression of the dopaminergic neurotrophin GDF-5 in developing rat ventral mesencephalon (VM) was found to begin at embryonic day (E) 12 and peak on E14, when dopaminergic neurones undergo terminal differentiation. In the adult rat, GDF-5 was found to be restricted to heart and brain, being expressed in many areas of the brain, including striatum and midbrain. This indicates a role for GDF-5 in the development and maintenance of dopaminergic neurones.
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Affiliation(s)
- Gerard W O'Keeffe
- Department of Neuroscience/Anatomy, Biosciences Research Institute, National University of Ireland Cork, College Road, Cork, Ireland
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49
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Gold DA, Baek SH, Schork NJ, Rose DW, Larsen DD, Sachs BD, Rosenfeld MG, Hamilton BA. RORalpha coordinates reciprocal signaling in cerebellar development through sonic hedgehog and calcium-dependent pathways. Neuron 2003; 40:1119-31. [PMID: 14687547 PMCID: PMC2717708 DOI: 10.1016/s0896-6273(03)00769-4] [Citation(s) in RCA: 129] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The cerebellum provides an excellent system for understanding how afferent and target neurons coordinate sequential intercellular signals and cell-autonomous genetic programs in development. Mutations in the orphan nuclear receptor RORalpha block Purkinje cell differentiation with a secondary loss of afferent granule cells. We show that early transcriptional targets of RORalpha include both mitogenic signals for afferent progenitors and signal transduction genes required to process their subsequent synaptic input. RORalpha acts through recruitment of gene-specific sets of transcriptional cofactors, including beta-catenin, p300, and Tip60, but appears independent of CBP. One target promoter is Sonic hedgehog, and recombinant Sonic hedgehog restores granule precursor proliferation in RORalpha-deficient cerebellum. Our results suggest a link between RORalpha and beta-catenin pathways, confirm that a nuclear receptor employs distinct coactivator complexes at different target genes, and provide a logic for early RORalpha expression in coordinating expression of genes required for reciprocal signals in cerebellar development.
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Affiliation(s)
- David A. Gold
- Biomedical Sciences Graduate Program, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
| | - Sung Hee Baek
- Howard Hughes Medical Institute, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
| | - Nicholas J. Schork
- Department of Psychiatry, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
| | - David W. Rose
- Department of Medicine, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
| | - DeLaine D. Larsen
- Neurosciences Graduate Program, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
| | - Benjamin D. Sachs
- Biomedical Sciences Graduate Program, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
| | - Michael G. Rosenfeld
- Howard Hughes Medical Institute, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
- Department of Medicine, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
| | - Bruce A. Hamilton
- Department of Medicine, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
- Department of Cellular and Molecular Medicine, UCSD School of Medicine, 9500 Gilman Drive, La Jolla, CA 92093-0644
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50
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Hino J, Nishimatsu SI, Nagai T, Matsuo H, Kangawa K, Nohno T. Coordination of BMP-3b and cerberus is required for head formation of Xenopus embryos. Dev Biol 2003; 260:138-57. [PMID: 12885561 DOI: 10.1016/s0012-1606(03)00223-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Bone morphogenetic proteins (BMPs) and their antagonists are involved in the axial patterning of vertebrate embryos. We report that both BMP-3b and BMP-3 dorsalize Xenopus embryos, but act as dissimilar antagonists within the BMP family. BMP-3b injected into Xenopus embryos triggered secondary head formation in an autonomous manner, whereas BMP-3 induced aberrant tail formation. At the molecular level, BMP-3b antagonized nodal-like proteins and ventralizing BMPs, whereas BMP-3 antagonized only the latter. These differences are due to divergence of their pro-domains. Less BMP-3b than BMP-3 precursor is proteolytically processed in embryos. BMP-3b protein associated with a monomeric form of Xnrl, a nodal-like protein, whereas BMP-3 did not. These molecular features are consistent with their expression profiles during Xenopus development. XBMP-3b is expressed in the prechordal plate, while xBMP-3 is expressed in the notochord. Using antisense morpholino oligonucleotides, we found that the depletion of both xBMP-3b and cerberus, a head inducer, caused headless Xenopus embryos, whereas the depletion of both xBMP-3 and cerberus affected the size of the somite. These results revealed that xBMP-3b and cerberus are essential for head formation regulated by the Spemann organizer, and that xBMP-3b and perhaps xBMP-3 are involved in the axial patterning of Xenopus embryos.
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Affiliation(s)
- Jun Hino
- Department of Biochemistry, National Cardiovascular Center Research Institute, Suita, Osaka 565-8565, Japan
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