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Tsadaris SA, Komatsu DE, Grubisic V, Ramos RL, Hadjiargyrou M. A GCaMP reporter mouse with chondrocyte specific expression of a green fluorescent calcium indicator. Bone 2024; 188:117234. [PMID: 39147354 PMCID: PMC11392458 DOI: 10.1016/j.bone.2024.117234] [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: 07/08/2024] [Revised: 08/08/2024] [Accepted: 08/11/2024] [Indexed: 08/17/2024]
Abstract
One of the major processes occurring during the healing of a fractured long bone is chondrogenesis, leading to the formation of the soft callus, which subsequently undergoes endochondral ossification and ultimately bridges the fracture site. Thus, understanding the molecular mechanisms of chondrogenesis can enhance our knowledge of the fracture repair process. One such molecular process is calciun (Ca++) signaling, which is known to play a critical role in the development and regeneration of multiple tissues, including bone, in response to external stimuli. Despite the existence of various mouse models for studying Ca++ signaling, none of them were designed to specifically examine the skeletal system or the various musculoskeletal cell types. As such, we generated a genetically engineered mouse model that is specific to cartilage (crossed with Col2a1 Cre mice) to study chondrocytes. Herein, we report on the characterization of this transgenic mouse line using conditional expression of GCaMP6f, a Ca++-indicator protein. Specifically, this mouse line exhibits increased GCaMP6f fluorescence following Ca++ binding in chondrocytes. Using this model, we show real-time Ca++ signaling in embryos, newborn and adult mice, as well as in fracture calluses. Further, robust expression of GCaMP6f in chondrocytes can be easily detected in embryos, neonates, adults, and fracture callus tissue sections. Finally, we also report on Ca++ signaling pathway gene expression, as well as real-time Ca++ transient measurements in fracture callus chondrocytes. Taken together, these mice provide a new experimental tool to study chondrocyte-specific Ca++ signaling during skeletal development and regeneration, as well as various in vitro perturbations.
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Affiliation(s)
- Sotirios A Tsadaris
- Department of Biological & Chemical Sciences, New York Institute of Technology, Old Westbury, NY, USA
| | - David E Komatsu
- Department of Orthopaedics and Rehabilitation, Stony Brook University, Stony Brook, NY, USA
| | - Vladimir Grubisic
- Department of Biomedical Sciences, College of Osteopathic Medicine, New York Institute of Technology, USA; Center for Biomedical Innovation, College of Osteopathic Medicine, New York Institute of Technology, USA
| | - Raddy L Ramos
- Department of Biomedical Sciences, College of Osteopathic Medicine, New York Institute of Technology, USA
| | - Michael Hadjiargyrou
- Department of Biological & Chemical Sciences, New York Institute of Technology, Old Westbury, NY, USA.
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Hadjiargyrou M, Kotsiopriftis M, Lauzier D, Hamdy RC, Kloen P. Activation of Wnt signaling in human fracture callus and nonunion tissues. Bone Rep 2024; 22:101780. [PMID: 39005846 PMCID: PMC11245924 DOI: 10.1016/j.bonr.2024.101780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 06/07/2024] [Accepted: 06/18/2024] [Indexed: 07/16/2024] Open
Abstract
The Wnt signaling pathway is a key molecular process during fracture repair. Although much of what we now know about the role of this pathway in bone is derived from in vitro and animal studies, the same cannot be said about humans. As such, we hypothesized that Wnt signaling will also be a key process in humans during physiological fracture healing as well as in the development of a nonunion (hypertrophic and oligotrophic). We further hypothesized that the expression of Wnt-signaling pathway genes/proteins would exhibit a differential expression pattern between physiological fracture callus and the pathological nonunion tissues. We tested these two hypotheses by examining the mRNA levels of key Wnt-signaling related genes: ligands (WNT4, WNT10a), receptors (FZD4, LRP5, LRP6), inhibitors (DKK1, SOST) and modulators (CTNNB1 and PORCN). RNA sequencing from calluses as well as from the two nonunion tissue types, revealed that all of these genes were expressed at about the same level in these three tissue types. Further, spatial expression experiments identified the cells responsible of producing these proteins. Robust expression was detected in osteoblasts for the majority of these genes except SOST which displayed low expression, but in contrast, was mostly detected in osteocytes. Many of these genes were also expressed by callus chondrocytes as well. Taken together, these results confirm that Wnt signaling is indeed active during both human physiological fracture healing as well as in pathological nonunions.
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Affiliation(s)
- Michael Hadjiargyrou
- Department of Biological & Chemical Sciences, New York Institute of Technology, Old Westbury, NY 11568, USA
| | - Maria Kotsiopriftis
- Division of Orthopaedic Surgery, Shriners Hospital for Children, Montreal Children Hospital, McGill University, Montreal, QC H4A 0A9, Canada
| | - Dominique Lauzier
- Division of Orthopaedic Surgery, Shriners Hospital for Children, Montreal Children Hospital, McGill University, Montreal, QC H4A 0A9, Canada
| | - Reggie C Hamdy
- Division of Orthopaedic Surgery, Shriners Hospital for Children, Montreal Children Hospital, McGill University, Montreal, QC H4A 0A9, Canada
| | - Peter Kloen
- Department of Orthopedic Surgery and Sports Medicine, Amsterdam UMC, location Meibergdreef 9, Amsterdam, the Netherlands
- Amsterdam Movement Sciences, (Tissue Function and Regeneration), Amsterdam, the Netherlands
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Kim CJ, Hadjiargyrou M. Mustn1 in Skeletal Muscle: A Novel Regulator? Genes (Basel) 2024; 15:829. [PMID: 39062608 PMCID: PMC11276411 DOI: 10.3390/genes15070829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2024] [Revised: 06/18/2024] [Accepted: 06/20/2024] [Indexed: 07/28/2024] Open
Abstract
Skeletal muscle is a complex organ essential for locomotion, posture, and metabolic health. This review explores our current knowledge of Mustn1, particularly in the development and function of skeletal muscle. Mustn1 expression originates from Pax7-positive satellite cells in skeletal muscle, peaks during around the third postnatal month, and is crucial for muscle fiber differentiation, fusion, growth, and regeneration. Clinically, Mustn1 expression is potentially linked to muscle-wasting conditions such as muscular dystrophies. Studies have illustrated that Mustn1 responds dynamically to injury and exercise. Notably, ablation of Mustn1 in skeletal muscle affects a broad spectrum of physiological aspects, including glucose metabolism, grip strength, gait, peak contractile strength, and myofiber composition. This review summarizes our current knowledge of Mustn1's role in skeletal muscle and proposes future research directions, with a goal of elucidating the molecular function of this regulatory gene.
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Affiliation(s)
- Charles J. Kim
- College of Osteopathic Medicine, New York Institute of Technology, Old Westbury, NY 11568, USA;
- Department of Biological and Chemical Sciences, New York Institute of Technology, Old Westbury, NY 11568, USA
| | - Michael Hadjiargyrou
- College of Osteopathic Medicine, New York Institute of Technology, Old Westbury, NY 11568, USA;
- Department of Biological and Chemical Sciences, New York Institute of Technology, Old Westbury, NY 11568, USA
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Kim CJ, Singh C, Kaczmarek M, O'Donnell M, Lee C, DiMagno K, Young MW, Letsou W, Ramos RL, Granatosky MC, Hadjiargyrou M. Mustn1 ablation in skeletal muscle results in functional alterations. FASEB Bioadv 2023; 5:541-557. [PMID: 38094159 PMCID: PMC10714068 DOI: 10.1096/fba.2023-00082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 02/01/2024] Open
Abstract
Mustn1, a gene expressed exclusively in the musculoskeletal system, was shown in previous in vitro studies to be a key regulator of myogenic differentiation and myofusion. Other studies also showed Mustn1 expression associated with skeletal muscle development and hypertrophy. However, its specific role in skeletal muscle function remains unclear. This study sought to investigate the effects of Mustn1 in a conditional knockout (KO) mouse model in Pax7 positive skeletal muscle satellite cells. Specifically, we investigated the potential effects of Mustn1 on myogenic gene expression, grip strength, alterations in gait, ex vivo investigations of isolated skeletal muscle isometric contractions, and potential changes in the composition of muscle fiber types. Results indicate that Mustn1 KO mice did not present any substantial phenotypic changes or significant variations in genes related to myogenic differentiation and fusion. However, an approximately 10% decrease in overall grip strength was observed in the 2-month-old KO mice in comparison to the control wild type (WT), but this decrease was not significant when normalized by weight. KO mice also generated approximately 8% higher vertical force than WT at 4 months in the hindlimb. Ex vivo experiments revealed decreases in about 20 to 50% in skeletal muscle contractions and about 10%-20% fatigue in soleus of both 2- and 4-month-old KO mice, respectively. Lastly, immunofluorescent analyses showed a persistent increase of Type IIb fibers up to 15-fold in the KO mice while Type I fibers decreased about 20% and 30% at both 2 and 4 months, respectively. These findings suggest a potential adaptive or compensatory mechanism following Mustn1 loss, as well as hinting at an association between Mustn1 and muscle fiber typing. Collectively, Mustn1's complex roles in skeletal muscle physiology requires further research, particularly in terms of understanding the potential role of Mustn1 in muscle repair and regeneration, as well as with influence of exercise. Collectively, these will offer valuable insights into Mustn1's key biological functions and regulatory pathways.
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Affiliation(s)
- Charles J. Kim
- College of Osteopathic MedicineNew York Institute of TechnologyOld WestburyNew YorkUSA
- Department of Biological and Chemical SciencesNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - Chanpreet Singh
- College of Osteopathic MedicineNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - Marina Kaczmarek
- College of Osteopathic MedicineNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - Madison O'Donnell
- College of Osteopathic MedicineNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - Christine Lee
- Department of Biological and Chemical SciencesNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - Kevin DiMagno
- College of Osteopathic MedicineNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - Melody W. Young
- Department of Anatomy, College of Osteopathic MedicineNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - William Letsou
- Department of Biological and Chemical SciencesNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - Raddy L. Ramos
- Department of Biomedical Sciences, College of Osteopathic MedicineNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - Michael C. Granatosky
- Department of Anatomy, College of Osteopathic MedicineNew York Institute of TechnologyOld WestburyNew YorkUSA
- Center for Biomedical InnovationNew York Institute of TechnologyOld WestburyNew YorkUSA
| | - Michael Hadjiargyrou
- College of Osteopathic MedicineNew York Institute of TechnologyOld WestburyNew YorkUSA
- Department of Biological and Chemical SciencesNew York Institute of TechnologyOld WestburyNew YorkUSA
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Hadjiargyrou M, Salichos L, Kloen P. Identification of the miRNAome in human fracture callus and nonunion tissues. J Orthop Translat 2023; 39:113-123. [PMID: 36909863 PMCID: PMC9996375 DOI: 10.1016/j.jot.2023.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/09/2023] [Accepted: 01/31/2023] [Indexed: 03/14/2023] Open
Abstract
Background Nonunions remain a challenging post-traumatic complication that often leads to a financial and health burden that affects the patient's quality of life. Despite a wealth of knowledge about fracture repair, especially gene and more recently miRNA expression, much remains unknown about the molecular differences between normal physiological repair (callus tissue) and a nonunion. To probe this lack of knowledge, we embarked on a study that sought to identify and compare the human miRNAome of normal bone to that present in a normal fracture callus and those from two different classic nonunion types, hypertrophic and oligotrophic. Methods Normal bone and callus tissue samples were harvested during revision surgery from patients with physiological fracture repair and nonunions (hypertrophic and oligotrophic) and analyzed using histology. Also, miRNAs were isolated and screened using microarrays followed by bioinformatic analyses, including, differential expression, pathways and biological processes, as well as elucidation of target genes. Results Out of 30,424 mature miRNAs (from 203 organisms) screened via microarrays, 635 (∼2.1%) miRNAs were found to be upregulated and 855 (∼2.8%) downregulated in the fracture callus and nonunion tissues as compared to intact bone. As our tissue samples were derived from humans, we focused on the human miRNAs and out of the 4223 human miRNAs, 86 miRNAs (∼2.0%) were upregulated and 51 (∼1.2%) were downregulated. Although there were similarities between the three experimental samples, we also found specific miRNAs that were unique to individual samples. We further identified the predicted target genes from these differentially expressed miRNAs as well as the relevant biological processes, including specific signaling pathways that are activated in all three experimental samples. Conclusion Collectively, this is the first comprehensive study reporting on the miRNAome of intact bone as compared to fracture callus and nonunion tissues. Further, we identify specific miRNAs involved in normal physiological fracture repair as well as those of nonunions. The translational potential of this article The data generated from this study further increase our molecular understanding of the roles of miRNAs during normal and aberrant fracture repair and this knowledge can be used in the future in the development of miRNA-based therapeutics for skeletal regeneration.
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Affiliation(s)
- Michael Hadjiargyrou
- Department of Biological & Chemical Sciences, New York Institute of Technology, Old Westbury, NY, 11568, USA
| | - Leonidas Salichos
- Department of Biological & Chemical Sciences, New York Institute of Technology, Old Westbury, NY, 11568, USA
| | - Peter Kloen
- Department of Orthopedic Surgery and Sports Medicine, Amsterdam UMC Location Meibergdreef, Amsterdam, the Netherlands
- Amsterdam Movement Sciences, (Tissue Function and Regeneration), Amsterdam, the Netherlands
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Chirokikh AA, Uddin SMZ, Areikat N, Jones R, Duque E, Connor C, Hadjiargyrou M, Thanos PK, Komatsu DE. Combined methylphenidate and fluoxetine treatment in adolescent rats significantly impairs weight gain with minimal effects on skeletal development. Bone 2023; 167:116637. [PMID: 36462772 DOI: 10.1016/j.bone.2022.116637] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 11/28/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022]
Abstract
Methylphenidate (MP) is frequently prescribed to treat Attention-Deficit/Hyperactivity Disorder (ADHD); however, many patients with ADHD experience depression and anxiety. As such, concomitant administration of selective serotonin reuptake inhibitors such as fluoxetine (FLX) is common. Our laboratory and others have shown that MP impairs skeletal development in preclinical and clinical settings, and FLX has also been linked to skeletal deficits. Unfortunately, little is known about the effects of combined MP and FLX treatment on skeletal development. The objective of this study was to investigate the effects of MP and FLX on bone morphology and biomechanical properties in adolescent rats. Four-week-old male Sprague-Dawley rats were randomly divided into the following 4 groups: Water, MP, FLX, and MP + FLX. As body weights in the MP, FLX, and MP + FLX groups were all lower than Water, the data were compared directly and after adjusting to body weight via linear regression. The direct comparison revealed that MP + FLX rats had significantly shorter (~12 %) and narrower femora and tibiae (~10 %) compared to most other groups, along with shorter (26-35 %), disorganized tibial growth plates. MicroCT analyses of the trabecular compartment of the proximal tibia identified reductions of 47 % for TV, 86 % for BV, 74 % for BV/TV, 68 % for Tb.N, 25 % in Tb.Th, and 74 % in vBMD concomitant with increases of 44 % for Tb.Sp for MP + FLX compared to Water. Similar analyses of femoral midshaft cortical bone identified reductions of 29 % for Ct.V, 30 % for Ps.V, 30 % for Ec. V, and 51 % for pMOI, as well as increases of 17 % for Ct.Th and 2 % for TMD for MP + FLX compared to Water. Biomechanically, MP + FLX femora were weaker, as indicated by a reduction in ultimate force (14 %) in MP + FLX compared to Water. The microstructural and biomechanical effects of MP + FLX were eliminated after adjustment for body weight, though the detrimental effects on growth plate morphology remained. We conclude that while the adverse microstructural and biomechanical effects of MP + FLX seen via direct comparison are predominantly attributable to reductions in body weight rather than direct effects on bone, MP and FLX, particularly in combination show detrimental effects on growth plate structure and chondrocyte morphology. These findings warrant further research into the effect of these drugs on weight gain, skeletal development and growth plate morphology, as well as consideration by physicians treating children and adolescents with ADHD.
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Affiliation(s)
- Alexander A Chirokikh
- University of Rochester School of Medicine and Dentistry, Rochester, NY, United States of America
| | - Sardar M Z Uddin
- Department of Orthopaedics and Rehabilitation, Stony Brook University, Stony Brook, NY, United States of America
| | - Nadine Areikat
- Department of Orthopaedics and Rehabilitation, Stony Brook University, Stony Brook, NY, United States of America
| | - Rachel Jones
- Department of Orthopaedics and Rehabilitation, Stony Brook University, Stony Brook, NY, United States of America
| | - Edie Duque
- Department of Orthopaedics and Rehabilitation, Stony Brook University, Stony Brook, NY, United States of America
| | - Carly Connor
- BNNLA -Research Institute on Addictions, Department of Pharmacology and Toxicology SUNY University at Buffalo, Buffalo, NY, United States of America
| | - Michael Hadjiargyrou
- Department of Biological and Chemical Sciences, New York Institute of Technology, Old Westbury, NY, United States of America
| | - Panayotis K Thanos
- BNNLA -Research Institute on Addictions, Department of Pharmacology and Toxicology SUNY University at Buffalo, Buffalo, NY, United States of America
| | - David E Komatsu
- Department of Orthopaedics and Rehabilitation, Stony Brook University, Stony Brook, NY, United States of America.
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Wang Z, Liang W, Li X, Zhang Y, Xu Q, Chen G, Zhang H, Chang G. Characterization and expression of MUSTN1 gene from different duck breeds. Anim Biotechnol 2020; 33:723-730. [DOI: 10.1080/10495398.2020.1828905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Zhixiu Wang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, People's Republic of China
| | - Wenshuang Liang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, People's Republic of China
| | - Xiangxiang Li
- National Engineering Laboratory for Animal Breeding, China Agricultural University, Beijing, People's Republic of China
| | - Yang Zhang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, People's Republic of China
| | - Qi Xu
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, People's Republic of China
| | - Guohong Chen
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, People's Republic of China
| | - Hao Zhang
- National Engineering Laboratory for Animal Breeding, China Agricultural University, Beijing, People's Republic of China
| | - Guobin Chang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province, Yangzhou University, Yangzhou, People's Republic of China
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Liu D, Qin H, Yang J, Yang L, He S, Chen S, Bao Q, Zhao Y, Zong Z. Different effects of Wnt/β-catenin activation and PTH activation in adult and aged male mice metaphyseal fracture healing. BMC Musculoskelet Disord 2020; 21:110. [PMID: 32075627 PMCID: PMC7031971 DOI: 10.1186/s12891-020-3138-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 02/12/2020] [Indexed: 12/25/2022] Open
Abstract
Background Fractures in older men are not uncommon and need to be healed as soon as possible to avoid related complications. Anti-osteoporotic drugs targeting Wnt/β-catenin and PTH (parathyroid hormone) to promote fracture healing have become an important direction in recent years. The study is to observe whether there is a difference in adult and aged situations by activating two signal paths. Methods A single cortical hole with a diameter of 0.6 mm was made in the femoral metaphysis of Catnblox(ex3) mice and wild-type mice. The fracture healing effects of CA (Wnt/β-catenin activation) and PTH (activated by PTH (1–34) injections) were assessed by X-ray and CT imaging on days 7, 14, and 21 after fracture. The mRNA levels of β-catenin, PTH1R(Parathyroid hormone 1 receptor), and RUNX2(Runt-related transcription factor 2) in the fracture defect area were detected using RT-PCR. Angiogenesis and osteoblasts were observed by immunohistochemistry and osteoclasts were observed by TRAP (Tartrate-resistant Acid Phosphatase). Result Adult CA mice and adult PTH mice showed slightly better fracture healing than adult wild-type (WT) mice, but there was no statistical difference. Aged CA mice showed better promotion of angiogenesis and osteoblasts and better fracture healing than aged PTH mice. Conclusion The application of Wnt/β-catenin signaling pathway drugs for fracture healing in elderly patients may bring better early effects than PTH signaling pathway drugs, but the long-term effects need to be observed.
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Affiliation(s)
- Daocheng Liu
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of War Wound Rescue Skills Training, Base of Army Health Service Training, Army Medical University, Chongqing, 400042, China
| | - Hao Qin
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of War Wound Rescue Skills Training, Base of Army Health Service Training, Army Medical University, Chongqing, 400042, China
| | - Jiazhi Yang
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of War Wound Rescue Skills Training, Base of Army Health Service Training, Army Medical University, Chongqing, 400042, China
| | - Lei Yang
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of War Wound Rescue Skills Training, Base of Army Health Service Training, Army Medical University, Chongqing, 400042, China
| | - Sihao He
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of War Wound Rescue Skills Training, Base of Army Health Service Training, Army Medical University, Chongqing, 400042, China
| | - Sixu Chen
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of War Wound Rescue Skills Training, Base of Army Health Service Training, Army Medical University, Chongqing, 400042, China
| | - Quanwei Bao
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of War Wound Rescue Skills Training, Base of Army Health Service Training, Army Medical University, Chongqing, 400042, China
| | - Yufeng Zhao
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of War Wound Rescue Skills Training, Base of Army Health Service Training, Army Medical University, Chongqing, 400042, China
| | - Zhaowen Zong
- State Key Laboratory of Trauma, Burn and Combined Injury, Department of War Wound Rescue Skills Training, Base of Army Health Service Training, Army Medical University, Chongqing, 400042, China.
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Huang H, Scheffler TL, Gerrard DE, Larsen MR, Lametsch R. Quantitative Proteomics and Phosphoproteomics Analysis Revealed Different Regulatory Mechanisms of Halothane and Rendement Napole Genes in Porcine Muscle Metabolism. J Proteome Res 2018; 17:2834-2849. [PMID: 29916714 DOI: 10.1021/acs.jproteome.8b00294] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Pigs with the Halothane (HAL) or Rendement Napole (RN) gene mutations demonstrate abnormal muscle energy metabolism patterns and produce meat with poor quality, classified as pale, soft, and exudative (PSE) meat, but it is not well understood how HAL and RN mutations regulate glucose and energy metabolism in porcine muscle. To investigate the potential signaling pathways and phosphorylation events related to these mutations, muscle samples were collected from four genotypes of pigs, wild type, RN, HAL, and RN-HAL double mutations, and subjected to quantitative proteomic and phosphoproteomic analysis using the TiO2 enrichment strategy. The study led to the identification of 932 proteins from the nonmodified peptide fractions and 1885 phosphoproteins with 9619 phosphorylation sites from the enriched fractions. Among them, 128 proteins at total protein level and 323 phosphosites from 91 phosphoproteins were significantly regulated in mutant genotypes. The quantitative analysis revealed that the RN mutation mainly affected the protein expression abundance in muscle. Specifically, high expression was observed for proteins related to mitochondrial respiratory chain and energy metabolism, thereby enhancing the muscle oxidative capacity. The high content of UDP-glucose pyrophosphorylase 2 (UGP2) in RN mutant animals may contribute to high glycogen storage. However, the HAL mutation mainly contributes to the up-regulation of phosphorylation in proteins related to calcium signaling, muscle contraction, glycogen, glucose, and energy metabolism, and cellular stress. The increased phosphorylation of Ca2+/calmodulin-dependent protein kinase II (CAMK2) in HAL mutation may act as a key regulator in these processes of muscle. Our findings indicate the different regulatory mechanisms of RN and HAL mutations in relation to porcine muscle energy metabolism and meat quality.
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Affiliation(s)
- Honggang Huang
- Department of Biochemistry and Molecular Biology , University of Southern Denmark , DK-5230 Odense M , Denmark.,Department of Food Science, Faculty of Science , University of Copenhagen , DK-1958 Frederiksberg , Denmark.,The Danish Diabetes Academy , 5000 Odense , Denmark.,Arla Foods Ingredients Group P/S , Soenderupvej 26 , 6920 Videbaek , Denmark
| | - Tracy L Scheffler
- Department of Animal Sciences , University of Florida , Gainesville , Florida 32608 , United States
| | - David E Gerrard
- Department of Animal and Poultry Sciences , Virginia Tech , Blacksburg , Virginia 24061 , United States
| | - Martin R Larsen
- Department of Biochemistry and Molecular Biology , University of Southern Denmark , DK-5230 Odense M , Denmark
| | - René Lametsch
- Department of Food Science, Faculty of Science , University of Copenhagen , DK-1958 Frederiksberg , Denmark
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Hadjiargyrou M. Mustn1: A Developmentally Regulated Pan-Musculoskeletal Cell Marker and Regulatory Gene. Int J Mol Sci 2018; 19:ijms19010206. [PMID: 29329193 PMCID: PMC5796155 DOI: 10.3390/ijms19010206] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 12/26/2017] [Accepted: 01/06/2018] [Indexed: 02/07/2023] Open
Abstract
The Mustn1 gene encodes a small nuclear protein (~9.6 kDa) that does not belong to any known family. Its genomic organization consists of three exons interspersed by two introns and it is highly homologous across vertebrate species. Promoter analyses revealed that its expression is regulated by the AP family of transcription factors, especially c-Fos, Fra-2 and JunD. Mustn1 is predominantly expressed in the major tissues of the musculoskeletal system: bone, cartilage, skeletal muscle and tendon. Its expression has been associated with normal embryonic development, postnatal growth, exercise, and regeneration of bone and skeletal muscle. Moreover, its expression has also been detected in various musculoskeletal pathologies, including arthritis, Duchenne muscular dystrophy, other skeletal muscle myopathies, clubfoot and diabetes associated muscle pathology. In vitro and in vivo functional perturbation revealed that Mustn1 is a key regulatory molecule in myogenic and chondrogenic lineages. This comprehensive review summarizes our current knowledge of Mustn1 and proposes that it is a new developmentally regulated pan-musculoskeletal marker as well as a key regulatory protein for cell differentiation and tissue growth.
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Affiliation(s)
- Michael Hadjiargyrou
- Department of Life Sciences, New York Institute of Technology, Old Westbury, NY 11568-8000, USA.
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11
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Suarez-Bregua P, Chien CJ, Megias M, Du S, Rotllant J. Promoter architecture and transcriptional regulation of musculoskeletal embryonic nuclear protein 1b (mustn1b) gene in zebrafish. Dev Dyn 2017; 246:992-1000. [PMID: 28891223 DOI: 10.1002/dvdy.24591] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 08/09/2017] [Accepted: 09/06/2017] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND Mustn1 is a specific musculoskeletal protein that plays a critical role in myogenesis and chondrogenesis in vertebrates. Whole-mount in situ hybridization revealed that mustn1b mRNAs are specifically expressed in skeletal and cardiac muscles in Zebrafish embryos. However, the precise function and the regulatory elements required for its muscle-specific expression are largely unknown. RESULTS The purpose of this study was to explore and uncover the target genomic regions that regulate mustn1b gene expression by in vivo functional characterization of the mustn1b promoter. We report here stable expression analyses of eGFP from fluorescent transgenic reporter Zebrafish line containing a 0.8kb_mustn1b-Tol2-eGFP construct. eGFP expression was specifically found in the skeletal and cardiac muscle tissues. We show that reporter Zebrafish lines generated replicate the endogenous mustn1b expression pattern in early Zebrafish embryos. Specific site directed-mutagenesis analysis revealed that promoter activity resides in two annotated genomic regulatory regions, each one corresponding to a specific functional transcription factor binding site. CONCLUSIONS Our data indicate that mustn1b is specifically expressed in skeletal and cardiac muscle tissues and its muscle specificity is controlled by the 0.2-kb promoter and flanking sequences and in vivo regulated by the action of two sequence-specific families of transcription factors. Developmental Dynamics 246:992-1000, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Chien-Ju Chien
- Department of Molecular and Cellular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Manuel Megias
- Department of Functional Biology and Health Science, University of Vigo, Vigo, Spain
| | - Shaojun Du
- Department of Molecular and Cellular Biology, University of Maryland School of Medicine, Baltimore, Maryland
| | - Josep Rotllant
- Aquatic Molecular Pathobiology Lab, IIM-CSIC, Vigo, Pontevedra, Spain
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12
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Camarata T, Vasilyev A, Hadjiargyrou M. Cloning of zebrafish Mustn1 orthologs and their expression during early development. Gene 2016; 593:235-241. [DOI: 10.1016/j.gene.2016.08.037] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 08/15/2016] [Accepted: 08/22/2016] [Indexed: 10/21/2022]
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13
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Hadjiargyrou M, Zhi J, Komatsu DE. Identification of the microRNA transcriptome during the early phases of mammalian fracture repair. Bone 2016; 87:78-88. [PMID: 27058875 DOI: 10.1016/j.bone.2016.03.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 03/10/2016] [Accepted: 03/22/2016] [Indexed: 10/22/2022]
Abstract
Fracture repair is a complex process that involves multiple biological processes requiring spatiotemporal expression of thousands of genes. The molecular regulation of this process is not completely understood. MicroRNAs (miRNAs) regulate gene expression by promoting mRNA degradation or blocking translation. To identify miRNAs expressed during fracture repair, we generated murine bone fractures and isolated miRNA-enriched RNA from intact and post-fracture day (PFD) 1, 3, 5, 7, 11, and 14 femurs. RNA samples were individually hybridized to mouse miRNA microarrays. Results indicated that 959 (51%) miRNAs were absent while 922 (49%) displayed expression in at least one sample. Of the 922 miRNAs, 306 (33.2%) and 374 (40.6%) were up- and down-regulated, respectively, in the calluses in comparison to intact bone. Additionally, 20 (2.2%) miRNAs displayed combined up- and down-regulated expression within the time course and the remaining 222 (24%) miRNAs did not exhibit any changes between calluses and intact bone. Quantitative-PCR validated the expression of several miRNAs. Further, we identified 2048 and 4782 target genes that were unique to the up- and down-regulated miRNAs, respectively. Gene ontology and pathway enrichment analyses indicated relevant biological processes. These data provide the first complete analysis of the miRNA transcriptome during the early phases of fracture repair.
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Affiliation(s)
- Michael Hadjiargyrou
- Department of Life Sciences, Theobald Science Center, Room 420, New York Institute of Technology, Old Westbury, NY 11568-8000, USA.
| | - Jizu Zhi
- Bioinformatics Core Facility, Stony Brook University, Stony Brook, NY 11794, USA.
| | - David E Komatsu
- Department of Orthopaedics, HSC T18 Room 85, Stony Brook University, Stony Brook, NY 11794-8181, USA.
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14
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Khan S, Greco D, Michailidou K, Milne RL, Muranen TA, Heikkinen T, Aaltonen K, Dennis J, Bolla MK, Liu J, Hall P, Irwanto A, Humphreys K, Li J, Czene K, Chang-Claude J, Hein R, Rudolph A, Seibold P, Flesch-Janys D, Fletcher O, Peto J, dos Santos Silva I, Johnson N, Gibson L, Aitken Z, Hopper JL, Tsimiklis H, Bui M, Makalic E, Schmidt DF, Southey MC, Apicella C, Stone J, Waisfisz Q, Meijers-Heijboer H, Adank MA, van der Luijt RB, Meindl A, Schmutzler RK, Müller-Myhsok B, Lichtner P, Turnbull C, Rahman N, Chanock SJ, Hunter DJ, Cox A, Cross SS, Reed MWR, Schmidt MK, Broeks A, Veer LJVAN, Hogervorst FB, Fasching PA, Schrauder MG, Ekici AB, Beckmann MW, Bojesen SE, Nordestgaard BG, Nielsen SF, Flyger H, Benitez J, Zamora PM, Perez JIA, Haiman CA, Henderson BE, Schumacher F, Le Marchand L, Pharoah PDP, Dunning AM, Shah M, Luben R, Brown J, Couch FJ, Wang X, Vachon C, Olson JE, Lambrechts D, Moisse M, Paridaens R, Christiaens MR, Guénel P, Truong T, Laurent-Puig P, Mulot C, Marme F, Burwinkel B, Schneeweiss A, Sohn C, Sawyer EJ, Tomlinson I, Kerin MJ, Miller N, Andrulis IL, Knight JA, Tchatchou S, Mulligan AM, Dörk T, Bogdanova NV, Antonenkova NN, Anton-Culver H, Darabi H, Eriksson M, Garcia-Closas M, Figueroa J, Lissowska J, Brinton L, Devilee P, Tollenaar RAEM, Seynaeve C, van Asperen CJ, Kristensen VN, Slager S, Toland AE, Ambrosone CB, Yannoukakos D, Lindblom A, Margolin S, Radice P, Peterlongo P, Barile M, Mariani P, Hooning MJ, Martens JWM, Collée JM, Jager A, Jakubowska A, Lubinski J, Jaworska-Bieniek K, Durda K, Giles GG, McLean C, Brauch H, Brüning T, Ko YD, Brenner H, Dieffenbach AK, Arndt V, Stegmaier C, Swerdlow A, Ashworth A, Orr N, Jones M, Simard J, Goldberg MS, Labrèche F, Dumont M, Winqvist R, Pylkäs K, Jukkola-Vuorinen A, Grip M, Kataja V, Kosma VM, Hartikainen JM, Mannermaa A, Hamann U, Chenevix-Trench G, Blomqvist C, Aittomäki K, Easton DF, Nevanlinna H. MicroRNA related polymorphisms and breast cancer risk. PLoS One 2014; 9:e109973. [PMID: 25390939 PMCID: PMC4229095 DOI: 10.1371/journal.pone.0109973] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 09/08/2014] [Indexed: 11/19/2022] Open
Abstract
Genetic variations, such as single nucleotide polymorphisms (SNPs) in microRNAs (miRNA) or in the miRNA binding sites may affect the miRNA dependent gene expression regulation, which has been implicated in various cancers, including breast cancer, and may alter individual susceptibility to cancer. We investigated associations between miRNA related SNPs and breast cancer risk. First we evaluated 2,196 SNPs in a case-control study combining nine genome wide association studies (GWAS). Second, we further investigated 42 SNPs with suggestive evidence for association using 41,785 cases and 41,880 controls from 41 studies included in the Breast Cancer Association Consortium (BCAC). Combining the GWAS and BCAC data within a meta-analysis, we estimated main effects on breast cancer risk as well as risks for estrogen receptor (ER) and age defined subgroups. Five miRNA binding site SNPs associated significantly with breast cancer risk: rs1045494 (odds ratio (OR) 0.92; 95% confidence interval (CI): 0.88-0.96), rs1052532 (OR 0.97; 95% CI: 0.95-0.99), rs10719 (OR 0.97; 95% CI: 0.94-0.99), rs4687554 (OR 0.97; 95% CI: 0.95-0.99, and rs3134615 (OR 1.03; 95% CI: 1.01-1.05) located in the 3' UTR of CASP8, HDDC3, DROSHA, MUSTN1, and MYCL1, respectively. DROSHA belongs to miRNA machinery genes and has a central role in initial miRNA processing. The remaining genes are involved in different molecular functions, including apoptosis and gene expression regulation. Further studies are warranted to elucidate whether the miRNA binding site SNPs are the causative variants for the observed risk effects.
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Affiliation(s)
- Sofia Khan
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Dario Greco
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
- Finnish Institute of Occupational Health, Helsinki, Finland
| | - Kyriaki Michailidou
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Roger L. Milne
- Cancer Epidemiology Centre, Cancer Council Victoria, Melbourne, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Taru A. Muranen
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Tuomas Heikkinen
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Kirsimari Aaltonen
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
- Department of Clinical Genetics, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
- Department of Oncology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Joe Dennis
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Manjeet K. Bolla
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Jianjun Liu
- Human Genetics Division, Genome Institute of Singapore, Singapore, Singapore
| | - Per Hall
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Astrid Irwanto
- Human Genetics Division, Genome Institute of Singapore, Singapore, Singapore
| | - Keith Humphreys
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Jingmei Li
- Human Genetics Division, Genome Institute of Singapore, Singapore, Singapore
| | - Kamila Czene
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Jenny Chang-Claude
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Rebecca Hein
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
- PMV Research Group at the Department of Child and Adolescent Psychiatry and Psychotherapy, University of Cologne, Cologne, Germany
| | - Anja Rudolph
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Petra Seibold
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Dieter Flesch-Janys
- Department of Cancer Epidemiology/Clinical Cancer Registry and Institute for Medical Biometrics and Epidemiology, University Clinic Hamburg-Eppendorf, Hamburg, Germany
| | - Olivia Fletcher
- Breakthrough Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
| | - Julian Peto
- Department of Non-Communicable Disease Epidemiology Department, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Isabel dos Santos Silva
- Department of Non-Communicable Disease Epidemiology Department, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Nichola Johnson
- Breakthrough Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
| | - Lorna Gibson
- Department of Non-Communicable Disease Epidemiology Department, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Zoe Aitken
- Department of Non-Communicable Disease Epidemiology Department, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - John L. Hopper
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Helen Tsimiklis
- Department of Pathology, The University of Melbourne, Melbourne, Australia
| | - Minh Bui
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Enes Makalic
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Daniel F. Schmidt
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Melissa C. Southey
- Department of Pathology, The University of Melbourne, Melbourne, Australia
| | - Carmel Apicella
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Jennifer Stone
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Quinten Waisfisz
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
| | - Hanne Meijers-Heijboer
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
| | - Muriel A. Adank
- Department of Clinical Genetics, VU University Medical Center, Amsterdam, The Netherlands
| | - Rob B. van der Luijt
- Department of Medical Genetics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Alfons Meindl
- Division of Gynaecology and Obstetrics, Technische Universität München, Munich, Germany
| | - Rita K. Schmutzler
- Division of Molecular Gyneco-Oncology, Department of Gynaecology and Obstetrics, University Hospital of Cologne, Cologne, Germany
- Center of Familial Breast and Ovarian Cancer, University Hospital of Cologne, Cologne, Germany
- Center for Integrated Oncology (CIO), University Hospital of Cologne, Cologne, Germany
- Center for Molecular Medicine Cologne (CMMC), University of Cologne, Cologne, Germany
| | | | - Peter Lichtner
- Institute of Human Genetics, Helmholtz Zentrum München, German Research Center for Environmental Health, Neuherberg, Germany
| | - Clare Turnbull
- Section of Cancer Genetics, Institute of Cancer Research, Sutton, United Kingdom
| | - Nazneen Rahman
- Section of Cancer Genetics, Institute of Cancer Research, Sutton, United Kingdom
| | - Stephen J. Chanock
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland, United States of America
| | - David J. Hunter
- Program in Molecular and Genetic Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America
- Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America
| | - Angela Cox
- CRUK/YCR Sheffield Cancer Research Centre, Department of Oncology, University of Sheffield, Sheffield, United Kingdom
| | - Simon S. Cross
- Academic Unit of Pathology, Department of Neuroscience, University of Sheffield, Sheffield, United Kingdom
| | - Malcolm W. R. Reed
- CRUK/YCR Sheffield Cancer Research Centre, Department of Oncology, University of Sheffield, Sheffield, United Kingdom
| | - Marjanka K. Schmidt
- Netherlands Cancer Institute, Antoni van Leeuwenhoek hospital, Amsterdam, The Netherlands
| | - Annegien Broeks
- Netherlands Cancer Institute, Antoni van Leeuwenhoek hospital, Amsterdam, The Netherlands
| | | | - Frans B. Hogervorst
- Netherlands Cancer Institute, Antoni van Leeuwenhoek hospital, Amsterdam, The Netherlands
| | - Peter A. Fasching
- University Breast Center Franconia, Department of Gynecology and Obstetrics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Comprehensive Cancer Cancer Erlangen-EMN, Erlangen, Germany
- David Geffen School of Medicine, Department of Medicine Division of Hematology and Oncology, University of California Los Angeles, California, United States of America
| | - Michael G. Schrauder
- University Breast Center Franconia, Department of Gynecology and Obstetrics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Comprehensive Cancer Cancer Erlangen-EMN, Erlangen, Germany
| | - Arif B. Ekici
- Institute of Human Genetics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Comprehensive Cancer Center Erlangen-EMN, Erlangen, Germany
| | - Matthias W. Beckmann
- University Breast Center Franconia, Department of Gynecology and Obstetrics, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Comprehensive Cancer Cancer Erlangen-EMN, Erlangen, Germany
| | - Stig E. Bojesen
- Copenhagen General Population Study, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark
- Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Børge G. Nordestgaard
- Copenhagen General Population Study, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark
- Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Sune F. Nielsen
- Copenhagen General Population Study, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark
- Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Henrik Flyger
- Department of Breast Surgery, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark
| | - Javier Benitez
- Human Genetics Group, Human Cancer Genetics Program, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
- Centro de Investigación en Red de Enfermedades Raras (CIBERER), Valencia, Spain
| | - Pilar M. Zamora
- Servicio de Oncología Médica, Hospital Universitario La Paz, Madrid, Spain
| | - Jose I. A. Perez
- Servicio de Cirugía General y Especialidades, Hospital Monte Naranco, Oviedo, Spain
| | - Christopher A. Haiman
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Brian E. Henderson
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Fredrick Schumacher
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Loic Le Marchand
- Epidemiology Program, Cancer Research Center, University of Hawaii, Honolulu, Hawaii, United States of America
| | - Paul D. P. Pharoah
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
- Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Cambridge, United Kingdom
| | - Alison M. Dunning
- Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Cambridge, United Kingdom
| | - Mitul Shah
- Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Cambridge, United Kingdom
| | - Robert Luben
- Clinical Gerontology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Judith Brown
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
| | - Fergus J. Couch
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Xianshu Wang
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Celine Vachon
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Janet E. Olson
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Diether Lambrechts
- Vesalius Research Center (VRC), VIB, Leuven, Belgium
- Laboratory for Translational Genetics, Department of Oncology, University of Leuven, Leuven, Belgium
| | - Matthieu Moisse
- Vesalius Research Center (VRC), VIB, Leuven, Belgium
- Laboratory for Translational Genetics, Department of Oncology, University of Leuven, Leuven, Belgium
| | - Robert Paridaens
- Oncology Department, University Hospital Gasthuisberg, Leuven, Belgium
| | | | - Pascal Guénel
- Inserm (National Institute of Health and Medical Research), CESP (Center for Research in Epidemiology and Population Health), U1018, Environmental Epidemiology of Cancer, Villejuif, France
- University Paris-Sud, UMRS 1018, Villejuif, France
| | - Thérèse Truong
- Inserm (National Institute of Health and Medical Research), CESP (Center for Research in Epidemiology and Population Health), U1018, Environmental Epidemiology of Cancer, Villejuif, France
- University Paris-Sud, UMRS 1018, Villejuif, France
| | | | - Claire Mulot
- Université Paris Sorbonne Cité, UMR-S775 Inserm, Paris, France
| | - Frederick Marme
- Department of Obstetrics and Gynecology, University of Heidelberg, Heidelberg, Germany
- National Center for Tumor Diseases, University of Heidelberg, Heidelberg, Germany
| | - Barbara Burwinkel
- Department of Obstetrics and Gynecology, University of Heidelberg, Heidelberg, Germany
- Molecular Epidemiology Group, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Andreas Schneeweiss
- Department of Obstetrics and Gynecology, University of Heidelberg, Heidelberg, Germany
- National Center for Tumor Diseases, University of Heidelberg, Heidelberg, Germany
| | - Christof Sohn
- Department of Obstetrics and Gynecology, University of Heidelberg, Heidelberg, Germany
| | - Elinor J. Sawyer
- Research Oncology, Division of Cancer Studies, King's College London, Guy's Hospital, London, United Kingdom
| | - Ian Tomlinson
- Wellcome Trust Centre for Human Genetics and Oxford Biomedical Research Centre, University of Oxford, Oxford, United Kingdom
| | - Michael J. Kerin
- Clinical Science Institute, University Hospital Galway, Galway, Ireland
| | - Nicola Miller
- Clinical Science Institute, University Hospital Galway, Galway, Ireland
| | - Irene L. Andrulis
- Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, Ontario, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada
| | - Julia A. Knight
- Prosserman Centre for Health Research, Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, Ontario, Canada
- Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | - Sandrine Tchatchou
- Lunenfeld-Tanenbaum Research Institute of Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Anna Marie Mulligan
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
- Department of Laboratory Medicine, and the Keenan Research Centre of the Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada
| | - Thilo Dörk
- Department of Obstetrics and Gynaecology, Hannover Medical School, Hannover, Germany
| | | | | | - Hoda Anton-Culver
- Department of Epidemiology, University of California Irvine, Irvine, California, United States of America
| | - Hatef Darabi
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Mikael Eriksson
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Montserrat Garcia-Closas
- Division of Genetics and Epidemiology, Institute of Cancer Research, Sutton, United Kingdom
- Breakthrough Breast Cancer Research Centre, Division of Breast Cancer Research, The Institute of Cancer Research, London, United Kingdom
| | - Jonine Figueroa
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland, United States of America
| | - Jolanta Lissowska
- Department of Cancer Epidemiology and Prevention, M. Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Warsaw, Poland
| | - Louise Brinton
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland, United States of America
| | - Peter Devilee
- Department of Human Genetics & Department of Pathology, Leiden University Medical Center, Leiden, Netherlands
| | | | - Caroline Seynaeve
- Family Cancer Clinic, Department of Medical Oncology, Erasmus MC-Daniel den Hoed Cancer Center, Rotterdam, Netherlands
| | | | - Vessela N. Kristensen
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Department of Clinical Molecular Biology (EpiGen), University of Oslo, Oslo, Norway
- Department of Genetics, Institute for Cancer Research, Oslo University Hospital, Radiumhospitalet, Oslo, Norway
| | | | | | - Susan Slager
- Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, United States of America
| | - Amanda E. Toland
- Department of Molecular Virology, Immunology and Medical Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, Ohio, United States of America
| | | | - Drakoulis Yannoukakos
- Molecular Diagnostics Laboratory, IRRP, National Centre for Scientific Research "Demokritos", Aghia Paraskevi Attikis, Athens, Greece
| | - Annika Lindblom
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Sara Margolin
- Department of Oncology - Pathology, Karolinska Institutet, Stockholm, Sweden
| | - Paolo Radice
- Unit of Molecular Bases of Genetic Risk and Genetic Testing, Department of Preventive and Predictive Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori (INT), Milan, Italy
| | - Paolo Peterlongo
- IFOM, Fondazione Istituto FIRC di Oncologia Molecolare, Milan, Italy
| | - Monica Barile
- Division of Cancer Prevention and Genetics, Istituto Europeo di Oncologia (IEO), Milan, Italy
| | - Paolo Mariani
- IFOM, Fondazione Istituto FIRC di Oncologia Molecolare, Milan, Italy
- Cogentech Cancer Genetic Test Laboratory, Milan, Italy
| | - Maartje J. Hooning
- Department of Medical Oncology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - John W. M. Martens
- Department of Medical Oncology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - J. Margriet Collée
- Department of Clinical Genetics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Agnes Jager
- Department of Medical Oncology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Anna Jakubowska
- Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Jan Lubinski
- Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Katarzyna Jaworska-Bieniek
- Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
- Postgraduate School of Molecular Medicine, Warsaw Medical University, Warsaw, Poland
| | - Katarzyna Durda
- Department of Genetics and Pathology, Pomeranian Medical University, Szczecin, Poland
| | - Graham G. Giles
- Cancer Epidemiology Centre, Cancer Council Victoria, Melbourne, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Catriona McLean
- Anatomical Pathology, The Alfred Hospital, Melbourne, Australia
| | - Hiltrud Brauch
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology, Stuttgart, Germany
- University of Tübingen, Tübingen, Germany
| | - Thomas Brüning
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr-University Bochum (IPA), Bochum, Germany
| | - Yon-Dschun Ko
- Department of Internal Medicine, Evangelische Kliniken Bonn gGmbH, Johanniter Krankenhaus, Bonn, Germany
| | - The GENICA Network
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology, Stuttgart, Germany
- University of Tübingen, Tübingen, Germany
- Institute for Prevention and Occupational Medicine of the German Social Accident Insurance, Institute of the Ruhr-University Bochum (IPA), Bochum, Germany
- Department of Internal Medicine, Evangelische Kliniken Bonn gGmbH, Johanniter Krankenhaus, Bonn, Germany
- Molecular Genetics of Breast Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Institute for Occupational Medicine and Maritime Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
- Institute of Pathology, Medical Faculty of the University of Bonn, Bonn, Germany
| | - Hermann Brenner
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Aida Karina Dieffenbach
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Volker Arndt
- Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Anthony Swerdlow
- Division of Genetics and Epidemiology and Division of Breast Cancer Research, The Institute of Cancer Research, Sutton, Surrey, United Kingdom
| | - Alan Ashworth
- Breakthrough Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
| | - Nick Orr
- Breakthrough Breast Cancer Research Centre, The Institute of Cancer Research, London, United Kingdom
| | - Michael Jones
- Division of Genetics and Epidemiology, Institute of Cancer Research, Sutton, United Kingdom
| | - Jacques Simard
- Cancer Genomics Laboratory, Centre Hospitalier Universitaire de Québec Research Center and Laval University, Quebec, Canada
| | - Mark S. Goldberg
- Department of Medicine, McGill University, Montreal, Canada
- Division of Clinical Epidemiology, McGill University Health Centre, Royal Victoria Hospital, Montreal, Quebec, Canada
| | - France Labrèche
- Départements de Santé Environnementale et Santé au Travail et de Médecine Sociale et Préventive, Université de Montréal, Montreal, Quebec, Canada
| | - Martine Dumont
- Cancer Genomics Laboratory, Centre Hospitalier Universitaire de Québec Research Center and Laval University, Quebec, Canada
| | - Robert Winqvist
- Laboratory of Cancer Genetics and Tumor Biology, Department of Clinical Chemistry and Biocenter Oulu, University of Oulu, NordLab Oulu/Oulu University Hospital, Oulu, Finland
| | - Katri Pylkäs
- Laboratory of Cancer Genetics and Tumor Biology, Department of Clinical Chemistry and Biocenter Oulu, University of Oulu, NordLab Oulu/Oulu University Hospital, Oulu, Finland
| | | | - Mervi Grip
- Department of Surgery, Oulu University Hospital, University of Oulu, Oulu, Finland
| | - Vesa Kataja
- School of Medicine, Institute of Clinical Medicine, Oncology, University of Eastern Finland, Kuopio, Finland
- Cancer Center, Kuopio University Hospital, Kuopio, Finland
| | - Veli-Matti Kosma
- School of Medicine, Institute of Clinical Medicine, Pathology and Forensic Medicine, University of Eastern Finland, Kuopio, Finland
- Imaging Center, Department of Clinical Pathology, Kuopio University Hospital, Kuopio, Finland
- Cancer Center of Eastern Finland, University of Eastern Finland, Kuopio, Finland
| | - Jaana M. Hartikainen
- School of Medicine, Institute of Clinical Medicine, Pathology and Forensic Medicine, University of Eastern Finland, Kuopio, Finland
- Imaging Center, Department of Clinical Pathology, Kuopio University Hospital, Kuopio, Finland
- Cancer Center of Eastern Finland, University of Eastern Finland, Kuopio, Finland
| | - Arto Mannermaa
- School of Medicine, Institute of Clinical Medicine, Pathology and Forensic Medicine, University of Eastern Finland, Kuopio, Finland
- Imaging Center, Department of Clinical Pathology, Kuopio University Hospital, Kuopio, Finland
- Cancer Center of Eastern Finland, University of Eastern Finland, Kuopio, Finland
| | - Ute Hamann
- Molecular Genetics of Breast Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | - Carl Blomqvist
- Department of Oncology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Kristiina Aittomäki
- Department of Clinical Genetics, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Douglas F. Easton
- Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
- Centre for Cancer Genetic Epidemiology, Department of Oncology, University of Cambridge, Cambridge, United Kingdom
| | - Heli Nevanlinna
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
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Nam KW, Seo DY, Kim MH. Pulsed and Continuous Ultrasound Increase Chondrogenesis through the Increase of Heat Shock Protein 70 Expression in Rat Articular Cartilage. J Phys Ther Sci 2014; 26:647-50. [PMID: 24926124 PMCID: PMC4047224 DOI: 10.1589/jpts.26.647] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 11/25/2013] [Indexed: 12/30/2022] Open
Abstract
[Purpose] The present study was aimed to investigate the effects of pulsed and
continuous ultrasound (US) irradiation on heat shock protein (HSP) 70 and mRNA levels of
chondrogenesis-related gene expression in rat tibial articular cartilage. [Subjects and
Methods] Forty-eight rats with body weights of 200−250 g were randomly divided into three
groups. In the control (CON) group, three rats were treated with sham sonication. The
pulsed US irradiation group was irradiated with a pulse rate of 20%, a frequency of 1 MHz,
and an intensity of 1.5 W/cm2 for 10 minutes. The continuous US irradiation
group was continuously with a frequency of 1 MHz and an intensity of 1.5 W/cm2
for 10 minutes. Immunohistochemistry for evaluation of HSP 70 and RT-PCR for expression of
the chondrogenesis-related mRNA were used. [Results] The expression of HSP70 protein was
increased in the pulsed and continuous US groups. The increase in the continuous US group
was more prominent than in the pulsed US group. In addition, pulsed and continuous US
irradiation increased the expression of Mustn1 and Sox9. [Conclusion] The results of this
study show that US increases chondrogenesis via the increase of HSP 70 and
chondrogenesis-related mRNA expressions in rat articular cartilage.
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Affiliation(s)
- Ki Won Nam
- Department of Physical Therapy, College of Health and Welfare, Dongshin University, Republic of Korea
| | - Dong Yel Seo
- Department of Physical Therapy, Graduate School of Dongshin University, Republic of Korea
| | - Min Hee Kim
- Department of Physical Therapy, College of Health Science, Eulji University, Republic of Korea
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16
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Krause MP, Moradi J, Coleman SK, D'Souza DM, Liu C, Kronenberg MS, Rowe DW, Hawke TJ, Hadjiargyrou M. A novel GFP reporter mouse reveals Mustn1 expression in adult regenerating skeletal muscle, activated satellite cells and differentiating myoblasts. Acta Physiol (Oxf) 2013; 208:180-90. [PMID: 23506283 DOI: 10.1111/apha.12099] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2012] [Revised: 03/08/2013] [Accepted: 03/12/2013] [Indexed: 11/30/2022]
Abstract
AIM Mustn1 has been implicated in myofusion as well as skeletal muscle growth and repair; however, the exact role and spatio-temporal expression of Mustn1 have yet to be fully defined. METHODS Transgenic mice were generated with a 1512-bp sequence of the Mustn1 promoter directing the expression of GFP (Mustn1(PRO) -GFP). These mice were used to investigate the spatio-temporal expression of Mustn1(PRO) -GFP during skeletal muscle development and adult skeletal muscle repair, as well as various phases of the satellite cell lifespan (i.e. quiescence, activation, proliferation, differentiation). RESULTS Mustn1(PRO) -GFP expression was observed within somites at embryonic day 12 and developing skeletal muscles at embryonic day 15 and 18. While uninjured adult tibialis anterior muscle displayed no detectable Mustn1(PRO) -GFP expression, cardiotoxin injury robustly elevated Mustn1(PRO) -GFP expression at 3 days post-injury with decreasing levels observed at 5 days and minimal, focal expression seen at 10 days. The expression of Mustn1(PRO) -GFP at 3 days post-injury consistently overlaid with MyoD although the strongest expression of Mustn1(PRO) -GFP was noted in newly formed myotubes that were expressing minimal levels of MyoD. By 5 days post-injury, Mustn1(PRO) -GFP overlaid in all myotubes expressing myogenin although cells were present expressing Mustn1(PRO) -GFP alone. The expression patterns of Mustn1(PRO) -GFP in regenerating muscle preceded the expression of desmin throughout the regenerative time course consistent with Mustn1 being upstream of this myogenic protein. Further, quiescent satellite cells located on freshly isolated, single myofibers rarely expressed Mustn1(PRO) -GFP, but within 24 h of isolation, all activated satellite cells expressed Mustn1(PRO) -GFP. Expression of Mustn1(PRO) -GFP in primary myoblasts diminished with prolonged time in proliferation media. However, in response to serum withdrawal, the expression of Mustn1(PRO) -GFP increased during myofusion (day 2) followed by declining expression thereafter. CONCLUSION Mustn1(PRO) -GFP is expressed in activated satellite cells and myoblasts but continued time in proliferation media diminished Mustn1(PRO) -GFP expression. However, myoblasts exposed to serum withdrawal increased Mustn1(PRO) -GFP expression consistent with its demonstrated role in myofusion. The in vivo expression pattern of Mustn1 observed in regenerating and developing skeletal muscle is consistent with its presence in satellite cells and its critical role in myofusion.
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Affiliation(s)
- M. P. Krause
- Department of Pathology and Molecular Medicine; McMaster University; Hamilton; Ontario; Canada
| | - J. Moradi
- Department of Pathology and Molecular Medicine; McMaster University; Hamilton; Ontario; Canada
| | - S. K. Coleman
- Department of Pathology and Molecular Medicine; McMaster University; Hamilton; Ontario; Canada
| | - D. M. D'Souza
- Department of Pathology and Molecular Medicine; McMaster University; Hamilton; Ontario; Canada
| | - C. Liu
- Department of Life Sciences; Theobald Science Center; New York Institute of Technology; Old Westbury; NY; USA
| | - M. S. Kronenberg
- Department of Genetics and Developmental Biology; University of Connecticut Health Center; Farmington; CT; USA
| | - D. W. Rowe
- Department of Genetics and Developmental Biology; University of Connecticut Health Center; Farmington; CT; USA
| | - T. J. Hawke
- Department of Pathology and Molecular Medicine; McMaster University; Hamilton; Ontario; Canada
| | - M. Hadjiargyrou
- Department of Life Sciences; Theobald Science Center; New York Institute of Technology; Old Westbury; NY; USA
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17
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Li J, Chen Y, Wang YG, Zhao XL, Gilbert ER, Liu YP, Wang Y, Hu YD, Zhu Q. MUSTN1 mRNA Abundance and Protein Localization is Greatest in Muscle Tissues of Chinese Meat-Quality Chickens. Int J Mol Sci 2013; 14:5545-59. [PMID: 23528857 PMCID: PMC3634495 DOI: 10.3390/ijms14035545] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Revised: 01/19/2013] [Accepted: 01/31/2013] [Indexed: 11/27/2022] Open
Abstract
The Mustang, Musculoskeletal Temporally Activated Novel-1 Gene (MUSTN1) plays an important role in regulating musculoskeletal development in mammals. We evaluated the developmental and tissue-specific regulation of MUSTN1 mRNA and protein abundance in Erlang Mountainous (EM) chickens. Results indicated that MUSTN1 mRNA/protein was expressed in most tissues with especially high expression in heart and skeletal muscle. The MUSTN1 protein localized to the nucleus in myocardium and skeletal muscle fibers. There were significant differences in mRNA and protein abundance among tissues, ages and between males and females. In conclusion, MUSTN1 was expressed the greatest in skeletal muscle where it localized to the nucleus. Thus, in chickens MUSTN1 may play a vital role in muscle development.
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Affiliation(s)
- Juan Li
- College of Animal Science and Technology, Sichuan Agricultural University, Ya’an 625014, Sichuan, China; E-Mails: (J.L.); (Y.C.); (Y.-G.W.); (X.-L.Z.); (Y.-P.L.); (Y.W.); (Y.-D.H.)
| | - Yang Chen
- College of Animal Science and Technology, Sichuan Agricultural University, Ya’an 625014, Sichuan, China; E-Mails: (J.L.); (Y.C.); (Y.-G.W.); (X.-L.Z.); (Y.-P.L.); (Y.W.); (Y.-D.H.)
| | - Ya-Gang Wang
- College of Animal Science and Technology, Sichuan Agricultural University, Ya’an 625014, Sichuan, China; E-Mails: (J.L.); (Y.C.); (Y.-G.W.); (X.-L.Z.); (Y.-P.L.); (Y.W.); (Y.-D.H.)
| | - Xiao-Ling Zhao
- College of Animal Science and Technology, Sichuan Agricultural University, Ya’an 625014, Sichuan, China; E-Mails: (J.L.); (Y.C.); (Y.-G.W.); (X.-L.Z.); (Y.-P.L.); (Y.W.); (Y.-D.H.)
| | - Elizabeth Ruth Gilbert
- Department of Animal and Poultry Sciences 0306, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA; E-Mail:
| | - Yi-Ping Liu
- College of Animal Science and Technology, Sichuan Agricultural University, Ya’an 625014, Sichuan, China; E-Mails: (J.L.); (Y.C.); (Y.-G.W.); (X.-L.Z.); (Y.-P.L.); (Y.W.); (Y.-D.H.)
| | - Yan Wang
- College of Animal Science and Technology, Sichuan Agricultural University, Ya’an 625014, Sichuan, China; E-Mails: (J.L.); (Y.C.); (Y.-G.W.); (X.-L.Z.); (Y.-P.L.); (Y.W.); (Y.-D.H.)
| | - Yao-Dong Hu
- College of Animal Science and Technology, Sichuan Agricultural University, Ya’an 625014, Sichuan, China; E-Mails: (J.L.); (Y.C.); (Y.-G.W.); (X.-L.Z.); (Y.-P.L.); (Y.W.); (Y.-D.H.)
| | - Qing Zhu
- College of Animal Science and Technology, Sichuan Agricultural University, Ya’an 625014, Sichuan, China; E-Mails: (J.L.); (Y.C.); (Y.-G.W.); (X.-L.Z.); (Y.-P.L.); (Y.W.); (Y.-D.H.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +86-835-2882006; Fax: +86-835-2886080
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Gersch RP, Kirmizitas A, Sobkow L, Sorrentino G, Thomsen GH, Hadjiargyrou M. Mustn1 is essential for craniofacial chondrogenesis during Xenopus development. Gene Expr Patterns 2012; 12:145-53. [PMID: 22281807 PMCID: PMC3348343 DOI: 10.1016/j.gep.2012.01.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2011] [Revised: 12/28/2011] [Accepted: 01/10/2012] [Indexed: 10/14/2022]
Abstract
Mustn1 is a vertebrate-specific protein that, in vitro, was showed to be essential for prechondrocyte function and thus it has the potential to regulate chondrogenesis during embryonic development. We use Xenopus laevis as a model to examine Mustn1 involvement in chondrogenesis. Previous work suggests that Mustn1 is necessary but not sufficient for chondrogenic proliferation and differentiation, as well as myogenic differentiation in vitro. Mustn1 was quantified and localized in developing Xenopus embryos using RT-PCR and whole mount in situ hybridization. Xenopus embryos were injected with either control morpholinos (Co-MO) or one designed against Mustn1 (Mustn1-MO) at the four cell stage. Embryos were scored for morphological defects and Sox9 was visualized via in situ hybridization. Finally, Mustn1-MO-injected embryos were co-injected with Mustn1-MO resistant mRNA to confirm the specificity of the observed phenotype. Mustn1 is expressed from the mid-neurula stage to the swimming tadpole stages, predominantly in anterior structures including the pharyngeal arches and associated craniofacial tissues, and the developing somites. Targeted knockdown of Mustn1 in craniofacial and dorsal axial tissues resulted in phenotypes characterized by small or absent eye(s), a shortened body axis, and tail kinks. Further, Mustn1 knockdown reduced cranial Sox9 mRNA expression and resulted in the loss of differentiated cartilaginous head structures (e.g. ceratohyal and pharyngeal arches). Reintroduction of MO-resistant Mustn1 mRNA rescued these effects. We conclude that Mustn1 is necessary for normal craniofacial cartilage development in vivo, although the exact molecular mechanism remains unknown.
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Affiliation(s)
- Robert P Gersch
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794-5281
| | - Arif Kirmizitas
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY 11794-8575
| | - Lidia Sobkow
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794-5281
| | - Gina Sorrentino
- Department of Anatomical Sciences, Stony Brook University, Stony Brook, NY 11794-8081
| | - Gerald H Thomsen
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY 11794-8575
| | - Michael Hadjiargyrou
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794-5281
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19
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Sampson HW, Chaput CD, Brannen J, Probe RA, Guleria RS, Pan J, Baker KM, VanBuren V. Alcohol induced epigenetic perturbations during the inflammatory stage of fracture healing. Exp Biol Med (Maywood) 2011; 236:1389-401. [PMID: 22087020 DOI: 10.1258/ebm.2011.011207] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
It is well recognized by orthopedic surgeons that fractures of alcoholics are more difficult to heal successfully and have a higher incidence of non-union, but the mechanism of alcohol's effect on fracture healing is unknown. In order to give direction for the study of the effects of alcohol on fracture healing, we propose to identify gene expression and microRNA changes during the early stages of fracture healing that might be attributable to alcohol consumption. As the inflammatory stage appears to be the most critical for successful fracture healing, this paper focuses on the events at day three following fracture or the stage of inflammation. Sprague-Dawley rats were placed on an ethanol-containing or pair-fed Lieber and DeCarli diet for four weeks prior to surgical fracture. Following insertion of a medullary pin, a closed mid-diaphyseal fracture was induced using a Bonnarens and Einhorn fracture device. At three days' post-fracture, the region of the fracture calluses was harvested from the right hind-limb. RNA was extracted and microarray analysis was conducted against the entire rat genome. There were 35 genes that demonstrated significant increased expression due to alcohol consumption and 20 that decreased due to alcohol. In addition, the expression of 20 microRNAs was increased and six decreased. In summary, while it is recognized that mRNA levels may or may not represent protein levels successfully produced by the cell, these studies reveal changes in gene expression that support the hypothesis that alcohol consumption affects events involved with inflammation. MicroRNAs are known to modulate mRNA and these findings were consistent with much of what was seen with mRNA microarray analysis, especially the involvement of smad4 which was demonstrated by mRNA microarray, microRNA and polymerase chain reaction.
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Affiliation(s)
- H Wayne Sampson
- Department of Systems Biology and Translational Medicine, Texas A&M Health Science Center, College of Medicine, USA.
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20
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Andersen DC, Kristiansen GQ, Jensen L, Füchtbauer EM, Schrøder HD, Jensen CH. Quantitative gene expression profiling of CD45+ and CD45− skeletal muscle-derived side population cells. Cytometry A 2011; 81:72-80. [DOI: 10.1002/cyto.a.21121] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2011] [Revised: 07/12/2011] [Accepted: 07/13/2011] [Indexed: 01/02/2023]
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21
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Han X, Xu X, Liu B. Molecular Characteristics of the Porcine MUSTN1 Gene and its Significant Association with Economic Traits. ACTA ACUST UNITED AC 2010. [DOI: 10.3923/javaa.2010.2351.2356] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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22
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Liu C, Gersch RP, Hawke TJ, Hadjiargyrou M. Silencing of Mustn1 inhibits myogenic fusion and differentiation. Am J Physiol Cell Physiol 2010; 298:C1100-8. [PMID: 20130207 DOI: 10.1152/ajpcell.00553.2009] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Mustn1 (Mustang, musculoskeletal temporally activated novel gene) was originally identified in fracture callus tissue, but its greatest expression is detected in skeletal muscle. Thus, we conducted experiments to investigate the expression and function of Mustn1 during myogenesis. Temporally, quantitative real-time PCR analysis of muscle samples from embryonic day 17 to 12 mo of age reveals that Mustn1 mRNA expression is greatest at 3 mo of age and beyond, consistent with the expression pattern of Myod. In situ hybridization shows abundant Mustn1 expression in somites and developing skeletal muscles, while in adult muscle, Mustn1 is localized to some peripherally located nuclei. Using RNA interference (RNAi), we investigated the function of Mustn1 in C2C12 myoblasts. Though silencing Mustn1 mRNA had no effect on myoblast proliferation, it did significantly impair myoblast differentiation, preventing myofusion. Specifically, when placed in low-serum medium for up to 6 days, Mustn1-silenced myoblasts elongated poorly and were mononucleated. In contrast, control RNAi-treated and parental myoblasts presented as large, multinucleated myotubes. Further supporting the morphological observations, immunocytochemistry of Mustn1-silenced cells demonstrated significant reductions in myogenin (Myog) and myosin heavy chain (Myhc) expression at 4 and 6 days of differentiation as compared with control and parental cells. The decreases in Myog and Myhc protein expression in Mustn1-silenced cells were associated with robust ( approximately 3-fold or greater) decreases in the expression of Myod and desmin (Des), as well as the myofusion markers calpain 1 (Capn1), caveolin 3 (Cav3), and cadherin 15 (M-cadherin; Cadh15). Overall, we demonstrate that Mustn1 is an essential regulator of myogenic differentiation and myofusion, and our findings implicate Myod and Myog as its downstream targets.
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Affiliation(s)
- Cheng Liu
- Dept. of Biomedical Engineering, Stony Brook Univ., NY 11794-2580, USA
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23
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Gersch RP, Hadjiargyrou M. Mustn1 is expressed during chondrogenesis and is necessary for chondrocyte proliferation and differentiation in vitro. Bone 2009; 45:330-8. [PMID: 19410023 PMCID: PMC2706297 DOI: 10.1016/j.bone.2009.04.245] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2009] [Revised: 03/24/2009] [Accepted: 04/22/2009] [Indexed: 12/01/2022]
Abstract
Mustn1 encodes a small nuclear protein expressed specifically in the musculoskeletal system that was originally identified as a strongly up-regulated gene during bone regeneration, especially in fracture callus proliferating chondrocytes. Further experiments were undertaken to investigate its expression and role during chondrogenesis. Initially, whole mount mouse in situ hybridization was carried out and revealed Mustn1 expression in areas of active chondrogenesis that included limb buds, branchial arches and tail bud. To elucidate its function, experiments were carried out to perturb Mustn1 by overexpression and silencing in the pre-chondrocytic RCJ3.1C5.18 (RCJ) cell line. In these cells, Mustn1 is normally differentially regulated, with a spike in expression 2 days after induction of differentiation. Further, Mustn1 was successfully overexpressed in multiple RCJ cell lines by approximately 2-6 fold, and reduced to approximately 32-52% in silenced cell lines as compared to parental Mustn1 levels. Overexpressing, silenced, control, and parental RCJ cell lines were assayed for proliferation and differentiation. No statistically significant changes were observed in either proliferation or proteoglycan production when Mustn1 overexpressing lines were compared to parental and control. By contrast, both proliferation rate and differentiation were significantly reduced in Mustn1 silenced cell lines. Specifically, RNAi silenced cell lines showed reductions in populations of approximately 55-75%, and also approximately 34-40% less matrix (proteoglycan) production as compared to parental and random control lines. Further, this reduction in matrix production was accompanied by significant downregulation of chondrogenic marker genes, such as Sox9, Collagen type II (Col II), and Collagen type X (Col X). Lastly, reintroduction of Mustn1 into a silenced cell line rescued this phenotype, returning proliferation rate, matrix production, and chondrogenic marker gene expression back to parental levels. Taken together these data suggest that Mustn1 is a necessary regulator of chondrocyte function.
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Affiliation(s)
- Robert P. Gersch
- Department of Biomedical Engineering, State University of New York, Stony Brook, Stony Brook, NY 11794
| | - Michael Hadjiargyrou
- Department of Biomedical Engineering, State University of New York, Stony Brook, Stony Brook, NY 11794
- Corresponding Author: Michael Hadjiargyrou, Department of Biomedical Engineering, Stony Brook University, Psychology A Building, Room 338, Stony Brook, NY 11794-2580, Tel. (631) 632-1480, Fax: (631) 632-8577, E-mail:
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24
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Lovell PV, Clayton DF, Replogle KL, Mello CV. Birdsong "transcriptomics": neurochemical specializations of the oscine song system. PLoS One 2008; 3:e3440. [PMID: 18941504 PMCID: PMC2563692 DOI: 10.1371/journal.pone.0003440] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2008] [Accepted: 09/22/2008] [Indexed: 11/18/2022] Open
Abstract
Background Vocal learning is a rare and complex behavioral trait that serves as a basis for the acquisition of human spoken language. In songbirds, vocal learning and production depend on a set of specialized brain nuclei known as the song system. Methodology/Principal Findings Using high-throughput functional genomics we have identified ∼200 novel molecular markers of adult zebra finch HVC, a key node of the song system. These markers clearly differentiate HVC from the general pallial region to which HVC belongs, and thus represent molecular specializations of this song nucleus. Bioinformatics analysis reveals that several major neuronal cell functions and specific biochemical pathways are the targets of transcriptional regulation in HVC, including: 1) cell-cell and cell-substrate interactions (e.g., cadherin/catenin-mediated adherens junctions, collagen-mediated focal adhesions, and semaphorin-neuropilin/plexin axon guidance pathways); 2) cell excitability (e.g., potassium channel subfamilies, cholinergic and serotonergic receptors, neuropeptides and neuropeptide receptors); 3) signal transduction (e.g., calcium regulatory proteins, regulators of G-protein-related signaling); 4) cell proliferation/death, migration and differentiation (e.g., TGF-beta/BMP and p53 pathways); and 5) regulation of gene expression (candidate retinoid and steroid targets, modulators of chromatin/nucleolar organization). The overall direction of regulation suggest that processes related to cell stability are enhanced, whereas proliferation, growth and plasticity are largely suppressed in adult HVC, consistent with the observation that song in this songbird species is mostly stable in adulthood. Conclusions/Significance Our study represents one of the most comprehensive molecular genetic characterizations of a brain nucleus involved in a complex learned behavior in a vertebrate. The data indicate numerous targets for pharmacological and genetic manipulations of the song system, and provide novel insights into mechanisms that might play a role in the regulation of song behavior and/or vocal learning.
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Affiliation(s)
- Peter V. Lovell
- Neurological Sciences Institute, Oregon Health and Science University, Beaverton, Oregon, United States of America
| | - David F. Clayton
- Cell & Developmental Biology, University of Illinois, Urbana, Illinois, United States of America
| | - Kirstin L. Replogle
- Cell & Developmental Biology, University of Illinois, Urbana, Illinois, United States of America
| | - Claudio V. Mello
- Neurological Sciences Institute, Oregon Health and Science University, Beaverton, Oregon, United States of America
- * E-mail:
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25
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Kostek MC, Chen YW, Cuthbertson DJ, Shi R, Fedele MJ, Esser KA, Rennie MJ. Gene expression responses over 24 h to lengthening and shortening contractions in human muscle: major changes in CSRP3, MUSTN1, SIX1, and FBXO32. Physiol Genomics 2007; 31:42-52. [PMID: 17519359 DOI: 10.1152/physiolgenomics.00151.2006] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Resistance training using lengthening (eccentric) contractions induces greater increases in muscle size than shortening (concentric) contractions, but the underlying molecular mechanisms are not clear. Using temporal expression profiling, we compared changes in gene expression within 24 h of an acute bout of each type of contractions conducted simultaneously in the quadriceps of different legs. Five healthy young men performed shortening contractions with one leg while the contralateral leg performed lengthening contractions. Biopsies were taken from both legs before exercise and 3, 6, and 24 h afterwards, in the fed state. Expression profiling ( n = 3) was performed using a custom-made Affymetrix MuscleChip containing probe sets of ∼3,300 known genes and expressed sequence tags expressed in skeletal muscle. We identified 51 transcripts differentially regulated between the two exercise modes. Using unsupervised hierarchical clustering, we identified four distinct clusters, three of which corresponded to unique functional categories (protein synthesis, stress response/early growth, and sarcolemmal structure). Using quantitative RT-PCR ( n = 5), we verified expression changes (lengthening/shortening) in SIX1 (3 h, −1.9-fold, P < 0.001), CSRP3 (6 h, 2.9-fold, P < 0.05), and MUSTN1 (24 h, 4.3-fold, P < 0.05). We examined whether FBXO32/atrogin-1/MAFbx, a known regulator of protein breakdown and of muscle atrophy was differentially expressed: the gene was downregulated after lengthening contractions (3 h, 2.7-fold, P < 0.05; 6 h, 3.3-fold, P < 0.05; 24 h, 2.3-fold, P < 0.05). The results suggested that lengthening and shortening contractions activated distinct molecular pathways as early as 3 h postexercise. The molecular differences might contribute to mechanisms underlying the physiological adaptations seen with training using the two modes of exercise.
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Affiliation(s)
- Matthew C Kostek
- Center for Genetic Medicine Research, Children's National Medical Center, Washington, District of Columbia 20010, USA
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Komatsu DE, Bosch-Marce M, Semenza GL, Hadjiargyrou M. Enhanced bone regeneration associated with decreased apoptosis in mice with partial HIF-1alpha deficiency. J Bone Miner Res 2007; 22:366-74. [PMID: 17181398 PMCID: PMC2268762 DOI: 10.1359/jbmr.061207] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
UNLABELLED HIF-1alpha activates genes under hypoxia and was hypothesized to regulate bone regeneration. Surprisingly, HIF-1alpha+/- fracture calluses are larger, stronger, and stiffer than HIF-1alpha+/+ calluses because of decreased apoptosis. These data identify apoptosis inhibition as a means to enhance bone regeneration. INTRODUCTION Bone regeneration subsequent to fracture involves the synergistic activation of multiple signaling pathways. Localized hypoxia after fracture activates hypoxia-inducible factor 1alpha (HIF-1alpha), leading to increased expression of HIF-1 target genes. We therefore hypothesized that HIF-1alpha is a key regulator of bone regeneration. MATERIALS AND METHODS Fixed femoral fractures were generated in mice with partial HIF-1alpha deficiency (HIF-1alpha+/-) and wildtype littermates (HIF-1alpha+/+). Fracture calluses and intact contralateral femurs from postfracture days (PFDs) 21 and 28 (N=5-10) were subjected to microCT evaluation and four-point bending to assess morphometric and mechanical properties. Molecular analyses were carried out on PFD 7, 10, and 14 samples (N=3) to determine differential gene expression at both mRNA and protein levels. Finally, TUNEL staining was performed on PFD 14 samples (N=2) to elucidate differential apoptosis. RESULTS Surprisingly, fracture calluses from HIF-1alpha+/- mice exhibited greater mineralization and were larger, stronger, and stiffer. Microarray analyses focused on hypoxia-induced genes revealed differential expression (between genotypes) of several genes associated with the apoptotic pathway. Real-time PCR confirmed these results, showing higher expression of proapoptotic protein phosphatase 2a (PP2A) and lower expression of anti-apoptotic B-cell leukemia/lymphoma 2 (BCL2) in HIF-1alpha+/+ calluses. Subsequent TUNEL staining showed that HIF-1alpha+/+ calluses contained larger numbers of TUNEL+ chondrocytes and osteoblasts than HIF-1alpha+/- calluses. CONCLUSIONS We conclude that partial HIF-1alpha deficiency results in decreased chondrocytic and osteoblastic apoptosis, thereby allowing the development of larger, stiffer calluses and enhancing bone regeneration. Furthermore, apoptosis inhibition may be a promising target for developing new treatments to accelerate bone regeneration.
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Affiliation(s)
- David E Komatsu
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, USA
| | - Marta Bosch-Marce
- Vascular Biology Program, Institute for Cell Engineering, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Gregg L Semenza
- Vascular Biology Program, Institute for Cell Engineering, Department of Pediatrics, Medicine, Oncology, and Radiation Oncology and McKusick-Nathans Institute of Genetic Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Michael Hadjiargyrou
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York, USA
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Giannoudis P, Tzioupis C, Almalki T, Buckley R. Fracture healing in osteoporotic fractures: is it really different? A basic science perspective. Injury 2007; 38 Suppl 1:S90-9. [PMID: 17383490 DOI: 10.1016/j.injury.2007.02.014] [Citation(s) in RCA: 191] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Osteoporosis is a major health problem characterized by compromised bone strength that predisposes patients to an increased risk of fracture. Osteoporotic patients differ from normal subjects in bone mineral composition, bone mineral content, and crystallinity. Poor bone quality in patients with osteoporosis presents the surgeon with difficult treatment decisions. Much effort has been expended on improving therapies that are expected to preserve bone mass and thus decrease fracture risk. Manipulation of both the local fracture environment in terms of application of growth factors, scaffolds and mesenchymal cells, and systemic administration of agents promoting bone formation and bone strength has been considered as a treatment option from which promising results have recently been reported. Surprisingly, less importance has been given to investigating fracture healing in osteoporosis. Fracture healing is a complex process of bone regeneration, involving a well-orchestrated series of biological events that follow a definable temporal and spatial sequence that may be affected by both biological factors, such as age and osteoporosis, and mechanical factors such as stability of the osteosynthesis. Current studies mainly focus on preventing osteoporotic fractures. In recent years, the literature has provided evidence of altered fracture healing in osteoporotic bone, which may have important implications in evaluating the effects of new osteoporosis treatments on fracture healing. However, the mechanics of this influence of osteoporosis on fracture healing have not yet been clarified and clinical evidence is still lacking.
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Affiliation(s)
- Peter Giannoudis
- Academic Department of Trauma & Orthopaedic Surgery, School of Medicine, University of Leeds, Leeds, UK.
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Li X, Wang H, Touma E, Rousseau E, Quigg RJ, Ryaby JT. Genetic network and pathway analysis of differentially expressed proteins during critical cellular events in fracture repair. J Cell Biochem 2007; 100:527-43. [PMID: 16960878 DOI: 10.1002/jcb.21017] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Bone repair consists of inflammation, intramembranous ossification, chondrogenesis, endochondral ossification, and remodeling. To better understand the translational regulation of these distinct but interrelated cellular events, we used the second generation of BD Clontechtrade mark Antibody Microarray to dissect and functionally characterize proteins differentially expressed between intact and fractured rat femur at each of these cellular events. Genetic network analysis showed that proteins differentially expressed within a given cellular event tend to be physically or functionally correlated. Seventeen such interacting networks were established over five cellular events that were most frequently associated with cell cycle, cell death, cell-to-cell signaling and interaction, and cell growth and proliferation. Eighteen molecular pathways were significantly enriched during the bone repair process, of which ERK/MAPK, NF-kB, PDGF, and T-cell receptor signaling pathways were significant during three or more cellular events. The analyses revealed dynamic temporal expression patterns and cellular-event-specific functions. The inflammation event on Day 1 was characteristic of the cell cycle-related molecular changes. The relative quiet stage of intramembranous ossification on Day 4 and the molecularly most active stage of chondrogenesis on Day 7 were featured by coordinated cell death and cell-proliferation signals. Endochondral ossification on Day 14 experienced a clear transition from the molecular/cellular function to the physiological system development/function. The osteoclast-mediated remodeling on Day 28 was highlighted by the integrin signaling pathway. The distinct changes in protein expression during these cellular events provide a molecular basis for developing cellular event-targeted therapeutic strategy to accelerate bone healing.
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Affiliation(s)
- Xinmin Li
- College of Animal Science & Technology, Shanxi Agricutural University, Taigu, Shanxi 030801, People's Republic of China
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29
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Liu C, Hadjiargyrou M. Identification and characterization of the Mustang promoter: regulation by AP-1 during myogenic differentiation. Bone 2006; 39:815-24. [PMID: 16731063 DOI: 10.1016/j.bone.2006.04.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2006] [Revised: 04/04/2006] [Accepted: 04/08/2006] [Indexed: 11/19/2022]
Abstract
We previously identified Mustang (musculoskeletal temporally activated novel gene) with expression exclusively in the musculoskeletal system. Although its expression is almost undetectable in intact bone, it is robustly upregulated during bone regeneration. It is also abundantly expressed in adult skeletal muscle and tendon. As such, Mustang represents a marker for these cells and thus identifying its promoter would enable us to characterize its transcriptional regulation. To this end, we have isolated and characterized a 1512-bp mouse genomic clone representing the Mustang 5'-flanking region and identified a transcription start site, a TATA box, and multiple putative transcription factor binding sites (including AP-1 and AP-2). The activity of this promoter was detected in musculoskeletal cells and embryonic fibroblasts, even exceeding levels (145%) of the control SV40 promoter (in C2C12 cells). Further, the contribution of specific AP-1 and AP-2 sites was determined with serially deleted and mutated promoter constructs. Results indicate that one of the four AP-1 sites is required for substantial transcriptional activation, as its specific deletion or mutation decreases promoter activity by 32% and 40%, respectively. In contrast, deletion of both identified AP-2 sites results in only a 12% decrease in promoter activity. We further characterized the key AP-1 site by EMSA and determined that in both proliferating and differentiating C2C12 cells, only c-Fos, Fra-2 and JunD were required for transcriptional activation. Mustang's restricted tissue specificity and strong promoter makes this gene an ideal candidate for utilization in cell lineage studies that could unveil cellular/molecular mechanisms responsible for musculoskeletal development and regeneration.
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Affiliation(s)
- Cheng Liu
- Department of Biomedical Engineering, Stony Brook University, Psychology A Building, Room 338, Stony Brook, NY 11794-2580, USA
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30
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Reverter A, Hudson NJ, Wang Y, Tan SH, Barris W, Byrne KA, McWilliam SM, Bottema CDK, Kister A, Greenwood PL, Harper GS, Lehnert SA, Dalrymple BP. A gene coexpression network for bovine skeletal muscle inferred from microarray data. Physiol Genomics 2006; 28:76-83. [PMID: 16985009 DOI: 10.1152/physiolgenomics.00105.2006] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
We present the application of large-scale multivariate mixed-model equations to the joint analysis of nine gene expression experiments in beef cattle muscle and fat tissues with a total of 147 hybridizations, and we explore 47 experimental conditions or treatments. Using a correlation-based method, we constructed a gene network for 822 genes. Modules of muscle structural proteins and enzymes, extracellular matrix, fat metabolism, and protein synthesis were clearly evident. Detailed analysis of the network identified groupings of proteins on the basis of physical association. For example, expression of three components of the z-disk, MYOZ1, TCAP, and PDLIM3, was significantly correlated. In contrast, expression of these z-disk proteins was not highly correlated with the expression of a cluster of thick (myosins) and thin (actin and tropomyosins) filament proteins or of titin, the third major filament system. However, expression of titin was itself not significantly correlated with the cluster of thick and thin filament proteins and enzymes. Correlation in expression of many fast-twitch muscle structural proteins and enzymes was observed, but slow-twitch-specific proteins were not correlated with the fast-twitch proteins or with each other. In addition, a number of significant associations between genes and transcription factors were also identified. Our results not only recapitulate the known biology of muscle but have also started to reveal some of the underlying associations between and within the structural components of skeletal muscle.
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Affiliation(s)
- Antonio Reverter
- Bioinformatics Group, Commonwealth Scientific and Industrial Research Organisation Livestock Industries, Queensland Bioscience Precinct, 306 Carmody Road, St. Lucia, QLD 4067, Australia.
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Zhong N, Gersch RP, Hadjiargyrou M. Wnt signaling activation during bone regeneration and the role of Dishevelled in chondrocyte proliferation and differentiation. Bone 2006; 39:5-16. [PMID: 16459154 DOI: 10.1016/j.bone.2005.12.008] [Citation(s) in RCA: 98] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2005] [Revised: 12/03/2005] [Accepted: 12/05/2005] [Indexed: 01/10/2023]
Abstract
Wnt signaling is intrinsically involved in diverse cellular activities during cell differentiation, early embryonic development and organogenesis. Although much is known regarding the effects of Wnt signaling in the developing skeletal system, its role during regeneration remains unclear. Herein, we show transcriptional activation of specific members and target genes of the Wnt signaling pathway. Specifically, all of the Wnt signaling members and target genes analyzed were found to be upregulated during the early stages of fracture repair, with the exception of LEF1 whose expression was downregulated. In addition, spatial expression analysis of Dishevelled (Dvl) and beta-catenin in the fracture callus revealed an identical pattern of expression with both proteins localizing in osteoprogenitor cells of the periosteum, osteoblasts and proliferating/pre-hypertrophic chondrocytes. Further, in vitro knockdown of all three Dvl isoforms in chondrocytes using small interfering RNAs (siRNA) leads to partial inhibition of cell proliferation and differentiation, decreased expression of chondrogenic markers (ColII, ColX, Sox9) and suppressed nuclear accumulation of unphosphorylated beta-catenin. Taken together, these data verify our previous finding that the Wnt signaling pathway is activated during bone regeneration, by characterizing the temporal and spatial expression of a broad spectrum of Wnt-signaling molecules. Our data also suggest that all three Dvl isoforms, acting through the Wnt canonical pathway, are critical regulatory molecules for chondrocyte proliferation and differentiation.
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Affiliation(s)
- Nan Zhong
- Department of Biomedical Engineering, State University of New York, Stony Brook, Psychology A Building, Room 338, Stony Brook, NY 11794-2580, USA
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Tsiridis E, Giannoudis PV. Transcriptomics and proteomics: advancing the understanding of genetic basis of fracture healing. Injury 2006; 37 Suppl 1:S13-9. [PMID: 16616752 DOI: 10.1016/j.injury.2006.02.036] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Fracture healing is a complex physiological post-natal process, which involves the coordination of several different cell types. Exploring the orchestration of events and the simultaneous activation of osteogenesis and chondrogenesis that recapitulates mammalian embryological skeletal development seems to be not only sophisticated but also challenging. A large number of genes involved in the above process are known, but many more remain to be discovered. The functional characterisation of these genes promises to elucidate the repair process as well as skeletal abnormalities and aging. We here review the current knowledge on early and late gene expression during fracture healing, the genes so far associated with osteoblast and osteoclast differentiation, the BMP antagonists, and the Wnts signalling pathway.
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Affiliation(s)
- Eleftherios Tsiridis
- Trauma & Orthopaedic Surgery, School of Medicine, University of Leeds, and St. James's University Hospital, Beckett Street, Leeds LS9 7TF, UK
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Lequerré T, Gauthier-Jauneau AC, Bansard C, Derambure C, Hiron M, Vittecoq O, Daveau M, Mejjad O, Daragon A, Tron F, Le Loët X, Salier JP. Gene profiling in white blood cells predicts infliximab responsiveness in rheumatoid arthritis. Arthritis Res Ther 2006; 8:R105. [PMID: 16817978 PMCID: PMC1779405 DOI: 10.1186/ar1990] [Citation(s) in RCA: 106] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2006] [Revised: 05/23/2006] [Accepted: 07/08/2006] [Indexed: 01/08/2023] Open
Abstract
As indicators of responsiveness to a tumour necrosis factor (TNF)alpha blocking agent (infliximab) are lacking in rheumatoid arthritis, we have used gene profiling in peripheral blood mononuclear cells to predict a good versus poor response to infliximab. Thirty three patients with very active disease (Disease Activity Score 28 >5.1) that resisted weekly methotrexate therapy were given infliximab at baseline, weeks 2 and 6, and every 8th week thereafter. The patients were categorized as responders if a change of Disease Activity Score 28 = 1.2 was obtained at 3 months. Mononuclear cell RNAs were collected at baseline and at three months from responders and non-responders. The baseline RNAs were hybridised to a microarray of 10,000 non-redundant human cDNAs. In 6 responders and 7 non-responders, 41 mRNAs identified by microarray analysis were expressed as a function of the response to treatment and an unsupervised hierarchical clustering perfectly separated these responders from non-responders. The informativeness of 20 of these 41 transcripts, as measured by qRT-PCR, was re-assessed in 20 other patients. The combined levels of these 20 transcripts properly classified 16 out of 20 patients in a leave-one-out procedure, with a sensitivity of 90% and a specificity of 70%, whereas a set of only 8 transcripts properly classified 18/20 patients. Trends for changes in various transcript levels at three months tightly correlated with treatment responsiveness and a down-regulation of specific transcript levels was observed in non-responders only. Our gene profiling obtained by a non-invasive procedure should now be used to predict the likely responders to an infliximab/methotrexate combination.
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Affiliation(s)
- Thierry Lequerré
- CHU de Rouen, Hôpitaux de Rouen, Service de Rhumatologie, Rouen, F-76000, France
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
- Consortium EGERIE, Rouen, Paris, France
| | - Anne-Christine Gauthier-Jauneau
- CHU de Rouen, Hôpitaux de Rouen, Service de Rhumatologie, Rouen, F-76000, France
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
| | - Carine Bansard
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
| | - Céline Derambure
- CHU de Rouen, Hôpitaux de Rouen, Service de Rhumatologie, Rouen, F-76000, France
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
| | - Martine Hiron
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
- Consortium EGERIE, Rouen, Paris, France
| | - Olivier Vittecoq
- CHU de Rouen, Hôpitaux de Rouen, Service de Rhumatologie, Rouen, F-76000, France
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
- Consortium EGERIE, Rouen, Paris, France
| | - Maryvonne Daveau
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
- Consortium EGERIE, Rouen, Paris, France
| | - Othmane Mejjad
- CHU de Rouen, Hôpitaux de Rouen, Service de Rhumatologie, Rouen, F-76000, France
| | - Alain Daragon
- CHU de Rouen, Hôpitaux de Rouen, Service de Rhumatologie, Rouen, F-76000, France
| | - François Tron
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
- Consortium EGERIE, Rouen, Paris, France
| | - Xavier Le Loët
- CHU de Rouen, Hôpitaux de Rouen, Service de Rhumatologie, Rouen, F-76000, France
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
- Consortium EGERIE, Rouen, Paris, France
| | - Jean-Philippe Salier
- Inserm, U519, Rouen, F-76000, France
- Université Rouen, Faculté de Médecine-Pharmacie, Institut Fédératif de Recherche Multidisciplinaire sur les Peptides, Rouen, F-76000, France
- Consortium EGERIE, Rouen, Paris, France
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Abstract
Previous studies have explored the link between bone regeneration and skeletogenesis. Although a great deal is known regarding tissue and cell based events, especially those involving ossification and chondrogenesis, much remains unknown about the molecular similarity of repair and development. Since the functional significance of Homeobox (Hox) genes in embryonic skeletogenesis has been well documented through knockout and deficiency studies, we chose to investigate whether members of this family are reactivated during fracture repair. Specifically, we examined the temporal and spatial expression of Msx-1, Msx-2, rHox, Hoxa-2 and Hoxd-9, because of their involvement in limb development. Utilizing quantitative reverse transcriptase RT-PCR (qPCR), mRNA levels from all five genes were shown to be upregulated during fracture repair at all times tested (post-fracture day 3-21), as compared to intact bone. Further, using in situ hybridization and immunohistochemistry, spatial expression of these genes was localized to osteoblasts, chondrocytes and periosteal osteoprogenitor cells found within the fracture callus, the foremost cells responsible for the reparative phase of the healing process. Given the contribution of Hox genes in skeletal development, our results suggest that these genes are involved in either the patterning or formation of the fracture callus, further supporting the notion that bone regeneration recapitulates skeletal development.
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Affiliation(s)
- Robert P Gersch
- Department of Biomedical Engineering, Stony Brook University, Psychology A Building, Stony Brook, NY 11794-2580, USA
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Engel FB, Schebesta M, Duong MT, Lu G, Ren S, Madwed JB, Jiang H, Wang Y, Keating MT. p38 MAP kinase inhibition enables proliferation of adult mammalian cardiomyocytes. Genes Dev 2005; 19:1175-87. [PMID: 15870258 PMCID: PMC1132004 DOI: 10.1101/gad.1306705] [Citation(s) in RCA: 422] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Adult mammalian cardiomyocytes are considered terminally differentiated and incapable of proliferation. Consequently, acutely injured mammalian hearts do not regenerate, they scar. Here, we show that adult mammalian cardiomyocytes can divide. One important mechanism used by mammalian cardiomyocytes to control cell cycle is p38 MAP kinase activity. p38 regulates expression of genes required for mitosis in cardiomyocytes, including cyclin A and cyclin B. p38 activity is inversely correlated with cardiac growth during development, and its overexpression blocks fetal cardiomyocyte proliferation. Activation of p38 in vivo by MKK3bE reduces BrdU incorporation in fetal cardiomyocytes by 17.6%. In contrast, cardiac-specific p38alpha knockout mice show a 92.3% increase in neonatal cardiomyocyte mitoses. Furthermore, inhibition of p38 in adult cardiomyocytes promotes cytokinesis. Finally, mitosis in adult cardiomyocytes is associated with transient dedifferentiation of the contractile apparatus. Our findings establish p38 as a key negative regulator of cardiomyocyte proliferation and indicate that adult cardiomyocytes can divide.
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Affiliation(s)
- Felix B Engel
- Howard Hughes Medical Institute, Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA
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36
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Abstract
Fracture healing requires the cooperation of multiple molecular signaling pathways. To better understand this cascade of transcriptional events, we compared the gene expression profiles between intact bone and fractured bone at days 1, 2, and 4 using a rat femur model of bone healing. Cluster analysis identified several groups of genes with dynamic temporal expression patterns and stage-specific functions. The immediate-response genes are highlighted by binding activity, transporter activity, and energy derivation. We consider these activities as critical signals for initiation of fracture healing. The continuously increased genes are characterized by those directly involved in bone repair, thus, representing bone specific forefront workers. The constantly upregulated genes tend to regulate general cell growth and are enriched with genes that are involved in tumorigenesis, suggesting common pathways between two processes. The constantly downregulated genes predominantly involve immune response, the significance of which remains for further investigation. Knowledge acquired through this analysis of transcriptional activities at the early stage of bone healing will contribute to our understanding of fracture repair and bone-related pathological conditions.
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Affiliation(s)
- Xinmin Li
- Shanxi Agricultural University, Taigu, Shanxi, China 030801
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