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Jo M, Brännström M, Akins JW, Curry TE. New insights into the ovulatory process in the human ovary. Hum Reprod Update 2024:dmae027. [PMID: 39331957 DOI: 10.1093/humupd/dmae027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/02/2024] [Indexed: 09/29/2024] Open
Abstract
BACKGROUND Successful ovulation is essential for natural conception and fertility. Defects in the ovulatory process are associated with various conditions of infertility or subfertility in women. However, our understanding of the intra-ovarian biochemical mechanisms underlying this process in women has lagged compared to our understanding of animal models. This has been largely due to the limited availability of human ovarian samples that can be used to examine changes across the ovulatory period and delineate the underlying cellular/molecular mechanisms in women. Despite this challenge, steady progress has been made to improve our knowledge of the ovulatory process in women by: (i) collecting granulosa cells across the IVF interval, (ii) creating a novel approach to collecting follicular cells and tissues across the periovulatory period from normally cycling women, and (iii) developing unique in vitro models to examine the LH surge or hCG administration-induced ovulatory changes in gene expression, the regulatory mechanisms underlying the ovulatory changes, and the specific functions of the ovulatory factors. OBJECTIVE AND RATIONALE The objective of this review is to summarize findings generated using in vivo and in vitro models of human ovulation, with the goal of providing new insights into the mechanisms underlying the ovulatory process in women. SEARCH METHODS This review is based on the authors' own studies and a search of the relevant literature on human ovulation to date using PubMed search terms such as 'human ovulation EGF-signaling', 'human ovulation steroidogenesis', 'human ovulation transcription factor', 'human ovulation prostaglandin', 'human ovulation proteinase', 'human ovulation angiogenesis' 'human ovulation chemokine', 'human ovulatory disorder', 'human granulosa cell culture'. Our approach includes comparing the data from the authors' studies with the existing microarray or RNA-seq datasets generated using ovarian cells obtained throughout the ovulatory period from humans, monkeys, and mice. OUTCOMES Current findings from studies using in vivo and in vitro models demonstrate that the LH surge or hCG administration increases the expression of ovulatory mediators, including EGF-like factors, steroids, transcription factors, prostaglandins, proteolytic systems, and other autocrine and paracrine factors, similar to those observed in other animal models such as rodents, ruminants, and monkeys. However, the specific ovulatory factors induced, their expression pattern, and their regulatory mechanisms vary among different species. These species-specific differences stress the necessity of utilizing human samples to delineate the mechanisms underlying the ovulatory process in women. WIDER IMPLICATIONS The data from human ovulation in vivo and in vitro models have begun to fill the gaps in our understanding of the ovulatory process in women. Further efforts are needed to discover novel ovulatory factors. One approach to address these gaps is to improve existing in vitro models to more closely mimic in vivo ovulatory conditions in humans. This is critically important as the knowledge obtained from these human studies can be translated directly to aid in the diagnosis of ovulation-associated pathological conditions, for the development of more effective treatment to help women with anovulatory infertility or, conversely, to better manage ovulation for contraceptive purposes. REGISTRATION NUMBER N/A.
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Affiliation(s)
- Misung Jo
- Department of Obstetrics and Gynecology, University of Kentucky College of Medicine, Lexington, KY, USA
| | - Mats Brännström
- Department of Obstetrics and Gynecology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
- Stockholm IVF-EUGIN, Stockholm, Sweden
| | | | - Thomas E Curry
- Department of Obstetrics and Gynecology, University of Kentucky College of Medicine, Lexington, KY, USA
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Choi Y, Jeon H, Brännström M, Akin JW, Curry TE, Jo M. A single-cell gene expression atlas of human follicular aspirates: Identification of leukocyte subpopulations and their paracrine factors. FASEB J 2023; 37:e22843. [PMID: 36934419 DOI: 10.1096/fj.202201746rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 02/08/2023] [Accepted: 02/15/2023] [Indexed: 03/20/2023]
Abstract
Leukocytes are in situ regulators critical for ovarian function. However, little is known about leukocyte subpopulations and their interaction with follicular cells in ovulatory follicles, especially in humans. Single-cell RNA sequencing (scRNA-seq) was performed using follicular aspirates obtained from four IVF patients and identified 13 cell groups: one granulosa cell group, one thecal cell group, 10 subsets of leukocytes, and one group of RBC/platelet. RNA velocity analyses on five granulosa cell populations predicted developmental dynamics denoting two projections of differentiation states. The cell type-specific transcriptomic profiling analyses revealed the presence of a diverse array of leukocyte-derived factors that can directly impact granulosa cell function by activating their receptors (e.g., cytokines and secretory ligands) and are involved in tissue remodeling (e.g., MMPs, ADAMs, ADAMTSs, and TIMPs) and angiogenesis (e.g., VEGFs, PGF, FGF, IGF, and THBS1) in ovulatory follicles. Consistent with the findings from the scRNA-seq data, the leukocyte-specific expression of CD68, IL1B, and MMP9 was verified in follicle tissues collected before and at defined hours after hCG administration from regularly cycling women. Collectively, this study demonstrates that this data can be used as an invaluable resource for identifying important leukocyte-derived factors that promote follicular cell function, thereby facilitating ovulation and luteinization in women.
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Affiliation(s)
- Yohan Choi
- Department of Obstetrics and Gynecology, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Hayce Jeon
- Department of Obstetrics and Gynecology, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Mats Brännström
- Department of Obstetrics and Gynecology, University of Gothenburg, Gothenburg, Sweden
- Stockholm IVF-EUGIN, Stockholm, Sweden
| | - James W Akin
- Bluegrass Fertility Center, Lexington, Kentucky, USA
| | - Thomas E Curry
- Department of Obstetrics and Gynecology, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Misung Jo
- Department of Obstetrics and Gynecology, University of Kentucky College of Medicine, Lexington, Kentucky, USA
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Li J, Lyu L, Wen H, Li Y, Wang X, Zhang Y, Yao Y, Qi X. Comparative transcriptomic analysis of gonadal development and renewal in the ovoviviparous black rockfish (Sebastes schlegelii). BMC Genomics 2021; 22:874. [PMID: 34863110 PMCID: PMC8642938 DOI: 10.1186/s12864-021-08169-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 11/10/2021] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND The black rockfish (Sebastes schlegelii) has an ovoviviparous reproductive pattern and long-term sperm storage, resulting in asynchronous gonadal development between the sexes. However, the comprehensive understanding of gonadal development in black rockfish has not yet been achieved. Here, we studied gonadal development and germ cell renewal using histology and RNA-seq. RESULTS In this study, RNA-seq was performed on testes and ovaries to characterize key pathways and genes that are active during development and gamete maturation in black rockfish. Differentially expressed genes (DEGs) were identified and annotated in 4 comparisons (F_III vs. F_IV, F_IV vs. F_V, M_III vs. M_IV and M_IV vs. M_V). Based on analysis of DEGs enriched in the testis, 11 and 14 Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways were mapped to the M_III vs. M_IV group and the M_IV vs. M_V group, respectively. DEGs in ovarian development were also classified into 10 groups according to their biological functions. The expression patterns of the selected genes determined by qPCR were significantly correlated with the RNA-Seq results, supporting the reliability and accuracy of the RNA-Seq analysis. E2 levels showed down regulation from previtellogenesis to mature stage in female and T level showed down regulation from spermatogenesis to regressed stage in the male. CONCLUSIONS The categories "intercellular interaction and cytoskeleton", "molecule amplification" and "repair in the cell cycle" were revealed to be crucial in testis development and spermatogenesis, as was the biosynthesis of a series of metabolites. Our results provide comprehensive insight into black rockfish gonadal development and provide a basis for further study of reproductive physiology and molecular biology in ovoviviparity teleosts.
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Affiliation(s)
- Jianshuang Li
- College of Fishery, Ocean University of China, Qingdao, 266000, P. R. China
- Key Laboratory of Mariculture, Ocean University of China, Ministry of Education, Qingdao, 266003, P. R. China
| | - Likang Lyu
- College of Fishery, Ocean University of China, Qingdao, 266000, P. R. China
- Key Laboratory of Mariculture, Ocean University of China, Ministry of Education, Qingdao, 266003, P. R. China
| | - Haishen Wen
- College of Fishery, Ocean University of China, Qingdao, 266000, P. R. China
- Key Laboratory of Mariculture, Ocean University of China, Ministry of Education, Qingdao, 266003, P. R. China
| | - Yun Li
- College of Fishery, Ocean University of China, Qingdao, 266000, P. R. China
- Key Laboratory of Mariculture, Ocean University of China, Ministry of Education, Qingdao, 266003, P. R. China
| | - Xiaojie Wang
- College of Fishery, Ocean University of China, Qingdao, 266000, P. R. China
- Key Laboratory of Mariculture, Ocean University of China, Ministry of Education, Qingdao, 266003, P. R. China
| | - Ying Zhang
- College of Fishery, Ocean University of China, Qingdao, 266000, P. R. China
- Key Laboratory of Mariculture, Ocean University of China, Ministry of Education, Qingdao, 266003, P. R. China
| | - Yijia Yao
- College of Fishery, Ocean University of China, Qingdao, 266000, P. R. China
- Key Laboratory of Mariculture, Ocean University of China, Ministry of Education, Qingdao, 266003, P. R. China
| | - Xin Qi
- College of Fishery, Ocean University of China, Qingdao, 266000, P. R. China.
- Key Laboratory of Mariculture, Ocean University of China, Ministry of Education, Qingdao, 266003, P. R. China.
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Zhu Y. Metalloproteases in gonad formation and ovulation. Gen Comp Endocrinol 2021; 314:113924. [PMID: 34606745 PMCID: PMC8576836 DOI: 10.1016/j.ygcen.2021.113924] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 09/27/2021] [Accepted: 09/29/2021] [Indexed: 01/13/2023]
Abstract
Changes in expression or activation of various metalloproteases including matrix metalloproteases (Mmp), a disintegrin and metalloprotease (Adam) and a disintegrin and metalloprotease with thrombospondin motif (Adamts), and their endogenous inhibitors (tissue inhibitors of metalloproteases, Timp), have been shown to be critical for ovulation in various species from studies in past decades. Some of these metalloproteases such as Adamts1, Adamts9, Mmp2, and Mmp9 have also been shown to be regulated by luteinizing hormone (LH) and/or progestin, which are essential triggers for ovulation in all vertebrate species. Most of these metalloproteases also express broadly in various tissues and cells including germ cells and somatic gonad cells. Thus, metalloproteases likely play roles in gonad formation processes comprising primordial germ cell (PGC) migration, development of germ and somatic cells, and sex determination. However, our knowledge on the functions and mechanisms of metalloproteases in these processes in vertebrates is still lacking. This review will summarize our current knowledge on the metalloproteases in ovulation and gonad formation with emphasis on PGC migration and germ cell development.
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Affiliation(s)
- Yong Zhu
- Department of Biology, East Carolina University, Greenville, NC 27858, USA.
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5
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Levin G, Coelho TM, Nóbrega NG, Trombetta-Lima M, Sogayar MC, Carreira ACO. Spatio-temporal expression profile of matrix metalloproteinase (Mmp) modulators Reck and Sparc during the rat ovarian dynamics. Reprod Biol Endocrinol 2018; 16:116. [PMID: 30424792 PMCID: PMC6234678 DOI: 10.1186/s12958-018-0422-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 10/14/2018] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND Matrix metalloproteinases (Mmps) and their tissue inhibitors (Timps) are widely recognized as crucial factors for extracellular matrix remodeling in the ovary and are involved in follicular growth, ovulation, luteinization, and luteolysis during the estrous cycle. Recently, several genes have been associated to the modulation of Mmps activity, including Basigin (Bsg), which induces the expression of Mmps in rat ovaries; Sparc, a TGF-β modulator that is related to increased expression of Mmps in cancer; and Reck, which is associated with Mmps inhibition. However, the expression pattern of Mmp modulators in ovary dynamics is still largely uncharacterized. METHODS To characterize the expression pattern of Mmps network members in ovary dynamics, we analyzed the spatio-temporal expression pattern of Reck and Sparc, as well as of Mmp2, Mmp9 and Mmp14 proteins, by immunohistochemistry (IHC), in pre-pubertal rat ovaries obtained from an artificial cycle induced by eCG/hCG, in the different phases of the hormone-induced estrous cycle. We also determined the gene expression profiles of Mmps (2, 9, 13 14), Timps (1, 2, 3), Sparc, Bsg, and Reck to complement this panel. RESULTS IHC analysis revealed that Mmp protein expression peaks at the early stages of folliculogenesis and ovulation, decreases during ovulation-luteogenesis transition and luteogenesis, increasing again during corpus luteum maintenance and luteolysis. The protein expression patterns of these metalloproteinases and Sparc were inverse relative to the pattern displayed by Reck. We observed that the gene expression peaks of Mmps inhibitors Reck and Timp2 were closely paraleled by Mmp2 and Mmp9 suppression. The opposite was also true: increased Mmp2 and Mmp9 expression was concomitant to reduced Reck and Timp2 levels. CONCLUSION Therefore, our results generate a spatio-temporal expression profile panel of Mmps and their regulators, suggesting that Reck and Sparc seem to play a role during ovarian dynamics: Reck as a possible inhibitor and Sparc as an inducer of Mmps.
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Affiliation(s)
- Gabriel Levin
- 0000 0004 1937 0722grid.11899.38NUCEL (Cell and Molecular Therapy Center), Internal Medicine Department, Medical School, University of São Paulo, Rua Pangaré, 100, Cidade Universitária, São Paulo, SP 05360-130 Brazil
| | - Tatiane Maldonado Coelho
- 0000 0004 1937 0722grid.11899.38NUCEL (Cell and Molecular Therapy Center), Internal Medicine Department, Medical School, University of São Paulo, Rua Pangaré, 100, Cidade Universitária, São Paulo, SP 05360-130 Brazil
- 0000 0004 1937 0722grid.11899.38Chemistry Institute, Biochemistry Department, University of São Paulo, São Paulo, SP 05508-000 Brazil
| | - Nathali Guimarães Nóbrega
- 0000 0004 1937 0722grid.11899.38NUCEL (Cell and Molecular Therapy Center), Internal Medicine Department, Medical School, University of São Paulo, Rua Pangaré, 100, Cidade Universitária, São Paulo, SP 05360-130 Brazil
| | - Marina Trombetta-Lima
- 0000 0004 1937 0722grid.11899.38NUCEL (Cell and Molecular Therapy Center), Internal Medicine Department, Medical School, University of São Paulo, Rua Pangaré, 100, Cidade Universitária, São Paulo, SP 05360-130 Brazil
- 0000 0004 1937 0722grid.11899.38Chemistry Institute, Biochemistry Department, University of São Paulo, São Paulo, SP 05508-000 Brazil
| | - Mari Cleide Sogayar
- 0000 0004 1937 0722grid.11899.38NUCEL (Cell and Molecular Therapy Center), Internal Medicine Department, Medical School, University of São Paulo, Rua Pangaré, 100, Cidade Universitária, São Paulo, SP 05360-130 Brazil
- 0000 0004 1937 0722grid.11899.38Chemistry Institute, Biochemistry Department, University of São Paulo, São Paulo, SP 05508-000 Brazil
| | - Ana Claudia Oliveira Carreira
- 0000 0004 1937 0722grid.11899.38NUCEL (Cell and Molecular Therapy Center), Internal Medicine Department, Medical School, University of São Paulo, Rua Pangaré, 100, Cidade Universitária, São Paulo, SP 05360-130 Brazil
- 0000 0004 1937 0722grid.11899.38Chemistry Institute, Biochemistry Department, University of São Paulo, São Paulo, SP 05508-000 Brazil
- 0000 0004 1937 0722grid.11899.38Department of Surgery, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP 05508-270 Brazil
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6
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Willis EL, Bridges PJ, Fortune JE. Progesterone receptor and prostaglandins mediate luteinizing hormone-induced changes in messenger RNAs for ADAMTS proteases in theca cells of bovine periovulatory follicles. Mol Reprod Dev 2017; 84:55-66. [PMID: 27879029 DOI: 10.1002/mrd.22761] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Accepted: 11/17/2016] [Indexed: 11/11/2022]
Abstract
Little is known about the ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs) family of extracellular proteases in ovarian follicles of non-rodent species, particularly in theca cells. In the present study, temporal changes in the abundance of mRNA encoding four ADAMTS subtypes and hormonal regulation of mRNA encoding two subtypes were investigated in theca interna cells during the periovulatory period in cattle. Gonadotropin-releasing hormone (GnRH) was injected into animals to induce a luteinizing hormone (LH)/follicle-stimulating hormone (FSH) surge, and follicles were obtained at 0 hr post-GnRH (preovulatory) or at 6, 12, 18, or 24 hr (periovulatory). ADAMTS1, -2, -7, and -9 transcript abundance was then determined in the isolated theca interna. ADAMTS1 and -9 mRNA levels were up-regulated at 24 hr post-GnRH, whereas ADAMTS2 mRNA was higher at 12-24 hr post-GnRH and ADAMTS7 mRNA increased transiently at 12 hr post-GnRH compared to other time points. Subsequent in vitro experiments using preovulatory theca interna (0 hr post-GnRH) showed that application of LH in vitro can mimic the effects of the gonadotropin surge on mRNAs encoding ADAMTS1 and -9 and that progesterone/progesterone receptor and/or prostaglandins may regulate the levels of mRNA encoding ADAMTS1 and -9 in theca interna, downstream of the LH surge. Time- and subtype-specific changes in ADAMTS mRNA abundance in vivo, and their regulation in vitro by hormones, indicate that ADAMTS family members produced by theca cells may play important roles in follicle rupture and the accompanying tissue remodeling in cattle. Mol. Reprod. Dev. 84: 55-66, 2017. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Erin L Willis
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
| | - Phillip J Bridges
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
| | - Joanne E Fortune
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
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7
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Li FX, Liu Y, Miao XP, Fu GQ, Curry TE. Expression and regulation of the differentiation regulators ERBB Receptor Feedback Inhibitor 1 (ERRFI1) and Interferon-related Developmental Regulator 1 (IFRD1) during the periovulatory period in the rat ovary. Mol Reprod Dev 2016; 83:714-23. [DOI: 10.1002/mrd.22673] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Accepted: 06/28/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Fei-xue Li
- Zhejiang Key Laboratory of Organ Development and Regeneration, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences; Hangzhou Normal University; Hangzhou China
| | - Ying Liu
- Zhejiang Key Laboratory of Organ Development and Regeneration, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences; Hangzhou Normal University; Hangzhou China
| | - Xiao-ping Miao
- Zhejiang Key Laboratory of Organ Development and Regeneration, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences; Hangzhou Normal University; Hangzhou China
| | - Guo-quan Fu
- Zhejiang Key Laboratory of Organ Development and Regeneration, Institute of Developmental and Regenerative Biology, College of Life and Environmental Sciences; Hangzhou Normal University; Hangzhou China
| | - Thomas E. Curry
- Department of Obstetrics and Gynecology, Chandler Medical Center; University of Kentucky; Lexington Kentucky
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Hall AP, Westwood FR, Wadsworth PF. Review of the Effects of Anti-Angiogenic Compounds on the Epiphyseal Growth Plate. Toxicol Pathol 2016; 34:131-47. [PMID: 16537292 DOI: 10.1080/01926230600611836] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
The formation of new blood vessels from a pre-existing vascular bed, termed “angiogenesis,” is of critical importance for the growth and development of the animal since it is required for the growth of the skeleton during endochondral ossification, development and cycling of the corpus luteum and uterus, and for the repair of tissues during wound healing. “Vasculogenesis,” the de novo formation of blood vessels is also important for the proper function and development of the vascular system in the embryo. New blood vessel formation is a prominent feature and permissive factor in the relentless progression of many human diseases, one of the most important examples of which is neoplasia. It is for this reason that angiogenesis is considered to be one of the hallmarks of cancer. The development of new classes of drugs that inhibit the growth and proper functioning of new blood vessels in vivo is likely to provide significant therapeutic benefit in the treatment of cancer, as well as other conditions where angiogenesis is a strong driver to the disease process. During the preclinical safety testing of these drugs, it is becoming increasingly clear that their in vivo efficacy is reflected in the profile of “expected toxicity” (resulting from pharmacology) observed in laboratory animals, so much so, that this profile of “desired” toxicity may act as a signature for their anti-angiogenic effect. In this article we review the major mechanisms controlling angiogenesis and its role during endochondral ossification. We also review the effects of perturbation of endochondral ossification through four mechanisms—inhibition of vascular endothelial growth factor (VEGF), pp60 c-Src kinase and matrix metalloproteinases as well as disruption of the blood supply with vascular targeting agents. Inhibition through each of these mechanisms appears to have broadly similar effects on the epiphyseal growth plate characterised by thickening due to the retention of hypertrophic chondrocytes resulting from the inhibition of angiogenesis. In contrast, in the metaphysis there are differing effects reflecting the specific role of these targets at this site.
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Affiliation(s)
- Anthony P Hall
- AstraZeneca, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, England.
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Ojima F, Saito Y, Tsuchiya Y, Kayo D, Taniuchi S, Ogoshi M, Fukamachi H, Takeuchi S, Takahashi S. Runx3 transcription factor regulates ovarian functions and ovulation in female mice. J Reprod Dev 2016; 62:479-486. [PMID: 27301496 PMCID: PMC5081735 DOI: 10.1262/jrd.2016-005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We previously demonstrated that the Runx3 transcription factor is expressed in the hypothalami, pituitaries, and ovaries of mice, and that
Runx3 knockout (Runx3−/−) mice are anovulatory and their uteri are atrophic. Runx3 mRNA
expression was detected in the granulosa cells of ovarian follicles, and in the anteroventral periventricular nucleus (AVPV) and arcuate nucleus (ARC). In the
present study, we examined the effects of Runx3 knockout on the gene expression of enzymes associated with steroidogenesis. We found decreased
Cyp11a1 mRNA expression in Runx3−/− mouse ovaries compared with that in wild-type (wt) mouse ovaries at the age
of 8 weeks. In situ hybridization analysis showed that the percentages of Cyp11a1 mRNA-expressing theca cells in follicles of
Runx3−/− mice were decreased compared with those of wt mice. In accord with the alterations in
Runx3−/− mouse ovaries, Kiss1 mRNA levels in ARC were increased, whereas mRNA levels of kisspeptin in AVPV were
decreased, and gonadotropin-releasing hormone in the preoptic area and follicle-stimulating hormone β subunit gene were increased in
Runx3−/− mice. Following an ovarian transplantation experiment between Runx3−/− mice and wt mice,
corpora lutea were observed when ovaries from Runx3−/− mice were transplanted into wt mice, but not when those from wt mice were
transplanted into Runx3−/− mice, suggesting that Runx3 in the hypothalamo-pituitary system may drive gonadotropin release to induce
ovulation in the ovary. These findings indicate that Runx3 plays a crucial role in the hypothalamo-pituitary-gonadal axis.
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Affiliation(s)
- Fumiya Ojima
- The Graduate School of Natural Science and Technology, Okayama University, Okayama 700-8530, Japan
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Nalvarte I, Töhönen V, Lindeberg M, Varshney M, Gustafsson JÅ, Inzunza J. Estrogen receptor β controls MMP-19 expression in mouse ovaries during ovulation. Reproduction 2015; 151:253-9. [PMID: 26700939 DOI: 10.1530/rep-15-0522] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Accepted: 12/22/2015] [Indexed: 02/06/2023]
Abstract
Estrogen receptor beta (ERβ/ESR2) has a central role in mouse ovaries, as ERβ knockout (BERKO) mice are subfertile due to an increase in fibrosis around the maturing follicle and a decrease in blood supply. This has a consequence that these follicles rarely rupture to release the mature oocyte. Matrix metalloproteinases (MMPs) are modulators of the extracellular matrix, and the expression of one specific MMP, MMP-19, is normally increased in granulosa cells during their maturation until ovulation. In this study, we demonstrate that MMP-19 levels are downregulated in BERKO mouse ovaries. Using human MCF-7 cells that overexpress ERβ, we could identify MMP-19 to be a transcriptional target of ligand-bound activated ERβ acting on a specificity protein-1 binding site. These data provide a molecular explanation for the observed follicle rupture defect that contributes to the subfertility of female BERKO mice.
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Affiliation(s)
- Ivan Nalvarte
- Department of Biosciences and NutritionKarolinska Institutet, SE-14183 Huddinge, SwedenCenter for Nuclear Receptors and SignalingUniversity of Houston, Houston, Texas 77204-5056, USA
| | - Virpi Töhönen
- Department of Biosciences and NutritionKarolinska Institutet, SE-14183 Huddinge, SwedenCenter for Nuclear Receptors and SignalingUniversity of Houston, Houston, Texas 77204-5056, USA
| | - Maria Lindeberg
- Department of Biosciences and NutritionKarolinska Institutet, SE-14183 Huddinge, SwedenCenter for Nuclear Receptors and SignalingUniversity of Houston, Houston, Texas 77204-5056, USA
| | - Mukesh Varshney
- Department of Biosciences and NutritionKarolinska Institutet, SE-14183 Huddinge, SwedenCenter for Nuclear Receptors and SignalingUniversity of Houston, Houston, Texas 77204-5056, USA
| | - Jan-Åke Gustafsson
- Department of Biosciences and NutritionKarolinska Institutet, SE-14183 Huddinge, SwedenCenter for Nuclear Receptors and SignalingUniversity of Houston, Houston, Texas 77204-5056, USA Department of Biosciences and NutritionKarolinska Institutet, SE-14183 Huddinge, SwedenCenter for Nuclear Receptors and SignalingUniversity of Houston, Houston, Texas 77204-5056, USA
| | - José Inzunza
- Department of Biosciences and NutritionKarolinska Institutet, SE-14183 Huddinge, SwedenCenter for Nuclear Receptors and SignalingUniversity of Houston, Houston, Texas 77204-5056, USA
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11
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Induction of proteinases in the human preovulatory follicle of the menstrual cycle by human chorionic gonadotropin. Fertil Steril 2014; 103:826-33. [PMID: 25516084 DOI: 10.1016/j.fertnstert.2014.11.017] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2014] [Revised: 11/06/2014] [Accepted: 11/12/2014] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To explore the temporal expression in granulosa and theca cells of key members of the MMP and ADAMTS families across the periovulatory period in women to gain insight into their possible roles during ovulation and early luteinization. DESIGN Experimental prospective clinical study and laboratory-based investigation. SETTING University medical center and private IVF center. ANIMAL AND PATIENT(S) Thirty-eight premenopausal women undergoing surgery for tubal ligation and six premenopausal women undergoing assisted reproductive techniques. INTERVENTION(S) Administration of hCG and harvesting of follicles by laparoscopy and collection of granulosa-lutein cells at oocyte retrieval. MAIN OUTCOME MEASURE(S) Expression of mRNA for matrix metalloproteinase (MMPs) and the A disintegrin and metalloproteinase with thrombospondin-like motifs (ADAMTS) in human granulosa cells and theca cells collected across the periovulatory period of the menstrual cycle and in cultured granulosa-lutein cells after hCG. Localization of MMPs and ADAMTSs by immunohistochemistry. RESULT(S) Expression of MMP1 and MMP19 mRNA increased in both granulosa and theca cells after hCG administration. ADAMTS1 and ADAMTS9 mRNA increased in granulosa cells after hCG treatment, however, thecal cell expression for ADAMTS1 was unchanged, while ADAMTS9 expression was decreased. Expression of MMP8 and MMP13 mRNA was unchanged. Immunohistochemistry confirmed the localization of MMP1, MMP19, ADAMTS1, and ADAMTS9 to the granulosa and thecal cell layers. CONCLUSION(S) The collection of the dominant follicle throughout the periovulatory period has allowed the identification of proteolytic remodeling enzymes in the granulosa and theca compartments that may be critically involved in human ovulation. These proteinases may work in concert to regulate breakdown of the follicular wall and release of the oocyte.
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Zhang G, Li C, Li Q, Li B, Larkin DM, Lee C, Storz JF, Antunes A, Greenwold MJ, Meredith RW, Ödeen A, Cui J, Zhou Q, Xu L, Pan H, Wang Z, Jin L, Zhang P, Hu H, Yang W, Hu J, Xiao J, Yang Z, Liu Y, Xie Q, Yu H, Lian J, Wen P, Zhang F, Li H, Zeng Y, Xiong Z, Liu S, Zhou L, Huang Z, An N, Wang J, Zheng Q, Xiong Y, Wang G, Wang B, Wang J, Fan Y, da Fonseca RR, Alfaro-Núñez A, Schubert M, Orlando L, Mourier T, Howard JT, Ganapathy G, Pfenning A, Whitney O, Rivas MV, Hara E, Smith J, Farré M, Narayan J, Slavov G, Romanov MN, Borges R, Machado JP, Khan I, Springer MS, Gatesy J, Hoffmann FG, Opazo JC, Håstad O, Sawyer RH, Kim H, Kim KW, Kim HJ, Cho S, Li N, Huang Y, Bruford MW, Zhan X, Dixon A, Bertelsen MF, Derryberry E, Warren W, Wilson RK, Li S, Ray DA, Green RE, O'Brien SJ, Griffin D, Johnson WE, Haussler D, Ryder OA, Willerslev E, Graves GR, Alström P, Fjeldså J, Mindell DP, Edwards SV, Braun EL, Rahbek C, Burt DW, Houde P, Zhang Y, Yang H, Wang J, Jarvis ED, Gilbert MTP, Wang J. Comparative genomics reveals insights into avian genome evolution and adaptation. Science 2014; 346:1311-20. [PMID: 25504712 PMCID: PMC4390078 DOI: 10.1126/science.1251385] [Citation(s) in RCA: 672] [Impact Index Per Article: 67.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Birds are the most species-rich class of tetrapod vertebrates and have wide relevance across many research fields. We explored bird macroevolution using full genomes from 48 avian species representing all major extant clades. The avian genome is principally characterized by its constrained size, which predominantly arose because of lineage-specific erosion of repetitive elements, large segmental deletions, and gene loss. Avian genomes furthermore show a remarkably high degree of evolutionary stasis at the levels of nucleotide sequence, gene synteny, and chromosomal structure. Despite this pattern of conservation, we detected many non-neutral evolutionary changes in protein-coding genes and noncoding regions. These analyses reveal that pan-avian genomic diversity covaries with adaptations to different lifestyles and convergent evolution of traits.
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Affiliation(s)
- Guojie Zhang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China. Centre for Social Evolution, Department of Biology, Universitetsparken 15, University of Copenhagen, DK-2100 Copenhagen, Denmark.
| | - Cai Li
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China. Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Qiye Li
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China. Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Bo Li
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Denis M Larkin
- Royal Veterinary College, University of London, London, UK
| | - Chul Lee
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul 151-742, Republic of Korea. Cho and Kim Genomics, Seoul National University Research Park, Seoul 151-919, Republic of Korea
| | - Jay F Storz
- School of Biological Sciences, University of Nebraska, Lincoln, NE 68588, USA
| | - Agostinho Antunes
- Centro de Investigación en Ciencias del Mar y Limnología (CIMAR)/Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Rua dos Bragas, 177, 4050-123 Porto, Portugal. Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal
| | - Matthew J Greenwold
- Department of Biological Sciences, University of South Carolina, Columbia, SC, USA
| | - Robert W Meredith
- Department of Biology and Molecular Biology, Montclair State University, Montclair, NJ 07043, USA
| | - Anders Ödeen
- Department of Animal Ecology, Uppsala University, Norbyvägen 18D, S-752 36 Uppsala, Sweden
| | - Jie Cui
- Marie Bashir Institute for Infectious Diseases and Biosecurity, Charles Perkins Centre, School of Biological Sciences and Sydney Medical School, The University of Sydney, Sydney, NSW 2006, Australia. Program in Emerging Infectious Diseases, Duke-NUS Graduate Medical School, Singapore 169857, Singapore
| | - Qi Zhou
- Department of Integrative Biology University of California, Berkeley, CA 94720, USA
| | - Luohao Xu
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China. College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Hailin Pan
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Zongji Wang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China. School of Bioscience and Bioengineering, South China University of Technology, Guangzhou 510006, China
| | - Lijun Jin
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Pei Zhang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Haofu Hu
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Wei Yang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Jiang Hu
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Jin Xiao
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Zhikai Yang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Yang Liu
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Qiaolin Xie
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Hao Yu
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Jinmin Lian
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Ping Wen
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Fang Zhang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Hui Li
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Yongli Zeng
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Zijun Xiong
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Shiping Liu
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China. School of Bioscience and Bioengineering, South China University of Technology, Guangzhou 510006, China
| | - Long Zhou
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Zhiyong Huang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Na An
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Jie Wang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China. BGI Education Center,University of Chinese Academy of Sciences,Shenzhen, 518083, China
| | - Qiumei Zheng
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Yingqi Xiong
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Guangbiao Wang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Bo Wang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Jingjing Wang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Yu Fan
- Key Laboratory of Animal Models and Human Disease Mechanisms of Chinese Academy of Sciences and Yunnan Province, Kunming Institute of Zoology, Kunming, Yunnan 650223, China
| | - Rute R da Fonseca
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Alonzo Alfaro-Núñez
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Mikkel Schubert
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Ludovic Orlando
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Tobias Mourier
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Jason T Howard
- Department of Neurobiology, Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC 27710, USA
| | - Ganeshkumar Ganapathy
- Department of Neurobiology, Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC 27710, USA
| | - Andreas Pfenning
- Department of Neurobiology, Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC 27710, USA
| | - Osceola Whitney
- Department of Neurobiology, Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC 27710, USA
| | - Miriam V Rivas
- Department of Neurobiology, Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC 27710, USA
| | - Erina Hara
- Department of Neurobiology, Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC 27710, USA
| | - Julia Smith
- Department of Neurobiology, Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC 27710, USA
| | - Marta Farré
- Royal Veterinary College, University of London, London, UK
| | - Jitendra Narayan
- Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Aberystwyth, UK
| | - Gancho Slavov
- Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Aberystwyth, UK
| | | | - Rui Borges
- Centro de Investigación en Ciencias del Mar y Limnología (CIMAR)/Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Rua dos Bragas, 177, 4050-123 Porto, Portugal. Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal
| | - João Paulo Machado
- Centro de Investigación en Ciencias del Mar y Limnología (CIMAR)/Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Rua dos Bragas, 177, 4050-123 Porto, Portugal. Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Universidade do Porto, Portugal
| | - Imran Khan
- Centro de Investigación en Ciencias del Mar y Limnología (CIMAR)/Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Rua dos Bragas, 177, 4050-123 Porto, Portugal. Departamento de Biologia, Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, 4169-007 Porto, Portugal
| | - Mark S Springer
- Department of Biology, University of California Riverside, Riverside, CA 92521, USA
| | - John Gatesy
- Department of Biology, University of California Riverside, Riverside, CA 92521, USA
| | - Federico G Hoffmann
- Department of Biochemistry, Molecular Biology, Entomology and Plant Pathology, Mississippi State University, Mississippi State, MS 39762, USA. Institute for Genomics, Biocomputing and Biotechnology, Mississippi State University, Mississippi State, MS 39762, USA
| | - Juan C Opazo
- Instituto de Ciencias Ambientales y Evolutivas, Facultad de Ciencias, Universidad Austral de Chile, Valdivia, Chile
| | - Olle Håstad
- Department of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Post Office Box 7011, S-750 07, Uppsala, Sweden
| | - Roger H Sawyer
- Department of Biological Sciences, University of South Carolina, Columbia, SC, USA
| | - Heebal Kim
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul 151-742, Republic of Korea. Cho and Kim Genomics, Seoul National University Research Park, Seoul 151-919, Republic of Korea. Department of Agricultural Biotechnology and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul 151-742, Republic of Korea
| | - Kyu-Won Kim
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul 151-742, Republic of Korea
| | - Hyeon Jeong Kim
- Cho and Kim Genomics, Seoul National University Research Park, Seoul 151-919, Republic of Korea
| | - Seoae Cho
- Cho and Kim Genomics, Seoul National University Research Park, Seoul 151-919, Republic of Korea
| | - Ning Li
- State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing 100094, China
| | - Yinhua Huang
- State Key Laboratory for Agrobiotechnology, China Agricultural University, Beijing 100094, China. College of Animal Science and Technology, China Agricultural University, Beijing 100094, China
| | - Michael W Bruford
- Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AX, Wales, UK
| | - Xiangjiang Zhan
- Organisms and Environment Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AX, Wales, UK. Key Lab of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101 China
| | - Andrew Dixon
- International Wildlife Consultants, Carmarthen SA33 5YL, Wales, UK
| | - Mads F Bertelsen
- Centre for Zoo and Wild Animal Health, Copenhagen Zoo, Roskildevej 38, DK-2000 Frederiksberg, Denmark
| | - Elizabeth Derryberry
- Department of Ecology and Evolutionary Biology, Tulane University, New Orleans, LA, USA. Museum of Natural Science, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Wesley Warren
- The Genome Institute at Washington University, St. Louis, MO 63108, USA
| | - Richard K Wilson
- The Genome Institute at Washington University, St. Louis, MO 63108, USA
| | - Shengbin Li
- College of Medicine and Forensics, Xi'an Jiaotong University, Xi'an, 710061, China
| | - David A Ray
- Institute for Genomics, Biocomputing and Biotechnology, Mississippi State University, Mississippi State, MS 39762, USA
| | - Richard E Green
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA 95064, USA
| | - Stephen J O'Brien
- Theodosius Dobzhansky Center for Genome Bioinformatics, St. Petersburg State University, St. Petersburg, Russia. Nova Southeastern University Oceanographic Center 8000 N Ocean Drive, Dania, FL 33004, USA
| | - Darren Griffin
- School of Biosciences, University of Kent, Canterbury CT2 7NJ, UK
| | - Warren E Johnson
- Smithsonian Conservation Biology Institute, National Zoological Park, 1500 Remount Road, Front Royal, VA 22630, USA
| | - David Haussler
- Department of Biomolecular Engineering, University of California, Santa Cruz, CA 95064, USA
| | - Oliver A Ryder
- Genetics Division, San Diego Zoo Institute for Conservation Research, 15600 San Pasqual Valley Road, Escondido, CA 92027, USA
| | - Eske Willerslev
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Gary R Graves
- Department of Vertebrate Zoology, MRC-116, National Museum of Natural History, Smithsonian Institution, Post Office Box 37012, Washington, DC 20013-7012, USA. Center for Macroecology, Evolution and Climate, the Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen O, Denmark
| | - Per Alström
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing 100101, China. Swedish Species Information Centre, Swedish University of Agricultural Sciences, Box 7007, SE-750 07 Uppsala, Sweden
| | - Jon Fjeldså
- Center for Macroecology, Evolution and Climate, the Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen O, Denmark
| | - David P Mindell
- Department of Biochemistry & Biophysics, University of California, San Francisco, CA 94158, USA
| | - Scott V Edwards
- Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, USA
| | - Edward L Braun
- Department of Biology and Genetics Institute, University of Florida, Gainesville, FL 32611, USA
| | - Carsten Rahbek
- Center for Macroecology, Evolution and Climate, the Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, DK-2100 Copenhagen O, Denmark. Imperial College London, Grand Challenges in Ecosystems and the Environment Initiative, Silwood Park Campus, Ascot, Berkshire SL5 7PY, UK
| | - David W Burt
- Division of Genetics and Genomics, The Roslin Institute and Royal (Dick) School of Veterinary Studies, The Roslin Institute Building, University of Edinburgh, Easter Bush Campus, Midlothian EH25 9RG, UK
| | - Peter Houde
- Department of Biology, New Mexico State University, Box 30001 MSC 3AF, Las Cruces, NM 88003, USA
| | - Yong Zhang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Huanming Yang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China. Macau University of Science and Technology, Avenida Wai long, Taipa, Macau 999078, China
| | - Jian Wang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China
| | - Erich D Jarvis
- Department of Neurobiology, Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC 27710, USA.
| | - M Thomas P Gilbert
- Centre for GeoGenetics, Natural History Museum of Denmark, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark. Trace and Environmental DNA Laboratory, Department of Environment and Agriculture, Curtin University, Perth, Western Australia, 6102, Australia.
| | - Jun Wang
- China National GeneBank, Beijing Genomics Institute (BGI)-Shenzhen, Shenzhen, 518083, China. Macau University of Science and Technology, Avenida Wai long, Taipa, Macau 999078, China. Department of Biology, University of Copenhagen, Ole Maaløes Vej 5, 2200 Copenhagen, Denmark. Princess Al Jawhara Center of Excellence in the Research of Hereditary Disorders, King Abdulaziz University, Jeddah 21589, Saudi Arabia. Department of Medicine, University of Hong Kong, Hong Kong.
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Silva JF, Ocarino NM, Vieira ALS, Nascimento EF, Serakides R. Effects of hypo- and hyperthyroidism on proliferation, angiogenesis, apoptosis and expression of COX-2 in the corpus luteum of female rats. Reprod Domest Anim 2013; 48:691-8. [PMID: 23369109 DOI: 10.1111/rda.12149] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Accepted: 01/03/2013] [Indexed: 11/27/2022]
Abstract
Although thyroid dysfunction occurs frequently in humans and some animal species, the mechanisms by which hypo- and hyperthyroidism affect the corpus luteum have not been thoroughly elucidated. This study evaluated the levels of proliferative activity, angiogenesis, apoptosis and expression of cyclooxygenase-2 in the corpus luteum of female rats with thyroid dysfunction. These processes may be important in understanding the reproductive changes caused by thyroid dysfunction. A total of 18 adult female rats were divided into three groups (control, hypothyroid and hyperthyroid) with six animals per group. Three months after treatment to induce thyroid dysfunction, the rats were euthanized in the dioestrus phase. The ovaries were collected and immunohistochemically analysed for expression of the cell proliferation marker CDC-47, vascular endothelial growth factor (VEGF), VEGF receptor Flk-1 and cyclooxygenase-2 (COX-2). Apoptosis was evaluated using the TUNEL assay. Hypothyroidism reduced the intensity and area of COX-2 expression in the corpus luteum (p < 0.05), while hyperthyroidism did not alter COX-2 expression in the dioestrus phase. Hypothyroidism significantly reduced the expression of CDC-47 in endothelial cells and pericytes in the corpus luteum, whereas hyperthyroidism did not induce a detectable change in CDC-47 expression (p > 0.05). Hypothyroidism reduced the level of apoptosis in luteal cells (p < 0.05) and increased VEGF expression in the corpus luteum. In contrast, hyperthyroidism increased the level of apoptosis in the corpus luteum (p < 0.05). In conclusion, thyroid dysfunction differentially affects the levels of proliferative activity, angiogenesis and apoptosis and COX-2 expression in the corpus luteum of female rats.
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Affiliation(s)
- J F Silva
- Departamento de Clínica e Cirurgia Veterinária, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
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Babbitt CC, Tung J, Wray GA, Alberts SC. Changes in gene expression associated with reproductive maturation in wild female baboons. Genome Biol Evol 2011; 4:102-9. [PMID: 22155733 PMCID: PMC3273164 DOI: 10.1093/gbe/evr134] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Changes in gene expression during development play an important role in shaping morphological and behavioral differences, including between humans and nonhuman primates. Although many of the most striking developmental changes occur during early development, reproductive maturation represents another critical window in primate life history. However, this process is difficult to study at the molecular level in natural primate populations. Here, we took advantage of ovarian samples made available through an unusual episode of human-wildlife conflict to identify genes that are important in this process. Specifically, we used RNA sequencing (RNA-Seq) to compare genome-wide gene expression patterns in the ovarian tissue of juvenile and adult female baboons from Amboseli National Park, Kenya. We combined this information with prior evidence of selection occurring on two primate lineages (human and chimpanzee). We found that in cases in which genes were both differentially expressed over the course of ovarian maturation and also linked to lineage-specific selection this selective signature was much more likely to occur in regulatory regions than in coding regions. These results suggest that adaptive change in the development of the primate ovary may be largely driven at the mechanistic level by selection on gene regulation, potentially in relationship to the physiology or timing of female reproductive maturation.
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Affiliation(s)
- Courtney C. Babbitt
- Department of Biology, Duke University
- Institute for Genome Sciences & Policy, Duke University
- Corresponding author: E-mail:
| | - Jenny Tung
- Department of Evolutionary Anthropology, Duke University
| | - Gregory A. Wray
- Department of Biology, Duke University
- Institute for Genome Sciences & Policy, Duke University
- Department of Evolutionary Anthropology, Duke University
| | - Susan C. Alberts
- Department of Biology, Duke University
- Institute for Genome Sciences & Policy, Duke University
- Department of Evolutionary Anthropology, Duke University
- Institute of Primate Research, National Museums of Kenya, Nairobi, Kenya
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Peluffo MC, Murphy MJ, Baughman ST, Stouffer RL, Hennebold JD. Systematic analysis of protease gene expression in the rhesus macaque ovulatory follicle: metalloproteinase involvement in follicle rupture. Endocrinology 2011; 152:3963-74. [PMID: 21791558 PMCID: PMC3176652 DOI: 10.1210/en.2011-1172] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Protease genes were identified that exhibited increased mRNA levels before and immediately after rupture of the naturally selected, dominant follicle of rhesus macaques at specific intervals after an ovulatory stimulus. Quantitative real-time PCR validation revealed increased mRNA levels for matrix metalloproteinase (MMP1, MMP9, MMP10, and MMP19) and a disintegrin and metalloproteinase with thrombospondin-like repeats (ADAMTS1, ADAMTS4, ADAMTS9, and ADAMTS15) family members, the cysteine protease cathepsin L (CTSL), the serine protease urokinase-type plasminogen activator (PLAU), and the aspartic acid protease pepsinogen 5 (PGA5). With the exception of MMP9, ADAMTS1, and PGA5, mRNA levels for all other up-regulated proteases increased significantly (P < 0.05) 12 h after an ovulatory human chorionic gonadotropin (hCG) bolus. MMP1, -10, and -19; ADAMTS1, -4, and -9; CTSL; PLAU; and PGA5 also exhibited a secondary increase in mRNA levels in 36-h postovulatory follicles. To further determine metalloproteinase involvement in ovulation, vehicle (n = 4) or metalloproteinase inhibitor (GM6001, 0.5 μg/follicle, n = 8) was injected into the preovulatory follicle at the time of hCG administration. Of the eight GM6001-injected follicles, none displayed typical stigmata indicative of ovulation at 72 h after hCG; whereas all four vehicle-injected follicles ovulated. No significant differences in mean luteal progesterone levels or luteal phase length occurred between the two groups. Subsequent histological analysis revealed that vehicle-injected follicles ruptured, whereas GM6001-injected follicles did not, as evidenced by an intact stroma and trapped oocytes (n = 3). These findings demonstrate metalloproteinases are critical for follicle rupture in primates, and blocking their activity would serve as a novel, nonhormonal means to achieve contraception.
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Affiliation(s)
- Marina C Peluffo
- Division of Reproductive Sciences, Oregon National Primate Research Center, Oregon Health and Science University, 505 NW 185th Avenue, Beaverton, Oregon 97006, USA
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Zhao S, Zhao Y, Niu P, Wang N, Tang Z, Zan L, Li K. Molecular characterization of porcine MMP19 and MMP23B genes and its association with immune traits. Int J Biol Sci 2011; 7:1101-13. [PMID: 21927579 PMCID: PMC3174387 DOI: 10.7150/ijbs.7.1101] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2011] [Accepted: 07/03/2011] [Indexed: 12/28/2022] Open
Abstract
MMP19 and MMP23B belong to the Matrix metalloproteases (MMPs) family, which are zinc-binding endopeptidases that are capable of degrading various components of the extracellular matrix. They are thought to play important roles in embryonic development, reproduction and tissue remodeling, as well as in cell proliferation, differentiation, migration, angiogenesis, apoptosis and host defense. However, they are poorly understood in pigs. Here, we obtained the full length coding region sequence and genomic sequence of the porcine MMP19 and MMP23B genes and analyzed their genomic structures. The deduced amino acid sequence shares similar precursor protein domains with human and mouse MMP19 and MMP23B protein, respectively. Using IMpRH panel, MMP19 was mapped to SSC5p12-q11 (closely linked to microsatellite DK) and MMP23B was mapped to SSC8q11-q12 (linked to microsatellite Sw2521). Quantitative real-time PCR showed that MMP19 was abundantly expressed in the liver, while MMP23B was strongly expressed in the ovarian and heart. Furthermore, both genes were all expressed increasingly in prenatal skeletal muscle during development. Three SNPs were detected by sequencing and PCR-RFLP methods, and association analysis indicated that C203T at exon 5 of MMP19 has a significant association with the blood parameters WBC (G/L) and IgG2 (mg/mL) (P<0.05), SNP C131T at exon 3 of MMP23B is significantly associated with the blood parameters HGB (g/L) and MCH (P<0.05), and A150G in exon 4 has no significant association with the economic traits in pigs.
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Affiliation(s)
- Shuanping Zhao
- College of Animal Science and Technology, Northwest A & F University, No. 22 Xinong Road, 712100 Yangling, Shaanxi, China
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17
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Oakley OR, Frazer ML, Ko C. Pituitary-ovary-spleen axis in ovulation. Trends Endocrinol Metab 2011; 22:345-52. [PMID: 21600783 PMCID: PMC3161174 DOI: 10.1016/j.tem.2011.04.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2010] [Revised: 04/05/2011] [Accepted: 04/07/2011] [Indexed: 01/08/2023]
Abstract
Leukocytes are rapidly recruited to the preovulatory ovary and play a crucial role as facilitators of ovulation and luteal formation. In this article, recent findings on leukocyte trafficking to the ovary, as well as the physiological role of leukocytes in the ovary, will be summarized and discussed. We then explore the novel hypothesis that the hypothalamus-pituitary-ovary (HPO) axis might include the spleen as a reservoir of leukocytes by summarizing recent reports on this topic, both in the fields of immunology and reproductive biology.
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Affiliation(s)
- Oliver R Oakley
- Division of Clinical and Reproductive Sciences, Department of Clinical Sciences, College of Health Sciences, University of Kentucky, Lexington, Kentucky 40536, USA
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18
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Kelty BP, Curry TE. Ovarian furin (proprotein convertase subtilisin/kexin type3): expression, localization, and potential role in ovulation in the rat. Biol Reprod 2010; 83:147-54. [PMID: 20375258 DOI: 10.1095/biolreprod.109.079947] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
The process of ovulation involves weakening of the follicular wall by proteolytic enzymes. The function of FURIN (also known as PCSK3) is to activate various proteolytic enzymes. In the present study, the expression, localization, and function of FURIN were investigated in the periovulatory rat ovary. Immature female rats were injected with equine chorionic gonadotropin followed by human chorionic gonadotropin (hCG) 48 h later to stimulate ovulation. Ovaries were collected at 0, 4, 8, 12, and 24 h after hCG injection. Administration of hCG increased Furin mRNA expression in both intact ovaries and cultured ovarian follicles to maximal levels at 8 and 12 h before decreasing at 24 h. In cultured granulosa cells, Furin mRNA levels were significantly induced at 12 h after hCG. In situ hybridization of Furin mRNA demonstrated expression in the granulosa cells, with predominant expression in the theca layer. Regulation studies demonstrated that Furin mRNA was induced in residual tissue by forskolin or amphiregulin. To examine the role of FURIN in protease activation and ovulation, rats were treated with a FURIN inhibitor and oocyte release was determined. There was a 38% decrease in the number of oocytes released in ovaries treated with the FURIN inhibitor. Likewise, the FURIN inhibitor decreased the activation of MMP2. The induction of Furin mRNA after treatment with hCG, along with the decrease in MMP2 activation and oocyte release after FURIN inhibition, supports the hypothesis that FURIN is upregulated during the preovulatory period, which results in activation of proteinases associated with the breakdown of the follicular wall during ovulation.
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Affiliation(s)
- Brian P Kelty
- Department of Obstetrics and Gynecology, Chandler Medical Center, University of Kentucky, 800 Rose Street, Lexington, KY 40536, USA
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19
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Li F, Liu J, Park ES, Jo M, Curry TE. The B cell translocation gene (BTG) family in the rat ovary: hormonal induction, regulation, and impact on cell cycle kinetics. Endocrinology 2009; 150:3894-902. [PMID: 19359386 PMCID: PMC2717857 DOI: 10.1210/en.2008-1650] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The B cell translocation gene (BTG) family regulates gene transcription and cellular differentiation and inhibits proliferation. The present study investigated the spatiotemporal expression pattern of BTG members and their potential role in the rat ovary during the periovulatory period. Immature female rats (22-23 d old) were injected with pregnant mare serum gonadotropin to stimulate follicular development. Ovaries or granulosa cells were collected at various times after hCG administration (n = 3 per time point). Real-time PCR analysis revealed that mRNA for Btg1, Btg2, and Btg3 were highly induced both in intact ovaries and granulosa cells by 4-8 h after hCG treatment, although their temporal expression patterns differed. In situ hybridization analysis demonstrated that Btg1 mRNA expression was highly induced in theca cells at 4 h after hCG, primarily localized to granulosa cells at 8 h, and decreased at 24 h. Btg2 and Btg3 mRNA was also induced in granulosa cells; however, Btg2 mRNA was observed in newly forming corpora lutea. Inhibition of progesterone action and the epidermal growth factor pathway did not change Btg1 and Btg2 mRNA expression, whereas inhibition of prostaglandin synthesis or RUNX activity diminished Btg2 mRNA levels. Overexpression of BTG1 or BTG2 arrested granulosa cells at the G0/G1 phase of the cell cycle and decreased cell apoptosis. In summary, hCG induced Btg1, Btg2, and Btg3 mRNA expression predominantly in the granulosa cell compartment. Our findings suggest that the induction of the BTG family may be important for theca and granulosa cell differentiation into luteal cells by arresting cell cycle progression.
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Affiliation(s)
- Feixue Li
- Department of Obstetrics and Gynecology, Chandler Medical Center, University of Kentucky, Lexington, Kentucky 40536-0298, USA
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20
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Berisha B, Steffl M, Welter H, Kliem H, Meyer HHD, Schams D, Amselgruber W. Effect of the luteinising hormone surge on regulation of vascular endothelial growth factor and extracellular matrix-degrading proteinases and their inhibitors in bovine follicles. Reprod Fertil Dev 2008; 20:258-68. [PMID: 18255015 DOI: 10.1071/rd07125] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2007] [Accepted: 11/05/2007] [Indexed: 11/23/2022] Open
Abstract
The aim of the present study was to evaluate the pattern of regulation of vascular endothelial growth factor (VEGF)-A (isoforms 121, 165, 189), VEGF receptor tyrosine kinases (VEGF-R1 and VEGF-R2), matrix metalloproteinase (MMP)-1, MMP-2, MMP-14, MMP-19, tissue-specific inhibitor of metalloproteinases (TIMP)-1, TIMP-2, tissue plasminogen activator (tPA), urokinase plasminogen activator (uPA), urokinase plasminogen activator receptor (uPAR) and plasminogen activator inhibitor-1 (PAI-1) in time-defined follicle classes before (0 h) and after the application of gonadotrophin-releasing hormone (GnRH). Bovine ovaries containing periovulatory follicles or new corpora lutea (CL; Days 1-2) were collected 0, 4, 10, 20 and 25 h (follicles) or 60 h (CL) after the injection of GnRH. Transcripts of VEGF isoforms (VEGF(121), VEGF(165), VEGF(189)) were upregulated 4 h after GnRH injection (during the luteinising hormone (LH) surge) and decreased thereafter to lowest levels around ovulation. All VEGF isoforms and their receptors were upregulated again after ovulation. The VEGF peptide concentration in follicular fluid decreased 20 h after GnRH injection, followed by an increase in follicles 25 h after GnRH. Expression of MMP-1 mRNA increased rapidly 4 h after GnRH injection and remained high during the entire experimental period. In contrast, MMP-19 mRNA increased significantly only after ovulation. Expression of TIMP-1 mRNA increased 4 h after GnRH and again after ovulation. Expression of tPA mRNA increased 4 h after GnRH and remained high during the entire experimental period, whereas expression of uPA transcripts increased significantly only after ovulation. Both uPAR and PAI-1 mRNA levels increased in follicles 4 h after GnRH and again after ovulation. The amount of MMP-1 protein (immunolocalisation) increased in follicles 10 h after GnRH: additional staining was observed in the granulosa cell layer. In conclusion, the temporal and spatial pattern of regulation of VEGF and extracellular matrix-degrading proteinases during periovulation suggests they are important mediators of the LH-dependent rupture of bovine follicles and for early CL formation (angiogenesis).
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Affiliation(s)
- Bajram Berisha
- Physiology Weihenstephan, Technical University of Munich, Weihenstephaner Berg 3, 85354 Freising, Germany.
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21
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Woods DC, Johnson AL. Protein kinase C activity mediates LH-induced ErbB/Erk signaling in differentiated hen granulosa cells. Reproduction 2007; 133:733-41. [PMID: 17504917 DOI: 10.1530/rep-06-0261] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
While there is accumulating evidence that mitogen-activated protein kinase/Erk and protein kinase C (PKC) signaling inhibits premature differentiation of granulosa cells in hen prehierarchal follicles, it has only recently been established that these signaling pathways play an important facilitory role in promoting steroidogenesis in differentiated granulosa cells from preovulatory follicles. The present studies were conducted with differentiated granulosa cells to establish the ability of LH to initiate PKC activity, and the subsequent requirement for PKC activity in promoting the ErbB/Erk signaling cascade that ultimately facilitates LH-induced progesterone production. Incubation of differentiated granulosa cells with LH increases PKC activity within 15 min, and latently promotes Erk phosphorylation (P-Erk) by 180 min. Inhibition of PKC activity with GF109203X attenuates LH- and 8-bromo-cAMP (8-br-cAMP)-induced P-Erk, but not P-Erk promoted by an epidermal growth factor (EGF) family ligand (e.g., transforming growth factor alpha). Importantly, inhibition of PKC activity also blocks the LH-induced increase in the autocrine expression of mRNA encoding the EGF family ligands, such as EGF, amphiregulin, and betacellulin. Furthermore, inhibition of EGF ligand shedding at the level of the cell membrane using the matrix metalloprotease activity inhibitor, GM6001, prevents both LH- and 8-br-cAMP-induced P-Erk and progesterone production. These findings provide evidence for a facilitory role of PKC and ErbB/Erk signaling in LH-induced progesterone production, place the requirement for PKC activation upstream of ErbB/Erk activity, and demonstrate for the first time in a non-mammalian vertebrate the requirement for PKC activity in LH-induced expression of EGF family ligands in granulosa cells.
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Affiliation(s)
- Dori C Woods
- Department of Biological Sciences, The University of Notre Dame, PO Box 369, Notre Dame, Indiana 46556, USA
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22
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Kliem H, Welter H, Kraetzl WD, Steffl M, Meyer HHD, Schams D, Berisha B. Expression and localisation of extracellular matrix degrading proteases and their inhibitors during the oestrous cycle and after induced luteolysis in the bovine corpus luteum. Reproduction 2007; 134:535-47. [PMID: 17709571 DOI: 10.1530/rep-06-0172] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The corpus luteum (CL) offers the opportunity to study high proliferative processes during its development and degradation processes during its regression. We examined the mRNA expression of matrix metalloproteases (MMP)-1, MMP-2, MMP-9, MMP-14, MMP-19, tissue inhibitor of MMP (TIMP)-1, TIMP-2, tissue plasminogen activator (tPA), urokinase plasminogen activator (uPA), uPA-receptor (uPAR), PA-inhibitors (PAI)-1, PAI-2 in follicles 20 h after GnRH application, CLs during days 1–2, 3–4, 5–7 and 8–12 of the oestrous cycle as well as after induced luteolysis. Cows in the mid-luteal phase were injected with Cloprostenol and the CLs were collected at 0.5, 2, 4, 12, 24, 48 and 64 h after PGF2α injection. Real-time RT-PCR determined mRNA expressions. Expression from 20 h after GnRH to day 12: MMP-1, MMP-2, MMP-14 and tPA showed a clear expression, but no regulation. TIMP-1 and uPAR mRNA increased when compared with the follicular phase. TIMP-2, MMP-9, MMP-19 and uPA increased from the follicular phase to days 8–12. PAI-1 and PAI-2 expression increased from days 1–7 and decreased to days 8–12. Induced luteolysis: MMP-1, MMP-2, MMP-9, MMP-14, MMP-19 and TIMP-1 all increased at different time points and intensities, whereas TIMP-2 was constantly decreased from 24 to 64 h. The plasminogen activator system and their inhibitors were up-regulated from 2 to 64 h, tPA was already increased after 0.5 h. Immunohistochemistry for MMP-1, MMP-2, MMP-14: an increased staining for MMP-1 and MMP-14 was seen in large luteal cells beginning 24 h after PGF2α application. MMP-2 showed a strong increase in staining in endothelial cells at 48 h.
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Affiliation(s)
- H Kliem
- Physiology Weihenstephan, Technical University Munich, 85354 Freising, Germany
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23
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Russell DL, Robker RL. Molecular mechanisms of ovulation: co-ordination through the cumulus complex. Hum Reprod Update 2007; 13:289-312. [PMID: 17242016 DOI: 10.1093/humupd/dml062] [Citation(s) in RCA: 275] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Successful ovulation requires that developmentally competent oocytes are released with appropriate timing from the ovarian follicle. Somatic cells of the follicle sense the ovulatory stimulus and guide resumption of meiosis and release of the oocyte, as well as structural remodelling and luteinization of the follicle. Complex intercellular communication co-ordinates critical stages of oocyte maturation and links this process with release from the follicle. To achieve these outcomes, ovulation is controlled through multiple inputs, including endocrine hormones, immune and metabolic signals, as well as intrafollicular paracrine factors from the theca, mural and cumulus granulosa cells and the oocyte itself. This review focuses on the recent advances in understanding of molecular mechanisms that commence after the gonadotrophin surge and culminate with release of the oocyte. These mechanisms include intracellular signalling, gene regulation and remodelling of tissue structure in each of the distinct ovarian compartments. Most critical ovulatory mediators exert effects through the cumulus cell complex that surrounds and connects with the oocyte. The convergence of ovulatory signals through the cumulus complex co-ordinates the key mechanistic processes that mediate and control oocyte maturation and ovulation.
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Affiliation(s)
- Darryl L Russell
- Research Centre for Reproductive Health, School of Paediatrics and Reproductive Health, The University of Adelaide, Adelaide, South Australia, Australia.
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24
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Liu K, Wahlberg P, Leonardsson G, Hägglund AC, Ny A, Bodén I, Wibom C, Lund LR, Ny T. Successful ovulation in plasminogen-deficient mice treated with the broad-spectrum matrix metalloproteinase inhibitor galardin. Dev Biol 2006; 295:615-22. [PMID: 16712832 DOI: 10.1016/j.ydbio.2006.03.046] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2005] [Revised: 03/06/2006] [Accepted: 03/30/2006] [Indexed: 10/24/2022]
Abstract
Many studies have suggested the hypothesis that the plasminogen activator (PA) system and the matrix metalloproteinase (MMP) system, either separately or in combination, may provide the proteolytic activity that is required for rupture of the follicular wall at the time of ovulation. Our recent studies on ovulation in plasminogen (plg)-deficient mice have, however, shown that plasmin is not required for normal ovulation, leading us to the hypothesis that MMPs may be a more important source of proteolysis for this process. To investigate the role of MMPs and also the possibility of a functional overlap or synergy between the MMP and PA systems during ovulation, we have studied ovulation efficiency in wild-type and plg-deficient mice treated with the broad-spectrum MMP inhibitor galardin. We found that in both wild-type mice and heterozygous plg-deficient (plg+/-) mice that had been treated with galardin prior to ovulation, there was a mild (18-20%) reduction in ovulation efficiency. Surprisingly, galardin treatment of plg-deficient (plg-/-) mice only caused an additional 14% reduction in ovulation efficiency as compared to vehicle-treated plg-/- mice. Our data therefore suggest that although MMPs may play a role in degradation of the follicular wall, they may not be obligatory for ovulation. In contrast to previous studies on tissue remodeling during wound healing and placental development, we have demonstrated that there is no obvious functional overlap or synergy between the PA and MMP systems, which has previously been thought to be essential for the ovulatory process.
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Affiliation(s)
- Kui Liu
- Department of Medical Biochemistry and Biophysics, Umeå University, SE-901 87 Umeå, Sweden
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25
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Donadeu FX, Ascoli M. The differential effects of the gonadotropin receptors on aromatase expression in primary cultures of immature rat granulosa cells are highly dependent on the density of receptors expressed and the activation of the inositol phosphate cascade. Endocrinology 2005; 146:3907-16. [PMID: 15919743 PMCID: PMC1262674 DOI: 10.1210/en.2005-0403] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Signaling pathways mediating the divergent effects of FSH and LH on aromatase in immature rat granulosa cells were studied by infecting cells with increasing amounts of adenoviral vectors for the human LH receptor (hLHR) or FSH receptor (hFSHR). Increasing amounts of Ad-hLHR, used at a multiplicity of infection (MOI) of 20 or 200 viable viral particles/cell, increased human chorionic gonadotropin (hCG) binding and hCG-induced cAMP and Akt phosphorylation, but inositol phosphates only increased in response to hCG in cells infected with 200 MOI Ad-hLHR. In contrast, hCG increased aromatase expression in cells infected with 20, but not in cells infected with 200, MOI Ad-hLHR. Cells infected with 20 or 200 MOI Ad-hFSHR showed increased hFSH binding and hFSH-induced Akt phosphorylation, but the hFSH-induced cAMP response was unchanged relative to control cells. However, hFSH was able to stimulate the inositol phosphate cascade in the Ad-hFSHR-infected cells, and the hFSH induction of aromatase was abolished. We also found that activation of C kinase or expression of a constitutively active form of Galphaq inhibited the induction of aromatase by hFSH or 8Br-cAMP. We conclude that the differential effects of FSH and LH on aromatase in immature granulosa cells are highly dependent on gonadotropin receptor density and on the signaling pathways activated. We propose that aromatase is induced by common signals generated by activation of the FSHR and LHR (possibly cAMP and Akt) and that the activation of the inositol phosphate cascade in cells expressing a high density of LHR or FSHR antagonizes this induction.
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Affiliation(s)
| | - Mario Ascoli
- Address correspondence to: Dr. Mario Ascoli, Department of Pharmacology, Carver College of Medicine, 2-319B BSB, 51 Newton Road, The University of Iowa, Iowa City, IA 52242, Phone 319-335-9907, Fax 319-335-8930, Email
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Ohnishi J, Ohnishi E, Shibuya H, Takahashi T. Functions for proteinases in the ovulatory process. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2005; 1751:95-109. [PMID: 15950557 DOI: 10.1016/j.bbapap.2005.05.002] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2004] [Revised: 04/19/2005] [Accepted: 05/03/2005] [Indexed: 11/23/2022]
Abstract
The ovary is a unique and dynamic organ in respect to rapid and extensive degrees of tissue development and remodeling that are periodically repeated in the female reproductive activity. Ovulation is a directed and sequential process accompanied by broad-spectrum proteolysis and culminates in the follicular rupture to release the matured oocyte. This review will focus on the potential roles of six representative proteinases that are involved in various aspects of ovulatory processes: matrix metalloproteinases (MMPs), plasminogen activator (PA)/plasmin, a disintegrin and metalloproteinase domain with thrombospondin motif (ADAMTS), cathepsin-L, pregnancy-associated plasma protein-A (PAPP-A), and bone morphogenetic protein 1/mammalian Tolloid (BMP-1/mTld). Based on the studies of expression and function, these selected proteinases provide and share diverse functions ranging from cleaving components of the extracellular matrix (ECM) to modulating non-ECM molecules, such as various growth factors and their binding proteins. Consistently, the genetic deletion of each individual gene in mice shows their functional overlap in the reproductive activity.
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Affiliation(s)
- Junji Ohnishi
- Department of Molecular Cell Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo 101-0062, Japan; Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan
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27
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Ogiwara K, Takano N, Shinohara M, Murakami M, Takahashi T. Gelatinase A and membrane-type matrix metalloproteinases 1 and 2 are responsible for follicle rupture during ovulation in the medaka. Proc Natl Acad Sci U S A 2005; 102:8442-7. [PMID: 15941829 PMCID: PMC1150835 DOI: 10.1073/pnas.0502423102] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Identification of the hydrolytic enzymes involved in follicle rupture during vertebrate ovulation remains a central challenge for research in reproductive biology. Here, we report a previously uncharacterized approach to this problem by using an in vitro ovulation system in the medaka, Oryzias latipes, which is a small freshwater teleost. We found that follicle rupture in the medaka ovary involves the cooperation of at least three matrix metalloproteinases (MMPs), together with the tissue inhibitor of metalloproteinase-2b protein. We determined the discrete roles of each of these proteins during follicle rupture. Our results indicated that gelatinase A induces the hydrolysis of type IV collagen constituting the basement membrane, membrane-type 2 MMP degrades type I collagen present in the theca cell layer, and MT1-MMP and the tissue inhibitor of metalloproteinase-2b are involved in the production and regulation of gelatinase A. These findings will help clarify the mechanism of follicle wall degradation during ovulation in mammalian species.
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Affiliation(s)
- Katsueki Ogiwara
- Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan
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