Difference between revisions of "ANAT2341 Lab 2"

From Embryology
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==2. Guest Lecturer - A/Prof Robert Gilchrist ==
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==2. Guest Lecturer - Prof Robert Gilchrist ==
 
[[File:Oocyte BMP15 and GDF9 effects.jpg|thumb|Oocyte BMP15 and GDF9 effects PMID 25058588]]
 
[[File:Oocyte BMP15 and GDF9 effects.jpg|thumb|Oocyte BMP15 and GDF9 effects PMID 25058588]]
 
{|
 
{|
  
| [[File:Rob Gilchrist.jpg|left|150px|alt=Associate Professor Robert Gilchrist|link=https://research.unsw.edu.au/people/associate-professor-robert-bruce-gilchrist]]  
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| [[File:Rob Gilchrist.jpg|left|150px|alt=Associate Professor Robert Gilchrist|link=https://research.unsw.edu.au/people/professor-robert-bruce-gilchrist]]  
  
A/Prof Robert Gilchrist
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[https://research.unsw.edu.au/people/professor-robert-bruce-gilchrist Prof Robert Gilchrist]
 
| '''The Reproductive Technology Revolution'''
 
| '''The Reproductive Technology Revolution'''
 
<br><br>
 
<br><br>
 
Dr Gilchristis head of the Oocyte Biology Research Unit (UNSW) his primary research interests are in the regulation of mammalian oocyte development and maturation, and the development of novel oocyte maturation techniques for infertility treatment.  
 
Dr Gilchristis head of the Oocyte Biology Research Unit (UNSW) his primary research interests are in the regulation of mammalian oocyte development and maturation, and the development of novel oocyte maturation techniques for infertility treatment.  
 +
  
 
[[Media:2017 Anatomy IVF and embryology lab.pdf|Lecture Slides]]
 
[[Media:2017 Anatomy IVF and embryology lab.pdf|Lecture Slides]]
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<br><br>
 
<br><br>
  
Links: [https://research.unsw.edu.au/people/associate-professor-robert-bruce-gilchrist UNSW Research Gateway] |  [http://www.ncbi.nlm.nih.gov/pubmed/?term=Gilchrist+R%5BAuthor%5D PubMed]
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Links: [https://research.unsw.edu.au/people/professor-robert-bruce-gilchrist UNSW Research Gateway] |  [http://www.ncbi.nlm.nih.gov/pubmed/?term=Gilchrist+R%5BAuthor%5D PubMed]
 
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|-
 
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:"The cyclic nucleotides, cAMP and cGMP, are the key molecules controlling mammalian oocyte meiosis. Their roles in oocyte biology have been at the forefront of oocyte research for decades and many of the long standing controversies in relation to the regulation of oocyte meiotic maturation are now resolved. It is now clear that the follicle prevents meiotic resumption through the actions of natriuretic peptides and cGMP inhibiting the hydrolysis of intra-oocyte cAMP and that the preovulatory gonadotrophin surge reverses these processes. The gonadotrophin surge also leads to a transient spike in cAMP in the somatic compartment of the follicle; research over the past 2 decades has conclusively demonstrated that this surge in cAMP is important for the subsequent developmental capacity of the oocyte. This is important, as oocyte in vitro maturation (IVM) systems practiced clinically do not recapitulate this cAMP surge in vitro, possibly accounting for the lower efficiency of IVM compared to clinical IVF. This review focuses in particular on this latter aspect - the role of cAMP/cGMP in the regulation of oocyte quality. We conclude that clinical practice of IVM should reflect this new understanding of the role of cyclic nucleotides, thereby creating a new generation of ART and fertility treatment options."
 
:"The cyclic nucleotides, cAMP and cGMP, are the key molecules controlling mammalian oocyte meiosis. Their roles in oocyte biology have been at the forefront of oocyte research for decades and many of the long standing controversies in relation to the regulation of oocyte meiotic maturation are now resolved. It is now clear that the follicle prevents meiotic resumption through the actions of natriuretic peptides and cGMP inhibiting the hydrolysis of intra-oocyte cAMP and that the preovulatory gonadotrophin surge reverses these processes. The gonadotrophin surge also leads to a transient spike in cAMP in the somatic compartment of the follicle; research over the past 2 decades has conclusively demonstrated that this surge in cAMP is important for the subsequent developmental capacity of the oocyte. This is important, as oocyte in vitro maturation (IVM) systems practiced clinically do not recapitulate this cAMP surge in vitro, possibly accounting for the lower efficiency of IVM compared to clinical IVF. This review focuses in particular on this latter aspect - the role of cAMP/cGMP in the regulation of oocyte quality. We conclude that clinical practice of IVM should reflect this new understanding of the role of cyclic nucleotides, thereby creating a new generation of ART and fertility treatment options."
  
{{#pmid:27248769|}}
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{{#pmid:27248769}}
  
 
{{#pmid:27160446}}
 
{{#pmid:27160446}}

Revision as of 15:52, 19 July 2018

Embryology - 28 Feb 2020    Facebook link Pinterest link Twitter link  Expand to Translate  
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1. QUIZ

2. Guest Lecturer - Prof Robert Gilchrist

Oocyte BMP15 and GDF9 effects PMID 25058588
Associate Professor Robert Gilchrist

Prof Robert Gilchrist

The Reproductive Technology Revolution



Dr Gilchristis head of the Oocyte Biology Research Unit (UNSW) his primary research interests are in the regulation of mammalian oocyte development and maturation, and the development of novel oocyte maturation techniques for infertility treatment.


Lecture Slides



Links: UNSW Research Gateway | PubMed

Recent Articles

Gilchrist RB, Luciano AM, Richani D, Zeng HT, Wang X, Vos MD, Sugimura S, Smitz J, Richard FJ & Thompson JG. (2016). Oocyte maturation and quality: role of cyclic nucleotides. Reproduction , 152, R143-57. PMID: 27422885 DOI.

"The cyclic nucleotides, cAMP and cGMP, are the key molecules controlling mammalian oocyte meiosis. Their roles in oocyte biology have been at the forefront of oocyte research for decades and many of the long standing controversies in relation to the regulation of oocyte meiotic maturation are now resolved. It is now clear that the follicle prevents meiotic resumption through the actions of natriuretic peptides and cGMP inhibiting the hydrolysis of intra-oocyte cAMP and that the preovulatory gonadotrophin surge reverses these processes. The gonadotrophin surge also leads to a transient spike in cAMP in the somatic compartment of the follicle; research over the past 2 decades has conclusively demonstrated that this surge in cAMP is important for the subsequent developmental capacity of the oocyte. This is important, as oocyte in vitro maturation (IVM) systems practiced clinically do not recapitulate this cAMP surge in vitro, possibly accounting for the lower efficiency of IVM compared to clinical IVF. This review focuses in particular on this latter aspect - the role of cAMP/cGMP in the regulation of oocyte quality. We conclude that clinical practice of IVM should reflect this new understanding of the role of cyclic nucleotides, thereby creating a new generation of ART and fertility treatment options."

Robertson DM, Gilchrist RB, Ledger WL & Baerwald A. (2016). Random start or emergency IVF/in vitro maturation: a new rapid approach to fertility preservation. Womens Health (Lond) , 12, 339-49. PMID: 27248769 DOI.

Russell DL, Gilchrist RB, Brown HM & Thompson JG. (2016). Bidirectional communication between cumulus cells and the oocyte: Old hands and new players?. Theriogenology , 86, 62-8. PMID: 27160446 DOI.



 2018 ANAT2341 - Timetable | Course Outline | Moodle | Tutorial 1 | Tutorial 2 | Tutorial 3

Labs: 1 Preimplantation and Implantation | 2 Reproductive Technology Revolution | 3 Group Projects | 4 GM manipulation mouse embryos | 5 Early chicken eggs | 6 Female reproductive tract | 7 Skin regeneration | 8 Vertebral development | 9 Organogenesis Lab | 10 Cardiac development | 11 Group projects | 12 Stem Cell Journal Club

Lectures: 1 Introduction | 2 Fertilization | 3 Week 1/2 | 4 Week 3 | 5 Ectoderm | 6 Placenta | 7 Mesoderm | 8 Endoderm | 9 Research Technology | 10 Cardiovascular | 11 Respiratory | 12 Neural crest | 13 Head | 14 Musculoskeletal | 15 Limb | 16 Renal | 17 Genital | 18 Endocrine | 19 Sensory | 20 Fetal | 21 Integumentary | 22 Birth | 23 Stem cells | 24 Revision

 Student Projects: Group Projects Information Project 1 | Project 3 | Project 4 | Project 5 | 2018 Test Student | Copyright