News
Griffin Lab Summer Scholar
June 3, 2024 (Edit)Travel award from GREAT symposium
April 4, 2024 (Edit)AHA Postdoc Fellowship
January 15, 2024 (Edit)Lab attends Vascular Biology 2023
October 23, 2023 (Edit)The lab is just back from Newport, RI, where we attended another terrific annual NAVBO meeting. Congrats to Charmain for winning a poster award and Rahul for winning a travel award!
EyeFind Research Grant
September 13, 2023 (Edit)We’re proud of Eric for winning an EyeFind Research Grant from the ARVO Foundation for Eye Research and the Eye Bank Association of America. This grant will allow Eric to obtain human eye sections for studying vascular regression during the onset of diabetic retinopathy.
New AHA Award
September 13, 2023 (Edit)Congratulations to Chris Schafer for winning one of the American Heart Association’s new Second Century Early Faculty Independence Awards this summer. This three-year award will allow Chris to explore his interest in protein degradation in pulmonary endothelial cells.
OMRF Retreat Resumes
March 6, 2023 (Edit)New postdoc in the lab
March 1, 2023 (Edit)AHA Predoc Fellowship Awarded
December 14, 2022 (Edit)The lab is celebrating Rahul’s new AHA Predoc Fellowship that was recently awarded for his project studying PARs in the context of diabetes. Congrats, Rahul!
Courtney named OMRF’s next Vice President of Research
November 29, 2022 (Edit)Courtney was honored this month to be named OMRF’s next Vice President of Research. She will take over the position on 3/6/23, when Dr. Rod McEver retires from the role. She is looking forward to helping OMRF in this new capacity while continuing to run her lab.
Travel Award for Oral Presentation
November 29, 2022 (Edit)Congrats to Rahul for winning a 1st place Travel Award for his recent talk at the Harold Hamm Diabetes Center Research Symposium. Rahul will use this award to attend the Gordon Conference on “IGF and Insulin System in Physiology and Disease” next March.
Bridget Parrish, M.S.!
November 8, 2022 (Edit)Congrats to Bridget for successfully defending her Master’s thesis on CHD4 and retinal angiogenesis today. We’re excited to see Bridget tackle the next phase of her career as a Scientific Communications Specialist for Dr. Judith James at OMRF. Way to go, Bridget!
Griffin Lab attends IVBM 2022
October 21, 2022 (Edit)The lab is just back from the terrific and long-anticipated IVBM 2022 meeting in Oakland. Chris, Melinda, Charmain, and Rahul all presented posters on their current projects, and Rahul was honored with a NAVBO travel award. A major highlight of the meeting was catching up with friends, colleagues, and past lab members.
Griffin Lab Summer Scholars
July 29, 2022 (Edit)Our lab had the privilege of working with two terrific OMRF Summer Scholars this year. Our Fleming Scholar, Siri Nuguri, conducted research with Dr. Melinda Wu, and our Langston Scholar, Meme Racy, worked with Dr. Chris Schafer. We are grateful for all the energy, dedication, and great questions these young scientists brought to lab every day. Thank you, Siri and Meme!
Graduate student scholarship
May 26, 2022 (Edit)Travel Award
April 4, 2022 (Edit)Outstanding Platform Presentation
February 11, 2022 (Edit)New manuscript on omental vascular development
February 4, 2022 (Edit)We are delighted to announce our new manuscript published today in Circulation Research that highlights the regulation and effects of IL-1B on blood vessels and lymphatics in the embryonic omentum. Congrats to first-author Matt Menendez and to all past and present lab members who contributed to this story.
Best wishes to Matt
December 8, 2021 (Edit)The lab is bidding a fond farewell to its senior Postdoc, Matt Menendez, as he leaves to pursue an exciting opportunity as the Scientific Consultant for the NYC-based law firm Siri & Glimstad. We have benefited greatly from Matt’s creativity and hard work for the past six years and are wishing him the best in his new career.
Outstanding Poster Award
November 22, 2021 (Edit)Summer Scholar
July 19, 2021 (Edit)The Griffin lab has been delighted to host Andrianna Buxton this summer through the new Langston Biomedical Research Scholars program at OMRF. Andrianna has spent two months working closely with Dr. Chris Schafer studying inflammatory factors that increase lung vascular permeability. We’re grateful for Andrianna’s hard work and hope to welcome her back to the lab next summer.
Saxon Scholar
June 30, 2021 (Edit)The lab has had the pleasure of hosting Erika Willis, a rising Senior at the U.S. Air Force Academy, as our Saxon Scholar this summer. Erika spent a month working with Chris Schafer studying inflammation-induced vascular permeability in the lung. We are proud of Erika’s accomplishments in the lab this summer and wish her the best as she enters her last year at the USAFA.
Graduate Student Scholarship
June 28, 2021 (Edit)New publication on transcriptional regulators of Ripk3
June 28, 2021 (Edit)The lab is pleased to announce another publication about RIPK3 biology in endothelial cells. Siqi Gao led a study showing that components of the NF-kB signaling pathway work to suppress excessive endothelial Ripk3 transcription and cell death after TNFα stimulation. This provides more evidence that Ripk3 must be tightly transcriptionally regulated to maintain vascular homeostasis.
New American Lung Association Catalyst Award
June 28, 2021 (Edit)Griffin lab manuscript award
April 15, 2021 (Edit)Congratulations to Sarah Colijn for winning the “Outstanding Paper Prize of 2020” from Disease Models & Mechanisms! We are so proud of Sarah’s rigorous research into cell-specific roles for RIPK3 in atherosclerosis progression.
Congrats to new Ph.D. candidates
January 28, 2021 (Edit)The lab extends its sincere congratulations to Bridget and Rahul, who both successfully passed their qualifying exams last week and advanced to Ph.D. candidacy in OUHSC’s Department of Cell Biology. Courtney also thanks the lab’s postdocs for helping the students prepare so effectively.
New manuscript on pro-angiogenic roles for RIPK3
January 18, 2021 (Edit)The lab is proud of Siqi’s new manuscript published in Angiogenesis that describes novel pro-angiogenic roles for RIPK3. This study adds to our lab’s growing evidence that RIPK3 can play beneficial roles in endothelial cells, in addition to detrimental ones when it is overexpressed.
Successful Vascular Biology 2020
November 2, 2020 (Edit)The Griffin Lab thoroughly enjoyed NAVBO’s online Vascular Biology 2020 meeting, despite the ice storm that hit OKC early in the meeting and compromised power/internet for many of us. Congrats to Matt and Charmain for their oral presentations selected from abstract submissions and to Melinda (circled below) for winning an Outstanding Poster Award from the Vascular Inflammation Workshop!
Congratulations, Dr. Gao!
October 21, 2020 (Edit)The Griffin lab was full of smiles and tears today as we celebrated Siqi’s successful Ph.D. defense! We will miss Siqi’s amazing presence in the lab but are excited that she’s staying in the vascular field, as she begins her postdoc with Dr. Mark Kahn at U. Penn next month. Many congrats, Siqi, for a fantastic graduate career and bright future!
New publication about ocular blood vessel regression
October 5, 2020 (Edit)Congrats to Chris Schafer for his newly published manuscript in PNAS describing a novel way to regress pathological blood vessels in mouse eyes. Many thanks as well to our collaborators across the street at the Dean McGee Eye Institute and to George Davis at USF.
Check out the following press coverage:
https://omrf.org/2020/10/06/omrf-discovery-holds-potential-for-reversing-vision-loss/
https://kfor.com/news/omrf-testing-new-drug-that-could-reverse-some-types-of-vision-loss/
Good luck, Stacy!
September 8, 2020 (Edit)The lab just said “goodbye” to its 4th student from the Visiting Graduate Traineeship Program–Katarzyna (Stacy) Borawska. Stacy spent the last year in the lab studying vascular development in the embryonic omentum with Dr. Matt Menendez. We wish her the best as she returns to Poland to defend her Masters thesis.
Goodbye, Kasia!
August 16, 2020 (Edit)The Griffin lab said a fond farewell to Kasia Kurylowicz on Friday. Kasia came to our lab from Poland through the Visiting Graduate Traineeship Program two years ago and has contributed valuable effort to numerous projects. We will miss Kasia but are excited for her new opportunity to study cancer research at the University of Chicago in the lab of Dr. Shannon Elf.

Kasia worked closely with Dr. Chris Schafer during her time in the lab; they’re pictured here at Chris’ wedding in 2019.
Courtney elected as next NAVBO President
July 24, 2020 (Edit)Courtney is excited to have been elected as the next President of the North American Vascular Biology Organization (NAVBO). She will spend this year supporting the current President–Dr. Masanori Aikawa–in a President-Elect role and will take over the reigns in July 2021.
Back at it!
May 22, 2020 (Edit)Endowed Chair Position
April 30, 2020 (Edit)Courtney is honored to have been named the Scott Zarrow Chair in Biomedical Research at OMRF’s spring board meeting. Special thanks to the Anne and Henry Zarrow Foundation, which endowed this chair in memory of Tulsa attorney and philanthropist Scott Zarrow.
New Griffin Lab Manuscript
February 5, 2020 (Edit)Congratulations to Sarah Colijn for her new cover-featured article in Disease Models & Mechanisms about an unexpected athero-protective role for RIPK3 in endothelial cells and macrophages.
New Graduate Students
December 23, 2019 (Edit)New AHA Postdoc Fellowship
December 5, 2019 (Edit)NAVBO Poster Award
November 1, 2019 (Edit)New Griffin Lab Graduate
August 19, 2019 (Edit)Big congrats to Sarah Colijn, who successfully defended her Ph.D. thesis today! We are so grateful for Sarah’s hard work and perseverance over the last 5 years, and we’re wishing her luck as she heads to Washington University to start a postdoctoral fellowship with Dr. Amber Stratman.
Welcome, Stacy!
July 16, 2019 (Edit)The Griffin lab is excited to welcome its 4th visiting masters student from Poland–Stacy Borawska–via the bioLAB Visiting Research Graduate Traineeship Program. Stacy will be working closely with Matt over the next year studying the impact of peritoneal macrophages on vascular integrity. Thank you, Stacy, for traveling so far to do research with us!
Summer Research Tech
July 16, 2019 (Edit)Summer Fleming Scholar
June 30, 2019 (Edit)The Griffin lab is pleased to host Kate Wheeler as an OMRF Fleming Scholar this summer. Kate is a rising freshman at the University of Oklahoma and had visited our lab several times during her high school years to learn more about our research. This summer she is working with Siqi on studying novel intracellular roles for RIPK3, and we’re already so grateful for her hard work and dedication to her project.
New Griffin lab publication
June 26, 2019 (Edit)Congrats to Sarah Colijn, Siqi Gao, and Kyle Ingram for acceptance of their manuscript on RIPK3 by Cell Death & Differentiation. This paper defines novel transcriptional regulators of Ripk3 and demonstrates that excessive endothelial RIPK3 expression causes embryonic vascular fragility.
OMRF Research Prize
May 23, 2019 (Edit)Courtney is grateful to have been awarded OMRF’s Edward L & Thelma Gaylord Prize for Scientific Excellence. This award reflects all the hard work and creativity displayed by current and former lab members over the last several years…thank you!
New R35 Grant
March 12, 2019 (Edit)The Griffin lab is thrilled to have received an R35 (Emerging Investigator Award) from the NHLBI to study “Protease-Mediated Vascular Instability in Development and Disease.” This 7-year grant provides the timeline and funds to do some truly creative work, and we intend to take full advantage of this terrific opportunity. See our OMRF press release here.
Gordon Conference Poster Award
January 28, 2019 (Edit)OCASCR
December 10, 2018 (Edit)Courtney is honored to have been appointed as Scientific Director of the Oklahoma Center for Adult Stem Cell Research (OCASCR) this month. This center is funded by the Oklahoma Tobacco Settlement Endowment Trust (TSET) and distributes grant money for research, equipment, and travel related to adult stem cells and regenerative medicine. Our goal is to help these research areas continue to grow and thrive in Oklahoma. Read more here.
New Postdoc
November 20, 2018 (Edit)New AHA Fellowships
November 8, 2018 (Edit)Big congrats to Melinda Wu for winning an AHA Postdoc Fellowship and to Siqi Gao for winning an AHA Predoc Fellowship today. We are so proud of you two!
Postdoc Award for Oral Presentation
November 6, 2018 (Edit)Griffin Lab at Vascular Biology 2018
October 19, 2018 (Edit)Most of the lab members are just back from NAVBO’s annual meeting–Vascular Biology 2018. We had a great time exploring the new meeting site in Newport, RI. Melinda and Sarah gave oral presentations of their research, while Matt, Chris, and Siqi presented posters. Congrats to NAVBO on hosting another terrific meeting.
Griffin Lab on the move!
October 19, 2018 (Edit)Postdoc Travel Grant
July 24, 2018 (Edit)Congrats to Chris Schafer on winning an OMRF Postdoc Travel Award to attend the Vascular Cell Biology Gordon Research Conference next January in California. Way to go!
Visiting Graduate Research Trainee
July 24, 2018 (Edit)We are delighted to welcome Kasia Kurylowicz–a visiting masters student from Jagiellonian University–to our lab for the next year. Kasia will be working closely with Dr. Chris Schafer to study vascular growth and regression in the eye under developmental and pathological conditions. Welcome, Kasia!
2018 Saxon Scholar
June 21, 2018 (Edit)The Griffin lab has been honored to host Paige Miles, a rising Junior at the U.S. Naval Academy, as our Saxon Scholar this summer. Paige spent three intense weeks studying the effects of macrophages on embryonic vascular development. We are grateful for her hard work and amazed at how much she learned in such a short time. Check out this news article about Paige and the Saxon Scholar program.
New OCAST Postdoc Fellowship
June 20, 2018 (Edit)New Lab Publication
May 16, 2018 (Edit)Congrats to Siqi on her new paper accepted to Hepatology assessing plasmin-mediated vascular damage in adult mouse livers after acetaminophen overdose. Check out this news article about her findings.
New AHA Postdoc Fellowship awarded
April 23, 2018 (Edit)Postdoc Travel Award
March 12, 2018 (Edit)Congrats to Chris Schafer for winning a travel award at this year’s OMRF Scientific Retreat for his outstanding poster presentation!
New lab manager
February 15, 2018 (Edit)Best Student Talk at 2017 Cell Biology retreat
October 31, 2017 (Edit)Congrats to Siqi for winning the Best Student Talk at this year’s OUHSC Cell Biology departmental retreat. Siqi gave a terrific summary of her research on acetaminophen-induced hepatic vascular injury.
Griffin Lab at Vascular Biology 2017
October 24, 2017 (Edit)The lab is just back from Pacific Grove, CA, where we all attended the annual NAVBO meeting (Vascular Biology 2017). Sarah won a travel award and gave a talk in the Vascular Cell Biology session of the main meeting, while Siqi and Melinda gave talks at the pre-meeting. Sarah, Siqi, Melinda and Matt also presented posters describing their research projects. Great job, everyone!
Welcome, Shruti
September 12, 2017 (Edit)Thank you and good luck, Vijay!
August 30, 2017 (Edit)This week we are sad to bid farewell to our outstanding lab manager, Vijay Muthukumar, who worked with us for the last eight years. Vijay has accepted an exciting new position at the Jackson Labs in Maine as a Project Manager/Research Animal Facility Director. Congratulations on your new job, Vijay, and know that you’ll always be a part of the Griffin Lab!
New manuscript
July 27, 2017 (Edit)Congrats to Matt Menendez and former Griffin lab postdoc E-Ching Ong on their new ATVB paper showing a role for BRG1 in establishing capillary integrity.
Farewell, Anna and Jocelyn
June 25, 2017 (Edit)We are grateful for the dedication and hard work of two individuals departing our lab this month. Anna Drozd spent the last year with us as a Visiting Scholar from the University of Lodz in Poland. She worked closely with Matt Menendez in studying the role of BRG1 in lymphatic development. We are excited that she is entering a PhD program at the University of Copenhagen this fall. Jocelyn Rodriguez spent three weeks with us as a Saxon Scholar studying the interaction of CHD3 and CHD4 in early vascular development with Chris Schafer. She will start her junior year this fall at the U.S. Naval Academy. Both of these young women were an asset to our lab, and we’ll miss their wonderful personalities and sharp scientific minds. Best of luck in your future endeavors, Anna and Jocelyn!
OMRF Predoc Scholarship
May 3, 2017 (Edit)Congrats to Siqi Gao for winning the OMRF John and Mildred Carson Ph.D. Scholarship, which recognizes her outstanding achievements and momentum at this early stage of her graduate training.
Trainee Accolades
April 3, 2017 (Edit)Griffin lab trainees had a big week! Congrats to Matt for winning the 2017 Best OMRF Postdoc Fellowship for his AHA Fellowship. Congrats to Anna for winning Best Poster among the Visiting Research Graduate Traineeship Program students at the OMRF Annual Retreat. And congrats to Siqi for winning the OMRF GREAT Symposium Travel Grant for her oral presentation last Tuesday. Terrific job, everyone!
Congrats, Siqi!
March 8, 2017 (Edit)Welcome, Chris
February 3, 2017 (Edit)We are delighted to welcome Chris Schafer, who is starting postdoctoral training in our lab this month. Chris is already hard at work studying the NuRD complex, and we are thrilled to have him as part of the team.
Welcome, Melinda
January 24, 2017 (Edit)New R01
December 9, 2016 (Edit)Thank you, Ta’na
August 15, 2016 (Edit)Goodbye and good luck, Patrick!
August 15, 2016 (Edit)The lab is wishing Patrick Crosswhite a fond farewell as he starts his new Assistant Professor position at Gonzaga University (Department of Nursing and Human Physiology). We will miss him but are grateful for the four years he spent with us. Congratulations, Patrick!
New AHA Postdoc Fellowship
July 18, 2016 (Edit)Summer Student
June 24, 2016 (Edit)We have had the privilege of hosting Robert Pahissa this month through the OMRF Saxon Scholar Program. Robert is a rising senior at the U.S. Air Force Academy and has been helping us investigate roles for the CHD3 chromatin-remodeling enzyme in developing blood vessels. Thanks for your hard work, Robert!
Visiting Masters Student
June 24, 2016 (Edit)New manuscript
May 3, 2016 (Edit)The lab is excited to see the release of our new publication on CHD4-regulated plasmin activity today in JCI. Congrats to Patrick Crosswhite for spearheading this story about plasmin-mediated degradation of lymphovenous thrombi and hepatic extracellular matrix.
GREAT Symposium Award
March 31, 2016 (Edit)Congratulations to Sarah Colijn on winning the OMRF travel award for her oral presentation at this year’s OUHSC GREAT Symposium!
New Graduate Student
March 14, 2016 (Edit)Retreat Awards
March 4, 2016 (Edit)Congrats to Patrick Crosswhite, Matthew Menendez, and Sarah Colijn for Outstanding Poster Awards at this year’s OMRF Retreat. Thank you for representing the Griffin Lab so impressively!
Outstanding Grantsmanship Award
September 23, 2015 (Edit)Congrats to Patrick Crosswhite for winning this year’s Paul Kincade Outstanding Grantsmanship Award for his AHA Postdoctoral Fellowship!
New high school student
September 15, 2015 (Edit)Welcome to Nadia Sirajuddin, who will be working part time in our lab during her senior year at the Oklahoma School of Science and Mathematics through the Investigative Research Scholars Program.
Summer Student
July 1, 2015 (Edit)It has been a great pleasure hosting Tirzah Prince this month through the OMRF Saxon Scholar program. Tirzah spent the last 4 weeks initiating new research into the role of CHD3 in vascular development. We’re wishing her the best as she returns to Colorado to start her senior year at the U.S. Air Force Academy.
Travel Scholarship
June 18, 2015 (Edit)Congratulations to Sarah Colijn for winning a travel scholarship to attend NAVBO’s Vasculata conference this summer in Charlottesville, VA. She will be sharing her new research on the role of the CHD3 chromatin-remodeling enzyme in vascular development.
New Ph.D.
June 15, 2015 (Edit)OMRF Scholarship
June 11, 2015 (Edit)Congratulations to Sarah Colijn for winning an OMRF Pre-Doctoral Scholarship sponsored by the Barrett Scholarship Fund. Well done, Sarah!
Goodbye and thanks, Asia!
June 2, 2015 (Edit)We are bidding a fond farewell to Asia Podsiadlowska, our Visiting Research Graduate Trainee from Poland. Asia spent the last year with us studying the role of chromatin-remodeling complexes in lymphatic development. She made terrific contributions to the lab, and we are wishing her good luck as she starts her Ph.D. program back in Warsaw!
OMRF Travel Award
May 14, 2015 (Edit)Congratulations to Patrick Crosswhite who won a travel award at this year’s OMRF retreat for his oral presentation on chromatin remodeling and lymphatic development.
AHA Postdoc Fellowship
December 4, 2014 (Edit)We’re so proud of Patrick Crosswhite, who was recently awarded an American Heart Association Postdoctoral Fellowship for his project studying the role of CHD4 in lymphatic vascular development.
NAVBO Poster Award
October 29, 2014 (Edit)Congrats to E-Ching Ong for winning an Outstanding Poster award at the annual NAVBO meeting for a 2nd year in a row. Great work, E-Ching!
Fleming Scholar
July 24, 2014 (Edit)Our lab had the pleasure of hosting Tanner Bowen this summer through the OMRF Fleming Scholar program. Tanner is a rising freshman at Oklahoma Christian University, and he spent eight weeks with us studying causes of endothelial cell death during vascular development. Thanks for your hard work, Tanner, and good luck at OC!
Travel Scholarship
July 16, 2014 (Edit)Welcome, Joanna!
July 7, 2014 (Edit)Welcome, Sarah!
May 12, 2014 (Edit)2014 OMRF Travel Award
April 7, 2014 (Edit)Congratulations to Kyle Ingram for winning a Graduate Student Travel Award based on his oral presentation at this year’s OMRF Scientific Retreat.
New publication about vascular integrity
December 12, 2013 (Edit)Kyle Ingram’s manuscript about the role of CHD4 in promoting embryonic vascular integrity was published today in PLoS Genetics. Congratulations to all who contributed to this exciting new story.
First Griffin Lab Graduate
November 10, 2013 (Edit)Congratulations to Reema Davis, who successfully defended her Ph.D. dissertation for the OUHSC Department of Cell Biology on November 8th. Reema has spent the last 5 years studying the impact of SWI/SNF and NuRD chromatin-remodeling complexes on arterial/venous specification. We’re so proud of all her achievements!
NAVBO Poster Award
October 28, 2013 (Edit)Summer Scholar
June 6, 2013 (Edit)We have been delighted to welcome Eileen Dilks to our lab this summer through the OMRF Saxon Scholar Program. Eileen is a rising junior at the U.S. Naval Academy, and she spent three weeks in the lab studying lymphatic development. Thanks for your dedication and hard work this summer, Eileen!