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Conrad Lab News

Check out this page for information about what is going on with the Conrad Lab. We update it with news on publications, conferences, people joining the lab and more! 

Murillo presents poster at Biology of Genomes 2025 at CSHL

The 38th annual meeting addresses DNA sequence variation and its role in molecular evolution, population genetics, complex diseases, comparative genomics, large-scale studies of gene and ...

Madison presents poster at NW Women’s Health and Sex/Gender Differences Research Conference

This one day conference held at OHSU is designed to ignite cross-institution, multidisciplinary research partnerships and collaborations within the Portland area and the greater state ...

Genetic and genomic insights into male reproductive tract development

Madison and Helen’s review is now available online in Fertility and Sterility. Congratulations! Abstract Genetic and genomic analysis continues to drive important insights into male ...

Don and Antoni head to ASA/ICA 2025

Don is participating as a co-moderator for the Genetics of Male Infertility: Going Beyond Etiology Diagnostics session on Sunday, March 30th 8:30-10:00am. Antoni will present ...

SATINN v2: automated image analysis for mouse testis histology with multi-laboratory data integration

Ran’s latest paper is now available on Biology of Reproduction. Congratulations! Abstract Analysis of testis histology is fundamental to the study of male fertility, but ...

Deletion of an evolutionarily conserved TAD boundary impacts spermatogenesis in mice

Ana’s paper is now available online in Biology of Reproduction. Congratulations! Abstract Spermatogenesis is a complex process that can be disrupted by genetic and epigenetic ...

The human and non-human primate developmental GTEx projects

dGTEx marker paper is now available online in Nature and has been featured by OHSU News. Congratulations to all! Abstract Many human diseases are the ...

Estimating realized relatedness in free-ranging macaques by inferring identity-by-descent segments

The latest NHP paper with contributions from the lab is now available online in PNAS. Congratulations! Significance Genetic relatedness plays a central role in ecology ...

Utility of exome sequencing in primary spermatogenic disorders: From research to diagnostics

Antoni and Liina’s review is now available online in Andrology. Congratulations! Abstract Background Primary spermatogenic disorders represent a severe form of male infertility whereby sperm ...

Introduction to androgenetics: terminology, approaches, and impactful studies across 60 years

Arvand’s review with Dr. Maris Laan from the University of Tartu in Estonia is now available online in Andrology. This is article is part of ...

Diminished DNA binding affinity of DMRT1 caused by heterozygous DM domain mutations is a cause of male infertility

Helen’s paper with our Croatian collaborators in now available online in Human Molecular Genetics. Congratulations! Abstract The most severe form of male infertility is idiopathic ...

Conrad Lab goes to ASHG 2024

This year three people for the lab will present at the annual American Society of Human Genetics conference in Denver. Check out the following posters ...

NCTRI grant gets renewed by the NIH

Don is the lead investigator on Project I of the National Center for Translational Research in Reproduction & Infertility (NCTRI) grant entitled Genetics of Infertility: ...

PSAP-Genomic-Regions: A Method Leveraging Population Data to Prioritize Coding and Non-Coding Variants in Whole Genome Sequencing for Rare Disease Diagnosis

Marie-Sophie, who was a visiting scholar in the Conrad lab last summer, just had had paper published on extending PSAP to the non-coding genomes in ...

Caitlin wins graduate student service award

The Associate Dean’s Award for Exemplary Contributions to the Graduate Community is awarded by leadership to a person for outstanding service to the graduate community. ...

Don gives the Emil Steinberger Memorial Lecture at ASA 2024 in Denver

His talk titled “Computational Paradigms Shaping Andrology: Genetics, Pathology, and Collaboration” kicked off this year’s meeting. Congratulations Don!

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Ana and Ran present their work at Testis Workshop 2024 in Denver

The North American Testis Workshop is in conjunction with the American Society of Andrology Annual meeting. Ana has an oral presentation on her work on ...

Murillo Rodrigues joins lab as a computational biologist

Murillo comes to us from the University of Oregon where he worked with Andrew Kern and Peter Ralph on simulation-based inference in population genetics and ...

The human infertility single-cell testis atlas (HISTA): an interactive molecular scRNA-Seq reference of the human testis

Eisa’s new paper is now available online in Andrology. Congratulations! Abstract Background: Single-cell RNA-seq (scRNA-Seq) has been widely adopted to study gene expression of the human ...

Genome sequencing of Pakistani families with male infertility identifies deleterious genotypes in SPAG6, CCDC9, TKTL1, TUBA3C, and M1AP

Muhammad’s paper on work he did during his six months as a visiting scholar in the Conrad lab is now available online In Andrology. Congratulations! ...

A naturally occurring variant of MBD4 causes maternal germline hypermutation in primates

Alex’s paper is now available online in Genome Research. Congratulations! Abstract As part of an ongoing genome sequencing project at the Oregon National Primate Research ...

Marie-Sophie Ogloblinsky joins lab as a visiting scholar

Marie-Sophie comes to the Conrad Lab from the University of Brest, France where she is working on her PhD as part of an MD/PhD program ...

Consensus label propagation with graph convolutional networks for single-cell RNA sequencing cell type annotation

Daniel’s paper is now available online in Bioinformatics. Congratulations! Abstract Motivation: Single-cell RNA sequencing (scRNA-seq) data, annotated by cell type, is useful in a variety ...

Antoni Riera Escamilla joins lab as a postdoc

Antoni comes to us from Fundacio Puigvert in Barcelona where he studied the genetic causes of male infertility and their potential role in comorbidites. In ...

OHSU researchers assemble comprehensive atlas of human gene mutations

Nicole’s GTEx paper was profiled by OHSU news. Congratulations Nicole and Don!

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The origins and functional effects of postzygotic mutations throughout the human life span

Former grad student Nicole’s paper on detecting and analyzing PZMs in GTEx data is now available online in Science. Congratulations! Abstract Postzygotic mutations (PZMs) begin ...

Arvand Akbari joins the lab as a postdoc

Arvand comes to us from the Royan Institute in Tehran, Iran. He will be primarily working on the GEMINI project. Welcome Arvand!

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Jacob Robino joins the lab as a rotation student

Jacob is a PBMS student at OHSU. He will be working on characterizing germline mutations in macaques for his rotation project. Welcome Jacob!

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Diverse monogenic subforms of human spermatogenic failure

Our main GEMINI paper is now available online in Nature Communications. Congratulations to all! Abstract Non-obstructive azoospermia (NOA) is the most severe form of male ...

Maris Laan joins lab as a visiting professor for one year

Dr. Laan a long-time collaborator on the GEMINI project. She is a professor of Human Genetics at the University of Tartu, Estonia and comes to ...

SATINN: An automated neural network-based classification of testicular sections allows for high-throughput histopathology of mouse mutants

Ran and Ana’s paper is now available online in Bioinformatics. Congratulations! Abstract Motivation: The mammalian testis is a complex organ with a cellular composition that ...

GEMINI grant gets renewed by the NIH

The first grant entitled Genomics of spermatogenic impairment was first awarded in 2014 and it has now been renewed for another 5 years. Don is ...

NIH chooses OHSU for multispecies NHP dGTEx Research Center

Don is the project leader on this $3M grant which is a collaboration with MIT, the Broad Institute and Yale University. The center will provide ...

Caitlin joins the lab as our first graduate student at OHSU

She will be working on our male infertility projects and will be primarily based at our Waterfront lab. Welcome Caitlin!

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Fritzie Brady joins lab as a senior research associate

Fritize comes to us from the University of Hawaii where she studied the effect of endocrine disrupting chemicals on the reproductive physiology of fish. She ...

Phil Leung joins lab as a project manager

Phil will be the lead project manager for the Marmoset Coordinating Center. Outside of the Conrad lab, she is also project manger for ONPRC’s ART ...

Jasvinder presents his work at the Meiosis Gordon conference

His poster focused on the mechanisms of multiple end-invasion, branch migration and resolution associated processing during meiotic recombination. Congratulations Jasvinder!

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Jasvinder Ahuja joins lab as a research assistant professor

Jasvinder comes to us from the National Cancer institute and brings to the lab his expertise in recombination and meiosis, which he as studied extensively ...

Ana and Alex present posters, and Ana wins, at NWRSS 2022

Ana received a best poster award for her work on methods for rigorous quantification of mouse testicular function. Congrats Ana!

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Don gives keynote talk at NWRSS 2022

Don talked about the genetic analysis of human spermatogenetic failure at the he 18th Northwest Reproductive Sciences Symposium, held at the Skamania resort in Washington.

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Conrad Lab attends ASA Testis Workshop 2022

This is the lab’s first in-person meeting in over two years! Team members present three posters and one talk during the meeting in La Jolla! ...

Jenna Castro joins lab as a research assistant

Jenna will be working on the newly-funded NHP dGTex project that aims to characterize gene expression in a variety of tissues across prenatal and postnatal ...

Caitlin Peaslee joins lab a rotation student

Caitlin is a graduate student in PBMS working on her PhD. For her rotation project, she will be working on analyzing GEMINI Phase I and ...

Describing the origins and effects of the mutations that occur in normal individuals: How the telephone game plays out inside the human body

By Nicole Rockweiler In the children’s game of telephone, one person whispers a message to a second person and then that person whispers the message ...

Daniel presents his work on computational methods for single-cell RNA seq analysis

As part of his studies at Colorado College, Daniel had an opportunity to present the work he has been doing in the Conrad lab at ...

Comparative single-cell analysis of biopsies clarifies pathogenic mechanisms in Klinefelter syndrome

Eisa’s paper is now available online in American Journal of Human Genetics. Congratulations! Abstract Klinefelter syndrome (KS), also known as 47, XXY, is characterized by ...

Dharani Thirumalaisamy joins lab as an intern

Dharani is a DMICE Master’s Student who is doing an internship in the Conrad Lab this fall. She will be analyzing DNA sequencing data to ...

Helen Madeen joins lab as a computational biologist

Helen comes to the Conrad Lab from Arizona State University where she received a Masters in Natural Sciences. Although her background is in geobiology, she ...

Benson Chong joins lab as an intern

Benson is a DMICE Master’s Student who is doing an internship in the Conrad Lab this fall. He will be using his background and interests ...

Rytis Stakaitis and Ieva Golubickaite join lab as visiting scholars

Rytis and Ieva are PhD students at the Lithuanian University of Health Sciences and will be working in the Conrad Lab for one year as ...

Nicole successfully defends her PhD thesis!

Although Nicole missed out on presenting in front of an amphitheater full of people due to COVID restrictions, defending via zoom gave people all over ...

Variant PNLDC1, Defective piRNA Processing, and Azoospermia

Liina’s paper with GEMINI collaborators is now available in New England Journal of Medicine. The paper describes our discovery of PNLDC1 as a new male ...

Eisa receives LRP grant from the NIH

The NIH Loan Repayment Programs (LRPs) were designed to repay educational debt of highly qualified researchers in return for a commitment to engage in NIH ...

Variants in GCNA, X-linked germ-cell genome integrity gene, identified in men with primary spermatogenic failure

Another paper by the GEMINI Consortium is available online in Human Genetics. Congratulations to all! Abstract Male infertility impacts millions of couples yet, the etiology ...

Lack of evidence for a role of PIWIL1 variants in human male infertility

GEMINI collaborators publish letter in Cell disputing previously published data claiming the role of PIWIL1 D-box region mutations in human azoospermia. The article is now ...

Daniel Lewinsohn joins lab as a student worker

After interning in the lab last summer, Daniel joins the lab as a student worker, while he takes a (COVID-19-related) break from his studies in ...

The Sertoli cell expressed gene secernin-1 (Scrn1) is dispensable for male fertility in the mouse

The latest paper from GEMINI collaborators investigating the role of Scrn1 in male fertility is now available online in Developmental Dynamics. Congratulations to all! Abstract ...

The genetic architecture of sporadic and multiple consecutive miscarriage

Don’s paper with collaborators at WashU – describing GWAS meta-analyses for sporadic and multiple consecutive miscarriage – is now available online in Nature Communications. Congratulations! ...

Disruption of human meiotic telomere complex genes TERB1, TERB2 and MAJIN in men with non-obstructive azoospermia

The latest paper from GEMINI collaborators, in which exome sequencing of an affected family as well as unrelated cases suggests an important role of MTC ...

NIH selects OHSU to coordinate national neuroscience research involving marmosets

Oregon Health & Science University has been selected along with two other institutions to coordinate neuroscience research across the country involving marmosets, a nonhuman primate ...

Mutation of CFAP57, a protein required for the asymmetric targeting of a subset of inner dynein arms in Chlamydomonas, causes primary ciliary dyskinesia

Don’s paper with collaborators at UNC and WashU is a nice example of how whole exome sequencing and bioinformatic analysis can be effectively used to ...

Genetic dissection of spermatogenic arrest through exome analysis: clinical implications for the management of azoospermic men

Don and Liina’s paper with GEMINI collaborators shows promise for the clinical utility of a pre–testicular sperm extraction (TESE) prognostic gene panel. The article is ...

Bi-allelic Mutations in M1AP Are a Frequent Cause of Meiotic Arrest and Severely Impaired Spermatogenesis Leading to Male Infertility

Don and Liina’s paper with GEMINI collaborators, in which whole exome sequencing was performed on 58 men, is now available online in the American Journal ...

Ana wins with her presentation at the SSR2020 virtual meeting

Ana presented her work on Spatial Dynamics of Protein Translation in Sertoli Cells and placed third in the Trainee Research Award competition. She also received ...

Ana is selected for the trainee merit award competition at SSR2020

This is Ana’s second time being selected for this prestigious competition put on by the Society for the Study of Reproduction (SSR). She will be ...

Lab hosts virtual happy hour for past and present members

Covid-19 couldn’t stop the Conrad Lab from getting together to catch up on what everyone is doing across the globe. It was so good to ...

A framework for high-resolution phenotyping of candidate male infertility mutants: from human to mouse

Don’s paper with GEMINI collaborators at Monash University in Australia is now available online at Human Genetics. The paper presents a best practice guide when ...

Triona Matheson joins lab as a rotation student

Triona is a graduate student in PMBC. For her rotation project, she will be working on understanding the underlying mechanisms of male infertility using both ...

Happy International Day of Women and Girls in Science

Over half of the Conrad Lab team are women! We are proud to have such accomplished and enthusiastic individuals in our lab.

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Kevin MacPherson joins lab as a rotation student

Kevin is a graduate student in PMCB and our first rotation student at ONPRC! For his rotation project, he is working on detecting aneuploidies from ...

Happy Holidays from the Conrad Lab!

Wishing you a happy and prosperous New Year! May your experiments work, your papers get accepted and your grant applications score well.

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Happy Thanksgiving from the Conrad Lab!

The Conrad Lab had a Thanksgiving potluck from around the world last week celebrating our cultural diversity. We are thankful for our growing lab, fantastic ...

Lab hosts high school student as part of the BRIE program

Sophia Slack, from Westview High School, attended lab meeting and shadowed Ana who was doing microscopy work on mouse testis sections. Her visit was part ...

Alex Stendahl joins the lab as a research assistant

Alex comes to us from Dartmouth College with an ecology background. She will work on setting up sequencing pipelines using the MinION. Welcome Alex!

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Ran Yang joins the lab as a computational biologist

Ran comes to us from Northwestern University where his PhD thesis focused on developing image processing and statistical methods in fly embryos. Welcome Ran!

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Identification of Genetic Variants in CFAP221 as a Cause of Primary Ciliary Dyskinesia

Don and Wu-Lin’s paper with collaborators at UNC – describing work they did to use PSAP to find a novel cause of PCD – is ...

Wu-Lin presents poster at ASHG2019

Wu-Lin will present her poster, “Analysis of the n-on-one problem in human genetics” (PgmNr 1661), on Friday, October 18th. Stop by to have a chat ...

Rare mutations in the complement regulatory gene CSMD1 are associated with male and female infertility

After many years of hard work, Arthur’s paper, identifying the role of CSMD1 in gametogenesis, is now available online at Nature Communications. Congratulations Arthur! Abstract ...

Conrad Lab apple picking

The lab went to Kiyokawa Family Orchards in Hood River Valley on Sunday to enjoy the beautiful weather and views of snowy Mr. Hood while ...

Nicole attends the LPSHG2019 in Switzerland

Nicole was one of only 20 students who was selected to participate in this prestigious summer school. The week-long school is highly interactive with presentations ...

New computational method could advance precision medicine

Min’s single-cell paper was profiled by OHSU news. Congratulations Min and Don!

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Amy Luan joins lab as a visiting scholar from Monash University in Australia

Amy comes to us through a collaboration between the Conrad and O’Bryan labs as part of the International Male Infertility Genomics Consortium (IMIGC). She is ...

Ana receives Lalor Foundation Merit Award for her presentation at SSR2019

Ana was a finalist for the SSR Trainee Research Award and presented a talk titled “Location matters: Compartmentalized protein translation in sertoli cells” at the ...

Unified single-cell analysis of testis gene regulation and pathology in five mouse strains

Min’s paper, describing a model-based factor analysis method to analyze a novel 57, 600-cell dataset from wildtype and mutant mouse testes, is now available online ...

Min successfully defends her PhD thesis

Min’s work focused on the development and application of single-cell RNA sequencing analysis in male infertility. Congratulations Dr. Jung!

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Eloise Fadial joins the lab as a summer intern

Eloise is a Biomedical Engineering student at the University of Wyoming and works with microfluidic devices in Dr. John Oakey’s lab. She will be working ...

Brian Miller joins the lab as a computational biologist

Brian comes to us from the laboratories of Drs. Suzanne Lee and Dan Pollard at Western Washington University where his research focused on the analysis ...

Don presents work at 3rd Andrology Symposium in Zagreb, Croatia

Don’s talk on the lab’s single-cell genomics project was very well received at the conference. He was among a group of leading andrologists from primarily ...

Ana is selected as finalist for the Trainee Research Award at SSR

She will present her work on the regulation of Sertoli cells at the Platform Competition during the Society for the Study of Reproduction (SSR) 52nd ...

Nicole’s abstract gets selected for a talk at BOG

Nicole will present her work on whole-body maps of postzygotic mutations in humans at the 31st annual Biology of Genomes (BOG) meeting at Cold Spring ...

Conrad Lab moves to Portland

Don has spent a few months now in Portland, transitioning over from WashU to ONPRC/OHSU. Things have been busy and productive, and the lab is ...

Eisa Mahyari joins lab as a computational biologist

Eisa has a joint appointment with Ben Bimber, research faculty in the Division of Genetics. Welcome, Eisa.

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Katinka Vigh-Conrad joins lab as lab manager

In addition to her lab administrative duties, Katinka is also responsible for scientific communications and graphic design. Welcome, Katinka!

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Genetic effects on gene expression across human tissues

The paper by Don and collaborators from the GTEx Consortium is now published online at Nature. Congratulations! Abstract Characterization of the molecular function of the ...

Bi-allelic recessive loss-of-function variants in FANCM cause non-obstructive azoospermia

Liina’s paper with GEMINI collaborators is now online at American Journal of Human Genetics. Congratulations! Abstract Infertility affects around 7% of men worldwide. Idiopathic non-obstructive ...

Don accepts position at OHSU

Don has been recruited to Oregon National Research Primate Center (ONPRC) at Oregon Health and Science University (OHSU) to lead their newly established Genetics Division. ...

Genetic intersection of male infertility and cancer

Liina’s latest paper is now online at Fertility & Sterility. Congratulations, Liina! Abstract Recent epidemiological studies have identified an association between male factor infertility and ...

Dynamic landscape and regulation of RNA editing in mammals

Avi, Ni and Don’s paper with collaborators from the GTEx Consortium is now published online at Nature. Congratulations, Avi, Ni and Don! Abstract Adenosine-to-inosine (A-to-I) ...

A standardized approach for multispecies purification of mammalian male germ cells by mechanical tissue dissociation and flow cytometry

Ana and Min’s manuscript is now online at JOVE. Congratulations Ana, Min, Jannette and Abul! Abstract Fluorescence-activated cell sorting (FACS) has been one of the ...

Min is named an SMRU Traveling Scholar

She will present her work at ASRM 2017. Congratulations Min!

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Ana receives the 2017 Fellowship Award from the Lalor Foundation

Her project is called “Location matters: the role of localized translation in Sertoli cell function.” Congratulations Ana!

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The impact of structural variation on human gene expression

Don’s paper with collaborators from Dr. Ira Hall’s lab is now online at Nature. Congratulations! Abstract Rare genetic variants are abundant in humans and are ...

Multiplex shRNA screening of germ cell development by in vivo transfection of mouse testis

Nic and Abul’s paper is now online at G3 Genes | Genomes | Genetics. Congratulations! Abstract Spermatozoa are one of the few mammalian cell types ...

Genome-wide significance testing of variation from single case exomes

Amy’s n=1 paper is now online at Nature Genetics. Congratulations! Abstract Standard techniques from genetic epidemiology are ill-suited to formally assess the significance of variants ...

Min presents a poster at the CSHL Germ Cells meeting

Her poster title is “A single cell framework for characterizing testicular germ cell defects in mammals.” This was Min’s first meeting and a triumph! Congratulations!

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Multispecies purification of testicular germ cells

Ana & Min’s paper is now online at Biology of Reproduction. Congratulations! Abstract Advanced methods of cellular purification are required to apply genome technology to ...