Paul J. Turek
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Paul Turek | |
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![]() Paul Turek in 2009 | |
Born | |
Alma mater | Yale College, New Haven, CN |
Occupation(s) | Physician, TV Personality and Medical Expert on Men's Reproductive Health |
Known for | FNA Mapping, Men's Fertility Research, and Male Reproductive Health |
Scientific career | |
Institutions | Men's Reproductive Health Clinical Research Center The Turek Clinic |
Website | http://www.theturekclinic.com |
Paul J Turek (born July 8, 1960, Manchester, Connecticut) is an American physician and surgeon, men's reproductive health specialist, and businessman.[1]
Early life
Paul J. Turek was born in Manchester, Connecticut to immigrant parents. His mother was the administrative secretary in the Manchester public school system, while his father was a sheet metal mechanic and welder. He attended Manchester High School and graduated salutatorian in 1978.
Education and Training
At Yale College in New Haven, Connecticut, he graduated summa cum laude, Phi Beta Kappa, received the Henry J. Belknap Prize in the Biological Sciences, and co-authored several scientific publications from work in the laboratory of Dr. Robert Handschumacher in the Department of Pharmacology at the Yale School of Medicine. While at Stanford Medical School, he participated in immunology research and developed an interest in the surgical discipline of urology. He pursued his internship and residency training in urology at the Hospital of the University of Pennsylvania. During this time, he developed an interest in urologic microsurgery and reproductive medicine and soon after pursued fellowship training in microsurgery and male reproductive medicine under the guidance of Dr. Larry Lipshultz at Baylor College of Medicine in Houston, Texas. After completing his fellowship, he was recruited to the faculty of the University of California San Francisco (UCSF)
Medical Background
Paul Turek is a is board-certified urologist and microsurgeon, a Fellow in numerous national and international urologic and men's health societies, and one of the world's leading male fertility experts. Dr. Turek has performed and published extensive research in men's reproductive health issues including genetic infertility, ejaculatory duct obstruction, immunologic infertility, quality of life issues with infertility, testis cancer and stem cell science, and has developed several innovative and published techniques for evaluating and treating male infertility. While at UCSF, he was Director of the Male Reproductive Clinical Laboratory, Program Leader of PROGENI (The Program in the Genetics of Infertility), Director of the UCSF Men's Reproductive Health Clinic and Research Program, and the director of a National Institutes of Health grant to train new faculty in men's reproductive health. He has authored more than 175 publications on clinical and scientific issues in reproductive health, and serves as a consultant to industry and to the U.S. government on matters relating to men's reproductive health. Through his published work, he is clearly a proponent of the theory that male infertility is an early marker for other diseases that occur later in life (i.e. that infertility is an early "window" into later men's health issues) and, as an advisory board member for Men's Health Network and other organizations, is an outspoken advocate for men's health issues. A noted teacher and lecturer, he was awarded membership in the Academy of Medical Educators and became a full professor, with an endowed chair in teaching funded by the Academy at UCSF.[2]
Today, Paul is the Director of The Turek Clinic, a medical center that specializes exclusively in men's reproductive health care. The clinic is dedicated to treating the unique conditions that affect reproductive age men. He continues to be heavily involved in scientific and clinic research and has continued his 10 year collaboration with Dr. Renee Reijo Pera, a noted stem cell researcher at Stanford University School of Medicine. He is President Elect (2010) of the American Society of Andrology and heavily involved with a dozen other national and international professional societies including the Royal Society of Medicine (UK), the Societe International d' Urologie, the American Urological Association, the American College of Surgeons, the American Society for Reproductive Medicine, the Society for the Study of Male Reproduction and the International Society of Andrology. Paul is married to Ashley Stiles Turek and has 2 daughters.
Research and Inventions
Turek has designed and led in numerous key research programs, as well as inventing several procedures, that have had significant impact on the science of men's reproductive health.
FNA Mapping
Turek is the inventor of Fine Needle Aspiration (FNA) Mapping, also known less formally as Sperm Mapping, testicular cartography, or "GPS for the testis." FNA Mapping is a non-invasive office procedure that can be performed in a standardized, template fashion to identify men who qualify for, and assist in the planning of, sperm retrieval for IVF-ICSI.[3] This technique has been important because it has improved identification of men who are likely to have a successful sperm retrieval while at the same time avoiding costly and unnecessary assisted reproductive techniques. FNA Mapping has become a fundamental procedure in the profession and has been adopted at most reproductive centers around the world.[4]
The success of assisted reproductive techniques such as intracytoplasmic sperm injection (ICSI) encouraged reproductive clinicians to look beyond the ejaculate and into the male reproductive tract to find sperm. In men with no sperm count (azoospermia), it soon became clear that sperm could be found in the testes and used with ICSI, but sperm production was characteristically “patchy” or “focal” in azoospermic testes. FNA Mapping was designed to diagnose the degree of "patchiness" of sperm production in azoospermic men and determine, among other things, whether a sperm retrieval would succeed in a specific patient.[5] Prior to FNA Mapping, testis biopsy was the major procedure for determining the quality of sperm presence. Testis biopsy is a more invasive procedure than FNA Mapping, and studies have shown that FNA Mapping provides better and more complete information about sperm presence.[6]
In addition, FNA Mapping has been used to determine the effectiveness of mapping in patients after sterilizing chemotherapy[7], the ability to find and diagnose small testis tumors[8], and the ability of mapping to precisely define subsets of infertile men for more accurate phenotyping for molecular biology and genetic studies.[9],[10]
Ejaculatory Duct Obstruction and Ejaculatory Duct Mamometry
In a series of papers, Turek and his team made a significant advancement in the diagnosis of ejaculatory duct obstruction (EDO) as a cause of male infertility by studying and investigating the approach and limitations of current treatments for this condition.[11],[12] This led to a prospective, comparative study of currently used techniques to diagnosis EDO[13] followed by the invention and publication of a dynamic, physiologically relevant test, termed ejaculatory duct manometry, to definitively diagnose this surgical condition.[14]
Evolving the Hypoosmotic Swelling Test
The Hypoosmotic Swelling Test is a laboratory test to measure the functional integrity of the human sperm membrane. In this test, the sperm is exposed to a hypososmotic solution consisting of a 50:50 mixture of 150 mosmol fructose and 150 mosmol sodium citrate. The tails of normal sperm will swell when exposed to this solution, whereas damaged sperm with low motility will not swell measurably.
Although a moving or motile sperm was traditionally required for use with this technique, some infertile men have genetically immotile sperm and are unable to take advantage of this technology to become fathers.[15] In early research in this area, Turek tried to understand more about how sperm “viability” relates to “motility."[16] Subsequently, Dr. Turek and his team evolved the Hypoosmotic Swelling Test into a therapeutic tool that harmlessly and physiologically “pokes” a non-moving sperm to determine whether it is alive and therefore able to be used for ICSI.[17] This technique was subsequently applied to men with genetically immotile sperm with success[18] and this technique is now used routinely in many reproductive centers worldwide.
A New Approach to Genetic Testing for Male Infertility
Concerned about the risk of transmitting genetic male infertility or other genetic issues to offspring with the use of modern assisted reproductive techniques such as ICSI, Turek founded a unique, trademarked program called PROGENI (Program in the Genetics of Infertility) at the University of California San Francisco. PROGENI's methodology is based on the classic genetic counseling philosophy that advocates non-prescriptive testing for genetic disease (an approach which is based on informing the patient of risks and then letting the patient decide whether he will undergo testing to delineate risk). Turek has published over a dozen papers on improved patient outcomes and decision making from over 800 patients that have entered the program since inception.[19],[20]
Using Testis Stem Cells to Create Embryonic Stem Cells
The debate about the use of embryonic stem cells for research has been loud, acrimonious, and highy politicized with the result that embryonic stem cells were effectively banned for research uses in the United States. To solve the problem of limited embryonic stem cell availability, Turek and his colleagues invented a process by which the early germline stem cells from the normal adult testis, called spermatogonia, can be coaxed into becoming true, embryonic-like stem cells when placed in an appropriate culture environment.[21] This finding has been independently confirmed by other research groups in the world and opens up the possibility of making embryonic stem cells for regenerative, cell-based therapy for men in the future without the need for embryos and all of the political and ethical issues that the use of human embryos engender.
Identifying Lifestyle Issues That Effect Male Infertility
Throughout his career, Turek has been interested in defining common exposures that may lead to male infertility. He has published studies on the effects of hot baths[22] and anabolic steroids[23] on male infertility and opined about the boxer-brief controversy[24] and the ability of the standard male infertility evaluation to detect toxic insults.[25] He has examined the toxic effect of medications such as the antioxidant selenium[26] and the anti-inflammatory drug class called biological response modifiers on male fertility.[27] He has also tried to better delineate the reproductive and general health risks posed by a common birth defect in boys, the undescended testicle.[28],[29],[30]
Paul Turek on Television and Radio
Paul Turek has become an on-air spokesman for men's reproductive issues. He has appeared on numerous television and radio programs, including ABC's 20/20, CNN, ABC World News Tonight, and Good Morning America. He is currently a regular guest on ABC's View from The Bay in San Francisco.
Television Appearances
ABC World News Tonight: American Agenda. Infertility.
CBS Television: Are Sperm Counts Dropping?
Nightly News, Channel 5, CBS: Are Sperm Counts Dropping?
ABC Good Morning America: The Hypoosmotic Swelling Test. Joan London interview
CNN News, National broadcast. The Hypo-osmotic Swelling Test for Viable Sperm
BBC, London England: Sperm Hypoosmotic Swelling Test
CBS "This Morning": The Diagnosis and Treatment of Male Infertility
ABC News, Channel 7, San Francisco: Commentary on Declining Sperm Counts
ABC 20/20 News: Interview on Posthumous Reproduction
PBS Television, Frontline: The Ethical and Genetic Aspects of Infertility
KPIX TV Channel 5: The Story of Testis Prostheses
The Economist TV: Infertility and Inheritance
Dean Edell Show. ABC News:. Male Genetic Infertility
Der Spegiel TV: Ethical and Scientific Frontiers in Assisted Reproduction
KTVU TV Channel 2: Testosterone and Age
KPIX TV Channel 5: Premature Ejaculation
KPIX TV News Channel 5: Laptops and male infertility.
KTVU TV Channel 2, "Mornings at 2": Stem Cells from the Adult Testis
ABC TV: View from the Bay
Radio Appearances
KQED Radio Forum, Topic: Infertility.
National Public Radio (KALW in SF): Prevention, Diagnosis and Treatment of Male Infertility
National Public Radio Progam "Beyond Computers": The Ethics of Posthumous Reproduction.
3W Radio Show: Hot tubs and Male Infertility
WNYC/NPR Radio Lab (Lulu Miller): The Male Pill
CBS News, Channel 5: Health Update (Mulvihill MD) Erection drugs and hearing loss.
KGO Radio, Jon Brustow: The Turek Clinic: A Men’s Health Experience
KGO Radio: Men’s Health Week
Major Print Interviews
Der Spiegel
Esquire
Forbes
GQ
London Times
Men's Health
Newsweek
New York Times
People Magazine
USA Today
Hospital Staff Appointments
Hospital Appointment | Dates |
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Moffitt Hospital-University of California | 1994- |
UCSF/Mt. Zion Medical Center | 1994- |
San Francisco General Hospital | 1994-2008 |
Veterans Administration Medical Center | 1994-2008 |
St. Mary’s Hospital | 2006- |
California Pacific Medical Center[31] | 2008- |
St. Francis Hospital | 2008- |
U.S. Naval Medical Center, Oakland Consulting Staff | 1994-6 |
Stanford University Hospital Visiting Staff Surgeon |
Board Certifications and Licensure
Certification/License | Dates |
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American Board of Urology, Diplomate | 1996- |
American College of Surgeons, Fellow | 1997- |
California State Dept. Health, High Complexity Laboratory Director | 1996- |
California State Dept. Health, Tissue Bank Director | 1996-2002 |
California State Dept. Health, Fluoroscopy X-Ray Supervisor and Operator | 1995- |
State of California, Medical License[32] | 1993- |
U.S. Drug Enforcement Administration License | 1989- |
State of Pennsylvania, Medical License | 1987-2007 |
Academic Honors and Awards
First Prize, Resident Essay Competition, Philadelphia Urological Society 1991
First Prize, Resident Essay Competition, Philadelphia Urological Society 1992
Henry Weyrauch Award, 43rd Western Urologic Forum 1994
Best Poster, Male Infertility Session, American Urological Association 1995
James L. Goebel Grand Prize, Posters, West. Section, American Urological Assoc. 1995
Best Poster, Etiology of Male Infertility, American Urological Association 1996
Second Prize, Posters, Western Section, American Urological Association 1996
UCSF Young Faculty Development Award 1996
Best Poster Prize, Etiology of Male Infertility, American Urological Association 1997
Second Prize, Clinical Research, Northern California Urological Society 1997
Best of Session, Poster, Western Section, American Urological Association 1997
Citation of Distinguished Contribution, RESOLVE 1997
AUA/EUA Academic Fellowship European Exchange 1998
Society of Male Reproduction and Urology Travelling Award 1998
Outstanding Leadership, Clinical Preceptor, UCSF Class of 2000, Teaching Award 1998 [2]
First Prize, Posters, Western Section, American Urological Association 1998
Young Surgeon Award, American College of Surgeons, N. Cal. Chapter 2000
Grand Prize, Posters, American Society for Reproductive Medicine, Annual Meeting 2001
Election to Haile T. Debas Academy of Medical Educators 2003
Faculty of Medicine 1000 (international faculty literature review organization) 2004
Second Prize Overall, & First Prize, Session I, Posters, West. Section, AUA 2004
Yamanouchi Prize Paper for Infertility, AUA Annual Meeting 2005
Academy of Medical Educators Endowed Chair in Medical Education 2006
NIH-NICHD Advisory Panel: Fertility Preservation 2007
3rd Place, Clinical Research Prize, AUA Annual Meeting 2007
Prize Paper, Society of Study of Male Reproduction, ASRM meeting 2007
3rd Prize, Joseph McCarthy Essay Contest, Western Section, AUA 2007
Overseas Fellow, Royal Society of Medicine, London, England 2008
Society Memberships
Society Membership | Dates |
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American College of Surgeons | |
American Urological Association | |
Societe Internationale d'Urologie | 2004-2007 |
American Society for Reproductive Medicine | |
American Association of Clinical Urologists | |
Society for the Study of Male Reproduction | |
American Society of Andrology | |
Society for Male Reproduction and Urology | |
Pacific Coast Fertility Society Program Committee | 2008- |
RESOLVE | |
Northern California Urologic Society, President | 2001-2003 |
Northern California Urologic Society, President | 2008- |
Western Section, American Urological Association | 1995- |
Northern California Chapter, American College of Surgeons | |
Honorary Member, Al-Alzhar University Center for Research and Management of Impotence and Infertility, Cairo, Egypt | |
Scientific Advisor, Egyptian Afro-Asian Assisted Fertilization and Conception Association | |
Association for Voluntary Surgical Contraception (AVSC International) | |
UCSF Comprehensive Cancer Center | 2004- |
Graduate Group, Global Health Services (Director, Haile Debas MD) | 2006- |
California Medical Society | 2007- |
San Francisco Medical Society | 2007- |
Royal Society of Medicine, London, UK | 2008- |
Editorial Board Memberships
Current Opinions in Urology
International Journal of Men's Health [33]
International Brazilian Journal of Urology [34]
Archives of Andrology
Systems Biology in Reproductive Medicine [35]
References
- ^ Christian, Spencer (2005-10-31). "Myth Busting on Male Fertility". Retrieved 11 February 2009.
{{cite web}}
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ignored (help) - ^ a b http://www.cpmc.org/providersearch/?sitecfg=49&vs=detail&action=providerdetail&masterid=19709&isLevelOne=1&recId=ps99848sp9984838171778&healthplans=0&physname=Paul J. Turek, M.D.|
- ^ Turek PJ, Givens C, Schriock ED, Meng M, Pederson RA and Conaghan J. Testis sperm extraction and intracytoplasmic sperm injection guided by prior fine needle aspiration mapping in nonobstructive azoospermia. Fertility and Sterility. 71: 552-8, 1999|
- ^ Shefi S, Kaplan K and Turek PJ. Analysis of spermatogenesis in nonobstructive azoospermic and virtually azoospermic men with known testicular pathology. Reprod Biol Med Online. 18: 460-64, 2009.|
- ^ Turek P.J, I. Cha, Ljung, B-M., and Conaghan J. Diagnostic Findings From Testis Fine Needle Aspiration Mapping in Obstructed and Non-Obstructed Azoospermic Men. Journal of Urology, 163: 1709-1716, 2000.|
- ^ Turek PJ, I Cha, and Ljung, B-M. Systematic Fine Needle Aspiration of the Testis: Correlation to Biopsy and the Results of Organ “Mapping” for Mature Sperm in Azoospermic Men. Urology. 49: 743-748, 1997.|
- ^ Damani MN, Master V, Meng MV, Turek PJ, Oates RM. Post-chemotherapy ejaculatory azoospermia: Fatherhood with sperm from testis tissue using intracytoplasmic sperm injection. J Clin Oncology 20: 930-936, 2002.|
- ^ Freedland SJ, Cha I, Turek PJ. Non-Palpable Leydig Cell Tumors Diagnosed by Fine Needle Aspiration. Journal of Urology, 158: 543-544, 1997|
- ^ Black LD, Nudell DM, Cha I, Cherry AM and PJ Turek. Compound Genetic Defects as a Cause of Male Infertility. Human Reproduction. 15: 449-51, 2000. |
- ^ Nudell DM, Castillo M, Turek PJ, and Reijo Pera, R. Increased frequency of mutations in DNA in infertile men with meiotic arrest. Human Reproduction. 15: 1289-1294, 2000.|
- ^ Turek PJ, Magana JO, Lipshultz LI. Semen Parameters Before and After Transurethral Surgery for Ejaculatory Duct Obstruction. Journal of Urology, 155: 1291-3, 1996|
- ^ Kadioglu A, Cayan S, Tefekli A, Orhan I, Engin G, Tellaloglu S and Turek PJ. Does response to treatment of ejaculatory duct obstruction in infertile men vary with pathology? Fertility and Sterility. 76:138-42, 2001 |
- ^ Purohit R, Wu D, Shinohara K, and Turek PJ. A comparison of three diagnostic methods in the evaluation of ejaculatory duct obstruction. J. Urol. 171: 232-36, 2004 |
- ^ Eisenberg M, Walsh TJ, Garcia M, Shinohara K and Turek PJ. Ejaculatory Duct Manometry in Normal Men and in Patients with Ejaculatory Duct Obstruction. J. Urol. 180: 255-60, 2008. Epublished 20 May 2008 |
- ^ Turek PJ and Smikle CB. Viability of Non-Motile Sperm. Assisted Reproduction Reviews. 7: 34-38, 1997 |
- ^ Bachtell N, and Conaghan J. and Turek PJ. The Relative Viability of Human Spermatozoa from the Testis, Epididymis and Vas Deferens Before and After Cryopreservation. Human Reproduction. 14: 101-104, 1999 |
- ^ Smikle CB and Turek PJ. Hypoosmotic Swelling Can Accurately Determine the Viability of Nonmotile Sperm. Molecular Reproduction and Development. 47: 200-203, 1997 |
- ^ Cayan S., Schriock E, Conaghan J, and Turek PJ. Birth after intracytoplasmic sperm injection using testicular sperm from men with Kartagener/immotile cilia syndrome. Fertil Steril. 76: 1-3, 2001 |
- ^ Black LD, Nudell DM, Cha I, Cherry AM and PJ Turek. Compound Genetic Defects as a Cause of Male Infertility. Human Reproduction. 15: 449-51, 2000 |
- ^ Cayan S, Erdemir F, Ozbey I, Turek PJ, Kadioglu A, Tellaloglu S. Can varicocelectomy significantly change the way couples use assisted reproductive technologies? Journal of Urology 167:1749-56, 2002 |
- ^ Kossak N, Meneses J, Shefi S, Nyugen HN Chavez S, Nicholas C, Gromoll J, Turek PJ and Reijo Pera R. Isolation and characterization of human spermatogonial stem cell-derived pluripotent cells. Stem Cells. 27(1):138-149, 2009. Epub 18 Oct 2008 |
- ^ Shefi S, Tarapore PE, Walsh TJ, Croughan C, Turek PJ. The reversibility of hyperthermia on semen quality in infertile men. Int Braz J Urol. 33:50-6; discussion 56-7, 2007 |
- ^ Turek PJ, Williams RW, Gilbaugh JH, Lipshultz LI. The Reversibility of Anabolic-Induced Azoospermia. Journal of Urology, 153 (5): 1628-1630, 1995 |
- ^ Turek P.J. Boxers and Biopsies: Separating Fashion From Fact in Male Infertility. Journal of Urology. 160: 1337, 1998 |
- ^ Turek PJ. Does the Male Infertility Clinical Evaluation Adequately Assess Toxiciological Exposures? Fertil Steril. 2008, 89(2 Suppl):e69 |
- ^ Hawkes WC and Turek PJ. The effects of dietary selenium on sperm motility in healthy men. J. Androl. 22: 764-771, 2001 |
- ^ Mahadevan U, Terdiman J, Aron J, Jacobsen S and Turek PJ. Infliximab and semen quality in men with Inflammatory bowel disease. Inflam Bowel Dis. Apr;11(4):395-99, 2005 |
- ^ Walsh TJ, Dall’era MA, Croughan M, Carroll PR, Turek PJ. Cryptorchidism: prepubertal orchidopexy may prevent testis cancer J Urol. 178:1440-6; discussion 1446, 2007 |
- ^ Walsh TJ, Davies BJ, Croughan MS, Carroll PR, and Turek PJ. Racial disparities among boys with testicular germ cell tumors in the United States. J Urol. 2008, 179(5):1961-5. Epub 2008 Mar 20 |
- ^ Shefi S, Kaplan K and Turek PJ. Analysis of spermatogenesis in nonobstructive azoospermic and virtually azoospermic men with known testicular pathology. Reprod Biol Med Online. 18: 460-64, 2009 |
- ^ http://www.cpmc.org/providersearch/?sitecfg=49&vs=detail&action=providerdetail&masterid=19709&isLevelOne=1&recId=ps99848sp9984838171778&healthplans=0&physname=Paul J. Turek, M.D.|
- ^ http://licenselookup.mbc.ca.gov/licenselookup/lookup.php?LicenseType=G&LicenseNumber=79369%7C
- ^ http://www.mensstudies.com/publications/editors-international.mpx?p=6457fa7e1a324fa48141f0c1e1e7faf3&pi=0%7C
- ^ http://www.brazjurol.com.br/%7C
- ^ http://www.informaworld.com/smpp/title~db=jour~content=t713664683~tab=editorialboard%7C