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Sperm!
Detection!
  Rate!




             FNA Sites/Testicle!
Finding Sperm in Nonobstructive Azoospermia
   Microdissection    FNA Mapping
“Directed”
  TESE
                     Sperm Present




          <2 sites     >2 FNA        All FNA
         sperm/map     sites/map     sites/map


                        TESE         TESA
                        (n=29)       (n=38)
What Exactly is Metabolomics? !!
In the testis, somatic cells
are metabolically
“quiet” compared to
rapidly dividing germ
cells!




Analogy: A pile of bricks
along a desert road-
indicates something is
being built.!
The Metabolomic Signature of a Testicle
                    Phosphocholine (PC)!
                    Glycerophosphocholine (GPC)!       Total Choline!
                      Choline!
Normal/Fertile !
                                                        Aaronson et al. !
                     Creatine!                          Hum Reprod. 2010!
                                 Alanine!   Lactate!




Azoospermic Men
with Sertoli Cell
Only !
Aaronson et al. Hum Reprod.
2010
Leydig cells!

Stromal cells!

Sertoli cells!

Fibronectin!
Current and Future Treatments for Azoospermia
Current and Future Treatments for Azoospermia
Current and Future Treatments for Azoospermia

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Current and Future Treatments for Azoospermia

  • 1.
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8. Sperm! Detection! Rate! FNA Sites/Testicle!
  • 9.
  • 10. Finding Sperm in Nonobstructive Azoospermia Microdissection FNA Mapping
  • 11.
  • 12.
  • 13.
  • 14. “Directed” TESE Sperm Present <2 sites >2 FNA All FNA sperm/map sites/map sites/map TESE TESA (n=29) (n=38)
  • 15.
  • 16.
  • 17.
  • 18. What Exactly is Metabolomics? !!
  • 19. In the testis, somatic cells are metabolically “quiet” compared to rapidly dividing germ cells! Analogy: A pile of bricks along a desert road- indicates something is being built.!
  • 20. The Metabolomic Signature of a Testicle Phosphocholine (PC)! Glycerophosphocholine (GPC)! Total Choline! Choline! Normal/Fertile ! Aaronson et al. ! Creatine! Hum Reprod. 2010! Alanine! Lactate! Azoospermic Men with Sertoli Cell Only !
  • 21. Aaronson et al. Hum Reprod. 2010
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.