Previous Grant Support

NIH AG00465-01 (RCDA) "Biology of the aging human testis." $320,000 direct for 6/01/1991-11/30/98. Larry Johnson, Principal Investigator.

NIH AG11093-10 (R01) "Control of Sertoli cell number and testicular size" $240,000 direct for 6/01/1992-11/30/1998. Larry Johnson, Principal Investigator.

NIH ESO7273-01 (T32) "Toxicology of environmental contaminants" $576,137 direct for 1992-2002. Steve Safe, Principal Investigator, Larry Johnson, Co-Investigator.

NIH ES09106 (P30) ACenter for Environmental and Rural Health $3,116,000 direct for 1997-2002. Stephen Safe, PI; Larry Johnson, Co-Investigator.

NIH N01-HD-8-3281 ADeclining sperm counts: autopsy study@ $335,292 direct for 9/1/1998-8/31/2001. Larry Johnson, Principal Investigator.

Texas Race Horse Research Account AControl of spermatogenesis in the stallion@ $48,000. 1997-99. Larry Johnson, Principal Investigator.

NIH. AG02260 "Biology of the aging human testis" $333,000 for 9-1-1983 to 12- 31-1988. William B. Neaves, Principal Investigator; Larry Johnson, Co-Principal Investigator.

NIH. HD16773 "Modulation of spermatogenesis" $263,000 for 4-1-1983 to 3-31-1992. Larry Johnson, Principal Investigator.

NIH. Institutional Grant. RR07175 "Post-mitotic attrition of germinal cells during spermatogenesis in humans" $4,000 for 8-1-1980 to 7-31-1981. Larry Johnson, Principal Investigator.

U.S. Air Force Contract C-0616. "Testicular function and the effects of microwave radiation" $50,607 for 4-1-1983 to 3-31-1985. Robert Lebovitz, Principal Investigator; Larry Johnson Co-Principal Investigator.

IBT-ERA. Cellular Regulation of stage-specific Sertoli cell gene expression & cyclic AMP production. $18,000/year for 1989-1991. Larry Johnson, Principal Investigator.

TAES-ERA. Effects of gossypol-containing cotton products on bovine reproduction. $40,000 1989-1991 ($5,000 for Dr. Johnson's part). Ron Randel, Principal Investigator; Gary Williams and Larry Johnson, Co-Principal Investigators.

College Research Enhancement Grant. "Establishment of a laboratory for stallion reproduction studies" $26,833 for 1989-1991. Larry Johnson, Principal Investigator.

TAES Research Enhancement Program Grant. (a) "Signaling in the control of reproductive processes." $174,000 for 1991-1993. Larry Johnson, Principal Investigator and coordinator of this program of projects ($9,000/yr. to Johnson laboratory). (b) "Further development of the equine Sertoli model for male reproductive studies." $20,000 for 1992-1993. Larry Johnson, Principal Investigator.

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