Publications in referred journals: Reports of original research
These publications can be viewed online by looking up
their title on www.pubmed.gov.
Valenzuela OA, Couturier-Tarrade A, Choi YH, Aubriére MC,
Ritthaler J, Chavatte-Palmer P, and Hinrichs K. Impact of equine
assisted reproductive technologies (standard embryo transfer or
ICSI/in vitro culture/embryo transfer) on placenta and foal
morphometry and placental gene expression. Reprod. Fertil. Dev. (in
Canesin HS, Brom-de-Luna JG, Choi YH, Ortiz I, Diaw M and
Hinrichs K. Blastocyst development after intracytoplasmic sperm
injection of equine oocytes vitrified at the germinal-vesicle
stage. Cryobiology 75:52-59 (2017).
Choi YH and Hinrichs K. Vitrification of in vitro-produced
and in vivo-recovered equine blastocysts in a clinical
program. Theriogenology 87:48-54 (2017).
Choi YH, Gibbons JR, Canesin HS and Hinrichs K. Effect of medium
variations (zinc supplementation during oocyte maturation,
peri-fertilization pH, and embryo culture protein source) on equine
embryo development after intracytoplasmic sperm injection.
Theriogenology 86:1782-1788 (2016).
Choi YH, Penedo MCT, Daftari P, Velez IC and Hinrichs K.
Accuracy of preimplantation genetic diagnosis in equine in
vivo-recovered and in vitro-produced blastocysts. Reprod.
Fertil. Dev. 28:1382-1389 (2016).
Pozor MA, Sheppard B, Hinrichs K, Kelleman AA, Macpherson ML,
Runcan E, Choi YH, Diaw M and Mathews PM. Placental abnormalities
in equine pregnancies generated by somatic cell nuclear transfer
from one donor horse. Theriogenology 86:1573-1582 (2016).
Choi YH, Velez IC, Macías-García B, Riera FL, Ballard CS, and
Hinrichs K. Effect of clinically-related factors on in vitro
blastocyst development after equine ICSI. Theriogenology
Lewis N, Hinrichs K, Schnauffer K, Morganti M and Argo C McG.
Effect of oocyte source and transport time on rates of equine
oocyte maturation and cleavage after fertilisation by ICSI, with a
note on the validation of equine embryo morphological
classification. Clinical Theriogenology 8: 25-39 (2016).
Riera FL, Roldán JE, Gomez J and Hinrichs K. Factors
affecting the efficiency of foal production in a commercial oocyte
transfer program. Theriogenology 85:1053-1062 (2016).
Choi YH, Ross P, Velez IC, Macías-García B, Riera F and Hinrichs
K. Cell lineage allocation in equine blastocysts cultured in
varying glucose concentrations. Reproduction 150:31-41 (2015).
Ing NH, Brinsko SP, Curley Jr KO, Forrest DW, Love CC, Hinrichs
K, Vogelsang MM, Varner DD and Welsh Jr TH. Dexamethasone
acutely regulates endocrine parameters in stallions and
subsequently affects gene expression in testicular germ cells.
Anim. Reprod. Sci. 152:47-54 (2015).
Choi YH, Velez IC, Macías-García B and Hinrichs K. Timing
factors affecting blastocyst development in equine somatic cell
nuclear transfer. Cell. Reprogram. 17:124-130 (2015).
Loux SC, Macías-García B, González-Fernández L, DeSiqueira
Canesin H, Varner DD and Hinrichs K. Regulation of axonemal
motility in demembranated equine sperm. Biol. Reprod. 91:152, 1-16
Macías-García B, González-Fernández L, Rocha AM, Guimarães T,
Peña FJ, Varner DD and Hinrichs K. Effect of calcium, bicarbonate
and albumin on capacitation-related events in equine sperm.
Reproduction 149:87-99 (2014).
Hayden SS, Blanchard TL, Brinsko SP, Varner DD, Hinrichs K and
Love CC. The “dilution effect” in stallion sperm.
Theriogenology 83:772-777 (2014).
Martino NA, Dell’Aquila ME, Filioli Uranio MF, Rutigliano L,
Nicassio M, Lacalandra GM and Hinrichs K. Effect of holding equine
oocytes in meiosis inhibitor-free medium before in vitro maturation
and of holding temperature on meiotic suppression and mitochondrial
energy/redox potential. Reprod. Biol. Endocrin. 12:99, 1-12
Whigham AR, Blanchard TL, Love CC, Teague SR, Brinsko SP, Welsh
Jr TH, Hinrichs K, Varner DD. Equine semen quality following sperm
exposure to seminal plasma stored under different conditions.
Clinical Theriogenology 6: 459-466 (2014).
Choi YH, Ritthaler J and Hinrichs K. Production of a
mitochondrial-DNA identical cloned foal using oocytes recovered
from immature follicles of selected mares. Theriogenology
Loux SC, Crawford KR, Ing NH, González-Fernández L,
Macías-García B, Love CC, Varner DD, Velez IC, Choi YH and Hinrichs
K. CatSper and the relationship of hyperactivated motility to
intracellular calcium and pH kinetics in equine sperm. Biol.
Reprod. 89:123, 1-15 (2013).
Foss R, Ortis H and Hinrichs K. Effect of potential oocyte
transport protocols on blastocyst rates after ICSI in the horse.
Equine Vet. J. 45, Suppl. 45:39-43 (2013).
González-Fernández L, Macías-García B, Loux SC, Varner DD,
Hinrichs K. Focal adhesion kinases and
calcium/calmodulin-dependent protein kinases regulate protein
tyrosine phosphorylation in stallion sperm. Biol. Reprod. 88:138,
Vernunft A, Alm H, Tuchscherer A, Kanitz W, Hinrichs K and
Torner H. Chromatin and cytoplasmic characteristics of equine
oocytes recovered by transvaginal ultrasound-guided follicle
aspiration are influenced by the developmental stage of their
follicle of origin. Theriogenology 80:1-9 (2013).
Choi YH, Norris JD, Velez IC, Jacobson CC, Hartman DL and
Hinrichs K A viable foal obtained by equine somatic cell nuclear
transfer using oocytes recovered from immature follicles of live
mares. Theriogenology 79: 791-796 (2013).
Hinrichs K, Choi YH, Norris JD, Love LB, Bedford-Guaus SJ,
Hartman DL and Velez IC. Evaluation of foal production following
intracytoplasmic sperm injection and blastocyst culture of oocytes
from ovaries collected immediately before euthanasia or after death
of mares under field conditions. J. Am. Vet. Med. Assoc.
Velez IC, Arnold C, Jacobson CC, Norris JD, Choi YH, Edwards JF,
Hayden SS and Hinrichs K. Effects of repeated transvaginal
aspiration of immature follicles on mare health and ovarian status.
Equine Vet. J. 44, Suppl 43:78-83 (2012).
González-Fernández L, Macías-García B, Velez IC, Varner DD,
Hinrichs K. Calcium-calmodulin and pH regulate protein
tyrosine phosphorylation in stallion spermatozoa. Reproduction
Cavinder CA, Burns SA, Coverdale JA, Hammer CJ Holub G and
Hinrichs K. Late gestational nutrition of the mare and
potential effects on endocrine profiles and adrenal function of the
offspring. Prof. Anim. Scientist 28:344-350 (2012).
Hayden SS, Blanchard TL, Brinsko SP, Varner DD, Hinrichs K and
Love CC. Pregnancy rates in mares inseminated with 0.5 or 1 x
106 sperm using hysteroscopic or transrectally guided deep-horn
insemination techniques. Theriogenology 78:914-920 (2012).
Choi YH, Varner DD, Love CC, Hartman DL and Hinrichs K.
Production of live foals via intracytoplasmic injection of
lyophilized sperm and sperm extract in the horse.
Reproduction, 142:529-538 (2011).
Foster ML, Love CC, Varner DD, Brinsko SP, Hinrichs K, Teague S,
LaCaze K, and Blanchard TL. Comparison of methods for assessing
integrity of equine sperm membranes. Theriogenology 76:334-341
Choi YH, Velez IC, Riera FL, Roldán JE, Hartman DL, Bliss SB,
Blanchard TL, Hayden SS and Hinrichs K. Successful cryopreservation
of expanded equine blastocysts. Theriogenology 76:143-152
Foster ML, Varner DD, Hinrichs K, Teague S, LaCaze K, Brinsko
SP, Blanchard TL and Love CC. Agreement between measures of
total motility and membrane integrity in stallion sperm.
Theriogenology 75:1499-1505 (2011).
Choi YH, Gustafson-Seabury A, Velez IC, Hartman DL, Bliss S,
Riera FL Roldán JE, Chowdhary B and Hinrichs K. Viability of
equine embryos after puncture of the capsule and biopsy for
preimplantation genetic diagnosis. Reproduction, 140:893-902
Mortensen CJ, Choi YH, Ing NH, Kraemer DC, Vogelsang MM and
Hinrichs K. Heat shock protein 70 gene expression in equine
blastocysts after exposure of oocytes to high temperatures in vitro
or in vivo after exercise of donor mares. Theriogenology 74:374-383
Johnson AK, Clark-Price SC, Choi YH, Hartman DL, and Hinrichs
K. Physical and clinicopathologic findings in foals produced
by somatic cell nuclear transfer – 14 cases (2005-2008). J.
Am. Vet. Med. Assoc. 236:983-990 (2010).
Jacobson CC, Choi YH, Hayden SS and Hinrichs K. Recovery
of mare oocytes on a fixed biweekly schedule, and resulting
blastocyst formation after intracytoplasmic sperm injection.
Theriogenology 73:1116-1126 (2010).
Choi YH, Harding HD, Obermiller AD, Hartman DL, Kurosaka S,
McLaughlin KJ, and Hinrichs K. The uterine environment
modulates trophectodermal POU5F1 levels in equine blastocysts.
Reproduction 38: 589-599 (2009).
Choi YH, Hartman DL, Fissore RA, Bedford-Guaus SJ and Hinrichs
K. Effect of sperm extract injection volume, injection of
PLCζ cRNA, and tissue cell line on efficiency of equine nuclear
transfer. Cloning Stem Cells 11: 301-308 (2009).
McPartlin LA, Suarez SS, Czaya CA, Hinrichs K and Bedford-Guaus
SJ. Hyperactivation of stallion sperm is required for
successful in vitro fertilization of equine oocytes. Biol. Reprod.
Mortensen CJ, Choi YH, Hinrichs K, Ing NH, Kraemer DC, Vogelsang
SG and Vogelsang MM. Embryo recovery from exercised
mares. Anim. Reprod. Sci.110:237-244 (2009).
Bedford-Guaus SJ, Yoon S-Y, Fissore RA, Choi Y-H and Hinrichs K.
Microinjection of mouse PLC complementary RNA into mare oocytes
induces long-lasting intracellular calcium ([Ca2]i) oscillations
and embryonic development. Reprod. Fertil. Dev. 20:875-883
Alm H, Choi YH, Love L, Heleil B, Torner H and Hinrichs K.
Holding bovine oocytes in the absence of maturation inhibitors:
kinetics of in vitro maturation and effect on blastocyst
development after in vitro fertilization. Theriogenology
Ribeiro BI, Love LB, Choi YH and Hinrichs K. Transport of equine
ovaries for assisted reproduction. Anim. Reprod.
Hanna C, Long C, Hinrichs K, Westhusin M and Kraemer D.
Assessment of canine oocyte viability after transportation and
storage under different conditions. Anim. Reprod. Sci. 105:451-456
Hinrichs K, Choi YH, Varner DD and Hartman DL. Production
of cloned horse foals using roscovitine-treated donor cells and
activation with sperm extract and/or ionomycin. Reproduction
Hinrichs K, Choi YH, Walckenaer BE, Varner DD, and Hartman DL.
In vitro-produced equine embryos: production of foals after
transfer to recipient mares, assessment by differential staining,
and effect of medium calcium concentrations during culture.
Theriogenology 68:521–529 (2007).
Roasa LM, Choi YH, Love CC, Romo S, Varner DD and Hinrichs K.
Ejaculate and type of freezing extender affect rates of
fertilization of horse oocytes in vitro. Theriogenology
Choi YH, Love LB, Varner DD and Hinrichs K. Effect of
holding technique and culture drop size in individual or group
culture on blastocyst development after ICSI of equine oocytes with
low meiotic competence. Animal Reprod. Sci., 102:38-47
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