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Predicting Thoroughbred Yearling Auction Prices With Machine Learning: Evidence From The Keeneland September Sale, Yanchao Yang, John Clarke, Tapaan Madal '26, Thinh Nguyen '26, Trung Pham '25 Jun 2026

Predicting Thoroughbred Yearling Auction Prices With Machine Learning: Evidence From The Keeneland September Sale, Yanchao Yang, John Clarke, Tapaan Madal '26, Thinh Nguyen '26, Trung Pham '25

Business Analytics Faculty Publications

We apply machine learning methods to predict Thoroughbred yearling auction prices at the Keeneland September Sale (2020–2024). Our sample includes 5,788 yearling prices with pedigree data. We use both linear and tree-based models to predict log prices. We use cross-validation to tune model hyperparameters and select Ridge regression (α = 1.451) as the primary model for interpretation given its stability and interpretability. The Ridge regression explains approximately 54% of out-of-sample variation (R2≈ 0.5403). Sire and Dam Reputation emerge as the dominant predictors. Results provide pricing benchmarks and show how reputation and session structure shape Thoroughbred yearling auction prices.


Human Milk Small Extracellular Vesicles Elicit Changes In Inflammatory Response In Infant Human Intestinal Enteroids, Kacie D Waiters, Anthony S Peidl, Hailey A Mcandrew, Ashfia F Khan, Grace Adeniyi-Ipadeola, Hephzibah Nwanosike, Sana Sharif, M Funmi Babajide, Micah Castillo, Preethi H Gunaratne, Samaneh Karami, Hoa Nguyen-Phuc, Xinli Liu, Sasirekha Ramani, Tasneem Bawa-Khalfe Jun 2026

Human Milk Small Extracellular Vesicles Elicit Changes In Inflammatory Response In Infant Human Intestinal Enteroids, Kacie D Waiters, Anthony S Peidl, Hailey A Mcandrew, Ashfia F Khan, Grace Adeniyi-Ipadeola, Hephzibah Nwanosike, Sana Sharif, M Funmi Babajide, Micah Castillo, Preethi H Gunaratne, Samaneh Karami, Hoa Nguyen-Phuc, Xinli Liu, Sasirekha Ramani, Tasneem Bawa-Khalfe

Faculty, Staff and Students Publications

Human milk (HM) is the key nutritional source for infants and the most effective preventative approach against serious gastrointestinal inflammatory diseases like necrotizing enterocolitis (NEC) in preterm infants. Numerous studies in animal models indicate HM-derived small extracellular vesicles (HMEV) reduce severity of inflammation; however, data on human-specific models are limited. Isolated HMEV were characterized from early-HM (colostrum and transitional), mature-HM, and a combined, pasteurized donor bank-like HM sample (pool-); pool-HMEV retains a profile aligned with HMEV from both early- and mature-HM samples. Exposure to pool-HMEV initiates unique gene signatures associated with reduction of inflammation including NFkB-driven TNFα signaling in human …


Early-Stage Corticostriatal Hyperactivity Impairs Cognitive Flexibility Alongside Striatal Cholinergic Dysfunction In An Alzheimer's Disease Model, Yufei Huang, Xueyi Xie, Zhenbo Huang, Ruifeng Chen, Himanshu Gangal, Xuehua Wang, Karienn Souza, Julia Hunter, Xin Wu, Doodipala Samba Reddy, Jeannie Chin, Jun Wang Jun 2026

Early-Stage Corticostriatal Hyperactivity Impairs Cognitive Flexibility Alongside Striatal Cholinergic Dysfunction In An Alzheimer's Disease Model, Yufei Huang, Xueyi Xie, Zhenbo Huang, Ruifeng Chen, Himanshu Gangal, Xuehua Wang, Karienn Souza, Julia Hunter, Xin Wu, Doodipala Samba Reddy, Jeannie Chin, Jun Wang

Faculty, Staff and Students Publications

Cognitive flexibility declines early in Alzheimer's disease, yet the underlying circuit mechanisms remain unknown. Here, we report that young 5xFAD mice exhibit deficits in instrumental reversal learning prior to spatial memory impairment. This behavioral inflexibility is associated with abnormal neuronal reactivation in the medial prefrontal cortex and dorsomedial striatum. Electrophysiological recordings reveal that medial prefrontal cortex neurons are hyperexcitable and receive increased excitatory input. Furthermore, glutamatergic transmission from the medial prefrontal cortex to striatal direct-pathway medium spiny neurons is enhanced and coincides with strengthened inhibitory transmission onto striatal cholinergic interneurons, reduced spontaneous firing, and diminished striatal acetylcholine release. Critically, sustained …


Molecular Identification Of Cryptococcus Albidus Isolated From A Gingivitis Infection In A Male From Karbala City, Iraq, Maysaa Taqi Al-Khazali, Zahraa Raheem Murshidy, Sarah Kadhim Al-Rahimy, Sura Abd Ali Kadhim Mohammed, Dhuha Ali Hussein Jun 2026

Molecular Identification Of Cryptococcus Albidus Isolated From A Gingivitis Infection In A Male From Karbala City, Iraq, Maysaa Taqi Al-Khazali, Zahraa Raheem Murshidy, Sarah Kadhim Al-Rahimy, Sura Abd Ali Kadhim Mohammed, Dhuha Ali Hussein

Karbala International Journal of Modern Science

The current study presents a case of gingivitis caused by Cryptococcus albidus in a 35-year-old male from the city of Karbala in Iraq. This fungal species was identified via morphology, microscopy, additionally to the VITEK system. C. albidus was further confirmed using the polymerase chain reaction (PCR) technique by amplifying the 18S rRNA gene as a universal primer and sequencing. Sequences analysis revealed that this strain of C. albidus had not been previously documented in the NCBI database. Hence, the newly obtained sequences were submitted to the GenBank repository and assigned the accession number OQ975882.1, marking the first report of …


The Shorthorn: October 29, 1982 Jun 2026

The Shorthorn: October 29, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: October 28, 1982 Jun 2026

The Shorthorn: October 28, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: October 27, 1982 Jun 2026

The Shorthorn: October 27, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: October 20, 1982 Jun 2026

The Shorthorn: October 20, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: October 15, 1982 Jun 2026

The Shorthorn: October 15, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: October 14, 1982 Jun 2026

The Shorthorn: October 14, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: October 13, 1982 Jun 2026

The Shorthorn: October 13, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: October 8, 1982 Jun 2026

The Shorthorn: October 8, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: October 6, 1982 Jun 2026

The Shorthorn: October 6, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 29, 1982 Jun 2026

The Shorthorn: September 29, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 24, 1982 Jun 2026

The Shorthorn: September 24, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 22, 1982 Jun 2026

The Shorthorn: September 22, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 21, 1982 Jun 2026

The Shorthorn: September 21, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 15, 1982 Jun 2026

The Shorthorn: September 15, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 16, 1982 Jun 2026

The Shorthorn: September 16, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 14, 1982 Jun 2026

The Shorthorn: September 14, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 10, 1982 Jun 2026

The Shorthorn: September 10, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 8, 1982 Jun 2026

The Shorthorn: September 8, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 3, 1982 Jun 2026

The Shorthorn: September 3, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: September 2, 1982 Jun 2026

The Shorthorn: September 2, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: August 31, 1982 Jun 2026

The Shorthorn: August 31, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


The Shorthorn: August 25, 1982 Jun 2026

The Shorthorn: August 25, 1982

The Shorthorn Newspaper Collection: 1980s

No abstract provided.


Instructions To Authors, Academy Editors Jun 2026

Instructions To Authors, Academy Editors

Journal of the Arkansas Academy of Science

No abstract provided.


Artificial Food Colors Are Not Needed To Attract Ruby-Throated Hummingbirds (Archilochus Colubris) To Feeders, A. Siddiqui, R. Kannan Jun 2026

Artificial Food Colors Are Not Needed To Attract Ruby-Throated Hummingbirds (Archilochus Colubris) To Feeders, A. Siddiqui, R. Kannan

Journal of the Arkansas Academy of Science

No abstract provided.


Noteworthy Natural History Notes From The Neotropics, R. Kannan Jun 2026

Noteworthy Natural History Notes From The Neotropics, R. Kannan

Journal of the Arkansas Academy of Science

I report some rarely observed, infrequently reported, or hitherto unrecorded ecological interactions from the neotropics. These anecdotal observations were made opportunistically during nature tours or tropical biology classes in Belize, Panama, Costa Rica, and Trinidad & Tobago, between 2014 and 2024.


Status Of The Gray Fox In Arkansas, D. B. Sasse Jun 2026

Status Of The Gray Fox In Arkansas, D. B. Sasse

Journal of the Arkansas Academy of Science

The putative subspecies of gray fox (Urocyon cinereoargenteus ocythous) that is found in Arkansas has been proposed for federal protection under the Endangered Species Act, primarily due to potential population declines elsewhere in their range. In order to evaluate the need for such protection I evaluated the status of the gray fox in Arkansas utilizing data collected by the Arkansas Game and Fish Commission. Based on purchases of pelts by Arkansas-licensed fur dealers, opinions of Arkansas trappers about gray fox population trends, and hunter observation surveys, the gray fox appears to be widely distributed, abundant, and populations may …