Unique Presentations of Burkholderia gladioli Infections in Several Strains of Immunocompromised Mice
Comp Med. 2023 Sep 20. doi: 10.30802/AALAS-CM-23-000016. Online ahead of print.ABSTRACTFour strains of experimentally naïve mice (NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ [NSG], NOD.Cg-Rag1tm1Mom Il2rgtm1Wjl/SzJ[NRG], B6.129S(Cg)-Stat1tm1Dlv/J [STAT1-/-], and B6.129S7-Ifngr1tm1Agt/J [IFNγR-/-] housed in a barrier facility developedunusual and seemingly unrelated clinical signs. Young NSG/NRG mice (n = 49, mean age = 4 ± 0.4 mo) exhibited nonspecificclinical signs of moderate-to-severe lethargy, hunched posture, decreased body condition, and pallor. In contrast to the NSG/NRGmice, the STAT1-/- and IFNγR-/-mice (n = 5) developed...
Source: Comparative Medicine - September 20, 2023 Category: Zoology Authors: Andrea J Osborne Sarah E Clark Tiffany L Whitcomb Penny L Devlin Matthew R Lanza Hannah M Atkins Source Type: research

Unique Presentations of Burkholderia gladioli Infections in Several Strains of Immunocompromised Mice
Comp Med. 2023 Sep 20. doi: 10.30802/AALAS-CM-23-000016. Online ahead of print.ABSTRACTFour strains of experimentally naïve mice (NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ [NSG], NOD.Cg-Rag1tm1Mom Il2rgtm1Wjl/SzJ[NRG], B6.129S(Cg)-Stat1tm1Dlv/J [STAT1-/-], and B6.129S7-Ifngr1tm1Agt/J [IFNγR-/-] housed in a barrier facility developedunusual and seemingly unrelated clinical signs. Young NSG/NRG mice (n = 49, mean age = 4 ± 0.4 mo) exhibited nonspecificclinical signs of moderate-to-severe lethargy, hunched posture, decreased body condition, and pallor. In contrast to the NSG/NRGmice, the STAT1-/- and IFNγR-/-mice (n = 5) developed...
Source: Comparative Medicine - September 20, 2023 Category: Zoology Authors: Andrea J Osborne Sarah E Clark Tiffany L Whitcomb Penny L Devlin Matthew R Lanza Hannah M Atkins Source Type: research

Unique Presentations of Burkholderia gladioli Infections in Several Strains of Immunocompromised Mice
Comp Med. 2023 Sep 20. doi: 10.30802/AALAS-CM-23-000016. Online ahead of print.ABSTRACTFour strains of experimentally naïve mice (NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ [NSG], NOD.Cg-Rag1tm1Mom Il2rgtm1Wjl/SzJ[NRG], B6.129S(Cg)-Stat1tm1Dlv/J [STAT1-/-], and B6.129S7-Ifngr1tm1Agt/J [IFNγR-/-] housed in a barrier facility developedunusual and seemingly unrelated clinical signs. Young NSG/NRG mice (n = 49, mean age = 4 ± 0.4 mo) exhibited nonspecificclinical signs of moderate-to-severe lethargy, hunched posture, decreased body condition, and pallor. In contrast to the NSG/NRGmice, the STAT1-/- and IFNγR-/-mice (n = 5) developed...
Source: Comparative Medicine - September 20, 2023 Category: Zoology Authors: Andrea J Osborne Sarah E Clark Tiffany L Whitcomb Penny L Devlin Matthew R Lanza Hannah M Atkins Source Type: research

Unique Presentations of Burkholderia gladioli Infections in Several Strains of Immunocompromised Mice
Comp Med. 2023 Sep 20. doi: 10.30802/AALAS-CM-23-000016. Online ahead of print.ABSTRACTFour strains of experimentally naïve mice (NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ [NSG], NOD.Cg-Rag1tm1Mom Il2rgtm1Wjl/SzJ[NRG], B6.129S(Cg)-Stat1tm1Dlv/J [STAT1-/-], and B6.129S7-Ifngr1tm1Agt/J [IFNγR-/-] housed in a barrier facility developedunusual and seemingly unrelated clinical signs. Young NSG/NRG mice (n = 49, mean age = 4 ± 0.4 mo) exhibited nonspecificclinical signs of moderate-to-severe lethargy, hunched posture, decreased body condition, and pallor. In contrast to the NSG/NRGmice, the STAT1-/- and IFNγR-/-mice (n = 5) developed...
Source: Comparative Medicine - September 20, 2023 Category: Zoology Authors: Andrea J Osborne Sarah E Clark Tiffany L Whitcomb Penny L Devlin Matthew R Lanza Hannah M Atkins Source Type: research

Unique Presentations of Burkholderia gladioli Infections in Several Strains of Immunocompromised Mice
Comp Med. 2023 Sep 20. doi: 10.30802/AALAS-CM-23-000016. Online ahead of print.ABSTRACTFour strains of experimentally naïve mice (NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ [NSG], NOD.Cg-Rag1tm1Mom Il2rgtm1Wjl/SzJ[NRG], B6.129S(Cg)-Stat1tm1Dlv/J [STAT1-/-], and B6.129S7-Ifngr1tm1Agt/J [IFNγR-/-] housed in a barrier facility developedunusual and seemingly unrelated clinical signs. Young NSG/NRG mice (n = 49, mean age = 4 ± 0.4 mo) exhibited nonspecificclinical signs of moderate-to-severe lethargy, hunched posture, decreased body condition, and pallor. In contrast to the NSG/NRGmice, the STAT1-/- and IFNγR-/-mice (n = 5) developed...
Source: Comparative Medicine - September 20, 2023 Category: Zoology Authors: Andrea J Osborne Sarah E Clark Tiffany L Whitcomb Penny L Devlin Matthew R Lanza Hannah M Atkins Source Type: research

Unique Presentations of Burkholderia gladioli Infections in Several Strains of Immunocompromised Mice
Comp Med. 2023 Sep 20. doi: 10.30802/AALAS-CM-23-000016. Online ahead of print.ABSTRACTFour strains of experimentally naïve mice (NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ [NSG], NOD.Cg-Rag1tm1Mom Il2rgtm1Wjl/SzJ[NRG], B6.129S(Cg)-Stat1tm1Dlv/J [STAT1-/-], and B6.129S7-Ifngr1tm1Agt/J [IFNγR-/-] housed in a barrier facility developedunusual and seemingly unrelated clinical signs. Young NSG/NRG mice (n = 49, mean age = 4 ± 0.4 mo) exhibited nonspecificclinical signs of moderate-to-severe lethargy, hunched posture, decreased body condition, and pallor. In contrast to the NSG/NRGmice, the STAT1-/- and IFNγR-/-mice (n = 5) developed...
Source: Comparative Medicine - September 20, 2023 Category: Zoology Authors: Andrea J Osborne Sarah E Clark Tiffany L Whitcomb Penny L Devlin Matthew R Lanza Hannah M Atkins Source Type: research

Unique Presentations of Burkholderia gladioli Infections in Several Strains of Immunocompromised Mice
Comp Med. 2023 Sep 20. doi: 10.30802/AALAS-CM-23-000016. Online ahead of print.ABSTRACTFour strains of experimentally naïve mice (NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ [NSG], NOD.Cg-Rag1tm1Mom Il2rgtm1Wjl/SzJ[NRG], B6.129S(Cg)-Stat1tm1Dlv/J [STAT1-/-], and B6.129S7-Ifngr1tm1Agt/J [IFNγR-/-] housed in a barrier facility developedunusual and seemingly unrelated clinical signs. Young NSG/NRG mice (n = 49, mean age = 4 ± 0.4 mo) exhibited nonspecificclinical signs of moderate-to-severe lethargy, hunched posture, decreased body condition, and pallor. In contrast to the NSG/NRGmice, the STAT1-/- and IFNγR-/-mice (n = 5) developed...
Source: Comparative Medicine - September 20, 2023 Category: Zoology Authors: Andrea J Osborne Sarah E Clark Tiffany L Whitcomb Penny L Devlin Matthew R Lanza Hannah M Atkins Source Type: research

Unique Presentations of Burkholderia gladioli Infections in Several Strains of Immunocompromised Mice
Comp Med. 2023 Sep 20. doi: 10.30802/AALAS-CM-23-000016. Online ahead of print.ABSTRACTFour strains of experimentally naïve mice (NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ [NSG], NOD.Cg-Rag1tm1Mom Il2rgtm1Wjl/SzJ[NRG], B6.129S(Cg)-Stat1tm1Dlv/J [STAT1-/-], and B6.129S7-Ifngr1tm1Agt/J [IFNγR-/-] housed in a barrier facility developedunusual and seemingly unrelated clinical signs. Young NSG/NRG mice (n = 49, mean age = 4 ± 0.4 mo) exhibited nonspecificclinical signs of moderate-to-severe lethargy, hunched posture, decreased body condition, and pallor. In contrast to the NSG/NRGmice, the STAT1-/- and IFNγR-/-mice (n = 5) developed...
Source: Comparative Medicine - September 20, 2023 Category: Zoology Authors: Andrea J Osborne Sarah E Clark Tiffany L Whitcomb Penny L Devlin Matthew R Lanza Hannah M Atkins Source Type: research

Unique Presentations of Burkholderia gladioli Infections in Several Strains of Immunocompromised Mice
Comp Med. 2023 Sep 20. doi: 10.30802/AALAS-CM-23-000016. Online ahead of print.ABSTRACTFour strains of experimentally naïve mice (NOD.Cg-Prkdcscid Il2rgtm1Wjl/SzJ [NSG], NOD.Cg-Rag1tm1Mom Il2rgtm1Wjl/SzJ[NRG], B6.129S(Cg)-Stat1tm1Dlv/J [STAT1-/-], and B6.129S7-Ifngr1tm1Agt/J [IFNγR-/-] housed in a barrier facility developedunusual and seemingly unrelated clinical signs. Young NSG/NRG mice (n = 49, mean age = 4 ± 0.4 mo) exhibited nonspecificclinical signs of moderate-to-severe lethargy, hunched posture, decreased body condition, and pallor. In contrast to the NSG/NRGmice, the STAT1-/- and IFNγR-/-mice (n = 5) developed...
Source: Comparative Medicine - September 20, 2023 Category: Zoology Authors: Andrea J Osborne Sarah E Clark Tiffany L Whitcomb Penny L Devlin Matthew R Lanza Hannah M Atkins Source Type: research

Isolation and Characterization of a Novel Alpha-Hemolytic Streptococcus spp. from the Oral Cavity and Blood of Septicemic Periparturient Immunodeficient Mice
Comp Med. 2023 Sep 11. doi: 10.30802/AALAS-CM-23-000020. Online ahead of print.ABSTRACTMISTRG is an immunodeficient mouse strain that expresses multiple human cytokines that support hematopoietic stem cell maintenance and myelopoiesis. While establishing a breeding colony of MISTRG mice in a dedicated barrier room, 6 cases of death or disease occurred in pregnant or postpartum mice. Clinically, this manifested as hunched posture, dyspnea, and 1 case of emaciation with ataxia. Pathologic analysis of 7 mice revealed multisystemic necrosuppurative inflammation variably affecting the uterus and placenta, joints, meninges, inne...
Source: Comparative Medicine - September 11, 2023 Category: Zoology Authors: Amy Funk Qidong Jia Laura Janke Ashley Crawford Amy Iverson Jason Rosch Joseph Emmons Chandra Savage Heather Glasgow Randall Hayden Elisa Margolis Harshan Pisharath Source Type: research

Polyomavirus-associated Disseminated T-cell Lymphoma in a Colony of Zebra Finches (Taeniopygia guttata)
Comp Med. 2023 Sep 11. doi: 10.30802/AALAS-CM-23-000011. Online ahead of print.ABSTRACTFour zebra finches in a closed research colony presented with variable clinical signs, including masses, skin lesions,shivering, and/or ruffled feathers. These birds were not responsive to treatment efforts; 3 died and one was euthanized. All4 were submitted for necropsy to determine the cause of the clinical signs. Gross necropsy and histopathologic findings fromall birds resulted in a diagnosis of round cell neoplasia in multiple organs, including the skin, liver, kidney, and reproductivetract, with intranuclear inclusion bodies in the...
Source: Comparative Medicine - September 11, 2023 Category: Zoology Authors: Katherine A Shuster Tzushan S Yang Kate T Snyder Nicole Creanza Patrick K Mitchell Laura B Goodman Jennifer K Grenier Nicholas M Tataryn Lauren E Himmel Katherine N Gibson-Corley Source Type: research

Isolation and Characterization of a Novel Alpha-Hemolytic Streptococcus spp. from the Oral Cavity and Blood of Septicemic Periparturient Immunodeficient Mice
Comp Med. 2023 Sep 11. doi: 10.30802/AALAS-CM-23-000020. Online ahead of print.ABSTRACTMISTRG is an immunodeficient mouse strain that expresses multiple human cytokines that support hematopoietic stem cell maintenance and myelopoiesis. While establishing a breeding colony of MISTRG mice in a dedicated barrier room, 6 cases of death or disease occurred in pregnant or postpartum mice. Clinically, this manifested as hunched posture, dyspnea, and 1 case of emaciation with ataxia. Pathologic analysis of 7 mice revealed multisystemic necrosuppurative inflammation variably affecting the uterus and placenta, joints, meninges, inne...
Source: Comparative Medicine - September 11, 2023 Category: Zoology Authors: Amy Funk Qidong Jia Laura Janke Ashley Crawford Amy Iverson Jason Rosch Joseph Emmons Chandra Savage Heather Glasgow Randall Hayden Elisa Margolis Harshan Pisharath Source Type: research

Polyomavirus-associated Disseminated T-cell Lymphoma in a Colony of Zebra Finches (Taeniopygia guttata)
Comp Med. 2023 Sep 11. doi: 10.30802/AALAS-CM-23-000011. Online ahead of print.ABSTRACTFour zebra finches in a closed research colony presented with variable clinical signs, including masses, skin lesions,shivering, and/or ruffled feathers. These birds were not responsive to treatment efforts; 3 died and one was euthanized. All4 were submitted for necropsy to determine the cause of the clinical signs. Gross necropsy and histopathologic findings fromall birds resulted in a diagnosis of round cell neoplasia in multiple organs, including the skin, liver, kidney, and reproductivetract, with intranuclear inclusion bodies in the...
Source: Comparative Medicine - September 11, 2023 Category: Zoology Authors: Katherine A Shuster Tzushan S Yang Kate T Snyder Nicole Creanza Patrick K Mitchell Laura B Goodman Jennifer K Grenier Nicholas M Tataryn Lauren E Himmel Katherine N Gibson-Corley Source Type: research

Isolation and Characterization of a Novel Alpha-Hemolytic Streptococcus spp. from the Oral Cavity and Blood of Septicemic Periparturient Immunodeficient Mice
Comp Med. 2023 Sep 11. doi: 10.30802/AALAS-CM-23-000020. Online ahead of print.ABSTRACTMISTRG is an immunodeficient mouse strain that expresses multiple human cytokines that support hematopoietic stem cell maintenance and myelopoiesis. While establishing a breeding colony of MISTRG mice in a dedicated barrier room, 6 cases of death or disease occurred in pregnant or postpartum mice. Clinically, this manifested as hunched posture, dyspnea, and 1 case of emaciation with ataxia. Pathologic analysis of 7 mice revealed multisystemic necrosuppurative inflammation variably affecting the uterus and placenta, joints, meninges, inne...
Source: Comparative Medicine - September 11, 2023 Category: Zoology Authors: Amy Funk Qidong Jia Laura Janke Ashley Crawford Amy Iverson Jason Rosch Joseph Emmons Chandra Savage Heather Glasgow Randall Hayden Elisa Margolis Harshan Pisharath Source Type: research

Polyomavirus-associated Disseminated T-cell Lymphoma in a Colony of Zebra Finches (Taeniopygia guttata)
Comp Med. 2023 Sep 11. doi: 10.30802/AALAS-CM-23-000011. Online ahead of print.ABSTRACTFour zebra finches in a closed research colony presented with variable clinical signs, including masses, skin lesions,shivering, and/or ruffled feathers. These birds were not responsive to treatment efforts; 3 died and one was euthanized. All4 were submitted for necropsy to determine the cause of the clinical signs. Gross necropsy and histopathologic findings fromall birds resulted in a diagnosis of round cell neoplasia in multiple organs, including the skin, liver, kidney, and reproductivetract, with intranuclear inclusion bodies in the...
Source: Comparative Medicine - September 11, 2023 Category: Zoology Authors: Katherine A Shuster Tzushan S Yang Kate T Snyder Nicole Creanza Patrick K Mitchell Laura B Goodman Jennifer K Grenier Nicholas M Tataryn Lauren E Himmel Katherine N Gibson-Corley Source Type: research