1
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Chamanza R, Naylor SW, Gregori M, Boyle M, Pereira Bacares ME, Drevon-Gaillot E, Romeike A, Courtney C, Johnson K, Turner J, Swierzawski N, Sharma AK. The Influence of Geographical Origin, Age, Sex, and Animal Husbandry on the Spontaneous Histopathology of Laboratory Cynomolgus Macaques ( Macaca Fascicularis): A Contemporary Global and Multisite Review of Historical Control Data. Toxicol Pathol 2022; 50:607-627. [PMID: 35535738 DOI: 10.1177/01926233221096424] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
To investigate the influence of geographical origin, age, and sex on toxicologically relevant spontaneous histopathology findings in cynomolgus macaques (Macaca fascicularis), we performed a comparative analysis of historical control data (HCD) from 13 test sites that included 3351 animals (1645 females and 1706 males) sourced from Mauritius, China, Vietnam, and Cambodia, aged from 2 to 9.5 years, and from 446 toxicology studies evaluated between 2016 and 2021. The most common findings were mononuclear infiltrates in the kidney, liver, brain, and lung, which showed highest incidences in Mauritian macaques, and heart, salivary glands, and gastrointestinal tract (GIT), which showed highest incidences of mononuclear infiltrates in mainland Asian macaques. Developmental and degenerative findings were more common in Mauritian macaques, while lymphoid hyperplasia and lung pigment showed higher incidences in Asian macaques. Various sex and age-related differences were also present. Despite origin-related differences, the similarities in the nature and distribution of background lesions indicate that macaques from all geographical regions are suitable for toxicity testing and show comparable lesion spectrum. However, in a toxicity study, it is strongly recommended to use animals from a single geographical origin and to follow published guidelines when using HCD to evaluate and interpretate commonly diagnosed spontaneous lesions.
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Affiliation(s)
- Ronnie Chamanza
- Janssen Pharmaceutical Companies of Johnson & Johnson, High Wycombe, UK.,Janssen Pharmaceutica NV, Beerse, Belgium
| | | | | | - Molly Boyle
- Labcorp Drug Development, Princeton, New Jersey, USA
| | | | | | | | | | - Kelsey Johnson
- Janssen Pharmaceutical Companies of Johnson & Johnson, Spring House, Pennsylvania, USA
| | - Julie Turner
- Labcorp Drug Development, Princeton, New Jersey, USA
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2
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Bolon B, Everitt JI. Selected Resources for Pathology Evaluation of Nonhuman Primates in Nonclinical Safety Assessment. Toxicol Pathol 2022; 50:725-732. [PMID: 35481786 DOI: 10.1177/01926233221091763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Humans and nonhuman primates (NHPs) share numerous anatomical and physiological characteristics, thereby explaining the importance of NHPs as essential animal models for translational medicine and nonclinical toxicity testing. Researchers, toxicologic pathologists, toxicologists, and regulatory reviewers must be familiar with normal and abnormal NHP biological traits when designing, performing, and interpreting data sets from NHP studies. The current compilation presents a list of essential books, journal articles, and websites that provide context to safety assessment and research scientists working with NHP models. The resources used most frequently by the authors have been briefly annotated to permit readers to rapidly ascertain their applicability to particular research endeavors. The references are aimed primarily for toxicologic pathologists working with cynomolgus and rhesus macaques and common marmosets in efficacy and safety assessment studies.
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Affiliation(s)
| | - Jeffrey I Everitt
- Duke University, Department of Pathology, Durham, North Carolina, USA
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3
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Colman K, Andrews RN, Atkins H, Boulineau T, Bradley A, Braendli-Baiocco A, Capobianco R, Caudell D, Cline M, Doi T, Ernst R, van Esch E, Everitt J, Fant P, Gruebbel MM, Mecklenburg L, Miller AD, Nikula KJ, Satake S, Schwartz J, Sharma A, Shimoi A, Sobry C, Taylor I, Vemireddi V, Vidal J, Wood C, Vahle JL. International Harmonization of Nomenclature and Diagnostic Criteria (INHAND): Non-proliferative and Proliferative Lesions of the Non-human Primate ( M. fascicularis). J Toxicol Pathol 2021; 34:1S-182S. [PMID: 34712008 PMCID: PMC8544165 DOI: 10.1293/tox.34.1s] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The INHAND (International Harmonization of Nomenclature and Diagnostic Criteria for Lesions Project (www.toxpath.org/inhand.asp) is a joint initiative of the Societies of Toxicologic Pathology from Europe (ESTP), Great Britain (BSTP), Japan (JSTP) and North America (STP) to develop an internationally accepted nomenclature for proliferative and nonproliferative lesions in laboratory animals. The purpose of this publication is to provide a standardized nomenclature for classifying microscopic lesions observed in most tissues and organs from the nonhuman primate used in nonclinical safety studies. Some of the lesions are illustrated by color photomicrographs. The standardized nomenclature presented in this document is also available electronically on the internet (http://www.goreni.org/). Sources of material included histopathology databases from government, academia, and industrial laboratories throughout the world. Content includes spontaneous lesions as well as lesions induced by exposure to test materials. Relevant infectious and parasitic lesions are included as well. A widely accepted and utilized international harmonization of nomenclature for lesions in laboratory animals will provide a common language among regulatory and scientific research organizations in different countries and increase and enrich international exchanges of information among toxicologists and pathologists.
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Affiliation(s)
- Karyn Colman
- Novartis Institutes for BioMedical Research, Cambridge, MA,
USA
| | - Rachel N. Andrews
- Wake Forest School of Medicine, Department of Radiation
Oncology, Winston-Salem, NC, USA
| | - Hannah Atkins
- Penn State College of Medicine, Department of Comparative
Medicine, Hershey, PA, USA
| | | | - Alys Bradley
- Charles River Laboratories Edinburgh Ltd., Tranent,
Scotland, UK
| | - Annamaria Braendli-Baiocco
- Roche Pharma Research and Early Development, Pharmaceutical
Sciences, Roche Innovation Center Basel, Switzerland
| | - Raffaella Capobianco
- Janssen Research & Development, a Division of Janssen
Pharmaceutica NV, Beerse, Belgium
| | - David Caudell
- Department of Pathology, Section on Comparative Medicine,
Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Mark Cline
- Department of Pathology, Section on Comparative Medicine,
Wake Forest School of Medicine, Winston-Salem, NC, USA
| | - Takuya Doi
- LSIM Safety Institute Corporation, Ibaraki, Japan
| | | | | | - Jeffrey Everitt
- Department of Pathology, Duke University School of
Medicine, Durham, NC, USA
| | | | | | | | - Andew D. Miller
- Cornell University College of Veterinary Medicine, Ithaca,
NY, USA
| | | | - Shigeru Satake
- Shin Nippon Biomedical Laboratories, Ltd., Kagoshima and
Tokyo, Japan
| | | | - Alok Sharma
- Covance Laboratories, Inc., Madison, WI, USA
| | | | | | | | | | | | - Charles Wood
- Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT,
USA
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4
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Schuh JCL, Holve DL, Mundwiler KE. Corneal Dystrophy in Dutch Belted Rabbits as a Possible Model of Thiel-Behnke Subtype of Epithelial-Stromal TGFβ-Induced Corneal Dystrophy. Toxicol Pathol 2020; 49:555-568. [PMID: 33287658 DOI: 10.1177/0192623320968092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The International Committee for Classification of Corneal Dystrophies (IC3D) categorized corneal dystrophies in humans using anatomic, genotypic, and clinicopathologic phenotypic features. Relative to the IC3D classification, a review of the veterinary literature confirmed that corneal dystrophy is imprecisely applied to any corneal opacity and to multiple poorly characterized histologic abnormalities of the cornea in animals. True corneal dystrophy occurs in mice with targeted mutations and spontaneously in pet dogs and cats and in Dutch belted (DB) rabbits, but these instances lack complete phenotyping or genotyping. Corneal dystrophy in DB rabbits can be an important confounding finding in ocular toxicology studies but has only been described once. Therefore, the ophthalmology and pathology of corneal dystrophy in 13 DB rabbits were characterized to determine whether the findings were consistent with or a possible model of any corneal dystrophy subtypes in humans. Slit lamp and optical coherence tomography (OCT) imaging were used to characterize corneal dystrophy over 4 months in young DB rabbits. The hyperechoic OCT changes correlated with light microscopic findings in the anterior stroma, consisting of highly disordered collagen fibers and enlarged keratocytes. Histochemical stains did not reveal abnormal deposits. Small clusters of 8 to 16 nm diameter curly fibers identified by transmission electron microscopy were consistent with Thiel-Behnke (TBCD) subtype of epithelial-stromal transforming growth factor β-induced dystrophies. Sporadic corneal dystrophy in DB rabbits appears to be a potential animal model of TBCD, but genotypic characterization will be required to confirm this categorization.
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Affiliation(s)
| | - Dana L Holve
- 486251Biological Test Center, Irvine, CA, USA.,Currently, Incline Village, NV, USA
| | - Karen E Mundwiler
- 486251Biological Test Center, Irvine, CA, USA.,Currently, Huntington Beach, CA, USA
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5
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Schuh JCL. Mucosa-Associated Lymphoid Tissue and Tertiary Lymphoid Structures of the Eye and Ear in Laboratory Animals. Toxicol Pathol 2020; 49:472-482. [PMID: 33252012 DOI: 10.1177/0192623320970448] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Mucosa-associated lymphoid tissue (MALT) of special senses is poorly described and can be confused with nonspecific mononuclear cell infiltrates and tertiary lymphoid structures (TLS). In the eye, MALT consists mostly of conjunctiva-associated lymphoid tissue (CALT) and lacrimal drainage-associated lymphoid tissue (LDALT). In humans, CALT and LDALT are important components of the normal eye-associated lymphoid tissue (EALT), but EALT is less frequently described in ocular tissues of animals. The EALT are acquired postnatally in preferential mucosal sites, expand with antigenic exposure, form well-developed lymphoid follicles, and are reported to senesce. Lymphoid follicles that are induced concurrently with chronic inflammation are more appropriately considered TLS but must be differentiated from inflammation in MALT. Less understood is the etiology for formation of lymphoid tissue aggregates in the ciliary body, limbus, or choroid of healthy eyes in animals and humans. In the healthy eustachian tube and middle ear of animals and humans, MALT may be present but is infrequently described. Concurrent with otitis media, lymphoid follicles in the eustachian tube are probably expanded MALT, but lymphoid follicles in the middle ear may be TLS. The purpose of this comparative review is to familiarize toxicologic pathologists with MALT in the special senses and to provide considerations for differentiating and reporting eye and ear MALT from immune or inflammatory cell infiltrates or inflammation in nonclinical studies, and the circumstances for reporting TLS in compartments of the eye and ear.
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6
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Sorden SD, Larsen T, McPherson LE, Turner OC, Carroll EE, Sharma AK. Spontaneous Background and Procedure-Related Microscopic Findings and Common Artifacts in Ocular Tissues of Laboratory Animals in Ocular Studies. Toxicol Pathol 2020; 49:569-580. [PMID: 33205704 DOI: 10.1177/0192623320966244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Identification of test article-related microscopic findings in ocular toxicology studies requires a working knowledge of the artifacts and procedure-related or background findings commonly encountered in such studies. The objective of this article is to provide a mini-atlas of the artifacts and procedure-related or spontaneous background findings commonly observed in ocular tissues from animals in toxicology studies of ocular drug candidates. Artifacts in the eye are often related to collection or fixation procedures and include swelling and vacuolation of lens fibers, separation of the neuroretina from the retinal pigment epithelium (RPE), and vacuolation of the optic nerve. Common in-life procedure-related findings include intravitreal injection needle tracks in the sclera and ciliary body pars plana and foci of RPE hypertrophy and/or hyperpigmentation at subretinal injection sites. Common background findings include corneal mineralization, uveal mononuclear cell infiltrates, and peripheral displacement of photoreceptor nuclei in the retina. A few uncommon spontaneous background findings that may be confused with test article-related findings, such as bilateral optic atrophy in macaques, are also included.
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Affiliation(s)
- Steven D Sorden
- 201915Covance Laboratories Inc, Madison, WI, USA. Sorden is now with SDS Pathology, LLC, Fort Collins, CO, USA
| | | | - Leslie E McPherson
- 201915Covance Laboratories Inc, Madison, WI, USA. Sorden is now with SDS Pathology, LLC, Fort Collins, CO, USA
| | - Oliver C Turner
- Novartis, 98557Novartis Institutes for BioMedical Research, Preclinical Safety, East Hanover, NJ, USA
| | | | - Alok K Sharma
- 201915Covance Laboratories Inc, Madison, WI, USA. Sorden is now with SDS Pathology, LLC, Fort Collins, CO, USA
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7
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Laing ST, Bockenstedt MM, Booler HS. Inflammation of a Posterior Ciliary Artery in a Naive Cynomolgus Macaque. Toxicol Pathol 2020; 49:602-604. [PMID: 32856568 DOI: 10.1177/0192623320952337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
This brief communication describes a previously unreported background lesion in the eye of a naive cynomolgus macaque. Inflammation of a posterior ciliary artery was, in this case, morphologically similar to vascular inflammation of other tissues described in naive cynomolgus macaques. However, the available literature does not describe this lesion at this anatomical site. The affected animal did not present with any abnormal clinical signs and ophthalmological examinations were within normal limits. Toxicologic pathologists should be aware of this finding in order to help differentiate it from a test item-related finding.
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Affiliation(s)
- Steven T Laing
- Department of Safety Assessment, 7412Genentech Inc, South San Francisco, CA, USA
| | | | - Helen S Booler
- Department of Safety Assessment, 7412Genentech Inc, South San Francisco, CA, USA
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8
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Short B. Selected Aspects of Ocular Toxicity Studies With a Focus on High-Quality Pathology Reports: A Pathology/Toxicology Consultant's Perspective. Toxicol Pathol 2020; 49:673-699. [PMID: 32815474 DOI: 10.1177/0192623320946712] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Ocular toxicity studies are the bedrock of nonclinical ocular drug and drug-device development, and there has been an evolution in experience, technologies, and challenges to address that ensures safe clinical trials and marketing authorization. The expectations of a well-designed ocular toxicity study and the generation of a coherent, integrative ocular toxicology report and subreports are high, and this article provides a pathology/toxicology consultant's perspective on achieving that goal. The first objective is to cover selected aspects of study designs for ocular toxicity studies including considerations for contract research organization selection, minipig species selection, unilateral versus bilateral dosing, and in-life parameters based on fit-for-purpose study objectives. The main objective is a focus on a high-quality ocular pathology report that includes ocular histology procedures to meet regulatory expectations and a report narrative and tables that correlate microscopic findings with key ophthalmic findings and presents a clear interpretation of test article-, vehicle-, and procedure-related ocular and extraocular findings with identification of adversity and a pathology peer review. The last objective covers considerations for a high-quality ophthalmology report, which in concert with a high-quality pathology report, will pave the way for a best quality toxicology report for an ocular toxicity study.
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Affiliation(s)
- Brian Short
- Brian Short Consulting, LLC, Laguna Beach, CA, USA
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9
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Denk N, Maloca PM, Steiner G, Booler H, Freichel C, Niklaus S, Schnitzer TK, Hasler PW. Retinal Features in Cynomolgus Macaques ( Macaca fascicularis) Assessed by Using Scanning Laser Ophthalmoscopy and Spectral Domain Optical Coherence Tomography. Comp Med 2020; 70:145-151. [PMID: 32164796 DOI: 10.30802/aalas-cm-19-000088] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Cynomolgus macaques are an important and commonly used species in preclinical toxicology studies, but structural reports of in vivo retinal findings are rare in this species. The purpose of this study was to diminish this gap and document optical coherence tomography and scanning laser ophthalmoscopy imaging data in the healthy posterior pole of cynomolgus monkeys' eyes at predose examinations. The current study is a retrospective assessment of baseline spectral domain OCT data obtained from the 768 eyes of 384 cynomolgus monkeys (192 males and 192 females) of Mauritian origin. The data set was obtained from studies conducted over a 4-y period in the context of ocular safety evaluations of various compounds under preclinical development. The most prevalent findings were the presence of Bergmeister papilla and intravitreal hyperreflective spots. Less common findings included disorganization of retinal zones, abnormalities of the retinal vasculature, partial posterior vitreous detachment, and abnormally shaped foveal pits. Thoughtful consideration of these physiologic findings will aid in distinguishing normal features from toxic outcomes in future preclinical ophthalmic studies.
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Affiliation(s)
- Nora Denk
- Pharma Research and Early Development (pRED), Pharmaceutical Sciences (PS), Roche Innovation Center Basel, Basel, Switzerland;,
| | - Peter M Maloca
- Institute of Molecular and Clinical Ophthalmology Basel (IOB), Basel, Switzerland; Moorfields Eye Hospital, London, United Kingdom; OCTlab Research Laboratory, Department of Ophthalmology, University of Basel, Basel, Switzerland
| | - Guido Steiner
- Pharma Research and Early Development (pRED), Pharmaceutical Sciences (PS), Roche Innovation Center Basel, Basel, Switzerland
| | | | - Christian Freichel
- Pharma Research and Early Development (pRED), Pharmaceutical Sciences (PS), Roche Innovation Center Basel, Basel, Switzerland
| | - Stephanie Niklaus
- Pharma Research and Early Development (pRED), Pharmaceutical Sciences (PS), Roche Innovation Center Basel, Basel, Switzerland
| | - Tobias K Schnitzer
- Pharma Research and Early Development (pRED), Pharmaceutical Sciences (PS), Roche Innovation Center Basel, Basel, Switzerland
| | - Pascal W Hasler
- OCTlab Research Laboratory, Department of Ophthalmology, University of Basel, Basel, Switzerland
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10
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Langevin NE, Schafer KA, Turner OC, McPherson BJ, Rose RE. Historical Data: Histopathology Lesions Observed in the Eyes of Control Rabbits in Topical Ocular Administration and Contact Lens Studies. Toxicol Pathol 2018; 46:799-820. [DOI: 10.1177/0192623318803854] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Nicholas E. Langevin
- Regulatory Affairs, Novartis, Fort Worth, Texas, USA
- Preclinical Development, Alcon Research Ltd., Fort Worth, Texas, USA
| | | | - Oliver C. Turner
- Preclinical Safety—Pathology, Novartis Institutes for BioMedical Research, East Hanover, New Jersey, USA
| | | | - Robert E. Rose
- Preclinical Development, Alcon Research Ltd., Fort Worth, Texas, USA
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