Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

2026

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 1051 - 1080 of 14157

Full-Text Articles in Entire DC Network

Reviews: Where The Earth Meets The Sky: A Story Of Penguins, People, And Place In Antarctica (Blight, L.); The Great Auk: Its Extraordinary Life, Hideous Death And Mysterious Afterlife (Birkead, T.); The Last Of Its Kind: The Search For The Great Auk And The Discovery Of Extinction (Pálsson, G.); No Island Too Far: The History Of Seabirds And Their Remote Islands (Brooke, M.), Rachel Buxton, Eric Wagner Aug 2026

Reviews: Where The Earth Meets The Sky: A Story Of Penguins, People, And Place In Antarctica (Blight, L.); The Great Auk: Its Extraordinary Life, Hideous Death And Mysterious Afterlife (Birkead, T.); The Last Of Its Kind: The Search For The Great Auk And The Discovery Of Extinction (Pálsson, G.); No Island Too Far: The History Of Seabirds And Their Remote Islands (Brooke, M.), Rachel Buxton, Eric Wagner

Marine Ornithology

No abstract provided.


Behavioral Insights Into The Galapagos Penguin Spheniscus Mendiculus: A Day In His Life—An Ethological Portrait., Jonathan Cueva, Wilson Iñiguez, Gregory Marshall, Christian Sevilla, Andrea Coloma, Lorena Venegas, Gustavo Jiménez-Uzcátegui Aug 2026

Behavioral Insights Into The Galapagos Penguin Spheniscus Mendiculus: A Day In His Life—An Ethological Portrait., Jonathan Cueva, Wilson Iñiguez, Gregory Marshall, Christian Sevilla, Andrea Coloma, Lorena Venegas, Gustavo Jiménez-Uzcátegui

Marine Ornithology

The Galapagos Penguin Spheniscus mendiculus, endemic to the Galápagos Archipelago, faces increasing ecological pressures threatening its population. This study aimed to characterize its daily behavioral patterns to better understand its adaptations and vulnerability to ecosystem changes. In one breeding locality, the Marielas Islets, we mounted a Crittercam on a male penguin to assess interactions with its mate and its behavior over a 24-hr period. Behaviors were classified as Diving, Foraging, Grooming, Intraspecific Interaction, Interspecific Interaction, Loafing, Prospecting, Resting, Surface Dipping, and Swimming. We analyzed behavioral data using chi-square tests and transition heat-maps. Results revealed predominantly surface behaviors—Prospecting (41.2% of …


Breeding Parameters Of The Gull-Billed Tern Gelochelidon Nilotica In Boughrara Lagoon, Southeast Tunisia., Amel Neb, Slaheddine Selmi Aug 2026

Breeding Parameters Of The Gull-Billed Tern Gelochelidon Nilotica In Boughrara Lagoon, Southeast Tunisia., Amel Neb, Slaheddine Selmi

Marine Ornithology

We provide, for the first time, data on the breeding parameters of the Gull-billed Tern Gelochelidon nilotica in Tunisia, at Boughrara Lagoon. From May to July 2024, we monitored a breeding colony located on a small islet in the northern part of the lagoon. In total, 112 nests were monitored: 71 nests initiated in mid-May (early clutches) and 41 in early June (late nests). Clutch size ranged from one to four eggs (mean ± standard deviation [SD] = 2.51 ± 0.06), with no significant difference between early and late nesters. Egg volume ranged from 14.65 to 49.23 cm3 (mean ± …


Sex And Age Characteristics Of Northern Fulmars Fulmarus Glacialis Used In Programs To Monitor Plastic Ingestion., Jan A. Van Franeker, Susanne Kühn Aug 2026

Sex And Age Characteristics Of Northern Fulmars Fulmarus Glacialis Used In Programs To Monitor Plastic Ingestion., Jan A. Van Franeker, Susanne Kühn

Marine Ornithology

Carcasses of beached or accidentally killed Northern Fulmars Fulmarus glacialis, collected for monitoring plastic ingestion, have shown that the incidence of litter may vary over time and by region. Age, sex, and season of fulmar collection appear to affect the quantity of plastics ingested. More detailed analyses of monitoring data thus require reliable and consistent methods for assessing age and sex. Methods were first described in a monitoring manual in 2004 and later in international guidelines, but age and sex definition required further clarification. A large dataset of 3,790 dissected birds now allows for detailed descriptions of sex and …


Seabirds As Ecosystem Engineers: Providing Arthropod Habitat On Oceanic Islands., Kanon Mizukoshi, Kazuto Kawakami, Takashi Kamijo Aug 2026

Seabirds As Ecosystem Engineers: Providing Arthropod Habitat On Oceanic Islands., Kanon Mizukoshi, Kazuto Kawakami, Takashi Kamijo

Marine Ornithology

Seabirds play several important ecological roles on oceanic islands through their high-density breeding. Their ecosystem functions—such as nutrient cycling through excretion or terrestrial vegetation disturbance through trampling—are well known; however, little is known of their roles as ecosystem engineers. Nests and burrows can be densely concentrated in seabird colonies, by which seabirds can affect adjacent terrestrial ecosystems, especially affecting arthropods that use these structures as food or habitats. However, studies investigating the species composition of arthropods that inhabit seabird nests are limited. To characterize the arthropod faunas in seabird nests, this study surveyed and analyzed 90 nests of three seabird …


Comparing Counts Made From Drone-Based And Boat-Based Photography For Surveying Thick-Billed Murre Uria Lomvia Cliff Colonies., Ewan Macdonnell, Sarah E. Gutowsky, Kyle H. Elliott Aug 2026

Comparing Counts Made From Drone-Based And Boat-Based Photography For Surveying Thick-Billed Murre Uria Lomvia Cliff Colonies., Ewan Macdonnell, Sarah E. Gutowsky, Kyle H. Elliott

Marine Ornithology

Surveys of cliff-nesting seabirds from sea level or ground level often miss individuals hidden by topography, leading to underestimates of abundance. Thick-billed Murres Uria lomvia are especially challenging to survey accurately due to their dense nesting on vertical cliff ledges in remote northern regions. In Canada, updated colony surveys are needed, as currently used population estimates, done from boats, are outdated. Drones offer better vantage points and may reduce availability bias (i.e., the proportion of birds present but not visible), but direct comparisons with boat-based counts are essential. We compared murre counts from drone- and boat-based photographs of six vertical …


Foraging Areas Of Breeding Adult Sooty Terns Onychoprion Fuscatus On Bird Island, Seychelles., Jessica L. Neumann, Ruth E. Dunn, Malcolm A. C. Nicoll, Christine S. Larose, Chris Foster, Gary Brodin, Chris J. Feare Aug 2026

Foraging Areas Of Breeding Adult Sooty Terns Onychoprion Fuscatus On Bird Island, Seychelles., Jessica L. Neumann, Ruth E. Dunn, Malcolm A. C. Nicoll, Christine S. Larose, Chris Foster, Gary Brodin, Chris J. Feare

Marine Ornithology

The foraging areas used by adult Sooty Terns Onychoprion fuscatus during incubation and early chick-rearing on Bird Island, Seychelles, were investigated using small GPS loggers. Birds departed the colony mainly during the night and foraged by day. Most foraging trips were completed within 24 hr, but during incubation the longest duration recorded was seven days and 14 hr (during which the bird travelled 2,783 km and reached a maximum of 692 km from the colony). Departures were generally in an arc from south (180°) through westerly to 40°. Sooty Terns foraged frequently in waters over the Seychelles Bank shelf break, …


Predicting Suitable Marine Habitat For Pink-Footed Shearwaters Ardenna Creatopus In The Waters Along The Pacific Coast Of Canada., Sonya A. Pastran, Patrick D. O’Hara, Kenneth H. Morgan, Caroline H. Fox, W. Eric Gross Aug 2026

Predicting Suitable Marine Habitat For Pink-Footed Shearwaters Ardenna Creatopus In The Waters Along The Pacific Coast Of Canada., Sonya A. Pastran, Patrick D. O’Hara, Kenneth H. Morgan, Caroline H. Fox, W. Eric Gross

Marine Ornithology

Anthropogenic activities are threatening global marine ecosystems, with seabirds representing a vulnerable group that has experienced pronounced population declines in recent decades. The ability to identify important marine areas for vulnerable seabirds is fundamental to conservation initiatives. The Pink-footed Shearwater Ardenna creatopus (listed as Endangered in Canada) breeds only in Chile, but during the non-breeding season, it ranges northward to waters off Canada's Pacific coast and the northern Gulf of Alaska. Using at-sea survey data spanning from 1992 to 2019, we examined the relationship between the species' distribution and environmental variables using a two-step generalized additive model approach. Cross-validation with …


Tasmanian Records Of Vagrant Penguins, 1991–2025., Eric J. Woehler Aug 2026

Tasmanian Records Of Vagrant Penguins, 1991–2025., Eric J. Woehler

Marine Ornithology

During the period 01 January 1991 to 31 August 2025, there were 274 records of vagrant penguins in Tasmania. These records represented three genera: Aptenodytes, Pygoscelis, and Eudyptes. The most frequently reported species were Fiordland Penguin E. pachyrhynchus, Royal Penguin E. schlegeli, and King Penguin A. patagonicus. High numbers of records were reported from 10 years, with a peak in 1999 and a lower peak in 2023. Records from January to March accounted for approximately 42% of all vagrant penguin occurrences and corresponded with the arrival of pre-moult birds of all ages. A range …


Evidence For Colony Attendance By Immature Streaked Shearwaters Calonectris Leucomelas During The Chick-Rearing Period., Helen M. Pružina, Akiko Shoji, Masaki Shirai, Sakiko Matsumoto, Ken Yoda, Annette L. Fayet Aug 2026

Evidence For Colony Attendance By Immature Streaked Shearwaters Calonectris Leucomelas During The Chick-Rearing Period., Helen M. Pružina, Akiko Shoji, Masaki Shirai, Sakiko Matsumoto, Ken Yoda, Annette L. Fayet

Marine Ornithology

Many seabird species have a long breeding-deferral period, during which individuals mature and spend most of their time at sea, making them particularly difficult to study. In some species, immatures are known to start visiting colonies before reaching adulthood, presumably to learn the behaviours required to secure a nest and mate for future breeding. However, immature colony attendance remains undocumented in many species, particularly those that are difficult to observe, such as nocturnal, cavity-nesting species and species in which immatures are indistinguishable from adults. Here, we studied the attendance patterns and behaviour of Streaked Shearwaters Calonectris leucomelas on Awashima Island, …


Satellite Tracking Of Galapagos Petrel Pterodroma Phaeopygia Reveals Distribution And Movements During Chick Rearing., Carolina B. Proaño, Sebastian M. Cruz, Josh Adams, Martin Wikelski Aug 2026

Satellite Tracking Of Galapagos Petrel Pterodroma Phaeopygia Reveals Distribution And Movements During Chick Rearing., Carolina B. Proaño, Sebastian M. Cruz, Josh Adams, Martin Wikelski

Marine Ornithology

We tracked 19 adult Galapagos Petrels Pterodroma phaeopygia during the chick-rearing seasons in 2009 and 2010 (Santa Cruz Island [n = 16] and Floreana Island [n = 3]) in the Galápagos Islands, Ecuador. Eight petrels performed 27 complete foraging trips lasting 0.6 to 18.8 days. Short trips (3.2 ± 2.1 days; 785 km; max displacement 671 km) and long trips (10.8 ± 3.9 days; 2,856 km; max displacement 1,034 km) resulted in concentrated use of waters off southern and western Isabela Island and within the Galápagos Marine Reserve (GMR). Less concentrated time extended farther southwest and eastward, in …


Unfamiliar Plumage Aberration Observed On A Razorbill Alca Torda At Machias Seal Island., Daniel Oliker, Antony W. Diamond, Heather L. Major Aug 2026

Unfamiliar Plumage Aberration Observed On A Razorbill Alca Torda At Machias Seal Island., Daniel Oliker, Antony W. Diamond, Heather L. Major

Marine Ornithology

Aberrant plumage variation in seabirds can be caused by both heritable genetic mutations and non-heritable somatic mutations due to environmental stressors. In Razorbills Alca torda, aberrant colouration has been documented four times: three as cases of melanism and one seemingly of leucism, both heritable mutations. Here, we describe the observation and subsequent capture of a Razorbill with an unfamiliar plumage phenotype we hypothesize to be caused by a somatic mutation. To our knowledge, this is the first reported instance of a somatic mutation affecting the plumage of a Razorbill in the primary literature.


Seasonal Variation In Trophic Niche And Resource Use In Great Black-Backed Gulls Larus Marinus., Samuel Langlois Lopez, Nina J. O’Hanlon, Jared Wilson, Rona A. R. Mcgill, Francis Daunt, Elizabeth A. Masden Aug 2026

Seasonal Variation In Trophic Niche And Resource Use In Great Black-Backed Gulls Larus Marinus., Samuel Langlois Lopez, Nina J. O’Hanlon, Jared Wilson, Rona A. R. Mcgill, Francis Daunt, Elizabeth A. Masden

Marine Ornithology

Seabirds experience variable extrinsic and intrinsic pressures throughout the annual cycle that affect their ability to forage. Consequently, their foraging strategies may vary between breeding and non-breeding seasons due to the constraints of central-place foraging during the former. Here, we studied a population of a generalist seabird, the Great Black-backed Gull Larus marinus, breeding at a colony on the Isle of May, Scotland. We quantified seasonal variation in sexual segregation, trophic position, trophic niche width, and resource use by examining stable isotopes in feathers collected from adults. We found no sexual segregation, but we detected population- and individual-level shifts …


Assessing The Impact Of Coordinated Mink Culling On Bird Populations On Coastal Islands In Norway., Fredrik R. Staven, Torgeir Nygård Aug 2026

Assessing The Impact Of Coordinated Mink Culling On Bird Populations On Coastal Islands In Norway., Fredrik R. Staven, Torgeir Nygård

Marine Ornithology

The introduction of the non-native American Mink Neogale vison (syn. Neovison vison), a predator of birds and their chicks and eggs, is one of many anthropogenic factors that may be driving the decline of seabird populations in areas where mink are prevalent. Previous studies have shown that ground-nesting birds utilising coastal ecosystems are especially vulnerable. In this study, we investigated changes in seabird and coastal-bound bird populations, focusing on ground-nesting species, and the potential effect from mink culling. Ten locations in the archipelago of Flatanger, a coastal municipality in central Norway, were surveyed, and bird counts from 1991, 2016, …


Atlantic Puffin Fratercula Arctica Mortality Along The Portuguese West Coast In Early 2023., Rute A. Costa, Ana S. Tavares, Francisca V. Hilário, Jorge Vaqueiro, Marisa Ferreira, Sara Sá, Silvia S. Monteiro, Andreia Torres-Pereira, Catarina Eira Aug 2026

Atlantic Puffin Fratercula Arctica Mortality Along The Portuguese West Coast In Early 2023., Rute A. Costa, Ana S. Tavares, Francisca V. Hilário, Jorge Vaqueiro, Marisa Ferreira, Sara Sá, Silvia S. Monteiro, Andreia Torres-Pereira, Catarina Eira

Marine Ornithology

This study presents data about a mortality event involving Atlantic Puffins Fratercula arctica in the central region of Portugal, including information on the species' biometrics. More than 2,000 seabirds were collected from beaches between Lisbon and Matosinhos in January and February 2023, as casualties of a massive wreck. In total 444 Atlantic Puffins (171 live, 273 dead) were found and analysed. Leg bands on some birds indicated that these individuals primarily originated from colonies in Scotland. Of the live puffins that entered the Ecomare Marine Animal Rehabilitation Centre, only 18 survived to be successfully released. We conducted 426 post-mortem examinations …


Papers Concerning Robertson's Colony In Texas - Volume Iv, M. D. Mclean Aug 2026

Papers Concerning Robertson's Colony In Texas - Volume Iv, M. D. Mclean

Papers Concerning Robertson's Colony in Texas

Volume IV of the Papers Concerning Robertson's Colony in Texas book collection. Compiled and edited by Malcolm D. McLean. Dated from May to October of 1830.


The Minuteman Bikeway, Tara Menon Aug 2026

The Minuteman Bikeway, Tara Menon

The Sucarnochee Review

No abstract provided.


The Call, Charis Polycarpou Aug 2026

The Call, Charis Polycarpou

The Sucarnochee Review

No abstract provided.


Looking For Mr. Ghost, Juned Subhan Aug 2026

Looking For Mr. Ghost, Juned Subhan

The Sucarnochee Review

No abstract provided.


Dissecting Tumor Evolution And Immune Composition In Prc2 Loss (H3k27me3 Loss) Vs Retained Mpnst, Kuangying Yang Aug 2026

Dissecting Tumor Evolution And Immune Composition In Prc2 Loss (H3k27me3 Loss) Vs Retained Mpnst, Kuangying Yang

Arts & Sciences Graduate Student Theses and Dissertations

Malignant peripheral nerve sheath tumors (MPNSTs) are aggressive sarcomas that arise sporadically or in the setting of neurofibromatosis type 1 (NF1). Although benign plexiform neurofibromas (PNs) are common in NF1, only a subset undergo malignant transformation, and the molecular events that define high-risk progression remain incompletely understood. A major axis of biological heterogeneity in MPNST is loss of Polycomb Repressive Complex 2 (PRC2), commonly detected through loss of H3K27me3 and frequently mediated by alterations in SUZ12 or EED. This dissertation integrates three manuscript-based studies to define genomic resources, tumor-intrinsic vulnerabilities, and immune microenvironmental remodeling in NF1-associated peripheral nerve sheath tumors, …


Ọmọtẹ-Ohwo-Re, Gloria Udhedhe-Oze Aug 2026

Ọmọtẹ-Ohwo-Re, Gloria Udhedhe-Oze

Wagadu: A Journal of Transnational Women's & Gender Studies

This eponymous narrative Ọmọtẹ Ohwo Re, loosely transliterated “female is human” in Isoko, is set in Emede, Isoko kingdom, Niger Delta, Nigeria during the late 1960s to early 1970s. It explores the lived experiences of the eponymous character who is denied the opportunity to obtain Western education by Chief Ebọ, her influential father, the sitting traditional ruler. Born into a polygamous home, she is the fourth and last child of her mother; but the seventh among eleven females. None is deemed worthy of an education because of their sex. In a twist of events, she defies this institutionalized marginalization and …


Encounters Xxii: Look Up, Susan Johnson Aug 2026

Encounters Xxii: Look Up, Susan Johnson

The Sucarnochee Review

No abstract provided.


Doing Good In A Bad World: A Social Worker’S Memoir, Connie Woodring Aug 2026

Doing Good In A Bad World: A Social Worker’S Memoir, Connie Woodring

The Sucarnochee Review

No abstract provided.


Meeting Mary Jane, Madeline Mundkowsky Aug 2026

Meeting Mary Jane, Madeline Mundkowsky

The Sucarnochee Review

No abstract provided.


Understanding Ourselves And Others: A Social Psychology Approach, Whitney Whitaker Ph.D., Noba Project Aug 2026

Understanding Ourselves And Others: A Social Psychology Approach, Whitney Whitaker Ph.D., Noba Project

All Open Educational Resources

This book is a compilation of Open Education Resources for the use in an undergraduate level social psychology course at Fort Hays State University.


A Comparative Study Of Ladxs1 Gene Expression In Four Lavandula Angustifolia Callus Treatments, Sumaya F. Hamad, Zainab O. Salman, Emad H. Jassim, Bushra M. J. Alwash, Zainab Anwar Ali Aug 2026

A Comparative Study Of Ladxs1 Gene Expression In Four Lavandula Angustifolia Callus Treatments, Sumaya F. Hamad, Zainab O. Salman, Emad H. Jassim, Bushra M. J. Alwash, Zainab Anwar Ali

Baghdad Science Journal

The current study was conducted to compare and evaluate the increasing or decreasing levels of LaDXS1 ``1-deoxy-D-xylulose 5-phosphate synthase'' gene expression of four treatments of callus initiate on Murashige and Skoog medium (MS) with various application of 2,4-dichlorophenoxyacetic acid (2,4-D) and Benzyl adenine (BA) from leaves of Lavandula Angustifolia consider one of species used for oil extraction through total RNA extraction from callus for the four treatments then reverse-transcribed to complementary DNA (cDNA) then amplified by RT-qPCR technique as a relative quantitation method .The results demonstrated that gene expression of LaDXS1 was varied between treatments. The highest gene expression of …


Genotyping Of Echinococcus Granulosus And Evaluation Of Moringa Oleifera Leaf Extract As A Novel Protoscolicidal Agent, Hersh Ahmad Amin, Hoshyar Abdullah Azeez, Sirwan Muhsin Muhammed Ameen Aug 2026

Genotyping Of Echinococcus Granulosus And Evaluation Of Moringa Oleifera Leaf Extract As A Novel Protoscolicidal Agent, Hersh Ahmad Amin, Hoshyar Abdullah Azeez, Sirwan Muhsin Muhammed Ameen

Baghdad Science Journal

Cystic echinococcosis is a globally prevalent zoonotic infection, including in the Kurdistan region of Iraq. It arises when Echinococcus granulosus eggs are ingested, leading to the larval stages that mainly effect the internal organs of humans and livestocks. This study aimed to explore the genetic variability and sequence polymorphisms of E. granulosus and to evaluate the protoscolicidal potential of Moringa oleifera leaf extract. Protoscoleces PSCs were isolated from hydatid cysts collected from infected humans, sheep, cattle and goat. Among the 73 hydatid cysts examined, 63 (86.3%) were fertile. DNA was extracted from PSCs, the mitochondrial cytochrome oxidase subunit 1 ( …


Biochemical And Histological Assessment Of Oral Wound Healing Using Zinc Oxide Nanoparticles-Hyaluronic Acid Composite Gel In Rat Models, Shahida Rasoul Husain, Amal Hanna Aziz, Treefa Farouq Ismail Aug 2026

Biochemical And Histological Assessment Of Oral Wound Healing Using Zinc Oxide Nanoparticles-Hyaluronic Acid Composite Gel In Rat Models, Shahida Rasoul Husain, Amal Hanna Aziz, Treefa Farouq Ismail

Baghdad Science Journal

Oral wound healing is a complex biological process involving coordinated inflammatory, proliferative, and remodeling phases. Recent advances in nanotechnology and biomaterials have highlighted the potential of composite formulations to enhance tissue repair. This study aimed to evaluate the biochemical and histological effects of zinc oxide nanoparticles (ZnO-NPs) and hyaluronic acid (HA) composite gel on oral wound healing in rat models. Green-synthesized ZnO NPs, prepared using Cinnamomum zeylanicum extract, were gradually incorporated into methylcellulose (MC) and commercially available HA gels. The physicochemical characterization of the composite gel was assessed using Fourier Transform Infrared Spectroscopy (FTIR) and Field Emission Scanning Electron Microscopy …


Openness To Experience And Creative Capacity Among Active First Responders, William Reagan Aug 2026

Openness To Experience And Creative Capacity Among Active First Responders, William Reagan

Walden Dissertations and Doctoral Studies

Because emergency services demand adaptive, creative problem-solving within procedurally rigid cultures, this study examined whether Openness to Experience predicted creative capacity among active first responders and whether age or tenure moderated that relationship. A cross-sectional design used N = 117 first responders from eight agencies. Openness was measured with the Big Five Inventory-2 (percentile ranks); creativity was assessed with the Divergent Association Task (DAT; n = 116) and the Consensual Assessment Technique (CAT; n = 111). Covariates were age, tenure, rank, gender, and, for 46 participants at one agency, a dispatch-derived operational exposure score. In the full sample, Openness did …


Probable Renal-Limited Sarcoidosis Presenting With Tubulointerstitial Nephritis Without Granulomas On Renal Biopsy: A Diagnostic Challenge, Jawahar Hamood Alnoumani, Muhammad Shoaib, Asma Marzouqi, Ali Al Lawati Aug 2026

Probable Renal-Limited Sarcoidosis Presenting With Tubulointerstitial Nephritis Without Granulomas On Renal Biopsy: A Diagnostic Challenge, Jawahar Hamood Alnoumani, Muhammad Shoaib, Asma Marzouqi, Ali Al Lawati

Sultan Qaboos University Medical Journal

Sarcoidosis is an idiopathic multisystem inflammatory disorder characterised by non-caseating granulomas and a wide range of reported prevalence. Renal-limited sarcoidosis is a rare manifestation of sarcoidosis which remains a diagnostic challenge due to lack of extra renal manifestation and specific diagnostic criteria. We report a 37-year-old man who presented to a tertiary care hospital, Muscat, Oman, in 2024, with a two-month history of fever, weight loss, hypercalcaemia, high-to-normal 1,25-Vitamin D, high angiotensin-converting enzyme levels and acute kidney injury. His renal biopsy showed evidence of tubulointerstitial nephritis without granulomas or nephrocalcinosis. After exclusion of infectious, malignant, drug- related and autoimmune causes, …