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Environmental changes and uplift of the Qinghai-Tibet Plateau drive genetic diversification and speciation of the birds.
Yi Chuan
January 2025
Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
Being the most magnificent plateau in elevation and size on Earth, the Qinghai-Tibet Plateau has a profound impact on biodiversity due to the unique geographic and climatic conditions. Here we review the speciation patterns and genetic diversity of the birds from the Qinghai-Tibet Plateau in relation to the geological history and climatic changes. First, the uplift of the Qinghai-Tibet Plateau forms a geographic barrier and promotes interspecific and intraspecific genetic differentiation.
View Article and Find Full Text PDFProgress on ancient DNA investigation of Late Quaternary mammals in China.
Yi Chuan
January 2025
State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430078, China.
It has been more than 40 years since the beginning of exploring the genetic composition of ancient organisms from the perspective of ancient DNA. In the recent 20 years, with the development and application of high-throughput sequencing technology platforms and the improved efficiency of retrieving highly fragmented DNA molecules, ancient DNA research moved forward to a brand-new era of deep-time paleogenomics. It not only solved many controversial phylogenetic problems, enriched the migration and evolution details of various organisms including humans, but also launched exploration of the molecular responses to climate changes in terms of "whole genomic-big data-multi-species" level.
View Article and Find Full Text PDFAn Analysis of Percutaneous Nephrolithotomy (PCNL) Performed at the Institute of Kidney Disease, Pakistan: Stone Clearance and Complications.
Cureus
December 2024
Department of Cardiovascular Medicine, Khyber Medical Institute of Medical Sciences, Kohat, PAK.
Background: Percutaneous nephrolithotomy (PCNL) is the preferred treatment for large renal stones, yet variability in outcomes arises from patient-specific factors and institutional practices. Understanding complications and predictors of success is essential to improving procedural efficacy.
Objective: This study aimed to evaluate stone clearance rates, complications classified using the Clavien-Dindo system, and predictors of PCNL outcomes, with a focus on improving lower calyx stone clearance.
Assessment of the European Hernia Society Classification of Ventral Hernias and Clinical Outcomes.
HCA Healthc J Med
December 2024
HCA Houston Healthcare Kingwood, Kingwood, TX.
Background: Ventral hernias are a common but heterogeneous disease. Communication among key stakeholders (eg, patients, clinicians, administrators, payers, and researchers) can be augmented by a widely utilized classification system. The European Hernia Society (EHS) developed an expert-opinion-based hernia classification system organized by hernia type (primary versus incisional) and size.
View Article and Find Full Text PDFMorphology-Based Risk Analysis of Catheter-related Thrombus After Pediatric Cardiac Surgery.
Ann Thorac Surg Short Rep
September 2024
Department of Pediatrics, The University of Tokyo Hospital, Tokyo, Japan.
Background: Understanding the development of central venous catheter-related thrombus (CVCRT) is vital for the prevention of adverse events caused by thrombi after cardiac surgery in children. However, the risks associated with CVCRT remain controversial. This study analyzed the risk factors of CVCRT based on a detailed evaluation of its morphometric features and severity.
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