Literature
PubMed
PubMed® comprises more than 38 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.
Featured Bookshelf titles
Browse the Bookshelf
Literature databases
Books and reports
Ontology used for PubMed indexing
Books, journals and more in the NLM Collections
Scientific and medical abstracts/citations
Full-text journal articles
Data
Genes
Gene sequences and annotations used as references for the study of orthologs structure, expression, and evolution
Collected information about gene loci
Functional genomics studies
Gene expression and molecular abundance profiles
Sequence sets from phylogenetic and population studies
Proteins
Protein sequences, 3-D structures, and tools for the study of functional protein domains and active sites
Conserved protein domains
Protein sequences grouped by identity
Protein sequences
Models representing homologous proteins with a common function
Experimentally-determined biomolecular structures
BLAST
A tool to find regions of similarity between biological sequences
Search nucleotide sequence databases
Search protein sequence databases
Search protein databases using a translated nucleotide query
Search translated nucleotide databases using a protein query
Find primers specific to your PCR template
Genomes
Genome sequence assemblies, large-scale functional genomics data, and source biological samples
Genome assembly information
Museum, herbaria, and other biorepository collections
Biological projects providing data to NCBI
Descriptions of biological source materials
Genome sequencing projects by organism
DNA and RNA sequences
High-throughput sequence reads
Taxonomic classification and nomenclature
Clinical
Heritable DNA variations, associations with human pathologies, and clinical diagnostics and treatments
Privately and publicly funded clinical studies conducted around the world
Human variations of clinical significance
Genotype/phenotype interaction studies
Short genetic variations
Genome structural variation studies
Genetic testing registry
Medical genetics literature and links
Online mendelian inheritance in man
PubChem
Repository of chemical information, molecular pathways, and tools for bioactivity screening
Bioactivity screening studies
Chemical information with structures, information and links
Molecular pathways with links to genes, proteins and chemicals
Deposited substance and chemical information
News
Research news
Study Reveals a Cell-Eat-Cell World
From normal vertebrate development to tumor cell cannibalism, cell-in-cell events occur in many different contexts across the tree of life
Researchers Bioengin-Ear Tissue Scaffolds to Human Scale
A new approach to sculpting human-like ears merges 3D printing, xenografts, and tissue engineering.
Do cats experience grief? New research suggests they might
Researchers from Oakland University surveyed hundreds of cat caregivers and found that cats exhibited behaviors associated with grief after a fellow cat or dog in the household died.
Recent blog posts
AI System Has Potential to Differentiate Brain Cancer from Healthy Tissue During Surgery within Seconds
In people with brain tumors known as diffuse gliomas, cancerous cells often spread and invade nearby tissues to mix with healthy cells. As a result, it can be challenging for neurosurgeons to differentiate cancerous from healthy tissue during surgery as is required to safely remove as much of the cancer as possible. Many patients with glioma are found to have residual tumor after surgery, which can mean additional surgeries, earlier recurrence, and decreased survival. But research is showing that artificial intelligence (AI) tools could enable doctors to not only predict if a cancer will respond to treatment, but also to differentiate cancerous from healthy tissue rapidly enough to guide more brain surgeries in real time. In one promising example of this, an NIH-supported study in Nature recently reported the development of an open-source, AI-based diagnostic system that can determine in just 10 seconds if part of a cancerous brain tumor that could be removed still remains. The new system, called FastGlioma, combines rapid, user-friendly, optical microscopy with AI models trained on diverse data, including over 11,000 surgical specimens and 4 million microscopy images, to give surgeons needed answers very quickly.
NCBI Taxonomy: Upcoming Changes to Viruses
To reflect changes to the International Code of Virus Classification and Nomenclature (ICVCN) made by the International Committee on Taxonomy of Viruses (ICTV), NCBI will add binomial species names to about 3000 viruses. These updates to NCBI Taxonomy are planned for spring 2025, but you can view the changes now in the ICTV’s Virus Metadata Resource. We recognize that the former … Continue reading NCBI Taxonomy: Upcoming Changes to Viruses
A Distinctive and Evolving NLM Legacy: The G08 Resource Program
For over 50 years, NLM’s G08 grants have supported innovative projects that improve health information management, empower communities, and reduce health disparities. From telephone ECG monitoring to interactive heart-healthy resources, the G08 program continues to drive public health advancements in unique ways.