Academic Journal
Q1Journal of Clinical Investigation
About Journal of Clinical Investigation
Journal of Clinical Investigation is a scholarly journal published by American Society for Clinical Investigation. SCImago 2025 places it in Q1 with an SJR of 4.809 and an H-index of 571.
Its listed coverage is 1932-1933, 1943-2026 and its research categories include Medicine (miscellaneous) (Q1). The 2025 dataset reports 748 documents and 18315 citations across the latest three-year reporting window.
Understanding Cellular and Molecular Immunology: A Deep Dive into the Body's Defense System
Cellular and molecular immunology is a dynamic and rapidly advancing field that explores the intricate mechanisms by which the body defends itself against pathogens. It combines two essential disciplines—cell biology and molecular biology—to unravel the complexities of the immune system. This branch of immunology is foundational in understanding how immune cells function, communicate, and respond to infections, autoimmune disorders, allergies, and even cancer.
What Is Cellular and Molecular Immunology?
Cellular and molecular immunology focuses on the roles of immune cells (such as T cells, B cells, macrophages, and dendritic cells) and the molecular pathways that regulate their activities. It delves into how these cells identify and eliminate foreign invaders like bacteria, viruses, and parasites. It also examines how the immune system maintains tolerance to self-antigens to prevent autoimmune diseases.
On a molecular level, this field studies key molecules like cytokines, chemokines, antibodies, and cell surface receptors that are vital for immune signaling and coordination. These components work in concert to initiate, amplify, or suppress immune responses, depending on the context.
The Importance of Cellular and Molecular Immunology
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Disease Diagnosis and Treatment
A thorough understanding of cellular and molecular immunology helps scientists and medical professionals diagnose immune-related conditions more accurately. It also plays a critical role in developing targeted therapies, such as monoclonal antibodies and immunomodulators, which are used to treat cancer, autoimmune diseases, and chronic infections. -
Vaccine Development
Immunologists use knowledge from this field to design effective vaccines that can stimulate the immune system to recognize and fight specific pathogens. The recent development of mRNA vaccines for COVID-19 is a prime example of how molecular immunology has revolutionized public health. -
Advancing Personalized Medicine
As we learn more about individual variations in immune responses, cellular and molecular immunology paves the way for personalized medicine. Treatments can now be tailored based on a person’s genetic and immunological profile, improving outcomes and reducing side effects.
Key Components of Cellular and Molecular Immunology
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Innate Immunity: The body's first line of defense, involving physical barriers and immune cells that respond quickly to infections.
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Adaptive Immunity: A specialized system involving T and B lymphocytes that provide long-term immunity and memory.
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Antigen Presentation: The process by which immune cells display pathogen fragments to activate specific immune responses.
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Signal Transduction Pathways: Molecular mechanisms that control how immune cells communicate and respond to threats.
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Immune Tolerance: Processes that prevent the immune system from attacking the body’s own tissues.
Final Thoughts
Cellular and molecular immunology is at the heart of modern biomedical research. It provides crucial insights into how our bodies fight disease, how immunity develops, and how immune dysfunction can lead to illness. As technology evolves, so too will our understanding of the immune system, unlocking new treatments and preventive strategies for a wide array of diseases.
Whether you're a student, researcher, or healthcare professional, staying informed about cellular and molecular immunology is key to keeping pace with the future of medicine.
Journal Metrics
Metrics can change by reporting year. Verify time-sensitive values with the publisher or indexing service.
Aims & Scope
Scope of the Journal of Clinical Investigation (JCI)
The Journal of Clinical Investigation (JCI) is a leading peer-reviewed biomedical journal that publishes high-impact research across the full spectrum of clinical medicine and translational science. Founded in 1924, JCI has a longstanding reputation for publishing innovative studies that bridge the gap between basic science and clinical practice. With its commitment to advancing human health, the journal remains a premier platform for scientists, physicians, and healthcare professionals worldwide.
Core Focus Areas
The scope of JCI includes a wide range of disciplines in clinical and translational medicine. The journal emphasizes original research that elucidates disease mechanisms, improves diagnosis and treatment, or offers new insights into human physiology and pathology. Key focus areas include but are not limited to:
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Immunology and inflammation
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Oncology and cancer biology
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Cardiovascular and metabolic diseases
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Infectious diseases
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Genetics and genomics
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Neuroscience and neurodegeneration
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Stem cell biology and regenerative medicine
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Endocrinology and diabetes
The journal particularly values mechanistic insights into disease pathogenesis and therapeutic innovation that can be translated into clinical applications.
Types of Articles Published
JCI accepts a variety of manuscript types to accommodate the diverse needs of the biomedical research community. These include:
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Original Research Articles: High-quality studies with rigorous experimental design and clinical relevance.
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Clinical Medicine Articles: Reports that directly inform patient care or clinical decision-making.
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Review Articles: Comprehensive overviews that synthesize current knowledge and propose future directions.
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Brief Reports: Concise studies offering novel observations or preliminary findings.
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Commentaries and Perspectives: Expert insights on emerging topics, ethical considerations, and policy implications in clinical science.
Target Audience
The Journal of Clinical Investigation caters to a broad audience that includes clinical researchers, physician-scientists, academic scholars, medical educators, and healthcare professionals. It serves as a critical resource for those interested in the interface between laboratory discovery and patient care.
Editorial Standards and Peer Review
JCI is known for its rigorous peer-review process and editorial excellence. All submissions undergo a comprehensive review by expert editors and external reviewers to ensure the integrity, novelty, and scientific validity of the work. The journal is published by the American Society for Clinical Investigation (ASCI), a prestigious organization that champions excellence in physician-scientist research.
Global Reach and Impact
With a global readership and high impact factor, the Journal of Clinical Investigation is indexed in leading databases including PubMed, MEDLINE, and Web of Science. Its open-access policy ensures that all published content is freely available to researchers, clinicians, and the public, amplifying the journal's influence in shaping modern medical research.
Recent Research Articles
Latest publications matched automatically by ISSN.
Genomic and transcriptomic profiling reveals distinct molecular subsets associated with outcomes in mantle cell lymphoma
Shuhua Yi, Yuting Yan, Meiling Jin, Supriyo Bhattacharya et al.
2025-03-17 · DOI: 10.1172/jci192372Metabolic rerouting via SCD1 induction impacts X-linked adrenoleukodystrophy
Quentin Raas, Malu-Clair van de Beek, Sonja Forss-Petter, Inge M.E. Dijkstra et al.
2021-04-15 · DOI: 10.1172/jci142500Inhibiting the MNK1/2-eIF4E axis impairs melanoma phenotype switching and potentiates antitumor immune responses
Fan Huang, Christophe Gonçalves, Margarita Bartish, Joelle Rémy-Sarrazin et al.
2021-04-15 · DOI: 10.1172/jci140752CD8+ T cells fail to limit SIV reactivation following ART withdrawal until after viral amplification
Afam A. Okoye, Derick D. Duell, Yoshinori Fukazawa, Benjamin Varco-Merth et al.
2021-04-15 · DOI: 10.1172/jci141677Remodeling glycerophospholipids affects obesity-related insulin signaling in skeletal muscle
Michael J. Wolfgang
2021-04-15 · DOI: 10.1172/jci148176Age-specific effects of vaccine egg adaptation and immune priming on A(H3N2) antibody responses following influenza vaccination
Feng Liu, F. Liaini Gross, Stacie N. Jefferson, Crystal Holiday et al.
2021-04-15 · DOI: 10.1172/jci146138Computerized tumor multinucleation index (MuNI) is prognostic in p16+ oropharyngeal carcinoma
Can F. Koyuncu, Cheng Lu, Kaustav Bera, Zelin Zhang et al.
2021-04-15 · DOI: 10.1172/jci145488TYRO3 induces anti–PD-1/PD-L1 therapy resistance by limiting innate immunity and tumoral ferroptosis
Zhou Jiang, Seung-Oe Lim, Meisi Yan, Jennifer L. Hsu et al.
2021-04-15 · DOI: 10.1172/jci139434Selective expansion of regulatory T cells using an orthogonal IL-2/IL-2 receptor system facilitates transplantation tolerance
Toshihito Hirai, Teresa L. Ramos, Po-Yu Lin, Federico Simonetta et al.
2021-04-15 · DOI: 10.1172/jci139991Lymphohematopoietic graft-versus-host responses promote mixed chimerism in patients receiving intestinal transplantation
Jianing Fu, Julien Zuber, Brittany Shonts, Aleksandar Obradovic et al.
2021-04-15 · DOI: 10.1172/jci141698Artificial intelligence for automating the measurement of histologic image biomarkers
Toby C. Cornish
2021-04-15 · DOI: 10.1172/jci147966Genetic therapies for the first molecular disease
Phillip A. Doerfler, Akshay Sharma, Jerlym S. Porter, Yan Zheng et al.
2021-04-15 · DOI: 10.1172/jci146394Lysophospholipid acylation modulates plasma membrane lipid organization and insulin sensitivity in skeletal muscle
Patrick J. Ferrara, Xin Rong, J. Alan Maschek, Anthony R.P. Verkerke et al.
2021-04-15 · DOI: 10.1172/jci135963B cell–activating factor modulates the factor VIII immune response in hemophilia A
Bhavya S. Doshi, Jyoti Rana, Giancarlo Castaman, Mostafa A. Shaheen et al.
2021-04-15 · DOI: 10.1172/jci142906Type 1 diabetes mellitus: much progress, many opportunities
Alvin C. Powers
2021-04-15 · DOI: 10.1172/jci142242Gluconeogenic enzyme PCK1 deficiency promotes CHK2 O-GlcNAcylation and hepatocellular carcinoma growth upon glucose deprivation
Jin Xiang, Chang Chen, Rui Liu, Dongmei Gou et al.
2021-04-15 · DOI: 10.1172/jci144703Identification of SARS-CoV-2–specific immune alterations in acutely ill patients
Rose-Marie Rébillard, Marc Charabati, Camille Grasmuck, Abdelali Filali-Mouhim et al.
2021-04-15 · DOI: 10.1172/jci145853Neddylation stabilizes Nav1.1 to maintain interneuron excitability and prevent seizures in murine epilepsy models
Wenbing Chen, Bin Luo, Nannan Gao, Haiwen Li et al.
2021-04-15 · DOI: 10.1172/jci136956The BBSome: a nexus controlling energy metabolism in the brain
Sandra Blaess, Dagmar Wachten
2021-04-15 · DOI: 10.1172/jci148903Deficiency of macrophage PHACTR1 impairs efferocytosis and promotes atherosclerotic plaque necrosis
Canan Kasikara, Maaike Schilperoort, Brennan Gerlach, Chenyi Xue et al.
2021-04-15 · DOI: 10.1172/jci145275Reviews
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April 20, 2025 at 12:06 pm
April 20, 2025