J. Usha Raj

8.0k citations

181 papers · 5.3k indexed · 1 hit paper · h-index 40

Pulmonary and Respiratory Medicine top 0.5%
Molecular Biology top 5%
Physiology top 2%
Cancer Research top 2%
Cardiology and Cardiovascular Medicine top 2%

Co-authors: Yuansheng Gao Basil O. Ibe Tianji Chen Ramaswamy Ramchandran Guofei Zhou Deming Gou Haiyan Zhou Steven H. Abman
Topics: Pulmonary Hypertension Research and Treatments (82 papers)Neonatal Respiratory Health Research (54 papers)Nitric Oxide and Endothelin Effects (47 papers)
Cited by: Pulmonary and Respiratory Medicine Endocrine and Autonomic Systems Cancer Research
Journals: Journal of Biological Chemistry Journal of Clinical Investigation Physiological Reviews
Partner nations: United States China Canada

In The Last Decade

J. Usha Raj

176 papers receiving 5.2k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Pediatric Pulmonary Hypertension

2013 323 citations D. Dunbar Ivy, Steven H. Abman et al. profile →

Peers

Countries citing papers authored by J. Usha Raj

Since Specialization

Citations

This map shows the geographic impact of J. Usha Raj's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J. Usha Raj with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. Usha Raj more than expected).

Fields of papers citing papers by J. Usha Raj

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. Usha Raj. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J. Usha Raj. The network helps show where J. Usha Raj may publish in the future.

Co-authorship network of co-authors of J. Usha Raj

This figure shows the co-authorship network connecting the top 25 collaborators of J. Usha Raj. A scholar is included among the top collaborators of J. Usha Raj based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J. Usha Raj. J. Usha Raj is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	Life-saving effect of pulmonary surfactant in premature babies 2024 ·Journal of Clinical Investigation ·J. Usha Raj,Richard D. Bland,Jahar Bhattacharya,Marlene Rabinovitch,Michael A. Matthay	1
2	Cardiac Catheterization and Hemodynamics in a Multicenter Cohort of Children with Pulmonary Hypertension 2022 ·Annals of the American Thoracic Society ·Erika B. Rosenzweig,(unknown),Mary P. Mullen,Steven H. Abman,Eric D. Austin,Allen D. Everett,Jeffrey R. Fineman,Jeffrey A. Feinstein,Rachel K. Hopper,John P. Kinsella,Usha Krishnan,Minmin Lü,Kenneth D. Mandl,J. Usha Raj,Nidhy P. Varghese,Delphine Yung,Stephanie S. Handler,Lynn A. Sleeper	13
3	Characterisation of paediatric pulmonary hypertensive vascular disease from the PPHNet Registry 2021 ·European Respiratory Journal ·Steven H. Abman,Mary P. Mullen,Lynn A. Sleeper,Eric D. Austin,Erika B. Rosenzweig,John P. Kinsella,D. Dunbar Ivy,Rachel K. Hopper,J. Usha Raj,Jeffrey R. Fineman,Roberta L. Keller,(unknown),Usha Krishnan,Catherine M. Avitabile,Alexander Davidson,Marc D. Natter,Kenneth D. Mandl	52
4	Extracellular Vesicles as Unique Signaling Messengers: Role in Lung Diseases 2021 ·Comprehensive physiology ·Yuansheng Gao,J. Usha Raj	1
5	Smooth Muscle Insulin-Like Growth Factor-1 Mediates Hypoxia-Induced Pulmonary Hypertension in Neonatal Mice 2016 ·American Journal of Respiratory Cell and Molecular Biology ·Miranda Sun,Ramaswamy Ramchandran,Jiwang Chen,Qiwei Yang,J. Usha Raj	40
6	Endothelial and Smooth Muscle Cell Interactions in the Pathobiology of Pulmonary Hypertension 2016 ·American Journal of Respiratory Cell and Molecular Biology ·Yuansheng Gao,Tianji Chen,J. Usha Raj	102
7	MicroRNA-223 Attenuates Hypoxia-induced Vascular Remodeling by Targeting RhoB/MLC2 in Pulmonary Arterial Smooth Muscle Cells 2016 ·Scientific Reports ·Yan Zeng,Xiaoying Zhang,Kang Kang,Jidong Chen,Zhiqin Wu,Jinyong Huang,Wenju Lu,Yuqin Chen,Jie Zhang,Zhiwei Wang,Yujia Zhai,Junle Qu,Ramaswamy Ramchandran,J. Usha Raj,Jian Wang,Deming Gou	66
8	Lung Luminal Liquid Clearance in Newborn Lambs 2015 ·American Review of Respiratory Disease ·J. Usha Raj,Richard D. Bland	0
9	Loss of MicroRNA-17∼92 in Smooth Muscle Cells Attenuates Experimental Pulmonary Hypertension via Induction of PDZ and LIM Domain 5 2015 ·American Journal of Respiratory and Critical Care Medicine ·Tianji Chen,Guofei Zhou,Qiyuan Zhou,Haiyang Tang,(unknown),Hongqiang Cheng,Deming Gou,Ju Chen,Jason X.‐J. Yuan,J. Usha Raj	58
10	MicroRNAs in Pulmonary Arterial Hypertension 2014 ·American Journal of Respiratory Cell and Molecular Biology ·Guofei Zhou,Tianji Chen,J. Usha Raj	113
11	The Sphingosine Kinase 1/Sphingosine-1-Phosphate Pathway in Pulmonary Arterial Hypertension 2014 ·American Journal of Respiratory and Critical Care Medicine ·Jiwang Chen,Haiyang Tang,Justin R. Sysol,Liliana Moreno‐Vinasco,Krystyna M. Shioura,Tianji Chen,И. А. Горшкова,Lichun Wang,Long Shuang Huang,Peter V. Usatyuk,Saad Sammani,Guofei Zhou,J. Usha Raj,Joe G. N. Garcia,Evgeny Berdyshev,Jason X.‐J. Yuan,Viswanathan Natarajan,Roberto F. Machado	115
12	Knockdown of von Hippel–Lindau protein decreases lung cancer cell proliferation and colonization 2012 ·FEBS Letters ·Qiyuan Zhou,Tianji Chen,(unknown),J. Usha Raj,Guofei Zhou	14
13	A Consensus Approach to the Classification of Pediatric Pulmonary Hypertensive Vascular Disease: Report from the PVRI Pediatric Taskforce, Panama 2011 2011 ·Pulmonary Circulation ·María Jesús del Cerro,Steven H. Abman,Gabriel Díaz,(unknown),Franz Freudenthal,S Harikrishnan,Sheila G. Haworth,D. Dunbar Ivy,Antônio Augusto Lopes,J. Usha Raj,Julio Sandoval,Kurt R. Stenmark,Ian Adatia	170
14	Hypoxic Regulation of Pulmonary Vascular Smooth Muscle Cyclic Guanosine Monophosphate–Dependent Kinase by the Ubiquitin Conjugating System 2011 ·American Journal of Respiratory Cell and Molecular Biology ·Ramaswamy Ramchandran,Evgeny V. Pilipenko,(unknown),(unknown),Sekhar P. Reddy,J. Usha Raj	16
15	Prolonged hypoxia modulates platelet activating factor receptor-mediated responses by fetal ovine pulmonary vascular smooth muscle cells 2010 ·Molecular Genetics and Metabolism ·(unknown),J. Usha Raj,Basil O. Ibe	4
16	Role of Epidermal Growth Factor Receptor in Ovine Fetal Pulmonary Vascular Remodeling Following Exposure to High Altitude Long-Term Hypoxia 2008 ·High Altitude Medicine & Biology ·(unknown),Weilin Zhou,Alison A. Hislop,Basil O. Ibe,Lawrence D. Longo,J. Usha Raj	13
17	Hypoxia-induced reactive oxygen species downregulate ET_Breceptor-mediated contraction of rat pulmonary arteries 2005 ·American Journal of Physiology-Lung Cellular and Molecular Physiology ·Xiaohua Wang,Mei Song Tong,(unknown),J. Usha Raj,Yuansheng Gao	32
18	Endogenous Arachidonic Acid Metabolism by Calcium Ionophore A23187-stimulated Lamb Lungs: Effect of Hypoxia 1991 ·American Journal of Respiratory Cell and Molecular Biology ·Basil O. Ibe,(unknown),J. Usha Raj	8
19	Lung Vascular Effects of Lipid Infusion in Awake Lambs 1987 ·Pediatric Research ·W. Gerald Teague,J. Usha Raj,David Braun,Michel Berner,Ronald I. Clyman,Richard D. Bland	10
20	Micro vascular pressures in nonedematous and edematous rabbit lungs 1984 ·Federation Proceedings ·J. Usha Raj,Roxanne Sheffield,Richard D. Bland,(unknown)	1

About J. Usha Raj

J. Usha Raj is a scholar working on Pulmonary and Respiratory Medicine, Endocrine and Autonomic Systems and Cancer Research, having authored 181 papers that have together received 5.3k indexed citations. Recurring topics across this work include Pulmonary Hypertension Research and Treatments (82 papers), Neonatal Respiratory Health Research (54 papers) and Nitric Oxide and Endothelin Effects (47 papers). The work is most often cited by research in Pulmonary and Respiratory Medicine (3.1k citations), Endocrine and Autonomic Systems (496 citations) and Cancer Research (981 citations). J. Usha Raj has collaborated with scholars based in United States, China and Canada. Frequent co-authors include Yuansheng Gao, Basil O. Ibe, Tianji Chen, Ramaswamy Ramchandran, Guofei Zhou, Deming Gou, Haiyan Zhou, Steven H. Abman, Joseph Anderson and D. Dunbar Ivy. Their work appears in journals such as Journal of Biological Chemistry, Journal of Clinical Investigation and Physiological Reviews.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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