Leona P. Whichard

2.9k citations

27 papers · 2.3k indexed · 2 hit papers · h-index 18

Plant Science top 2%
Ecology, Evolution, Behavior and Systematics top 1%
Immunology top 5%
Molecular Biology
Oncology top 10%

Co-authors: Monroe E. Wall G. H. Egley Dhavalkumar D. Patel Barton F. Haynes K H Singer Stephen M. Denning Patricia A. Luhan A. T. McPhail
Topics: T-cell and B-cell Immunology (5 papers)DNA and Nucleic Acid Chemistry (4 papers)Immunotherapy and Immune Responses (4 papers)
Cited by: Ecology, Evolution, Behavior and Systematics Immunology and Allergy Plant Science
Journals: Science Journal of the American Chemical Society The Journal of Experimental Medicine
Partner nations: United States Hungary Japan

In The Last Decade

Leona P. Whichard

27 papers receiving 2.3k 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.

Germination of Witchweed ( Striga lutea Lour.): Isolation and Properties of a Potent Stimulant

1966 755 citations Leona P. Whichard et al. profile →
Germination stimulants. II. Structure of strigol, a potent seed germination stimulant for witchweed (Striga lutea)

1972 345 citations Leona P. Whichard et al. profile →

Peers

Countries citing papers authored by Leona P. Whichard

Since Specialization

Citations

This map shows the geographic impact of Leona P. Whichard'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 Leona P. Whichard with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Leona P. Whichard more than expected).

Fields of papers citing papers by Leona P. Whichard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Leona P. Whichard. 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 Leona P. Whichard. The network helps show where Leona P. Whichard may publish in the future.

Co-authorship network of co-authors of Leona P. Whichard

This figure shows the co-authorship network connecting the top 25 collaborators of Leona P. Whichard. A scholar is included among the top collaborators of Leona P. Whichard 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 Leona P. Whichard. Leona P. Whichard is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Chemokines Have Diverse Abilities to Form Solid Phase Gradients 2001 ·Clinical Immunology ·Dhavalkumar D. Patel,Witte Koopmann,Toshio Imai,Leona P. Whichard,Osamu Yoshie,Michael S. Krangel	116
2	Cytokine-regulated expression of activated leukocyte cell adhesion molecule (CD166) on monocyte-lineage cells and in rheumatoid arthritis synovium 1998 ·Arthritis & Rheumatism ·Marc C. Levesque,(unknown),Leona P. Whichard,Dhavalkumar D. Patel	44
3	Thymocytes and Cultured Thymic Epithelial Cells Express Transcripts Encoding α‐3, α‐5, and β‐4 Subunits of Neuronal Nicotinic Acetylcholine Receptors: Preferential Transcription of the α‐3 and β‐4 Genes by Immature CD4+8+ Thymocytes and Evidence for Response to Nicotine in Thymocytes^a 1998 ·Annals of the New York Academy of Sciences ·Mirta Mihovilovic,Stephen M. Denning,(unknown),(unknown),Leona P. Whichard,Dhavalkumar D. Patel,Allen D. Roses	11
4	CD34+CD38−lin− Cord Blood Cells Develop into Dendritic Cells in Human Thymic Stromal Monolayers and Thymic Nodules 1998 ·The Journal of Immunology ·G. Diego Miralles,Clayton A. Smith,Leona P. Whichard,Michael A. Morse,Barton F. Haynes,Dhavalkumar D. Patel	13
5	Cytokine-regulated expression of activated leukocyte cell adhesion molecule (CD166) on monocyte-lineage cells and in rheumatoid arthritis synovium 1998 ·Arthritis & Rheumatism ·Marc C. Levesque,(unknown),Leona P. Whichard,Dhavalkumar D. Patel	2
6	Thymocytes and cultured thymic epithelial cells express transcripts encoding α-3, α-5 and β-4 subunits of neuronal nicotinic acetylcholine receptors: preferential transcription of the α-3 and β-4 genes by immature CD4+8+ thymocytes 1997 ·Journal of Neuroimmunology ·Mirta Mihovilovic,Stephen M. Denning,(unknown),Leona P. Whichard,Dhavalkumar D. Patel,Allen D. Roses	22
7	Identification and characterization of a 100-kD ligand for CD6 on human thymic epithelial cells. 1995 ·The Journal of Experimental Medicine ·Dhavalkumar D. Patel,S. Wee,Leona P. Whichard,Michael A. Bowen,J M Pesando,Alejandro Aruffo,Barton F. Haynes	127
8	Expression of CD44 molecules and CD44 ligands during human thymic fetal development: expression of CD44 isoforms is developmentally regulated 1995 ·International Immunology ·Dhavalkumar D. Patel,Laura P. Hale,Leona P. Whichard,Gilbert Radcliff,Charles R. Mackay,Barton F. Haynes	34
9	Characterization of human thymic epithelial cell surface antigens: Phenotypic similarity of thymic epithelial cells to epidermal keratinocytes 1995 ·Journal of Clinical Immunology ·Dhavalkumar D. Patel,Leona P. Whichard,Gilbert Radcliff,Stephen M. Denning,Barton F. Haynes	49
10	Thymic microenvironment induces HIV expression. Physiologic secretion of IL-6 by thymic epithelial cells up-regulates virus expression in chronically infected cells 1991 ·The Journal of Immunology ·S M Schnittman,K H Singer,Jack Greenhouse,Sharilyn K. Stanley,Leona P. Whichard,Phong T. Le,Barton F. Haynes,Anthony S. Fauci	30
11	Regulation of cytokine production in the human thymus: epidermal growth factor and transforming growth factor alpha regulate mRNA levels of interleukin 1 alpha (IL-1 alpha), IL-1 beta, and IL-6 in human thymic epithelial cells at a post-transcriptional level. 1991 ·The Journal of Experimental Medicine ·Phong T. Le,Suzanne Lazorick,Leona P. Whichard,Barton F. Haynes,K H Singer	95
12	The Role of Adhesion Molecules in Epithelial–T-Cell Interactions in Thymus and Skin 1990 ·Journal of Investigative Dermatology ·Kay H. Singer,Phong T. Le,Stephen M. Denning,Leona P. Whichard,Barton F. Haynes	29
13	Human thymic epithelial cells produce IL-6, granulocyte-monocyte-CSF, and leukemia inhibitory factor. 1990 ·The Journal of Immunology ·Phong T. Le,Suzanne Lazorick,Leona P. Whichard,Y C Yang,Steven C. Clark,Barton F. Haynes,K H Singer	92
14	Thymocyte LFA-1 and thymic epithelial cell ICAM-1 molecules mediate binding of activated human thymocytes to thymic epithelial cells. 1990 ·The Journal of Immunology ·K H Singer,Stephen M. Denning,Leona P. Whichard,Barton F. Haynes	79
15	Removal of Fibroblasts from Human Epithelial Cell Cultures with Use of a Complement Fixing Monoclonal Antibody Reactive with Human Fibroblasts and Monocytes/Macrophages 1989 ·Journal of Investigative Dermatology ·Kay H. Singer,Richard M. Scearce,D T Tuck,Leona P. Whichard,Stephen M. Denning,B F Haynes	68
16	Synovial microenvironment‐t cell interactions 1988 ·Arthritis & Rheumatism ·Barton F. Haynes,(unknown),Leona P. Whichard,Laura P. Hale,James A. Nunley,Donald E. McCollum,Kay H. Singer	52
17	The inhibition in vitro of bacterial DNA polymerases and RNA polymerase by antimalarial 8-aminoquinolines and by chloroquine 1972 ·Biochimica et Biophysica Acta (BBA) - Nucleic Acids and Protein Synthesis ·Leona P. Whichard,(unknown),David J. Holbrook	29
18	The Binding of Antimalarial Aminoquinolines to Nucleic Acids and Polynucleotides 1970 ·Molecular Pharmacology ·Carl R. Morris,(unknown),Leona P. Whichard,David J. Holbrook	11
19	The Binding of Primaquine, Pentaquine, Pamaquine, and Plasmocid to Deoxyribonucleic Acid 1968 ·Molecular Pharmacology ·Leona P. Whichard,Carl R. Morris,(unknown),David J. Holbrook	21
20	Effect of histones on the induction of two liver enzymes by hydrocortisone 1964 ·Archives of Biochemistry and Biophysics ·(unknown),Leona P. Whichard,J. Logan Irvin	11

About Leona P. Whichard

Leona P. Whichard is a scholar working on Immunology and Allergy, Immunology and Biological Psychiatry, having authored 27 papers that have together received 2.3k indexed citations. Recurring topics across this work include T-cell and B-cell Immunology (5 papers), DNA and Nucleic Acid Chemistry (4 papers) and Immunotherapy and Immune Responses (4 papers). The work is most often cited by research in Ecology, Evolution, Behavior and Systematics (841 citations), Immunology and Allergy (196 citations) and Plant Science (1.1k citations). Leona P. Whichard has collaborated with scholars based in United States, Hungary and Japan. Frequent co-authors include Monroe E. Wall, G. H. Egley, Dhavalkumar D. Patel, Barton F. Haynes, K H Singer, Stephen M. Denning, Patricia A. Luhan, A. T. McPhail, P. Coggon and Phong T. Le. Their work appears in journals such as Science, Journal of the American Chemical Society and The Journal of Experimental Medicine.

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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