Flora Sam

25.0k total citations · 1 hit paper
79 papers, 4.6k citations indexed

About

Flora Sam is a scholar working on Cardiology and Cardiovascular Medicine, Molecular Biology and Surgery. According to data from OpenAlex, Flora Sam has authored 79 papers receiving a total of 4.6k indexed citations (citations by other indexed papers that have themselves been cited), including 44 papers in Cardiology and Cardiovascular Medicine, 26 papers in Molecular Biology and 17 papers in Surgery. Recurrent topics in Flora Sam's work include Cardiovascular Function and Risk Factors (28 papers), Cardiac Fibrosis and Remodeling (13 papers) and Heart Failure Treatment and Management (11 papers). Flora Sam is often cited by papers focused on Cardiovascular Function and Risk Factors (28 papers), Cardiac Fibrosis and Remodeling (13 papers) and Heart Failure Treatment and Management (11 papers). Flora Sam collaborates with scholars based in United States, Japan and Canada. Flora Sam's co-authors include Eric E. Essick, Wilson S. Colucci, María Valero‐Muñoz, Noriyuki Ouchi, Richard Wilson, Douglas B. Sawyer, Deborah A. Siwik, Maarten Hulsmans, Matthias Nahrendorf and Kenneth Walsh and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Biological Chemistry and Circulation.

In The Last Decade

Flora Sam

75 papers receiving 4.5k 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.

Research Priorities for Heart Failure With Preserved Ejection Fraction

2020 273 citations Julio A. Chirinos, Flora Sam et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Flora Sam United States	39	2.3k	1.8k	781	705	641	79	4.6k
Pingjin Gao China	40	1.7k 0.7×	1.6k 0.9×	710 0.9×	879 1.2×	606 0.9×	213	5.1k
Ichiro Kishimoto Japan	40	3.0k 1.3×	1.7k 1.0×	896 1.1×	639 0.9×	444 0.7×	111	5.2k
Xian Wu Cheng Japan	42	1.2k 0.5×	1.7k 0.9×	782 1.0×	773 1.1×	581 0.9×	195	5.1k
Deborah A. Siwik United States	37	2.3k 1.0×	2.0k 1.1×	1.1k 1.4×	686 1.0×	302 0.5×	64	5.0k
Michael Arad Israel	37	3.2k 1.4×	2.6k 1.4×	694 0.9×	1.0k 1.5×	627 1.0×	172	5.8k
Kensuke Noma Japan	37	2.1k 0.9×	1.9k 1.1×	1.1k 1.3×	977 1.4×	363 0.6×	97	6.0k
Koichiro Kuwahara Japan	47	3.1k 1.3×	2.9k 1.6×	595 0.8×	988 1.4×	326 0.5×	218	6.3k
Yasuhiro Izumiya Japan	33	1.3k 0.5×	2.3k 1.3×	1.1k 1.4×	512 0.7×	553 0.9×	96	4.3k
Pierre Paradis Canada	40	2.3k 1.0×	1.8k 1.0×	749 1.0×	846 1.2×	424 0.7×	109	5.4k
Gabriele G. Schiattarella Italy	33	2.1k 0.9×	2.1k 1.2×	816 1.0×	605 0.9×	980 1.5×	108	4.9k

Countries citing papers authored by Flora Sam

Since Specialization

Citations

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

Fields of papers citing papers by Flora Sam

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Flora Sam. 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 Flora Sam. The network helps show where Flora Sam may publish in the future.

Co-authorship network of co-authors of Flora Sam

This figure shows the co-authorship network connecting the top 25 collaborators of Flora Sam. A scholar is included among the top collaborators of Flora Sam 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 Flora Sam. Flora Sam 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

Saw, Eng Leng, Hannah Cooper, David R. Pimental, et al.. (2025). Musclin Counteracts Skeletal Muscle Dysfunction and Exercise Intolerance in Heart Failure With Preserved Ejection Fraction. Circulation Heart Failure. 18(6). e012350–e012350. 1 indexed citations

Valero‐Muñoz, María, Eng Leng Saw, Hannah Cooper, David R. Pimentel, & Flora Sam. (2025). White Adipose Tissue in Obesity-Associated HFpEF. JACC Basic to Translational Science. 10(8). 101262–101262. 1 indexed citations

Roh, Jason D., Joseph A. Hill, Abhilasha Singh, María Valero‐Muñoz, & Flora Sam. (2022). Heart Failure With Preserved Ejection Fraction: Heterogeneous Syndrome, Diverse Preclinical Models. Circulation Research. 130(12). 1906–1925. 91 indexed citations

Valero‐Muñoz, María, et al.. (2021). Endothelial-Mesenchymal Transition in Heart Failure With a Preserved Ejection Fraction. Circulation Heart Failure. 14(9). e008372–e008372. 21 indexed citations

Sam, Flora. (2020). Sympathy in John Dewey’s Theory of Community: Presenting a Challenge to Anti-Democratic Community. Education and Culture. 36(2). 3. 1 indexed citations

Valero‐Muñoz, María, Richard Wilson, Rosa Bretón‐Romero, et al.. (2020). Doxycycline decreases amyloidogenic light chain-induced autophagy in isolated primary cardiac myocytes. International Journal of Cardiology. 321. 133–136. 5 indexed citations

Luptak, Ivan, et al.. (2019). Use of Ventilatory Efficiency Slope as a Marker for Increased Mortality in Wild-Type Transthyretin Cardiac Amyloidosis. The American Journal of Cardiology. 124(1). 122–130. 18 indexed citations

Tahir, Usman A., Gheorghe Doros, John S. Kim, et al.. (2019). Predictors of Mortality in Light Chain Cardiac Amyloidosis with Heart Failure. Scientific Reports. 9(1). 8552–8552. 36 indexed citations

Valero‐Muñoz, María, et al.. (2017). Murine Models of Heart Failure With Preserved Ejection Fraction. JACC Basic to Translational Science. 2(6). 770–789. 159 indexed citations

10.

Tahir, Usman A., Gheorghe Doros, Mary Keebler, & Flora Sam. (2014). DELAYED MYOCARDIAL RECOVERY IN PERIPARTUM CARDIOMYOPATHY (PPCM) IN AN URBAN COHORT. Journal of the American College of Cardiology. 63(12). A837–A837. 1 indexed citations

11.

Gopal, Deepa M. & Flora Sam. (2013). New and Emerging Biomarkers in Left Ventricular Systolic Dysfunction—Insight into Dilated Cardiomyopathy. Journal of Cardiovascular Translational Research. 6(4). 516–527. 31 indexed citations

12.

Greene, Michael, et al.. (2011). Evidence for a Functional Role of the Molecular Chaperone Clusterin in Amyloidotic Cardiomyopathy. American Journal Of Pathology. 178(1). 61–68. 44 indexed citations

13.

Shimano, Masayuki, Noriyuki Ouchi, Kazuto Nakamura, et al.. (2011). Cardiac Myocyte-specific Ablation of Follistatin-like 3 Attenuates Stress-induced Myocardial Hypertrophy. Journal of Biological Chemistry. 286(11). 9840–9848. 36 indexed citations

14.

Essick, Eric E. & Flora Sam. (2010). Oxidative Stress and Autophagy in Cardiac Disease, Neurological Disorders, Aging and Cancer. Oxidative Medicine and Cellular Longevity. 3(3). 168–177. 212 indexed citations

15.

Biolo, Andréia, Rei Shibata, Noriyuki Ouchi, et al.. (2010). Determinants of Adiponectin Levels in Patients With Chronic Systolic Heart Failure. The American Journal of Cardiology. 105(8). 1147–1152. 23 indexed citations

16.

Ikeda, Yasumasa, Kaori Sato, David R. Pimentel, et al.. (2009). Cardiac-specific Deletion of LKB1 Leads to Hypertrophy and Dysfunction. Journal of Biological Chemistry. 284(51). 35839–35849. 126 indexed citations

17.

Biolo, Andréia, Tania Chao, Eugene Kotlyar, et al.. (2007). Usefulness of the Aldosterone Synthase Gene Polymorphism C-344-T to Predict Cardiac Remodeling in African-Americans Versus Non–African-Americans With Chronic Systolic Heart Failure. The American Journal of Cardiology. 100(2). 285–290. 12 indexed citations

18.

Sam, Flora, Joseph A. Vita, Yamini S. Levitzky, et al.. (2006). Predictors of Improved Left Ventricular Systolic Function in an Urban Cardiomyopathy Program. The American Journal of Cardiology. 98(12). 1622–1626. 4 indexed citations

19.

Kotlyar, Eugene, Joseph A. Vita, Michael Winter, et al.. (2006). The Relationship Between Aldosterone, Oxidative Stress, and Inflammation in Chronic, Stable Human Heart Failure. Journal of Cardiac Failure. 12(2). 122–127. 61 indexed citations

20.

Rude, Mary K., Gabriela M. Kuster, Sharon Judge, et al.. (2005). Aldosterone Stimulates Matrix Metalloproteinases and Reactive Oxygen Species in Adult Rat Ventricular Cardiomyocytes. Hypertension. 46(3). 555–561. 125 indexed citations

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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