S. P. Kalra

6.8k total citations · 2 hit papers
93 papers, 5.7k citations indexed

About

S. P. Kalra is a scholar working on Reproductive Medicine, Endocrine and Autonomic Systems and Cellular and Molecular Neuroscience. According to data from OpenAlex, S. P. Kalra has authored 93 papers receiving a total of 5.7k indexed citations (citations by other indexed papers that have themselves been cited), including 53 papers in Reproductive Medicine, 44 papers in Endocrine and Autonomic Systems and 40 papers in Cellular and Molecular Neuroscience. Recurrent topics in S. P. Kalra's work include Hypothalamic control of reproductive hormones (51 papers), Regulation of Appetite and Obesity (44 papers) and Neuropeptides and Animal Physiology (40 papers). S. P. Kalra is often cited by papers focused on Hypothalamic control of reproductive hormones (51 papers), Regulation of Appetite and Obesity (44 papers) and Neuropeptides and Animal Physiology (40 papers). S. P. Kalra collaborates with scholars based in United States, Czechia and India. S. P. Kalra's co-authors include Pushpa S. Kalra, William R. Crowley, Marie‐Christine Dubé, Anita Sahu, Christopher P. Phelps, A. Sahu, Bin Xu, J. J. Bonavera, Shuye Pu and Samuel M. McCann and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of Clinical Investigation and Endocrine Reviews.

In The Last Decade

S. P. Kalra

93 papers receiving 5.6k citations

Hit Papers

align trajectories sort by overperformance

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.

Interacting Appetite-Regulating Pathways in the Hypothalamic Regulation of Body Weight

1999 775 citations S. P. Kalra profile →
Neuropeptide Y secretion increases in the paraventricular nucleus in association with increased appetite for food.

1991 581 citations S. P. Kalra, Marie‐Christine Dubé et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
S. P. Kalra United States	43	3.3k	2.1k	2.0k	1.2k	1.1k	93	5.7k
Simon M. Luckman United Kingdom	39	2.7k 0.8×	1.6k 0.8×	670 0.3×	1.1k 0.9×	876 0.8×	87	4.5k
William R. Crowley United States	51	3.1k 0.9×	3.5k 1.7×	3.0k 1.5×	781 0.7×	592 0.5×	149	7.7k
B. Glenn Stanley United States	35	4.0k 1.2×	3.6k 1.8×	867 0.4×	1.0k 0.9×	1.4k 1.2×	70	6.3k
Oline K. Rønnekleiv United States	57	2.8k 0.9×	2.1k 1.0×	4.0k 2.0×	1.0k 0.9×	645 0.6×	157	8.6k
Abhiram Sahu United States	29	2.2k 0.7×	1.3k 0.6×	909 0.5×	686 0.6×	878 0.8×	60	3.3k
Csaba Fekete Hungary	48	3.2k 1.0×	1.2k 0.6×	655 0.3×	1.6k 1.4×	1.2k 1.0×	139	6.7k
Satya P. Kalra United States	56	6.7k 2.0×	4.2k 2.1×	3.6k 1.8×	2.5k 2.2×	2.6k 2.3×	169	11.6k
Christian Broberger Sweden	34	3.3k 1.0×	1.7k 0.8×	453 0.2×	1.4k 1.2×	1.4k 1.2×	73	5.8k
Sébastien G. Bouret United States	46	4.0k 1.2×	703 0.3×	754 0.4×	2.6k 2.2×	1.6k 1.4×	97	7.3k
Robert L. Eskay United States	48	1.3k 0.4×	3.6k 1.8×	923 0.5×	1.0k 0.9×	403 0.4×	114	6.8k

Countries citing papers authored by S. P. Kalra

Since Specialization

Citations

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

Fields of papers citing papers by S. P. Kalra

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. P. Kalra

This figure shows the co-authorship network connecting the top 25 collaborators of S. P. Kalra. A scholar is included among the top collaborators of S. P. Kalra 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 S. P. Kalra. S. P. Kalra 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

Kalra, S. P.. (2011). Pivotal role of leptin-hypothalamus signaling in the etiology of diabetes uncovered by gene therapy: a new therapeutic intervention?. Gene Therapy. 18(4). 319–325. 12 indexed citations

Crowley, William R., et al.. (2007). Neuroendocrine actions and regulation of hypothalamic neuropeptide Y during lactation. Peptides. 28(2). 447–452. 26 indexed citations

Kennedy, L., et al.. (2005). Circulating adiponectin levels, body composition and obesity-related variables in Prader–Willi syndrome: comparison with obese subjects. International Journal of Obesity. 30(2). 382–387. 68 indexed citations

Dhillon, Harveen, S. P. Kalra, Victor Prima, et al.. (2001). Central leptin gene therapy suppresses body weight gain, adiposity and serum insulin without affecting food consumption in normal rats: a long-term study. Regulatory Peptides. 99(2-3). 69–77. 87 indexed citations

Pu, Shuye, Harveen Dhillon, Lyle L. Moldawer, Pushpa S. Kalra, & S. P. Kalra. (2000). Neuropeptide Y Counteracts the Anorectic and Weight Reducing Effects of Ciliary Neurotropic Factor. Journal of Neuroendocrinology. 12(9). 827–832. 36 indexed citations

Xu, Bin, Pushpa S. Kalra, William G. Farmerie, & S. P. Kalra. (1999). Daily Changes in Hypothalamic Gene Expression of Neuropeptide Y, Galanin, Proopiomelanocortin, and Adipocyte Leptin Gene Expression and Secretion: Effects of Food Restriction¹. Endocrinology. 140(6). 2868–2875. 129 indexed citations

Kalra, Pushpa S., et al.. (1998). The anti-gonadotropic effects of cytokines: the role of neuropeptides. Domestic Animal Endocrinology. 15(5). 321–332. 56 indexed citations

Koyama, K, Michio Shimabukuro, Ying Lee, et al.. (1998). Resistance to adenovirally induced hyperleptinemia in rats. Comparison of ventromedial hypothalamic lesions and mutated leptin receptors.. Journal of Clinical Investigation. 102(4). 728–733. 42 indexed citations

Xu, Bin, Shuye Pu, Pushpa S. Kalra, et al.. (1996). An interactive physiological role of neuropeptide Y and galanin in pulsatile pituitary luteinizing hormone secretion.. Endocrinology. 137(12). 5297–5302. 36 indexed citations

10.

Kalra, Pushpa S., et al.. (1996). Is an increase of nitric oxide efflux in the medial preoptic area coupled to the preovulatory GnRH surge. The Society for Neuroscience Abstracts. 22. 957. 1 indexed citations

11.

Kalra, Pushpa S., J. J. Bonavera, & S. P. Kalra. (1995). Central administration of antisense oligodeoxynucleotides to neuropeptide Y (NPY) mRNA reveals the critical role of newly synthesized NPY in regulation of LHRH release. Regulatory Peptides. 59(2). 215–220. 46 indexed citations

12.

Bonavera, J. J., A. Sahu, S. P. Kalra, & Pushpa S. Kalra. (1994). The Hypothalamic Peptides, β‐Endorphin, Neuropeptide K and Interleukin‐1β, and the Opiate Morphine, Enhance the Excitatory Amino Acid‐Induced LH Release under the Influence of Gonadal Steroids. Journal of Neuroendocrinology. 6(5). 557–564. 12 indexed citations

13.

Xu, Bin, Anita Sahu, William R. Crowley, et al.. (1993). Role of neuropeptide-Y in episodic luteinizing hormone release in ovariectomized rats: an excitatory component and opioid involvement.. Endocrinology. 133(2). 747–754. 18 indexed citations

14.

Sahu, A., William R. Crowley, S. P. Kalra, & Pushpa S. Kalra. (1993). Role of Multiple Voltage-Sensitive Calcium Channels in Depolarization-Induced Release of Neuropeptide Y and Luteinizing Hormone-Releasing Hormone from Rat Median Eminence-Arcuate Nucleus. Molecular and Cellular Neuroscience. 4(6). 492–498. 4 indexed citations

15.

Parker, Steven L., S. P. Kalra, & William R. Crowley. (1991). Neuropeptide Y Modulates the Binding of a Gonadotropin-Releasing Hormone (GnRH) Analog to Anterior Pituitary GnRH Receptor Sites*. Endocrinology. 128(5). 2309–2316. 51 indexed citations

16.

Crowley, William R., et al.. (1990). Neuropeptide-Y Enhances Luteinizing Hormone (LH)-Releasing Hormone-Induced LH Release and Elevations in Cytosolic Ca²⁺in Rat Anterior Pituitary Cells: Evidence for Involvement of Extracellular Ca²⁺Influx through Voltage-Sensitive Channels*. Endocrinology. 127(3). 1487–1494. 40 indexed citations

17.

Allen, L. G., et al.. (1988). Evidence That a Decrease in Opioid Tone on Proestrus Changes the Episodic Pattern of Luteinizing Hormone (LH) Secretion: Implications in the Preovulatory LH Hypersecretion*. Endocrinology. 122(3). 1004–1013. 35 indexed citations

18.

Kumar, M. S. A., et al.. (1982). Diurnal Fluctuations in Methionine-Enkephalin Levels in the Hypothalamus and Preoptic Area of the Male Rat: Effects of Pinealectomy. Neuroendocrinology. 35(1). 28–31. 63 indexed citations

19.

Kumar, M. S. A., et al.. (1980). Distribution of Luteinizing Hormone Releasing Hormone in the Canine Hypothalamus: Effect of Castration and Exogenous Gonadal Steroids. American Journal of Veterinary Research. 41(8). 1304–1309. 16 indexed citations

20.

Kalra, S. P.. (1977). Suppression of serum LH-RH and LH in rats by an inhibitor of norepinephrine synthesis. Reproduction. 49(2). 371–373. 6 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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