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Karnam S. Murthy

D-Index & Metrics

Biology and Biochemistry

D-Index
61
Citations
9693
World Ranking
11622
National Ranking
5003

Karnam S. Murthy publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Karnam S. Murthy sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 245 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Karnam S. Murthy D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Karnam S. Murthy sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 61 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Karnam S. Murthy is affiliated with Virginia Commonwealth University in the United States. Their research spans multiple areas within medicine and biochemistry, genetics, and molecular biology.

The scientist has contributed to several fields of study, including:

  • Medicine
  • Biochemistry, Genetics and Molecular Biology

Within these main fields, they have focused on specific subfields such as:

  • Cell Biology
  • Surgery
  • Infectious Diseases
  • Immunology
  • Molecular Biology

Their main research topics cover a diverse range that includes:

  • Endoplasmic Reticulum Stress and Disease
  • Pancreatitis Pathology and Treatment
  • Phagocytosis and Immune Regulation
  • Muscle Physiology and Disorders
  • Exercise and Physiological Responses
  • Muscle metabolism and nutrition
  • COVID-19 Clinical Research Studies

Karnam S. Murthy has published multiple papers in peer-reviewed journals with a focus on medical and physiological studies. Notable recent publications include:

  • "Endoplasmic Reticulum Stress in Subepithelial Myofibroblasts Increases the TGF-β1 Activity That Regulates Fibrosis in Crohn's Disease," 2020, published in Inflammatory Bowel Diseases
  • "Decreased smooth muscle function, peristaltic activity, and gastrointestinal transit in dystrophic (mdx) mice," 2020, published in Neurogastroenterology & Motility
  • "COVID-19 and gastrointestinal system: A brief review," 2021, published in Biomedical Journal
  • "Obituary for Dr. Gabriel M. Makhlouf," 2021, published in Neurogastroenterology & Motility

Frequent co-authors collaborating with Karnam S. Murthy include:

  • John R. Grider
  • Chao Li
  • Jaime L. Bohl
  • Emily B. Rivet
  • Nicole Wieghard

They have published most frequently in the following academic venues:

  • Neurogastroenterology & Motility
  • Inflammatory Bowel Diseases
  • Biomedical Journal

Best Publications

  • SIGNALING FOR CONTRACTION AND RELAXATION IN SMOOTH MUSCLE OF THE GUT

    Karnam S. Murthy

  • Stimulation of nitric oxide from muscle cells by VIP: prejunctional enhancement of VIP release

    J. R. Grider;K. S. Murthy;J. G. Jin;G. M. Makhlouf

  • Activation of transmembrane bile acid receptor TGR5 stimulates insulin secretion in pancreatic β cells.

    Divya P. Kumar;Senthilkumar Rajagopal;Sunila Mahavadi;Faridoddin Mirshahi

  • Differential signalling by muscarinic receptors in smooth muscle: m2-mediated inactivation of myosin light chain kinase via Gi3, Cdc42/Rac1 and p21-activated kinase 1 pathway, and m3-mediated MLC20 (20 kDa regulatory light chain of myosin II) phosphorylation via Rho-associated kinase/myosin phosphatase targeting subunit 1 and protein kinase C/CPI-17 pathway.

    Karnam S Murthy;Huiping Zhou;John R Grider;David L Brautigan

  • Expression of endothelial nitric oxide synthase in human and rabbit gastrointestinal smooth muscle cells

    B.-Q. Teng;K. S. Murthy;J. F. Kuemmerle;J. R. Grider

  • Opioid mu, delta, and kappa receptor-induced activation of phospholipase C-beta 3 and inhibition of adenylyl cyclase is mediated by Gi2 and G(o) in smooth muscle.

    K S Murthy;G M Makhlouf

  • Somatostatin Receptor-mediated Signaling in Smooth Muscle ACTIVATION OF PHOSPHOLIPASE C-β3 BY Gβγ AND INHIBITION OF ADENYLYL CYCLASE BY Gαi1 AND Gαo

    Karnam S. Murthy;David H. Coy;Gabriel M. Makhlouf

  • Gi-1/Gi-2-dependent signaling by single-transmembrane natriuretic peptide clearance receptor

    K. S. Murthy;B.-Q. Teng;H. Zhou;J.-G. Jin

  • G protein-dependent activation of smooth muscle eNOS via natriuretic peptide clearance receptor

    K. S. Murthy;B.-Q. Teng;J.-G. Jin;G. M. Makhlouf

  • Identification of the G Protein-activating Domain of the Natriuretic Peptide Clearance Receptor (NPR-C)

    Karnam S. Murthy;Gabriel M. Makhlouf

  • SIGNAL TRANSDUCTION IN GASTROINTESTINAL SMOOTH MUSCLE

    Gabriel M Makhlouf;Karnam S Murthy

  • Inhibition of sustained smooth muscle contraction by PKA and PKG preferentially mediated by phosphorylation of RhoA

    Karnam S. Murthy;Huiping Zhou;John R. Grider;Gabriel M. Makhlouf

  • Vasoactive intestinal peptide/pituitary adenylate cyclase-activating peptide-dependent activation of membrane-bound NO synthase in smooth muscle mediated by pertussis toxin-sensitive Gi1-2.

    K.S. Murthy;G.M. Makhlouf

  • Interaction of cA-kinase and cG-kinase in mediating relaxation of dispersed smooth muscle cells

    K. S. Murthy;G. M. Makhlouf

  • Sphingosine-1-phosphate stimulates contraction of human airway smooth muscle cells.

    Hans M Rosenfeldt;Yassine Amrani;Kenneth R Watterson;Karnam S Murthy

  • Coexpression of Ligand-gated P2X and G Protein-coupled P2Y Receptors in Smooth Muscle PREFERENTIAL ACTIVATION OF P2Y RECEPTORS COUPLED TO PHOSPHOLIPASE C (PLC)-β1 VIA Gαq/11 AND TO PLC-β3 VIA Gβγi3

    Karnam S. Murthy;Gabriel M. Makhlouf

  • The short chain fatty acids, butyrate and propionate, have differential effects on the motility of the guinea pig colon

    Norm R. Hurst;Derek M. Kendig;Karnam S. Murthy;John R. Grider

  • VIP-mediated G protein-coupled Ca2+ influx activates a constitutive NOS in dispersed gastric muscle cells.

    K. S. Murthy;K. M. Zhang;J. G. Jin;J. R. Grider

  • Gq/G13 signaling by ET-1 in smooth muscle : MYPT1 phosphorylation via ETA and CPI-17 dephosphorylation via ETB

    Eric Hersch;Jiean Huang;John R. Grider;Karnam S. Murthy

  • Distinctive G protein-dependent signaling in smooth muscle by sphingosine 1-phosphate receptors S1P1 and S1P2.

    Huiping Zhou;Karnam S. Murthy

Frequent Co-Authors

John R. Grider
John R. Grider Virginia Commonwealth University
Huiping Zhou
Huiping Zhou University of Tsukuba
Arun J. Sanyal
Arun J. Sanyal Virginia Commonwealth University
Hongxia Wang
Hongxia Wang Queensland University of Technology
Kamel Khalili
Kamel Khalili Temple University
Nigel W. Bunnett
Nigel W. Bunnett New York University
Johan Auwerx
Johan Auwerx École Polytechnique Fédérale de Lausanne
Hemal H. Patel
Hemal H. Patel University of California, San Diego
John E. Pintar
John E. Pintar Rutgers, The State University of New Jersey
Sarah Spiegel
Sarah Spiegel Virginia Commonwealth University

External Links

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Best Scientists Citing Karnam S. Murthy

Kenton M. Sanders

Kenton M. Sanders

University of Nevada Reno

Publications: 24

Jaladanki N. Rao

Jaladanki N. Rao

University of Maryland, Baltimore

Publications: 18

Jian-Ying Wang

Jian-Ying Wang

University of Maryland, Baltimore

Publications: 17

John R. Grider

John R. Grider

Virginia Commonwealth University

Publications: 16

Thomas M. Lincoln

Thomas M. Lincoln

Baystate Medical Center

Publications: 13

Reynold A. Panettieri

Reynold A. Panettieri

Rutgers, The State University of New Jersey

Publications: 13

Tongtong Zou

Tongtong Zou

University of Maryland, Baltimore

Publications: 12

Lan Liu

Lan Liu

University of Maryland, Baltimore

Publications: 12

Sarah Spiegel

Sarah Spiegel

Virginia Commonwealth University

Publications: 11

James T. Stull

James T. Stull

The University of Texas Southwestern Medical Center

Publications: 11

Franz Hofmann

Franz Hofmann

Technical University of Munich

Publications: 11

Edwin E. Daniel

Edwin E. Daniel

University of Alberta

Publications: 11

Geoffrey Burnstock

Geoffrey Burnstock

University College London

Publications: 10

James A. Waschek

James A. Waschek

University of California, Los Angeles

Publications: 10

Gianrico Farrugia

Gianrico Farrugia

Mayo Clinic

Publications: 10

Joel C. Bornstein

Joel C. Bornstein

University of Melbourne

Publications: 9

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