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Mitigative effects of epigallocatechin gallate in terms of diminishing apoptosis and oxidative stress generated by the combination of lead and amyloid peptides in human neuronal cells.

Ayyalasomayajula N, Ajumeera R, Chellu CS, Challa S.

J Biochem Mol Toxicol. 2019 Sep 13:e22393. doi: 10.1002/jbt.22393. [Epub ahead of print]


Steal Phenomenon with Tonsillar Arteriovenous Malformation.

Amin M, Chaddha K, Aguìñiga-Navarrete P, Challa S, Garrett MB.

Clin Pract Cases Emerg Med. 2019 Jul 1;3(3):295-296. doi: 10.5811/cpcem.2019.5.42882. eCollection 2019 Aug.


Activation of PARP-1 by snoRNAs Controls Ribosome Biogenesis and Cell Growth via the RNA Helicase DDX21.

Kim DS, Camacho CV, Nagari A, Malladi VS, Challa S, Kraus WL.

Mol Cell. 2019 Jul 9. pii: S1097-2765(19)30476-9. doi: 10.1016/j.molcel.2019.06.020. [Epub ahead of print]


Mucormycosis due to Apophysomyces species complex- 25 years' experience at a tertiary care hospital in southern India.

Pamidimukkala U, Sudhaharan S, Kancharla A, Vemu L, Challa S, Karanam SD, Chavali P, Prakash H, Ghosh AK, Gupta S, Rudramurthy SM, Chakrabarti A.

Med Mycol. 2019 Jul 25. pii: myz081. doi: 10.1093/mmy/myz081. [Epub ahead of print]


Isoflavones rich cowpea and vitamin D induces the proliferation and differentiation of human osteoblasts via BMP-2/Smad pathway activation: Mechanistic approach.

Jadai R, Venna N, Ajumeera R, Challa S.

IUBMB Life. 2019 Jul 18. doi: 10.1002/iub.2127. [Epub ahead of print]


Abstracts of Presentations at the Association of Clinical Scientists 139th Meeting Hershey, PA, May 15-18, 2019.

Donaldson K, Buchanich JM, Grigson PS, Deneke E, Donaldson K, Vrana KE, Sacks DB, Kuehn GJ, Cardamone D, Pesce A, Smiley S, Nickley J, Krock K, Thomas R, Wilkerson ML, Farag HA, Challa SR, Tice AM, Wolk DM, Prichard J, Grant ML, Regmi S, Kerbacher B, Quinton LE, Farag HA, Tice AM, Wolk DM, Olson J, Haynes A, Yu E, McCully KS, Assi J, Wong M, Zarrin-Khameh N, Nifong TP, Hawker CD, Carlton GT, Rivera JM, Foulis PR, Zuraw A, Morlote D, Peker D, Reddy V, Harada S, Crutchfield C, Zander D, Barbhuiya MA, Pederson EC, Straub ML, Scott SC, Neibauer TL, Salter WF, Creer MH, Zhu Y, Bornhorst JA, Theobald JP, Algeciras-Schimnich A, Cao L, Knox J, Hardy R, Texas HJ, McGuire MF, Hunter RL, Brown RE, Hicks J, Hicks J, Cai Z, Brown RE, Ali Y, Cheng KC, Katz SR, Ding Y, Vanselow DJ, Yakovlev MA, Lin AY, Clark DP, Vargas P, Xin X, Copper JE, Canfield VA, Ang KC, Wang Y, Xiao X, De Carlo F, van Rossum DB, La Rivière PJ, Newell J, Hossler C, Roche M, Warrick J, Phaeton R, Kesterson J, Donaldson K, Myers C, Barrios R, Mintz P, Robyak K, Hamilton C, McGhee P, Pederson C, Straub M, Scott S, Neibauer T, Salter W, Creer M, Zhu Y, Hamilton C, Robyak K, McGhee P, Pederson C, Straub M, Scott S, Neibauer T, Salter W, Creer M, Zhu Y, Singh N, Morlote D, Vnencak-Jones C, Yemelyanova A, Harada S, Shah M, Moghadamtousi SZ, Lan C, Duose D, Hu P, Esquenazi Y, Luthra R, Ballester LY, Koenig AN, Liu CG, Zhang J, Kalia A, Al-Habib A, Van Arsdall M, Dhingra S, Patel K, Tatevian N.

Ann Clin Lab Sci. 2019 May;49(3):403-416. No abstract available.


Quercetin reduced the formation of N-acetyl-p-benzoquinoneimine, a toxic metabolite of paracetamol in rats and isolated rat hepatocytes.

Pingili R, Pawar AK, Challa SR.

Phytother Res. 2019 Jul;33(7):1770-1783. doi: 10.1002/ptr.6365. Epub 2019 Jun 2.


A comprehensive review on hepatoprotective and nephroprotective activities of chrysin against various drugs and toxic agents.

Pingili RB, Pawar AK, Challa SR, Kodali T, Koppula S, Toleti V.

Chem Biol Interact. 2019 Aug 1;308:51-60. doi: 10.1016/j.cbi.2019.05.010. Epub 2019 May 11. Review.


Tadalafil vs. tamsulosin in the treatment of lower urinary tract symptoms secondary to benign prostatic hyperplasia: a prospective, randomized study.

Pogula VR, Kadiyala LS, Gouru VR, Challa SR, Byram R, Bodduluri S.

Cent European J Urol. 2019;72(1):44-50. doi: 10.5173/ceju.2019.1570. Epub 2019 Mar 14.


Development of Squat-and-Smile Test as Proxy for Femoral Shaft Fracture-Healing in Patients in Dar es Salaam, Tanzania.

Wu HH, Liu M, Challa ST, Morshed S, Eliezer EN, Haonga BT, Zirkle L, Shearer DW.

J Bone Joint Surg Am. 2019 Feb 20;101(4):353-359. doi: 10.2106/JBJS.18.00387.


Effect of chrysin on the formation of N-acetyl-p-benzoquinoneimine, a toxic metabolite of paracetamol in rats and isolated rat hepatocytes.

Pingili RB, Pawar AK, Challa SR.

Chem Biol Interact. 2019 Apr 1;302:123-134. doi: 10.1016/j.cbi.2019.02.014. Epub 2019 Feb 19.


Juvenile idiopathic inflammatory myopathies: A clinicopathological study with emphasis on muscle histology.

Challa S, Hui M, Jakati S, Uppin MS, Rajasekhar L, Kannan MA, Lingappa L, Jagarlapudi MMK.

Indian J Pathol Microbiol. 2019 Jan-Mar;62(1):61-66. doi: 10.4103/IJPM.IJPM_387_17.


Bad girl and unmet family planning need among Sub-Saharan African adolescents: the role of sexual and reproductive health stigma.

Hall KS, Manu A, Morhe E, Dalton VK, Challa S, Loll D, Dozier JL, Zochowski MK, Boakye A, Harris LH.

Qual Res Med Healthc. 2018 May 30;2(1):55-64. doi: 10.4081/qrmh.2018.7062.


Mercury Ingestion.

Amin M, Huang A, Challa S, Aguìñiga-Navarrete P, Castro LC, Sarrafian D.

Clin Pract Cases Emerg Med. 2018 Sep 5;2(4):353-354. doi: 10.5811/cpcem.2018.7.39408. eCollection 2018 Nov. No abstract available.


Professional advancement, performance, and injury characteristics of baseball players entering the Major League Baseball draft after treatment for shoulder injuries.

Chauhan A, Tam JH, Porter AJ, Challa S, Early S, D'Angelo J, Keefe D, Hoenecke H, Fronek J.

J Shoulder Elbow Surg. 2019 Feb;28(2):220-226. doi: 10.1016/j.jse.2018.07.027. Epub 2018 Oct 2.


Orthopaedic Trauma in the Developing World: Where Are the Gaps in Research and What Can Be Done?

Challa S, Wu HH, Cunningham BP, Liu M, Patel K, Shearer DW, Morshed S, Miclau T.

J Orthop Trauma. 2018 Oct;32 Suppl 7:S43-S46. doi: 10.1097/BOT.0000000000001293. Review.


Can a 2-Day Course Teach Orthopaedic Surgeons Rotational Flap Procedures? An Evaluation of Data From the Nepal SMART Course Over 2 years.

Challa S, Conway D, Wu HH, Bisht R, Sherchan B, Lamichhane A, Shearer DW, Terry M, Gillenwater J.

J Orthop Trauma. 2018 Oct;32 Suppl 7:S38-S42. doi: 10.1097/BOT.0000000000001298.


Perceptions of Orthopaedic Volunteers and Their Local Hosts in Low- and Middle-Income Countries: Are We on the Same Page?

Wassef DW, Holler JT, Pinner A, Challa S, Xiong M, Zhao C, Sabharwal S.

J Orthop Trauma. 2018 Oct;32 Suppl 7:S29-S34. doi: 10.1097/BOT.0000000000001297.


Validation of the WHO 2016 new Gleason score of prostatic carcinoma.

Rao V, Garudadri G, Shilpa AS, Fonseca D, Sudha SM, Sharma R, Subramanyeshwar TR, Challa S.

Urol Ann. 2018 Jul-Sep;10(3):324-329. doi: 10.4103/UA.UA_185_17.


C4d as a marker of complement activation in dermatomyositis muscle tissue.

Challa S, Uppin MS, Kannan MA, Rajasekhar L.

Neurol India. 2018 Jul-Aug;66(4):1062-1066. doi: 10.4103/0028-3886.237014.


Idiopathic inflammatory myopathies in adults: A comparative study of Bohan and Peter and European Neuromuscular Center 2004 criteria.

Challa S, Jakati S, Uppin MS, Kannan MA, Liza R, Murthy Jagarlapudi MK.

Neurol India. 2018 May-Jun;66(3):767-771. doi: 10.4103/0028-3886.232296.


Metabolic regulation of transcription through compartmentalized NAD+ biosynthesis.

Ryu KW, Nandu T, Kim J, Challa S, DeBerardinis RJ, Kraus WL.

Science. 2018 May 11;360(6389). pii: eaan5780. doi: 10.1126/science.aan5780.


Dictionary-based monitoring of premature ventricular contractions: An ultra-low-cost point-of-care service.

Bollepalli SC, Challa SS, Anumandla L, Jana S.

Artif Intell Med. 2018 May;87:91-104. doi: 10.1016/j.artmed.2018.04.003. Epub 2018 Apr 26.


Ablation of insulin receptor substrates 1 and 2 suppresses Kras-driven lung tumorigenesis.

Xu H, Lee MS, Tsai PY, Adler AS, Curry NL, Challa S, Freinkman E, Hitchcock DS, Copps KD, White MF, Bronson RT, Marcotrigiano M, Wu Y, Clish CB, Kalaany NY.

Proc Natl Acad Sci U S A. 2018 Apr 17;115(16):4228-4233. doi: 10.1073/pnas.1718414115. Epub 2018 Apr 2.


Factors associated with sexual and reproductive health stigma among adolescent girls in Ghana.

Hall KS, Morhe E, Manu A, Harris LH, Ela E, Loll D, Kolenic G, Dozier JL, Challa S, Zochowski MK, Boakye A, Adanu R, Dalton VK.

PLoS One. 2018 Apr 2;13(4):e0195163. doi: 10.1371/journal.pone.0195163. eCollection 2018.


Feasibility of Parent Training via Telehealth for Children with Autism Spectrum Disorder and Disruptive Behavior: A Demonstration Pilot.

Bearss K, Burrell TL, Challa SA, Postorino V, Gillespie SE, Crooks C, Scahill L.

J Autism Dev Disord. 2018 Apr;48(4):1020-1030. doi: 10.1007/s10803-017-3363-2.


Meningiomas: Objective assessment of proliferative indices by immunohistochemistry and automated counting method.

Chavali P, Uppin MS, Uppin SG, Challa S.

Neurol India. 2017 Nov-Dec;65(6):1345-1349. doi: 10.4103/0028-3886.217934.


One-Bead-Two-Compound Thioether Bridged Macrocyclic γ-AApeptide Screening Library against EphA2.

Shi Y, Challa S, Sang P, She F, Li C, Gray GM, Nimmagadda A, Teng P, Odom T, Wang Y, van der Vaart A, Li Q, Cai J.

J Med Chem. 2017 Nov 22;60(22):9290-9298. doi: 10.1021/acs.jmedchem.7b01280. Epub 2017 Nov 14.


Diagnosis of Adrenocortical Tumors by Reticulin Algorithm.

Fonseca D, Murthy SS, Tagore KR, Rao BV, Thamminedi SR, Raju KVVN, Sharma R, Challa S.

Indian J Endocrinol Metab. 2017 Sep-Oct;21(5):734-737. doi: 10.4103/ijem.IJEM_573_16.


PYGOPUS2 expression in prostatic adenocarcinoma is a potential risk stratification marker for PSA progression following radical prostatectomy.

Kao KR, Popadiuk P, Thoms J, Aoki S, Anwar S, Fitzgerald E, Andrews P, Voisey K, Gai L, Challa S, He Z, Gonzales-Aguirre P, Simmonds A, Popadiuk C.

J Clin Pathol. 2018 May;71(5):402-411. doi: 10.1136/jclinpath-2017-204718. Epub 2017 Sep 18.


Muscle Microvascular Blood Flow, Oxygenation, pH, and Perfusion Pressure Decrease in Simulated Acute Compartment Syndrome.

Challa ST, Hargens AR, Uzosike A, Macias BR.

J Bone Joint Surg Am. 2017 Sep 6;99(17):1453-1459. doi: 10.2106/JBJS.16.01191.


A comparison of breastfeeding rates by obesity class.

Ramji N, Challa S, Murphy PA, Quinlan J, Crane JMG.

J Matern Fetal Neonatal Med. 2018 Nov;31(22):3021-3026. doi: 10.1080/14767058.2017.1362552. Epub 2017 Aug 11.


Primary leptomeningeal primitive neuroectodermal tumor: A difficult entity to diagnose.

Sehgal J, Jagarlapudi MMK, Tenneti MVRK, Basha SA, Challa S.

Indian J Pathol Microbiol. 2017 Apr-Jun;60(2):247-249. doi: 10.4103/0377-4929.208376.


Autonomous sweat extraction and analysis applied to cystic fibrosis and glucose monitoring using a fully integrated wearable platform.

Emaminejad S, Gao W, Wu E, Davies ZA, Yin Yin Nyein H, Challa S, Ryan SP, Fahad HM, Chen K, Shahpar Z, Talebi S, Milla C, Javey A, Davis RW.

Proc Natl Acad Sci U S A. 2017 May 2;114(18):4625-4630. doi: 10.1073/pnas.1701740114. Epub 2017 Apr 17.


C2 Primary leiomyoma in an immunocompetent woman: A case report and review of literature.

Patibandla MR, Nayak MT, Purohit AK, Uppin M, Challa S, Addagada GC, Nukavarapu M.

Asian J Neurosurg. 2017 Jan-Mar;12(1):134-138. doi: 10.4103/1793-5482.144164.


Clival giant cell tumor - A rare case report and review of literature with respect to current line of management.

Patibandla MR, Thotakura AK, Rao MN, Addagada GC, Nukavarapu MC, Panigrahi MK, Uppin S, Challa S, Dandamudi S.

Asian J Neurosurg. 2017 Jan-Mar;12(1):78-81. doi: 10.4103/1793-5482.145112.


Multiple levels of social influence on adolescent sexual and reproductive health decision-making and behaviors in Ghana.

Challa S, Manu A, Morhe E, Dalton VK, Loll D, Dozier J, Zochowski MK, Boakye A, Adanu R, Hall KS.

Women Health. 2018 Apr;58(4):434-450. doi: 10.1080/03630242.2017.1306607. Epub 2017 Apr 3.


Development and Validation of a Scale to Measure Adolescent Sexual and Reproductive Health Stigma: Results From Young Women in Ghana.

Hall KS, Manu A, Morhe E, Harris LH, Loll D, Ela E, Kolenic G, Dozier JL, Challa S, Zochowski MK, Boakye A, Adanu R, Dalton VK.

J Sex Res. 2018 Jan;55(1):60-72. doi: 10.1080/00224499.2017.1292493. Epub 2017 Mar 7.


Cystic lymphangioma of spleen in adults.

Duvvada S, Senapati D, Challa SR, Kalluri T.

BMJ Case Rep. 2017 Jan 25;2017. pii: bcr2016216267. doi: 10.1136/bcr-2016-216267.


Biochanin-A attenuates neuropathic pain in diabetic rats.

Chundi V, Challa SR, Garikapati DR, Juvva G, Jampani A, Pinnamaneni SH, Venigalla S.

J Ayurveda Integr Med. 2016 Oct - Dec;7(4):231-237. doi: 10.1016/j.jaim.2016.08.001. Epub 2016 Nov 25.



Richards EJ, Zhang G, Li ZP, Permuth-Wey J, Challa S, Li Y, Kong W, Dan S, Bui MM, Coppola D, Mao WM, Sellers TA, Cheng JQ.

J Biol Chem. 2016 Oct 21;291(43):22860. No abstract available.


Multi-targeting Andrographolide and its Natural Analogs as Potential Therapeutic Agents.

Kishore V, Yarla NS, Bishayee A, Putta S, Malla R, Neelapu NR, Challa S, Das S, Shiralgi Y, Hegde G, Dhananjaya BL.

Curr Top Med Chem. 2017;17(8):845-857. doi: 10.2174/1568026616666160927150452. Review.


Altered tryptophan metabolism in human meningioma.

Talari NK, Panigrahi M, Madigubba S, Challa S, Phanithi PB.

J Neurooncol. 2016 Oct;130(1):69-77. Epub 2016 Jul 29.


Emergency physicians as human billboards for injury prevention: a randomized controlled trial.

Sullivan E, Fuller D, Paterson QS, Huffman S, Challa S, Woods R.

CJEM. 2017 Jul;19(4):277-284. doi: 10.1017/cem.2016.366. Epub 2016 Sep 15.


Congenital muscular dystrophy with inflammation: Diagnostic considerations.

Konkay K, Kannan MA, Lingappa L, Uppin MS, Challa S.

Ann Indian Acad Neurol. 2016 Jul-Sep;19(3):356-9. doi: 10.4103/0972-2327.186814.


A study of medication-related problems in stroke patients: A need for pharmaceutical care.

Kanagala VS, Anusha A, Rao BS, Challa SR, Nalla KS, Gadde RS.

J Res Pharm Pract. 2016 Jul-Sep;5(3):222-5. doi: 10.4103/2279-042X.185750.


Surveillance of Anaemia: Mapping and Grading the High Risk Territories and Populations.

Challa S, Amirapu P.

J Clin Diagn Res. 2016 Jun;10(6):LC01-6. doi: 10.7860/JCDR/2016/18107.7915. Epub 2016 Jun 1.


Thermally stable single-atom platinum-on-ceria catalysts via atom trapping.

Jones J, Xiong H, DeLaRiva AT, Peterson EJ, Pham H, Challa SR, Qi G, Oh S, Wiebenga MH, Pereira Hernández XI, Wang Y, Datye AK.

Science. 2016 Jul 8;353(6295):150-4. doi: 10.1126/science.aaf8800.


A Wearable Electrochemical Platform for Noninvasive Simultaneous Monitoring of Ca(2+) and pH.

Nyein HY, Gao W, Shahpar Z, Emaminejad S, Challa S, Chen K, Fahad HM, Tai LC, Ota H, Davis RW, Javey A.

ACS Nano. 2016 Jul 26;10(7):7216-24. doi: 10.1021/acsnano.6b04005. Epub 2016 Jul 8.


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