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Research library — page 137

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RPEP-15235 · 2026

MOTS-c Peptide Improves Muscle Energy Production Efficiency

MOTS-c treatment improved intrinsic muscle mitochondrial bioenergetic capacity and energy production efficiency, with potential therapeutic applications for aging and metabolic disease.

Gudiksen, Anders; Hansen, Camilla Collin; van der Stede, Thibaux; Daugaard, Amalie Hertz; Schmidt, Josefine H; Ringholm, Stine; Merimi, Manal; Al-Obaidi, Fatima Raad; Kristoffersen, Amanda Takamiya; Zole, Egija; Regenberg, Birgitte; Kjøbsted, Rasmus; Wojtaszewski, Jørgen; Hellsten, Ylva; Pilegaard, Henriette ·

RPEP-15236 · 2026

ApoE Protein Corona Enhances Peptide-Modified Nanoparticle Brain Delivery

Peptide-modified nanoparticles acquired ApoE-enriched protein coronas that enhanced BBB transcytosis through receptor-mediated transport, improving brain drug delivery.

Guerrero, Simón; Hassan, Natalia; Salas-Huenuleo, Edison; Moglia, Italo; Prades, Roger; Massa, Solange; Teixido, Meritxell; Guzman, Fanny; Giralt, Ernest; Albericio, Fernando; de Oliveira, Eliandre; Araya, Eyleen; Kogan, Marcelo J ·

RPEP-15239 · 2026

Peptide-Modified Self-Assembled Cancer Drug Nanoparticles Made by Microfluidics

Microfluidic fabrication produced uniform, carrier-free, peptide-modified crizotinib nanoparticles with improved tumor targeting and eliminated carrier material toxicity.

Guo, Qiuyan; Lai, Luogen; Huang, Liangxiao; Liu, Yijun; Zhang, Xuan; Yang, Silan; Li, Anqi; Li, Dangchi; Xu, Shan; Zheng, Pengwu; Lv, Qiaoli; Hu, Chong; Pan, Qingshan; Zhu, Wufu ·

RPEP-15240 · 2026

GLP-1 Drugs Beat Phentermine-Topiramate for Preventing Heart Attacks and Strokes in Obese Patients

GLP-1 RA vs phentermine-topiramate: aHR 0.61 (95% CI 0.41-0.91) for MACCE. GLP-1 RA vs bupropion-naltrexone: aHR 0.69 (95% CI 0.47-1.00, borderline). 35,240 and 27,051 patients in comparisons.

Guo, Wenxin; Wang, Maidou; Shin, Jiwon; Li, Fan; O'Brien, Emily C; Glover, LáShauntá; Bortfeld, Kristina; Zhao, Anqi; McDevitt, Ryan; Kalapura, Cheryl; Wu, Sarah; Shibeika, Sahar; Aymes, Shannon; Porter, Michael; Grory, Brian Mac; Lusk, Jay B ·

RPEP-15241 · 2026

Acid-Stable Peptide Hydrogel Delivers Insulin with pH-Triggered Intestinal Release

G(RADA)4 hydrogel: 25.9 mg/L production, 70.6% recovery, 14-day acid/pepsin stability. Drug release: sulfasalazine <5% (pH 2), 70% (pH 7.2); insulin <10% (pH 2), 75% (pH 7.2) through pH-mediated nanofiber disassembly.

Guo, Yang; Deng, Yang; Huang, Wei; Song, Liang; Jia, Pengxin; Gao, Cungang; Xu, Fei; Liu, Wenshuai; Nian, Rui ·

RPEP-15244 · 2026

Liraglutide Selectively Reduces Belly Fat While Preserving Lean Mass in Just 18 Days

Liraglutide over 18 days reduced total mass (p=0.04), android fat % (p=0.04), and trunk fat (p=0.04) with no lean/bone changes. C-peptide decreased (p=0.026), IGF-1 modestly increased (p=0.002). No MAFI axis changes.

Gutierrez de Piñeres, Valeria; Tamayo-Torres, Claudia S; Ramirez-Cisneros, Arantxa; Kavelidou, Marianthi; Stefanakis, Konstantinos; Mantzoros, Christos S ·

RPEP-15245 · 2026

Liraglutide 3.0 mg Reduces All Body Regions but Preserves Relative Lean Mass Over 35 Days

Liraglutide 3.0 mg reduced body weight, BMI, total mass, and regional mass (trunk, hip, extremities) over 35 days. Absolute fat-free and lean mass decreased slightly, but relative percentages remained stable.

Gutierrez de Piñeres, Valeria; Ramirez-Cisneros, Arantxa; Tamayo-Torres, Claudia S; Angelidi, Angeliki M; Kavelidou, Marianthi; Stefanakis, Konstantinos; Mantzoros, Christos S ·

RPEP-15246 · 2026

Cuban Antitumor Peptide CIGB-552 Shows In Vivo Efficacy with Optimized IV Formulation

CIGB-552 demonstrated significant antitumor activity in vivo, with IV administration providing optimal pharmacokinetics and superior efficacy over other routes, supported by acceptable safety profiling.

Gómez Hernández, Nivaldo Angel; Martínez Durán, Luis Miguel; Milian, Héctor Santana; Garay Pérez, Hilda Elisa; Etchegoyen Amoros, Ana Yanci; Arguellez, Brizaida Oliva; Velazco, Lizet Aldana; Velazco, Jorge Castro; Rico, Ania Cabrales; Lemos, Mariana Machado; Fernández Massó, Julio Raúl ·

RPEP-15247 · 2026

New Colombian Spider Toxin Blocks Sodium Channels with Pharmacological Potential

Vrdg183 from P. verdolaga inhibits mammalian voltage-gated sodium channels with pharmacological potential for pain and neurological applications.

Gómez-Restrepo, Alejandro; Rojas-Palomino, Jessica; Salinas-Restrepo, Cristian; Segura, César; Saurith-Coronell, Oscar A; Márquez-Brazón, Edgar A; Giraldo, Marco A; Calderón, Juan C ·

RPEP-15248 · 2026

Dermaseptin Peptide Derivatives Kill MDR Klebsiella and Staph at Low Concentrations

Four dermaseptin derivatives (K4K20S4, K4S4(1-16), B2, K3K4B2) showed MICs 6.25-25 μg/mL and MBCs 12.5-50 μg/mL against MDR K. pneumoniae and S. epidermidis, with concentration-dependent cytotoxicity.

Haddad, Houda; Al-Rashidi, Reyadh R; Loghmari, Ahmed; Sahtout, Wissal; Boukadida, Raja; Dahmene, Rihem; Ettouil, Emeny; Othman, Houcemeddine; Ouahchi, Ines; Zaϊri, Amira ·

RPEP-15249 · 2026

Engineered Angiotensin II Analog Strengthens Heart Without Raising Blood Pressure

Compound 12 showed low Gαq/potent β-arrestin activity at AT1R, enhanced left ventricular ejection fraction with limited pressor response in normotensive rats, and accessed a unique deep allosteric pocket in molecular modeling.

Hadjadj, Margot; Hassanzadeh, Malihe; Martel, Justin; Roy, Marie-Frédérique; Giguère, Hugo; Murza, Alexandre; Holleran, Brian J; Namkung, Yoon; Froehlich, Ulrike; Leduc, Richard; Auger-Messier, Mannix; Laporte, Stéphane A; Boudreault, Pierre-Luc ·

RPEP-15251 · 2026

Anti-CGRP Drug Rimegepant Reduces Gut Pain Sensitivity in IBS Pilot Trial

Rimegepant significantly reduced rectal gas, urgency, and pain sensations during 24/36 mmHg distension (all p<0.05) and decreased rectal compliance, despite not significantly reducing daily abdominal pain in 24 IBS patients.

Halawi, Houssam; Matar, Ayah; Wang, Iris; Jencks, Kara J; Busciglio, Irene; Eckert, Deborah; Harmsen, William S; Camilleri, Michael ·

RPEP-15253 · 2026

GLP-1 Drugs Emerge as Fourth Pillar of Kidney Protection in Type 2 Diabetes

GLP-1 RAs are now the fourth therapeutic pillar for CKD in T2D, with expert guidance on integrating them with RAAS inhibitors, SGLT2i, and finerenone based on individual patient factors.

Halimi, Jean-Michel; Fauchier, Laurent; Karras, Alexandre; Amouyal, Chloé; Eladari, Dominique; Rossignol, Patrick; Choukroun, Gabriel; Zaoui, Philippe; Girerd, Nicolas; Hadjadj, Samy ·

RPEP-15254 · 2026

Dual Air-Water and Silicone Oil Interfaces Drive Liraglutide Aggregation in Prefilled Syringes

Dual air-water + silicone oil-water interfacial stress, not either alone, drives liraglutide fibrillation in PFS. First-ever SRS visualization of peptide adsorption on silicone oil at sub-micrometer resolution. NMR showed aggregation without specific binding.

Hamada, Naomi; Cutts, Aaron; Song, Jing; Hu, Guangli; Fu, Dan; Wuelfing, W Peter; Su, Yongchao; Ling, Jing ·

RPEP-15258 · 2026

GIP + GLP-1 + GLP-2 Together Explain Bone Protection After Eating

Combined GIP+GLP-1+GLP-2 infusion during IIGI suppressed β-CTX-I (bone resorption) comparably to OGTT. Individual GIP, GLP-1 had partial effects. PINP (formation) decreased with OGTT/saline/GLP-2 but not with GIP/GLP-1/triple infusion.

Hansen, Josefine V; Mathiesen, David S; Christensen, Mikkel B; Jørgensen, Niklas R; Helsted, Mads M; Bagger, Jonatan I; Holst, Jens J; Vilsbøll, Tina; Knop, Filip K; Lund, Asger B ·

RPEP-15261 · 2026

Semaglutide Changes Japanese Patients' Food Preferences Away from Carbs and Fats

Semaglutide reduced preferences for sweet/non-sweet carbohydrates and non-sweet fats (especially rice, noodles, high-fat snacks) while protein and fiber preferences were unchanged. Non-GLP-1 group showed no preference changes.

Hara, Tomoyuki; Fujishima, Yuya; Kimura, Yu; Fujii, Kohei; Kawachi, Yusuke; Nagao, Hirofumi; Obata, Yoshinari; Fukuda, Shiro; Nagai, Naoko; Nishizawa, Hitoshi; Shimomura, Iichiro ·

RPEP-15262 · 2026

P-15 Peptide Bone Graft Outperforms Autograft for Spinal Fusion in Landmark RCT

P-15L was superior to autograft: fusion 84.3% vs 58.5%, composite clinical success 55.5% vs 37.5% (p=0.002 superiority), with similar device-related SAE rates at 24 months.

Harrop, James S; O'Toole, John E; Steinmetz, Michael P; Sasso, Rick C; Chaput, Christopher D; Strenge, K Brandon; Maislin, Greg; Mullin, Jeffrey P; Freeman, Thomas B; Guanciale, Anthony; Lantner, Howard; Janssen, Michael E; Schwartz, David G; Small, John M; Hsu, Wellington K; Arnold, Paul M ·

RPEP-15263 · 2026

P-15 Peptide Bone Graft Achieves Spine Fusion Nearly Twice as Fast as Autograft

P-15L superior time-to-fusion: HR 1.87 (95% CI 1.47-2.38, p<0.0001). Fusion rates: 6mo 57.6% vs 26.9%; 12mo 68.8% vs 41.5%; 24mo 81.1% vs 54.9%. ~59% had pseudoarthrosis risk factors. Both groups improved in VAS and SF-12.

Harrop, James S; Steinmetz, Michael P; O'Toole, John E; Chaput, Christopher D; Sasso, Rick C; Strenge, K Brandon; Maislin, Greg; Mullin, Jeffrey P; Freeman, Thomas B; Guanciale, Anthony; Lantner, Howard; Janssen, Michael E; Schwartz, David G; Small, John M; Hsu, Wellington K; Arnold, Paul M ·

RPEP-15264 · 2026

SGLT2i vs GLP-1RA: Kidney Risk Level Determines Which Drug Works Better

SGLT2i vs GLP-1 RA: kidney failure HR trending lower for SGLT2i (0.89); MACE higher with SGLT2i (HR 1.14). KFRE modified effects: GLP-1 RA better at moderate risk; SGLT2i better at high kidney failure risk.

Hartsell, Sydney E; Wei, Guo; Singh, Ravinder; Throolin, Michael; Nevers, McKenna R; Sarwal, Amara; Derington, Catherine G; Curtis, Christa; Boucher, Robert E; Shen, Jincheng; Drakos, Stavros; Greene, Tom; Beddhu, Srinivasan ·

RPEP-15266 · 2026

GLP-1 Drug Use Before Heart Bypass Surgery Reduces Post-Operative Atrial Fibrillation

GLP-1 use associated with lower post-operative AF (14% vs 22%, p=0.02) in CABG patients. No significant difference in all-cause mortality or MACCE. Similar overall length of stay.

Hasan, Irsa; Bessette, Lily G; Jacquemyn, Xander; Wang, Yisi; Subramaniam, Kathir; Hasan, Zain; Thoma, Floyd; Ogami, Takuya; Bonatti, Johannes; Kaczorowski, David; Chu, Danny; Serna-Gallegos, Derek; Sultan, Ibrahim ·

RPEP-15269 · 2026

Probiotic Enterococcus Transcriptome Mining Yields Potent AMP Against XDR Bacteria

EM_4: MIC 2.5-20 μM against susceptible and XDR S. aureus/A. baumannii; MBC 5-20 μM; antibiofilm 40-80 μM; 3.2% hemolysis; thermostable and salt-stable; membrane-disrupting mechanism.

Hasannejad-Asl, Behnam; Bagheri, Kamran Pooshang; Bandehpour, Mojgan; Bolhassani, Azam; Hashemi, Ali; Pooresmaeil, Farkhondeh; Kazemi, Bahram ·

RPEP-15272 · 2026

Lipidated IL-22 Combined with GLP-1 Drug Achieves 40% Weight Loss While Preserving Muscle

Lipidated IL-22: 20% weight loss monotherapy, 40% with GLP-1 RA; <50% lean mass loss vs GLP-1 RA/caloric restriction; doubled fecal energy loss; increased PYY; normalized glucose independently of food intake.

Hass, Daniela; Madsen, Andreas N; da Silva-Buttkus, Patricia; Kjølbye, Anne Louise; Støy, Sidsel; Nøhr-Meldgaard, Jacob; Sandahl, Thomas D; Hrabě de Angelis, Martin; Jorgensen, Rasmus; Rohm, Maria; van de Bunt, Martijn ·

RPEP-15274 · 2026

Danish Study: GLP-1 Drugs Reduce Stroke Risk 31% vs DPP-4 Inhibitors in Type 2 Diabetes

GLP-1 RA vs DPP-4i: stroke aHRR 0.69 (0.53-0.91). SGLT2i vs DPP-4i: stroke aHRR 0.80 (0.64-1.01, NS). Both GLP-1 RA and SGLT2i reduced mortality vs DPP-4i. No MI differences. GLP-1 vs SGLT2i: no significant differences.

Hastrup, Sidsel; Hedegaard, Jakob N; Andersen, Grethe; Osler, Merete; Rungby, Jørgen; Johnsen, Søren Paaske ·

RPEP-15280 · 2026

Semaglutide Linked to 2.3× Higher NAION (Optic Nerve) Risk vs SGLT2i in 102,000 Veterans

Semaglutide vs SGLT2i: NAION incidence 123 vs 67/100,000 PY; HR 2.33 (95% CI 1.54-3.54, p<0.001); absolute risk 0.29% vs 0.13%; overlap-weighted analysis of 102,361 veterans.

Heberer, Kent; Bress, Adam P; Cogill, Steven; Maldonado, Ana I; Kim, Sun H; Nallamshetty, Shriram; Chen, Ying Q; Shih, Mei-Chiung; Lynch, Julie A; Lee, Jennifer S ·

RPEP-15282 · 2026

Personalized Multipeptide Cancer Vaccine Activates T Cells in 95% of Leukemia Patients

T-cell response in 19/20 patients (95%) at end of treatment; persistence in 16/19 (84%) at 6 months with increasing intensity; both CD4+ and CD8+ activation; manageable injection-site AEs; no treatment-related SAEs.

Heitmann, Jonas S; Maringer, Yacine; Jung, Susanne; Wacker, Marcel; Hackenbruch, Christopher; Polster, Mark; Marconato, Maddalena; Nelde, Annika; Bauer, Jens; Zwick, Melissa; Baur, Anna-Sophia; Metzger, Ariane; Krolla, Christopher; Andrieux, Geoffroy; Köhler, Natalie; Boerries, Melanie; Denk, Monika; Zieschang, Lisa; Kammer, Christine; Hoenisch-Gravel, Naomi; Richter, Marion; Oezbek, Melek Tutku; Wirths, Stefan; Dengler, Anna; Dubbelaar, Marissa L; Pumptow, Marina; Martus, Peter; Brüggemann, Monika; Rammensee, Hans-Georg; Salih, Helmut R; Walz, Juliane S ·

RPEP-15283 · 2026

GLP-1 Drugs for ALS: Biologically Plausible but Potentially Harmful — Weight Loss May Worsen Prognosis

GLP-1 RAs have compelling neuroprotective rationale for ALS (anti-inflammatory, mitochondrial, anti-excitotoxic) but their weight loss and lean mass reduction effects may worsen ALS prognosis, where higher BMI/weight maintenance is protective.

Helal, Mohamed Mohsen; Almosilhy, Nereen A; Abo-Elnour, Dina Essam; Jaffal, Rana Suhail Younis; Allam, Eman Gomaa; Almosilhy, Mohammed A; Batarseh, Suhel F; Meshref, Mostafa ·