rethinkPeptides Search
Menu
RethinkPeptides

Research library — page 118

Browse more peptide research, methods and limitations.

Filter by topic, method, and evidence

You can select more than one topic or evidence level.

Clear filters

RPEP-13624 · 2025

Machine learning predicts PRRT eligibility for neuroendocrine tumors using clinical and lab parameters alone

Models predicted SSTR expression with 70-83% accuracy using clinical parameters. Key predictors: tumor origin, oncological treatments, CK7. Associations: age, grade, disease extent, CEA, CA19-9, AFP. 65 patients, 392 lesions evaluated.

Sipka, Gábor; Farkas, István; Bakos, Annamária; Maráz, Anikó; Mikó, Zsófia Sára; Czékus, Tamás; Bukva, Mátyás; Urbán, Szabolcs; Pávics, László; Besenyi, Zsuzsanna ·

RPEP-13628 · 2025

Semaglutide achieves 13.9% weight loss in schizophrenia patients on clozapine without worsening psychosis

Semaglutide: -13.88% weight vs placebo -0.42% (difference -13.46%, p<0.0001). No change in clozapine/norclozapine levels. No change in PANSS psychosis scores. No treatment-related SAEs. Low constipation rates. 31 patients (15 sema, 16 placebo).

Siskind, Dan; Baker, Andrea; Arnautovska, Urska; Warren, Nicola; Russell, Anthony; DeMonte, Veronica; Halstead, Sean; Iyer, Ravi; Korman, Nicole; McKeon, Gemma; Medland, Sarah; Parker, Stephen; Stedman, Terry; Trott, Mike ·

RPEP-13629 · 2025

Semaglutide outperforms other GLP-1 drugs for cardiovascular protection in moderate-risk diabetes patients

vs Dulaglutide: Semaglutide MACE HR 0.85, mortality HR 0.81, stroke HR 0.82, revascularization HR 0.93. Liraglutide MACE HR 0.84, mortality HR 0.79. Exenatide: no significant differences. 81,854 patients at moderate CV risk.

Sklepinski, Stacey M; Deng, Yihong; Swarna, Kavya Sindu; Herrin, Jeph; Polley, Eric C; Neumiller, Joshua J; Galindo, Rodolfo J; Umpierrez, Guillermo E; Ross, Joseph S; Borah, Bijan J; Maron, Bradley A; Mickelson, Mindy M; McCoy, Rozalina G ·

RPEP-13631 · 2025

Real-world SCORE study: semaglutide 2.4 mg cuts cardiovascular events by 45-57% in non-diabetic obese patients

rMACE-3 HR 0.43 (p<0.001); rMACE-5 HR 0.55 (p<0.001); MACE-3 HR 0.58 (p<0.01); MACE-5 HR 0.65 (p<0.001). Reduced all-cause mortality, CV mortality, HF hospitalization, incident T2DM, and kidney events. 9,321 vs 18,642 matched.

Smolderen, Kim G; Mena-Hurtado, Carlos; Zhao, Zhenxiang; Michalak, Wojciech; Faurby, Mads; Smolarz, B Gabriel; Kosiborod, Mikhail N; Song, Jinlin; Chen, Yan; Boland, Joanna; Nanna, Michael G ·

RPEP-13633 · 2025

Liraglutide reduces liver fat but not liver stiffness in 197 MASLD patients over 6 months

CAP (liver fat): -26.0 dB/m at 2 months (p significant). Liver stiffness: no significant change. BMI: 30.9→28.9 (p<0.001). HOMA-IR improved. MASLD criteria prevalence declined. 197 patients, 6-month follow-up.

So, Jae Eun; Jeong, Jaehong; Hong, Jung Pyo; Kim, Dong Yun; Lee, Jae Seung; Kim, Mi Na; Kim, Beom Kyung; Park, Jun Yong; Kim, Do Young; Lee, Hye Won; Kim, Seung Up ·

RPEP-13634 · 2025

GLP-1 drugs improve heart muscle salvage and infarct size after ST-elevation heart attacks

Exenatide: improved infarct size, salvage, cardiac function (mixed results in 2 larger trials). Liraglutide: improved salvage, infarct size, LVEF, stroke volume, reduced no-reflow. Both safe. No significant MACE reduction.

Soares, Leticia Alves; Paniagua, Cynthia; Nguyen, Julie; Kojic, Ajla; Sanfrey, Elena Rose; Reyome, Madison Emilee; Aguayo, Liliana; Sattler, Elisabeth Lilian Pia ·

RPEP-13635 · 2025

Meta-analysis confirms semaglutide improves exercise capacity, blood pressure, and inflammation in HFpEF

6MWD: +16.2m (p<0.001, I²=0%); SBP: -2.22 mmHg (p<0.01, I²=0%); CRP: ratio 0.59 (p<0.001, I²=51%); NT-proBNP: ratio 0.81 (p<0.001, I²=0%). 3 studies, 1,463 patients, 52 weeks.

Sobral, Milene Vitória Sampaio; Rodrigues, Livia Kneipp; Barbosa, Abner Mácola Pacheco; da Rocha, Naila Camila; Moulaz, Isac Ribeiro; Dos Santos, João Pedro Pereira; Oliveira, Bruno Henrique Couto; Moreira, João Lucas de Magalhães Leal; Pacagnelli, Francis Lopes; Guida, Camila Mota ·

RPEP-13640 · 2025

New PNOC/NPY neuron population identified as a critical mediator of leptin's appetite-suppressing effects

PNOC/NPY neurons (non-AgRP) identified in ARC. Lepr deletion in PNOC neurons → hyperphagia + obesity via NPY upregulation. Lepr restoration in PNOC neurons → substantial weight reduction. PNOC/NPY activation promotes feeding = all PNOCARC activation. NPY overexpression in PNOC → hyperphagia + obesity.

Solheim, Marie H; Stroganov, Sima; Chen, Weiyi; Subagia, P Sicilia; Bauder, Corinna A; Wnuk-Lipinski, Daria; Del Río-Martín, Almudena; Sotelo-Hitschfeld, Tamara; Beddows, Cait A; Klemm, Paul; Dodd, Garron T; Lundh, Sofia; Secher, Anna; Wunderlich, F Thomas; Steuernagel, Lukas; Brüning, Jens C ·

RPEP-13641 · 2025

Thymosin alpha-1 has minimal effect on tumor cells but strongly activates CD8+ T cells for anti-cancer immunity

Cancer cells: minimal DEGs and immune-related changes after Tα1. Immune cells: significant transcriptional changes in all subsets. Greatest impact: activated CD8+ T cells. Tα1 directly affects immune cell proliferation and transcription.

Solmonese, Laura; Lofiego, Maria Fortunata; Fazio, Carolina; Marzani, Francesco; Piazzini, Francesca; Bello, Emma; Celesti, Fabrizio; Giacobini, Gianluca; Wang, Xiaohui; Maio, Michele; Coral, Sandra; Di Giacomo, Anna Maria; Covre, Alessia ·

RPEP-13642 · 2025

Glycinated nanoparticles deliver anti-fibrotic peptide relaxin to immune cells for chronic disease treatment

Glycinated NPs: improved biocompatibility, RLX conjugation maintained. Preferential uptake by monocytes and T cells. Targeted delivery of anti-fibrotic peptide to relevant immune cells.

Somanader-Livera, Deidree V N; Wei, Chen; Wang, Chao; Li, Yifang; Ferens, Dorota; Salimova, Ekaterina; Selomulya, Cordelia; Hossain, Mohammed Akhter; Samuel, Chrishan S; Chakraborty, Amlan ·

RPEP-13648 · 2025

Peptide cancer vaccine with STING agonist polymers achieves tumor remission in combination with checkpoint immunotherapy

Both VIPER-STING drugamers enhanced DC maturation and CD8+ T cell responses. polySTING: more tumor-infiltrating CD8+ T cells. NPSTING: more LN antigen-presenting DCs. Both: efficacy in B16-OVA melanoma and MC38 colon cancer. Combination with anti-PD-1: tumor remission + immunity in subset.

Song, Kefan; Nguyen, Dinh Chuong; Wang, Yonghui; Jokonya, Simbarashe; Yazdani, Omeed; Sellers, Drew L; Stayton, Patrick S; Pun, Suzie H ·

RPEP-13658 · 2025

Cyclic peptide nanocarriers overcome drug resistance and improve targeted colon cancer treatment

Cyclic peptides: structural stability, enhanced bioavailability, target specificity. Nanocarrier types: liposomes, niosomes, nanosponges, nanopolymers. Benefits: targeted delivery, controlled release, drug resistance overcome. Sources: plant, marine, microbial.

Souresh, Vedhapriya; Srikayalsamyukktha, M; Harini, M; Saravanan, Yudhesh; Saravanakumar, Rupachandra ·

RPEP-13662 · 2025

Dipyrone overuse causes sex-dependent trigeminal sensitization in female rats, a CGRP-mediated headache model

Acute dipyrone reduced CGRP-induced allodynia in both sexes. Chronic dipyrone (30 days): latent sensitization in females only (revealed by bright light). No effect on paw threshold, locomotion, or plasma CGRP. Sex-dependent vulnerability.

Spagnol, Fernanddo José; Zortea, Julia Maria; Gomes, Larissa Cieslinsky; da Luz, Fernanda Mariano Ribeiro; Baggio, Darciane Favero; Lejeune, Vanessa Bordenowsky Pereira; Ferreira, Luiz Eduardo Nunes; Kopruszinski, Caroline Machado; Chichorro, Juliana Geremias ·

RPEP-13664 · 2025

GLP-1 drugs enable safe weight loss before hernia repair with better surgical outcomes

GLP-1RAs achieved clinically significant preoperative weight loss in obese hernia patients. Enabled surgical candidacy for previously ineligible patients. Potential to reduce obesity-related surgical complications.

Spurzem, Graham J; Broderick, Ryan C; Ruiz-Cota, Patricia; Rocha, Amanda; Reyes, Edgardo; Fontaine-Nicola, Andres; Altolaguirre, Agustina; Hollandsworth, Hannah M; Sandler, Bryan J; Grunvald, Eduardo; Jacobsen, Garth R ·

RPEP-13667 · 2025

Kisspeptin-10 reverses obesity-diabetes effects by remodeling the gut-pancreatic axis in female mice

Kisspeptin-10: normalized body weight, glucose, energy intake. Increased GIP+ and GLP-1+ gut cells. Restored villi length, crypt depth. Restored insulin area and glucagon radius. Increased beta-cell proliferation. Enhanced FSH and LH. 21-day treatment, 25 nmol/kg IP.

Sridhar, Ananyaa; Khan, Dawood; Muthukumar, Rithiga; Sampathkumar, Swetha; Irwin, Nigel; Flatt, Peter R; Moffett, R Charlotte ·

RPEP-13668 · 2025

GLP-1 and SGLT2 drugs both improve PCOS, with SGLT2 better for hormones and combination therapy showing most promise

GLP-1RAs: improved menstrual frequency, weight, FAI, free testosterone, androstenedione, SHBG, triglycerides, insulin resistance, glucose. SGLT2is: improved FAI, total testosterone, WHR, AGF, HOMA-IR (outperformed GLP-1 for FAI, testosterone, LDL, HOMA-IR). Combination > monotherapy for weight, fat, triglycerides, glucose. 27 RCTs, 1,642 patients.

Sridharan, Kannan; Sivaramakrishnan, Gowri ·

RPEP-13671 · 2025

Dual glucagon/GLP-1 agonists address the full cardiometabolic disease spectrum from obesity to heart failure

Dual Gcg/GLP-1 agonists: GLP-1 reduces appetite + glucagon increases energy expenditure. Benefits across obesity, T2DM, MASLD/MASH, CVD. Survodutide: significant weight loss + liver fat reduction. Mazdutide: weight + glycemic benefits. Glucagon component adds thermogenesis and hepatic fat clearance.

Stachteas, Panagiotis; Nasoufidou, Athina; Karakasis, Paschalis; Koiliari, Markella; Karagiannidis, Efstratios; Koufakis, Theocharis; Fragakis, Nikolaos; Patoulias, Dimitrios ·

RPEP-13672 · 2025

Snake venom-derived peptide MQ232 shows promise as kidney-targeted treatment for hyponatremia and polycystic kidney disease

MQ232: low acute/chronic toxicity. Strong kidney biodistribution. Pure aquaretic effect (water only, no electrolytes). Improved kidney histology in PKD mouse model. Derived from snake toxin with disulfide-bond reticulation.

Stanajic-Petrovic, Goran; Keck, Mathilde; Barbe, Peggy; Urman, Apolline; Correia, Evelyne; Isnard, Pierre; Duong Van Huyen, Jean-Paul; Chmeis, Khawla; Diarra, Sékou Siramakan; Palea, Stefano; Theodoro, Frederic; Nguyen, Anvi-Laëtitia; Castelli, Florence; Pruvost, Alain; Zhao, Wenchao; Mendre, Christiane; Mouillac, Bernard; Bienaimé, Frank; Robin, Philippe; Kessler, Pascal; Llorens-Cortes, Catherine; Servent, Denis; Nozach, Hervé; Maillère, Bernard; Guo, Dong; Truillet, Charles; Gilles, Nicolas ·