NEWS.

Chemotherapy lowers thymosin alpha-1, an immune peptide already sold as thymalfasin, and a June 15 Cancer Research paper shows why that matters. The peptide acts as a bodyguard for a fragile RNA alarm (miR146a-5p) that dying-cell debris carries into dendritic cells, shielding it from an enzyme long enough to trip the TLR7 sensor that wakes tumor-killing CD8 T cells. Adding the peptide back synergized with chemotherapy to control tumors in mice, but only when the tumor made high miR146a-5p and TLR7 was intact, which points to both a mechanism and a possible biomarker.

NT-proBNP, the standard blood test for tracking heart failure, swings by about a third within the same stable person across a month. A new Clinical Chemistry meta-analysis grades that noise floor for the first time and shows it widens the longer the gap between blood draws.

Octreotide can shut the pancreas's hormone output down by more than 90 percent. In 15 healthy volunteers, an amino acid infusion pushed glucagon, insulin, and C-peptide back up anyway, offering a mechanism for the stubborn high glucagon seen in type 2 diabetes and fatty liver.

A 588-person registry measured plasma CGRP, the peptide at the center of modern migraine treatment, and found it lower in patients than in controls, not higher. The result challenges the case for a CGRP blood test without touching the drugs that block it.

In 5,630 adults with type 1 diabetes followed for a decade, those who still made a little of their own insulin had fewer acid crises, fewer severe lows, and less eye damage. The link held even at the same average blood sugar.

At ENDO 2026, Ascendis's once-daily palopegteriparatide posted 82 percent responders at five years while MBX's once-weekly canvuparatide hit 57 percent at one year. Two precision PTH peptides for a condition stuck on daily calcium pills for two decades.

The first documented case of Boerhaave's syndrome tied to a GLP-1 drug followed a restart at the maximum 2.4 mg dose with no titration, a flag for the common pause-and-resume pattern.

Using AlphaFold, researchers reconstructed two domains of the WNT7B protein into a small peptide that rebuilt bone in aged mice and pigs, through a pathway that sidesteps the cancer risk of full WNT signaling.

Chemists turned the gut hormone behind Ozempic into a delivery address. A stapled GLP-1 analogue, clipped to a BRD4 degrader, wiped out the target protein only in cells carrying the GLP-1 receptor. The hormone was the van, not the medicine.

In 115 patients with gut and pancreatic neuroendocrine tumors, a newer DOTATOC PET scan reclassified more than half of the patients ruled ineligible on the older octreotide scan as eligible for peptide receptor radionuclide therapy. The camera, not the disease, moved the gate.

A lentivirus carrying the GLP-1 gene regrew insulin-making beta cells in diabetic rats. The newborn pancreas rebuilt itself; the adult one only partly recovered, and digestive-enzyme cells stayed out of it entirely.

The UK's MHRA licensed oral semaglutide 25 mg on June 11, the first GLP-1 weight-loss pill approved by a regulator in Europe. Approval is not access: the tablet is private-only until NICE rules on NHS coverage.

The approved KRAS drugs were built for the G12C mutation. A computational screen turned up a peptide that binds G12V, the version that drives many colorectal tumors, and a knockdown test argues the effect runs through the target.

A meta-analysis of 59 real-world studies and 24,859 patients found the pill form of semaglutide lowered blood sugar and weight by about as much as the registration trials promised. The catch: the studies disagreed enormously, so the direction is solid but the exact size is soft.

AL-VI10, the first amphibian-derived peptide shown to act on blood-vessel aging, reversed senescence signs in old mice and human endothelial cells. Block one enzyme, SIRT1, and the benefit faded, which turns a vague antioxidant story into a specific, testable pathway.