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medical research Articles | Developments Today

Long-read DNA test lifts rare disease diagnoses and could replace 15 other tests

Long-read DNA test boosts rare disease diagnoses

Long-read genome sequencing produced 3% more diagnoses in 1,000 patients.
Researchers say the test could replace 15 other standard diagnostics.
The study recommends using the method first for rare genetic disorders.

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DT Editorial Team·Jun 13, 2026·via medicalxpress.com

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Researchers identify new target to prevent aggressive form of prostate cancer

Researchers identify Sirt1 as target in aggressive prostate cancer

A Columbia-led study identified Sirt1 as a driver of neuroendocrine prostate cancer.
Blocking Sirt1 prevented NEPC tumor growth in mice.
The findings could inform future clinical work on treatment-resistant prostate cancer.

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DT Editorial Team·May 28, 2026·via medicalxpress.com

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Both heart chambers are more severely affected in atrial fibrillation than previously thought, study reveals

Atrial Fibrillation Appears to Reshape Both Upper Heart Chambers

Researchers found that persistent atrial fibrillation profoundly affects the right atrium as well as the left.
The findings challenge the conventional view that the disease is centered mainly in the left atrium.
A broader disease model could help explain why some treatments are less effective than expected.

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DT Editorial Team·May 21, 2026·via medicalxpress.com

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New Brain-Mapping Technique Reveals Immune Cells Clustered Around Alzheimer’s Damage

Researchers developed a method that visualizes more than 30 protein markers in human brain tissue at once.
The workflow revealed a previously unknown immune cell population in Alzheimer’s brains.
Those cells appeared almost exclusively near a specific pathological protein deposit.

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DT Editorial Team·May 20, 2026·via medicalxpress.com

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Popular weight loss and anti-inflammatory drugs may help prevent common heart rhythm disorder

Study maps how semaglutide and colchicine may help stop atrial fibrillation before it starts

Researchers studied how semaglutide and colchicine affect atrial remodeling after heart injury.
Semaglutide reduced fibrosis and helped preserve Connexin-43 placement between heart cells.
Colchicine blocked stress-signaling pathways including p38, JNK, and AKT.
Both drugs suppressed the NLRP3 inflammasome, a major inflammatory driver in heart disease progression.

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DT Editorial Team·May 14, 2026·via medicalxpress.com

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DT Editorial Team·May 13, 2026·via medicalxpress.com

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DT Editorial Team·May 9, 2026·via medicalxpress.com

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DT Editorial Team·May 8, 2026·via medicalxpress.com

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DT Editorial Team·May 5, 2026·via medicalxpress.com

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DT Editorial Team·May 4, 2026·via medicalxpress.com

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DT Editorial Team·May 1, 2026·via medicalxpress.com

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DT Editorial Team·Apr 30, 2026·via medicalxpress.com

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DT Editorial Team·Apr 30, 2026·via medicalxpress.com

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DT Editorial Team·Apr 29, 2026·via medicalxpress.com

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DT Editorial Team·Apr 28, 2026·via livescience.com

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DT Editorial Team·Apr 27, 2026·via medicalxpress.com

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DT Editorial Team·Apr 24, 2026·via newscientist.com

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DT Editorial Team·Apr 23, 2026·via science.org

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DT Editorial Team·Apr 23, 2026·via medicalxpress.com

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DT Editorial Team·Apr 22, 2026·via medicalxpress.com

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Study Suggests Osteoporosis May Be Linked to Higher Overall Mortality in Postmenopausal Women

A new study suggests osteoporosis may raise overall mortality risk in postmenopausal women.
The condition has long been associated with increased fracture risk.
The finding broadens the discussion around osteoporosis beyond bone fragility alone.

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Stroke MRI scans may reveal which patients face the hardest recovery

Researchers reviewed 291 post-stroke scans for signs of blood-brain barrier disruption.
Each 1% increase in disruption was linked to higher odds of poor outcomes after ischemic stroke.
The approach uses MRI information many hospitals already collect, which could ease clinical adoption.

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Brain Imaging Study Points to Distinct Migraine Subtypes

Medical Xpress reports that brain imaging is revealing migraine headache subtypes.
The supplied source text says migraine affects more than one in 10 Americans.
The available material does not include detailed methods or results, limiting stronger conclusions.
Even so, subtype research could matter for diagnosis, trials and personalized treatment.

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Researchers Point to a Brain-Based Index for Alzheimer’s Risk Patterns Decades Before Old Age

A report says a brain-based index may reveal Alzheimer’s risk patterns in adults as young as 30.
The supplied source text says researchers have long used health records, brain scans, and other data to seek biological markers.
The significance of the finding is its focus on much earlier stages of possible risk.
The available source material supports cautious interpretation rather than clinical conclusions.

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Clinical trials are key to improving medicines access in Africa (via weforum.org)

Why Africa’s Absence From Clinical Trials Matters Far Beyond Research Design

The candidate argues that Africa is missing from too much of the clinical trial system.
That underrepresentation is notable because the continent carries a large disease burden.
The gap challenges the idea that modern medical evidence is fully universal.
The issue has implications for both research quality and health equity.

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Why Some Aplastic Anemia Patients Recover May Come Down to Protective Stem Cell Clones

Aplastic anemia is a rare, life-threatening disorder caused by immune attack on blood stem cells.
New research suggests protective stem cell clones may help restore marrow in some patients.
The finding could help explain why patient outcomes differ and how recovery occurs.

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Routine bloodwork years before pregnancy may flag later preeclampsia risk

A Medical Xpress report links pre-pregnancy blood markers to later preeclampsia risk.
The reported markers include blood sugar, blood lipids, and inflammation.
The finding suggests pregnancy risk assessment may begin years before conception.

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Epilepsy Study Suggests ‘Brain Blips’ May Be Predictable Before They Strike

Researchers tracked more than 1,000 neurons in four epilepsy patients using Neuropixels probes.
The team found abnormal discharges appeared to build in a predictable pattern up to one second early.
The result could support future devices designed to interrupt disruptive activity before it occurs.

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Researchers Explore Brain ‘Energy Network Patterns’ to Track Alzheimer’s Across Disease Stages

Indiana University researchers say they can read brain “energy network patterns” linked to Alzheimer’s.
The work is positioned as a way to follow the disease across multiple stages.
A network-based view could help future diagnosis, staging, and treatment monitoring.

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A pregnant woman in an orange sweater gets her blood pressure monitored by someone wearing a white shirt and a stethoscope.

Pilot ‘Blood Filtering’ Therapy Opens a New Front in the Fight Against Preeclampsia

Pilot study reports a blood-filtering therapy for preeclampsia was safe for pregnant patients and fetuses.
Researchers saw early hints that the approach can lower a placental protein linked to the disease.
If validated, the method could become one of the first targeted treatments after diagnosis rather than relying only on delivery.

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Researchers test a new approach to severe stimulant-related agitation

A Marshall University preclinical study tested a dexmedetomidine-ketamine approach for methamphetamine-induced agitation.
The combination nearly completely controlled agitation in rats and showed less intense side effects than high-dose dexmedetomidine.
Researchers say dexmedetomidine is appealing because it does not impair breathing, even when opioids are present.
The work reflects growing clinical pressure from polysubstance overdose cases.

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Huge study reveals how Epstein-Barr virus may cause multiple sclerosis

Large Human Study Offers a Clearer Mechanism Linking Epstein-Barr Virus to Multiple Sclerosis

Researchers studied 617,186 people to probe how EBV may contribute to MS.
The virus appears to manipulate B-cells and activate genes tied to disease risk.
The findings strengthen the shift from correlation toward mechanism in EBV-MS research.

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HNF1B Study Points to Feed-Forward Loop in Kidney Disease Progression

Science lists a new paper on HNF1B and kidney disease progression.
The title identifies a feed-forward loop as the disease-driving mechanism.
The supplied source text does not include methods, results, or clinical claims.

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New Brain Tool Aims to Show How Different Cell Types Work Together

Brain probes record electrical activity from neurons.
Those signals can help researchers study how the brain performs computations.
The new tool is described as showing how different brain cell types work together.

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Researchers identify a metabolic weakness in breast cancer brain metastases

Drexel University researchers identified a metabolic vulnerability in breast cancer that has spread to the brain.
The finding points to a possible therapeutic target rather than an approved treatment.
The work could help focus future research on the biology of brain metastases.

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