DOCTORS COULDN’T EXPLAIN WHY HE KEPT FALLING — THEN YEARS OF RESEARCH REVEALED A RARE GENETIC DISORDER

When Oliver Broner was a baby, his parents noticed that something about his development was changing. He was slower to reach milestones, struggled to walk and eventually developed tremors and persistent pain. Yet for years, doctors struggled to explain what was happening.

Now 15, Oliver has finally received an explanation for his unusual symptoms. His story highlights the persistence of a family searching for answers and the scientific work that can turn a seemingly unexplained medical problem into a recognized genetic condition.

The First Signs Appeared in Infancy

Oliver’s medical journey began when he was just three months old. After developing a high fever, he appeared to make less progress with certain developmental milestones. He had previously been rolling over but then stopped for a period of time.

As he grew older, he was slow to sit up and did not begin crawling until he was 14 months old. He eventually learned to walk at 22 months, but his movements looked unusual. He often lost his balance, stumbled and struggled to stand steadily.

His parents, Liz and Achai Broner, repeatedly raised their concerns with doctors. They were initially reassured that children develop at different speeds, but their observations continued to suggest that something more serious might be happening.

Years of Tests Brought Few Answers

As Oliver’s symptoms progressed, his family sought help from different specialists. Doctors investigated several possible explanations, including neurological and muscular conditions. An MRI did not reveal brain damage, while early genetic testing failed to identify a clear cause.

At one point, Oliver was diagnosed with cerebral palsy. However, later evaluations raised doubts about whether that diagnosis fully explained his symptoms.

His difficulties continued into childhood. He experienced frequent foot pain, began using ankle braces and later needed crutches for additional support. Some days, the pain was so severe that he had to leave school early.

For his parents, the uncertainty was exhausting. They continued seeking answers because they believed their son’s symptoms deserved a more complete explanation.

A Genetic Clue That Initially Seemed Unimportant

Whole-exome sequencing, a test that examines the protein-coding parts of a person’s DNA, eventually identified a variation in a gene called DNM1L. At first, researchers classified the finding as a variant of uncertain significance, meaning they could not determine whether it was responsible for Oliver’s condition.

The result was particularly difficult to interpret because other patients with changes in the same gene had experienced different, sometimes more severe, symptoms.

Oliver’s family continued working with medical specialists and researchers. Their case became part of a broader effort to understand how particular genetic variations can affect movement and development differently from one person to another.

Research Helped Confirm the Diagnosis

Medical geneticist Michael Wangler and his colleagues studied Oliver’s genetic variation alongside information from other families whose children had similar symptoms. Researchers also used fruit-fly experiments to investigate how the variant affected the gene’s function.

The findings provided important evidence linking Oliver’s genetic change to his movement disorder. Over time, the variant was reclassified as likely pathogenic, meaning the evidence supported it as the cause of his condition.

The diagnosis finally gave the family a clearer explanation after years of uncertainty. It also contributed to a growing understanding of DNM1L-related disorders, which can vary considerably in their effects.

Treatment Helped Him Regain Some Abilities

One treatment made a meaningful difference in Oliver’s daily life. A specialist recommended Sinemet, a medication commonly used to treat Parkinson’s disease that can also help certain movement disorders.

After his dose was adjusted, his family noticed improvements. He was able to move more confidently, climb stairs with less support and walk around the block without crutches.

The medication did not stop the underlying condition from progressing, and Oliver still experiences pain and mobility challenges. Nevertheless, the improvement gave him and his family moments of relief and a better quality of life.

A Teenager Focused on Living His Life

Today, Oliver is a high school student who enjoys video games, mystery stories, scary movies and archery. He uses an electric wheelchair to travel to and from school, although he can walk inside the classroom with assistance.

His condition still affects his everyday activities, and some days are more difficult than others. But Oliver continues to focus on school, friendships and the interests that matter to him.

His parents have also established a foundation to raise awareness of DNM1L-related disorders and connect families looking for answers. Their work reflects a hope that other families may face less uncertainty as researchers learn more about the condition.

Oliver’s journey shows how medical answers can sometimes take years to emerge. It also demonstrates why listening to families, investigating unusual symptoms and continuing research into rare genetic conditions can make a meaningful difference.

Source: The Washington Post, October 3, 2026.